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

body {
  overflow: hidden; /* No scrolling in a spatial router */
  background-color: #000;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #fff;
}

#webgl-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 1;
}

#ui-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none; /* Let clicks pass through to canvas if needed */
}

.hero-content {
  text-align: center;
  pointer-events: auto; /* Enable clicks on content */
  mix-blend-mode: difference;
}

h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #aaa;
}

button {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 1rem 3rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 30px;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

button:hover {
  background: #fff;
  color: #000;
}