/* Instrument catalog: two-level navigation and compact product browsing. */
.navigation{position:relative}.nav-item.has-catalog-menu{position:static}
.km-category-menu{left:0;right:0;top:100%;width:min(1280px,calc(100% - 64px));margin:0 auto;padding:24px;max-height:calc(100vh - 200px);overflow:auto;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 28px;border-top:3px solid var(--red);box-shadow:0 18px 32px #10273518}
.nav-item:hover>.km-category-menu,.nav-item:focus-within>.km-category-menu{display:grid}
.km-category-menu a{padding:5px 0;font-size:14px;line-height:1.5}.km-category-menu a:hover{background:transparent}
.km-menu-all{grid-column:1/-1;display:flex!important;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:16px!important;font-size:17px!important;font-weight:600}
.km-menu-all span,.km-menu-heading span{font-size:13px;font-weight:400;color:var(--quiet)}
.km-menu-heading{font-weight:600;font-size:16px!important;display:flex!important;justify-content:space-between;gap:8px;margin-bottom:8px}.km-menu-more{color:var(--red);margin-top:4px}
.km-breadcrumb{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;min-height:44px;font-size:13px;color:var(--muted);padding-block:10px}.km-breadcrumb a:hover{color:var(--red)}.km-breadcrumb [aria-current]{color:var(--ink)}
.catalog-banner{padding-block:32px}.catalog-banner .eyebrow{margin-bottom:8px}.catalog-banner h1{font-size:clamp(26px,3vw,38px)}.catalog-banner p{margin-top:12px;font-size:16px}
.catalog-layout{grid-template-columns:260px minmax(0,1fr);gap:32px;padding-top:32px}
.km-desktop-filter-title{font-size:18px!important;margin-bottom:16px!important}.km-mobile-filter-button{display:none}
.km-all-categories{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border:1px solid var(--line);font-size:15px;margin-bottom:12px}.km-all-categories.selected{background:var(--navy);color:white;border-color:var(--navy)}
.km-category-group{border-bottom:1px solid var(--line)}.km-category-group summary{list-style:none;display:flex;align-items:center;gap:8px;padding:14px 0;font-size:15px;font-weight:500;cursor:pointer;line-height:1.5}.km-category-group summary::-webkit-details-marker{display:none}.km-category-group summary>span:first-child{flex:1}.km-category-count{font-size:13px;color:var(--quiet)}.km-category-group summary .icon{width:15px;height:15px}.km-category-group[open] summary .icon{transform:rotate(180deg)}
.km-subcategories{padding:0 0 12px 12px;border-left:2px solid var(--line);margin-bottom:12px}.km-subcategories a{display:flex;justify-content:space-between;gap:8px;padding:8px 10px;font-size:14px;line-height:1.45}.km-subcategories a span{font-size:12px;color:var(--quiet)}.km-subcategories a:hover,.km-subcategories a[aria-current=page]{background:var(--paper);color:var(--red)}
.km-brand-filter{gap:12px;margin-bottom:16px}.km-brand-filter select{flex:1;min-width:160px;max-width:420px;font-size:15px;border:1px solid var(--line);background:white}.km-brand-filter .button{padding:10px 18px;min-height:44px}.km-brand-filter label{font-size:14px;color:var(--muted)}
.km-active-filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;font-size:13px}.km-filter-chip{display:inline-flex;gap:10px;align-items:center;border:1px solid var(--line);background:var(--paper);padding:5px 10px;max-width:100%;overflow-wrap:anywhere}.km-filter-chip a:hover,.km-clear-filters:hover{color:var(--red)}.km-clear-filters{color:var(--muted);padding:4px}
.catalog-results .result-count{font-size:14px;margin-bottom:20px;color:var(--muted)}.catalog-grid{gap:28px 20px}
.product-card .card-content h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-wrap:initial}.product-card .model{font-size:13px;margin-top:7px;overflow-wrap:anywhere}.km-card-brand{display:block;color:var(--quiet);font-size:12px;line-height:1.5;margin-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-card .km-card-summary{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.6;margin-top:10px}.product-card .text-link{font-size:13px;margin-top:12px}
.km-empty-state{border:1px solid var(--line);background:var(--paper);padding:32px}.km-empty-state h2{font-size:22px;margin-bottom:12px}.km-empty-state p{font-size:15px}.km-empty-state .button{margin-top:20px}
.measurement-routes{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.measurement-route,.measurement-route:first-child{display:flex;flex-direction:column;position:relative;gap:0;padding:24px;border:1px solid var(--line);background:white;transition:border-color .2s,background .2s}.measurement-route+.measurement-route{border-left:1px solid var(--line)}.measurement-route:hover{border-color:var(--red);background:var(--paper)}.measurement-route .route-index{display:none}.measurement-route h3{font-size:19px;line-height:1.5}.measurement-route p{font-size:14px;line-height:1.6;margin-top:10px}.measurement-route .route-models{font-size:12px;color:var(--red);margin-top:14px}.measurement-route .route-arrow{position:absolute;bottom:24px;right:20px}.measurement-route .route-arrow .icon{width:17px;height:17px}
@media(max-width:1100px){.km-category-menu{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.measurement-routes{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout{grid-template-columns:240px minmax(0,1fr);gap:24px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){
 .km-category-menu{display:none!important}.catalog-banner{padding-block:20px}.catalog-banner h1{font-size:28px}.catalog-banner p{font-size:14px;line-height:1.65;margin-top:8px}.catalog-banner .eyebrow{font-size:11px;margin-bottom:6px}.km-breadcrumb{font-size:12px;min-height:36px;padding-block:8px}
 .catalog-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-top:20px}.catalog-sidebar,.catalog-results,.km-brand-panel{display:contents}.km-desktop-filter-title,.sidebar-help{display:none}.km-mobile-filter-button{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;width:100%;padding:10px 12px;background:white;border:1px solid var(--line);font-size:14px}.km-mobile-filter-button[aria-expanded=true]{border-color:var(--ink);background:var(--paper)}.km-mobile-filter-button .icon{width:16px;height:16px}.km-mobile-filter-button[aria-expanded=true] .icon{transform:rotate(180deg)}
 .catalog-sidebar>.km-mobile-filter-button{grid-column:1;grid-row:1}.km-brand-panel>.km-mobile-filter-button{grid-column:2;grid-row:1}.km-panel-body:not(.is-open){display:none}.km-panel-body{grid-column:1/-1;background:white;border:1px solid var(--line);padding:14px}.km-panel-body#km-category-body{grid-row:2;max-height:60vh;overflow:auto}.km-panel-body#km-brand-body{grid-row:3}.km-brand-filter{margin:0;gap:10px}.km-brand-filter label{display:none}.km-brand-filter select{min-width:0;max-width:none;width:100%;font-size:14px}.km-brand-filter .button{font-size:13px;padding:10px 12px}
 .km-active-filters{grid-column:1/-1;grid-row:4;margin:0}.catalog-results .result-count{grid-column:1/-1;grid-row:5;margin:0;font-size:13px}.catalog-grid,.km-empty-state{grid-column:1/-1;grid-row:6}.catalog-results>.pagination{grid-column:1/-1;grid-row:7}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}
 .measurement-route,.measurement-route:first-child{padding:18px}.measurement-route h3{font-size:17px}.measurement-route p{font-size:13px}.measurement-route .route-arrow{bottom:18px;right:14px}
}
@media(max-width:580px){
 .catalog-banner h1{font-size:25px}.catalog-grid{display:block}.catalog-grid .product-card{margin-bottom:18px;padding-bottom:18px;grid-template-columns:88px minmax(0,1fr);gap:14px}.product-card .card-content h3{font-size:16px;line-height:1.5;-webkit-line-clamp:2}.product-card .km-card-summary{-webkit-line-clamp:2;font-size:13px;line-height:1.55;margin-top:7px}.product-card .model{font-size:12px;margin-top:5px}.km-card-brand{font-size:11px;margin-top:4px}.product-card .text-link{font-size:12px;margin-top:8px;min-height:32px}.product-card .card-image img{height:90px!important}.measurement-routes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.measurement-route,.measurement-route:first-child{padding:16px}.measurement-route h3{font-size:16px}.measurement-route p{display:none}.measurement-route .route-models{margin-top:12px}.measurement-route .route-arrow{bottom:14px;right:12px}.km-empty-state{padding:20px}.km-empty-state h2{font-size:19px}
}

/* Catalog totals are intentionally omitted from public navigation. */
@media(max-width:900px){.catalog-grid,.km-empty-state{grid-row:5}.catalog-results>.pagination{grid-row:6}}