.whatsapp-btn-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  z-index: 9999;
  cursor: pointer;
  animation: pulse 2.5s infinite ease-in-out;
  transition: transform 0.2s ease;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.whatsapp-btn-float:hover {
  transform: scale(1.12);
}

.whatsapp-btn-float img {
  width: 32px;
  height: 32px;
}

@supports(padding: max(0px)) {
  .whatsapp-btn-float {
    bottom: calc(20px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 480px) {
  .whatsapp-btn-float {
    width: 50px;
    height: 50px;
    bottom: calc(15px + env(safe-area-inset-bottom));
    right: 15px;
  }

  .whatsapp-btn-float img {
    width: 28px;
    height: 28px;
  }
}

body.instagram .btn-float {
  display: none;
}