.intro-course{max-width:1080px;padding-block:50px 80px}.intro-course ::selection{background:#c2e7e4;color:var(--ink)}.intro-course h1,.intro-course h2{letter-spacing:-.03em;text-wrap:balance}.course-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px;margin-bottom:30px}.course-breadcrumb a,.course-program a,.course-related a{color:var(--deep);text-decoration:underline;text-underline-offset:4px}.course-intro h1{font-size:clamp(38px,5vw,65px)}.course-lead{font-size:clamp(19px,2vw,25px);max-width:760px;margin-top:24px;line-height:1.55}.course-description{max-width:72ch;font-size:15px;color:var(--muted);margin-top:22px}.course-intro .actions{margin-top:28px}.course-program{max-width:75ch;font-size:13px;margin-top:24px;color:var(--muted)}.course-list{list-style:none;padding:0;margin:52px 0 0;border-bottom:1px solid var(--line)}.course-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;padding:32px 0;border-top:1px solid var(--line);scroll-margin-top:24px}.course-number{color:var(--deep);font-size:18px;font-variant-numeric:tabular-nums;padding-top:3px}.course-film h2{font-size:clamp(21px,2.2vw,29px);font-weight:550;line-height:1.3;max-width:30ch}.course-player{margin-top:18px}.course-player summary{cursor:pointer;min-height:44px;display:list-item;list-style-position:inside;width:fit-content;max-width:100%;padding:10px 16px;color:var(--deep);background:#eaf2f0;border-radius:4px;font-size:14px;font-weight:600;line-height:1.6}.course-player summary:hover{background:#dcece8}.course-player[open] summary{margin-bottom:18px}.course-screen:has(iframe){aspect-ratio:16/9;background:#101b1e}.course-screen iframe{display:block;width:100%;height:100%;border:0}.course-source{display:inline-block;min-height:44px;padding-top:12px;color:var(--deep);text-decoration:underline;text-underline-offset:4px;font-size:13px}.course-related{padding-top:48px}.course-related h2{font-size:28px;line-height:1.3}.course-related p{margin-top:22px;font-size:15px}.course-related nav{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:13px;margin-top:26px}.course-related a{overflow-wrap:anywhere}@media (max-width:600px){.intro-course{padding-block:32px 56px}.course-breadcrumb{font-size:12px;gap:8px;margin-bottom:26px}.course-description{font-size:14px}.course-list{margin-top:38px}.course-item{grid-template-columns:32px minmax(0,1fr);gap:12px;padding-block:28px}.course-number{font-size:15px}.course-player summary{padding-inline:11px;font-size:13px}.course-intro .button{justify-content:center;padding-inline:16px}.course-related h2{font-size:25px}}