* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #ffffff;
  }
  
  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .site-header {
    background: #0f172a;
    color: #fff;
  }
  
  .site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
  }
  
  .logo {
    font-size: 1.4rem;
    font-weight: 600;
  }
  
  .nav a {
    color: #e5e7eb;
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.95rem;
  }
  
  .nav a:hover {
    color: #ffffff;
  }
  
  .hero {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #fff;
    padding: 100px 0;
    text-align: center;
  }
  
  .hero h1 {
    font-size: 2.4rem;
    margin-bottom: 16px;
  }
  
  .hero p {
    max-width: 640px;
    margin: 0 auto 24px;
    font-size: 1.05rem;
    color: #e5e7eb;
  }
  
  .btn-primary {
    display: inline-block;
    background: #2563eb;
    color: #fff;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.95rem;
  }
  
  .btn-primary:hover {
    background: #1d4ed8;
  }
  
  .section {
    padding: 80px 0;
  }
  
  .section-light {
    background: #f8fafc;
  }
  
  .section h2 {
    text-align: center;
    font-size: 1.9rem;
    margin-bottom: 40px;
  }
  
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }
  
  .card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 24px;
  }
  
  .card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
  }
  
  .card p {
    font-size: 0.95rem;
    color: #4b5563;
  }
  
  .contact-email {
    font-weight: 500;
    margin-top: 8px;
  }
  
  .site-footer {
    background: #0f172a;
    color: #9ca3af;
    text-align: center;
    padding: 24px 0;
    font-size: 0.85rem;
  }