:root { color-scheme: dark; background: #000; }
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #000;
}
.splash {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 6vw, 96px);
}
h1 { margin: 0; width: min(100%, 720px); }
.logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72svh;
  object-fit: contain;
}