.whatsapp-button {
  position: fixed;
  bottom: 100px; /* adjust */
  left: 20px;
  background: #25D366; /* WhatsApp green */
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  text-decoration: none;
  z-index: 1000;
  animation: bounce 2s infinite;
}

.whatsapp-button i {
  font-size: 28px;
  color: #ffffff !important; /* force white */
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}