/* Arden's shared catalogue navigation: white search row, pale technical menu. */
:root { --site-header-height: 160px; --header-navy: #223e64; --header-line: #d8e4ed; }
html { scroll-padding-top: calc(var(--site-header-height) + 18px); }
.site-header.catalogue-header { background: #fff; border-bottom: 1px solid var(--header-line); backdrop-filter: none; color: #162e4e; }
.catalogue-header .header-top { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); height: 96px; }
.catalogue-header .header-top .brand-logo { width: 270px; }
.catalogue-header .header-top-actions { display: flex; align-items: center; gap: 26px; flex-shrink: 0; }
.catalogue-header .header-contact { font-size: 14px; padding-block: 12px; }
.catalogue-header .header-contact:hover { color: #315e8e; text-decoration: underline; text-underline-offset: 5px; }
.catalogue-header .header-quote { display: inline-flex; min-height: 48px; padding: 13px 22px; gap: 23px; background: var(--header-navy); border-color: var(--header-navy); border-radius: 4px; font-size: 13px; }
.catalogue-header .header-quote:hover { background: #142d4d; border-color: #142d4d; }
.catalogue-header .header-quote-short { display: none; }
.catalogue-header .menu-toggle { display: none; }
.header-search { position: relative; display: flex; align-items: stretch; flex: 1; min-width: 0; max-width: 620px; margin: 0 0 0 auto; border: 1px solid #8ca4bf; border-radius: 4px; background: #fff; }
.header-search:focus-within { border-color: #315e8e; box-shadow: 0 0 0 3px #557fa51a; }
.header-search input { width: 100%; min-width: 0; height: 48px; padding: 12px 8px 12px 18px; border: 0; border-radius: 4px; background: transparent; color: #142e4e; font-size: 14px; line-height: 1.4; }
.header-search input::placeholder { color: #7289a4; opacity: 1; }
.header-search input:focus { outline: none; }
.header-search-submit { display: flex; align-items: center; justify-content: center; flex: 0 0 49px; padding: 0; border: 0; border-radius: 0 4px 4px 0; background: transparent; color: #162f50; }
.header-search-submit:hover { background: #edf3f8; }
.header-search-submit:focus-visible { outline-offset: -4px; }
.header-search-submit .icon { width: 24px; height: 24px; }
.header-nav-bar { background: #edf3f8; border-top: 1px solid #e0e9f0; }
.header-navigation { display: flex; align-items: stretch; height: 62px; gap: 0; }
.header-mark { position: relative; align-self: center; width: 44px; height: 27px; flex-shrink: 0; margin-right: 45px; }
.header-mark::before, .header-mark::after { content: ''; position: absolute; top: 0; bottom: 0; width: 8px; background: #819bbd; transform: skew(-40deg); }
.header-mark::before { left: 13px; }
.header-mark::after { left: 27px; background: #b1c4d9; }
.header-nav-group { position: relative; display: flex; align-items: stretch; padding-inline: 27px; }
.header-nav-group:first-of-type { padding-left: 0; }
.header-nav-group:not(:last-of-type)::after { content: ''; position: absolute; right: 0; top: 17px; bottom: 17px; border-right: 1px solid #d4e1ec; }
.header-nav-link { position: relative; display: flex; align-items: center; gap: 13px; font-size: 14px; white-space: nowrap; }
.header-nav-link::after { content: ''; position: absolute; bottom: 5px; left: 0; right: 0; height: 3px; background: #315a8e; transform: scaleX(0); transform-origin: left; transition: transform .18s; }
.header-nav-link.is-current { font-weight: 700; color: #142e50; }
.header-nav-link:hover::after, .header-nav-link.is-current::after { transform: scaleX(1); }
.header-nav-link .icon { width: 19px; height: 19px; fill: #315a83; stroke-width: 0; }
.header-disclosure { display: flex; align-items: center; justify-content: center; align-self: center; width: 32px; min-height: 36px; margin-left: 4px; padding: 0; border: 0; border-radius: 3px; background: transparent; }
.header-disclosure:hover, .header-disclosure[aria-expanded="true"] { background: #dce7f0; }
.header-disclosure .icon { width: 17px; height: 17px; transition: transform .18s; }
.header-disclosure[aria-expanded="true"] .icon { transform: rotate(180deg); }
.header-downloads { display: flex; align-items: center; align-self: center; gap: 13px; margin-left: auto; padding: 3px 0 3px 28px; border-left: 1px solid #c4d5e4; color: #315a83; font-size: 14px; white-space: nowrap; }
.header-downloads:hover { color: #142e50; text-decoration: underline; text-underline-offset: 5px; }
.header-downloads .icon { width: 24px; height: 24px; }
.header-dropdown { position: absolute; top: 100%; left: 0; max-height: calc(100dvh - var(--site-header-height) - 16px); overflow-y: auto; overscroll-behavior: contain; padding: 22px; border: 1px solid var(--header-line); border-radius: 0 0 6px 6px; background: #fff; box-shadow: 0 15px 35px #18324e1c; z-index: 3; }
.header-products-menu { width: min(680px, calc(100vw - 112px)); }
.header-dropdown-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 16px; margin-bottom: 10px; border-bottom: 1px solid #e2eaf1; font-size: 13px; }
.header-dropdown-heading>a { display: inline-flex; align-items: center; gap: 6px; color: #315a83; font-size: 12px; }
.header-dropdown-heading .icon { width: 16px; height: 16px; }
.header-category-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px 10px; }
.header-category-links>a { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 44px; padding: 8px 10px; border-radius: 3px; color: #355572; font-size: 12px; line-height: 1.5; }
.header-category-links>a>.icon { width: 14px; height: 14px; }
.header-category-links>a:hover, .header-applications-menu>a:hover { color: #142e50; background: #edf4f9; }
.header-applications-menu { width: 320px; padding: 12px; }
.header-applications-menu>a { display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 9px 12px; border-radius: 3px; font-size: 13px; }
.header-applications-menu>a>span { flex: 1; }
.header-applications-menu>a>.icon:last-child { width: 15px; height: 15px; }
.header-search-results { position: absolute; top: calc(100% + 8px); left: 0; right: 0; max-height: min(520px, calc(100dvh - var(--site-header-height) - 30px)); overflow-y: auto; overscroll-behavior: contain; background: #fff; border: 1px solid var(--header-line); border-radius: 5px; box-shadow: 0 12px 32px #18324e24; z-index: 5; }
.header-results-label { padding: 12px 16px; background: #f4f7fa; border-bottom: 1px solid #e2eaf1; color: #59728b; font-size: 11px; }
.header-search-results ul { margin: 0; padding: 0; list-style: none; }
.header-search-results li { display: flex; align-items: stretch; border-bottom: 1px solid #e8eef3; }
.header-result-product { display: flex; flex: 1; min-width: 0; flex-direction: column; justify-content: center; gap: 3px; padding: 12px 16px; }
.header-result-product small { color: #587a9b; font-size: 10px; letter-spacing: .04em; }
.header-result-product strong { color: #203e5b; font-size: 12px; font-weight: 600; line-height: 1.45; }
.header-result-product:hover, .header-result-pdf:hover { background: #edf4f9; }
.header-result-pdf { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 0 0 50px; gap: 3px; margin-block: 8px; border-left: 1px solid #e1eaf1; color: #315a83; font-size: 9px; }
.header-result-pdf .icon { width: 18px; height: 18px; }
.header-all-results { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 13px 16px; color: #315a83; font-size: 12px; font-weight: 600; }
.header-all-results:hover { background: #edf4f9; }
.header-search-empty { padding: 18px 16px; color: #5d748a; font-size: 12px; }
.header-search-results a:focus-visible { outline-offset: -3px; }
.catalogue-header .mobile-nav { position: absolute; top: 100%; left: 0; right: 0; max-height: calc(100dvh - var(--site-header-height)); overflow-y: auto; box-shadow: 0 12px 25px #18324e18; }
.product-page .product-tab-panel, .product-page .product-detail-section { scroll-margin-top: 0; }
.product-page .product-enquiry-panel { top: calc(var(--site-header-height) + 20px); }
@media (min-width: 981px) {
  .catalogue-index .catalogue-sidebar { top: calc(var(--site-header-height) + 20px); max-height: calc(100dvh - var(--site-header-height) - 40px); }
}
@media (max-width: 1200px) and (min-width: 761px) {
  :root { --site-header-height: 148px; }
  .catalogue-header .header-top { height: 88px; gap: 26px; }
  .catalogue-header .header-top .brand-logo { width: 230px; }
  .catalogue-header .header-contact { display: none; }
  .catalogue-header .header-quote { padding-inline: 18px; gap: 16px; }
  .header-navigation { height: 58px; }
  .header-nav-group { padding-inline: 21px; }
  .header-mark { margin-right: 26px; }
  .header-nav-link, .header-downloads { font-size: 13px; }
}
@media (max-width: 980px) and (min-width: 761px) {
  .catalogue-header .header-top .brand-logo { width: 200px; }
  .catalogue-header .header-top { gap: 20px; }
  .header-search input { font-size: 12px; padding-left: 12px; }
  .header-search-submit { flex-basis: 40px; }
  .header-mark { display: none; }
  .header-nav-group { padding-inline: 16px; }
  .header-nav-link { gap: 9px; }
  .header-downloads { padding-left: 17px; gap: 9px; }
  .header-disclosure { width: 26px; margin-left: 2px; }
}
@media (max-width: 760px) {
  :root { --site-header-height: 133px; }
  .catalogue-header .header-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; height: auto; min-height: 132px; padding-block: 13px 12px; gap: 12px 8px; }
  .catalogue-header .header-top .brand-logo { width: clamp(145px, 43vw, 175px); }
  .catalogue-header .header-top-actions { gap: 8px; }
  .catalogue-header .header-contact, .catalogue-header .header-quote-label, .catalogue-header .header-quote>.icon, .header-nav-bar { display: none; }
  .catalogue-header .header-quote-short { display: inline; }
  .catalogue-header .header-quote { min-height: 38px; padding: 8px 11px; font-size: 11px; }
  .catalogue-header .menu-toggle { display: inline-flex; width: 36px; height: 38px; }
  .catalogue-header .header-search { grid-column: 1 / -1; grid-row: 2; width: 100%; max-width: none; margin: 0; }
  .header-search input { height: 42px; font-size: 16px; padding-left: 12px; }
  .header-search-submit { flex-basis: 42px; }
  .header-search-submit .icon { width: 22px; height: 22px; }
  .header-search-results { top: calc(100% + 6px); }
  .header-result-product { padding-inline: 12px; }
  .catalogue-header .mobile-nav { padding: 5px 24px 18px; }
  .catalogue-header .mobile-nav a { min-height: 48px; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .header-nav-link::after, .header-disclosure .icon { transition: none; }
}

.header-applications-menu { width: 348px; }
.header-applications-menu .header-applications-all { border-top: 1px solid #e2eaf1; border-radius: 0; margin-top: 6px; padding-top: 14px; color: #315a83; font-size: 12px; }
.catalogue-header .mobile-applications { border-bottom: 1px solid #dce6ee; }
.catalogue-header .mobile-applications summary { display: flex; align-items: center; justify-content: space-between; min-height: 48px; font-size: 14px; cursor: pointer; list-style: none; }
.catalogue-header .mobile-applications summary::-webkit-details-marker { display: none; }
.catalogue-header .mobile-applications[open] summary>.icon { transform: rotate(180deg); }
.catalogue-header .mobile-applications>div { padding: 0 0 10px 12px; }
.catalogue-header .mobile-applications>div>a { display: flex; gap: 12px; min-height: 44px; padding-block: 10px; font-size: 12px; border: 0; }
.catalogue-header .mobile-applications>div>a>span { flex: 1; }
.catalogue-header .mobile-applications>div>a>.icon { width: 18px; height: 18px; }