/* ==========================================================================
   BOTÃO FLUTUANTE DE WHATSAPP — CANAL DIRETO
   ========================================================================== */

.whatsapp-float-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  z-index: 850;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

.whatsapp-float-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}

.whatsapp-float-icon {
  width: 30px;
  height: 30px;
}

.whatsapp-float-tooltip {
  position: absolute;
  right: 68px;
  background-color: #000000;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-float-btn:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 640px) {
  .whatsapp-float-btn {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float-icon {
    width: 26px;
    height: 26px;
  }
  .whatsapp-float-tooltip {
    display: none;
  }
}