/* Main navigation: native disclosure controls, small WebP previews, no menu library. */
.site-header .nav-shell { position: relative; grid-template-columns: 188px minmax(0, 1fr); gap: 30px; }
#primary-navigation .primary-menu { display: flex; justify-content: flex-end; align-items: stretch; gap: clamp(14px, 1.8vw, 28px); margin: 0; padding: 0; list-style: none; }
#primary-navigation .primary-item { position: relative; min-width: 0; }
#primary-navigation .has-mega-panel { position: static; }
#primary-navigation .nav-entry { position: relative; display: flex; gap: 10px; align-items: center; min-height: 92px; padding: 20px 0; color: #fff; font: inherit; cursor: pointer; border: 0; text-decoration: none; }
#primary-navigation a.nav-entry { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 5px; }
#primary-navigation .nav-entry::after { content: ''; position: absolute; bottom: 16px; left: 0; width: 0; height: 2px; background: var(--red-bright); transition: width .16s ease; }
#primary-navigation .nav-entry:hover::after,
#primary-navigation .is-current > .nav-entry::after,
#primary-navigation .is-current > details > .nav-entry::after,
#primary-navigation details[open] > .nav-entry::after { width: 25px; }
#primary-navigation .nav-label { display: block; color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .07em; line-height: 1.4; white-space: nowrap; text-transform: uppercase; }
#primary-navigation .nav-caption { display: block; margin-top: 5px; color: #bac1c4; font-size: 11px; font-weight: 400; line-height: 1.4; letter-spacing: 0; text-transform: none; white-space: nowrap; }
#primary-navigation a.nav-entry .nav-caption { margin-top: 0; }
#primary-navigation summary { list-style: none; }
#primary-navigation summary::-webkit-details-marker { display: none; }
.nav-chevron { width: 7px; height: 7px; margin-top: -8px; border: solid #bac1c4; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); transition: transform .16s ease; }
details[open] > summary .nav-chevron { transform: rotate(225deg); margin-top: 0; }
#primary-navigation .nav-panel { position: absolute; top: 100%; right: 0; z-index: 2; width: 300px; max-height: calc(100dvh - var(--nav-bottom, 92px) - 20px); overflow-y: auto; overscroll-behavior: contain; padding: 22px; color: var(--ink); border: 1px solid #e3e5e4; border-top: 3px solid var(--red); border-radius: 0 0 18px 18px; background: #fff; box-shadow: 0 24px 48px #10171f2e; }
#primary-navigation .mega-panel { left: 32px; right: 32px; width: auto; padding: 28px; }
.mega-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 22px; border-bottom: 1px solid #e7e9e7; }
.mega-eyebrow { margin: 0 0 7px; color: #9b2929; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.mega-heading h2 { margin: 0; color: #1c2327; font-size: 26px; font-weight: 700; line-height: 1.2; letter-spacing: -.035em; }
#primary-navigation .mega-overview { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 44px; padding: 10px 14px; border: 1px solid #dce0dd; border-radius: 8px; color: #28332e; background: #f4f7f4; font-size: 12px; line-height: 1.4; text-transform: none; letter-spacing: 0; }
#primary-navigation .mega-overview:hover { border-color: #849c8e; background: #eaf1ec; }
#primary-navigation .mega-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 20px -8px 0; padding: 0; list-style: none; }
#primary-navigation .mega-card { position: relative; display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 14px; align-items: center; height: 100%; min-height: 100px; padding: 9px; color: var(--ink); border: 1px solid transparent; border-radius: 11px; font-size: 13px; line-height: 1.4; text-transform: none; letter-spacing: 0; transition: background .16s ease, border-color .16s ease; }
#primary-navigation .mega-card:hover { background: #f3f5f2; border-color: #e2e7e1; color: var(--ink); }
#primary-navigation .mega-card[aria-current="page"] { background: #edf3ee; border-color: #9caf9f; }
.mega-thumbnail { width: 88px; height: 76px; margin: 0; border-radius: 7px; object-fit: cover; background: #f1f2ef; }
.mega-thumbnail-placeholder { display: grid; place-items: center; font-size: 24px; color: #46594e; }
.mega-card-copy { min-width: 0; }
.mega-card-title { display: block; color: #1c2327; font-size: 12px; line-height: 1.4; font-weight: 700; }
.mega-card-description { display: block; margin-top: 6px; color: #59615f; font-size: 12px; line-height: 1.45; font-weight: 400; }
.mega-card-arrow { display: none; }
.mega-brand { display: block; margin: 0 0 7px; color: #9b2929; font-size: 10px; font-weight: 700; letter-spacing: .12em; }
#primary-navigation .mega-panel-models .mega-card { grid-template-columns: minmax(0, 1fr) 20px; gap: 15px 10px; padding: 10px; align-items: start; }
.mega-panel-models .mega-thumbnail { grid-column: 1 / -1; width: 100%; height: auto; aspect-ratio: 8 / 5; }
.mega-panel-models .mega-card-title { font-size: 16px; }
.mega-panel-models .mega-card-arrow { display: block; align-self: center; font-size: 20px; color: #768479; }
.mega-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 20px; padding-top: 16px; border-top: 1px solid #e7e9e7; }
.mega-footer > span { max-width: 65ch; color: #64706b; font-size: 10px; line-height: 1.5; letter-spacing: .045em; }
#primary-navigation .mega-footer a { padding: 8px 0; min-height: 36px; color: #9b2929; font-size: 12px; text-transform: none; letter-spacing: 0; white-space: nowrap; }
#primary-navigation .nav-link-list { display: grid; gap: 4px; padding: 12px 0 0; margin: 0; list-style: none; }
#primary-navigation .nav-panel-link { display: block; min-height: 44px; padding: 12px; border-radius: 7px; color: var(--ink); font-size: 12px; text-transform: none; letter-spacing: 0; }
#primary-navigation .nav-panel-link:hover { color: var(--ink); background: #f3f5f2; }
#primary-navigation .nav-panel a::after { display: none; }
#primary-navigation :is(a, summary):focus-visible,
.site-header .menu-toggle:focus-visible { outline: 3px solid #85b8a0; outline-offset: 4px; border-radius: 6px; }

@media (min-width: 1121px) and (max-width: 1280px) {
    .site-header .nav-shell { grid-template-columns: 155px minmax(0, 1fr); gap: 20px; }
    .site-header .logo img { width: 155px; }
    #primary-navigation .primary-menu { gap: 15px; }
    #primary-navigation .nav-label { font-size: 10px; }
    #primary-navigation .mega-card { grid-template-columns: 72px minmax(0, 1fr); gap: 10px; }
    .mega-thumbnail { width: 72px; }
}
@media (max-width: 1120px) {
    .site-header .nav-shell { grid-template-columns: 1fr auto; min-height: 76px; gap: 12px; padding: 0 20px; }
    .site-header .logo img { width: 160px; }
    .site-header .menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid #ffffff40; border-radius: 50%; background: transparent; color: #fff; cursor: pointer; }
    .site-header.navigation-ready .menu-toggle { display: grid; gap: 4px; place-content: center; }
    .menu-toggle > span:not(.screen-reader-text) { display: block; width: 18px; height: 2px; background: currentColor; }
    .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
    .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    #primary-navigation { display: block; position: static; grid-column: 1 / -1; max-height: none; opacity: 1; visibility: visible; box-shadow: none; }
    .navigation-ready #primary-navigation { position: absolute; top: 100%; left: 12px; right: 12px; max-height: calc(100dvh - var(--nav-bottom, 76px) - 12px); overflow-y: auto; overscroll-behavior: contain; border-radius: 0 0 14px 14px; background: #1b2226; box-shadow: 0 24px 48px #10171f3d; visibility: hidden; opacity: 0; transition: none; }
    .navigation-ready #primary-navigation.is-open { visibility: visible; opacity: 1; }
    body.menu-open { overflow: hidden; }
    #primary-navigation .primary-menu { display: block; padding: 10px 16px 18px; }
    #primary-navigation .primary-item { border-bottom: 1px solid #ffffff1a; }
    #primary-navigation .primary-item:last-child { border-bottom: 0; }
    #primary-navigation .nav-entry { min-height: 66px; padding: 12px 4px; justify-content: space-between; }
    #primary-navigation a.nav-entry { justify-content: center; }
    #primary-navigation .nav-entry::after { display: none; }
    #primary-navigation .nav-label { font-size: 12px; }
    #primary-navigation .nav-chevron { margin-right: 5px; }
    #primary-navigation .nav-panel { position: static; width: auto; max-height: none; overflow: visible; margin: 0 0 12px; padding: 16px; border-top: 0; border-radius: 10px; box-shadow: none; }
    .mega-heading { align-items: flex-start; flex-wrap: wrap; gap: 12px; padding-bottom: 15px; }
    .mega-heading h2 { font-size: 22px; }
    #primary-navigation .mega-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; margin: 12px -6px 0; }
    #primary-navigation .mega-card { grid-template-columns: 88px minmax(0, 1fr); padding: 7px; min-height: 94px; gap: 12px; }
    #primary-navigation .mega-panel-models .mega-card { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; align-items: center; }
    .mega-thumbnail, .mega-panel-models .mega-thumbnail { grid-column: auto; width: 88px; height: 76px; }
    .mega-panel-models .mega-card-title { font-size: 13px; }
    .mega-panel-models .mega-card-arrow { display: none; }
    .mega-footer { margin-top: 14px; padding-top: 12px; }
}
@media (max-width: 600px) {
    #primary-navigation .primary-menu { padding: 8px 12px 16px; }
    #primary-navigation .nav-panel { padding: 14px; }
    #primary-navigation .mega-grid { grid-template-columns: minmax(0, 1fr); }
    .mega-heading { display: block; }
    #primary-navigation .mega-heading .mega-overview { margin-top: 12px; }
    .mega-footer { align-items: flex-start; }
    .mega-footer > span { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
    #primary-navigation *, .menu-toggle > span { transition: none; }
}