:root {
  color-scheme: light;
  --bg-start: #0f172a;
  --bg-end: #1e293b;
  --card: rgba(255, 255, 255, 0.94);
  --text: #0f172a;
  --muted: #475569;
  --accent: #0f766e;
  --border: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(45, 212, 191, 0.18), transparent 36%),
    linear-gradient(135deg, var(--bg-start), var(--bg-end));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
  backdrop-filter: blur(12px);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.message {
  margin: 0 0 16px;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted);
}

.message--bold {
  margin-bottom: 0;
  font-weight: 800;
  color: var(--text);
}

@media (max-width: 640px) {
  .card {
    padding: 28px 22px;
    border-radius: 20px;
  }
}