.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
}

.whatsapp-float:active {
  transform: scale(0.95);
}

@media (max-width: 600px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
    font-size: 28px;
  }
}