.whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: 80px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    text-decoration: none;
}

.whatsapp-float img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.whatsapp-float:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
}