/* Product catalogue and individual product pages. Load after styles.css. */
.inner-page { background:var(--paper); }
.inner-page .site-header { background:var(--navy); border-bottom:1px solid rgba(255,255,255,.12); }
.inner-page main { padding-top:82px; }
.inner-page :where(section[id],h2[id]) { scroll-margin-top:110px; }
.inner-page :where(a,button,input,summary):focus-visible { outline:3px solid var(--blue-strong); outline-offset:4px; }
.skip-link { position:fixed; top:10px; left:16px; z-index:100; padding:13px 18px; background:var(--white); color:var(--navy); font-size:.9rem; font-weight:800; box-shadow:var(--shadow); transform:translateY(-160%); }
.skip-link:focus { transform:translateY(0); }
.breadcrumbs { display:flex; align-items:center; flex-wrap:wrap; gap:9px; padding:27px 0; color:var(--muted); font-size:.75rem; line-height:1.65; }
.breadcrumbs ol { display:flex; align-items:center; flex-wrap:wrap; gap:9px; list-style:none; margin:0; padding:0; }
.breadcrumbs li { display:inline-flex; align-items:center; gap:9px; }
.breadcrumbs li+li::before { content:"/"; color:#a2afb4; }
.breadcrumbs a { text-decoration:underline; text-underline-offset:4px; text-decoration-color:#bbc9ce; }
.breadcrumbs a:hover { color:var(--blue-strong); text-decoration-color:currentColor; }
.breadcrumbs [aria-current="page"] { color:var(--ink); }
.catalog-hero { position:relative; overflow:hidden; background:var(--navy); color:var(--white); padding:62px 0 68px; }
.catalog-hero::after { content:""; position:absolute; top:-180px; right:-110px; width:540px; height:540px; border:1px solid rgba(49,182,245,.2); border-radius:50%; pointer-events:none; }
.catalog-hero .container { position:relative; z-index:1; }
.catalog-hero h1 { max-width:900px; font-size:clamp(2.7rem,5.5vw,5rem); line-height:1.02; margin-top:18px; }
.catalog-hero p:not(.eyebrow) { max-width:670px; color:rgba(255,255,255,.7); font-size:1rem; line-height:1.8; margin-top:23px; }
.catalog-hero .eyebrow { color:var(--blue); }
.catalog-layout { display:grid; grid-template-columns:230px minmax(0,1fr); gap:36px; align-items:start; padding-top:52px; padding-bottom:100px; }
.catalog-sidebar { position:sticky; top:109px; background:var(--white); border:1px solid var(--line); padding:22px 16px 16px; }
.catalog-sidebar h2 { font-size:1.05rem; line-height:1.3; letter-spacing:-.025em; padding:0 10px 18px; }
.catalog-sidebar>p { color:var(--muted); font-size:.75rem; line-height:1.6; padding:0 10px 16px; }
.catalog-sidebar nav,.catalog-sidebar .catalog-filters { display:flex; flex-direction:column; gap:4px; }
.catalog-filter { display:flex; align-items:center; justify-content:space-between; gap:12px; width:100%; padding:12px 10px; border:1px solid transparent; background:transparent; text-align:left; color:#52636d; font-size:.79rem; line-height:1.45; transition:background .18s ease,color .18s ease,border-color .18s ease; }
.catalog-filter:hover { background:#eff6f8; color:var(--ink); }
.catalog-filter.is-active,.catalog-filter[aria-pressed="true"],.catalog-filter[aria-current="true"] { background:var(--navy); border-color:var(--navy); color:var(--white); }
.catalog-filter .product-count,.catalog-filter>span:last-child:not(:first-child) { flex:0 0 auto; color:inherit; opacity:.7; font-size:.7rem; }
.product-count { color:var(--muted); font-size:.78rem; font-variant-numeric:tabular-nums; line-height:1.5; }
.catalog-tools { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; margin-bottom:25px; }
.catalog-tools h2 { font-size:1.35rem; line-height:1.3; }
.catalog-search { display:flex; align-items:center; gap:10px; width:min(100%,320px); background:var(--white); border:1px solid #c8d7dc; padding:12px 14px; font-size:.83rem; color:var(--ink); border-radius:0; }
.catalog-search:focus-within { border-color:var(--blue-strong); outline:3px solid var(--blue-strong); outline-offset:3px; }
.catalog-search input { min-width:0; width:100%; padding:0; border:0; background:transparent; color:var(--ink); outline:none; font-size:inherit; }
.catalog-search input:focus-visible { outline:none; }
.catalog-search input::placeholder,input.catalog-search::placeholder { color:#6b7b84; opacity:1; }
.catalog-search svg { flex:0 0 auto; color:#6b7b84; }
.catalog-results { min-width:0; }
.catalog-results>.product-count { margin-bottom:22px; }
.catalog-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.catalog-card { min-width:0; display:flex; flex-direction:column; background:var(--white); border:1px solid var(--line); transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease; }
.catalog-card:hover { transform:translateY(-4px); border-color:#a6c6d4; box-shadow:0 16px 36px rgba(9,32,49,.08); }
.catalog-card-image { position:relative; display:flex; align-items:center; justify-content:center; width:100%; aspect-ratio:1.27; padding:19px; background:#fff; border-bottom:1px solid #e7edef; overflow:hidden; }
.catalog-card-image img { width:100%; height:100%; object-fit:contain; transition:transform .25s ease; }
.catalog-card:hover .catalog-card-image img { transform:scale(1.035); }
.catalog-card-image>span { position:absolute; left:13px; top:12px; color:var(--blue-strong); font:9px 'DM Mono',monospace; letter-spacing:.07em; text-transform:uppercase; }
.catalog-card-body { display:flex; flex-direction:column; flex:1; align-items:flex-start; padding:21px 18px 22px; }
.catalog-card-body>.eyebrow,.catalog-card-body>span:first-child { color:var(--blue-strong); font-size:9px; line-height:1.5; letter-spacing:.06em; }
.catalog-card-body h2,.catalog-card-body h3 { margin-top:10px; font-size:1.08rem; line-height:1.28; letter-spacing:-.035em; overflow-wrap:anywhere; }
.catalog-card-body p { color:var(--muted); font-size:.76rem; line-height:1.7; margin-top:13px; margin-bottom:21px; }
.catalog-card-body .text-link,.catalog-card-body .card-link { margin-top:auto; font-size:.76rem; }
.catalog-card-body a:not(.text-link):not(.card-link):hover { color:var(--blue-strong); }
.catalog-empty { grid-column:1/-1; border:1px dashed #a7bbc4; padding:62px 28px; text-align:center; color:var(--muted); font-size:.9rem; line-height:1.8; }
.catalog-empty h2,.catalog-empty h3 { color:var(--ink); font-size:1.35rem; margin-bottom:12px; }
.catalog-empty button { margin-top:18px; }
.catalog-empty[hidden],.catalog-card[hidden] { display:none; }
.detail-hero { background:var(--sand); padding:14px 0 63px; border-bottom:1px solid var(--line); }
.detail-hero .breadcrumbs { padding-top:12px; padding-bottom:30px; }
.detail-layout { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:62px; align-items:center; }
.detail-media { position:relative; display:flex; align-items:center; justify-content:center; min-width:0; min-height:405px; background:var(--white); padding:42px 34px 58px; border:1px solid #d9e4e7; }
.detail-media img { width:100%; height:330px; object-fit:contain; }
.detail-media figure { width:100%; margin:0; }
.detail-media-label { position:absolute; bottom:19px; left:24px; right:24px; color:#75838a; font-size:.65rem; line-height:1.5; }
.detail-copy { min-width:0; }
.detail-kicker { color:var(--blue-strong); text-transform:uppercase; font:11px 'DM Mono',monospace; letter-spacing:.1em; line-height:1.8; margin-bottom:17px; }
.detail-copy h1 { color:var(--navy); font-size:clamp(2.5rem,4.1vw,4.1rem); line-height:1.04; overflow-wrap:anywhere; }
.detail-lede { color:var(--muted); font-size:.97rem; line-height:1.85; margin-top:24px; max-width:550px; }
.detail-tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:23px; padding:0; list-style:none; }
.detail-tags span,.detail-tags li { border:1px solid #cbdcdf; padding:6px 9px; color:#4e6c77; font-size:.66rem; line-height:1.5; background:rgba(255,255,255,.55); }
.detail-copy .hero-actions { flex-wrap:wrap; gap:12px; margin-top:28px; }
.detail-copy .button-outline { border-color:#9eb5bf; color:var(--navy); }
.detail-copy .button-outline:hover { background:var(--white); border-color:var(--blue-strong); }
.detail-copy>small { display:block; margin-top:16px; color:#6b7b82; font-size:.7rem; line-height:1.65; }
.detail-main { padding-top:78px; padding-bottom:83px; }
.detail-overview { display:grid; grid-template-columns:.8fr 1.2fr; gap:80px; padding-bottom:58px; border-bottom:1px solid var(--line); }
.detail-overview h2 { font-size:clamp(2rem,3.1vw,3.2rem); max-width:420px; line-height:1.1; margin-top:15px; }
.detail-overview p { color:var(--muted); font-size:.92rem; line-height:1.85; }
.detail-overview p+p { margin-top:17px; }
.detail-overview>p { align-self:end; }
.detail-sections { padding-top:57px; }
.detail-sections>h2,.detail-requirements h2,.detail-faq h2,.related-products h2 { font-size:clamp(1.9rem,3vw,2.7rem); line-height:1.12; }
.detail-sections>p,.detail-requirements>p,.detail-faq>p { color:var(--muted); max-width:750px; margin-top:17px; font-size:.91rem; line-height:1.8; }
.detail-info-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; margin-top:28px; }
.detail-info-card { min-width:0; background:var(--white); padding:28px 24px; border:1px solid var(--line); border-top:3px solid var(--blue-strong); }
.detail-info-card h3 { font-size:1.15rem; line-height:1.3; }
.detail-info-card p { margin-top:15px; color:var(--muted); font-size:.83rem; line-height:1.8; }
.detail-info-card ul { margin:17px 0 0; padding-left:18px; color:var(--muted); font-size:.82rem; line-height:1.8; }
.detail-info-card li+li { margin-top:7px; }
.detail-requirements { margin-top:57px; padding:36px; background:#eaf1f2; border:1px solid #d5e1e4; }
.detail-requirements h2 { font-size:1.8rem; }
.detail-requirements ul,.detail-requirements ol { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 40px; margin:26px 0 0; padding-left:22px; }
.detail-requirements li { color:#526873; font-size:.85rem; line-height:1.75; padding-left:3px; }
.detail-requirements li::marker { color:var(--blue-strong); }
.detail-requirements li strong { color:var(--ink); }
.detail-requirements .text-link { margin-top:25px; }
.detail-faq { padding-top:60px; max-width:900px; }
.detail-faq>h2 { margin-bottom:27px; }
.detail-faq details { border-top:1px solid #cfdde2; }
.detail-faq details:last-child { border-bottom:1px solid #cfdde2; }
.detail-faq summary { display:flex; align-items:center; justify-content:space-between; gap:22px; cursor:pointer; padding:22px 0; list-style:none; color:var(--ink); font-size:.92rem; font-weight:700; line-height:1.6; }
.detail-faq summary::-webkit-details-marker { display:none; }
.detail-faq summary::after { content:"+"; color:var(--blue-strong); font-size:1.4rem; font-weight:400; line-height:1; flex:0 0 auto; }
.detail-faq details[open] summary::after { content:"−"; }
.detail-faq details p { color:var(--muted); max-width:780px; margin:0 34px 24px 0; font-size:.85rem; line-height:1.9; }
.detail-faq details p a { color:var(--blue-strong); text-decoration:underline; text-underline-offset:3px; }
.related-products { background:var(--sand); padding:67px 0 77px; border-top:1px solid var(--line); }
.related-products .section-heading-row { margin-bottom:30px; gap:24px; }
.related-products .section-heading-row h2 { margin-top:13px; }
.related-products .catalog-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
.inquiry-band { background:var(--navy); color:var(--white); padding:64px 0; }
.inquiry-band>.container { display:flex; align-items:center; justify-content:space-between; gap:48px; }
.inquiry-band h2 { max-width:660px; font-size:clamp(2rem,3.3vw,3.2rem); line-height:1.1; }
.inquiry-band p { color:rgba(255,255,255,.65); max-width:620px; margin-top:20px; font-size:.89rem; line-height:1.8; }
.inquiry-band .eyebrow { margin-top:0; margin-bottom:17px; color:var(--blue); }
.contact-options { display:flex; align-items:flex-start; flex-direction:column; gap:14px; flex-shrink:0; }
.contact-options>a:not(.button) { color:rgba(255,255,255,.8); font-size:.83rem; line-height:1.55; overflow-wrap:anywhere; }
.contact-options>a:not(.button):hover { color:var(--blue); }
.contact-options .button { margin-bottom:2px; }
.spec-table-wrap { margin-top:28px; border:1px solid var(--line); overflow-x:auto; background:white; }
.spec-table-wrap table { width:100%; border-collapse:collapse; text-align:left; font-size:.88rem; line-height:1.6; }
.spec-table-wrap caption { text-align:left; padding:18px 22px; color:var(--muted); font-size:.78rem; }
.spec-table-wrap th,.spec-table-wrap td { padding:15px 22px; border-top:1px solid var(--line); }
.spec-table-wrap th { width:40%; font-weight:700; }
.spec-table-wrap td { color:var(--muted); }
.detail-gallery { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; margin-top:28px; }
.detail-gallery figure { min-width:0; margin:0; border:1px solid var(--line); background:white; }
.detail-gallery img { width:100%; height:210px; object-fit:contain; padding:20px; }
.detail-gallery figcaption { padding:17px 20px; font-size:.8rem; line-height:1.6; color:var(--muted); border-top:1px solid var(--line); }
.main-nav [aria-current="location"] { color:var(--blue); }
.catalog-tools .product-count { margin-top:8px; }
@media (max-width:1100px) {
  .catalog-layout { grid-template-columns:205px minmax(0,1fr); gap:25px; }
  .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .detail-layout { gap:35px; }
  .detail-media { min-height:365px; padding:30px 25px 56px; }
  .detail-media img { height:280px; }
  .detail-overview { gap:50px; }
  .detail-info-card { padding:25px 20px; }
}
@media (max-width:800px) {
  .catalog-layout { grid-template-columns:1fr; gap:28px; padding-top:35px; padding-bottom:65px; }
  .catalog-sidebar { position:static; padding:19px 18px; }
  .catalog-sidebar h2 { padding:0 0 15px; }
  .catalog-sidebar>p { padding:0 0 15px; }
  .catalog-sidebar nav,.catalog-sidebar .catalog-filters { flex-direction:row; flex-wrap:wrap; gap:7px; }
  .catalog-filter { width:auto; gap:9px; padding:9px 11px; border-color:var(--line); font-size:.74rem; }
  .catalog-hero { padding:46px 0 51px; }
  .catalog-hero h1 { max-width:650px; }
  .detail-layout { grid-template-columns:1fr 1fr; gap:26px; align-items:start; }
  .detail-copy h1 { font-size:2.65rem; }
  .detail-lede { font-size:.87rem; line-height:1.75; margin-top:18px; }
  .detail-media { min-height:330px; padding:25px 20px 52px; }
  .detail-media img { height:250px; }
  .detail-copy .hero-actions { align-items:stretch; flex-direction:column; gap:10px; }
  .detail-overview { grid-template-columns:1fr; gap:27px; }
  .detail-overview h2 { max-width:600px; }
  .detail-info-grid { grid-template-columns:1fr; gap:14px; }
  .detail-info-card { padding:25px 27px; }
  .detail-main { padding-top:55px; padding-bottom:60px; }
  .detail-requirements { padding:30px 27px; }
  .related-products .catalog-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .inquiry-band>.container { flex-direction:column; align-items:flex-start; gap:28px; }
  .contact-options { flex-direction:row; align-items:center; flex-wrap:wrap; gap:15px 24px; }
  .contact-options .button { margin:0; }
}
@media (max-width:700px) {
  .detail-gallery { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
  .detail-gallery img { height:160px; padding:12px; }
  .detail-gallery figcaption { padding:13px; }
  .inner-page main { padding-top:72px; }
  .inner-page :where(section[id],h2[id]) { scroll-margin-top:94px; }
  .breadcrumbs { font-size:.69rem; gap:7px; padding:22px 0; }
  .breadcrumbs ol,.breadcrumbs li { gap:7px; }
  .catalog-tools { align-items:flex-start; gap:16px; }
  .catalog-search { width:100%; }
  .catalog-hero p:not(.eyebrow) { font-size:.9rem; line-height:1.75; }
  .catalog-card-body { padding:20px 17px; }
  .detail-hero { padding:7px 0 42px; }
  .detail-hero .breadcrumbs { padding-top:13px; padding-bottom:22px; }
  .detail-layout { grid-template-columns:1fr; gap:32px; }
  .detail-media { min-height:300px; padding:25px 25px 50px; }
  .detail-media img { height:270px; }
  .detail-media-label { left:20px; right:20px; bottom:17px; }
  .detail-copy h1 { font-size:clamp(2.4rem,10vw,3.5rem); }
  .detail-kicker { font-size:10px; margin-bottom:13px; }
  .detail-lede { font-size:.92rem; }
  .detail-copy .hero-actions { flex-direction:row; }
  .detail-copy .hero-actions .button { flex:1; }
  .detail-overview { padding-bottom:37px; }
  .detail-overview h2 { font-size:2.1rem; }
  .detail-sections { padding-top:40px; }
  .detail-requirements { margin-top:38px; padding:28px 23px; }
  .detail-requirements h2 { font-size:1.55rem; }
  .detail-requirements ul,.detail-requirements ol { grid-template-columns:1fr; gap:12px; padding-left:18px; }
  .detail-faq { padding-top:42px; }
  .detail-faq summary { font-size:.85rem; padding:20px 0; }
  .detail-faq details p { font-size:.81rem; }
  .related-products { padding:49px 0 54px; }
  .related-products .section-heading-row { gap:16px; }
  .inquiry-band { padding:48px 0; }
  .inquiry-band p { font-size:.84rem; }
  .contact-options { align-items:flex-start; flex-direction:column; gap:14px; }
}
@media (max-width:480px) {
  .detail-gallery { grid-template-columns:1fr; }
  .spec-table-wrap th,.spec-table-wrap td { padding:12px 15px; }
  .catalog-grid,.related-products .catalog-grid { grid-template-columns:1fr; }
  .catalog-card-image { aspect-ratio:1.5; padding:22px; }
  .catalog-card-body h2,.catalog-card-body h3 { font-size:1.2rem; }
  .catalog-card-body p { font-size:.82rem; }
  .catalog-sidebar { padding:17px 14px; }
  .catalog-filter { font-size:.7rem; padding:8px 9px; }
  .detail-copy .hero-actions { flex-direction:column; }
  .detail-media img { height:240px; }
  .detail-info-card { padding:24px 22px; }
}
@media (prefers-reduced-motion:reduce) {
  .catalog-card,.catalog-card-image img,.catalog-filter { transition:none; }
  .catalog-card:hover,.catalog-card:hover .catalog-card-image img { transform:none; }
}

/* WT welded-cylinder sample page. Keep these rules isolated from the other product pages. */
.product-detail-page { --wt-serif:Georgia,'Times New Roman',serif; }
.product-detail-page :where(h1,h2) { font-family:var(--wt-serif); font-weight:400; letter-spacing:-.035em; }
.product-detail-page .wt-hero { padding-bottom:54px; }
.wt-product-layout { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); grid-template-areas:'gallery copy'; gap:60px; align-items:center; }
.product-detail-page .wt-copy { grid-area:copy; }
.product-detail-page .wt-copy h1 { font-size:clamp(2.8rem,4.4vw,4.25rem); line-height:1.05; }
.product-detail-page .wt-copy .detail-lede { max-width:570px; }
.product-detail-page .wt-gallery { grid-area:gallery; min-width:0; }
.wt-main-image,.wt-reference-image { position:relative; display:block; width:100%; padding:20px; border:1px solid #d9e4e7; background:#fff; cursor:zoom-in; text-align:left; }
.wt-main-image img { width:100%; height:385px; object-fit:contain; }
.wt-main-image>span,.wt-reference-image>span { position:absolute; right:14px; bottom:14px; padding:8px 11px; background:rgba(8,23,40,.88); color:#fff; font-size:.7rem; line-height:1.4; }
.wt-thumbnails { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:10px; margin-top:12px; }
.wt-gallery-image { min-width:0; min-height:76px; padding:5px; border:1px solid #d9e4e7; background:#fff; cursor:pointer; }
.wt-gallery-image img { width:100%; height:70px; object-fit:contain; }
.wt-gallery-image:hover,.wt-gallery-image.is-active { border-color:var(--blue-strong); box-shadow:inset 0 0 0 1px var(--blue-strong); }
.wt-gallery-image:focus-visible,.wt-main-image:focus-visible,.wt-reference-image:focus-visible { outline:3px solid var(--blue-strong); outline-offset:3px; }
.wt-image-caption { min-height:1.5em; margin-top:10px; color:var(--muted); font-size:.72rem; line-height:1.6; }
.wt-anchor-nav { position:sticky; z-index:15; top:82px; border-bottom:1px solid var(--line); background:rgba(255,255,255,.97); box-shadow:0 6px 18px rgba(8,23,40,.06); }
.wt-anchor-nav ul { display:flex; align-items:center; gap:26px; min-width:max-content; min-height:59px; margin:0; padding:0; list-style:none; }
.wt-anchor-nav .container { overflow-x:auto; scrollbar-width:thin; }
.wt-anchor-nav a { display:flex; align-items:center; min-height:59px; border-bottom:2px solid transparent; color:#52636d; font-size:.73rem; white-space:nowrap; }
.wt-anchor-nav a:hover,.wt-anchor-nav a[aria-current="location"] { color:var(--navy); border-color:var(--blue-strong); }
.product-detail-page :where(#wt-overview,#wt-features,#wt-drawings,#inquiry-checklist,#wt-faq,#wt-related,#wt-contact) { scroll-margin-top:155px; }
.wt-main { padding-top:62px; }
.wt-overview { align-items:start; }
.wt-overview h2 { font-size:clamp(2rem,3.3vw,3.2rem); }
.wt-overview-copy { max-width:720px; }
.wt-overview-copy p { color:var(--muted); font-size:.92rem; line-height:1.85; }
.wt-overview-copy p+p { margin-top:17px; }
.wt-details-panel { display:grid; grid-template-columns:minmax(200px,.7fr) minmax(0,1.3fr); gap:24px 50px; align-items:start; margin-top:45px; padding:34px 38px; border:1px solid var(--line); background:#fff; }
.wt-details-panel h2 { margin-top:8px; font-size:1.8rem; }
.wt-details-panel dl { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 30px; margin:0; }
.wt-details-panel dl>div { padding:13px 0; border-bottom:1px solid #e5ecee; }
.wt-details-panel dt { color:#687982; font-size:.68rem; }
.wt-details-panel dd { margin:5px 0 0; color:var(--ink); font-size:.8rem; line-height:1.55; font-weight:650; }
.wt-details-note { grid-column:2; color:var(--muted); font-size:.7rem; line-height:1.6; }
.wt-features { padding-top:70px; }
.product-detail-page .wt-features>h2,.product-detail-page .wt-drawings>h2 { margin-top:12px; font-size:clamp(2rem,3.2vw,2.9rem); }
.wt-features>p,.wt-drawings>p { max-width:770px; margin-top:15px; color:var(--muted); font-size:.89rem; line-height:1.8; }
.wt-feature-list { margin:30px 0 0; padding:0; list-style:none; border-top:1px solid var(--line); }
.wt-feature-list li { display:grid; grid-template-columns:70px minmax(0,1fr); gap:18px; padding:22px 0; border-bottom:1px solid var(--line); }
.wt-feature-number { color:var(--blue-strong); font:12px 'DM Mono',monospace; padding-top:3px; }
.wt-feature-list h3 { color:var(--ink); font-size:1.08rem; line-height:1.4; }
.wt-feature-list p { max-width:780px; margin-top:6px; color:var(--muted); font-size:.84rem; line-height:1.75; }
.wt-drawings { padding-top:70px; }
.wt-reference-figure { margin:25px 0 0; border:1px solid var(--line); background:#fff; }
.product-reference-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr)); gap:18px; margin-top:25px; }
.product-reference-grid .wt-reference-figure { min-width:0; margin:0; }
.product-reference-grid .wt-reference-image { min-height:180px; display:grid; place-items:center; }
.product-reference-grid .wt-reference-image img { max-height:320px; }
.product-reference-grid figcaption { height:auto; }
.wt-reference-image { padding:16px; border:0; }
.wt-reference-image img { width:100%; height:auto; max-height:440px; object-fit:contain; }
.wt-reference-figure figcaption { padding:14px 18px; border-top:1px solid var(--line); color:var(--muted); font-size:.72rem; line-height:1.6; }
.wt-drawings>.text-link { display:flex; width:max-content; max-width:100%; margin-top:20px; }
.wt-requirements { margin-top:70px; }
.wt-faq { scroll-margin-top:155px; }
.wt-related { scroll-margin-top:155px; }
.wt-contact { scroll-margin-top:155px; }
.wt-lightbox { width:min(1120px,calc(100vw - 36px)); max-width:none; max-height:calc(100dvh - 36px); padding:0; border:1px solid rgba(255,255,255,.2); background:#081728; color:#fff; }
.wt-lightbox::backdrop { background:rgba(3,11,20,.88); backdrop-filter:blur(4px); }
.wt-lightbox-shell { position:relative; display:grid; grid-template-columns:56px minmax(0,1fr) 56px; grid-template-rows:minmax(180px,1fr) auto; align-items:center; gap:14px; min-height:300px; padding:58px 28px 22px; }
.wt-lightbox figure { grid-column:2; grid-row:1; min-width:0; margin:0; text-align:center; }
.wt-lightbox-img { display:block; max-width:100%; max-height:calc(100dvh - 190px); margin:auto; object-fit:contain; }
.wt-lightbox-caption { padding-top:12px; color:rgba(255,255,255,.8); font-size:.78rem; line-height:1.55; }
.wt-lightbox button { display:grid; place-items:center; min-width:48px; min-height:48px; border:1px solid rgba(255,255,255,.25); background:rgba(255,255,255,.08); color:#fff; cursor:pointer; font-size:1.2rem; }
.wt-lightbox button:hover { background:rgba(255,255,255,.18); }
.wt-lightbox-close { position:absolute; top:12px; right:12px; font-size:1.5rem!important; }
.wt-lightbox-prev { grid-column:1; grid-row:1; }
.wt-lightbox-next { grid-column:3; grid-row:1; }
.wt-lightbox-prev[hidden],.wt-lightbox-next[hidden] { display:none; }
.wt-lightbox-footer { grid-column:1/-1; display:flex; align-items:center; justify-content:space-between; gap:16px; color:rgba(255,255,255,.7); font-size:.72rem; }
.wt-lightbox-footer a { color:#fff; text-decoration:underline; text-underline-offset:3px; }
.product-detail-page .wt-contact .contact-options { max-width:330px; }
.product-detail-page .wt-contact .contact-options .button { white-space:normal; }
.product-detail-page .wt-contact .eyebrow { color:var(--blue); }
.product-detail-page .wt-anchor-nav a:focus-visible,.wt-lightbox a:focus-visible,.wt-lightbox button:focus-visible { outline:3px solid #55c4ff; outline-offset:3px; }
.product-detail-page .visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
@media (max-width:1100px) {
  .wt-product-layout { gap:34px; }
  .wt-main-image img { height:330px; }
  .wt-anchor-nav ul { gap:19px; }
}
@media (max-width:800px) {
  .wt-product-layout { grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:25px; }
  .product-detail-page .wt-copy h1 { font-size:2.7rem; }
  .wt-main-image img { height:280px; }
  .wt-details-panel { grid-template-columns:1fr; gap:20px; padding:28px; }
  .wt-details-note { grid-column:1; }
  .wt-anchor-nav ul { gap:20px; }
}
@media (max-width:700px) {
  .product-detail-page .wt-hero { padding-bottom:38px; }
  .wt-product-layout { grid-template-columns:minmax(0,1fr); grid-template-areas:'copy' 'gallery'; gap:23px; }
  .product-detail-page .wt-copy h1 { font-size:clamp(2.25rem,9vw,3.25rem); }
  .product-detail-page .wt-copy .detail-lede { margin-top:15px; font-size:.88rem; }
  .product-detail-page .wt-copy .detail-kicker { margin-bottom:9px; }
  .product-detail-page .wt-copy .detail-tags { margin-top:14px; }
  .product-detail-page .wt-copy .hero-actions { flex-direction:row; margin-top:18px; }
  .product-detail-page .wt-copy .hero-actions .button { flex:1; padding:13px 12px; font-size:.72rem; }
  .product-detail-page .wt-copy>small { margin-top:11px; }
  .wt-main-image { padding:14px; }
  .wt-main-image img { height:270px; }
  .wt-thumbnails { gap:7px; }
  .wt-gallery-image { min-height:62px; padding:3px; }
  .wt-gallery-image img { height:58px; }
  .wt-anchor-nav { top:72px; }
  .wt-anchor-nav ul { min-height:52px; gap:19px; }
  .wt-anchor-nav a { min-height:52px; font-size:.7rem; }
  .product-detail-page :where(#wt-overview,#wt-features,#wt-drawings,#inquiry-checklist,#wt-faq,#wt-related,#wt-contact) { scroll-margin-top:138px; }
  .wt-main { padding-top:44px; }
  .wt-overview { grid-template-columns:1fr; gap:20px; }
  .wt-overview h2 { font-size:2rem; }
  .wt-details-panel { margin-top:30px; padding:23px 20px; }
  .wt-details-panel dl { grid-template-columns:1fr; }
  .wt-feature-list li { grid-template-columns:42px minmax(0,1fr); gap:12px; padding:18px 0; }
  .wt-drawings { padding-top:49px; }
  .wt-reference-image { padding:8px; }
  .wt-reference-image>span { right:10px; bottom:10px; }
  .product-detail-page .wt-requirements { margin-top:48px; padding:27px 22px; }
  .wt-lightbox { width:calc(100vw - 20px); max-height:calc(100dvh - 20px); }
  .wt-lightbox-shell { grid-template-columns:42px minmax(0,1fr) 42px; gap:6px; min-height:250px; padding:58px 8px 16px; }
  .wt-lightbox-img { max-height:calc(100dvh - 210px); }
  .wt-lightbox button { min-width:42px; min-height:46px; }
  .wt-lightbox-footer { align-items:flex-start; flex-direction:column; gap:9px; padding:0 8px; }
  .product-detail-page .wt-contact .container { align-items:flex-start; flex-direction:column; gap:30px; }
}
@media (prefers-reduced-motion:reduce) {
  .product-detail-page { scroll-behavior:auto; }
}