.course-collection,.course-marketing{--collection-paper: var(--public-bg, #f4efe6);--collection-ink: var(--public-text, #2a2623);--collection-muted: var(--public-muted, #6e6760);--collection-rule: var(--public-border, #d7cec2);background:var(--collection-paper);color:var(--collection-ink)}.course-collection{padding:64px 24px 80px;scroll-margin-top:100px}.course-collection-inner{max-width:1152px;margin:auto}.course-reference{font:500 12px/1.5 var(--font-sans, sans-serif);letter-spacing:.14em;text-transform:uppercase}.course-collection-heading{max-width:720px;margin-bottom:48px}.course-collection-heading>.course-reference{color:var(--collection-muted)}.course-collection-heading h2{margin:18px 0;font:400 clamp(32px,4vw,48px)/1.12 Georgia,serif;letter-spacing:-.03em}.course-collection-heading>p:last-child{max-width:590px;font-size:17px;line-height:1.7;color:var(--collection-muted)}.course-collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px 48px}.course-collection-entry{min-width:0;display:flex;flex-direction:column}.course-collection-image{display:block;overflow:hidden;aspect-ratio:2 / 1;background:var(--collection-rule)}.course-collection-image img{display:block;width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.course-collection-meta{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;margin-top:22px}.course-collection-meta>:first-child{color:var(--course-accent)}.course-collection-meta>:last-child{font-size:13px;color:var(--collection-muted)}.course-collection-entry h3{margin:12px 0 18px;font:400 clamp(28px,3vw,38px)/1.15 Georgia,serif;letter-spacing:-.025em}.course-collection-question{margin-bottom:10px;font-size:17px;line-height:1.5;font-weight:500}.course-collection-copy{max-width:48ch;font-size:16px;line-height:1.7;color:var(--collection-muted)}.course-collection-tools{padding:23px 0 18px;margin-top:auto;font-size:13px;line-height:1.6;color:var(--collection-muted)}.course-collection-actions{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:4px 20px;border-top:1px solid var(--collection-rule);padding-top:8px}.course-text-link{min-height:44px;display:inline-flex;gap:28px;align-items:center;color:var(--course-accent);font-size:15px}.course-text-link:hover,.course-continue-link:hover{text-decoration:underline;text-underline-offset:5px}.course-collection-actions .course-text-link:is(:hover,:focus-visible){text-decoration:none}.course-collection-actions .course-text-link:is(:hover,:focus-visible) .course-text-link-label{text-decoration:underline;text-underline-offset:5px}.course-continue-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--collection-muted)}.course-collection :is(a,button):focus-visible,.course-marketing :is(a,button,summary):focus-visible{outline:2px solid var(--course-accent, #844d36);outline-offset:5px}.course-collection-forthcoming{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 24px;margin-top:56px;padding-top:24px;border-top:1px solid var(--collection-rule);color:var(--collection-muted)}.course-collection-forthcoming>:nth-child(2){font:400 23px/1.3 Georgia,serif}.course-collection-forthcoming>:last-child{margin-left:auto;font-size:13px}.public-theme-page[data-public-theme=dark] .course-collection-entry,.public-theme-page[data-public-theme=dark] .course-marketing{--course-accent: var(--public-accent, #d9b48b) !important}.course-marketing-hero{position:relative;isolation:isolate;min-height:580px;display:flex;align-items:end;padding:130px 24px 64px;background:#191713;color:#fffaf0}.course-marketing-hero>img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;z-index:-2}.course-marketing-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,#10100dd9,#10100d8c 55%,#10100d1f);z-index:-1}.course-marketing-hero-inner{width:100%;max-width:1120px;margin:auto}.course-marketing-hero h1{max-width:760px;margin:20px 0;font:400 clamp(44px,6vw,76px)/1.03 Georgia,serif;letter-spacing:-.04em}.course-marketing-hero .course-marketing-question{max-width:660px;font:400 clamp(23px,2.8vw,32px)/1.3 Georgia,serif}.course-marketing-lead{max-width:590px;font-size:17px;line-height:1.7;margin:20px 0}.course-marketing-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 28px;margin-top:26px}.course-marketing-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:12px 24px;background:var(--course-accent, #844d36);color:#fffaf0;border:1px solid transparent;font-size:15px}.course-marketing-button:hover{filter:brightness(1.12)}.course-marketing-button:disabled{opacity:.6;cursor:wait}.course-marketing-hero .course-marketing-button{background:#f4efe6;color:#2a2623}.course-marketing-hero a{min-height:44px;display:inline-flex;align-items:center;text-decoration:underline;text-underline-offset:6px}.course-marketing-hero small{display:block;margin-top:18px;font-size:13px}.course-marketing-hero :is(a,button):focus-visible{outline:2px solid #fffaf0;outline-offset:5px}.course-marketing-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));max-width:1120px;margin:36px auto 0;border-top:1px solid var(--public-border, #d7cec2)}.course-marketing-facts>div{display:flex;flex-direction:column;gap:8px;padding:20px 12px;border-bottom:1px solid var(--public-border, #d7cec2)}.course-marketing-facts dt{font-size:13px;color:var(--public-muted, #6e6760)}.course-marketing-facts dd{order:-1;font:400 28px/1.2 Georgia,serif;color:var(--public-text, #2a2623)}.course-marketing-overview,.course-marketing-access{padding:64px 24px}.course-marketing-overview-inner,.course-marketing-access-inner{max-width:1120px;margin:auto}.course-marketing-overview h2,.course-marketing-access h2{font:400 clamp(30px,4vw,44px)/1.15 Georgia,serif;letter-spacing:-.025em;margin:18px 0}.course-marketing-overview p:not(.course-reference),.course-marketing-access p:not(.course-reference){max-width:720px;font-size:16px;line-height:1.75;color:var(--collection-muted)}.course-marketing-topics{display:flex;flex-wrap:wrap;gap:12px 30px;padding:24px 0;margin-top:24px;border-top:1px solid var(--collection-rule);border-bottom:1px solid var(--collection-rule);font-size:14px}.course-marketing-access{scroll-margin-top:100px}.course-marketing-access .course-marketing-button{margin-top:24px}.course-marketing-prices{display:flex;gap:20px 48px;flex-wrap:wrap;padding:24px 0;margin-top:24px;border-block:1px solid var(--collection-rule)}.course-marketing-prices dt{font-size:14px;color:var(--collection-muted)}.course-marketing-prices dd{font:400 32px/1.4 Georgia,serif;margin-top:6px}.course-marketing-faq{margin-top:48px}.course-marketing-faq details{border-top:1px solid var(--collection-rule);padding:6px 0 14px}.course-marketing-faq summary{padding:16px 0;cursor:pointer;font-size:17px}.course-marketing .d5-demo-workspace{--demo-accent: var(--course-accent)}.course-marketing .d5-demo-section>.d5-demo-inner>.d5-demo-footer a{color:var(--course-accent)}.course-revision-layout{display:grid;grid-template-columns:minmax(180px,1fr) minmax(0,2fr);gap:32px;margin-top:24px}.course-revision-index{display:flex;flex-direction:column}.course-revision-index button{min-height:48px;padding:12px 0;text-align:left;border-bottom:1px solid var(--demo-line);font-size:15px;color:var(--demo-muted)}.course-revision-index button[aria-pressed=true]{color:var(--demo-ink);border-bottom:2px solid var(--demo-accent)}.course-revision-content h3{font:400 30px/1.2 Georgia,serif;margin:8px 0 20px}.course-revision-content>p{font-size:17px;line-height:1.65}.course-revision-content ul{margin-top:20px;padding-left:20px;list-style:disc}.course-revision-content li{font-size:16px;line-height:1.65;margin-bottom:12px}.public-theme-page[data-public-theme=dark] .course-marketing-access .course-marketing-button{color:#211e19}@media (max-width: 767px){.course-collection{padding:48px 20px 56px}.course-collection-grid{grid-template-columns:minmax(0,1fr);gap:44px}.course-collection-heading{margin-bottom:32px}.course-collection-entry h3{font-size:32px}.course-marketing-hero{min-height:560px;padding:110px 20px 40px}.course-marketing-hero:before{background:#10100db3}.course-marketing-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.course-marketing-overview,.course-marketing-access{padding:44px 20px}.course-revision-layout{grid-template-columns:minmax(0,1fr);gap:24px}}