.whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9998;
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 15px #0003;
    transition: transform .2s ease;
}

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

.whatsapp-float svg {
    width: 31px;
    height: 31px;
    fill: currentColor;
}

@media (max-width: 600px) {
    .whatsapp-float {
        right: 16px;
        bottom: 16px;
    }
}