html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: black;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#universe {
  position: fixed;
  inset: 0;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #e5e7eb;
  text-align: center;
  pointer-events: none;
}

h1 {
  font-size: 3rem;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.1rem;
  opacity: 0.9;
}

.sub {
  font-size: 0.9rem;
  max-width: 640px;
  opacity: 0.6;
  margin-top: 1rem;
}