html, body { height: 100%; margin: 0; }
body {
  background: #0b0f14;
  color: #e8eef5;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}
h1 { font-size: clamp(2.5rem, 8vw, 5rem); font-weight: 600; letter-spacing: 0.02em; margin: 0; }