:root {
  --bg: #0f172a;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  color: var(--text);
}

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

.card {
  width: min(680px, 100%);
  background: var(--card);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: 3rem;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

code {
  background: #eff6ff;
  color: var(--accent);
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
}