/* WhatsApp floating button */
.whatsapp-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25D366;
  color: white;
  font-size: 28px;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 2000;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

.whatsapp-btn {
  opacity: 0;
  transform: translateY(20px);
  animation: whatsappFadeIn 1s forwards 1s; /* delay 1s */
}

@keyframes whatsappFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 575px) {
  .whatsapp-btn {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
}