.whatsapp-button {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
} 

.whatsapp-button .icon {
  color: white;
  font-size: 32px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 767px) {
  .whatsapp-button {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-button .icon {
    font-size: 28px;
  }
}