body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0f172a, #020617);
    color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
  }
  .container {
    max-width: 600px;
    padding: 2rem;
  }
  h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  p {
    font-size: 1.1rem;
    opacity: 0.85;
  }
  .badge {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
  }