.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    color: #FFF;
    transform: scale(1.1) rotate(10deg);
}

.whatsapp-float i {
    margin-top: 2px;
}

/* Animación de pulso */
.whatsapp-float:before {
    content: "";
    position: absolute;
    border: 2px solid #25d366;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Responsivo */
@media screen and (max-width: 767px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 25px;
    }
}