.donate-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff5f6d, #ffc371);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .donate-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 14px rgba(0,0,0,0.3);
  }

  .donate-button:active {
    transform: scale(0.98);
  }