:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: #e5eefb;
}

.card {
  width: min(92vw, 480px);
  padding: 32px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.75rem;
  color: #93c5fd;
}

h1 {
  margin: 10px 0 12px;
  font-size: 2rem;
  line-height: 1.1;
}

.description {
  color: #dbe4f0;
  line-height: 1.5;
  margin-bottom: 18px;
}

.button {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  color: #082f49;
  background: #bfdbfe;
  font-weight: 700;
}

.button:hover {
  background: #dbeafe;
}