.whatsapp-float {
  animation: whatsapp-bounce 1.6s infinite cubic-bezier(.25,.46,.45,.94);

  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 9999;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: background 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
  background: #1ebe57;
  box-shadow: 0 8px 32px rgba(0,0,0,0.20);
}
.whatsapp-float .bi-whatsapp {
  font-size: 2rem;
}
.whatsapp-float-message {
  position: fixed;
  bottom: 95px;
  right: 35px;
  background: #fff;
  color: #222;
  padding: 12px 18px;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  font-size: 1rem;
  z-index: 9999;
  min-width: 180px;
  display: none;
}
.whatsapp-float-message.active {
  display: block;
}