:root{color-scheme:light;--navy:#102a43;--teal:#007f82;--cream:#fff9f0;--red:#a6192e;--ink:#152b42}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:18px/1.5 Arial,sans-serif}header{background:var(--navy);color:white;display:flex;justify-content:space-between;align-items:center;padding:22px max(24px,calc((100vw - 1120px)/2));gap:24px}.brand{font-size:16px;letter-spacing:1px;font-weight:bold;color:white;text-decoration:none;white-space:nowrap}.brand span{color:#7dd3fc;margin-left:16px}.course{font-size:17px}main{max-width:1120px;margin:0 auto;padding:30px 24px 40px}.picker{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:26px}.picker label{font-weight:bold}.picker select{padding:10px 12px;font:inherit;border:1px solid #9aaebb;max-width:100%;background:white;color:var(--ink)}#duration{color:var(--teal);font-weight:bold}.intro{display:flex;justify-content:space-between;align-items:center;gap:24px}.eyebrow{font-size:14px;letter-spacing:1px;font-weight:bold;color:var(--teal);margin:0 0 12px;text-transform:uppercase}h1{font-size:42px;line-height:1.12;max-width:830px;margin:0 0 25px}#cast{display:flex;flex-shrink:0;gap:12px}#cast figure{margin:0;text-align:center;font-size:13px}#cast img{width:78px;height:74px;object-fit:contain}#cast figcaption{color:var(--teal);font-weight:bold}.steps{display:flex;border-bottom:1px solid #c7d9df;margin:0 0 24px;gap:24px}.steps button{border:0;border-bottom:4px solid transparent;background:transparent;color:#53677b;padding:12px 0;font-weight:bold}.steps button.active{border-color:var(--teal);color:var(--teal)}button{font:inherit;cursor:pointer;border:1px solid #bacbd3;background:white;color:var(--ink);padding:11px 18px;border-radius:3px}button.primary{background:var(--teal);color:white;border-color:var(--teal);font-weight:bold}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #e6a719;outline-offset:4px}.lead{font-size:22px;line-height:1.5;max-width:1000px;margin:0 0 22px}.video-wrap{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}.video-wrap iframe,#youtube-player{width:100%;height:100%;border:0}#poster-cover{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;background:#102a43}#poster-cover[hidden]{display:none}#poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:.7}#play{z-index:1;font-size:23px;padding:16px 30px}.play-controls{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}#player-status{font-size:15px;color:var(--teal)}.cue{font-size:17px;color:#53677b}section[hidden]{display:none}h2{font-size:33px;line-height:1.35;margin:0 0 26px;max-width:1040px}h3{font-size:16px;letter-spacing:.6px;color:var(--teal);text-transform:uppercase;margin:30px 0 12px}.prompt{color:#53677b;margin:22px 0;font-size:17px}#choices{display:grid;grid-template-columns:1fr 1fr;gap:18px}#choices button{text-align:left;padding:20px;display:flex;gap:16px;font-size:20px;line-height:1.4}#choices strong{font-size:25px;color:var(--teal)}#choices button.selected{outline:3px solid var(--teal);outline-offset:2px}#response-task{font-size:23px;font-weight:bold;color:var(--teal)}#answer-label{color:var(--red)}footer{border-top:1px solid #c7d9df;margin-top:34px;padding-top:18px;font-size:14px;color:#53677b}footer>a{color:var(--teal);margin-left:18px}footer>p{max-width:880px}footer small{font-size:12px}#answer-panel{padding-top:8px}@media(max-width:720px){header{flex-wrap:wrap;padding:18px 20px;gap:8px}.course{font-size:14px}main{padding:22px 18px}h1{font-size:31px}h2{font-size:26px}.lead{font-size:19px}.intro{align-items:flex-start}#cast{gap:4px}#cast img{width:50px;height:55px}#cast figure{font-size:11px}.steps{gap:18px}.steps button{font-size:16px}#choices{grid-template-columns:1fr}#choices button{font-size:18px}.picker select{width:100%}footer>a{display:block;margin:8px 0}#play{font-size:18px;padding:12px 20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}