.unit-course{background:var(--cinema-bg);min-height:100svh;color:var(--cinema-text);padding:28px max(20px,5vw) 64px}.unit-course a{color:inherit;text-decoration:none}:is(.unit-course a:focus-visible,.unit-course summary:focus-visible){outline:3px solid var(--cinema-accent);outline-offset:5px}.unit-nav{justify-content:space-between;align-items:center;gap:20px;max-width:1160px;margin:0 auto 40px;font-size:16px;display:flex}.unit-nav>a{align-items:center;gap:9px;display:inline-flex}.unit-nav>a:first-child{font-weight:650}.unit-nav svg{color:var(--cinema-accent)}.unit-main{max-width:1160px;margin:auto}.unit-hero{grid-template-columns:1fr 42%;align-items:center;gap:40px;margin-bottom:36px;display:grid}.unit-kicker{color:var(--cinema-accent);letter-spacing:.16em;text-transform:uppercase;margin:0 0 12px;font-size:14px}.unit-hero h1,.packet-heading h1{letter-spacing:-.04em;margin:0 0 18px;font-size:clamp(32px,4.3vw,54px);font-weight:550;line-height:1.12}.unit-hero p:last-child{color:var(--cinema-muted);font-size:16px;line-height:1.6}.unit-art{aspect-ratio:16/9;object-fit:contain;border:1px solid #ffffff20;border-radius:14px;width:100%}.featured-class{background:linear-gradient(110deg,#142f36,#102030);border:1px solid #8ce5d34d;border-radius:12px;justify-content:space-between;align-items:center;gap:24px;margin:0 0 36px;padding:24px 28px;display:flex}.featured-class:hover{border-color:#8ce5d3}.featured-class span{color:var(--cinema-accent);margin-bottom:8px;font-size:14px;display:block}.featured-class h2{letter-spacing:-.025em;margin:0 0 10px;font-size:clamp(21px,2.5vw,28px);line-height:1.3}.featured-class p{color:var(--cinema-muted);margin:0;font-size:14px}.featured-class>svg{color:var(--cinema-accent);flex-shrink:0}.unit-section-label{margin:0 0 15px;font-size:18px;font-weight:550}.module-list{border-top:1px solid #ffffff25}.module-disclosure{border-bottom:1px solid #ffffff25;scroll-margin-top:24px}.module-disclosure>summary{cursor:pointer;align-items:center;gap:14px;padding:23px 4px;font-size:19px;font-weight:550;list-style:none;display:flex}.module-disclosure>summary::-webkit-details-marker{display:none}.module-disclosure>summary:before{content:"+";color:var(--cinema-accent);width:16px;font-size:22px}.module-disclosure[open]>summary:before{content:"−"}.module-disclosure>summary small{color:var(--cinema-muted);margin-left:auto;font-size:14px;font-weight:400}.class-list{margin:0;padding:0 0 15px;list-style:none}.class-row{border-radius:8px;grid-template-columns:105px 1fr auto;align-items:center;gap:16px;padding:15px 18px;font-size:16px;display:grid}.class-row.available{background:#172b3b}.class-row.available:hover{background:#213b4c}.class-row>span:first-child{font-weight:600}.class-row-title{margin-bottom:4px;display:block}.class-row small{color:var(--cinema-muted);font-size:14px;line-height:1.5;display:block}.class-status{color:#a9bdce;white-space:nowrap;font-size:14px}.available .class-status{color:var(--cinema-accent)}.packet-breadcrumb{color:var(--cinema-muted);flex-wrap:wrap;gap:8px;margin:0 0 26px;font-size:14px;line-height:1.6;display:flex}.packet-breadcrumb a{text-underline-offset:4px;text-decoration:underline}.packet-heading{max-width:950px;margin-bottom:28px}.packet-heading h1{font-size:clamp(30px,3.8vw,48px)}.presentation-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.presentation-header h2{margin:0;font-size:20px;font-weight:550}.gamma-link{text-underline-offset:4px;align-items:center;gap:8px;font-size:16px;display:inline-flex;color:var(--cinema-accent)!important;text-decoration:underline!important}.gamma-frame{background:#111e2b;border:1px solid #ffffff30;border-radius:12px;width:100%;height:clamp(420px,70svh,850px);display:block}.embed-help{color:var(--cinema-muted);margin:12px 0 30px;font-size:14px;line-height:1.6}.packet-extra{border-top:1px solid #ffffff25;border-bottom:1px solid #ffffff25;padding:20px 0}.packet-extra>summary{cursor:pointer;font-size:16px}.packet-extra ul{grid-template-columns:1fr 1fr;gap:20px;margin:0;padding:10px 0 0;list-style:none;display:grid}.packet-extra li{font-size:16px;line-height:1.5}.packet-extra li span{color:var(--cinema-muted);font-size:14px;display:block}.packet-back{align-items:center;gap:10px;margin-top:30px;font-size:16px;display:inline-flex;color:var(--cinema-accent)!important}@media (max-width:650px){.unit-nav{align-items:flex-start;margin-bottom:30px;font-size:14px}.unit-hero{grid-template-columns:1fr;gap:18px}.unit-art{max-height:220px}.featured-class{padding:21px}.module-disclosure>summary{flex-wrap:wrap;font-size:18px}.module-disclosure>summary small{width:100%;margin-left:30px}.class-row{grid-template-columns:75px 1fr;gap:10px;padding:14px 10px}.class-status{grid-column:2}.packet-extra ul{grid-template-columns:1fr}.presentation-header{flex-wrap:wrap;align-items:flex-start}.gamma-frame{height:65svh;min-height:400px}}