.whatsapp-float{position:fixed;bottom:70px;right:20px;width:64px;height:64px;background-color:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:999999;box-shadow:0 6px 18px rgba(0,0,0,0.3);text-decoration:none;transition:transform 0.2s ease,box-shadow 0.2s ease}.whatsapp-float i{color:#fff;font-size:34px}.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 8px 24px rgba(0,0,0,0.35)}