/* ─── FLOATING WA ─── */
.wa{
  position:fixed;bottom:26px;right:26px;z-index:200;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  box-shadow:0 8px 28px rgba(37,211,102,.4);
  transition:transform var(--t);text-decoration:none;
}
.wa:hover{transform:scale(1.12)}