.content-box { max-width: 1000px; margin: 60px auto; padding: 0 20px; text-align: center; }
  .contact-card { background: #f5f5f7; padding: 40px; border-radius: 24px; margin-top: 30px; display: inline-block; width: 100%; max-width: 800px; }
  .insta-btn { display: inline-flex; align-items: center; gap: 10px; background: #fff; color: #E1306C; padding: 15px 30px; border-radius: 50px; text-decoration: none; font-weight: 800; font-size: 1.1rem; margin-top: 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: 0.3s; }
  .insta-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(225, 48, 108, 0.2); }
  
  /* Form Styles */
  .form-group { margin-bottom: 15px; text-align: left; }
  input, select, textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 1rem; box-sizing: border-box; font-family: inherit; background: #fff; }
  input:focus, select:focus, textarea:focus { border-color: #007AFF; outline: none; }
  .submit-btn { background: #007AFF; color: white; border: none; padding: 12px 24px; border-radius: 8px; font-size: 1rem; cursor: pointer; width: 100%; font-weight: 600; transition: 0.2s; margin-top: 10px; }
  .submit-btn:hover { background: #005bb5; }
  .success { color: #10b981; margin-top: 15px; font-weight: bold; background: #d1fae5; padding: 10px; border-radius: 8px; }
  .error { color: #ef4444; margin-top: 15px; font-weight: bold; background: #fee2e2; padding: 10px; border-radius: 8px; }

  @media (max-width: 600px) {
    .content-box { margin: 30px auto; }
    .contact-card { padding: 25px; }
  }

  /* Loading Spinner */
  .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
  }
  
  @keyframes spin {
    to { transform: rotate(360deg); }
  }