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<title>scroll-anim-fallback — demos</title>
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  @media (prefers-color-scheme: dark) { :root { --ink: #eceff4; --paper: #14161a; } }
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    background: color-mix(in srgb, var(--ink) 5%, transparent);
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  small { opacity: .7; }
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<main>
  <h1>scroll-anim-fallback demos</h1>
  <p>
    Run <code>npm run build &amp;&amp; node examples/build.mjs</code> first, then open
    any demo. Append <code>?forceFallback=1</code> to any of them to exercise the
    fallback path even where native support exists.
  </p>
  <ul>
    <li><a href="reveal-on-enter.html"><strong>Reveal on enter</strong><small><code>view()</code> over the <code>entry</code> range → IntersectionObserver fallback</small></a></li>
    <li><a href="parallax-hero.html"><strong>Parallax hero</strong><small><code>view()</code> over <code>cover</code> → progress fallback driven by scroll + rAF</small></a></li>
    <li><a href="reading-progress.html"><strong>Reading progress bar</strong><small><code>scroll(root block)</code> → progress fallback over the document scroller</small></a></li>
  </ul>
  <p><small id="support"></small></p>
</main>
<script>
  document.getElementById('support').textContent = CSS.supports('animation-timeline: scroll()')
    ? 'This browser supports animation-timeline natively — use ?forceFallback=1 to see the fallback.'
    : 'This browser has no native animation-timeline support, so the demos already run the fallback.';
</script>
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