:root {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  }
  
  body {
    margin: 0;
    background: #0f172a;
    color: #f1f5f9;
  }
  
  .wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 16px;
  }
  
  .hero {
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid #1e3a8a;
  }
  
  h1 {
    margin: 0 0 10px;
    font-size: 40px;
    color: #38bdf8; /* azul claro */
  }
  
  .subtitle {
    margin: 10px 0 20px;
    color: #cbd5e1;
    font-size: 18px;
  }
  
  .btn {
    display: inline-block;
    margin-top: 10px;
    padding: 14px 22px;
    border-radius: 12px;
    background: #38bdf8;
    color: #0f172a;
    text-decoration: none;
    font-weight: 700;
    transition: 0.2s ease;
  }
  
  .btn:hover {
    background: #0ea5e9;
    transform: translateY(-2px);
  }
  
  .meta {
    margin-top: 24px;
    color: #94a3b8;
  }
  
  .card {
    margin-top: 24px;
    padding: 24px;
    border-radius: 16px;
    background: #111827;
    border: 1px solid #1e3a8a;
  }
  
  h2 {
    color: #38bdf8;
  }
  
  .foot {
    margin-top: 32px;
    color: #64748b;
  }