.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    line-height: 55px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 9999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 14px rgba(0,0,0,0.4);
    color: #ffffff;
}

/* Optional pulse animation */
@keyframes whatsapp-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);
    }
}

.whatsapp-float.pulse {
    animation: whatsapp-pulse 1.5s infinite;
}