* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #ffffff;
  --fg: #0b0d12;
  --muted: #5a6378;
  --accent: #5b8cff;
  --accent-2: #9d7bff;
  --card: rgba(0,0,0,0.02);
  --border: rgba(0,0,0,0.10);
}

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(91,140,255,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(157,123,255,0.08), transparent 60%),
    var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.center {
  max-width: 640px;
  width: 100%;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem 2rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.links { display: flex; justify-content: center; gap: 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 8px 20px rgba(91,140,255,0.25);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(91,140,255,0.35); }
.btn:active { transform: translateY(0); }

@media (max-width: 480px) {
  .center { padding: 2.2rem 1.4rem; }
}