.brand-logo{width:200px;height:auto;color:var(--accent);flex-shrink:0;display:block}.brand-logo--inverse{color:var(--paper)}.brand:has(>.brand-logo){min-height:44px}@media (width>=801px){.site-header:has(.brand-logo) .header-actions .header-invite{font-size:15px}}@media (width<=599px){.brand-logo{width:180px}}@media (width<=480px){.site-header:has(.brand-logo) .header-study-link{white-space:normal;max-width:70px;line-height:1.2}.site-header:has(.header-invite) .header-inner{gap:8px}.site-header .header-actions:has(.header-invite){gap:4px}}@media (width<=389px){.site-header:has(.header-invite) .brand-logo{width:160px}}@media (width<=359px){.site-header:has(.header-invite) .brand-logo{width:132px}}@media (width<=360px){.brand-logo{width:160px}.site-header:has(.brand-logo) .header-study-link{max-width:65px}}.education-demo-controls{color:var(--muted);font-size:var(--text-meta);flex-wrap:wrap;align-items:center;gap:8px 18px;margin:0 0 28px;display:flex}.education-demo-controls button{min-height:44px;color:var(--accent);font:inherit;font-size:var(--text-meta);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:7px;padding:8px 0;font-weight:600;text-decoration:underline;display:inline-flex}.education-demo-controls button:hover{color:var(--accent-strong)}.education-demo-controls button:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:var(--radius-control)}.education-demo-controls.is-active{border-radius:var(--radius-panel);background:var(--accent-tint);border:1px solid #0000;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:12px;padding:17px 20px;display:grid}.education-demo-controls.is-active>svg{margin-top:3px}.education-demo-controls strong{color:var(--ink);font-size:var(--text-meta);font-weight:600}.education-demo-controls p{max-width:60ch;font-size:var(--text-meta);color:var(--muted);margin:5px 0 0;line-height:1.6}.education-demo-controls.is-active button{white-space:nowrap;align-self:center;padding:0}@media (width<=1000px){.education-demo-controls.is-active{grid-template-columns:auto minmax(0,1fr)}.education-demo-controls.is-active button{grid-column:2;justify-self:start}}@media (width<=400px){.education-demo-controls.is-active{gap:9px;padding:15px}}.account-gate{max-width:680px;min-height:65vh;padding-block:48px 80px}.account-gate .breadcrumb-back{margin-bottom:36px}.account-gate-label{color:var(--purple);margin:0 0 16px;font-size:15px}.account-gate h1{letter-spacing:-.8px;margin:0 0 20px;font-size:clamp(32px,5vw,46px);line-height:1.2}.account-gate-description{max-width:46ch;margin-bottom:28px;font-size:19px;line-height:1.75}.account-gate ul{margin:0 0 30px;padding:0;list-style:none}.account-gate li{align-items:baseline;gap:12px;margin:14px 0;font-size:17px;line-height:1.65;display:flex}.account-gate li svg{color:var(--purple);flex-shrink:0}.account-gate .button{min-height:54px;font-size:17px}.account-gate-note{margin:10px 0 20px;font-size:14px}.account-gate-preview{text-underline-offset:4px;align-items:center;gap:12px;min-height:44px;font-size:16px;text-decoration:underline;display:inline-flex}@media (width<=600px){.account-gate{padding-block:28px 50px}.account-gate .button{width:100%}.account-gate-note{text-align:center}.account-gate-description{font-size:18px}.account-gate li{font-size:16px}}.education-route{margin-top:24px}.education-route .education-course-map{grid-template-columns:minmax(0,1fr);gap:32px;margin:0;display:grid}.education-phase-heading{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:2px 16px;margin:0 0 8px;display:flex}.education-phase-heading h3{font-size:var(--text-ui);letter-spacing:0;color:var(--muted);margin:0;font-weight:600;line-height:1.4}.education-journey-phase.is-current .education-phase-heading h3{color:var(--ink)}.education-phase-heading h3:focus,.education-phase-heading h3:focus-visible{outline:none}.education-phase-heading p{font-size:var(--text-meta);color:var(--muted);font-variant-numeric:tabular-nums;margin:0;line-height:1.5}.education-phase-chapters{margin:0 -12px;padding:0;list-style:none}.education-phase-chapters>li+li{border-top:1px solid var(--line)}.education-course-map .row-link--inset.is-current{background:0 0}.education-course-map a.row-link--inset.is-current:hover{background:var(--surface)}.education-journey-finish{border-top:1px solid var(--line);padding-top:24px}.education-journey-finish p{max-width:62ch;font-size:var(--text-meta);color:var(--muted);margin:0;line-height:1.6}@media (width<=639px){.education-route .education-course-map{gap:28px}.education-phase-chapters{margin-inline:-8px}}.trial-heading-title{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.trial-heading-title h1{margin:0}.trial-account-status{border:1px solid var(--line);font-size:var(--text-meta);color:var(--accent);border-radius:999px;align-items:center;padding:4px 12px;font-weight:600;line-height:1.3;display:inline-flex}.trial-access-line{max-width:640px;font-size:var(--text-ui);color:var(--muted);margin:16px 0 0;line-height:1.6}.trial-map-note{max-width:62ch;font-size:var(--text-ui);color:var(--muted);margin:0 0 16px;line-height:1.6}.trial-results-link{margin-top:16px}.trial-loading-layout{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px;display:grid}.trial-loading-layout div{border-radius:var(--radius-panel);background:var(--accent-tint);grid-column:1/-1;height:280px}.trial-loading-layout span{border-radius:var(--radius-panel);background:var(--accent-tint);height:64px}.trial-entry-label{margin:0 0 4px}.trial-entry-body{gap:24px;display:grid}.trial-entry-copy{flex-direction:column;align-items:flex-start;gap:12px;max-width:560px;display:flex}.trial-entry-copy p{margin:0}.trial-lead{font-size:var(--text-ui);color:var(--ink);line-height:1.6}.trial-entry-copy .btn-primary{margin-top:4px}.trial-entry-body>.guest-lesson{border-top:1px solid var(--line);max-width:560px;padding-top:24px}.trial-payment-status{flex-direction:column;align-items:flex-start;gap:12px;max-width:560px;display:flex}.trial-payment-status p{font-size:var(--text-ui);color:var(--muted);margin:0;line-height:1.6}.trial-payment-status>.meta{margin-top:-4px}.trial-payment-status .trial-offer-locked{color:var(--ink);font-weight:600}.trial-prices{max-width:560px;font-size:var(--text-ui);color:var(--muted);font-variant-numeric:tabular-nums;margin:32px 0 0;line-height:1.6}.trial-prices strong{color:var(--ink);white-space:nowrap;font-weight:600}.trial-offer-benefits{gap:12px;max-width:560px;margin:24px 0 0;padding:0;list-style:none;display:grid}.trial-offer-benefits li{font-size:var(--text-ui);gap:10px;line-height:1.5;display:flex}.trial-offer-benefits svg{color:var(--accent);flex:none;margin-top:1px}.trial-offer-locked--plans{max-width:560px;font-size:var(--text-ui);margin:0 0 16px;font-weight:600;line-height:1.6}.trial-plan-choice{max-width:640px}.trial-selected-plan{max-width:58ch;font-size:var(--text-ui);margin:0 0 16px;line-height:1.6}.trial-plan-registration{margin:0 0 16px}.trial-learning-next{border-bottom:1px solid var(--line);max-width:640px;margin:0 0 24px;padding:0 0 24px}.trial-learning-next .label{margin:0 0 4px}.trial-learning-next h2{font-size:var(--text-title);margin:0 0 8px;line-height:1.3}.trial-learning-next>p:last-child{max-width:60ch;font-size:var(--text-ui);color:var(--muted);margin:0;line-height:1.6}.trial-plans{gap:16px;margin:0;padding:0;list-style:none;display:grid}.trial-plan{border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--card);flex-direction:column;align-items:flex-start;gap:8px;padding:20px;display:flex}.trial-plan.is-best{border-color:var(--accent)}.trial-plan h2{font-size:var(--text-ui);flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-weight:600;line-height:1.4;display:flex}.trial-plan-tag{background:var(--accent-tint);font-size:var(--text-meta);color:var(--accent);border-radius:999px;padding:2px 10px;font-weight:600;display:inline-flex}.trial-plan-price{font-size:var(--text-ui);color:var(--muted);font-variant-numeric:tabular-nums;margin:0}.trial-plan-price strong{font-size:var(--text-display);color:var(--ink);font-weight:600;line-height:1.2}.trial-plan .meta{flex:1;margin:0 0 8px}.trial-plan :is(.btn-primary,.btn-secondary){width:100%}.trial-offer-error{border:1px solid var(--warn-line);border-radius:var(--radius-control);background:var(--warn-bg);max-width:560px;color:var(--warn-ink);font-size:var(--text-ui);margin:16px 0 0;padding:12px 14px;line-height:1.5}.trial-plan-terms{max-width:560px;margin:16px 0 0}.trial-free-link{margin-top:8px}.trial-payment-return>p{max-width:560px;font-size:var(--text-ui);margin:0 0 12px;line-height:1.6}.trial-payment-return>p.meta{font-size:var(--text-meta)}.trial-payment-return>.btn-primary{margin:4px 0 16px}.trial-school-access{border-top:1px solid var(--line);max-width:560px;margin-top:40px;padding-top:24px}.trial-school-access h2{font-size:var(--text-title);letter-spacing:-.01em;margin:0 0 8px;font-weight:600;line-height:1.25}.trial-school-access p{font-size:var(--text-ui);color:var(--muted);margin:0;line-height:1.6}.trial-school-actions{flex-wrap:wrap;gap:0 24px;margin-top:8px;display:flex}@container education-journey (width>=480px){.trial-entry-body>.guest-lesson.has-film>.guest-lesson-holds{margin-top:-12px}}@container education-journey (width>=480px) and (width<=719.98px){.trial-entry-body>.guest-lesson.has-film{grid-template-areas:"poster copy""poster holds""action action"}.trial-entry-body>.guest-lesson.has-film>.guest-lesson-copy{align-self:end}.trial-entry-body>.guest-lesson.has-film>.guest-lesson-holds{align-self:start}}@container education-journey (width>=720px){.trial-entry-body.has-film{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:40px}.trial-entry-body.has-film>.guest-lesson{border-top:0;grid-template-columns:minmax(0,1fr);grid-template-areas:"poster""copy""holds""action";padding-top:0}.trial-entry-body.has-film>.guest-lesson>.film-poster-link{border-radius:var(--radius-panel)}}@container education-journey (width>=560px){.trial-plans{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=640px){.trial-entry-body>.guest-lesson>.btn-secondary{justify-self:start}}@media (width<=639px){.trial-entry-copy .btn-primary,.trial-payment-status .btn-primary{width:100%}.trial-prices{margin-top:24px}.trial-school-access{margin-top:32px}}.trial-locked-film{max-width:680px;margin:0;container-type:inline-size}.trial-locked-film-poster{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--accent-tint);width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;padding:0;text-decoration:none;display:block;position:relative;overflow:hidden}.trial-locked-film-poster>img{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.trial-locked-film-play{background:var(--accent);width:clamp(36px,12.4cqw,84px);height:clamp(36px,12.4cqw,84px);color:var(--card);border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.trial-locked-film-play>svg{width:42%;height:42%;margin-left:6%}.trial-locked-film-poster:is(:hover,:focus-visible) .trial-locked-film-play{background:var(--accent-hover)}.trial-locked-film-poster:focus-visible{outline:3px solid var(--focus);outline-offset:4px}@media (prefers-reduced-motion:no-preference){.trial-locked-film-play{transition:transform var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease)}.trial-locked-film-poster:hover .trial-locked-film-play{transform:translate(-50%,-50%)scale(1.06)}.trial-locked-film-poster:active .trial-locked-film-play{transform:translate(-50%,-50%)}}.trial-locked-film-mark{background:var(--card);max-width:calc(100% - 20px);color:var(--ink);border:1px solid var(--line);font-size:var(--text-meta);border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-weight:600;line-height:1.3;display:inline-flex;position:absolute;bottom:10px;left:10px}.trial-locked-film-mark>svg{color:var(--muted);flex:none}@container (width<=299.98px){.trial-locked-film-mark{max-width:calc(100% - 16px);padding:6px 10px;bottom:8px;left:8px}}.trial-locked-film>figcaption{margin:8px 0 0}.trial-locked-hook{max-width:680px;font-size:var(--text-ui);color:var(--ink);margin:24px 0 0;line-height:1.6}.trial-locked-hook>strong{font-size:var(--text-meta);color:var(--accent);font-weight:600;line-height:1.5;display:block}.trial-locked-actions{flex-direction:column;align-items:flex-start;gap:12px;max-width:560px;margin:24px 0 0;display:flex}.trial-locked-actions p{margin:0}.trial-locked-actions .trial-offer-locked{color:var(--ink);font-weight:600;font-size:var(--text-ui)}.trial-locked-account,.trial-locked-guest{flex-direction:column;align-self:stretch;align-items:flex-start;gap:12px;display:flex}.trial-locked-guest{margin-top:20px}.trial-locked-account>.trial-offer-locked{text-wrap:balance}.trial-locked-guest>p{font-size:var(--text-ui);color:var(--ink);text-wrap:pretty;line-height:1.6}@media (width<=560px){.trial-locked-actions :is(.btn-primary,.btn-secondary){width:100%}}@container education-journey (width>=720px){.trial-locked-actions.has-two-ways{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;column-gap:40px;max-width:680px;display:grid}.trial-locked-actions.has-two-ways>:is(.trial-locked-account,.trial-locked-guest){align-self:start;margin-top:0}}.education-search{max-width:640px;margin:0}.education-search>label{font-size:var(--text-ui);color:var(--ink);margin-bottom:8px;font-weight:600;line-height:1.4;display:block}.education-search-field{border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--card);min-height:48px;color:var(--muted);align-items:center;gap:10px;padding-left:14px;display:flex}.education-search-field:focus-within{outline:3px solid var(--focus);outline-offset:2px}.education-search-field>svg{flex-shrink:0}.education-search-field input{width:100%;min-width:0;min-height:46px;color:var(--ink);font:inherit;font-size:var(--text-ui);background:0 0;border:0;padding:10px 8px 10px 0}.education-search-field input:focus-visible{outline:none}.education-search-field input::placeholder{color:var(--muted);opacity:1}.education-search-field input::-webkit-search-cancel-button{appearance:none}.education-search-field button{border-radius:var(--radius-control);width:46px;min-height:46px;color:var(--muted);cursor:pointer;background:0 0;border:0;flex-shrink:0;place-items:center;padding:0;display:grid}.education-search-field button:hover{background:var(--surface);color:var(--ink)}.education-search-count{font-size:var(--text-meta);color:var(--muted);overflow-wrap:anywhere;margin:16px 0;line-height:1.5}.education-search-results{min-width:0}.education-search-results>ol{margin:0 -12px;padding:0;list-style:none}.education-search-results>ol>li+li{border-top:1px solid var(--line)}.education-search-result{border-radius:var(--radius-panel);min-height:56px;color:var(--ink);align-items:center;gap:14px;padding:12px;display:flex}.education-search-result:hover{background:var(--surface)}.education-search-result:hover h3{text-underline-offset:4px;text-decoration:underline}.education-search-result>div{flex:1;min-width:0}.education-search-result>svg{color:var(--muted);flex-shrink:0}.education-search-result .label{margin:0 0 2px}.education-search-result h3{font-size:var(--text-ui);letter-spacing:0;color:var(--ink);margin:0;font-weight:600;line-height:1.3}.education-search-excerpt{max-width:70ch;font-size:var(--text-ui);color:var(--muted);margin:4px 0 0;line-height:1.6}.education-search-result-meta{margin:4px 0 0}.education-search-state{color:var(--ink);font-weight:600}.education-search-fallback{border-radius:var(--radius-panel);background:var(--accent-tint);justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:12px 16px;display:flex}.education-search-fallback p{font-size:var(--text-ui);color:var(--ink);margin:0;line-height:1.6}.education-search-fallback .btn-text{flex-shrink:0}.education-search-empty{border-top:1px solid var(--line);padding-top:16px}.education-search-empty h3{font-size:var(--text-read);letter-spacing:0;margin:0;font-weight:600;line-height:1.3}.education-search-empty p{max-width:60ch;font-size:var(--text-ui);color:var(--muted);margin:4px 0 0;line-height:1.6}.education-search-empty .btn-text{margin-top:4px}@media (width<=639px){.education-search-field input{font-size:16px}.education-search-results>ol{margin-inline:-8px}.education-search-result{gap:12px;padding:12px 8px}.education-search-fallback{flex-direction:column;align-items:flex-start;gap:0}}.education-journey-page{width:100%;max-width:1120px;color:var(--ink);margin-inline:auto;container:education-journey/inline-size}.education-page-heading{max-width:750px;margin-bottom:24px}.education-page-heading h1{font-size:var(--text-page);letter-spacing:-.02em;margin:0;font-weight:600;line-height:1.2}.education-page-heading>p:not([class]){max-width:68ch;font-size:var(--text-ui);color:var(--muted);margin:12px 0 0;line-height:1.6}.education-loading-panel{border-radius:var(--radius-panel);background:var(--accent-tint);height:280px}.education-sync-note{border-radius:var(--radius-control);background:var(--surface);color:var(--ink);font-size:var(--text-meta);margin:0 0 24px;padding:12px 16px;line-height:1.5}.education-also{max-width:640px;margin-top:24px}.education-also h2{font-size:var(--text-meta);letter-spacing:0;color:var(--muted);margin:0;font-weight:600;line-height:1.4}.education-also ul{margin:0;padding:0;list-style:none}.row-link--quiet{min-height:44px;padding:6px 0}.row-link--quiet .row-link-copy{flex-flow:wrap;align-items:baseline;gap:0 8px}.row-link--quiet .row-link-title{font-size:var(--text-ui)}.row-link--quiet .row-link-title+.meta{margin-top:0}.education-progress-line{max-width:480px;margin-top:32px}.next-step-footer>.education-progress-line{margin-top:0}.next-step-footer>.education-progress-definition{max-width:52ch;margin:0}.education-progress-line>p:first-child{font-size:var(--text-ui);color:var(--ink);font-variant-numeric:tabular-nums;margin:0 0 8px;font-weight:600;line-height:1.4}.education-progress-line progress{background:var(--line);appearance:none;border:0;border-radius:999px;width:100%;height:6px;display:block;overflow:hidden}.education-progress-line progress::-webkit-progress-bar{background:var(--line);border-radius:999px}.education-progress-line progress::-webkit-progress-value{background:var(--accent);border-radius:999px}.education-progress-line progress::-moz-progress-bar{background:var(--accent);border-radius:999px}.education-progress-line .btn-text{margin-top:4px}.education-progress-line--on-dark>p:first-child{color:var(--paper)}.education-progress-line--on-dark progress{background:color-mix(in srgb, var(--paper) 25%, transparent)}.education-progress-line--on-dark progress::-webkit-progress-bar{background:color-mix(in srgb, var(--paper) 25%, transparent)}.education-progress-line--on-dark progress::-webkit-progress-value{background:var(--paper)}.education-progress-line--on-dark progress::-moz-progress-bar{background:var(--paper)}.next-step--dark .next-step-hook{color:var(--on-dark-muted);margin-top:8px}.next-step--dark .next-step-hook>strong{color:var(--paper);font-weight:600}.education-home-main{container:education-home-main/inline-size}.education-all-chapters{margin-top:48px}.education-all-chapters>h2{font-size:var(--text-title);letter-spacing:-.01em;margin:0 0 16px;font-weight:600;line-height:1.25}.education-all-chapters>h2:focus{outline:none}.education-chapter-page>:is(.education-chapter-back,.education-page-heading,.education-chapter-ahead,.education-chapter-lessons,.education-chapter-neighbors,.next-step,.education-sync-note){max-width:680px}.education-chapter-back{margin-bottom:16px}.education-chapter-back a{min-height:44px;font-size:var(--text-ui);color:var(--ink);align-items:center;gap:8px;display:inline-flex}.education-chapter-back a:hover{text-underline-offset:4px;text-decoration:underline}.education-chapter-heading>.label{margin:0 0 4px}.education-chapter-description{max-width:68ch;font-size:var(--text-ui);color:var(--muted);margin:8px 0 0;line-height:1.6}.education-chapter-heading>.meta{margin:8px 0 0}.education-chapter-action{flex-direction:column;align-items:flex-start;gap:12px;margin-top:24px;display:flex}.education-chapter-action>.meta{margin:0}.education-chapter-ways{flex-wrap:wrap;gap:12px;display:flex}.education-chapter-ahead{max-width:640px;margin-top:8px}.education-chapter-ahead>.row-link-copy{font-size:var(--text-ui);color:var(--muted);line-height:1.5}.education-chapter-ahead:hover>.row-link-copy{color:var(--ink);text-underline-offset:4px;text-decoration:underline}.education-chapter-lessons{margin-top:40px}.education-chapter-lessons>h2{font-size:var(--text-title);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.25}.education-chapter-lessons .education-progress-line{margin-top:12px}.education-lesson-list{margin:16px -12px 0;padding:0;list-style:none}.education-lesson-list>li+li{border-top:1px solid var(--line)}.education-lesson-list>li.is-current,.education-lesson-list>li.is-current+li{border-top-color:#0000}.education-lesson-open{color:var(--accent);font-weight:600}.education-lesson-list>li.education-lesson-test{border-top:1px solid var(--line);margin-top:16px;padding-top:8px}.film-badge{border:1px solid var(--line);background:var(--card);font-size:var(--text-meta);color:var(--muted);white-space:nowrap;border-radius:999px;align-self:flex-start;align-items:center;margin-top:6px;padding:1px 8px;font-weight:400;line-height:1.4;display:inline-flex}.education-films-entry{border-top:1px solid var(--line);margin-top:16px}.education-chapter-neighbors{border-top:1px solid var(--line);justify-content:space-between;gap:24px;margin-top:40px;display:flex}.education-next-chapter{min-width:0;min-height:56px;color:var(--ink);text-align:right;flex:1;justify-content:flex-end;align-items:center;gap:12px;padding:16px 0;display:flex}.education-previous-chapter{text-align:left;justify-content:flex-start}.education-next-chapter>span{flex-direction:column;display:flex}.education-next-chapter strong{font-size:var(--text-ui);font-weight:600;line-height:1.3}.education-next-chapter:hover strong{text-underline-offset:4px;text-decoration:underline}.education-next-chapter>svg{color:var(--muted);flex-shrink:0}.education-not-found{padding-block:48px}.education-not-found h1{font-size:var(--text-page)}@media (width>=1200px){.education-home-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;column-gap:48px;display:grid}.education-home-grid>:is(.education-page-heading,.education-demo-controls,.education-sync-note){grid-column:1/-1}.education-home-grid>.education-home-main{grid-column:1}.education-home-grid>.education-all-chapters{grid-column:2;margin-top:0}.education-home-grid .next-step--dark{max-width:none}}@container education-journey (width<=620px){.education-chapter-neighbors{flex-direction:column;gap:0}.education-chapter-neighbors>a+a{border-top:1px solid var(--line)}.education-next-chapter{text-align:left;justify-content:space-between}.education-previous-chapter{justify-content:flex-start}}@media (width<=639px){.education-page-heading{margin-bottom:20px}.education-page-heading h1{font-size:var(--text-display)}.education-also{margin-top:20px}.education-progress-line{margin-top:28px}.next-step-footer{margin-top:16px}.education-all-chapters{margin-top:40px}.education-chapter-lessons{margin-top:32px}.education-lesson-list{margin-inline:-8px}.education-chapter-ways{flex-direction:column;align-self:stretch}}@media (width>=761px){.education-app:has(.education-sidebar--lesson) .education-chapter-back{display:none}}.lr-contents{flex-direction:column;min-width:0;display:flex}.lr-contents-home{border-radius:var(--radius-control);min-height:44px;color:var(--muted);font-size:var(--text-meta);align-self:flex-start;align-items:center;gap:8px;padding-inline:8px;display:inline-flex}.lr-contents-home:hover{color:var(--ink);background:var(--surface)}.lr-contents-head{border-bottom:1px solid var(--line);margin:4px 0 8px;padding:0 8px 16px}.lr-contents-head>.label{margin:0}.lr-contents-chapter{font-size:var(--text-title);letter-spacing:-.01em;color:var(--ink);margin-top:2px;font-weight:600;line-height:1.25;display:block}.lr-contents-chapter:hover{text-underline-offset:4px;text-decoration:underline}.lr-contents-progress{font-variant-numeric:tabular-nums;margin:6px 0 0}.lr-contents-lessons,.lr-contents-steps{margin:0;padding:0;list-style:none}.lr-contents-lesson{border-radius:var(--radius-control);min-height:48px;color:var(--ink);align-items:center;gap:12px;padding:8px;text-decoration:none;display:flex}a.lr-contents-lesson:hover{background:var(--surface)}.lr-contents-lesson-copy{flex-direction:column;min-width:0;display:flex}.lr-contents-lesson-title{-webkit-line-clamp:2;line-clamp:2;font-size:var(--text-ui);overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;-webkit-box-orient:vertical;font-weight:400;line-height:1.3;display:-webkit-box;overflow:hidden}.lr-contents-lesson-copy>.meta{margin:2px 0 0}.lr-contents-test .status-dot{color:var(--muted)}.lr-contents-divide{border-top:1px solid var(--line);margin-top:4px;padding-top:4px}.lr-contents-open{border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--paper);margin:8px 0;padding:4px}.lr-contents-lesson.is-open{align-items:flex-start;padding:10px 8px 8px}.lr-contents-lesson.is-open .status-dot{margin-top:1px}.lr-contents-lesson.is-open .lr-contents-lesson-title{font-weight:600;display:block;overflow:visible}.lr-contents-steps{padding:0 0 4px;position:relative}.lr-contents-steps:before{content:"";background:var(--line);width:1px;position:absolute;top:22px;bottom:26px;left:19.5px}.lr-contents-section{border-radius:var(--radius-control);width:100%;min-height:44px;color:var(--muted);font-size:var(--text-ui);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;padding:6px 8px;line-height:1.3;display:flex;position:relative}.lr-contents-num{border:1px solid var(--line);background:var(--paper);width:24px;height:24px;color:var(--muted);font-size:var(--text-meta);font-variant-numeric:tabular-nums;border-radius:50%;flex-shrink:0;place-items:center;font-weight:400;display:grid;position:relative}.lr-contents-step-title{overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;flex:auto;min-width:0}.lr-contents-section .meta{font-size:var(--text-meta);color:var(--muted);font-weight:400}.lr-contents-section:hover{background:var(--surface);color:var(--ink)}.lr-contents-section.is-done{color:var(--ink)}.lr-contents-section.is-done .lr-contents-num{border-color:var(--accent-tint);background:var(--accent-tint);color:var(--accent)}.lr-contents-section[aria-current],.lr-contents-section[aria-current]:hover{background:var(--accent-tint);color:var(--ink);font-weight:600}.lr-contents-section[aria-current] .lr-contents-num{border-color:var(--accent-strong);background:var(--accent-strong);color:var(--card);font-weight:600}.lr-contents-steps>.lr-contents-divide{margin-top:4px;padding-top:4px}.lr-contents-optional{color:var(--muted)}.lr-contents-sheet .lr-contents-open{margin-inline:-4px}.lr-contents-sheet .lr-contents-head{padding-inline:4px}.education-results>.education-progress-line{margin-top:0}.education-results-section h2,.education-results-empty h2{font-size:var(--text-title);letter-spacing:-.01em;text-wrap:pretty;margin:0;font-weight:600;line-height:1.25}.education-results-section h2:focus{outline:none}.education-results-definition{max-width:62ch;margin:8px 0 0}.education-results>.next-step--light{margin-top:24px}.education-results-empty{max-width:640px}.education-results-empty>p{max-width:62ch;font-size:var(--text-ui);margin:8px 0 20px;line-height:1.6}.education-results-section{max-width:720px;margin-top:48px}.education-results-section>h2{margin-bottom:4px}.education-results-rows{margin:0;padding:0;list-style:none}.education-results-rows>li+li{border-top:1px solid var(--line)}.education-results-score{text-align:right;flex-direction:column;flex-shrink:0;align-items:flex-end;display:flex}.education-results-points{font-size:var(--text-ui);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600;line-height:1.3}.education-results-none>p{font-size:var(--text-ui);margin:0;line-height:1.6}.education-results-more{border-top:1px solid var(--line)}.education-results :is(.education-results-more,.data-controls)>summary{width:auto;min-height:48px;color:var(--ink);font-size:var(--text-ui);cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:8px 0;line-height:1.5;list-style:none;display:flex}.education-results :is(.education-results-more,.data-controls)>summary::-webkit-details-marker{display:none}.education-results :is(.education-results-more,.data-controls)>summary>svg{color:var(--muted);flex-shrink:0}.education-results :is(.education-results-more,.data-controls)[open]>summary>svg{transform:rotate(180deg)}.education-results-more>.education-results-rows{border-top:1px solid var(--line)}.education-results .education-results-data{border-block:1px solid var(--line);max-width:720px;color:var(--muted);font-size:var(--text-ui);margin-top:48px}.education-results .education-results-data>p{max-width:65ch;font-size:var(--text-ui);margin:0 0 12px;line-height:1.6}.education-results .education-results-data>.education-results-save{font-size:var(--text-meta);line-height:1.5}.education-results .education-results-data>.btn-text{margin-bottom:8px}.education-results .confirm-inline{flex-wrap:wrap;align-items:center;gap:12px 16px;padding-bottom:16px;display:flex}.education-results .confirm-inline>span{color:var(--ink);flex-basis:100%;font-weight:600}.education-results .confirm-inline .button-danger{border-radius:var(--radius-control);min-height:48px;font-size:var(--text-ui);gap:10px;padding:0 20px;font-weight:600;line-height:1.3}@media (width<=639px){.education-results-empty>.btn-primary{width:100%}.education-results-section,.education-results .education-results-data{margin-top:40px}}.education-account-links{padding-block:0 44px;display:grid}.education-account-links>.row-link{border-top:1px solid var(--line)}.education-app{--education-header:76px;--education-sidebar:224px;--lesson-row-top:var(--education-header);background:var(--paper);min-height:100dvh}.education-header{height:var(--education-header);z-index:40;background:var(--card);border-bottom:1px solid var(--line);align-items:center;gap:24px;padding:0 36px;display:flex;position:sticky;top:0}.education-header .brand{gap:0;font-size:27px}.education-profile,.education-login{margin-left:auto}.education-access{min-height:44px;font-size:var(--text-ui);color:var(--ink);align-items:center;gap:6px;margin-left:auto;font-weight:600;line-height:1.4;transition:color .16s;display:inline-flex}.education-access:hover{color:var(--accent)}.education-access-state{color:var(--muted);font-weight:400}.education-access-action{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:1px}.education-access+:is(.education-profile,.education-login){margin-left:0}.education-profile{background:var(--accent-tint);border-radius:var(--radius-control);min-height:44px;font-size:var(--text-meta);border:0;align-items:center;gap:8px;padding:8px 16px;display:flex}.education-sidebar{top:var(--education-header);width:var(--education-sidebar);border-right:1px solid var(--line);background:var(--card);z-index:20;flex-direction:column;padding:30px 18px 24px;display:flex;position:fixed;bottom:0;left:0;overflow-y:auto}.education-sidebar>nav{gap:6px;display:grid}.education-sidebar>nav a{min-height:48px;font-size:var(--text-ui);color:var(--muted);border-radius:var(--radius-control);align-items:center;gap:13px;padding:12px 16px;line-height:1.5;transition:background-color .16s,color .16s;display:flex}.education-sidebar>nav a:hover{background:var(--surface)}.education-sidebar>nav a.is-current{background:var(--accent-tint);color:var(--accent);font-weight:600}.education-sidebar-foot{justify-items:start;margin-top:auto;padding:32px 16px 0;display:grid}.education-sidebar-foot a{min-height:44px;color:var(--muted);font-size:var(--text-meta);text-underline-offset:4px;align-items:center;line-height:1.4;text-decoration:underline;display:inline-flex}.education-sidebar-foot a:hover{color:var(--ink)}.education-app>main{min-height:calc(100dvh - var(--education-header));margin-left:var(--education-sidebar)}.education-app>main>.page-width{width:calc(100% - 88px);max-width:1080px}.education-app>main>.inner-page{padding-top:40px}.education-bottom-nav{display:none}.education-app :is(h1,h2,h3,[id]){scroll-margin-top:100px}.education-app .page-intro{margin-bottom:30px}.education-app :is(button,a,input,textarea,select,summary):focus-visible{outline:3px solid var(--focus);outline-offset:4px}.education-app :is(input,textarea){caret-color:var(--accent)}.education-app ::selection{background:color-mix(in srgb, var(--accent) 18%, var(--card));color:var(--ink)}.education-sidebar--lesson{padding:12px 12px 24px}.education-sidebar-contents{flex-direction:column;min-height:100%;display:flex}@media (width<=1000px){.education-app{--education-sidebar:190px}.education-header{padding-inline:24px}.education-sidebar{padding-inline:12px}.education-sidebar>nav a{gap:10px;padding-inline:10px}.education-app>main>.page-width{width:calc(100% - 48px)}}@media (width<=760px){.education-app{--education-header:64px;--education-sidebar:0px;padding-bottom:calc(76px + env(safe-area-inset-bottom))}.education-app--immersive{--education-header:0px;--lesson-row-top:0px;padding-bottom:0}.education-app--immersive .education-header{display:none}.education-header{gap:18px;padding-inline:20px}.education-header .brand{font-size:24px}.education-profile{padding:8px 13px}.education-access-state{display:none}.education-app:not(.education-app--immersive):not(:has(.qp-active-shell)) .education-profile{display:none}.education-sidebar{display:none}.education-app>main>.page-width{width:calc(100% - 40px)}.education-app>main>.inner-page{padding-top:26px;padding-bottom:36px}.education-bottom-nav{z-index:40;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.education-bottom-nav a{border-radius:var(--radius-control);min-height:56px;color:var(--muted);font-size:var(--text-meta);flex-direction:column;justify-content:center;align-items:center;gap:5px;font-weight:600;display:flex}.education-bottom-nav a.is-current{background:var(--accent-tint);color:var(--accent);font-weight:600}.education-app :is(h1,h2,h3,[id]){scroll-margin-top:84px}}@media (prefers-reduced-motion:reduce){.education-sidebar>nav a,.education-access{transition:none}}.education-local-mode{border-radius:var(--radius-control);background:var(--surface);color:var(--accent);font-size:var(--text-meta);white-space:nowrap;margin-left:auto;padding:9px 12px;font-weight:600}.education-bottom-nav--local{grid-template-columns:repeat(3,1fr)!important}@media (width>=761px){.education-app.education-app--book{--education-sidebar:248px}}@media (width>=1100px){.education-app.education-app--book{--education-sidebar:312px}}@keyframes education-enter-a{0%{opacity:0}to{opacity:1}}@keyframes education-enter-b{0%{opacity:0}to{opacity:1}}.education-app>main[data-enter=a]>*{animation:education-enter-a .2s var(--motion-ease)}.education-app>main[data-enter=b]>*{animation:education-enter-b .2s var(--motion-ease)}.education-sidebar{transition:width .22s var(--motion-ease)}.education-app>main{transition:margin-left .22s var(--motion-ease)}.education-sidebar-contents,.education-sidebar>nav{animation:education-enter-a .2s var(--motion-ease)}.landing-intro-video{min-width:0;margin:0}.landing-intro-video-frame{background:#193a2b;border-radius:16px;position:relative;overflow:hidden}.landing-intro-video-frame>video{aspect-ratio:16/9;object-fit:contain;background:#193a2b;width:100%;height:auto;display:block}.landing-intro-video-frame>video:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}.landing-intro-video-play{border-radius:inherit;color:#fff;width:100%;font:inherit;cursor:pointer;background:linear-gradient(#0000,#10261c1f 45%,#10261c8c);border:0;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:16px;display:flex;position:absolute;inset:0}.landing-intro-video-play-icon{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:84px;height:84px;display:grid;box-shadow:0 12px 32px -14px #0b1d15}.landing-intro-video-play-icon svg{margin-left:4px}.landing-intro-video-play-label{background:#10261cb3;border-radius:999px;padding:6px 14px;font-size:15px;font-weight:600;line-height:1.4}.landing-intro-video-play:hover .landing-intro-video-play-icon{background:var(--accent-hover)}.landing-intro-video-play:focus-visible{outline-offset:-6px;outline:3px solid #fff}.landing-intro-video-play:focus-visible .landing-intro-video-play-icon{outline-offset:3px;outline:3px solid #fff}.landing-intro-video-error{color:var(--warn-ink,var(--ink));margin:10px 0 0;font-size:15px;line-height:1.6}.landing-intro-video>figcaption{color:var(--muted);padding-top:14px;font-size:13px;line-height:1.7}@media (prefers-reduced-motion:no-preference){.landing-intro-video-play-icon{transition:transform var(--motion-fast) var(--motion-ease), background-color var(--motion-fast) var(--motion-ease)}.landing-intro-video-play:hover .landing-intro-video-play-icon{transform:scale(1.06)}}@media (width<=760px){.landing-intro-video-frame{border-radius:12px}.landing-intro-video-play{gap:10px}.landing-intro-video-play-icon{width:64px;height:64px}.landing-intro-video-play-label{font-size:14px}}.education-app .landing-intro-video-play-label{font-size:var(--text-ui)}.education-films-lead{max-width:60ch;font-size:var(--text-ui);color:var(--ink);margin:8px 0 0;line-height:1.6}.education-films-page .education-page-heading>.meta{margin:8px 0 0}.education-films-access{max-width:640px;font-size:var(--text-ui);color:var(--muted);margin:16px 0 0;line-height:1.6}.education-films-chapter{margin-top:40px}.education-films-chapter>.label{margin:0 0 2px}.education-films-chapter>h2{font-size:var(--text-title);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.3}.education-film-list{gap:24px;margin:16px 0 0;padding:0;list-style:none;display:grid}.education-film{min-width:0;color:var(--ink)}.education-film .landing-intro-video-frame{border:1px solid var(--line);border-radius:var(--radius-panel)}.education-film .landing-intro-video>figcaption{font-size:inherit;line-height:inherit;color:inherit;padding-top:10px}.education-film .landing-intro-video-play{gap:8px}.education-film .landing-intro-video-play-icon{width:56px;height:56px}.education-film .landing-intro-video-play-icon svg{width:24px;height:24px}.education-film-poster{border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--accent-tint);aspect-ratio:16/9;display:block;position:relative;overflow:hidden}.education-film-poster>img{object-fit:cover;width:100%;height:100%;display:block}.education-film-mark{background:var(--card);width:36px;height:36px;color:var(--muted);border:1px solid var(--line);border-radius:50%;place-items:center;display:grid;position:absolute;bottom:10px;left:10px}.education-film-copy{flex-direction:column;min-width:0;display:flex}.education-film.is-locked .education-film-copy{padding-top:10px}.education-film-title{font-size:var(--text-ui);color:var(--ink);overflow-wrap:anywhere;text-wrap:pretty;font-weight:600;line-height:1.3}a.education-film-title{align-self:flex-start;text-decoration:none}a.education-film-title:hover{text-underline-offset:4px;text-decoration:underline}.education-film-copy>.meta{white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;overflow:hidden}.education-film.is-locked .education-film-poster>img{filter:saturate(.35);opacity:.8}@media (width>=640px){.education-film-list{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px 20px}}.public-steps{counter-reset:public-step;margin:1.5rem 0 0;padding:0;list-style:none}.public-learning-page .public-steps>li{counter-increment:public-step;margin:0;padding:0 0 1.6rem 3.25rem;position:relative}.public-steps>li:last-child{padding-block-end:0}.public-steps>li:before{content:counter(public-step);border:1px solid var(--border-strong,#89958d);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;width:2.1rem;height:2.1rem;font-size:.9375rem;font-weight:600;line-height:1;display:grid;position:absolute;inset:.15rem auto auto 0}.public-steps>li:not(:last-child):after{content:"";background:var(--line);width:1px;position:absolute;inset:2.6rem auto .35rem 1.05rem}.public-learning-page .public-steps h3{margin:0 0 .3rem}.public-learning-page .public-steps p{margin:0}.public-answer h3{margin-block-start:1.8rem}.public-answer>p:first-of-type{margin-block-end:0}.public-about-address{margin:0 0 1.1em;font-style:normal;line-height:1.7}.exam-guides{flex-wrap:wrap;gap:4px 28px;margin:-8px 0 8px;display:flex}.exam-guides a{min-height:44px;color:var(--accent);align-items:center;gap:10px;font-size:15px;font-weight:600;display:inline-flex}.exam-guides a:hover{text-underline-offset:4px;text-decoration:underline}.exam-guides a svg{flex-shrink:0}.exam-answers{max-width:70ch;margin-block:0 44px;font-size:17px;line-height:1.8}.exam-answers .public-answer{margin-block-start:30px}.exam-answers h2{letter-spacing:-.02em;text-wrap:balance;margin:0 0 8px;font-size:22px;line-height:1.35}.exam-answers p{color:var(--ink);margin:0}.exam-answers a{text-underline-offset:.2em;text-decoration:underline;text-decoration-thickness:1px}.exam-sources a{text-underline-offset:.2em;overflow-wrap:anywhere;text-decoration:underline;text-decoration-thickness:1px}.exam-about-link{margin:28px 0 0;font-size:15px}.exam-about-link a{text-underline-offset:4px;text-decoration:underline}.public-start{margin-block-start:3rem}.public-start .next-step{max-width:none}.sa-page{max-width:1200px;color:var(--ink);margin:0 auto;padding:48px 40px 76px}.sa-page *{box-sizing:border-box}.sa-lesson-return,.sa-text-link{min-height:44px;color:var(--ink);align-items:center;gap:9px;font-size:.85rem;font-weight:550;display:inline-flex}.sa-lesson-return{margin-bottom:20px}.sa-lesson-return:hover,.sa-text-link:hover{text-underline-offset:4px;text-decoration:underline}.sa-heading{max-width:720px;margin-bottom:40px}.sa-heading h1{font-family:var(--display);letter-spacing:-.035em;text-wrap:pretty;margin:0 0 16px;font-size:clamp(2.5rem,4.5vw,3.5rem);font-weight:600;line-height:1.15}.sa-heading>p:last-child{color:var(--muted);max-width:590px;margin:0;font-size:1.05rem;line-height:1.7}.sa-compare{border-top:1px solid var(--ink);padding-top:25px}.sa-compare-heading,.sa-gallery-heading{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.sa-compare-heading h2,.sa-gallery-heading h2{font-family:var(--display);letter-spacing:-.025em;text-wrap:pretty;margin:0;scroll-margin-top:110px;font-size:clamp(1.75rem,3vw,2.25rem);font-weight:600;line-height:1.2}.sa-compare-heading>a{flex-shrink:0}.sa-presets{flex-wrap:wrap;gap:4px 20px;padding:20px 0 22px;display:flex}.sa-presets button{min-height:44px;color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;padding:10px 0 7px;font-size:.84rem;font-weight:500}.sa-presets button[aria-pressed=true]{color:var(--purple);border-bottom-color:var(--purple)}.sa-presets button:hover:not([aria-pressed=true]){color:var(--ink);border-bottom-color:var(--line)}.sa-pair-selectors{grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);align-items:end;gap:12px;margin:0 0 28px;display:grid}.sa-pair-selector--0{grid-area:1/1}.sa-pair-selector--1{grid-area:1/3}.sa-pair-selector label{color:var(--muted);margin-bottom:7px;font-size:.75rem;font-weight:550;display:block}.sa-select-wrap{position:relative}.sa-select-wrap select{appearance:none;border:1px solid var(--border-strong);background:var(--card);width:100%;min-height:48px;color:var(--ink);cursor:pointer;border-radius:6px;padding:11px 42px 11px 15px;font-size:1rem}.sa-select-wrap>svg{pointer-events:none;position:absolute;top:15px;right:14px}.sa-swap{width:44px;min-height:48px;color:var(--purple);background:0 0;border:0;border-radius:6px;grid-area:1/2;place-items:center;display:grid}.sa-swap:hover{background:var(--lavender)}.sa-compare-photos{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;display:grid}.sa-compare-photo{min-width:0;margin:0}.sa-compare-photo-label{flex-wrap:wrap;align-items:baseline;gap:7px 10px;margin:0 0 12px;display:flex}.sa-compare-photo-label h3{font-family:var(--display);letter-spacing:-.02em;margin:0;font-size:1.7rem;font-weight:600;line-height:1.2}.sa-compare-photo-label .sa-scientific{font-size:.76rem}.sa-compare-image{aspect-ratio:3/2;background:var(--surface);border-radius:12px;overflow:hidden}.sa-compare-image img{object-fit:contain;width:100%;height:100%;display:block}.sa-compare-photo figcaption>p{margin:11px 0 0;font-size:.8rem;line-height:1.6}.sa-photo-credit{color:var(--muted);font-size:.75rem;line-height:1.65}.sa-photo-credit summary{cursor:pointer;text-underline-offset:3px;align-items:center;gap:6px;width:fit-content;min-height:44px;text-decoration:underline;display:flex}.sa-photo-credit[open] summary>svg{transform:rotate(180deg)}.sa-photo-credit p{overflow-wrap:anywhere;margin:0 0 10px}.sa-photo-credit a,.sa-compare-footnotes a{text-underline-offset:3px;color:var(--purple);text-decoration:underline}.sa-photo-note{max-width:720px;margin:9px 0 25px;font-size:.78rem;line-height:1.7}.sa-compare-observation{background:var(--surface);border-radius:12px;grid-template-columns:100px minmax(0,1fr);gap:20px;margin-bottom:28px;padding:22px 24px;display:grid}.sa-compare-observation>strong{color:var(--ink);padding-top:4px;font-size:.85rem;font-weight:600}.sa-compare-observation p{color:var(--ink);max-width:780px;margin:0;font-size:.98rem;line-height:1.75}.sa-compare-table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:.93rem;line-height:1.7}.sa-compare-table th,.sa-compare-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:19px 20px}.sa-compare-table th:first-child{width:190px;padding-left:0}.sa-compare-table thead th{border-bottom:1px solid var(--border-strong);padding-top:0;padding-bottom:12px;font-size:1rem;font-weight:600}.sa-compare-table thead th:first-child{color:var(--muted);vertical-align:bottom;font-size:.75rem;font-weight:500}.sa-compare-table tbody th{font-size:.83rem;font-weight:600}.sa-compare-table td+td{border-left:1px solid var(--line)}.sa-compare-table td:last-child{padding-right:0}.sa-compare-table p{color:var(--ink);margin:0 0 7px}.sa-compare-table p:last-child{margin-bottom:0}.sa-mobile-species{display:none}.sa-compare-footnotes{justify-content:space-between;align-items:flex-start;gap:25px;margin:20px 0 0;font-size:.78rem;display:flex}.sa-compare-footnotes>p{max-width:480px;margin-bottom:0;line-height:1.8}.sa-compare-card-links{flex-wrap:wrap;flex-shrink:0;gap:4px 22px;display:flex}.sa-compare-card-links a{align-items:center;gap:5px;min-height:44px;font-weight:550;text-decoration:none;display:inline-flex}.sa-compare-card-links a:hover{text-decoration:underline}.sa-gallery{border-top:1px solid var(--ink);margin-top:70px;padding-top:30px}.sa-gallery-heading{margin-bottom:26px}.sa-gallery-heading>p{max-width:390px;margin:0;font-size:.9rem;line-height:1.7}.sa-controls{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;display:flex}.sa-search-field{flex:1;min-width:0;max-width:430px}.sa-search-input{position:relative}.sa-search-input>svg{pointer-events:none;color:var(--muted);position:absolute;top:15px;left:14px}.sa-search-input input{border:1px solid var(--border-strong);width:100%;height:49px;font:inherit;color:var(--ink);background:var(--card);border-radius:6px;padding:10px 14px 10px 43px;font-size:1rem}.sa-search-input input::placeholder{color:var(--muted);opacity:1}.sa-filter-buttons{flex-wrap:wrap;gap:6px;display:flex}.sa-filter-buttons button{min-height:49px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;padding:10px 16px;font-size:.875rem;font-weight:500}.sa-filter-buttons button[aria-pressed=true]{color:var(--ink);border-color:var(--line);background:var(--surface)}.sa-filter-buttons button:hover:not([aria-pressed=true]){border-color:var(--border-strong);background:var(--surface)}.sa-search-field>label,.sa-filter-field>span{color:var(--ink);margin-bottom:8px;font-size:.875rem;font-weight:550;display:block}.sa-results-summary{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;min-height:44px;margin:-12px 0 20px;display:flex}.sa-count{color:var(--muted);overflow-wrap:anywhere;margin:0;font-size:.875rem}.sa-clear-filters{min-height:44px;color:var(--accent);font:inherit;text-underline-offset:4px;background:0 0;border:0;justify-content:center;align-items:center;gap:8px;padding:8px 0;font-size:.875rem;text-decoration:underline;display:inline-flex}.sa-clear-filters:hover{color:var(--ink)}.sa-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 23px;display:grid}.sa-card{border-bottom:1px solid var(--line);background:0 0;min-width:0}.sa-card-link{height:100%;display:block}.sa-card-link:hover{background:var(--surface)}.sa-card-link:hover h3{text-underline-offset:4px;text-decoration:underline}.sa-card-photo{aspect-ratio:4/3;background:var(--surface);border-radius:12px;justify-content:center;align-items:center;display:flex;overflow:hidden}.sa-card-photo img{object-fit:contain;width:100%;height:100%;display:block}.sa-card-body{justify-content:space-between;align-items:center;gap:16px;padding:16px 3px 19px;display:flex}.sa-card-body>svg{color:var(--muted);flex-shrink:0}.sa-card h3{font-family:var(--display);letter-spacing:-.015em;margin:0 0 4px;font-size:1.5rem;font-weight:600;line-height:1.3}.sa-scientific{color:var(--muted);margin:0;font-size:.875rem}.sa-empty{text-align:center;background:var(--surface);padding:55px 20px}.sa-empty h2{margin:0 0 12px;font-size:1.4rem;font-weight:500}.sa-empty p{color:var(--muted);line-height:1.7}.sa-button{color:#fff;background:var(--ink);border:1px solid var(--ink);min-height:46px;font:inherit;cursor:pointer;border-radius:6px;justify-content:center;align-items:center;padding:12px 19px;font-size:.82rem;font-weight:600;display:inline-flex}.sa-button:hover{background:var(--accent)}.sa-study-note{border-block:1px solid var(--line);max-width:750px;margin-top:36px}.sa-study-note summary{min-height:56px;color:var(--muted);cursor:pointer;justify-content:space-between;align-items:center;gap:16px;font-size:15px;display:flex}.sa-study-note[open] summary>svg{transform:rotate(180deg)}.sa-study-note p{color:var(--muted);font-size:.94rem;line-height:1.8}.sa-study-note a{min-height:44px;color:var(--ink);text-underline-offset:4px;align-items:center;gap:10px;font-size:.85rem;font-weight:600;display:inline-flex}.sa-dialog{border:1px solid var(--line);background:var(--card);width:min(790px,100vw - 48px);max-width:none;max-height:calc(100dvh - 64px);color:var(--ink);overscroll-behavior:contain;border-radius:16px;margin:auto;padding:0}.sa-dialog::backdrop{background:#141e16a6}.sa-dialog-header{justify-content:space-between;align-items:flex-start;gap:20px;padding:27px 30px 23px;display:flex}.sa-dialog-header h2{font-family:var(--display);letter-spacing:-.025em;margin:0 0 7px;font-size:2.5rem;font-weight:600;line-height:1.15}.sa-close{border:1px solid var(--border-strong);width:44px;height:44px;color:var(--ink);cursor:pointer;background:#fff;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:10px;display:flex}.sa-close:hover{background:var(--surface)}.sa-detail-photo{margin:0}.sa-detail-photo img{object-fit:contain;background:var(--surface);width:100%;height:auto;max-height:470px;display:block}.sa-detail-photo figcaption{color:var(--muted);border-bottom:1px solid var(--line);padding:11px 30px;font-size:.75rem;line-height:1.7}.sa-dialog-body{padding:10px 30px 30px}.sa-dialog-body>section{margin-top:24px}.sa-dialog-body h3{margin:0 0 10px;font-size:1rem;font-weight:650;line-height:1.5}.sa-dialog-body p,.sa-features{color:var(--ink);margin:0;font-size:1rem;line-height:1.8}.sa-features{padding-left:21px}.sa-features li{margin:5px 0;padding-left:3px}.sa-comparison{background:var(--surface);border-radius:12px;padding:19px 22px}.sa-dialog a{color:var(--ink);text-underline-offset:3px;overflow-wrap:anywhere}.sa-comparison>a{margin-top:13px;font-size:.8rem;line-height:1.9;display:block}.sa-dialog a svg{vertical-align:-.15em;margin-left:3px}.sa-inline-button{min-height:44px;color:var(--ink);font:inherit;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:8px;margin-top:8px;padding:9px 0;font-size:.83rem;font-weight:600;display:flex}.sa-inline-button:hover{text-underline-offset:3px;text-decoration:underline}.sa-dialog-compare{text-underline-offset:4px;font-size:.93rem;text-decoration:underline}.sa-sources{border-top:1px solid var(--line);padding-top:22px}.sa-sources p{font-size:.8rem}.sa-sources dl{margin:15px 0 0;font-size:.76rem;line-height:1.8}.sa-sources dl>div{grid-template-columns:130px minmax(0,1fr);gap:15px;padding:5px 0;display:grid}.sa-sources dt{font-weight:600}.sa-sources dd{color:var(--muted);overflow-wrap:anywhere;margin:0}.sa-return{margin-top:24px}.sa-page :where(button,a,input,select,summary,[tabindex]):focus-visible{outline:3px solid var(--ink);outline-offset:4px}.sa-sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=980px){.sa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sa-page{padding-left:26px;padding-right:26px}.sa-controls{flex-direction:column;align-items:stretch;gap:12px}.sa-search-field{max-width:100%}.sa-compare-heading,.sa-gallery-heading{flex-direction:column;align-items:flex-start;gap:13px}.sa-compare-heading>a{min-height:44px}.sa-gallery-heading>p{max-width:100%}.sa-compare-table th:first-child{width:155px}.sa-compare-table th,.sa-compare-table td{padding:16px}.sa-compare-footnotes{flex-direction:column;gap:8px}.sa-compare-card-links{flex-shrink:1}}@media (width<=580px){.sa-page{padding:28px 20px 45px}.sa-heading{margin-bottom:28px}.sa-heading h1{font-size:2.5rem}.sa-heading>p:last-child{font-size:.94rem}.sa-compare{padding-top:22px}.sa-compare-heading h2,.sa-gallery-heading h2{font-size:1.8rem}.sa-presets{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px;margin-bottom:0;padding:14px 0 20px;display:grid}.sa-presets button{text-align:left;min-width:0;font-size:.8125rem;line-height:1.5}.sa-presets button:focus-visible{outline-offset:-3px}.sa-pair-selectors{grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:6px;margin-bottom:23px}.sa-pair-selector label{font-size:.68rem}.sa-select-wrap select{padding-left:9px;padding-right:28px;font-size:1rem}.sa-select-wrap>svg{width:15px;right:7px}.sa-swap{width:44px}.sa-compare-photos{gap:14px}.sa-compare-photo-label{gap:6px 9px;min-height:56px;margin-bottom:9px;display:block}.sa-compare-photo-label h3{margin-bottom:5px;font-size:1.35rem}.sa-compare-photo-label .sa-scientific{font-size:.74rem}.sa-compare-photo figcaption>p{font-size:.78rem}.sa-compare-image{border-radius:8px}.sa-photo-credit summary{line-height:1.4}.sa-photo-note{margin-top:16px}.sa-compare-observation{grid-template-columns:minmax(0,1fr);gap:9px;margin-bottom:25px;padding:19px 18px}.sa-compare-observation p{font-size:.93rem}.sa-compare-table,.sa-compare-table tbody{display:block}.sa-compare-table thead{clip:rect(0,0,0,0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.sa-compare-table tr{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr);gap:14px;padding:18px 0;display:grid}.sa-compare-table tr:first-child{padding-top:0}.sa-compare-table th:first-child{width:auto;font-size:1rem}.sa-compare-table th,.sa-compare-table td{border:0;padding:0;display:block}.sa-compare-table td{border-left:1px solid var(--line);padding:0 0 0 14px}.sa-compare-table td+td{border-left-width:1px}.sa-compare-table p{font-size:.9rem;line-height:1.8}.sa-mobile-species{color:var(--purple);margin-bottom:4px;font-size:.75rem;font-weight:650;display:block}.sa-compare-footnotes>p{font-size:.76rem}.sa-gallery{margin-top:48px;padding-top:25px}.sa-filter-buttons{gap:5px}.sa-filter-buttons button{min-height:46px;padding:10px 12px;font-size:.875rem}.sa-grid{grid-template-columns:minmax(0,1fr);gap:24px}.sa-card-body{padding:15px 3px 18px}.sa-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 24px)}.sa-dialog-header{padding:20px 20px 18px}.sa-dialog-header h2{font-size:1.875rem}.sa-detail-photo figcaption{padding:11px 20px}.sa-dialog-body{padding:1px 20px 25px}.sa-comparison{padding:17px}.sa-sources dl>div{grid-template-columns:1fr;gap:0;padding-bottom:9px}.sa-return{width:100%}}.sa-presets{scrollbar-color:var(--border-strong) var(--surface)}.sa-card-link{border-radius:12px 12px 0 0}.sa-card-link:focus-visible{outline-offset:5px}.sa-card-body h3{text-wrap:balance}@media (width<=380px){.sa-filter-buttons{gap:3px}.sa-filter-buttons button{padding-inline:10px;font-size:13px}.sa-page{padding-inline:18px}.sa-pair-selector label{font-size:12px}}@media (prefers-reduced-motion:no-preference){.sa-card-link{transition:background-color .18s}}.acct-dialog{width:min(460px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--ink);background:var(--paper);font-family:var(--sans);border:0;border-radius:14px;margin:auto;padding:0;overflow:auto;box-shadow:0 24px 72px #14281d38}.acct-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#232c254f}.acct-content{padding:38px;position:relative}.acct-close{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:grid;position:absolute;top:14px;right:14px}.acct-close:hover{background:var(--lavender)}.acct-icon{background:var(--lavender);width:60px;height:60px;color:var(--purple);border-radius:19px;place-items:center;margin-bottom:24px;display:grid}.acct-dialog h2{letter-spacing:-.035em;max-width:350px;margin:0 0 14px;font-size:clamp(1.65rem,5vw,2.1rem);font-weight:600;line-height:1.15}.acct-dialog h2:focus{outline:none}.acct-description{color:var(--muted);margin:0 0 25px;font-size:1rem;line-height:1.65}.acct-form label{margin-bottom:9px;font-size:.9rem;font-weight:650;display:block}.acct-form input{box-sizing:border-box;border:1px solid var(--line);background:var(--card);width:100%;min-height:51px;color:var(--ink);font:inherit;border-radius:10px;padding:12px 14px}.acct-form input::placeholder{color:var(--muted)}.acct-dialog button:focus-visible,.acct-dialog input:focus-visible{outline:3px solid var(--purple);outline-offset:3px}.acct-note{color:var(--muted);margin:11px 0 20px;font-size:.82rem;line-height:1.65}.acct-dialog .acct-primary{background:var(--purple);color:#fff;width:100%;min-height:50px;font:inherit;cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;gap:10px;padding:12px 18px;font-weight:600;display:flex}.acct-dialog button:disabled{cursor:wait;opacity:.58}.acct-text-button{width:100%;min-height:46px;color:var(--ink);font:inherit;text-underline-offset:4px;cursor:pointer;background:0 0;border:0;margin:8px 0;padding:12px;font-size:.875rem;text-decoration:underline;display:block}.acct-user{border:1px solid var(--line);background:var(--card);border-radius:12px;align-items:center;gap:12px;padding:16px;font-size:.875rem;line-height:1.6;display:flex}.acct-user svg{color:var(--purple);flex-shrink:0}.acct-user strong{overflow-wrap:anywhere;display:block}.acct-sync{color:var(--muted);margin:15px 0 24px;font-size:.875rem;line-height:1.65}.acct-sync--error,.acct-error{color:#803922}.acct-error{background:#fff1e6;border:1px solid #dec1ad;border-radius:10px;margin:15px 0 0;padding:12px 14px;font-size:.875rem;line-height:1.6}.acct-notice{color:var(--muted);font-size:.875rem;line-height:1.6}.acct-sent{padding-top:2px}.acct-sent>svg{color:var(--purple)}.acct-sent h3{margin:12px 0;font-size:1.2rem}.acct-sent p{color:var(--muted);font-size:.94rem;line-height:1.65}.acct-sent strong{color:var(--ink);overflow-wrap:anywhere}@media (width<=480px){.acct-content{padding:30px 23px 20px}.acct-icon{margin-top:10px}}@media (prefers-reduced-motion:reduce){.acct-dialog,.acct-dialog *{scroll-behavior:auto;transition:none}}.acct-benefits{margin:0 0 20px;padding:0;list-style:none}.acct-benefits li{align-items:baseline;gap:10px;margin:12px 0;font-size:15px;line-height:1.55;display:flex}.acct-benefits svg{flex-shrink:0}.acct-content{padding:52px 32px 24px}.acct-dialog h2{letter-spacing:-.5px;font-size:30px;line-height:1.3}.acct-form label,.acct-note{font-size:15px}.acct-form input{border-color:#89928b;border-radius:6px;font-size:18px}.acct-description{font-size:17px}.acct-trial-summary{border-block:1px solid var(--line);color:var(--muted);align-items:flex-start;gap:10px;margin:-7px 0 25px;padding:14px 0;font-size:14px;line-height:1.65;display:flex}.acct-trial-summary svg{color:var(--purple);flex:none;margin-top:3px}.acct-trial-summary strong{color:var(--ink);font-weight:650;display:block}.acct-dialog .acct-primary:hover:not(:disabled){background:var(--accent-hover)}.acct-password button:hover{background:var(--lavender)}@media (width<=400px){.acct-content{padding:48px 22px 20px}}.acct-form input+label{margin-top:22px}.acct-password{position:relative}.acct-password input{padding-right:56px}.acct-password button{background:0 0;border:0;border-radius:5px;place-items:center;width:45px;height:45px;display:grid;position:absolute;top:3px;right:3px}.acct-form .acct-primary{margin-top:22px}.acct-privacy{margin:14px 0 4px;font-size:14px;line-height:1.7}.acct-privacy a{text-underline-offset:3px;text-decoration:underline}.acct-dialog a:focus-visible{outline:3px solid var(--purple);outline-offset:3px}.acct-test-notice{color:#665118;background:#fff7dd;border:1px solid #c5b17b;border-radius:7px;margin:0 0 22px;padding:10px 13px;font-size:13px;line-height:1.6}.acct-bankid{justify-content:center;width:100%;min-height:48px;margin:4px 0 10px}@media (width<=400px){.acct-dialog .acct-description{margin-bottom:20px;font-size:15px;line-height:1.55}.acct-dialog .acct-trial-summary{margin-bottom:20px;padding:12px;font-size:12px;line-height:1.55}.acct-dialog .acct-form input{min-height:46px}.acct-dialog .acct-note{margin:8px 0 14px;font-size:12px}}.account-page{width:min(600px,100% - 40px);padding-top:64px;padding-bottom:80px}.account-page>h1{letter-spacing:-.025em;margin:0 0 16px;font-size:2rem;line-height:1.2}.education-app>main>.inner-page.account-page{width:min(680px,100% - 48px);max-width:680px;margin-inline:auto;padding-inline:0}.education-app>main>.education-account-links{width:min(680px,100% - 48px);max-width:680px;margin-inline:auto}.account-steps{border-bottom:1px solid var(--line);color:var(--muted);gap:16px;margin:0 0 28px;padding:0 0 22px;font-size:14px;list-style:none;display:flex}.account-steps li{flex:1;align-items:center;gap:10px;display:flex}.account-steps li:before{content:"1";background:var(--lavender);width:28px;height:28px;color:var(--accent);font-variant-numeric:tabular-nums;border-radius:50%;flex:none;place-items:center;font-size:13px;display:grid}.account-steps li[aria-current]{color:var(--ink);font-weight:600}.account-steps li[aria-current]:before{content:"2";background:var(--accent);color:var(--card)}.account-page>p{color:var(--muted);margin:0 0 26px;font-size:17px;line-height:1.7}.account-page .acct-note{margin:10px 0 22px;font-size:14px;line-height:1.7}.account-page a:not(.button){text-underline-offset:3px}.account-page .acct-note a{text-decoration:underline}.account-page .acct-form>label{margin-top:22px}.account-page .acct-form input:read-only{background:var(--paper);color:var(--muted)}.account-page .acct-primary{justify-content:center;width:100%;min-height:52px}.account-page .acct-privacy{color:var(--muted);margin-top:25px}.account-page button:focus-visible,.account-page input:focus-visible,.account-page summary:focus-visible,.account-page a:focus-visible{outline:3px solid var(--purple);outline-offset:3px}.account-page button:disabled{opacity:.6;cursor:wait}.account-back{align-items:center;gap:8px;width:fit-content;margin-top:26px;font-size:15px;display:flex}.account-contact-approval{border-top:1px solid var(--line);color:var(--ink);margin:20px 0;padding-top:20px;font-size:14px;line-height:1.7}.account-confirmed-email{color:var(--muted);overflow-wrap:anywhere;margin:0 0 20px;line-height:1.65}.account-confirmed-email strong{color:var(--ink);font-weight:550}.account-optional-details{border-block:1px solid var(--line);padding:12px 0}.account-optional-details summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:44px;font-size:15px;list-style:none;display:flex}.account-optional-details summary::-webkit-details-marker{display:none}.account-optional-details[open] summary svg{transform:rotate(180deg)}.account-optional-details>div{gap:10px;padding-top:16px;display:grid}.account-optional-details label{margin-top:8px;font-size:14px}.account-page .acct-form .account-contact-choice{cursor:pointer;align-items:flex-start;gap:12px;font-size:14px;line-height:1.6;display:flex}.account-page .acct-form .account-contact-choice input{width:20px;height:20px;min-height:20px;accent-color:var(--accent);flex:none;margin:2px 0 0;padding:0}.account-contact-choice+.acct-note{margin:8px 0 0 32px}.account-contact-extension{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.account-contact-extension h3{margin:0 0 12px;font-size:18px}.account-settings-section{border-top:1px solid var(--line);padding:27px 0}.account-settings-section h2{margin:0 0 17px;font-size:23px}.account-settings-section p{color:var(--muted);font-size:15px;line-height:1.75}.account-settings-section strong{color:var(--ink);font-weight:550}.account-consent-setting{max-width:100%;min-height:44px;color:var(--ink);font:inherit;text-align:left;text-underline-offset:4px;cursor:pointer;background:0 0;border:0;border-radius:3px;align-items:center;padding:8px 0;font-size:15px;font-weight:500;line-height:1.5;text-decoration:underline;text-decoration-thickness:1px;display:inline-flex}.account-consent-setting:hover:not(:disabled){color:var(--accent);text-decoration-thickness:2px}.account-contact-settings .acct-note{margin-top:4px;margin-bottom:0}.account-details{margin:0}.account-details>div{grid-template-columns:130px minmax(0,1fr);gap:16px;padding:9px 0;font-size:16px;line-height:1.6;display:grid}.account-details dt{color:var(--muted)}.account-details dd{overflow-wrap:anywhere;margin:0}.account-password-settings summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:48px;font-weight:550;list-style:none;display:flex}.account-password-settings summary::-webkit-details-marker{display:none}.account-password-settings[open] summary svg{transform:rotate(180deg)}.account-password-settings form{padding:0 0 12px}.account-password-settings .button{margin-top:22px}.account-settings-section .account-success{color:#225a39}.account-callback .acct-error{margin-bottom:24px}@media (width<=480px){.account-page{padding-top:38px}.account-details>div{grid-template-columns:1fr;gap:2px}}@media (width<=400px){.education-app>main>.inner-page.account-page,.education-app>main>.education-account-links{width:calc(100% - 32px)}.account-steps{gap:10px;font-size:13px}.account-steps li{gap:7px}}.account-subscription .account-subscription-warning{border:1px solid var(--warn-line);border-radius:var(--radius-control);background:var(--warn-bg);margin:0 0 12px;padding:12px 14px}.account-subscription .account-subscription-warning strong{color:var(--warn-ink)}.account-subscription .acct-error{margin:0 0 16px}.course-visual-showcase{border-top:1px solid var(--line);grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:8%;padding-block:64px 72px;display:grid}.course-visual-copy h2{margin:0 0 22px}.course-visual-copy>p{max-width:46ch;font-size:17px;line-height:1.8}.course-visual-choices{margin-block:28px 24px;display:grid}.course-visual-choices button{border:0;border-top:1px solid var(--line);min-height:60px;color:var(--muted);font:inherit;text-align:left;cursor:pointer;background:0 0;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;font-weight:550;display:flex}.course-visual-choices button:last-child{border-bottom:1px solid var(--line)}.course-visual-choices button[aria-pressed=true]{color:var(--accent);font-weight:700}.course-visual-choices button:hover{color:var(--ink)}.course-visual-choices button:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.course-visual-copy .course-visual-method{color:var(--muted);font-size:15px}.course-visual-example{min-width:0}.course-visual-example h3{letter-spacing:-.02em;margin:0 0 12px;font-size:25px;line-height:1.3}.course-visual-example>p{margin:0 0 20px;font-size:16px;line-height:1.75}.course-visual-example figure{margin:0}.course-visual-example img{border-radius:8px;width:100%;height:auto;display:block}.course-visual-example figcaption{padding-top:12px}.course-visual-example figcaption p{margin:0 0 8px;font-size:16px;line-height:1.7}.course-visual-example figcaption small{color:var(--muted);font-size:12px;line-height:1.7}.course-visual-example .text-link{min-height:48px;margin-top:12px;font-size:15px}.course-visual-relations{margin:20px 0 0;padding:0;list-style:none}.course-visual-relations li{border-top:1px solid var(--line);padding:14px 0;font-size:16px;line-height:1.6}.course-visual-relations strong{color:var(--accent);align-items:center;gap:10px;display:flex}.course-visual-relations span{margin-top:4px;display:block}.course-chapter-visual{max-width:760px;margin:0 0 40px}.course-chapter-visual img{object-fit:contain;background:var(--surface);border-radius:8px;width:100%;max-height:420px;display:block}.course-chapter-visual figcaption{padding-top:12px;line-height:1.7}.course-chapter-visual figcaption p{margin:0 0 6px;font-size:16px}.course-chapter-visual small{color:var(--muted);font-size:12px}@media (width<=760px){.course-visual-showcase{grid-template-columns:1fr;gap:24px;padding-block:36px 40px}.course-visual-copy>p{max-width:none;font-size:16px}.course-visual-choices{margin-block:20px 16px}.course-visual-choices button{min-height:52px;padding:13px 0}.course-visual-example h3{font-size:23px}}.page-width.catalog-page{max-width:1200px}.catalog-hero{grid-template-columns:minmax(0,.95fr) minmax(0,1.1fr);align-items:center;gap:clamp(32px,5vw,72px);padding:18px 0 48px;display:grid}.catalog-hero-copy h1{letter-spacing:-.035em;text-wrap:balance;margin:0 0 24px;font-size:clamp(40px,4.7vw,64px);font-weight:550;line-height:1.06}.catalog-hero-copy h1 span{color:var(--accent)}.catalog-hero-copy>p{max-width:43ch;margin:0;font-size:18px;line-height:1.8}.catalog-start{margin-top:28px}.catalog-start .button{min-height:54px;font-size:16px}.catalog-start p{color:var(--muted);margin:12px 0 0;font-size:13px;line-height:1.7}.catalog-guest-link{min-height:44px;color:var(--ink);text-underline-offset:4px;align-items:center;margin-top:4px;font-size:15px;text-decoration:underline;display:inline-flex}.catalog-guest-link:hover{color:var(--accent)}.catalog-jump{min-height:44px;margin-top:8px;font-size:14px}.catalog-preview{background:#fff;border-radius:16px;min-width:0;margin:0;overflow:hidden;box-shadow:0 18px 48px -16px #243d2d30}.catalog-preview-top{color:#fff;background:#243f31;justify-content:space-between;align-items:center;gap:12px;padding:17px 24px;font-size:12px;display:flex}.catalog-preview-top span:last-child{color:#d4e2d7}.catalog-preview-body{padding:24px 24px 0}.catalog-preview-body h2{letter-spacing:-.025em;margin:0 0 18px;font-size:24px;font-weight:550;line-height:1.3}.catalog-preview-image{aspect-ratio:3/2;background:var(--surface);border-radius:8px;position:relative;overflow:hidden}.catalog-preview-image img{object-fit:contain;width:100%;height:100%;display:block}.catalog-preview-mark{border:3px solid #fff;border-radius:50%;outline:1px solid #243f31;width:13%;height:41%;position:absolute;top:15%;left:73%}.catalog-preview-explanation{padding:18px 0 0}.catalog-preview-explanation strong{font-size:16px;font-weight:600;display:block}.catalog-preview-explanation p{color:var(--muted);margin:6px 0 0;font-size:14px;line-height:1.7}.catalog-preview figcaption{color:var(--muted);padding:16px 24px 20px;font-size:12px;line-height:1.8}.catalog-preview figcaption a{color:var(--accent);text-underline-offset:3px;align-items:center;gap:7px;min-height:32px;text-decoration:underline;display:flex}.catalog-study-flow{border-block:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin:0;padding:28px 0 32px;list-style:none;display:grid}.catalog-study-flow li{align-items:baseline;gap:14px;display:flex}.catalog-study-flow li>span{color:var(--accent);font-variant-numeric:tabular-nums;font-size:13px}.catalog-study-flow strong{font-size:17px;font-weight:550;display:block}.catalog-study-flow p{color:var(--muted);margin:7px 0 0;font-size:14px;line-height:1.75}.catalog-content{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:start;gap:clamp(32px,7vw,100px);margin:80px 0;display:grid}.catalog-content-intro h2,.catalog-pricing h2{letter-spacing:-.03em;text-wrap:balance;margin:0 0 22px;font-size:clamp(30px,3.3vw,42px);line-height:1.15}.catalog-content-intro p{max-width:40ch;margin:0 0 18px;font-size:16px;line-height:1.8}.catalog-content-intro .catalog-content-hint{color:var(--muted);font-size:13px}.catalog-outline{min-width:0}.catalog-page div.catalog-tools{border:0;margin:0 0 24px;padding:0;display:block}.catalog-page .catalog-tools .search-box{border-radius:8px;width:100%;min-height:50px}.catalog-page .search-box input{font-size:16px}.catalog-page .search-box button{min-width:40px;height:44px;color:var(--muted);background:0 0;border:0;place-items:center;display:grid}.catalog-phases{border-top:1px solid var(--line)}.catalog-phase{border-bottom:1px solid var(--line)}.catalog-phase summary{cursor:pointer;align-items:flex-start;gap:18px;padding:24px 4px;list-style:none;display:flex}.catalog-phase summary::-webkit-details-marker{display:none}.catalog-footnotes summary::-webkit-details-marker{display:none}.catalog-phase summary>div{flex:1;min-width:0}.catalog-phase-number{width:30px;height:30px;color:var(--accent);font-variant-numeric:tabular-nums;background:#e6ede5;border-radius:50%;flex-shrink:0;place-items:center;font-size:13px;display:grid}.catalog-phase summary h3{letter-spacing:-.02em;margin:0 0 6px;font-size:21px;font-weight:550;line-height:1.4}.catalog-phase summary p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.catalog-phase-range{color:var(--muted);margin-top:8px;font-size:12px;display:block}.catalog-phase-range>span{margin-top:3px;line-height:1.6;display:block}.catalog-phase summary>svg{flex-shrink:0;margin-top:6px}.catalog-phase[open] summary>svg{transform:rotate(180deg)}.catalog-phase summary:hover h3{color:var(--accent)}.catalog-phase summary:focus-visible{outline-offset:3px;border-radius:4px}.catalog-phase .chapter-list{border-top:0;margin:0 4px 20px 52px}.catalog-page .chapter-row{border-bottom:0;border-top:1px solid var(--line);align-items:flex-start;gap:14px;padding:20px 0 12px}.catalog-page .chapter-row-number{flex:0 0 20px;padding:2px 0 0;font-size:12px}.catalog-page .chapter-row h4{letter-spacing:-.01em;margin:0 0 6px;font-size:17px;font-weight:550;line-height:1.5}.catalog-page .chapter-row p{margin:0 0 8px;font-size:14px;line-height:1.7;display:block}.catalog-page .chapter-row-meta{color:var(--muted);font-size:12px}.catalog-page .chapter-row>svg{margin-top:4px}.catalog-page .chapter-row:hover h4{text-underline-offset:4px;text-decoration:underline}.catalog-page .chapter-row:focus-visible{outline-offset:4px}.catalog-lesson-list{margin:0 0 20px 34px;padding:0;list-style:none}.catalog-lesson-list a{align-items:baseline;gap:12px;min-height:44px;padding:9px 0;font-size:14px;line-height:1.65;display:flex}.catalog-lesson-list a>span:nth-child(2){flex:1;min-width:0}.catalog-lesson-number{color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 14px;font-size:11px}.catalog-lesson-list svg{color:var(--muted);flex-shrink:0;align-self:center}.catalog-lesson-list a:hover{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.catalog-lesson-list a:focus-visible{outline-offset:3px}.catalog-trial-label{color:var(--accent);font-size:12px;font-weight:550;display:block}.catalog-lesson-meta{color:var(--muted);margin-top:4px;font-size:12px;line-height:1.7;display:block}.catalog-lesson-meta>span{display:block}.catalog-lesson-result h3,.catalog-info-result h3{margin:0 0 8px;font-size:19px;font-weight:550;line-height:1.4}.catalog-lesson-result:hover h3,.catalog-info-result:hover h3{text-underline-offset:4px;text-decoration:underline}.catalog-lesson-result .catalog-access-tag{margin-top:8px;font-size:13px;display:block}.catalog-lesson-result .catalog-search-excerpt{color:var(--muted);margin:12px 0 0;font-size:15px;line-height:1.7}.catalog-info-results{margin-bottom:24px}.catalog-info-result{background:var(--surface);border-radius:12px;align-items:center;gap:16px;padding:20px;display:flex}.catalog-info-result+.catalog-info-result{margin-top:12px}.catalog-info-result>div{flex:1;min-width:0}.catalog-info-result>svg{flex-shrink:0}.catalog-info-result span{color:var(--muted);font-size:13px}.catalog-info-result p{margin:8px 0 0;font-size:14px;line-height:1.7}.catalog-search-loading{gap:20px;padding:20px 0 28px;display:grid}.catalog-search-loading>span{background:var(--surface);border-radius:6px;height:62px}.catalog-pricing{background:#edf2eb;border-radius:16px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(32px,6vw,80px);padding:clamp(24px,4vw,48px);display:grid}.catalog-pricing-intro>p{max-width:44ch;margin:0 0 22px;font-size:16px;line-height:1.8}.catalog-pricing h3{letter-spacing:-.025em;margin:0 0 14px;font-size:23px;line-height:1.3}.catalog-full-access>p{margin:0 0 18px;font-size:15px;line-height:1.8}.catalog-plan-list{flex-wrap:wrap;gap:20px 36px;margin:24px 0;display:flex}.catalog-plan-list p{margin:0}.catalog-plan-list strong{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:38px;font-weight:550;line-height:1.2;display:block}.catalog-plan-list strong span{letter-spacing:0;font-size:18px}.catalog-plan-list p>span{color:#475d49;margin-top:8px;font-size:13px;display:block}.catalog-pricing .catalog-price-note{color:#475d49;max-width:48ch;margin:16px 0 0;font-size:13px;line-height:1.8}.catalog-full-access>.text-link{min-height:44px;margin-top:10px;font-size:14px}.catalog-school{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:32px;padding:36px 0;display:flex}.catalog-school>div{max-width:70ch}.catalog-school h2{letter-spacing:-.02em;margin:0 0 10px;font-size:21px;line-height:1.4}.catalog-school p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.catalog-school>.text-link{flex-shrink:0;min-height:44px;font-size:15px}.catalog-footnotes{max-width:80ch;color:var(--muted);margin-top:28px}.catalog-footnotes p{margin:0 0 10px;font-size:12px;line-height:1.8}.catalog-footnotes a{text-underline-offset:3px;text-decoration:underline}.catalog-footnotes summary{cursor:pointer;align-items:center;gap:8px;min-height:44px;font-size:12px;list-style:none;display:inline-flex}.catalog-content h2,.catalog-phase h3{scroll-margin-top:110px}@media (prefers-reduced-motion:no-preference){.catalog-preview-mark{animation:.65s cubic-bezier(.16,1,.3,1) both catalog-mark-reveal}.catalog-phase summary>svg{transition:transform .18s cubic-bezier(.16,1,.3,1)}@keyframes catalog-mark-reveal{0%{clip-path:inset(0 0 100%)}to{clip-path:inset(-4px)}}}@media (width<=950px){.catalog-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.catalog-hero-copy h1{font-size:43px}.catalog-hero-copy>p{font-size:16px}.catalog-preview-body{padding:20px 18px 0}.catalog-preview-body h2{font-size:21px}.catalog-preview-top,.catalog-preview figcaption{padding-inline:18px}.catalog-study-flow{gap:24px}.catalog-content{grid-template-columns:minmax(0,.65fr) minmax(0,1fr);gap:36px}.catalog-pricing{gap:36px}.catalog-school{flex-direction:column;align-items:flex-start;gap:12px}}@media (width<=700px){.catalog-hero{grid-template-columns:1fr;gap:32px;padding-top:4px;padding-bottom:32px}.catalog-hero-copy h1{max-width:17ch;margin-bottom:20px;font-size:clamp(38px,7.5vw,52px)}.catalog-hero-copy>p{max-width:48ch}.catalog-start{margin-top:22px}.catalog-start .button{width:100%;max-width:380px}.catalog-preview{justify-self:center;width:100%;max-width:540px}.catalog-preview-top{padding-block:14px}.catalog-preview-body h2{font-size:24px}.catalog-study-flow{grid-template-columns:1fr;gap:22px;padding:28px 0}.catalog-study-flow li{gap:16px}.catalog-study-flow p{max-width:45ch;margin-top:4px}.catalog-content{grid-template-columns:1fr;gap:22px;margin:48px 0}.catalog-content-intro h2{margin-bottom:18px}.catalog-content-intro h2 br{display:none}.catalog-content-intro p{max-width:50ch;margin-bottom:12px;font-size:15px}.catalog-content-intro .catalog-content-hint{margin-bottom:0}.catalog-phase summary{gap:12px;padding:22px 0}.catalog-phase summary h3{font-size:20px}.catalog-phase .chapter-list{margin-left:0;margin-right:0}.catalog-pricing{grid-template-columns:1fr;gap:28px;padding:28px 24px}.catalog-pricing-intro>.button{width:100%}.catalog-full-access{border-top:1px solid #c9d5c7;padding-top:28px}.catalog-pricing h2{font-size:31px}.catalog-pricing h3{font-size:22px}.catalog-school{padding:28px 0}}@media (width<=360px){.catalog-hero-copy h1{font-size:37px}.catalog-preview-top{gap:8px;padding-inline:14px;font-size:11px}.catalog-preview-body{padding:18px 14px 0}.catalog-preview-body h2{font-size:21px}.catalog-preview figcaption{padding-inline:14px}.catalog-phase summary h3{font-size:18px}.catalog-phase summary>svg{width:17px}.catalog-pricing{padding:24px 18px}.catalog-pricing .button{gap:8px;padding-inline:12px;font-size:14px}}.catalog-lesson-meta .film-badge{border:1px solid var(--line);background:var(--card);font-size:var(--text-meta);color:var(--muted);white-space:nowrap;border-radius:999px;align-self:flex-start;align-items:center;margin-top:4px;padding:1px 8px;font-weight:400;line-height:1.4;display:inline-flex}.guest-challenge{padding-block:var(--landing-space,72px);scroll-margin-top:96px}.guest-challenge-lead{max-width:62ch;font-size:var(--text-read);text-wrap:pretty;margin:12px 0 0;line-height:1.6}.guest-challenge-columns{grid-template-columns:var(--landing-columns,minmax(0,8fr) minmax(0,4fr));align-items:start;gap:28px var(--landing-gap,64px);margin-top:var(--landing-head-gap,36px);display:grid}.guest-challenge-columns>*{min-width:0}.guest-challenge-more>p{text-wrap:pretty;margin:0;font-size:16px;line-height:1.7}.guest-challenge-more>.landing-link{margin-top:4px}.guest-challenge .guest-challenge-note{color:var(--muted);font-size:13px;line-height:1.8}.guest-challenge-exercise{background:var(--surface);border-radius:16px;min-width:0;padding:28px}.guest-challenge-progress{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;font-size:12px;display:flex}.guest-challenge-progress ol{gap:6px;margin:0;padding:0;list-style:none;display:flex}.guest-challenge-progress li{background:var(--border-strong);border-radius:2px;width:24px;height:4px}.guest-challenge-progress li.is-answered{background:var(--accent)}.guest-challenge-progress li[aria-current]{outline:1px solid var(--accent);outline-offset:2px}.guest-challenge-heading{letter-spacing:-.02em;margin:0 0 20px;scroll-margin-top:120px;font-size:21px;line-height:1.5}.guest-challenge-heading:focus{outline:none}.guest-challenge-heading:focus-visible{outline:2px solid var(--accent);outline-offset:6px;border-radius:2px}.guest-challenge-context{color:var(--accent);margin:0 0 10px;font-size:13px}.guest-challenge-options{gap:10px;display:grid}.guest-challenge-options--photos{grid-template-columns:1fr 1fr;gap:14px}.guest-challenge-options button{border:1px solid var(--border-strong);background:var(--card);width:100%;min-width:0;color:var(--ink);text-align:left;border-radius:10px;padding:0;display:block;overflow:hidden}.guest-challenge-options button:not(:disabled):hover{border-color:var(--accent)}.guest-challenge-options button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.guest-challenge-options button:disabled{cursor:default;opacity:1}.guest-challenge-options button.is-correct{border-color:var(--accent);outline:1px solid var(--accent);outline-offset:0}.guest-challenge-options button.is-incorrect{outline-offset:0;border-color:#93602b;outline:1px solid #93602b}.guest-challenge-photo{aspect-ratio:1.5;background:var(--card);display:block}.guest-challenge-photo img{object-fit:contain;width:100%;height:100%;display:block}.guest-challenge-choice{align-items:center;gap:12px;min-height:56px;padding:13px 14px;font-size:14px;line-height:1.5;display:flex}.guest-challenge-letter{border:1px solid var(--border-strong);border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:12px;display:grid}.is-correct .guest-challenge-letter{background:var(--accent);color:var(--card);border-color:var(--accent)}.is-incorrect .guest-challenge-letter{color:#fff;background:#93602b;border-color:#93602b}.guest-challenge-feedback{color:var(--muted);margin-top:20px;font-size:14px;line-height:1.8}.guest-challenge-feedback.has-answer{border-top:1px solid var(--border-strong);padding-top:16px}.guest-challenge-feedback strong{color:var(--ink);margin-bottom:6px;font-size:15px;display:block}.guest-challenge-feedback p{margin:0}.guest-challenge-advance{margin-top:20px}.guest-challenge-result-copy{font-size:16px;line-height:1.8}.guest-challenge-next{border-top:1px solid var(--border-strong);margin-top:22px;padding-top:22px}.guest-challenge-next>strong{letter-spacing:-.02em;font-size:19px;line-height:1.5}.guest-challenge-next>p{margin:10px 0 18px;font-size:14px;line-height:1.8}.guest-challenge-next .button{text-align:center;gap:12px;width:100%;min-height:54px;font-size:14px}.guest-challenge-next .button svg{flex-shrink:0}.guest-challenge-next>p.guest-challenge-note{margin:12px 0 0;font-size:12px}.guest-challenge-restart{color:var(--ink);text-underline-offset:4px;background:0 0;border:0;align-items:center;gap:9px;min-height:44px;margin-top:14px;padding:0;font-size:13px;text-decoration:underline;display:flex}.guest-challenge-sources{color:var(--muted);margin-top:14px;font-size:12px}.guest-challenge-sources summary{cursor:pointer;text-underline-offset:3px;align-items:center;min-height:44px;text-decoration:underline;display:flex}.guest-challenge-sources p{margin:10px 0;font-size:12px;line-height:1.8}.guest-challenge-sources a{text-underline-offset:3px;text-decoration:underline}@media (width<=1000px){.guest-challenge-columns{grid-template-columns:minmax(0,1fr)}.guest-challenge-more{max-width:560px}.guest-challenge-exercise{padding:22px}}@media (width<=760px){.guest-challenge-columns{gap:20px}.guest-challenge-exercise{padding:22px 18px 14px}.guest-challenge-heading{font-size:20px}.guest-challenge-options--photos{gap:10px}.guest-challenge-choice{gap:9px;padding:12px 10px}}@media (width<=380px){.guest-challenge-exercise{padding-inline:14px}.guest-challenge-progress li{width:18px}.guest-challenge-options--photos .guest-challenge-choice{gap:7px;padding-inline:8px;font-size:12px}.guest-challenge-options--photos .guest-challenge-letter{width:22px;height:22px}.guest-challenge-next .button{padding-inline:12px}}.landing-film-band{padding-block:var(--landing-space,72px);background:var(--accent-hover);color:var(--paper);overflow-x:clip}.landing-film-band ::selection{background:var(--paper);color:var(--ink)}section.landing-film-band h2[id]{scroll-margin-top:calc(66px + var(--landing-space,72px))}section.landing-film-band :is(a,h2,[role=tab]):focus-visible{outline:3px solid var(--paper);outline-offset:4px}.landing-film-band-lead{max-width:62ch;color:var(--on-dark-muted);font-size:var(--text-read);text-wrap:pretty;margin:12px 0 0;line-height:1.6}.landing-film-band-lead>a{color:var(--paper);text-underline-offset:4px;padding-block:6px;text-decoration:underline}.landing-film-band-lead>a:hover{text-decoration-thickness:2px}section.landing-film-band .landing-film-band-lead>a:focus-visible{outline-offset:0;border-radius:2px}.landing-film-band-main{grid-template-columns:var(--landing-columns,minmax(0,8fr) minmax(0,4fr));column-gap:var(--landing-gap,64px);margin-top:var(--landing-head-gap,36px);align-items:start;display:grid}.landing-film-band-main>*{grid-column:1;min-width:0}.landing-film-band-main>.landing-film-band-start{grid-area:1/2;align-self:center}.landing-film-band-main>.landing-film-band-start--entry{align-self:start}.landing-film-band .landing-intro-video-error{color:var(--paper)}.landing-film-band-panel{container-type:inline-size}.landing-film-band .landing-intro-video-play-icon{width:clamp(36px,12.4cqw,84px);height:clamp(36px,12.4cqw,84px)}.landing-film-band .landing-intro-video-play-icon svg{width:42%;height:42%}.landing-film-band .landing-intro-video-play-label{white-space:nowrap;position:absolute;bottom:clamp(8px,3.4cqw,24px);left:50%;transform:translate(-50%)}.landing-film-band-outgoing{object-fit:cover;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.landing-film-band-outgoing.is-leaving{animation:landing-film-out .28s var(--motion-ease) forwards}@keyframes landing-film-out{to{opacity:0}}.landing-film-tabs{flex-wrap:wrap;gap:0 28px;margin-top:10px;display:flex}.landing-film-tab{min-height:44px;color:var(--on-dark-muted);font:inherit;font-size:var(--text-ui);text-align:left;text-underline-offset:4px;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:0;font-weight:600;line-height:1.4;text-decoration:underline;display:inline-flex}.landing-film-tab:hover{color:var(--paper)}.landing-film-tab[aria-selected=true]{color:var(--paper);cursor:default;text-decoration:none}.landing-film-tab-mark{border:1px solid;border-radius:50%;flex-shrink:0;place-items:center;width:22px;height:22px;display:grid}.landing-film-tab-mark>svg{margin-left:1px}.landing-film-tab[aria-selected=true] .landing-film-tab-mark{border-color:var(--paper);background:var(--paper);color:var(--accent-hover)}.landing-film-tab-length{white-space:nowrap}.landing-film-band-note{color:var(--on-dark-muted);font-size:var(--text-meta);margin:4px 0 0;line-height:1.5}.landing-film-band-start>h3{font-size:var(--text-display);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.25}.landing-film-band-scope{color:var(--on-dark-muted);font-size:var(--text-ui);font-variant-numeric:tabular-nums;margin:8px 0 0;line-height:1.5}.landing-film-band-promise,.landing-film-band-entry{max-width:46ch;color:var(--paper);text-wrap:pretty;margin:16px 0 0;font-size:16px;line-height:1.6}.landing-film-band-entry{margin-top:0}.landing-film-band-actions{flex-direction:column;align-items:flex-start;gap:6px;margin-top:24px;display:flex}.landing-film-band .landing-link{color:var(--paper)}.landing-film-band .landing-link:hover{color:var(--on-dark-muted)}.landing-film-shelf{border-top:1px solid color-mix(in srgb,var(--paper) 22%,var(--accent-hover));margin-top:clamp(36px,5vw,56px);padding-top:clamp(28px,4vw,40px)}.landing-film-shelf-head{flex-wrap:wrap;align-items:baseline;gap:4px 20px;display:flex}.landing-film-shelf-head>h3{font-size:var(--text-read);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.3}.landing-film-shelf-head>p{color:var(--on-dark-muted);font-size:var(--text-ui);font-variant-numeric:tabular-nums;margin:0;line-height:1.5}.landing-film-shelf-list{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:16px;margin:20px 0 0;padding:0;list-style:none;display:grid}.landing-film-shelf-item{border-radius:var(--radius-control);color:var(--paper);display:block}.landing-film-shelf-item>img{aspect-ratio:16/9;border-radius:var(--radius-control);background:var(--paper);width:100%;height:auto;display:block}.landing-film-shelf-caption{font-size:var(--text-ui);text-wrap:pretty;flex-direction:column;gap:2px;padding-top:10px;font-weight:600;line-height:1.35;display:flex}.landing-film-shelf-meta{color:var(--on-dark-muted);font-size:var(--text-meta);font-variant-numeric:tabular-nums;font-weight:400}.landing-film-shelf-item:hover .landing-film-shelf-name{text-underline-offset:4px;text-decoration:underline}@media (prefers-reduced-motion:no-preference){.landing-film-tab,.landing-film-tab-mark{transition:color var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease)}}@media (width<=1100px){.landing-film-shelf-list{overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--on-dark-muted) transparent;gap:12px;margin:12px calc(50% - 50vw) 0;padding:8px calc(50vw - 50%);display:flex;overflow-x:auto}.landing-film-shelf-list>li{scroll-snap-align:center;flex:0 0 min(72%,260px)}}@media (width<=1000px){.landing-film-band-main{grid-template-columns:minmax(0,1fr)}.landing-film-band-main>.landing-film-band-start{grid-area:auto/1;align-self:start;max-width:560px;margin-top:32px}.landing-film-band-start>h3{font-size:var(--text-title)}}@media (width<=600px){.landing-film-tabs{flex-direction:column;align-items:flex-start;margin-top:6px}.landing-film-band-main>.landing-film-band-start{margin-top:28px}}@media (width<=480px){.landing-film-band-actions{align-items:stretch}.landing-film-band-actions>.landing-link{align-self:flex-start}}.landing{--landing-space:clamp(44px,6.5vw,88px);--landing-gap:clamp(32px,5vw,64px);--landing-head-gap:clamp(24px,3.4vw,40px);--landing-columns:minmax(0,8fr) minmax(0,4fr)}.landing :is(h1,h2,h3){text-wrap:balance}.landing :is(.button,.landing-link){overflow-wrap:anywhere}.landing h2{font-size:clamp(var(--text-display),2.9vw,var(--text-page));letter-spacing:-.025em;margin:0;line-height:1.2}.landing :is(h2,h3)[id]{scroll-margin-top:112px}.landing>section.page-width+section.page-width{border-top:1px solid var(--line)}.landing-columns{grid-template-columns:var(--landing-columns);align-items:start;gap:40px var(--landing-gap);margin-top:var(--landing-head-gap);display:grid}.landing-columns>*{min-width:0}.landing .button{font-size:var(--text-ui)}.landing .button-primary{background:var(--accent);color:var(--card)}.landing .button-primary:hover{background:var(--accent-hover)}.landing-link{min-height:44px;color:var(--ink);text-underline-offset:4px;align-items:center;gap:10px;font-size:16px;font-weight:600;line-height:1.4;text-decoration:underline;display:inline-flex}.landing-link:hover{color:var(--accent)}.landing-link svg{flex-shrink:0}.landing-hero{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);align-items:center;gap:5%;padding-block:56px;display:grid}.landing-copy{min-width:0}.landing-copy h1{font-family:var(--display);letter-spacing:-.04em;margin:0 0 24px;font-size:clamp(48px,5.2vw,72px);font-weight:600;line-height:1.06}.landing-intro{max-width:43ch;margin:0 0 32px;font-size:20px;line-height:1.6}.landing-start-actions{flex-wrap:wrap;align-items:flex-start;gap:12px 24px;display:flex}.landing-primary-action{display:contents}.landing-start .button{gap:12px;min-height:60px;padding:16px 24px;font-size:17px}.landing-start .button svg{flex-shrink:0}.landing-primary-action>p{text-wrap:pretty;flex-basis:100%;order:3;max-width:44ch;margin:0;font-size:14px;line-height:1.5}.landing-start .landing-link{min-height:60px}.landing-course-facts{border-top:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:8px 20px;margin:28px 0 0;padding:24px 0 0;font-size:16px;line-height:1.5;list-style:none;display:flex}.landing-course-facts li{white-space:nowrap}.landing-image{min-width:0}.landing-image>img{aspect-ratio:6/5;object-fit:cover;object-position:center;border-radius:var(--radius-panel);width:100%;height:auto;display:block}.landing-course,.landing-questions,.landing-school-partners{padding-block:var(--landing-space)}.landing-course-part+.landing-course-part{margin-top:32px}.landing-course-part>h3{color:var(--accent);font-size:var(--text-ui);letter-spacing:0;margin:0 0 8px;font-weight:600;line-height:1.4}.landing-course-part>ul{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.landing-course-part li{border-bottom:1px solid var(--line)}.landing-chapter{min-height:56px;color:var(--ink);align-items:center;gap:12px;padding-block:10px;display:flex}.landing-chapter:focus-visible{outline-offset:0;border-radius:var(--radius-control)}.landing-chapter-number{color:var(--muted);font-size:var(--text-ui);font-variant-numeric:tabular-nums;flex:0 0 24px;line-height:1.3}.landing-chapter-name{min-width:0;font-size:var(--text-read);letter-spacing:-.01em;font-weight:600;line-height:1.3}.landing-chapter-meta{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.landing-chapter-free{color:var(--accent);font-size:var(--text-meta);font-weight:600;line-height:1.3}.landing-chapter-count{color:var(--muted);font-size:var(--text-ui);white-space:nowrap;font-variant-numeric:tabular-nums;margin-left:auto;line-height:1.3}.landing-chapter>svg{color:var(--muted);flex-shrink:0}.landing-chapter:hover .landing-chapter-name{text-underline-offset:4px;text-decoration:underline}.landing-chapter:hover>svg{color:var(--ink)}.landing-course-price{scroll-margin-top:112px}.landing-price-group+.landing-price-group{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.landing-price-group>dl{margin:0}.landing-price-group dt{color:var(--muted);font-size:var(--text-ui);line-height:1.4}.landing-price-group dd{font-size:var(--text-title);letter-spacing:-.01em;font-variant-numeric:tabular-nums;text-wrap:balance;margin:2px 0 0;font-weight:600;line-height:1.3}.landing-course-scope{font-variant-numeric:tabular-nums;text-wrap:pretty;margin:8px 0 0;font-size:16px;line-height:1.6}.landing-course-note{text-wrap:pretty;margin:16px 0 0;font-size:14px;line-height:1.6}.landing-price-group>.landing-course-note{margin-top:8px}.landing-price-group>.button{margin-top:16px}.landing-course-price>.landing-link{width:fit-content;margin-top:8px;display:flex}.landing-find-school{background:var(--surface);border-radius:var(--radius-panel);min-width:0;margin-top:32px;padding:28px}.landing-find-school>h3{font-size:var(--text-title);letter-spacing:-.01em;margin:0 0 12px;line-height:1.3}.landing-find-school>p{margin:0 0 24px;font-size:16px;line-height:1.7}.landing-school-search>label{font-size:var(--text-ui);margin-bottom:10px;font-weight:600;display:block}.landing-school-search>div{background:var(--card);border:1px solid var(--border-strong);border-radius:var(--radius-control);flex-wrap:wrap;align-items:center;gap:10px;padding:10px;display:flex}.landing-school-search svg{flex-shrink:0}.landing-school-search>div>svg{color:var(--muted);margin-left:6px}.landing-school-search input{background:0 0;border:0;flex:1;width:100px;min-width:80px;min-height:44px;font-size:16px}.landing-school-search input:focus-visible{outline-offset:2px}.landing-school-search .button{flex-basis:100%;min-height:50px}.landing-school-search>p{margin:14px 0 0;font-size:14px;line-height:1.6}.landing-school-partners{justify-content:space-between;align-items:center;gap:32px;display:flex}.landing-school-partners p{max-width:66ch;margin:12px 0 0;font-size:16px;line-height:1.7}.landing-school-partners>.button{flex-shrink:0}.landing-questions-list>details{border-top:1px solid var(--line)}.landing-questions-list>details:last-child{border-bottom:1px solid var(--line)}.landing-questions-list summary{cursor:pointer;min-height:64px;font-size:var(--text-read);justify-content:space-between;align-items:center;gap:20px;padding-block:16px;font-weight:600;line-height:1.35;list-style:none;display:flex}.landing-questions-list summary::-webkit-details-marker{display:none}.landing-questions-list summary:hover{color:var(--accent)}.landing-questions-list summary svg{color:var(--muted);flex-shrink:0}.landing-questions-list details[open]>summary svg{transform:rotate(180deg)}.landing-questions-list details>div{max-width:65ch;padding-bottom:20px;font-size:16px;line-height:1.7}.landing-questions-list details>div>p{text-wrap:pretty;margin:0 0 8px}.landing-questions-list details>div>.landing-link{width:fit-content;display:flex}.landing-about{border-top:1px solid var(--line);padding-top:20px}.landing-about>h3{font-size:var(--text-read);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.3}.landing-about>p{text-wrap:pretty;margin:10px 0 4px;font-size:16px;line-height:1.7}@media (prefers-reduced-motion:no-preference){.landing-questions-list summary svg{transition:transform var(--motion-fast) var(--motion-ease)}}@media (width>=1001px) and (height>=720px){.landing-course-side--online{position:sticky;top:108px}}@media (width<=1000px){.landing-hero{padding-block:44px}.landing-copy h1{font-size:clamp(44px,5.4vw,54px)}.landing-intro{font-size:18px}.landing-start-actions{gap:8px 20px}.landing-start .landing-link{min-height:48px}.landing-course-facts{gap:8px 16px;margin-top:20px;padding-top:20px;font-size:15px}.landing-columns{grid-template-columns:minmax(0,1fr);gap:32px}.landing-course-side,.landing-about{max-width:560px}.landing-about{border-top:0;padding-top:0}}@media (width<=760px){.landing-hero{grid-template-columns:1fr;gap:28px;padding-block:32px 36px}.landing-copy h1{margin-bottom:20px;font-size:clamp(40px,10.4vw,64px)}.landing-intro{max-width:46ch;margin-bottom:24px}.landing-start-actions{gap:12px 24px}.landing-start .button{min-height:56px;font-size:16px}.landing-start .landing-link{min-height:56px}.landing-image>img{aspect-ratio:3/2}.landing-school-partners{flex-direction:column;align-items:flex-start;gap:20px}}@media (width<=600px){.landing-chapter{grid-template-columns:24px minmax(0,1fr) 18px;align-items:center;gap:2px 10px;padding-block:12px;display:grid}.landing-chapter-number{grid-area:1/1}.landing-chapter-name{grid-area:1/2;font-size:16px}.landing-chapter-meta{grid-area:2/2;gap:10px}.landing-chapter-count{font-size:var(--text-meta);margin-left:0}.landing-chapter>svg{grid-area:1/3/3/4}.landing-questions-list summary{min-height:60px;font-size:16px}.landing-find-school{padding:24px 20px}}@media (width<=480px){.landing-start-actions{flex-direction:column;align-items:stretch;gap:12px}.landing-primary-action .button{width:100%}.landing-primary-action>p{text-align:center;order:0;max-width:none}.landing-start .landing-link{justify-content:center;min-height:44px}.landing-course-facts{gap:6px 16px;margin-top:16px;padding-top:16px}.landing-price-group>.button,.landing-school-partners>.button{width:100%}}.analytics-consent{z-index:160;overscroll-behavior:contain;background:var(--paper);width:440px;max-width:calc(100vw - 48px);max-height:calc(100dvh - 48px);color:var(--ink);border-radius:12px;padding:24px;font-size:14px;line-height:1.55;position:fixed;bottom:24px;right:24px;overflow-y:auto;box-shadow:0 8px 32px #1c261c26}.analytics-consent h2{margin:0 0 10px;font-size:20px;font-weight:600;line-height:1.35}.analytics-consent h2:focus{outline:none}.analytics-consent p{margin:0 0 20px}.analytics-consent-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.analytics-consent .button{white-space:normal;text-align:center;justify-content:center;min-height:44px;padding:10px 12px;font-size:14px;line-height:1.4}.analytics-consent-choices{border:0;gap:16px;margin:0 0 20px;padding:0;display:grid}.analytics-consent-choices[hidden]{display:none}.analytics-consent-choices label{cursor:pointer;align-items:flex-start;gap:12px;display:flex}.analytics-consent-choices input{width:20px;height:20px;accent-color:var(--accent);flex:0 0 20px;margin:2px 0 0}.analytics-consent-choices strong,.analytics-consent-choices small{display:block}.analytics-consent-choices small,.analytics-consent-necessary p{color:var(--muted);margin:4px 0 0;font-size:13px;line-height:1.5}.analytics-consent-necessary{border-bottom:1px solid var(--line);margin:0 0 18px;padding-bottom:18px}.analytics-consent-necessary strong{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.analytics-consent-necessary strong span{color:var(--muted);font-size:13px;font-weight:400}.analytics-consent-links{flex-wrap:wrap;justify-content:space-between;align-items:center;column-gap:20px;margin-top:4px;display:flex}.analytics-consent-links a,.analytics-consent-links button{min-height:44px;color:var(--ink);font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;font-size:13px;text-decoration:underline;display:inline-flex}.analytics-consent :is(button,a,input):focus-visible{outline:2px solid var(--accent);outline-offset:3px}.analytics-consent .analytics-consent-note{color:var(--muted);margin:0;font-size:13px}@media (width<=600px){.analytics-consent{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));width:auto;max-width:none;max-height:calc(100dvh - 24px - env(safe-area-inset-bottom));padding:20px}.analytics-consent-actions{gap:8px}}@media (width<=360px){.analytics-consent-actions{grid-template-columns:1fr}}.legal-page{grid-template-columns:210px minmax(0,1fr);align-items:start;column-gap:60px;max-width:1080px;display:grid}.legal-page__header,.legal-page__summary,.legal-page__body{grid-column:2}.legal-page__header{max-width:680px;margin-bottom:28px}.legal-page__header h1{letter-spacing:-1.2px;overflow-wrap:anywhere;margin:12px 0 20px;font-size:clamp(34px,5vw,54px)}.legal-page__header>p{max-width:60ch;font-size:18px;line-height:1.7}.legal-page__date{color:var(--muted);margin-top:14px;font-size:13px;display:block}.legal-page__summary{background:var(--lavender);border-radius:12px;margin:0 0 22px;padding:22px 26px}.legal-page__summary ul{gap:9px;margin:0;padding-left:20px;display:grid}.legal-page__summary li{padding-left:4px;line-height:1.65}.legal-page__nav{border-top:1px solid var(--line);flex-direction:column;grid-area:1/1/5;align-items:flex-start;gap:2px;padding-top:18px;display:flex;position:sticky;top:108px}.legal-page__nav h2{letter-spacing:0;margin:0 0 12px;font-size:15px;line-height:1.4}.legal-page__nav a{text-underline-offset:4px;align-items:center;min-height:44px;font-size:15px;text-decoration:underline;display:inline-flex}.legal-page__body{max-width:70ch;font-size:17px;line-height:1.8}.legal-page__body section{margin:0 0 36px;scroll-margin-top:120px}.legal-page__body h2{font-family:var(--sans);letter-spacing:-.35px;margin:0 0 15px;font-size:25px;line-height:1.35}.legal-page__body h3{letter-spacing:0;margin:25px 0 9px;font-size:18px}.legal-page__body p{margin:0 0 17px}.legal-page__body ul{margin:15px 0 20px;padding-left:22px}.legal-page__body li{color:var(--muted);margin-bottom:10px;padding-left:4px}.legal-page__body a:not(.button),.legal-page__contact a{text-underline-offset:4px;overflow-wrap:anywhere;text-decoration:underline}.legal-page__body strong{color:var(--ink);font-weight:650}.legal-page__contact{border-top:1px solid var(--line);padding-top:27px;scroll-margin-top:120px}.legal-page__contact address{color:var(--muted);margin:18px 0;font-style:normal}.legal-page__contact address span{display:block}.legal-page__contact .legal-page__company-name{color:var(--ink);font-weight:650}.legal-page__end{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:18px 24px;padding-top:24px;display:flex}.legal-page__end a{align-items:center;min-height:44px;display:inline-flex}@media (width<=850px){.legal-page{max-width:740px;display:block}.legal-page__nav{border-top:0;border-bottom:1px solid var(--line);flex-flow:wrap;gap:2px 19px;margin-bottom:32px;padding:0 0 20px;position:static}.legal-page__nav h2{flex-basis:100%;margin-bottom:8px}}@media (width<=600px){.legal-page__header>p{font-size:17px}.legal-page__summary{padding:20px}.legal-page__body{font-size:17px}.legal-page__body h2{font-size:23px}.legal-page__nav{gap:2px 19px}.legal-page__end{flex-direction:column;align-items:stretch}}.legal-page__summary-title{letter-spacing:0;margin:0 0 12px;font-size:17px;line-height:1.4}.public-app .info-page{padding-bottom:72px}.public-app .exam-page{max-width:1080px}.public-app .exam-journey{margin:40px 0 48px}.exam-journey>h2,.exam-format>h2{letter-spacing:-.025em;margin:0 0 24px;font-size:25px;line-height:1.3}.exam-journey ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:0;padding:0;list-style:none;display:grid}.exam-journey li{border-top:1px solid var(--line);gap:14px;padding-top:22px;display:flex}.exam-journey li>span{color:var(--accent);font-size:17px;font-weight:650;line-height:1.5}.exam-journey h3{letter-spacing:-.02em;margin:0 0 12px;font-size:20px;line-height:1.35}.exam-journey p{margin:0 0 14px;font-size:16px;line-height:1.75}.exam-journey a{min-height:44px;color:var(--accent);align-items:center;gap:10px;font-size:15px;font-weight:600;display:inline-flex}.exam-journey a:hover{text-decoration:underline}.exam-journey a svg{flex-shrink:0}.public-app .exam-page .exam-facts{border-block:1px solid var(--line);background:0 0;border-radius:0;gap:0;margin:0;padding:20px 0}.public-app .exam-page .exam-facts strong{font-size:26px;line-height:1.35}.public-app .exam-page .exam-facts>div{padding:0 12px}.public-app .exam-format{margin-bottom:40px}.public-app .exam-format>h2{margin-bottom:16px}.public-app .calm-information .prose{max-width:70ch}.public-section-nav{border-block:1px solid var(--line);flex-wrap:wrap;gap:8px 24px;margin:0 0 36px;padding:8px 0;display:flex}.public-section-nav a{text-underline-offset:5px;align-items:center;min-height:44px;font-size:15px;text-decoration:underline;display:inline-flex}.public-app .sources-page .source-publisher{border:0;margin-bottom:28px;padding:0}.public-app .sources-page .source-publisher h2{font-size:26px}.public-app .sources-page .source-publisher p{max-width:70ch}.public-app .sources-page .source-group .source-list{background:0 0;border:0;border-radius:0;padding:0}.public-app .sources-page .source-list strong{overflow-wrap:anywhere}.public-app .sources-page .book-options{gap:0}.public-app .sources-page .book-options>a{border:0;border-bottom:1px solid var(--line);background:0 0;border-radius:0;padding:24px 0}.public-app .sources-page .book-options>a h3{margin-top:10px}.public-app .access-page{max-width:1040px}.public-app .access-settings{border-block:1px solid var(--line);grid-template-columns:minmax(220px,1fr) minmax(0,1.6fr);align-items:start;gap:40px;padding:28px 0 36px;display:grid}.access-settings-note{max-width:28ch;margin-top:20px;font-size:14px;line-height:1.65}.public-app .access-text-sample{background:var(--surface);border:0;border-radius:12px;margin:0 0 24px;padding:28px}.public-app .access-options{max-width:760px}.public-app .course-page .public-chapter-position{color:var(--accent);margin:0 0 20px;font-size:15px}.public-app .course-page .lesson-list a>div>.public-lesson-scope{margin:4px 0;display:block}.public-app .course-page .course-sequence-intro{max-width:70ch}.public-app .course-page .lesson-list a{min-height:88px}.public-app .course-page .course-practice-link{border:0;border-top:1px solid var(--line);background:0 0;border-radius:0;padding:28px 0}@media (width<=700px){.public-app .exam-journey{margin-block:28px 36px}.exam-journey ol{grid-template-columns:1fr;gap:0}.exam-journey li{gap:18px;padding-block:18px}.exam-journey p{margin-bottom:4px}.exam-journey h3{margin-bottom:6px}.exam-journey>h2{margin-bottom:14px;font-size:23px}.public-app .exam-page .exam-facts>div{padding-inline:8px}.public-app .exam-page .exam-facts>div+div{border-left:1px solid var(--line)}.public-app .exam-page .exam-facts strong{font-size:23px}.public-app .exam-page .exam-facts span{font-size:13px}.public-app .access-settings{grid-template-columns:1fr;gap:24px;padding-block:24px}.access-settings-note{max-width:none;margin-bottom:0}.public-app .access-text-sample{padding:22px}.public-section-nav{gap:0 20px;margin-bottom:28px}}@layer reset{*,:before,:after{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,svg{vertical-align:middle}h1,h2,h3,p{margin-top:0}a{color:inherit}}@layer base{:root{--ink:#202a25;--muted:#59615c;--paper:#fafbf9;--card:#fff;--line:#dfe4df;--purple:var(--ink);--lavender:#eef2eb;--surface:#f3f5f3;--border-strong:#89958d;--accent:#315c47;--accent-hover:#254b38;--accent-strong:var(--accent-hover);--accent-tint:var(--lavender);--on-dark-muted:color-mix(in srgb, var(--paper) 80%, var(--accent-hover));--danger:#9b3945;--danger-hover:color-mix(in srgb, var(--danger) 82%, var(--ink));--ok-bg:#edf5ef;--ok-line:#679077;--ok-ink:#254b35;--warn-bg:#fff6e8;--warn-line:#97632c;--warn-ink:#694516;--focus:#315c47;--text-meta:13px;--text-ui:15px;--text-read:18px;--text-title:22px;--text-display:28px;--text-lesson:32px;--text-page:36px;--radius-control:6px;--radius-panel:12px;--motion-fast:.16s;--motion-ease:cubic-bezier(.22,1,.36,1);--sans:"DM Sans Variable","DM Sans",sans-serif;--display:var(--sans);font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}body{min-width:320px;font-size:15px;line-height:1.6}h1,h2,h3{line-height:1.2}h1,h2{font-family:var(--display);text-wrap:balance;font-weight:600}h1{letter-spacing:-.035em;font-size:clamp(40px,5vw,64px);line-height:1.12}h2{letter-spacing:-.025em;font-size:clamp(28px,3.2vw,40px)}h3{letter-spacing:-.4px;font-size:20px;font-weight:600}p{color:var(--muted)}em{color:inherit;font-weight:inherit;font-style:normal}a{text-decoration:none}button{color:inherit}button:disabled{cursor:not-allowed;opacity:.5}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}input,textarea{caret-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}a{text-underline-offset:.2em}table,time,output{font-variant-numeric:tabular-nums}main:focus{outline:none}::selection{color:var(--ink);background:#dce8e0}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}}@layer components{.page-width{width:calc(100% - 112px);max-width:1200px;margin:0 auto}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:10px;padding:12px 22px;position:fixed;top:12px;left:16px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:1px solid var(--line);background:var(--paper);z-index:30;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:28px;max-width:1360px;height:88px;margin:auto;padding:0 48px;display:flex}.brand{letter-spacing:-1.4px;white-space:nowrap;align-items:center;gap:11px;font-size:27px;font-weight:650;line-height:1;display:inline-flex}.brand-mark{background:var(--purple);color:#fff;border-radius:13px;place-items:center;width:40px;height:40px;display:grid}.brand-dot{color:var(--purple)}.main-nav{align-items:center;gap:34px;display:flex}.main-nav a{color:#526656;padding:10px 0;font-size:13px;font-weight:500;position:relative}.main-nav a:hover,.main-nav a.active{color:var(--purple)}.main-nav a.active:after{content:"";background:var(--purple);width:18px;height:2px;position:absolute;bottom:2px;left:0}.header-actions{align-items:center;gap:17px;display:flex}.button{border-radius:var(--radius-control);min-height:52px;transition:background var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease);border:1px solid #0000;justify-content:center;align-items:center;gap:16px;padding:14px 24px;font-size:14px;font-weight:550;line-height:1.4;display:inline-flex}.button:active:not(:disabled){transform:translateY(1px)}.button-primary{background:var(--purple);color:#fff}.button-primary:hover{background:#33433a}.button-secondary{background:var(--card);border-color:var(--border-strong);color:var(--ink)}.button-secondary:hover{background:var(--lavender);border-color:var(--purple)}.button-dark{background:var(--ink);color:#fff}.button-dark:hover{background:#3f4e42}.button-danger{background:var(--danger);color:#fff}.button-danger:hover{background:var(--danger-hover)}.button-small{min-height:44px;padding:10px 18px;font-size:12px}.diagonal-arrow{transform:rotate(-40deg)}.icon-button{background:0 0;border:0;border-radius:10px;place-items:center;min-width:44px;min-height:44px;padding:9px;display:grid}.icon-button:hover{background:var(--lavender)}.menu-toggle{display:none}.text-link{align-items:center;gap:12px;font-size:13px;font-weight:600;display:inline-flex}.text-link:hover{color:var(--purple)}.text-link svg{flex-shrink:0;transition:transform .18s}.text-link:hover svg{transform:translate(3px)}.eyebrow{font-size:var(--text-meta);letter-spacing:0;color:var(--accent);font-weight:600;line-height:1.3;display:block}.small-label{color:var(--muted);font-size:11px;font-weight:500;display:block}.section{padding-block:88px}.section-heading{grid-template-columns:1.2fr 1fr;align-items:end;gap:100px;margin-bottom:36px;display:grid}.section-heading h2{margin:14px 0 0}.section-heading p{max-width:440px;font-size:15px;line-height:1.8}.quiet-note{color:var(--muted);margin:24px 0 0;font-size:12px}.quiet-note a{text-underline-offset:3px;text-decoration:underline}.check-list{margin:24px 0;padding:0;list-style:none}.check-list li{align-items:flex-start;gap:10px;margin:12px 0;font-size:14px;display:flex}.check-list svg{flex-shrink:0;width:18px;height:18px;margin-top:2px}.lilac,.peach,.mint,.blue{background:var(--lavender);color:var(--purple)}.site-footer{border-top:1px solid var(--line);padding:46px max(48px,50vw - 600px) 20px}.footer-main{justify-content:space-between;align-items:flex-start;gap:50px;display:flex}.footer-main .brand{font-size:24px}.footer-main .brand-mark{border-radius:10px;width:34px;height:34px}.footer-main p{margin:15px 0 32px;font-size:11px;line-height:1.8}.footer-links{flex-wrap:wrap;gap:27px;padding-top:11px;font-size:11px;display:flex}.footer-links a:hover{color:var(--purple)}.footer-bottom{border-top:1px solid var(--line);color:#526656;justify-content:space-between;padding-top:19px;font-size:9px;display:flex}.inner-page{min-height:65vh;padding-top:52px;padding-bottom:90px}.page-intro{max-width:760px;margin-bottom:42px}.page-intro h1{margin:17px 0 23px}.page-intro>p{max-width:590px;font-size:16px;line-height:1.8}.catalog-tools{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:25px;padding-bottom:22px;display:flex}.filter-tabs{background:#ecf0ed;border-radius:10px;gap:5px;width:fit-content;padding:5px;display:flex}.filter-tabs button{min-height:40px;color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:7px;padding:9px 16px;font-size:12px}.filter-tabs button.selected{color:var(--ink);background:#fff;box-shadow:0 2px 7px #333f3508}.search-box{border:1px solid var(--line);color:#526656;background:#fff;border-radius:10px;align-items:center;gap:10px;width:290px;min-height:48px;padding:0 14px;display:flex}.search-box input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;padding:10px 0;font-size:12px}.search-box input:focus{outline:none}.search-box:focus-within{outline:2px solid var(--purple);outline-offset:3px}.results-count{margin:20px 0;font-size:11px}.catalog-grid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.module-card{border:1px solid var(--line);background:#fff;border-radius:15px;flex-direction:column;padding:23px;transition:transform .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden}.module-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #2a352c09}.module-card-top{justify-content:space-between;align-items:center;margin-bottom:25px;display:flex}.module-icon{border-radius:13px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:inline-flex}.module-card h2{font-family:var(--sans);letter-spacing:-.6px;margin:8px 0 12px;font-size:21px;font-weight:550}.module-card p{flex:1;font-size:12px;line-height:1.8}.module-card-bottom{color:var(--muted);border-top:1px solid #ecf0ed;justify-content:space-between;align-items:center;margin-top:17px;padding-top:15px;font-size:11px;display:flex}.module-card-bottom svg{color:var(--purple)}.thin-progress{background:#eef1ef;height:3px;position:absolute;bottom:0;left:0;right:0}.thin-progress span{background:#abb9ae;height:100%;display:block}.inline-note{color:var(--purple);background:#f0f2f0;border-radius:12px;align-items:flex-start;gap:13px;margin-top:32px;padding:22px;display:flex}.inline-note svg{flex-shrink:0}.inline-note p{margin:0;font-size:12px}.inline-note a{text-underline-offset:3px;text-decoration:underline}.empty-state{text-align:center;padding:75px 25px}.empty-state>svg{color:#a1b1a4;margin-bottom:22px}.empty-state h2{font-size:34px}.empty-state p{max-width:450px;margin:0 auto 25px}.breadcrumb-back{color:var(--muted);align-items:center;gap:8px;margin-bottom:40px;font-size:12px;display:flex}.course-overview{grid-template-columns:1.4fr 1fr;align-items:center;gap:90px;margin-bottom:60px;display:grid}.course-overview h1{margin:17px 0 23px;font-size:60px}.large-body{font-size:17px;line-height:1.8}.course-meta{flex-wrap:wrap;gap:20px;margin:25px 0 29px;display:flex}.course-meta span{color:var(--muted);align-items:center;gap:7px;font-size:11px;display:flex}.course-art{border-radius:20px;place-items:center;height:290px;display:grid}.course-art svg{width:310px;max-width:100%}.course-details-grid{grid-template-columns:1.6fr 1fr;gap:60px;display:grid}.list-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.list-heading h2{margin:0;font-size:29px}.list-heading>span{white-space:nowrap;color:var(--muted);font-size:11px}.lesson-list{border:1px solid var(--line);background:#fff;border-radius:13px;overflow:hidden}.lesson-list>a{align-items:center;gap:17px;min-height:90px;padding:24px;display:flex}.lesson-list>a+a{border-top:1px solid var(--line)}.lesson-list>a:hover{background:#fafafa}.lesson-list>a>div{flex:1}.lesson-list h3{margin:0 0 6px;font-size:15px;line-height:1.4}.lesson-list span:not(.lesson-index){color:var(--muted);font-size:11px}.lesson-index{color:#526656;background:#f0f2f0;border-radius:50%;flex-shrink:0;place-items:center;width:33px;height:33px;font-size:11px;display:grid}.lesson-index.completed{color:#547558;background:#e5eee5}.study-tip{background:#f0f3f1;border-radius:15px;align-self:start;margin-top:52px;padding:29px}.study-tip h3{margin-top:20px}.study-tip p{font-size:13px;line-height:1.9}.dashboard-section-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.dashboard-section-heading h2{margin:0;font-size:30px}.text-button{color:var(--purple);text-underline-offset:3px;background:0 0;border:0;padding:9px 0;font-size:12px;text-decoration:underline}.confirm-inline{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.confirm-inline .button{min-height:42px;font-size:12px}.info-page{max-width:1080px}.exam-facts{background:#f0f3f1;border-radius:17px;grid-template-columns:repeat(4,1fr);margin-bottom:50px;padding:31px 0;display:grid}.exam-facts>div{text-align:center}.exam-facts>div+div{border-left:1px solid #dce2dd}.exam-facts strong{font-family:var(--display);color:var(--ink);font-size:37px;font-weight:600;display:block}.exam-facts span{color:var(--muted);margin-top:5px;font-size:11px;display:block}.info-columns{grid-template-columns:1.65fr 1fr;gap:60px;display:grid}.prose h2{font-family:var(--sans);letter-spacing:-.5px;margin-top:37px;margin-bottom:16px;font-size:24px;line-height:1.35}.prose h2:first-child{margin-top:0}.prose p{font-size:14px;line-height:1.95}.prose .button{margin:20px 0}.source-line{border-top:1px solid var(--line);padding-top:15px;font-size:11px!important}.source-line a{text-underline-offset:3px;text-decoration:underline}.info-aside{background:#f2f5f3;border-radius:15px;align-self:start;padding:30px}.info-aside h3{margin-top:20px;line-height:1.4}.info-aside .button{gap:10px;padding:12px 16px;font-size:12px}.info-aside p{margin:17px 0 0;font-size:11px}.faq-block{margin-top:60px}.faq-block>h2{margin-bottom:25px;font-size:35px}.faq-block details{border-bottom:1px solid var(--line);padding:19px 0}.faq-block summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;font-size:15px;font-weight:500;display:flex}.faq-block summary svg{flex-shrink:0}.faq-block details[open] summary svg{transform:rotate(180deg)}.faq-block p{max-width:780px;margin:17px 30px 4px 0;font-size:13px;line-height:1.9}.source-intro{grid-template-columns:1.7fr 1fr;gap:50px;margin-bottom:55px;display:grid}.version-card{background:#f1f3f1;border-radius:14px;padding:25px}.version-card .small-label{letter-spacing:.8px;font-size:9px}.version-card h3{font-family:var(--display);margin:18px 0;font-size:30px;font-weight:600}.version-card p{font-size:12px;line-height:1.9}.version-tag{color:#526656;border:1px solid #d3dbd5;border-radius:6px;padding:4px 8px;font-size:9px;display:inline-block}.source-books{margin-bottom:45px}.source-books h2,.source-books+h2{font-size:30px}.book-options{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.book-options>a{border:1px solid var(--line);background:#fff;border-radius:12px;padding:23px}.book-options>a:hover{background:#f6f7f6}.book-options .small-label{letter-spacing:.7px;font-size:8px}.book-options h3{margin:16px 0 12px;font-size:16px;line-height:1.4}.book-options p{margin-bottom:0;font-size:11px;line-height:1.9}.source-list{grid-template-columns:1fr 1fr;gap:0 35px;display:grid}.source-list>a{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:18px 0;display:flex}.source-list strong{font-size:12px;font-weight:500}.source-list a>span>span{color:var(--muted);margin-top:3px;font-size:10px;display:block}.source-list svg{color:#526656;flex-shrink:0}.access-grid{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:50px;display:grid}.access-grid>article{border:1px solid var(--line);background:#fff;border-radius:15px;padding:30px}.access-grid h2{font-family:var(--sans);margin:20px 0 15px;font-size:22px}.access-grid p{margin-bottom:0;font-size:13px;line-height:1.9}}@layer education;@media (width>=1500px){.hero{gap:85px;padding-top:76px;padding-bottom:78px}.hero-art{height:520px}}@media (width<=1100px){.page-width{width:calc(100% - 72px)}.header-inner{gap:18px;padding:0 34px}.main-nav{gap:21px}.hero{gap:35px}.hero h1{font-size:64px}.hero-buttons{flex-direction:column;align-items:flex-start;gap:17px}.hero-art{height:466px}.audio-float{padding-right:12px;right:-13px}.orbit-two{width:380px;height:380px}.orbit-one{width:315px;height:315px}.section-heading{gap:65px}.learning-grid{gap:55px}.learning-copy h2{font-size:35px}.featured-body{padding:20px}.footer-links{gap:20px}.course-overview{gap:45px}.course-overview h1{font-size:51px}.course-details-grid{gap:35px}}@media (width<=800px){.page-width{width:calc(100% - 44px)}.header-inner{height:74px;padding:0 22px}.brand{font-size:25px}.brand-mark{border-radius:11px;width:35px;height:35px}.header-actions{gap:8px}.account-trigger{display:none}.menu-toggle{display:grid}.main-nav{display:none}.main-nav.open{background:var(--paper);border-bottom:1px solid var(--line);gap:23px;padding:18px 25px;display:flex;position:absolute;top:74px;left:0;right:0}.hero{gap:25px;padding-top:43px;padding-bottom:40px}.hero h1{letter-spacing:-1.6px;font-size:52px}.hero-copy .eyebrow{letter-spacing:1px;font-size:8px}.hero-lead{font-size:13px}.hero-art{height:411px}.hero-course-preview{width:210px}.preview-illustration{height:163px}.preview-body h2{font-size:24px}.audio-float{gap:8px;padding:11px;top:282px;right:-5px}.audio-icon{border-radius:8px;width:31px;height:31px}.audio-float strong{font-size:10px}.audio-float div>span{font-size:8px}.sound-bars{margin-left:3px}.flower-one{font-size:49px;top:58px;right:16px}.flower-two{font-size:40px;left:12px}.hero-art-label{letter-spacing:1px;font-size:7px;top:18px;left:17px}.art-caption{font-size:8px;bottom:20px}.orbit-two{width:285px;height:285px}.orbit-one{width:235px;height:235px}.value-strip{grid-template-columns:repeat(2,1fr);gap:18px 0;padding:25px 0}.value-strip span:nth-child(3){border-left:0}.section{padding-top:55px;padding-bottom:55px}.section-heading{gap:35px}.section-heading h2{font-size:35px}.featured-grid{gap:15px}.featured-art{height:157px}.featured-art>svg{width:180px;height:150px}.featured-body{padding:18px 15px}.featured-body h3{font-size:17px}.featured-body p{font-size:11px}.learning-grid{gap:35px}.learning-section{padding:50px 0}.learning-copy h2{font-size:30px}.learning-copy>p{font-size:12px}.learning-art{min-height:315px}.reading-demo{width:225px;padding:21px}.reading-demo p{font-size:27px}.feature-float{padding:11px;font-size:9px;bottom:25px;right:-10px}.steps-grid{gap:20px}.step-card{padding:0}.step-card h3{font-size:17px}.bottom-cta{gap:25px;margin-bottom:60px;padding:35px}.bottom-cta h2{font-size:33px}.site-footer{padding:35px 24px 20px}.footer-links{row-gap:14px;max-width:360px}.catalog-grid{grid-template-columns:1fr 1fr}.catalog-tools{gap:15px}.filter-tabs button{padding:9px 12px}.course-overview{grid-template-columns:1.5fr 1fr;gap:25px}.course-overview h1{font-size:44px}.course-meta{gap:12px}.course-art{height:230px}.course-details-grid{grid-template-columns:1.5fr 1fr;gap:24px}.study-tip{padding:23px}.info-columns{grid-template-columns:1.5fr 1fr;gap:25px}.info-aside{padding:23px}.info-aside .button{gap:7px;padding:11px;font-size:11px}.book-options{gap:12px}.book-options>a{padding:18px}.source-intro{gap:30px}}@media (width<=600px){.page-width{width:calc(100% - 40px)}.header-inner{gap:10px;height:70px;padding:0 18px}.brand{gap:8px;font-size:23px}.brand-mark{width:33px;height:33px}.header-actions .button{gap:7px;min-height:40px;padding:10px 12px;font-size:10px}.header-actions .button svg{width:13px}.menu-toggle{min-width:35px;padding:5px}.main-nav.open{justify-content:space-between;gap:12px;padding:17px 22px;font-size:12px;top:70px}.main-nav a{font-size:12px}.hero{grid-template-columns:1fr;gap:35px;padding-top:37px;padding-bottom:33px}.hero-copy .eyebrow{letter-spacing:1.2px;margin-bottom:23px;font-size:9px}.hero h1{letter-spacing:-2px;margin-bottom:22px;font-size:61px}.hero-lead{max-width:340px;margin-bottom:24px;font-size:15px;line-height:1.85}.hero-buttons{flex-flow:wrap;align-items:center;gap:18px}.hero-buttons .button{gap:13px;padding:14px 20px;font-size:13px}.hero-buttons .text-link{font-size:11px}.hero-note{margin-bottom:0;font-size:10px}.hero-art{height:392px;margin-right:5px}.hero-course-preview{width:215px;transform:rotate(-6deg)translate(-5px,-2px)}.preview-illustration{height:156px}.preview-body{padding-top:14px}.preview-body h2{margin:8px 0 14px;font-size:25px}.hero-art-label{font-size:7px;left:21px}.orbit-one{width:280px;height:280px}.orbit-two{width:340px;height:340px}.audio-float{padding:11px 13px;top:270px;right:-9px}.audio-float strong{font-size:11px}.audio-float div>span{font-size:9px}.audio-icon{width:35px;height:35px}.flower-one{font-size:59px;top:50px;right:26px}.flower-two{font-size:39px;bottom:79px;left:22px}.art-caption{bottom:18px}.value-strip{gap:18px 0}.value-strip span{gap:7px;font-size:10px}.value-strip svg{width:16px}.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:27px}.section-heading h2{font-size:37px}.section-heading p{margin-bottom:15px;font-size:13px}.featured-grid{grid-template-columns:1fr;gap:20px}.featured-card{grid-template-columns:125px 1fr;align-items:stretch;display:grid}.featured-art{height:auto;min-height:175px;margin:6px 0 6px 6px}.featured-art>svg{width:145px;max-width:none;margin-top:0}.chapter-number{letter-spacing:.8px;font-size:6px;top:14px;left:11px}.featured-cta{width:24px;height:24px;bottom:11px;right:10px}.featured-body{align-self:center;padding:21px 17px}.featured-body h3{font-size:19px}.featured-body p{font-size:11px;line-height:1.7}.quiet-note{font-size:10px;line-height:1.8}.learning-grid{grid-template-columns:1fr;gap:39px}.learning-art{min-height:320px;margin-right:7px}.reading-demo{width:255px;padding:23px}.reading-demo p{font-size:30px}.feature-float{font-size:10px;bottom:25px;right:-12px}.learning-copy h2{font-size:36px}.learning-copy>p{font-size:14px}.check-list li{font-size:12px}.center-heading{text-align:left;margin-bottom:32px}.center-heading h2{font-size:36px}.steps-grid{grid-template-columns:1fr;gap:28px}.step-top{margin-bottom:16px;padding-bottom:13px}.step-card h3{margin-bottom:10px;font-size:19px}.step-card p{max-width:400px;font-size:13px}.bottom-cta{flex-direction:column;align-items:flex-start;gap:28px;padding:32px 26px}.bottom-cta h2{font-size:36px}.bottom-cta .eyebrow{font-size:8px}.cta-flower{font-size:180px;top:83px;right:-32px}.footer-main{flex-direction:column;gap:5px}.footer-main p{margin-bottom:19px}.footer-links{gap:15px 22px;margin-bottom:31px}.footer-bottom{flex-direction:column;gap:9px}.inner-page{padding-top:35px;padding-bottom:60px}.page-intro{margin-bottom:30px}.page-intro h1{letter-spacing:-1.3px;font-size:43px}.page-intro>p{font-size:14px}.catalog-tools{flex-direction:column;align-items:stretch}.filter-tabs{width:100%}.filter-tabs button{flex:1;padding:8px 10px}.search-box{width:100%}.catalog-grid{grid-template-columns:1fr;gap:15px}.module-card{padding:24px}.module-card-top{margin-bottom:20px}.module-card h2{font-size:24px}.module-card p{font-size:13px}.module-card-bottom{font-size:12px}.course-overview{grid-template-columns:1fr;gap:25px;margin-bottom:37px}.course-overview h1{font-size:47px}.course-overview .eyebrow{font-size:9px}.course-art{height:195px}.course-art svg{width:240px;height:190px}.course-details-grid{grid-template-columns:1fr;gap:24px}.study-tip{margin-top:0}.lesson-list>a{gap:12px;padding:19px 16px}.lesson-list h3{font-size:14px}.list-heading h2{font-size:26px}.dashboard-section-heading h2{font-size:27px}.dashboard-section-heading .text-link{gap:5px;font-size:11px}.exam-facts{grid-template-columns:1fr 1fr;gap:25px 0}.exam-facts>div:nth-child(3){border-left:0}.exam-facts strong{font-size:34px}.info-columns{grid-template-columns:1fr}.info-aside{padding:28px}.source-intro{grid-template-columns:1fr;gap:25px}.book-options{grid-template-columns:1fr}.book-options>a{padding:24px}.book-options h3{font-size:19px}.book-options p{font-size:13px}.source-list{grid-template-columns:1fr}.access-grid{grid-template-columns:1fr;gap:16px}.access-grid>article{padding:25px}}.site-header{border-color:var(--line);background:#fafbf8f5}.header-inner{max-width:1440px;height:84px;padding-inline:56px}.brand{letter-spacing:-1.6px;font-size:29px;font-weight:650}.brand-dot{color:var(--purple)}.main-nav{gap:29px}.main-nav a{color:#515952;font-size:13px}.main-nav a.active:after{width:100%}.button{box-shadow:none;border-radius:5px;font-weight:600}.button:hover{box-shadow:none;transform:none}.button-primary,.button-dark{background:var(--ink);color:#fff}.button-primary:hover,.button-dark:hover{background:#3c5144}.button-secondary:hover{background:#f0f3ed}.text-link{font-size:14px}.small-label{font-size:12px}.page-intro h1{letter-spacing:-1.8px;font-size:clamp(36px,4.5vw,58px)}.page-intro p{font-size:17px}.module-card{border-radius:7px;padding:27px}.module-card:hover{box-shadow:none;border-color:#99a69b;transform:none}.module-card p{font-size:14px;line-height:1.75}.module-card-bottom{font-size:12px}.module-icon{border-radius:7px;width:44px;height:44px}.catalog-grid{gap:18px}.filter-tabs{background:#e9ece6;border-radius:5px}.filter-tabs button{border-radius:3px;font-size:13px}.search-box{border-radius:5px;width:310px}.search-box input,.results-count{font-size:13px}.inline-note,.study-tip,.info-aside,.version-card{background:#edf0e9;border-radius:7px}.inline-note p,.study-tip p,.version-card p{font-size:14px}.course-overview{grid-template-columns:1.6fr 1fr}.course-overview h1{font-size:clamp(36px,4.4vw,58px)}.chapter-summary{border-block:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:16px;padding:34px;display:flex}.chapter-summary>strong{letter-spacing:-7px;color:#3a5140;font-size:110px;font-weight:400;line-height:1.1}.chapter-summary>span:last-child{color:var(--muted);font-size:13px}.lesson-list{border-radius:7px}.lesson-list h3{font-size:16px}.lesson-index{color:#475549;background:#edf0e9}.book-options>a{border-radius:7px}.prose p{font-size:16px;line-height:1.85}.prose h2{font-size:25px}.exam-facts{background:#edf1e9;border-radius:7px}.exam-facts strong{color:#324938;font-weight:500}.exam-facts span{font-size:13px}.exam-facts>div+div{border-color:#d7e0d2}.info-aside p,.source-list a>span>span{font-size:12px}.source-list strong,.book-options p,.access-grid p,.faq-block p{font-size:14px}.footer-main p,.footer-links{font-size:13px}.footer-bottom{font-size:11px}.version-tag{color:#425144;border-color:#adb8a9;font-size:11px}.version-card h3{font-weight:500}.home-hero{grid-template-columns:1fr 1fr;align-items:center;gap:70px;padding-block:76px 64px;display:grid}.home-hero-copy .eyebrow{margin-bottom:26px}.home-hero h1{letter-spacing:-3.8px;margin-bottom:26px;font-size:clamp(48px,5.7vw,78px);font-weight:550;line-height:1.02}.home-hero-copy>p{max-width:440px;margin-bottom:30px;font-size:17px;line-height:1.8}.home-hero-actions{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.home-hero-actions .button{padding-inline:22px}.home-hero-actions .text-link{font-size:13px}.home-hero-note{color:#586252;align-items:center;gap:7px;margin-top:20px;font-size:12px;display:flex}.home-hero-note>span{padding-inline:4px}.home-field{aspect-ratio:1.06;background:#353d30;border-radius:6px;margin:0;position:relative;overflow:hidden}.home-field>img{object-fit:cover;object-position:58% center;width:100%;height:100%;display:block}.home-field:after{content:"";pointer-events:none;background:linear-gradient(#0000,#0c170dd9);position:absolute;inset:45% 0 0}.home-field figcaption{z-index:1;color:#fff;justify-content:space-between;align-items:flex-end;gap:16px;padding:26px;display:flex;position:absolute;bottom:0;left:0;right:0}.home-field figcaption div>span{letter-spacing:1.7px;margin-bottom:7px;font-size:9px;display:block}.home-field figcaption strong{letter-spacing:-.4px;font-size:21px;font-weight:500}.home-field figcaption a{align-items:center;gap:10px;min-height:44px;font-size:12px;display:inline-flex}.home-facts{border-block:1px solid var(--line);grid-template-columns:1fr 1fr 1fr 1.3fr;padding-block:25px;display:grid}.home-facts>div{border-right:1px solid var(--line);align-items:center;gap:15px;padding:10px 24px;display:flex}.home-facts>div:first-child{padding-left:0}.home-facts strong{letter-spacing:-.8px;font-size:27px;font-weight:500;line-height:1.2}.home-facts>div>span{color:#5c655b;max-width:120px;font-size:12px;line-height:1.6}.home-facts>a{align-items:center;gap:16px;padding-left:29px;display:flex}.home-facts>a>span{font-size:12px;line-height:1.7}.home-facts>a strong{font:inherit;letter-spacing:0;font-weight:600}.home-facts>a>svg:last-child{margin-left:auto}.home-curriculum h2,.home-learning h2,.home-exam h2{letter-spacing:-1.3px;font-size:clamp(31px,3.1vw,42px);font-weight:550;line-height:1.15}.home-chapters{grid-template-columns:1fr 1fr;gap:0 38px;display:grid}.home-chapters>a{border-top:1px solid var(--line);align-items:center;gap:23px;padding:25px 0;display:flex}.home-chapters>a:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.home-chapters>a:hover h3{text-underline-offset:4px;text-decoration:underline}.home-chapter-index{color:#677261;font-variant-numeric:tabular-nums;align-self:flex-start;padding-top:3px;font-size:13px}.home-chapters h3{margin:0 0 7px;font-size:19px;font-weight:550}.home-chapters div>span{color:var(--muted);font-size:12px}.home-chapters svg{flex-shrink:0;margin-left:auto}.home-learning{background:#edf0e8;border-block:1px solid #e1e6dc;padding-block:72px}.home-learning-grid{grid-template-columns:1fr 1fr;align-items:center;gap:110px;display:grid}.home-learning h2{margin-top:20px;margin-bottom:24px}.home-learning-grid>div>p{max-width:420px;margin-bottom:23px;font-size:15px;line-height:1.85}.home-learning-features article{gap:20px;padding-block:22px;display:flex}.home-learning-features article+article{border-top:1px solid #d4dcce}.home-learning-features svg{color:#4d6147;flex-shrink:0;margin-top:4px}.home-learning-features h3{margin:0 0 10px;font-size:18px}.home-learning-features p{margin:0;font-size:14px;line-height:1.8}.home-exam{grid-template-columns:1.1fr 1fr;align-items:center;gap:110px;display:grid}.home-exam h2{margin-top:20px;margin-bottom:24px}.home-exam>div>p{max-width:450px;font-size:15px;line-height:1.85}.home-exam-panel{border:1px solid var(--line);background:#fff;border-radius:6px;padding:32px}.home-exam-numbers{grid-template-columns:1fr 1fr 1.3fr;gap:20px;margin-block:27px 30px;display:grid}.home-exam-numbers span{color:var(--muted);font-size:11px}.home-exam-numbers strong{color:var(--ink);letter-spacing:-1px;font-size:39px;font-weight:500;display:block}.home-exam-panel .button{width:100%}.home-exam .home-exam-panel p{margin:15px 0 0;font-size:12px}@media (width<=1100px){.header-inner{padding-inline:36px}.main-nav{gap:20px}.home-hero{gap:35px}.home-hero h1{letter-spacing:-3px;font-size:64px}.home-field{aspect-ratio:.88}.home-field figcaption{flex-direction:column;align-items:flex-start;gap:8px;padding:22px}.home-facts>div{gap:10px;padding-inline:20px}.home-facts>a{gap:10px;padding-left:20px}.home-learning-grid,.home-exam{gap:60px}.home-chapters{gap:0 30px}.home-chapters h3{font-size:17px}}@media (width<=900px){.header-actions .button{padding-inline:13px}.main-nav{gap:16px}.main-nav a{font-size:12px}.header-inner{gap:15px}.home-facts{grid-template-columns:1fr 1fr;gap:20px 0}.home-facts>div:nth-child(3){padding-left:0}.home-facts>div:nth-child(2){border:0}.home-facts>div>span{max-width:none}.home-learning-grid,.home-exam{gap:40px}}@media (width<=800px){.header-inner{height:74px;padding-inline:22px}.main-nav.open{flex-wrap:wrap;gap:12px 25px;top:74px}.main-nav a{font-size:14px}.home-hero{padding-block:48px}.home-hero h1{letter-spacing:-2.3px;font-size:52px}.home-hero-copy>p{font-size:15px}.home-hero-copy .eyebrow{letter-spacing:1px;font-size:9px}.home-hero-note{font-size:10px}.section-heading{gap:35px}.chapter-summary>strong{font-size:85px}}@media (width<=600px){.header-actions .button{gap:7px;font-size:11px}.header-actions{gap:5px}.brand{font-size:27px}.home-hero{grid-template-columns:1fr;gap:30px;padding-block:38px 32px}.home-hero h1{letter-spacing:-2.8px;margin-bottom:20px;font-size:57px}.home-hero-copy>p{margin-bottom:24px;font-size:16px;line-height:1.8}.home-hero-copy .eyebrow{margin-bottom:22px}.home-hero-actions{gap:20px}.home-hero-actions .button{padding-inline:17px}.home-hero-note{font-size:11px}.home-field{aspect-ratio:1.35}.home-field figcaption{gap:3px;padding:19px}.home-field figcaption strong{font-size:19px}.home-field figcaption a{min-height:34px}.home-facts{gap:16px 0;padding-block:22px}.home-facts>div{padding:0 16px;display:block}.home-facts strong{font-size:29px}.home-facts>div>span{margin-top:5px;font-size:11px;display:block}.home-facts>a{gap:9px;padding-left:16px}.home-facts>a>svg:first-child{display:none}.home-facts>a>span{font-size:11px}.home-facts>a>svg:last-child{width:15px}.section{padding-block:52px}.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:28px}.section-heading p{margin-bottom:12px}.home-curriculum h2,.home-learning h2,.home-exam h2{font-size:34px}.home-chapters{grid-template-columns:1fr}.home-chapters>a{gap:17px;padding-block:22px}.home-chapters>a:nth-last-child(2){border-bottom:0}.home-chapters h3{font-size:18px}.home-chapters div>span{font-size:11px}.home-learning{padding-block:45px}.home-learning-grid,.home-exam{grid-template-columns:1fr;gap:28px}.home-exam-panel{padding:25px}.home-exam-numbers strong{font-size:35px}.page-intro h1{font-size:40px}.course-overview{grid-template-columns:1fr}.chapter-summary{display:none}.course-overview h1{font-size:40px}.footer-main p,.footer-links{font-size:12px}.footer-bottom{font-size:10px}}@media (width<=360px){.home-hero h1{font-size:50px}.home-hero-actions{gap:16px}.home-hero-actions .button{width:100%}.brand{font-size:24px}.header-inner{padding-inline:17px}}.home-field-wrap{min-width:0}.home-photo-credit{color:#5e655f;margin:8px 0 0;font-size:10px;line-height:1.5}.home-photo-credit a{text-underline-offset:2px;text-decoration:underline}.account-coming-soon{color:#505950;flex-wrap:wrap;align-items:center;gap:9px;margin:12px 0;font-size:14px;line-height:1.6;display:flex}.account-coming-soon>span{color:#42503f;white-space:nowrap;background:#eef2eb;border:1px solid #cbd3c9;border-radius:5px;padding:3px 9px;font-size:12px;font-weight:600}.label{font-size:var(--text-meta);letter-spacing:0;text-transform:none;color:var(--accent);font-weight:600;line-height:1.3}.meta{font-size:var(--text-meta);color:var(--muted);font-variant-numeric:tabular-nums;font-weight:400;line-height:1.5}:where(.education-app) :where(strong,b){font-weight:600}:where(.education-app) h1{font-size:var(--text-page);letter-spacing:-.02em;line-height:1.2}:where(.education-app) h2{font-size:var(--text-title);letter-spacing:-.01em;line-height:1.25}:where(.education-app) h3{font-size:var(--text-read);letter-spacing:-.01em;line-height:1.3}@media (width<=639px){:where(.education-app) h1{font-size:var(--text-display)}}.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark,.education-app .button:is(.button-primary,.button-secondary){border-radius:var(--radius-control);max-width:100%;min-height:48px;font-family:var(--sans);font-size:var(--text-ui);text-align:center;cursor:pointer;transition:background-color var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease),color var(--motion-fast) var(--motion-ease);border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:0 20px;font-weight:600;line-height:1.3;text-decoration:none;display:inline-flex}:is(.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark)>svg,.education-app .button:is(.button-primary,.button-secondary)>svg{flex-shrink:0}:is(.btn-primary,.btn-primary--on-dark)>svg,.education-app .button.button-primary>svg{width:18px;height:18px}.btn-primary,.education-app .button.button-primary{background:var(--accent);color:var(--card)}.btn-primary:hover,.education-app .button.button-primary:hover{background:var(--accent-hover)}.btn-primary--on-dark{background:var(--paper);color:var(--ink)}.btn-primary--on-dark:hover{background:var(--lavender)}.btn-primary--soft{border-radius:var(--radius-control);background:var(--accent-tint);max-width:100%;min-height:48px;color:var(--accent);font-family:var(--sans);font-size:var(--text-ui);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:0 20px;font-weight:600;line-height:1.3;text-decoration:none;transition:background-color .16s,color .16s;display:inline-flex}.btn-primary--soft:hover{background:color-mix(in srgb, var(--accent-tint) 85%, var(--accent))}.btn-primary--soft:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.btn-secondary,.education-app .button.button-secondary{background:var(--card);border-color:var(--border-strong);color:var(--ink)}.btn-secondary:hover,.education-app .button.button-secondary:hover{background:var(--surface);border-color:var(--ink)}.btn-secondary--on-dark{border-color:var(--on-dark-muted);color:var(--paper);background:0 0}.btn-secondary--on-dark:hover{background:color-mix(in srgb, var(--paper) 12%, transparent);border-color:var(--paper)}.btn-primary:disabled,.btn-primary:disabled:hover,.education-app .button.button-primary:disabled,.education-app .button.button-primary:disabled:hover{background:var(--surface);border-color:var(--line);color:var(--muted);opacity:1;cursor:not-allowed}.btn-text{min-height:44px;color:var(--ink);font-family:var(--sans);font-size:var(--text-ui);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;font-weight:400;line-height:1.4;text-decoration:underline;display:inline-flex}.btn-text:hover{color:var(--accent)}.btn-text.btn-text--inline{min-height:0;font-size:inherit;line-height:inherit;padding-block:6px;display:inline}:is(.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark,.btn-text):focus-visible{outline:3px solid var(--focus);outline-offset:4px}.next-step--dark :is(.btn-primary--on-dark,.btn-secondary--on-dark):focus-visible{outline:3px solid var(--paper);outline-offset:3px}:is(.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark):active:not(:disabled),.education-app .button:is(.button-primary,.button-secondary):active:not(:disabled){transform:translateY(1px)}::view-transition-old(lesson-title){animation-duration:.22s}::view-transition-new(lesson-title){animation-duration:.22s}@media (prefers-reduced-motion:reduce){::view-transition-group(*){animation:none!important}::view-transition-old(*){animation:none!important}::view-transition-new(*){animation:none!important}:is(.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark,.btn-primary--soft,.btn-text),.education-app .button:is(.button-primary,.button-secondary){transition:none}:is(.btn-primary,.btn-primary--on-dark,.btn-secondary,.btn-secondary--on-dark):active:not(:disabled),.education-app .button:active:not(:disabled){transform:none}}.status-dot{border:1px solid var(--border-strong);background:var(--card);width:28px;height:28px;color:var(--muted);font-size:var(--text-meta);font-variant-numeric:tabular-nums;border-radius:50%;flex-shrink:0;place-items:center;font-weight:600;line-height:1;display:grid}.status-dot--sm{width:24px;height:24px}.status-dot>svg{flex-shrink:0}.status-dot.is-started{border-color:var(--accent);color:var(--accent)}.status-dot.is-next{border-color:var(--accent-strong);background:var(--accent-strong);color:var(--card)}.status-dot.is-done{border-color:var(--accent-tint);background:var(--accent-tint);color:var(--accent)}@media (width<=639px){.status-dot{width:24px;height:24px}}.next-step{max-width:640px;color:var(--ink);flex-direction:column;display:flex}.next-step--light{border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--card);padding:24px}.next-step--dark{border-radius:var(--radius-panel);background:var(--accent-hover);color:var(--paper);overflow:hidden}.next-step-copy{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.next-step--dark .next-step-copy{padding:20px}.next-step-copy>.label{margin:0}.next-step-title{color:var(--ink);font-size:var(--text-title);letter-spacing:-.01em;text-wrap:pretty;margin:4px 0 0;font-weight:600;line-height:1.25}.next-step-title:focus{outline:none}.next-step-meta{margin:4px 0 0}.next-step-actions{flex-wrap:wrap;align-items:center;gap:4px 24px;margin-top:20px;display:flex}.next-step-footer{align-self:stretch;margin-top:20px}.next-step--dark .next-step-title{color:var(--paper);font-size:var(--text-display);letter-spacing:-.02em;text-wrap:pretty;margin:8px 0 0;line-height:1.2}.next-step--dark :is(.label,.next-step-meta){color:var(--on-dark-muted)}.next-step--dark .next-step-meta{margin:8px 0 0}.trial-next-promise{max-width:48ch;font-size:var(--text-ui);color:var(--paper);text-wrap:pretty;margin-top:12px;line-height:1.5;display:block}.next-step--dark :is(.btn-primary--on-dark,.btn-secondary--on-dark,.film-poster-link){text-decoration:none}.next-step--dark .btn-secondary--on-dark:hover{color:var(--paper)}.next-step--dark .btn-text{color:var(--paper);text-underline-offset:4px;text-decoration-thickness:auto}.next-step--dark .btn-text:hover{color:var(--on-dark-muted);text-decoration-thickness:auto}.next-step--dark .btn-text:focus-visible{outline-color:var(--paper)}.next-step-media{min-width:0;margin:20px 0 0}.next-step--dark .next-step-media{margin:0 20px 20px}.next-step-media>div{border-radius:var(--radius-panel);background:var(--accent-tint);height:160px;position:relative;overflow:hidden}.next-step--dark .next-step-media>div{background:var(--accent)}.next-step-media img{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.education-home .next-step-media>div{aspect-ratio:16/9;height:auto}.next-step-media>figcaption{margin-top:8px;line-height:1.4}.next-step--dark .next-step-media>figcaption{color:var(--on-dark-muted)}.film-poster-link{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius-panel);background:var(--paper);color:var(--card);text-decoration:none;display:block;position:relative;overflow:hidden;container-type:inline-size}.film-poster-link>img{object-fit:contain;width:100%;height:100%;display:block}.film-poster-link-play{background:var(--accent);width:clamp(20px,15cqw,56px);height:clamp(20px,15cqw,56px);color:var(--card);border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.film-poster-link-play>svg{width:42%;min-width:0;height:42%;min-height:0;margin-left:6%}.film-poster-link-length{background:var(--ink);color:var(--card);font-size:var(--text-meta);font-variant-numeric:tabular-nums;border-radius:999px;padding:2px 10px;font-weight:600;line-height:1.6;position:absolute;bottom:10px;right:10px}.film-poster-link:hover .film-poster-link-play{background:var(--accent-hover)}@container (width<=199.98px){.film-poster-link-length{display:none}}.film-poster-link:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.next-step--dark .film-poster-link:focus-visible{outline-color:var(--paper)}@media (prefers-reduced-motion:no-preference){.film-poster-link-play{transition:transform var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease)}.film-poster-link:hover .film-poster-link-play{transform:translate(-50%,-50%)scale(1.06)}}.next-step-film{min-width:0;margin:20px 0 0}.next-step--dark .next-step-film{margin:0 20px 20px}.next-step--dark .next-step-film .film-poster-link{border-color:#0000}@media (width<=639px){.next-step--light{padding:20px}.next-step-actions{flex-direction:column;align-self:stretch;align-items:stretch}.next-step-actions>:is(.btn-primary,.btn-primary--on-dark,.btn-secondary){width:100%}.next-step-actions>.btn-text{align-self:flex-start}}@container (width>=720px){.next-step--dark .next-step-copy{justify-content:center;padding:40px}.next-step--dark .next-step-actions{margin-top:24px}.next-step.has-media{grid-template-columns:minmax(0,55fr) minmax(0,45fr);max-width:none;display:grid}.next-step--light.has-media{align-items:center;gap:24px}.next-step--light.has-media .next-step-media{margin:0}.next-step--dark.has-media{min-height:300px}.next-step--dark.has-media .next-step-media{flex-direction:column;margin:0;display:flex}.next-step--dark.has-media .next-step-media>div{border-radius:0;flex:1;height:auto;min-height:240px}.next-step--dark.has-media .next-step-media>figcaption{margin:0;padding:8px 16px 12px}.next-step--light.has-media .next-step-film{margin:0}.next-step--dark.has-media .next-step-film{align-self:center;margin:40px 40px 40px 0}}.start-card{container-type:inline-size}@container (width>=600px) and (width<=719.98px){.start-card .next-step--dark.has-media{grid-template-columns:minmax(0,58fr) minmax(0,42fr);max-width:none;display:grid}.start-card .next-step--dark .next-step-copy{justify-content:center;padding:28px}.start-card .next-step--dark.has-media .next-step-film{align-self:center;margin:28px 28px 28px 0}}.guest-lesson{grid-template-columns:minmax(0,1fr);grid-template-areas:"copy""holds""action";align-items:center;gap:16px;min-width:0;display:grid}.guest-lesson.has-film{grid-template-columns:max(120px,40%) minmax(0,1fr);grid-template-areas:"poster copy""holds holds""action action"}.guest-lesson>.film-poster-link{border-radius:var(--radius-control);grid-area:poster;width:100%}.guest-lesson>:is(.btn-secondary,.btn-secondary--on-dark){grid-area:action}.guest-lesson-copy{grid-area:copy;min-width:0}.guest-lesson .guest-lesson-label{--guest-label-sep:.85em;margin:0 0 0 calc(var(--guest-label-sep) * -1);clip-path:inset(0 0 0 var(--guest-label-sep));flex-wrap:wrap;display:flex}.guest-lesson-label>span{padding-left:var(--guest-label-sep);position:relative}.guest-lesson-label-sep{width:var(--guest-label-sep);text-align:center;position:absolute;top:0;left:0}.guest-lesson .guest-lesson-title{color:var(--ink);font-size:var(--text-read);letter-spacing:-.01em;text-wrap:balance;margin:4px 0 0;font-weight:600;line-height:1.3}.guest-lesson--dark .guest-lesson-title{color:var(--paper)}.guest-lesson .guest-lesson-holds{color:var(--muted);font-size:var(--text-meta);text-wrap:balance;grid-area:holds;margin:-12px 0 0;font-weight:400;line-height:1.5}.guest-lesson.has-film>.guest-lesson-holds{margin-top:-4px}.guest-lesson--dark .guest-lesson-holds{color:var(--on-dark-muted)}.guest-lesson--dark>.film-poster-link{border-color:#0000}.start-card .guest-lesson{border-top:1px solid color-mix(in srgb, var(--paper) 20%, transparent);margin:0 20px;padding:20px 0}@container (width<=479.98px){.start-card .has-guest-lesson .next-step-actions{flex-direction:column;align-self:stretch;align-items:stretch}.start-card .has-guest-lesson .next-step-actions>.btn-primary--on-dark{width:100%}}@container (width>=480px){.start-card .has-guest-lesson .next-step-actions{flex-direction:row;align-self:flex-start;align-items:center}.start-card .has-guest-lesson .next-step-actions>.btn-primary--on-dark{width:auto}.start-card .guest-lesson>.btn-secondary--on-dark{justify-self:start}.start-card .guest-lesson>.guest-lesson-holds{margin-top:-12px}}@container (width>=480px) and (width<=599.98px){.start-card .guest-lesson.has-film{grid-template-areas:"poster copy""poster holds""action action"}.start-card .guest-lesson.has-film>.guest-lesson-copy{align-self:end}.start-card .guest-lesson.has-film>.guest-lesson-holds{align-self:start}}@container (width>=600px){.start-card .guest-lesson{border-top:0;align-self:start;margin:28px 28px 28px 0;padding:0}.start-card .guest-lesson.has-film{grid-template-columns:minmax(0,1fr);grid-template-areas:"poster""copy""holds""action"}.start-card .guest-lesson>.film-poster-link{border-radius:var(--radius-panel)}}@container (width>=600px) and (width<=719.98px){.start-card .next-step--dark.has-guest-lesson{grid-template-columns:minmax(0,54fr) minmax(0,46fr)}}@container (width>=720px){.start-card .guest-lesson{margin:40px 40px 40px 0}}@media print{.start-card{display:none}}.start-links{flex-wrap:wrap;gap:0 24px;margin:8px 0 0;display:flex}.start-card+.start-links a{min-height:44px;color:var(--ink);font-size:var(--text-ui);text-underline-offset:4px;align-items:center;font-weight:400;line-height:1.4;text-decoration:underline;display:inline-flex}.start-card+.start-links a:hover{color:var(--accent);text-decoration-thickness:auto}.row-link{min-height:56px;color:var(--ink);align-items:center;gap:12px;padding:8px 0;text-decoration:none;display:flex}.row-link-copy{flex-direction:column;flex:1;min-width:0;display:flex}.row-link-copy>:is(.label,.meta){margin:0}.row-link-title{color:var(--ink);font-size:var(--text-ui);overflow-wrap:anywhere;font-weight:600;line-height:1.3}.row-link-title+.meta{margin-top:2px}.row-link>svg:last-child{color:var(--muted);flex-shrink:0;margin-left:auto}a.row-link:hover .row-link-title{text-underline-offset:4px;text-decoration:underline}.row-link--inset{border-radius:var(--radius-panel);gap:14px;padding:12px}a.row-link--inset:hover{background:var(--surface)}.row-link--inset.is-current,a.row-link--inset.is-current:hover{background:var(--accent-tint)}.education-app .row-link--inset:focus-visible{outline-offset:0}@media (width<=639px){.row-link--inset{gap:12px;padding:12px 8px}}[id]{scroll-margin-top:100px}.site-header .nav-account-button{display:none}@media (width<=800px){.site-header .nav-account-button{border:0;border-top:1px solid var(--line);color:var(--ink);min-height:48px;font:inherit;text-align:left;background:0 0;align-items:center;gap:12px;padding:12px 0;font-size:15px;display:flex}}.site-header{background:var(--paper);border-bottom-color:var(--line)}.header-brand{flex-shrink:0;align-items:center;gap:12px;display:flex}.brand{font-family:var(--sans);letter-spacing:-1.3px;font-weight:650}.site-header .header-inner{height:76px}.site-header .main-nav a{font-size:14px}.site-header .main-nav{gap:26px}.site-header .header-actions .button{min-height:44px;font-size:13px}.site-header .icon-button{min-width:44px;min-height:44px}.button{min-height:48px;font-size:14px}.page-width.inner-page{padding-top:44px}.page-intro{max-width:760px;margin-bottom:32px}.page-intro h1{letter-spacing:-1.4px;margin-bottom:18px;font-size:clamp(32px,4vw,48px)}.page-intro p{font-size:17px;line-height:1.75}.filter-tabs{flex-wrap:wrap;max-width:100%}.filter-tabs button{min-height:44px;font-size:14px}.search-box input{font-size:16px}.breadcrumb-back{min-height:44px;margin-bottom:20px;font-size:14px}.lesson-list h3{font-size:17px;line-height:1.45}.lesson-list span:not(.lesson-index){font-size:14px}.lesson-list>a{padding:20px}.lesson-list>a>svg{flex-shrink:0}.list-heading h2{font-size:23px}.list-heading>span{font-size:14px}.catalog-page{max-width:1040px}.catalog-page .catalog-tools{flex-flow:row-reverse wrap;justify-content:space-between;gap:20px;margin-bottom:18px;display:flex}.catalog-tools .search-box{gap:10px;width:min(450px,100%);min-height:50px;padding:0 14px}.catalog-tools .search-box input{width:100%;min-width:0}.catalog-tools .search-box button{min-width:38px;min-height:44px;color:var(--muted);background:0 0;border:0;place-items:center;padding:0;display:grid}.catalog-tools .search-box input::-webkit-search-cancel-button{display:none}.catalog-page .results-count{margin:0 0 18px;font-size:14px}.chapter-list,.catalog-results{border-top:1px solid var(--line)}.chapter-row{border-bottom:1px solid var(--line);align-items:center;gap:24px;padding:24px 8px;display:flex}.chapter-row-number{color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 28px;align-self:flex-start;padding-top:2px;font-size:14px}.chapter-row>div{flex:1;min-width:0}.chapter-row h2{letter-spacing:-.45px;margin:0 0 8px;font-size:22px;font-weight:550;line-height:1.3}.chapter-row p{max-width:680px;margin:0 0 8px;font-size:15px;line-height:1.6}.chapter-row-meta{color:var(--muted);font-size:14px}.chapter-row-progress{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;font-size:13px;display:inline-flex}.chapter-row>svg{flex-shrink:0}.chapter-row:hover,.catalog-lesson-result:hover{background:#f0f3ef}.chapter-row:hover h2,.catalog-lesson-result:hover h2{text-underline-offset:4px;text-decoration:underline}.catalog-lesson-result{border-bottom:1px solid var(--line);align-items:center;gap:20px;padding:22px 8px;display:flex}.catalog-lesson-result>div{flex:1;min-width:0}.catalog-lesson-result h2{letter-spacing:-.4px;margin:6px 0 0;font-size:20px;font-weight:550;line-height:1.4}.catalog-lesson-result span{color:var(--muted);font-size:14px}.catalog-lesson-result>svg{flex-shrink:0}.catalog-note{margin-top:26px}.course-page{max-width:900px}.course-heading{max-width:740px;margin-bottom:44px}.course-heading h1{letter-spacing:-1.4px;margin:14px 0 20px;font-size:clamp(32px,4vw,48px);line-height:1.15}.course-heading .course-meta{margin:20px 0 24px}.course-heading .course-meta span{font-size:14px}.course-practice-link{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px 24px;margin-top:32px;padding-top:26px;display:flex}.course-practice-link h2{margin:0 0 9px;font-size:22px}.course-practice-link p{margin:0;font-size:15px}.sources-page{max-width:980px}.source-status h2,.source-directory>h2{letter-spacing:-.6px;margin:0 0 14px;font-size:25px}.source-status{max-width:760px;margin-bottom:42px}.source-status p,.source-directory>p{font-size:16px;line-height:1.8}.source-group{border-top:1px solid var(--line)}.source-group:last-child{border-bottom:1px solid var(--line)}.source-group summary{cursor:pointer;align-items:center;gap:20px;padding:22px 0;display:flex}.source-group summary>span:first-child{flex:1}.source-group summary strong{font-size:18px;font-weight:550;line-height:1.45;display:block}.source-group summary>span>span{color:var(--muted);margin-top:5px;font-size:14px;display:block}.source-group-count{color:var(--muted);white-space:nowrap;font-size:14px}.source-group summary>svg{flex-shrink:0}.source-group[open]>summary>svg{transform:rotate(180deg)}.source-group .source-list{border:1px solid var(--line);background:#fff;border-radius:6px;margin-bottom:22px;padding:0 20px;display:block}.source-group .source-list>a{border:0;gap:20px;min-height:70px;padding:20px 0}.source-group .source-list>a+a{border-top:1px solid var(--line)}.source-group .source-list strong{font-size:16px;line-height:1.5}.source-group .source-list a>span>span{font-size:13px}.sources-page .source-books{border-bottom:1px solid var(--line);margin:36px 0 0}.source-books>summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:12px 0;display:flex}.source-books>summary h2{margin:0;font-size:23px}.source-books>summary>svg{flex-shrink:0}.sources-page .book-options{margin:20px 0 30px;display:block}.sources-page .book-options>a{border:0;border-top:1px solid var(--line);background:0 0;border-radius:0;padding:22px 0;display:block}.sources-page .book-options h3{margin-block:10px;font-size:19px}.sources-page .book-options p{max-width:700px;margin-bottom:0;font-size:15px}.site-footer--study{padding-block:24px}.site-footer--study .footer-main{padding:0}.site-footer--study .footer-main>div:first-child,.site-footer--study .footer-bottom{display:none}.site-footer--study .footer-links{justify-content:flex-start;gap:24px;font-size:14px}.home-hero-note,.home-chapters div>span,.home-facts>div>span,.home-facts>a>span{font-size:14px}.home-field figcaption a{min-height:44px;font-size:14px}.home-learning-features p{font-size:16px}.home-exam-panel .home-exam-numbers span{font-size:13px}@media (width<=1100px){.site-header .header-inner{gap:18px;padding-inline:28px}.site-header .main-nav{gap:18px}.site-header .main-nav a{font-size:13px}}@media (width<=900px){.catalog-page .catalog-tools{flex-direction:column;align-items:stretch;gap:14px}.catalog-tools .search-box{width:100%}.catalog-tools .filter-tabs{align-self:flex-start}.chapter-row p{display:none}}@media (width<=800px){.page-width.inner-page{padding-top:28px}.site-header .header-inner{gap:12px;height:68px;padding-inline:20px}.site-header .brand{font-size:26px}.site-header .header-actions .button{padding:9px 13px;font-size:13px}.site-header .main-nav.open{gap:8px;padding:12px 20px;top:68px}.site-header .main-nav a{padding-block:10px;font-size:15px}.chapter-row{gap:16px;padding:22px 0}.chapter-row h2{font-size:20px}.chapter-row-number{flex-basis:22px}.chapter-row-progress{display:none}.source-group summary{gap:12px}.site-footer--study .footer-links{gap:12px 24px}}@media (width<=600px){.page-intro{margin-bottom:26px}.page-intro h1{font-size:34px}.page-intro p{font-size:16px}.site-header .main-nav.open{flex-direction:column;align-items:stretch}.site-header .main-nav a{align-items:center;min-height:44px;display:flex}.catalog-page .filter-tabs{grid-template-columns:1.3fr 1.1fr .75fr;width:100%;display:grid}.catalog-page .filter-tabs button{padding-inline:8px;font-size:14px}.catalog-tools .search-box{padding-inline:12px}.catalog-tools .search-box input{font-size:16px}.chapter-row{gap:12px;padding-block:20px}.chapter-row h2{margin-bottom:6px;font-size:19px}.chapter-row-meta{font-size:14px}.catalog-lesson-result h2{font-size:19px}.catalog-lesson-result{padding:20px 0}.course-heading{margin-bottom:32px}.course-heading h1{font-size:34px}.course-heading .large-body{font-size:16px}.course-heading .button{width:100%}.course-meta{gap:8px 16px}.course-page .list-heading{align-items:baseline;gap:12px}.course-page .list-heading h2{font-size:21px}.course-page .list-heading>span{font-size:13px}.lesson-list>a{gap:12px;padding:18px 14px}.lesson-list h3{font-size:16px}.lesson-index{width:26px;height:26px;font-size:13px}.source-group summary{flex-wrap:wrap;gap:6px 12px}.source-group summary>span:first-child{flex-basis:calc(100% - 35px)}.source-group-count{order:2;width:100%;font-size:13px}.source-books>summary h2{font-size:21px}.source-status p,.source-directory>p{font-size:16px}.home-hero-note{gap:5px;font-size:13px}.home-facts>div>span,.home-facts>a>span,.home-chapters div>span{font-size:13px}}@media (width<=360px){.site-header .header-inner{gap:8px;padding-inline:16px}.site-header .brand{font-size:24px}.site-header .header-actions .button{padding-inline:10px;font-size:12px}.site-header .header-actions .button>svg{display:none}}.home-hero-copy .home-course-scope{max-width:500px;color:var(--muted);margin:22px 0 0;font-size:14px;line-height:1.7}.home-preview{padding-bottom:24px}.home-preview>.text-link{min-height:44px;font-size:14px}.site-header .main-nav .nav-extra{display:none}.header-login,.header-study-link{white-space:nowrap;background:0 0;border:0;align-items:center;min-height:44px;padding:8px 0;font-size:15px;font-weight:500;display:inline-flex}.header-login:hover,.header-study-link:hover{text-underline-offset:4px;text-decoration:underline}.site-header .header-actions{gap:22px}.site-header .header-invite{white-space:nowrap;padding-inline:18px;font-size:15px}.public-app :is(.site-header .header-invite,.catalog-start .button-primary,.public-chapter-start .button-primary){background:var(--accent);border-color:var(--accent);color:var(--card)}.public-app :is(.site-header .header-invite,.catalog-start .button-primary,.public-chapter-start .button-primary):hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--card)}.public-app .site-header .header-invite--quiet{background:var(--card);border-color:var(--border-strong);color:var(--ink)}.public-app .site-header .header-invite--quiet:hover{background:var(--surface);border-color:var(--ink);color:var(--ink)}.site-header--study .main-nav{display:none}.site-header--study .menu-toggle{display:grid}.site-header--study .main-nav.open{background:var(--paper);border:1px solid var(--line);border-radius:8px;flex-direction:column;align-items:stretch;min-width:240px;padding:20px;display:flex;position:absolute;top:76px;right:24px}.site-header--study .main-nav.open .nav-extra,.site-header--study .main-nav.open .nav-account-button{display:flex}.site-header--study .nav-account-button{background:0 0;border:0;justify-content:space-between;align-items:center;min-height:44px;padding:8px 0;font-size:15px}.course-about{margin:0 0 24px}.course-about summary{cursor:pointer;min-height:44px;color:var(--muted);align-items:center;gap:12px;font-size:16px;display:inline-flex}.course-about p{max-width:55ch;margin:16px 0 24px;font-size:18px;line-height:1.8}.course-heading h1{margin-bottom:16px;font-size:clamp(30px,3.5vw,42px)}.course-description{max-width:55ch;margin-bottom:26px;font-size:18px;line-height:1.8}.course-account-note a,.account-gate-description a{text-underline-offset:4px;text-decoration:underline}.source-publisher{border-left:2px solid var(--purple);margin-bottom:32px;padding-left:22px}.source-publisher h2{margin:8px 0 14px;font-size:29px}.source-publisher p{max-width:60ch;font-size:16px;line-height:1.8}.site-footer{padding-top:30px}.site-footer .footer-main{grid-template-columns:minmax(180px,1fr) minmax(0,2fr);align-items:start;gap:36px 60px;padding-block:16px 36px;display:grid}.footer-identity p{margin:16px 0 0;font-size:15px}.site-footer .footer-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:0;font-size:14px;display:grid}.footer-group{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.footer-group h2{letter-spacing:0;margin:0 0 12px;font-size:15px;font-weight:650;line-height:1.5}.footer-group a{color:var(--muted)}.footer-cookie-settings{min-height:44px;color:var(--muted);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;display:inline-flex}.footer-cookie-settings:hover{color:var(--ink);text-decoration:underline}.footer-cookie-settings:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.footer-group a:hover{color:var(--ink);text-decoration:underline}.site-footer .footer-links a{align-items:center;min-height:44px;display:inline-flex}.site-footer .footer-bottom{flex-wrap:wrap;gap:16px;padding-block:20px;font-size:12px}.site-footer--study .footer-main>.brand{display:none}.site-footer--study{padding-bottom:110px}.exam-page{max-width:900px}.exam-page .exam-facts{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:30px;padding-block:24px}.exam-page .exam-facts strong{font-size:32px}.exam-page .exam-facts span{font-size:14px}.calm-information>details{border-top:1px solid var(--line)}.calm-information>details:last-child{border-bottom:1px solid var(--line)}.calm-information summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;min-height:68px;padding-block:18px;list-style:none;display:flex}.calm-information summary::-webkit-details-marker{display:none}.calm-information summary h2{letter-spacing:-.2px;margin:0;font-size:20px;line-height:1.45}.calm-information summary svg{flex-shrink:0}.calm-information details[open]>summary svg{transform:rotate(180deg)}.calm-information .prose{max-width:60ch;padding-bottom:22px}.calm-information .prose p{font-size:17px;line-height:1.8}.calm-material-status{border-block:1px solid var(--line);padding-block:8px}.calm-material-status summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;min-height:54px;font-size:18px;display:flex}.calm-material-status p{margin:16px 0}.access-page{max-width:860px}.access-settings{margin-bottom:36px}.access-settings fieldset{border:0;margin:0;padding:0}.access-settings legend{margin-bottom:12px;font-size:16px}.access-settings fieldset>div{flex-wrap:wrap;gap:12px;display:flex}.access-settings button{background:#fff;border:1px solid #89928b;border-radius:6px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:10px 18px;font-size:16px;display:inline-flex}.access-settings button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.access-settings .access-spacing{margin-top:16px}.access-text-sample{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:8px;max-width:55ch;margin:24px 0;padding:24px}.access-review{margin-top:24px}.access-review summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:54px;font-size:16px;display:flex}.access-review .prose{margin-top:16px}@media (width<=600px){.exam-page .exam-facts strong{font-size:28px}.exam-page .exam-facts span{font-size:13px}.calm-information summary h2{font-size:18px}}.privacy-manage-invitation{align-items:center;gap:12px;min-height:44px;margin-bottom:24px;font-size:16px;display:inline-flex}@media (width<=800px){.site-header .header-actions{gap:12px}.site-header .header-actions .header-invite{padding-inline:12px;font-size:14px}.site-header .main-nav.open{top:68px}.site-header .main-nav.open .nav-extra{display:flex}.site-header--study .main-nav.open{border-radius:0;left:0;right:0}.site-footer .footer-main{grid-template-columns:1fr;gap:30px}.site-footer .footer-links{gap:24px 20px}}@media (width<=360px){.header-brand{gap:5px}.site-header .header-inner{padding-inline:14px}.site-header .brand{font-size:23px}.site-header .header-actions{gap:6px}.site-header .header-study-link,.site-header .header-login{font-size:13px}.site-header .header-actions .header-invite{padding-inline:10px;font-size:13px}}.course-account-note{margin:0 0 16px;font-size:17px}.course-page .lesson-list a>div>span{align-items:center;gap:6px;line-height:1.6;display:inline-flex}@media (width<=800px){.site-header .header-account{display:none}}@media (width<=520px){.site-footer .footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-group:last-child{grid-column:1/-1}}@media (width<=1150px){.public-app .site-header .main-nav{display:none}.public-app .site-header .menu-toggle{display:grid}.public-app .site-header .main-nav.open{overscroll-behavior:contain;background:var(--paper);border:0;border-bottom:1px solid var(--line);border-radius:0;flex-direction:column;align-items:stretch;gap:0;max-height:calc(100dvh - 76px);padding:12px max(20px,50vw - 500px);display:flex;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.public-app .site-header .main-nav a{align-items:center;min-height:48px;padding:12px 0;font-size:16px;display:flex}.public-app .site-header .main-nav a.active:after{width:28px;bottom:6px}.public-app .site-header .nav-account-button{border:0;border-top:1px solid var(--line);min-height:48px;font:inherit;text-align:left;background:0 0;justify-content:space-between;align-items:center;padding:14px 0;display:flex}}@media (width<=600px){.site-header .header-actions:has(.header-invite) .header-login{display:none}}