/* ============================================================
   BOTÃO WHATSAPP FLUTUANTE
   ============================================================ */

.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-float);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition-normal),
              transform var(--transition-normal),
              background var(--transition-fast);
  pointer-events: none;
}

.whatsapp-float.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: all;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background: #0FAF42;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--color-branco);
  flex-shrink: 0;
}

/* ── Tooltip ────────────────────────────────────────────── */
.whatsapp-float::before {
  content: 'Fale Conosco';
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-preto);
  color: var(--color-branco);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover::before {
  opacity: 1;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 24px;
    right: 20px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  .whatsapp-float::before {
    display: none;
  }
}