/* Modal backdrop */
  .modal {
      display: none;
      /* Hidden by default */
      position: fixed;
      z-index: 1000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background-color: rgba(0, 0, 0, 0.5);
      /* semi-transparent background */
      justify-content: center;
      align-items: center;
      opacity: 0;
      transition: opacity 0.3s ease;
  }

  .modal.show {
      display: flex;
      opacity: 1;
  }

  /* Modal content */
  .modal-content {
      background-color: #fff;
      padding: 20px;
      border-radius: 12px;
      max-width: 400px;
      width: 80%;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      position: relative;
      transform: translateY(-50px);
      transition: transform 0.3s ease;
  }

  .modal.show .modal-content {
      transform: translateY(0);
  }

  /* Close button */
  .close {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 24px;
      cursor: pointer;
  }

  /* Button styling */
  .open-modal-btn {
      font-size: 16px;
      cursor: pointer;
      border: none;
      display: inline-block;
      padding: 12px 25px;
      border-radius: 30px;
      background: #ff9800;
      color: #fff;
      text-decoration: none;
      font-weight: bold;
      transition: background 0.3s, transform 0.3s;
  }

  .open-modal-btn:hover {
      background-color: #0056b3;
  }