:root {
  color-scheme: dark;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #000;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000;
}

body {
  position: fixed;
  inset: 0;
  isolation: isolate;
}

#light-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.brand {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 55%;
  width: min(90vw, 34rem);
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  user-select: none;
  text-shadow: 0 1px 18px rgb(0 0 0 / 70%);
}

.brand h1 {
  margin: 0;
  color: rgb(255 255 255 / 78%);
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 420;
  letter-spacing: .12em;
}

.brand p {
  margin: .65rem 0 0;
  color: rgb(255 255 255 / 38%);
  font-size: clamp(.66rem, 1.2vw, .78rem);
  font-weight: 400;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.static-glow {
  position: absolute;
  inset: 15% 8%;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 52%, rgb(82 255 190 / 22%), transparent 20%),
    radial-gradient(ellipse at 45% 48%, rgb(80 132 255 / 18%), transparent 32%),
    radial-gradient(ellipse at 56% 54%, rgb(230 80 255 / 13%), transparent 36%);
  filter: blur(36px);
}

@media (prefers-reduced-motion: reduce) {
  .brand { top: 54%; }
}