:root {
  color-scheme: light;
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --accent: #1d4ed8;
  --border: #dfe7f5;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

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

.card {
  max-width: 32rem;
  width: min(90vw, 32rem);
  padding: 2rem;
  border-radius: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 2.5rem);
}

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