.demo-feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center;padding-block:48px 55px}
.demo-feature-copy h2{font-size:34px;line-height:1.5;font-weight:500;margin:14px 0}
.demo-feature-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.9}
.demo-tag{display:inline-block;padding:4px 9px;background:var(--green);color:white;font-size:11px;line-height:1.6}
.demo-feature-copy>.demo-tag{margin-top:15px;background:#eee8d9;color:var(--green)}
.demo-facts{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.demo-facts span{border:1px solid var(--line);padding:5px 10px;font-size:13px}
.demo-feature-copy .text-link{font-size:15px}
.demo-player{min-width:0}.format-switch{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.format-switch button{border:1px solid var(--line);padding:9px 15px;background:white;color:var(--green);font-size:13px;cursor:pointer}
.format-switch button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}
.video-stage{background:#123b2d;border:1px solid var(--line);display:flex;justify-content:center}
.video-stage video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain}.video-stage.portrait video{aspect-ratio:9/16;width:min(100%,290px)}
.demo-caption{font-size:12px;color:var(--muted);margin-top:10px}
.demo-library{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.demo-card{background:white;border:1px solid var(--line)}.topic-open{display:block;width:100%;border:0;padding:0;text-align:left;background:none;color:inherit;cursor:pointer}
.demo-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}.demo-thumb img{width:100%;height:100%;object-fit:cover;object-position:center 12%;transition:transform .3s}.topic-open:hover .demo-thumb img{transform:scale(1.03)}
.demo-thumb .demo-tag{position:absolute;left:14px;top:14px}.duration-tag{position:absolute;right:12px;bottom:12px;font-size:11px;background:rgba(20,44,34,.9);color:white;padding:4px 8px}
.demo-card-copy{padding:22px 24px}.demo-card-copy h3{font-size:21px;line-height:1.5;font-weight:600;margin:7px 0 10px}.demo-card-copy p{font-size:15px;color:var(--muted);line-height:1.85}.read-topic{display:flex;align-items:center;justify-content:space-between;margin-top:18px;border-top:1px solid var(--line);padding-top:12px;font-size:14px;color:var(--green)}
.video-section-heading>p{font-size:15px}.channel-card div>p:last-child{font-size:14px}.channel-status{font-size:12px}.legacy-topics[hidden]{display:none}
button:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
#topic-dialog{width:min(660px,calc(100% - 32px));max-height:85vh;border:1px solid var(--line);padding:0;background:var(--cream);color:var(--ink)}
#topic-dialog::backdrop{background:rgba(12,35,27,.65)}.topic-dialog-inner{position:relative;padding:36px}.close-topic{position:absolute;right:14px;top:9px;border:0;background:none;font-size:32px;color:var(--green);cursor:pointer}
#topic-title{font-size:27px;line-height:1.5;margin:18px 0 12px}#topic-intro{font-size:16px;color:var(--muted)}#topic-points{padding-left:25px;margin-block:20px}#topic-points li{padding:7px 0;font-size:16px}.topic-note{font-size:13px;color:var(--muted);margin-bottom:20px}
@media(max-width:900px){.demo-feature{grid-template-columns:1fr;gap:28px}.demo-feature-copy h2 br{display:none}.demo-feature-copy h2{font-size:30px}}
@media(max-width:650px){.demo-feature{padding-block:30px 35px}.demo-library{grid-template-columns:1fr;gap:20px}.demo-feature-copy h2{font-size:27px}.demo-card-copy{padding:19px}.demo-card-copy h3{font-size:20px}.demo-card-copy h3 br{display:none}.demo-thumb .demo-tag{left:10px;top:10px}.topic-dialog-inner{padding:28px 22px}#topic-title{font-size:23px}.video-section-heading h2 br{display:none}}
@media(prefers-reduced-motion:reduce){.demo-thumb img{transition:none}}