.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    color: white;
    border-radius: 10px;
    font-weight: bold;
    text-decoration: none;
    font-size: 16px;
    transition: background 0.3s ease;
}
.whatsapp-btn i {
    margin-right: 8px;
}