:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --card: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #38bdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #1d4ed8 0%, var(--bg) 45%);
  color: var(--text);
}

.page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.card {
  width: min(100%, 36rem);
  padding: 2rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.35);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
}

.lead {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.6;
}

code {
  font-size: 0.9em;
  color: var(--accent);
}

.meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}