.header-dropdown.aircraft-category-nav .header-menu{display:none;grid-template-columns:1fr 1fr;min-width:530px;max-height:calc(100vh - 170px);overflow-y:auto;padding:18px;gap:0 12px}.header-dropdown.aircraft-category-nav[open] .header-menu{display:grid}.header-dropdown.aircraft-category-nav .header-menu a{font-size:17px;padding:11px 14px;white-space:nowrap}.header-dropdown.aircraft-category-nav .header-menu a:last-child{grid-column:1/-1;border-top:1px solid #a8824c44;margin-top:8px;padding-top:18px}@media(max-width:700px){.header-dropdown.aircraft-category-nav .header-menu{min-width:0;width:min(90vw,420px);grid-template-columns:1fr}.header-dropdown.aircraft-category-nav .header-menu a{font-size:15px}}

/* Read categories down each column: six jet classes, then five other groups. */
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(1){grid-column:1;grid-row:1}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(2){grid-column:1;grid-row:2}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(3){grid-column:1;grid-row:3}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(4){grid-column:1;grid-row:4}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(5){grid-column:1;grid-row:5}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(6){grid-column:1;grid-row:6}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(7){grid-column:2;grid-row:1}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(8){grid-column:2;grid-row:2}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(9){grid-column:2;grid-row:3}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(10){grid-column:2;grid-row:4}
.header-dropdown.aircraft-category-nav .header-menu a:nth-child(11){grid-column:2;grid-row:5}
.header-dropdown.aircraft-category-nav .header-menu a:last-child{grid-column:1/-1;grid-row:7}
@media(max-width:700px){.header-dropdown.aircraft-category-nav .header-menu a:nth-child(n){grid-column:1;grid-row:auto}}