/* Floating WhatsApp button + WhatsApp buttons */
.whatsapp-float {
    position: fixed; right: 18px; bottom: 18px; z-index: 1050;
    width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
    box-shadow: 0 6px 18px rgba(0,0,0,.2); text-decoration: none;
}
.whatsapp-float:hover { color: #fff; filter: brightness(.95); }
.btn-whatsapp { background: #25d366; border-color: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1ebe5b; border-color: #1ebe5b; color: #fff; }