html,body,#original-root{margin:0;width:100%;height:100%;overflow:hidden;background:#000}#original-root{position:relative}#original-root>div{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}canvas{display:block;width:100%;height:100%}
/* Original hero container geometry. The frame viewport remains the real window. */
#original-root{height:clamp(30rem,140vw,42rem);mask-image:linear-gradient(black 30%,transparent 70%)}
@media(min-width:40rem){#original-root{height:44rem}}
@media(min-width:64rem){#original-root{height:100%;mask-image:none}}