:root {
  --bg: #0f1b2d;
  --bg2: #16294a;
  --text: #f4f7fb;
  --muted: #9fb0c8;
  --accent: #5ec2a4;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: radial-gradient(1200px 700px at 70% -10%, var(--bg2), var(--bg));
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}
main { max-width: 36rem; }
.brand {
  margin: 0 0 1.5rem;
  font-size: .95rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}
h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.12;
  font-weight: 700;
}
.sub { margin: 0; color: var(--muted); font-size: 1.05rem; line-height: 1.6; }
.bar {
  display: block;
  width: 64px;
  height: 4px;
  margin: 2.2rem auto 0;
  border-radius: 4px;
  background: var(--accent);
}
@media (prefers-reduced-motion: no-preference) {
  main { animation: rise .8s ease both; }
  @keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
}