.wa-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 2000;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wa-float:hover {
  transform: scale(1.1) rotate(5deg);
  background-color: #128c7e;
  color: #fff;
}

@media (max-width: 768px) {
  .wa-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 26px;
  }
}