:root{
  --paper:#EEF1EF; --white:#FBFCFB; --plate:#DDE3E0; --ink:#1E2926; --dim:#56635D; --line:#B3BDB7;
  --gauge:#F2B600; --gauge-deep:#C99700; --focus:#0B57D0;
  --head:'Barlow Condensed','Arial Narrow','Roboto Condensed',sans-serif;
  --body:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--paper:#171D1B; --white:#1E2623; --plate:#2A3430; --ink:#E8EEEA; --dim:#A2AEA8; --line:#46524D; --gauge:#F2B600; --focus:#8AB4F8}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--body);font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration-color:var(--gauge);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--gauge);color:#2B2200;padding:8px 14px;z-index:10}
.skip:focus{left:8px;top:8px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* header with the measuring-rule edge */
.top{background:var(--white);position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;gap:28px;padding-top:14px;padding-bottom:10px;flex-wrap:wrap}
.brand{font:700 30px/1 var(--head);letter-spacing:.2px;text-decoration:none;display:flex;align-items:baseline;gap:10px}
.brand span{font:500 16px/1 var(--head);color:var(--dim);letter-spacing:.3px}
.hsearch{margin-left:auto;display:flex;flex:1 1 360px;max-width:560px}
.hsearch input{flex:1;min-width:0;font:inherit;padding:9px 12px;border:1.5px solid var(--ink);border-right:0;background:var(--paper);color:var(--ink);border-radius:0}
.hsearch button,.bigsearch button,noscript button{font:600 16px var(--body);padding:9px 18px;border:1.5px solid var(--ink);background:var(--gauge);color:#2B2200;cursor:pointer;border-radius:0}
.hsearch button:hover,.bigsearch button:hover{background:var(--gauge-deep)}
.rule{height:16px;border-bottom:1.5px solid var(--ink);
  background:
   linear-gradient(90deg,var(--ink) 1.5px,transparent 1.5px) 0 100%/96px 16px repeat-x,
   linear-gradient(90deg,var(--ink) 1px,transparent 1px) 0 100%/12px 7px repeat-x}

/* home */
.hero{padding-top:64px;padding-bottom:36px}
.hero h1{font:700 clamp(42px,7vw,84px)/.95 var(--head);margin:0 0 18px;max-width:14ch;letter-spacing:-.5px}
.lede{font-size:19px;max-width:62ch;color:var(--dim);margin:0 0 22px}
.bigsearch{display:flex;max-width:720px}
.bigsearch input{flex:1;min-width:0;font:500 22px var(--body);padding:16px 18px;border:2px solid var(--ink);border-right:0;background:var(--white);color:var(--ink);border-radius:0}
.bigsearch button{font-size:18px;padding:0 26px;border-width:2px}
.sect{font:600 30px/1.1 var(--head);margin:34px 0 14px}

/* category index: ruled cells, no cards */
.index{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));border-top:1.5px solid var(--ink);border-left:1.5px solid var(--ink);background:var(--white);margin:0 0 40px}
.cell{display:flex;flex-direction:column;gap:6px;padding:18px 20px 16px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);text-decoration:none;min-height:132px}
.cell:hover{background:var(--plate)}
.cell h3{font:600 25px/1.1 var(--head);margin:0}
.cell p{margin:0;color:var(--dim);font-size:15.5px}
.cell .meta{margin-top:auto;font-size:14.5px;font-weight:600;border-top:1px solid var(--line);padding-top:7px;color:var(--ink)}

/* pages */
.page{padding-top:22px;padding-bottom:56px}
.page h1{font:700 clamp(34px,5vw,52px)/1 var(--head);margin:8px 0 14px}
.crumbs{font-size:15px;color:var(--dim);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--dim)}.crumbs .sep{color:var(--line)}
.crumbs [aria-current]{color:var(--ink);font-weight:600}
.dim{color:var(--dim)}
.count{font-weight:600;margin:0 0 10px}
.u{font-weight:400;color:var(--dim);font-size:.88em}

/* catalog = facets + table */
.catalog{display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:start;margin-top:18px}
.facets{background:var(--white);border:1.5px solid var(--ink)}
.facets summary{cursor:pointer;list-style:none}
.facets>.fwrap>summary{font:600 21px var(--head);padding:12px 16px;border-bottom:1.5px solid var(--ink);background:var(--plate)}
.facet{border-bottom:1px solid var(--line)}
.facet:last-of-type{border-bottom:0}
.facet>summary{font:600 17px var(--body);padding:10px 16px;display:flex;justify-content:space-between;gap:8px}
.facet>summary::after{content:'+';color:var(--dim);font-weight:400}
.facet[open]>summary::after{content:'\2212'}
.vals{padding:0 16px 12px;max-height:260px;overflow:auto}
.vals label{display:flex;align-items:center;gap:9px;padding:4px 0;font-size:16px;cursor:pointer}
.vals input{accent-color:var(--ink);width:17px;height:17px;margin:0}
.vals .lab{flex:1}.vals .n{color:var(--dim);font-size:14px}
.clear{display:inline-block;margin:6px 16px 14px;font-weight:600}
.tablewrap{overflow-x:auto;background:var(--white);border:1.5px solid var(--ink)}
.parts{width:100%;border-collapse:collapse;font-size:16px}
.parts th{font:600 17px var(--head);text-align:left;padding:9px 12px;background:var(--plate);border-bottom:1.5px solid var(--ink);white-space:nowrap}
.parts td{padding:8px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.parts tr:last-child td{border-bottom:0}
.parts tbody tr:hover{background:color-mix(in srgb,var(--gauge) 14%,transparent)}
.parts .im{width:64px;padding-right:0}
.parts .im img,.noimg{display:block;width:48px;height:48px;object-fit:contain;background:var(--paper);border:1px solid var(--line)}
.parts .pn{font:600 19px var(--head);white-space:nowrap;letter-spacing:.2px}
.pager{display:flex;gap:18px;align-items:center;margin:18px 0 0;font-weight:600}
.pager a{padding:6px 14px;border:1.5px solid var(--ink);text-decoration:none;background:var(--white)}
.pager a:hover{background:var(--gauge)}

/* SKU page: gallery + title-block spec sheet */
.skugrid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:40px;margin-top:16px;align-items:start}
.gallery .main{aspect-ratio:1/1;background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/24px 24px,var(--white);
  border:1.5px solid var(--ink);display:grid;place-items:center;overflow:hidden}
.gallery .main img{max-width:100%;max-height:100%;object-fit:contain;background:transparent}
.gallery .main.empty span{background:var(--white);padding:4px 10px;color:var(--dim)}
.thumbs{list-style:none;display:flex;gap:8px;padding:0;margin:10px 0 0;flex-wrap:wrap}
.thumbs img{width:72px;height:72px;object-fit:contain;border:1.5px solid var(--ink);background:var(--white);display:block}
.pnbig{font:600 22px var(--head);letter-spacing:.4px;margin:0;color:var(--dim)}
.info h1{margin-top:2px}
.desc{max-width:62ch}
.block{width:100%;border-collapse:collapse;border:1.5px solid var(--ink);background:var(--white);margin:22px 0}
.block caption{caption-side:top;text-align:left;font:600 22px var(--head);padding:0 0 6px}
.block th,.block td{padding:9px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.block tr:last-child>*{border-bottom:0}
.block th{width:38%;background:var(--plate);font-weight:600;border-right:1.5px solid var(--ink)}
.block .val{font-weight:700;font-size:18px}
.block .alt{display:block;color:var(--dim);font-size:14.5px;margin-top:1px}
.block .alt .d{display:inline-block;width:1px;height:.9em;background:var(--line);margin:0 9px;vertical-align:-1px}
.xref h2,.docs h2{font:600 24px var(--head);margin:28px 0 4px}
.xref h3{font:600 16px var(--body);margin:12px 0 6px;color:var(--dim)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 4px}
.chips a{display:block;padding:3px 11px;border:1.5px solid var(--ink);background:var(--white);text-decoration:none;font-weight:600}
.chips a:hover{background:var(--gauge)}
.docs ul{list-style:none;padding:0;margin:8px 0;border-top:1.5px solid var(--ink)}
.docs li{display:flex;justify-content:space-between;gap:16px;padding:9px 2px;border-bottom:1px solid var(--line)}
.foot{border-top:1.5px solid var(--ink);background:var(--white);padding:18px 0;color:var(--dim);font-size:14.5px}
.foot p{margin:0;max-width:80ch}

@media (max-width:900px){
  .catalog{grid-template-columns:1fr}
  .skugrid{grid-template-columns:1fr;gap:22px}
  .hero{padding-top:36px}
  .hsearch{flex-basis:100%;max-width:none;margin-left:0;order:3}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}