body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #f9f9f9, #f0f4ff);
      margin: 0;
      padding: 40px;
      color: #333;
    }

    h1 {
      text-align: center;
      font-size: 2.8rem;
      margin-bottom: 40px;
      color: #2c3e50;
    }

    .container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      max-width: 1100px;
      margin: auto;
    }

    .card {
      background: #fff;
      border-radius: 15px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      padding: 25px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
      transform: translateY(-10px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    }

    .card h2 {
      font-size: 1.4rem;
      color: #1e3c72;
      margin-bottom: 15px;
    }

    .card ul {
      list-style: none;
      padding: 0;
      margin: 0 0 20px 0;
    }

    .card ul li {
      margin: 8px 0;
      font-size: 0.95rem;
      color: #555;
    }

    .btn {
      display: inline-block;
      text-decoration: none;
      background: linear-gradient(45deg, #007bff, #00c6ff);
      color: #fff;
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: bold;
      transition: 0.3s ease;
    }

    .btn:hover {
      background: linear-gradient(45deg, #0056b3, #0099cc);
      transform: scale(1.05);
    }