.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 65px;
    height: 65px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    transition: all 0.3s ease;
    z-index: 9999;
}

.whatsapp-float img {
    width: 32px;
    height: 32px;
    filter: invert(1);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0,0,0,0.35);
}