body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      margin: 0;
      background-color: #f4f7f9;
      color: #333;
    }
    header {
      background-color: #004080;
      color: white;
      padding: 20px 40px;
      text-align: center;
    }
    nav {
      background-color: #003366;
      display: flex;
      justify-content: center;
    }
    nav a {
      color: white;
      padding: 15px 20px;
      text-decoration: none;
      font-weight: 600;
      transition: background-color 0.3s ease;
    }
    nav a:hover {
      background-color: #0059b3;
    }
    section {
      max-width: 900px;
      margin: 40px auto;
      padding: 0 20px;
    }
    h1, h2 {
      color: #004080;
    }
    .events-list, .members-list {
      list-style: none;
      padding: 0;
    }
    .events-list li, .members-list li {
      background: white;
      margin: 10px 0;
      padding: 15px 20px;
      border-radius: 6px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    footer {
      background-color: #003366;
      color: white;
      text-align: center;
      padding: 15px 20px;
      margin-top: 50px;
    }
    .contact-form input, .contact-form textarea {
      width: 100%;
      padding: 12px;
      margin: 10px 0 20px 0;
      border-radius: 5px;
      border: 1px solid #ccc;
      font-size: 1rem;
    }
    .contact-form button {
      background-color: #004080;
      color: white;
      border: none;
      padding: 12px 25px;
      cursor: pointer;
      font-weight: 600;
      border-radius: 5px;
      transition: background-color 0.3s ease;
    }
    .contact-form button:hover {
      background-color: #0059b3;
    }