/* DURAMAT — ficha técnica industrial. Formato de catálogo B2B tipo Uline/Grainger: búsqueda dominante, filtros laterales, tablas de especificación. */
:root {
  --ink: #16191d;
  --steel: #2b3036;
  --steel-2: #383e45;
  --paper: #f3f4f1;
  --panel: #ffffff;
  --line: #d9dcd7;
  --muted: #5d646b;
  --signal: #f2b705;
  --signal-ink: #1a1500;
  --ok: #2e7d4f;
  --link: #0b5cad;
  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --max: 1280px;
  --r: 4px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; margin: 0; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.wrap { max-width: var(--max); margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.mono { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.03em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* header */
.top { background: var(--steel); color: #f3f4f1; position: sticky; top: 0; z-index: 30; border-bottom: 4px solid var(--signal); }
.top .row1 { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; padding-block: 12px; }
.logo { color: #f3f4f1; font-family: var(--display); font-weight: 900; font-size: 1.45rem; letter-spacing: 0.02em; font-variation-settings: "wdth" 125; display: inline-flex; gap: 10px; align-items: center; }
.logo:hover { text-decoration: none; }
.search { display: flex; min-width: 0; }
.search input { flex: 1; min-width: 0; font: inherit; padding: 11px 14px; border: 0; border-radius: var(--r) 0 0 var(--r); background: #fff; color: #16191d; }
.search button { border: 0; background: var(--signal); color: var(--signal-ink); font-weight: 700; padding: 0 18px; border-radius: 0 var(--r) var(--r) 0; cursor: pointer; font-family: var(--display); }
.actions { display: flex; gap: 16px; align-items: center; }
.actions a { color: #f3f4f1; font-size: 0.92rem; white-space: nowrap; }
.qbtn { background: var(--signal); color: var(--signal-ink) !important; padding: 9px 14px; border-radius: var(--r); font-family: var(--display); font-weight: 700; display: inline-flex; gap: 8px; align-items: center; }
.qbtn:hover { text-decoration: none; filter: brightness(1.05); }
.qcount { background: var(--steel); color: #fff; border-radius: 999px; min-width: 22px; height: 22px; display: inline-grid; place-items: center; font-size: 0.78rem; padding: 0 6px; }
.cats { background: var(--steel-2); }
.cats .wrap { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.cats a { color: #dfe2e4; font-size: 0.86rem; padding: 9px 12px; white-space: nowrap; }
.cats a:hover, .cats a[aria-current="page"] { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
@media (max-width: 760px) {
  .top .row1 { grid-template-columns: 1fr auto; }
  .search { grid-column: 1 / -1; order: 3; }
  .actions .hide-sm { display: none; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--display); font-weight: 700; border: 0; cursor: pointer; padding: 11px 18px; border-radius: var(--r); font-size: 0.98rem; text-decoration: none !important; }
.btn-y { background: var(--signal); color: var(--signal-ink); }
.btn-d { background: var(--steel); color: #f3f4f1; }
.btn-o { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn[disabled] { opacity: .5; cursor: default; }

/* breadcrumbs */
.crumbs { font-size: 0.85rem; color: var(--muted); padding-block: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }

/* home */
.hero { background: var(--steel); color: #f3f4f1; }
.hero .wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; padding-block: 48px; }
.hero h1 { font-size: clamp(2.3rem, 5.6vw, 4.4rem); font-weight: 900; font-variation-settings: "wdth" 72; text-transform: uppercase; letter-spacing: -0.01em; }
.hero h1 em { font-style: normal; color: var(--signal); }
.hero p { color: #cfd3d6; margin-top: 16px; max-width: 34rem; font-size: 1.08rem; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero .btn-o { color: #f3f4f1; border-color: #f3f4f1; }
.hero-img { border-radius: var(--r); background: #fff; aspect-ratio: 4 / 3; max-width: 100%; object-fit: contain; padding: 16px; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; padding-block: 32px; } }
.strip { background: var(--signal); color: var(--signal-ink); }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip div { padding: 14px 12px 14px 0; font-size: 0.88rem; }
.strip b { display: block; font-family: var(--display); font-size: 1.3rem; font-weight: 900; font-variation-settings: "wdth" 80; }
@media (max-width: 700px) { .strip .wrap { grid-template-columns: 1fr 1fr; } }
.section { padding-block: 44px; }
.section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; font-variation-settings: "wdth" 82; margin-bottom: 18px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 12px; }
.cat-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; display: grid; gap: 10px; color: var(--ink); }
.cat-card:hover { border-color: var(--ink); text-decoration: none; }
.cat-card .ph { aspect-ratio: 4 / 3; background: #fff; display: grid; place-items: center; overflow: hidden; }
.cat-card .ph img { max-height: 100%; object-fit: contain; }
.cat-card b { font-family: var(--display); font-size: 1.02rem; }
.cat-card span { font-size: 0.82rem; color: var(--muted); }
.sectors { display: flex; flex-wrap: wrap; gap: 8px; }
.sectors a { border: 1.5px solid var(--ink); color: var(--ink); border-radius: 999px; padding: 7px 14px; font-weight: 500; font-size: 0.92rem; }
.sectors a:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.trust { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 14px; }
.trust div { border-top: 4px solid var(--ink); padding-top: 12px; display: grid; gap: 4px; }
.trust b { font-family: var(--display); font-size: 1.15rem; }
.trust p { color: var(--muted); font-size: 0.94rem; }

/* listing */
.plp { display: grid; grid-template-columns: 250px 1fr; gap: 28px; align-items: start; padding-bottom: 60px; }
.filters { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; position: sticky; top: 120px; max-height: calc(100vh - 140px); overflow: auto; }
.filters h3 { font-size: 0.95rem; font-family: var(--body); font-weight: 600; margin: 14px 0 6px; }
.filters h3:first-child { margin-top: 0; }
.filters label { display: flex; gap: 8px; align-items: center; font-size: 0.9rem; padding: 3px 0; cursor: pointer; }
.filters label span { color: var(--muted); margin-left: auto; font-size: 0.8rem; }
.filters .clear { margin-top: 12px; font-size: 0.86rem; background: none; border: 0; color: var(--link); cursor: pointer; padding: 0; }
.plp-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: end; margin-bottom: 14px; }
.plp-head h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; font-variation-settings: "wdth" 82; }
.plp-head .meta { color: var(--muted); font-size: 0.9rem; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.plp-head select { font: inherit; font-size: 0.9rem; padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
.view-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.view-toggle button { border: 0; background: var(--panel); padding: 6px 10px; cursor: pointer; font: inherit; font-size: 0.85rem; }
.view-toggle button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; display: grid; gap: 8px; grid-template-rows: auto auto auto 1fr auto; min-width: 0; }
.card:hover { border-color: #9aa1a6; }
.card .ph { aspect-ratio: 1; background: #fff; display: grid; place-items: center; overflow: hidden; }
.card .ph img { max-height: 100%; object-fit: contain; }
.card .ph .noimg { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); text-align: center; padding: 10px; }
.card .sku { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.card .name { font-weight: 600; color: var(--ink); line-height: 1.3; }
.card .specs { font-size: 0.82rem; color: var(--muted); margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.card .row { display: flex; gap: 6px; align-items: center; }
.card .row input { width: 56px; font: inherit; font-size: 0.9rem; padding: 7px 6px; border: 1px solid var(--line); border-radius: var(--r); }
.card .row .btn { flex: 1; padding: 8px 10px; font-size: 0.9rem; }
.badge { display: inline-block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 6px; border-radius: 3px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); width: fit-content; }
.badge.duramat { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
/* list view (McMaster/Uline style table) */
.table-view { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); font-size: 0.9rem; }
.table-view th { text-align: left; background: #eceeea; padding: 8px 10px; font-weight: 600; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table-view td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table-view td img { width: 54px; height: 54px; object-fit: contain; background: #fff; }
.table-view td.sku { font-family: var(--mono); font-size: 0.8rem; white-space: nowrap; }
.table-view input { width: 54px; font: inherit; padding: 5px; border: 1px solid var(--line); border-radius: var(--r); }
.tscroll { overflow-x: auto; }
.empty { padding: 40px; text-align: center; color: var(--muted); background: var(--panel); border: 1px dashed var(--line); border-radius: var(--r); }
.ffab { display: none; }
@media (max-width: 900px) {
  .plp { grid-template-columns: 1fr; }
  .filters { position: static; max-height: none; display: none; }
  .filters.open { display: block; }
  .ffab { display: inline-flex; }
}

/* product */
.pdp { display: grid; grid-template-columns: 1.05fr 1fr; gap: 36px; padding-bottom: 32px; }
.gallery { background: #fff; border: 1px solid var(--line); border-radius: var(--r); aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; padding: 20px; }
.gallery img { max-height: 100%; object-fit: contain; }
.buy { display: grid; gap: 14px; align-content: start; }
.buy h1 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; font-variation-settings: "wdth" 85; }
.buy .sku { font-family: var(--mono); color: var(--muted); font-size: 0.85rem; }
.buy ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.quote-box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; display: grid; gap: 12px; }
.quote-box .qty { display: flex; gap: 8px; }
.quote-box input { width: 80px; font: inherit; padding: 10px; border: 1px solid var(--line); border-radius: var(--r); }
.quote-box .btn { flex: 1; }
.quote-box small { color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; font-size: 0.85rem; }
.facts div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 10px; }
.facts b { display: block; font-family: var(--display); font-size: 1rem; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); }
.spec-table th, .spec-table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 38%; background: #f6f7f4; font-weight: 600; font-size: 0.92rem; }
.pdp-sec { padding-block: 22px; border-top: 1px solid var(--line); display: grid; gap: 14px; }
.pdp-sec h2 { font-size: 1.35rem; font-weight: 800; }
.note-3p { font-size: 0.82rem; color: var(--muted); }
@media (max-width: 860px) { .pdp { grid-template-columns: 1fr; } .facts { grid-template-columns: 1fr 1fr; } }

/* quote page */
.qpage { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; padding-bottom: 60px; align-items: start; }
.qlist { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); }
.qitem { display: grid; grid-template-columns: 64px 1fr auto auto; gap: 12px; align-items: center; padding: 12px; border-bottom: 1px solid var(--line); }
.qitem img, .qitem .ph { width: 64px; height: 64px; object-fit: contain; background: #fff; }
.qitem input { width: 64px; font: inherit; padding: 6px; border: 1px solid var(--line); border-radius: var(--r); }
.qitem button { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 0.85rem; }
.qform { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.qform .full { grid-column: 1 / -1; }
.qform label { display: grid; gap: 4px; font-size: 0.85rem; color: var(--muted); }
.qform input, .qform select, .qform textarea { font: inherit; color: var(--ink); padding: 9px 11px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); width: 100%; min-width: 0; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 860px) { .qpage { grid-template-columns: 1fr; } .qform { grid-template-columns: 1fr; } .qitem { grid-template-columns: 52px 1fr auto; } .qitem button { grid-column: 2; justify-self: start; } }

/* toast */
.toast { position: fixed; bottom: max(18px, env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); background: var(--steel); color: #fff; padding: 12px 18px; border-radius: var(--r); border-left: 4px solid var(--signal); z-index: 50; font-size: 0.94rem; box-shadow: 0 6px 24px rgba(0,0,0,.25); }

footer.foot { background: var(--steel); color: #b9bfc4; padding-block: 36px; font-size: 0.9rem; margin-top: 40px; }
footer.foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
footer.foot a { color: #dfe2e4; display: block; padding: 2px 0; }
footer.foot b { color: #fff; display: block; margin-bottom: 6px; }
@media (max-width: 760px) { footer.foot .wrap { grid-template-columns: 1fr; } }