/* Floating WhatsApp button */
#wa-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366; /* WhatsApp green */
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
#wa-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.22);
}
#wa-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}
@media (max-width: 480px){
  #wa-float { width: 52px; height: 52px; bottom: 16px; right: 16px; }
  #wa-float svg { width: 26px; height: 26px; }
}