* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: Tahoma, sans-serif;
  background: #1a1a2e;
  color: #fff;
}

#scene3d {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.panel {
  position: relative;
  z-index: 2;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8%;
  pointer-events: none;
}

.panel h1 { font-size: 3rem; margin-bottom: 1rem; }
.panel p  { font-size: 1.2rem; opacity: 0.8; }