/* Mega-menu (multi-column) */
.mega{position:relative}
.mega > summary, .mega > .mega-trigger{
  list-style:none; cursor:pointer; display:inline-flex; align-items:center; gap:6px;
  padding:8px 10px; border-radius:10px; color:var(--text); opacity:.95;
}
.mega > summary::-webkit-details-marker{display:none}
.mega[open] > summary, .mega:hover > .mega-trigger{background:var(--primary-50); color:var(--primary)}

.mega .mega-panel{
  position:absolute; left:50%; transform:translateX(-50%); top:100%;
  background:#fff; border:1px solid var(--border); border-radius:16px;
  box-shadow:var(--shadow); padding:16px; z-index:60;
  width:min(1000px, calc(100vw - 32px));
}
.mega .mega-grid{
  display:grid; gap:10px; grid-template-columns:repeat(4,1fr);
}
.mega .mega-col{padding:4px}
.mega .mega-item{
  display:block; padding:8px 10px; border-radius:10px; color:var(--text);
}
.mega .mega-item:hover{background:var(--primary-50); color:var(--primary)}
.mega .mega-footer{display:flex; justify-content:space-between; align-items:center; margin-top:8px}
.mega .mega-footer a{font-size:12px; color:var(--primary)}

@media(max-width:980px){
  .mega .mega-panel{
    position:relative; left:auto; transform:none; top:auto; width:100%;
    box-shadow:none; border-radius:12px; border:1px solid var(--border); padding:12px;
    margin-top:6px;
  }
  .mega .mega-grid{grid-template-columns:repeat(2,1fr)}
}