.wab-button {
    position: fixed;
    bottom: 15%;
    right: 20px;
    background-color: #25D366; /* verde WhatsApp */
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 9999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}
.wab-button:hover {
    transform: scale(1.1);
}
.wab-button i {
    font-size: 26px;
}