.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 48px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.whatsapp-float:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-float::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  animation: pulse 2.5s infinite;
  z-index: -1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}