body {
      font-family: Arial, sans-serif;
      background: linear-gradient(to right, #2c3e50, #3498db);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }
    .contact-form {
      background: #fff;
      padding: 25px;
      border-radius: 12px;
      box-shadow: 0 8px 16px rgba(0,0,0,0.2);
      width: 320px;
    }
    .contact-form h2 {
      text-align: center;
      margin-bottom: 20px;
      color: #2c3e50;
    }
    .form-group {
      margin-bottom: 15px;
    }
    .form-group label {
      display: block;
      margin-bottom: 6px;
      font-weight: bold;
      color: #333;
    }
    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 6px;
      outline: none;
    }
    .form-group textarea {
      resize: none;
      height: 80px;
    }
    .submit-btn {
      width: 100%;
      padding: 12px;
      background: #3498db;
      color: #fff;
      font-size: 16px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.3s ease;
    }
    .submit-btn:hover {
      background: #2c82c9;
    }
    .success {
      text-align: center;
      color: green;
      margin-top: 15px;
      font-weight: bold;
      display: none;
    }