.whatsapp-float-btn{display:none;display:flex;position:fixed;bottom:180px;right:20px;width:60px;height:60px;background:#25d366;border-radius:50%;box-shadow:0 2px 6px rgba(0,0,0,.3);z-index:9999;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}.whatsapp-float-btn svg{width:32px;height:32px;fill:white}.whatsapp-float-btn:hover{transform:scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,.4)}