.divi-mega-menu {
  width: 260px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.mega-toggle {
  width: 100%;
  padding: 14px 18px;
  background: none;
  border: none;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.mega-panel {
  display: none;
  padding: 20px;
  background: #fff;
}

.has-mega.open .mega-panel {
  display: block;
}

.mega-grid {
  display: grid;
  gap: 20px;
}

.mega-grid.columns-3 { grid-template-columns: repeat(3,1fr); }
.mega-grid.columns-4 { grid-template-columns: repeat(4,1fr); }

.mega-search {
  width: 100%;
  padding: 10px;
  margin-bottom: 14px;
}

/* Mobile off-canvas */
@media (max-width: 980px) {
  .divi-mega-menu {
    position: fixed;
    left: -100%;
    transition: left .3s;
  }
  .divi-mega-menu.open {
    left: 0;
  }
}