:root {
  --bg: #07111a;
  --surface: rgba(20, 26, 42, 0.78);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f6f8ff;
  --muted: rgba(246, 248, 255, 0.74);
  --accent: #93f0cf;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 22%, rgba(57, 148, 182, .28), transparent 22%),
    radial-gradient(circle at 55% 14%, rgba(75, 168, 188, .14), transparent 16%),
    linear-gradient(180deg, #0a1621 0%, #08111a 100%);
}

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

.card {
  width: min(720px, 100%);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}

.card a {
  color: var(--accent);
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .card {
    padding: 20px;
    border-radius: 16px;
  }

  .card p {
    font-size: 15px;
  }
}