:root {
  color-scheme: dark;
  --bg-start: #0f172a;
  --bg-end: #1e293b;
  --card: rgba(15, 23, 42, 0.7);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, var(--bg-end), var(--bg-start) 65%);
  display: grid;
  place-items: center;
}

.container {
  width: min(680px, calc(100vw - 2rem));
  padding: 2.5rem 2rem;
  text-align: center;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 30px 80px rgba(2, 6, 23, 0.55);
}

.hero {
  width: 140px;
  height: 140px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.75rem;
  margin: 1rem 0 0.5rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.lead {
  margin: 1rem auto 0;
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.6;
}