/* Shared by the homepage feature and the standalone demonstration. */
.demo-feature { border-bottom: 1px solid var(--line); }
.demo-heading { display: grid; grid-template-columns: 1.15fr 1fr; align-items: end; gap: 64px; margin-bottom: 36px; }
.demo-heading h2 { margin: 0; }
.demo-heading > p { max-width: 540px; margin: 0 0 4px; }
.demo-player { min-width: 0; border: 1px solid #3b5848; border-radius: 12px; overflow: hidden; background: #101e17; box-shadow: 0 22px 65px #0003; }
.demo-player-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 20px; padding: 17px 22px; border-bottom: 1px solid var(--line); font-size: 12px; }
.demo-player-heading strong { font-weight: 500; color: var(--mint); letter-spacing: .05em; }
.demo-player-heading span { color: var(--muted); }
.demo-frame { position: relative; aspect-ratio: 16 / 9; background: #08120e; }
.demo-frame video { display: block; width: 100%; height: 100%; object-fit: contain; }
.demo-frame video:fullscreen { width: 100%; height: 100%; object-fit: contain; background: #000; }
.demo-cover-play { position: absolute; top: 50%; left: 76%; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 13px; border: 0; padding: 10px; background: transparent; color: #f4fff9; cursor: pointer; font: inherit; font-size: 13px; }
.demo-cover-play .play-disc { display: grid; place-items: center; width: 82px; height: 82px; padding-left: 5px; background: #73d9bd; color: #092015; border-radius: 50%; box-shadow: 0 0 0 12px #73d9bd18, 0 10px 40px #0007; transition: background .2s; }
.demo-cover-play:hover .play-disc { background: #abf0d9; }
.demo-cover-play svg { width: 27px; height: 27px; fill: currentColor; }
.demo-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 14px 18px; border-top: 1px solid var(--line); }
.demo-controls button, .demo-controls select, .demo-share { min-height: 42px; border: 1px solid #385645; border-radius: 5px; background: #152a1e; color: var(--text); padding: 9px 14px; font: inherit; font-size: 12px; cursor: pointer; }
.demo-controls button:hover, .demo-share:hover { background: #244333; border-color: var(--mint); }
.demo-controls [data-play] { min-width: 98px; background: var(--mint); color: #092015; border-color: var(--mint); font-weight: 700; }
.demo-controls [data-play]:hover { background: #a0ead3; }
.demo-controls label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.demo-controls select { padding-right: 7px; }
.demo-player button:focus-visible, .demo-player select:focus-visible, .demo-share:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.demo-player-status { flex: 1 1 180px; margin: 0 0 0 auto; text-align: right; font-size: 12px; color: var(--muted); }
.demo-player-status a { text-decoration: underline; color: var(--mint); }
.demo-topics { display: flex; gap: 24px; flex-wrap: wrap; padding: 22px 0 0; color: var(--muted); font-size: 12px; }
.demo-topics span { display: flex; align-items: center; gap: 10px; }
.demo-topics span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--mint); }
.demo-page .site-header { position: static; min-height: 82px; border-bottom: 1px solid var(--line); background: #0b1411; }
.demo-page .site-header .text-link { margin-left: auto; font-size: 13px; }
.demo-page main { padding-top: 40px; padding-bottom: 52px; }
.demo-page .demo-heading { grid-template-columns: 1.3fr 1fr; margin-bottom: 32px; }
.demo-page h1 { font-size: clamp(36px, 3.8vw, 52px); line-height: 1.08; letter-spacing: -.04em; }
.demo-page .demo-heading .eyebrow { margin-bottom: 20px; }
.demo-page .demo-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; border-top: 1px solid var(--line); padding-block: 24px; }
.demo-footer p { font-size: 12px; margin: 0; }
.demo-footer-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.demo-footer a { font-size: 12px; color: var(--mint); }
.demo-share-status { min-height: 20px; margin: 10px 0; text-align: right; font-size: 12px; }
@media (max-width: 800px) {
  .demo-heading { grid-template-columns: 1fr; gap: 24px; }
  .demo-page .demo-heading { grid-template-columns: 1fr; }
  .demo-heading > p { max-width: 620px; }
  .demo-cover-play .play-disc { width: 62px; height: 62px; }
  .demo-controls { gap: 8px; padding: 12px; }
  .demo-player-status { flex-basis: 100%; text-align: left; margin: 5px 0 0; }
  .demo-page main { padding-top: 36px; }
}
@media (max-width: 480px) {
  .demo-player-heading { padding: 12px 14px; font-size: 11px; }
  .demo-player-heading span { font-size: 11px; }
  .demo-cover-play { left: 78%; font-size: 11px; gap: 8px; }
  .demo-cover-play .play-disc { width: 44px; height: 44px; box-shadow: 0 0 0 7px #73d9bd18; }
  .demo-cover-play svg { width: 18px; height: 18px; }
  .demo-controls button, .demo-controls select { min-height: 44px; padding: 8px 10px; }
  .demo-controls [data-play] { min-width: 82px; }
  .demo-topics { gap: 14px 20px; font-size: 11px; }
  .demo-page .site-header { flex-wrap: wrap; gap: 16px; padding-block: 20px; }
  .demo-page .site-header .text-link { font-size: 12px; }
}