/* Bouton WhatsApp flottant — partagé sur toutes les pages */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: 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:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}
.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #fff;
}
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}