/* ------------------------- whatsapp -- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 65px;
    height: 65px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 900;

    animation: whatsappPulse 2.4s ease-in-out infinite;
    transition: opacity .25s ease-out;
}

/* Pulso suave */
@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    50% {
        transform: scale(1.06);
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ------------------------- mobile -- */
@media (max-width: 768px) {
    .whatsapp-float.hide {
        opacity: 0;
        pointer-events: none;
    }
}