/* Floating WhatsApp Button */
#wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25D366;
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 1000;
  text-decoration: none;
  font-size: 28px;
  transition: transform 0.2s;
}
#wa-float:hover { transform: scale(1.1); }
@media (max-width: 820px) {
  #wa-float { width: 50px; height: 50px; bottom: 16px; right: 16px; }
}