.whatsapp-fab{position:fixed;right:calc(20px + env(safe-area-inset-right));bottom:calc(20px + env(safe-area-inset-bottom));z-index:60;display:inline-flex;align-items:center;gap:10px;min-height:54px;padding:0 18px 0 14px;border:1px solid #157f3e;border-radius:999px;background:#25d366;color:#092d1a;text-decoration:none;font:700 12px/1 Inter,Arial,sans-serif;letter-spacing:.01em;box-shadow:0 12px 30px #0b302538;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.whatsapp-fab svg{width:27px;height:27px;flex:none}.whatsapp-fab:hover{transform:translateY(-2px);background:#45df7a;box-shadow:0 16px 34px #0b30234d}.whatsapp-fab:focus-visible{outline:3px solid #172b3a;outline-offset:4px}@media(max-width:760px){.whatsapp-fab{right:calc(14px + env(safe-area-inset-right));bottom:calc(14px + env(safe-area-inset-bottom));width:56px;height:56px;min-height:56px;padding:0;justify-content:center}.whatsapp-fab span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}}@media(prefers-reduced-motion:reduce){.whatsapp-fab{transition:none}}