.btn {
      display: inline-block;
      background-color: #2563eb;
      color: white;
      padding: 12px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s;
      border: none;
      cursor: pointer;
      text-align: center;
  }

  .btn:hover {
      background-color: #1d4ed8;
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
  }