.whatsapp-float{
    position: fixed;
    left: 20px;
    bottom: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
    z-index: 9999;
    transition: 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover{
    transform: scale(1.1);
}

@keyframes pulse{
    0%{
        box-shadow: 0 0 0 0 rgba(37,211,102,0.7);
    }
    70%{
        box-shadow: 0 0 0 15px rgba(37,211,102,0);
    }
    100%{
        box-shadow: 0 0 0 0 rgba(37,211,102,0);
    }
}

@media(max-width:768px){
    .whatsapp-float{
        width: 55px;
        height: 55px;
        left: 15px;
        bottom: 20px;
    }
}