.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-btn ion-icon {
    font-size: 35px;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    background-color: #128C7E;
    color: white;
}

@media screen and (max-width: 768px) {
    .whatsapp-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-btn ion-icon {
        font-size: 30px;
    }
}