.fixed-whatsapp{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:1000;width:62px;height:62px;display:grid;place-items:center;border-radius:50%;color:#fff;background:#25d366;border:3px solid #fff;box-shadow:0 10px 30px rgba(0,0,0,.3),0 0 0 7px rgba(37,211,102,.13);transition:transform .25s ease,box-shadow .25s ease;isolation:isolate}
.fixed-whatsapp::before{content:"";position:absolute;inset:-8px;border:1px solid rgba(37,211,102,.45);border-radius:inherit;z-index:-1;animation:whatsappPulse 2.2s ease-out infinite}
.fixed-whatsapp:hover{transform:translateY(-4px) scale(1.04);box-shadow:0 14px 36px rgba(0,0,0,.34),0 0 0 8px rgba(37,211,102,.16)}
.fixed-whatsapp:active{transform:scale(.96)}
.fixed-whatsapp svg{width:32px;height:32px;display:block;fill:currentColor}
@keyframes whatsappPulse{0%{transform:scale(.82);opacity:.75}75%,100%{transform:scale(1.25);opacity:0}}
@media(max-width:600px){.fixed-whatsapp{right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));width:57px;height:57px}.fixed-whatsapp svg{width:30px;height:30px}}
@media(prefers-reduced-motion:reduce){.fixed-whatsapp,.fixed-whatsapp::before{animation:none;transition:none}}