html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #071015;
  color: #f4fff9;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.fallback {
  position: fixed;
  z-index: 0;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 35%, rgba(120, 255, 214, 0.18), transparent 34%),
    #071015;
}

.fallback h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 4.8rem);
  font-weight: 800;
  letter-spacing: 0;
}

.fallback p {
  max-width: 560px;
  margin: 0 auto;
  color: #bad7d1;
  line-height: 1.5;
}

a-scene {
  position: relative;
  z-index: 1;
}