.whatsapp-float-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
    background: #20ba5c;
}

.whatsapp-float-btn i {
    transition: transform 0.3s ease;
    font-size: 28px;
}

.whatsapp-float-btn:hover i {
    transform: rotate(15deg);
}

/* Responsive */
@media (max-width: 768px) {
    .whatsapp-float-btn {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
}