:root {
  --bg-edge: #0b111c;
  --bg-glow: #13304a;
  --text: #e9eef7;
  --muted: #8a97ab;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  background: radial-gradient(ellipse at 50% 42%, var(--bg-glow) 0%, var(--bg-edge) 62%) var(--bg-edge);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  text-align: center;
}
.mark { width: min(200px, 50vw); height: auto; }
h1 {
  margin-top: 40px;
  font-size: clamp(48px, 12vw, 88px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1;
}
p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}