:root {
  color-scheme: dark;
  --bg: #06111f;
  --text: #ebf2ff;
  --muted: #8fb4d8;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(14, 165, 233, 0.18), transparent 30%),
    linear-gradient(180deg, #020817 0%, var(--bg) 100%);
}

.page {
  text-align: center;
  padding: 32px;
}

.label {
  margin: 0 0 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1;
  font-weight: 700;
}