.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  width: 48px;
  height: 48px;
}

.whatsapp-float img {
  width: 100%;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float img:hover {
  transform: scale(1.1);
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}
@media (max-width: 480px) {
  .whatsapp-float {
    display: none;
  }
}