.whatsapp-fab{position:fixed;z-index:120;right:24px;bottom:calc(22px + env(safe-area-inset-bottom,0px));display:flex;width:60px;height:60px;min-height:60px;align-items:center;justify-content:center;gap:0;padding:0;border:1px solid rgba(176,250,255,.45);border-radius:50%;background:linear-gradient(135deg,#28e5f1 0%,#08bfd0 100%);color:#06171b;text-decoration:none;box-shadow:0 12px 30px rgba(0,199,218,.26),inset 0 1px 0 rgba(255,255,255,.45);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;-webkit-tap-highlight-color:transparent}.whatsapp-fab:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 15px 34px rgba(0,199,218,.34),inset 0 1px 0 rgba(255,255,255,.5)}.whatsapp-fab:focus-visible{outline:3px solid #efffff;outline-offset:4px}.whatsapp-fab__icon{display:grid;width:42px;height:42px;flex:0 0 42px;place-items:center;border-radius:50%;background:#09252b;color:#78f4fb}.whatsapp-fab__icon svg{display:block;width:28px;height:28px}@media(max-width:680px){.whatsapp-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));width:58px;height:58px;min-height:58px}.whatsapp-fab__icon{width:38px;height:38px;flex-basis:38px}.whatsapp-fab__icon svg{width:28px;height:28px}}@media(prefers-reduced-motion:reduce){.whatsapp-fab{transition:none}.whatsapp-fab:hover{transform:none}}