#whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:9999;background-color:#25d366;color:#fff;width:64px;height:64px;border-radius:50%;text-decoration:none;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000040;transition:transform .2s ease,box-shadow .2s ease;flex-shrink:0}#whatsapp-float i{font-size:32px;line-height:1;display:block}#whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000004d}#whatsapp-float:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid rgba(37,211,102,.6);animation:wa-pulse 2.8s ease-out infinite;pointer-events:none}@keyframes wa-pulse{0%{top:0;right:0;bottom:0;left:0;opacity:.5}to{top:-14px;right:-14px;bottom:-14px;left:-14px;opacity:0}}@media (max-width: 768px){#whatsapp-float{bottom:80px;right:16px;width:52px;height:52px}#whatsapp-float i{font-size:26px}}