/* botoes-flutuantes.css — WhatsApp + App flutuantes */
.fab-stack{position:fixed;right:22px;bottom:22px;z-index:110;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.fab{position:relative;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:var(--cobre-claro);background:linear-gradient(160deg,#1c1c1c,#0a0a0a);border:1px solid var(--linha-cobre);box-shadow:0 16px 32px rgba(0,0,0,.5),inset 1px 1px 0 rgba(255,255,255,.05);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.fab svg{width:24px;height:24px}
.fab:hover{transform:translateY(-3px) scale(1.05);border-color:rgba(200,138,101,.85);box-shadow:0 20px 44px rgba(0,0,0,.55),0 0 32px rgba(181,113,75,.16)}
.fab-whatsapp{background:linear-gradient(160deg,rgba(181,113,75,.95),rgba(117,70,47,.95));color:var(--branco)}
.fab-tooltip{position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;background:rgba(8,8,8,.86);border:1px solid var(--linha);color:var(--branco);font-size:11px;letter-spacing:.03em;padding:8px 12px;border-radius:9px;opacity:0;pointer-events:none;transition:opacity var(--transition),transform var(--transition);backdrop-filter:blur(10px)}
@media (pointer:fine){
  .fab:hover .fab-tooltip{opacity:1;transform:translateY(-50%) translateX(0)}
}
@media (max-width:820px){
  .fab-stack{right:16px;bottom:16px;gap:12px}
  .fab{width:50px;height:50px}
  .fab svg{width:21px;height:21px}
  .fab-tooltip{display:none}
}