.interactive-demo { margin: 3em 0; color: #dce4e1; background: #0b1214; border-top: 3px solid var(--brass); box-shadow: 0 24px 60px #11191b24; }
.interactive-demo__stage { position: relative; isolation: isolate; contain: layout paint; aspect-ratio: 16 / 9; overflow: hidden; background: #05060f; }
.interactive-demo__preview, .interactive-demo__preview picture, .interactive-demo__preview img, .interactive-demo iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.interactive-demo__preview { z-index: 1; isolation: isolate; }
.interactive-demo__preview picture, .interactive-demo__preview img { display: block; }
.interactive-demo__preview img { object-fit: cover; filter: saturate(.9) contrast(1.05); transform: scale(1.01); transition: filter .8s ease, transform 1.2s cubic-bezier(.2,.7,.2,1); }
.interactive-demo__preview:hover img { filter: saturate(1.08) contrast(1.08); transform: scale(1.045); }
.interactive-demo__preview img.interactive-demo__poster--recenter { transform: translateX(-11%) scale(1.18); }
.interactive-demo__preview:hover img.interactive-demo__poster--recenter { transform: translateX(-11%) scale(1.215); }
.interactive-demo__veil { position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, #02050920, #0205099c), radial-gradient(circle at 50% 52%, transparent 0 16%, #0205094d 62%, #020509b8 100%); pointer-events: none; }
.interactive-demo__controls { position: absolute; z-index: 2; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; text-align: center; }
.interactive-demo__badge { color: #d9c399; font: 700 9px/1.2 var(--mono); letter-spacing: .2em; text-transform: uppercase; }
.interactive-demo__controls button { display: inline-flex; align-items: center; gap: 11px; padding: 13px 20px; border: 1px solid #5ff2d6b8; border-radius: 999px; color: #071313; background: #5ff2d6; box-shadow: 0 12px 35px #5ff2d63b; font: 700 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: transform .25s ease, background-color .25s ease, box-shadow .25s ease; }
.interactive-demo__controls button:hover { background: #8cffe9; box-shadow: 0 16px 42px #5ff2d657; transform: translateY(-2px) scale(1.02); }
.interactive-demo__controls button:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.interactive-demo__controls button:disabled { cursor: wait; opacity: .88; transform: none; }
.interactive-demo.is-loading .interactive-demo__controls button span[aria-hidden] { animation: demo-loading-pulse .8s ease-in-out infinite alternate; }
.interactive-demo__controls button span { font-size: 10px; }
.interactive-demo__controls small { color: #d3dcda; font: 500 11px/1.5 var(--sans); text-shadow: 0 1px 8px #000; }
.interactive-demo iframe { display: block; border: 0; background: #05060f; }
.interactive-demo iframe.is-offscreen { visibility: hidden; }
/* Keep the viewport sized while loading: eager WebGL demos initialize before iframe.load. */
.interactive-demo iframe[hidden] { display: block; visibility: hidden; pointer-events: none; }
.interactive-demo figcaption { margin: 0; padding: 13px 16px; color: #aeb9b5; font: 500 12px/1.5 var(--sans); }
@media (max-width: 620px) { .interactive-demo__stage { aspect-ratio: 6 / 5; } }
@keyframes demo-loading-pulse { to { opacity: .35; transform: scale(.75); } }
@media (prefers-reduced-motion: reduce) { .interactive-demo.is-loading .interactive-demo__controls button span[aria-hidden] { animation: none; } }