:root{--lt-accent:#0f766e;--wa-green:#25d366}.lt-whatsapp-btn{position:fixed;left:20px;bottom:20px;z-index:999;width:56px;height:56px;border-radius:50%;background:var(--wa-green);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.14);transition:transform .18s ease,box-shadow .18s ease}.lt-whatsapp-btn img{width:28px;height:28px}.lt-whatsapp-btn:hover{transform:scale(1.08);box-shadow:0 10px 28px rgba(0,0,0,.22)}.lt-whatsapp-cta{position:fixed;left:92px;bottom:28px;z-index:9998;display:none}.lt-whatsapp-cta-link{background:linear-gradient(90deg,var(--lt-accent),#10b981);color:#fff;padding:10px 14px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;box-shadow:0 6px 18px rgba(15,23,42,.12)}@media (min-width:768px){.lt-whatsapp-cta{display:block}}