/* CES header navigation: shared alignment, clear groups, native disclosure. */
.header-inner { position: relative; padding-block: 18px; gap: 24px; }
.site-header .main-nav { gap: 6px; }
.nav-group { position: static; }
.nav-group > summary, .site-header .main-nav > a { min-height: 44px; padding: 10px 14px; border-radius: 4px; }
.nav-group > summary { gap: 10px; }
.nav-group[open] > summary, .nav-group > summary:hover, .site-header .main-nav > a:hover { background: var(--pale); color: var(--brand); }
.site-header a[aria-current="page"] { color: var(--brand); background: var(--pale); box-shadow: inset 3px 0 var(--brand); }
.nav-panel { top: calc(100% - 1px); left: auto; right: 28px; width: min(800px, calc(100% - 56px)); display: block; padding: 0; border: 1px solid var(--line); border-top: 3px solid var(--brand); border-radius: 0 0 8px 8px; box-shadow: 0 16px 32px rgb(41 39 42 / 12%); }
.nav-panel-intro { padding: 20px 24px 16px; border-bottom: 1px solid var(--line); }
.nav-panel-intro strong { display: block; font-size: 17px; line-height: 1.4; }
.nav-panel-intro > span { display: block; font-size: 14px; color: var(--muted); margin-top: 4px; }
.nav-vehicle-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 20px 24px 24px; }
.site-header .nav-head { font-size: 14px; font-weight: 800; padding: 10px 8px; margin: 0 0 8px; min-height: 44px; }
.site-header .nav-panel li a { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; padding: 9px 8px; border-radius: 3px; white-space: normal; line-height: 1.4; font-size: 14px; }
.site-header .nav-panel li a:hover { background: var(--pale); }
.site-header .nav-panel li a span { flex-shrink: 0; font-size: 12px; font-weight: 500; }
.nav-panel-codes { width: min(650px, calc(100% - 56px)); min-width: 0; }
.nav-panel-codes > ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; padding: 16px 24px 24px; }
.site-header .nav-panel-codes li a { display: block; font-size: 16px; font-weight: 800; padding: 12px; }
.site-header .nav-panel-codes li a span { margin-top: 4px; font-size: 13px; font-weight: 500; }
@media (min-width: 651px) and (max-width: 850px) {
 .header-inner { padding-inline: 20px; gap: 12px; }
 .brand { font-size: 18px; gap: 8px; }
 .brand-mark { width: 38px; height: 38px; font-size: 16px; }
 .site-header .main-nav { gap: 0; }
 .nav-group > summary, .site-header .main-nav > a { padding-inline: 10px; font-size: 14px; }
 .nav-panel { right: 20px; width: calc(100% - 40px); }
 .nav-vehicle-grid { gap: 12px; padding-inline: 16px; }
 .site-header .nav-panel-vehicles li a { display: block; }
}
@media (max-width: 650px) {
 .header-inner { padding: 14px 18px; gap: 0; }
 .js .nav-toggle { border-width: 1px; background: white; min-height: 44px; padding: 9px 13px; }
 .js .nav-toggle[aria-expanded="true"] { background: var(--pale); }
 .site-header .main-nav { gap: 0; margin-top: 16px; }
 .nav-group > summary, .site-header .main-nav > a { min-height: 50px; border-radius: 0; padding: 13px 10px; font-size: 16px; }
 .nav-panel { position: static; width: 100%; border: 0; border-radius: 0; box-shadow: none; padding: 0 0 12px; }
 .nav-panel-intro { padding: 14px 10px; border: 0; }
 .nav-panel-intro strong { display: none; }
 .nav-panel-intro > span { font-size: 13px; margin-top: 0; }
 .nav-vehicle-grid { grid-template-columns: 1fr; gap: 12px; padding: 0 2px 10px; }
 .nav-col + .nav-col { margin-top: 0; }
 .site-header .nav-head { margin-bottom: 4px; padding: 10px 8px; }
 .nav-col ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 12px; }
 .site-header .nav-panel-vehicles li a { display: block; padding: 10px 8px; }
 .site-header .nav-panel-vehicles li a span { margin-top: 2px; }
 .nav-panel-codes > ul { grid-template-columns: 1fr; gap: 2px; padding: 0 2px; }
 .site-header .nav-panel-codes li a { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: baseline; gap: 12px; }
 .site-header .nav-panel-codes li a span { margin: 0; }
}
@media print { .site-header .main-nav, .js .nav-toggle { display: none !important; } }

@media (min-width: 360px) and (max-width: 650px) {
 .site-header .nav-panel-vehicles li a { display: flex; gap: 6px; padding-block: 10px; }
 .site-header .nav-panel-vehicles li a span { margin-top: 0; }
}