/* whatsapp */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(0,0,0,.15);
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, opacity .2s ease;
  z-index: 9999;
}
.wa-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0,0,0,.18);
  opacity: 0.95;
}
.wa-icon {
  width: 28px;
  height: 28px;
  fill: #fff;
}