.wa-float{--wa-green:#25d366;--wa-green-dark:#1ebe57;--wa-size:56px;position:fixed;right:50px;bottom:max(50px,env(safe-area-inset-bottom,0px));z-index:1200;text-decoration:none}.wa-float,.wa-float__btn{display:flex;align-items:center;justify-content:center;width:var(--wa-size);height:var(--wa-size)}.wa-float__btn{position:relative;z-index:1;border-radius:50%;background:var(--wa-green);color:#fff;font-size:30px;box-shadow:0 4px 16px rgba(37,211,102,.4);transition:transform .2s ease,background .2s ease,box-shadow .2s ease}.wa-float:hover .wa-float__btn{background:var(--wa-green-dark);transform:scale(1.06);box-shadow:0 6px 20px rgba(37,211,102,.5)}.wa-float:focus-visible{outline:2px solid var(--wa-green);outline-offset:4px;border-radius:50%}.wa-float__wave{position:absolute;inset:0;border-radius:50%;background:rgba(37,211,102,.45);pointer-events:none;animation:wa-float-wave 2.4s ease-out infinite}.wa-float__wave--delay{animation-delay:.8s}.wa-float__wave--delay-2{animation-delay:1.6s}@keyframes wa-float-wave{0%{transform:scale(1);opacity:.7}to{transform:scale(2.15);opacity:0}}@media (prefers-reduced-motion:reduce){.wa-float__wave{animation:none;opacity:0}}@media (max-width:640px){.wa-float{--wa-size:52px;right:14px;bottom:max(14px,env(safe-area-inset-bottom,0px))}.wa-float__btn{font-size:28px}}