/* Botão flutuante do WhatsApp */
.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  color: white;
  border-radius: 50px;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  z-index: 9999;
  transition: background-color 0.3s ease;
}

.whatsapp-button:hover {
  background-color: #1ebe5d;
}