.whatsapp-float{position:fixed;bottom:6rem;right:2rem;width:50px;height:50px;background:linear-gradient(135deg,#25d366 0,#128c7e 100%);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,.4);opacity:0;visibility:hidden;transform:translateY(100px) scale(.8);transition:transform .3s cubic-bezier(.34, 1.56, .64, 1),opacity .3s ease;will-change:transform,opacity;z-index:9998;text-decoration:none}.whatsapp-float.visible{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.whatsapp-float:hover{background:linear-gradient(135deg,#128c7e 0,#075e54 100%);transform:translateY(-5px) scale(1.05);box-shadow:0 6px 24px rgba(37,211,102,.5)}.whatsapp-float svg{width:24px;height:24px;transition:transform .3s ease}.whatsapp-float:hover svg{transform:scale(1.1) rotate(5deg)}.whatsapp-float:active{transform:translateY(-2px) scale(1.02);box-shadow:0 3px 12px rgba(37,211,102,.4)}@keyframes whatsappPulse{0%{box-shadow:0 4px 16px rgba(37,211,102,.4)}50%{box-shadow:0 4px 24px rgba(37,211,102,.6),0 0 0 8px rgba(37,211,102,.1)}100%{box-shadow:0 4px 16px rgba(37,211,102,.4)}}.whatsapp-float.visible{animation:whatsappPulse 2s ease-in-out infinite}.whatsapp-float:hover{animation:none}@media (max-width:767px){.whatsapp-float{width:45px;height:45px;bottom:5.5rem;right:1.5rem}.whatsapp-float svg{width:20px;height:20px}}@media (min-width:768px) and (max-width:1023px){.whatsapp-float{width:48px;height:48px;bottom:5.75rem}.whatsapp-float svg{width:22px;height:22px}}