:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; }
.stage {
  min-height: 100svh;
  display: grid;
  place-items: center;
}
picture { display: contents; }
.hero {
  display: block;
  width: 100vw;
  height: 100svh;
  object-fit: contain;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}