:root {
  --bg-1: #0f172a;
  --bg-2: #1e293b;
  --card: rgba(15, 23, 42, 0.72);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --border: rgba(148, 163, 184, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 35%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 720px;
  padding: 48px 32px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(10px);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
}

p {
  margin: 0 auto;
  max-width: 560px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.info {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

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

.info a:hover {
  color: var(--accent);
}

.info span {
  color: var(--muted);
}

@media (max-width: 520px) {
  .card {
    padding: 36px 22px;
  }

  .info {
    flex-direction: column;
    gap: 10px;
  }

  .info span {
    display: none;
  }
}