@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800;900&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg: #eef0f2;
  --surface: #ffffff;
  --surface-2: #e4e7ea;
  --ink: #14181f;
  --ink-soft: #4b5866;
  --ink-faint: #7c8794;
  --line: #cfd5db;
  --line-strong: #9aa4ae;
  --accent: #ff6a1a;
  --accent-ink: #7a2e00;
  --accent-soft: #ffe4d3;
  --steel: #35506b;
  --steel-soft: #dbe4ec;
  --ok: #2f7a4f;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #12151a; --surface: #191d24; --surface-2: #20252d;
    --ink: #edeff2; --ink-soft: #aab4c0; --ink-faint: #7c8794;
    --line: #2a3038; --line-strong: #3c4450;
    --accent: #ff7a33; --accent-ink: #ffd9be; --accent-soft: #3a2416;
    --steel: #8fb0cf; --steel-soft: #202c38; --ok: #5cbf85;
  }
}
:root[data-theme="dark"]{
  --bg: #12151a; --surface: #191d24; --surface-2: #20252d;
  --ink: #edeff2; --ink-soft: #aab4c0; --ink-faint: #7c8794;
  --line: #2a3038; --line-strong: #3c4450;
  --accent: #ff7a33; --accent-ink: #ffd9be; --accent-soft: #3a2416;
  --steel: #8fb0cf; --steel-soft: #202c38; --ok: #5cbf85;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  padding-inline: max(16px, calc((100% - 1180px)/2));
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto;}
[hidden]{display:none!important;}
h1,h2,h3{ font-family:"Big Shoulders Display", "Arial Narrow", sans-serif; font-weight:800; letter-spacing:.2px; text-wrap:balance; margin:0; color:var(--ink);}
.eyebrow{ font-family:"IBM Plex Mono", ui-monospace, monospace; font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint); }
.mono{ font-family:"IBM Plex Mono", ui-monospace, monospace; font-variant-numeric:tabular-nums; }
a{ color:inherit; }
p{ color:var(--ink-soft); line-height:1.62; max-width:62ch; margin:0; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.rule{ height:1px; background:repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 12px); }

/* header */
header.site{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding-block:14px; background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom:1px solid var(--line); flex-wrap:wrap;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand svg{ flex:none; }
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-text b{ font-family:"Big Shoulders Display"; font-weight:800; font-size:1.16rem; letter-spacing:.2px; color:var(--ink); }
.brand-text span{ font-family:"IBM Plex Mono"; font-size:.66rem; color:var(--ink-faint); letter-spacing:.06em; }
nav.site{ display:flex; gap:16px; }
nav.site a{ font-size:.84rem; color:var(--ink-soft); text-decoration:none; white-space:nowrap; }
nav.site a:hover, nav.site a:focus-visible{ color:var(--accent); }
.btn{
  font-family:"IBM Plex Sans"; font-weight:600; font-size:.86rem;
  padding:10px 18px; border-radius:3px; border:1px solid transparent; cursor:pointer;
  text-decoration:none; display:inline-flex; align-items:center; gap:8px; white-space:nowrap;
}
.btn-primary{ background:var(--accent); color:#1a0e04; }
.btn-primary:hover{ filter:brightness(1.06); }
.btn-ghost{ background:transparent; border-color:var(--line-strong); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent-ink); }
.navburger{
  display:none; width:40px; height:40px; align-items:center; justify-content:center;
  background:transparent; border:1px solid var(--line-strong); border-radius:3px; color:var(--ink); cursor:pointer;
}
.sister-links{ display:flex; gap:14px; font-family:"IBM Plex Mono"; font-size:.72rem; color:var(--ink-faint); }
.sister-links a{ text-decoration:none; }
.sister-links a:hover{ color:var(--accent); }

/* breadcrumb */
.crumbs{ display:flex; flex-wrap:wrap; align-items:center; gap:6px; font-size:.82rem; color:var(--ink-faint); padding-block:20px 0; }
.crumbs a{ text-decoration:none; color:var(--ink-faint); }
.crumbs a:hover{ color:var(--accent); }
.crumbs .sep{ opacity:.5; }
.crumbs .current{ color:var(--ink-soft); }

/* hero (home) */
.hero{ display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center; padding-block:44px 40px; }
.hero h1{ font-size:clamp(2.2rem, 4vw, 3.5rem); line-height:.99; }
.hero h1 em{ font-style:normal; color:var(--accent); }
.hero .lede{ margin-top:16px; font-size:1.02rem; }
.hero-cta{ display:flex; gap:12px; margin-top:24px; flex-wrap:wrap; }
.hero-tags{ display:flex; gap:10px; margin-top:22px; flex-wrap:wrap; }
.tag{ font-family:"IBM Plex Mono"; font-size:.72rem; letter-spacing:.03em; border:1px solid var(--line-strong); border-radius:2px; padding:5px 9px; color:var(--ink-soft); }
.hero-photo{ position:relative; border-radius:4px; overflow:hidden; background:#0a0a0a; aspect-ratio:933/283; }
.hero-photo img{ width:100%; height:100%; object-fit:cover; display:block; }

/* sections */
section{ padding-block:52px; }
.section-head{ display:flex; justify-content:space-between; align-items:end; gap:24px; margin-bottom:28px; flex-wrap:wrap; }
.section-head h2{ font-size:clamp(1.6rem,2.6vw,2.2rem); margin-top:6px; }
.section-head p{ max-width:38ch; }

/* category tiles (home) */
.cat-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(270px, 1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.cat-tile{
  background:var(--surface); padding:26px 24px; display:flex; flex-direction:column; gap:10px;
  text-decoration:none; color:inherit; transition:background .12s ease;
}
.cat-tile:hover{ background:var(--surface-2); }
.cat-tile .cat-num{ font-family:"IBM Plex Mono"; color:var(--accent); font-size:.8rem; }
.cat-tile h3{ font-size:1.3rem; }
.cat-tile p{ font-size:.86rem; max-width:none; }
.cat-tile .cat-count{ margin-top:auto; padding-top:8px; font-family:"IBM Plex Mono"; font-size:.74rem; color:var(--ink-faint); }

/* advantages */
.advantages{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.adv{ background:var(--surface); padding:22px 20px; display:flex; flex-direction:column; gap:9px; }
.adv svg{ color:var(--accent); flex:none; }
.adv h3{ font-family:"IBM Plex Sans"; font-weight:700; font-size:.96rem; color:var(--ink); }
.adv p{ font-size:.82rem; max-width:none; }

/* toolbar / filter */
.toolbar{ display:flex; gap:12px; align-items:center; margin-bottom:22px; flex-wrap:wrap; }
.search-input{
  flex:1; min-width:220px; font-family:"IBM Plex Sans"; font-size:.94rem; padding:10px 14px;
  border:1px solid var(--line-strong); border-radius:3px; background:var(--surface); color:var(--ink);
}
.result-count{ font-family:"IBM Plex Mono"; font-size:.76rem; color:var(--ink-faint); white-space:nowrap; }

/* product grid (category page) */
.product-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(225px, 1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.product-card{
  background:var(--surface); display:flex; flex-direction:column; text-decoration:none; color:inherit;
  max-width:360px;
}
.product-card .thumb{
  aspect-ratio:4/3; background:var(--surface-2); display:flex; align-items:center; justify-content:center; overflow:hidden;
  padding:14px;
}
.product-card .thumb img{ max-width:100%; max-height:100%; object-fit:contain; }
.product-card .pc-body{ padding:14px 16px 18px; display:flex; flex-direction:column; gap:6px; flex:1; }
.product-card .pc-code{ font-family:"IBM Plex Mono"; font-size:.82rem; color:var(--accent-ink); background:var(--accent-soft); align-self:flex-start; padding:2px 7px; border-radius:2px; }
.product-card h3{ font-size:.92rem; font-weight:600; font-family:"IBM Plex Sans"; line-height:1.35; color:var(--ink); }
.product-card .pc-variants{ margin-top:auto; padding-top:6px; font-family:"IBM Plex Mono"; font-size:.7rem; color:var(--ink-faint); }
.product-card:hover{ background:var(--surface-2); }
.product-card:hover .pc-code{ background:var(--accent); color:#1a0e04; }

/* product detail */
.product-hero{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:34px; }
.product-hero.single{ grid-template-columns:1fr; max-width:520px; }
.pf{ background:var(--surface); display:flex; flex-direction:column; }
.pf .pf-img{ aspect-ratio:4/3; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--surface-2); }
.pf.photo .pf-img{ background:#0d0d0d; }
.pf .pf-img img{ max-width:100%; max-height:100%; object-fit:contain; }
.pf .pf-label{ font-family:"IBM Plex Mono"; font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-faint); padding:10px 16px; border-top:1px solid var(--line); }

.product-meta{ display:grid; grid-template-columns:1.1fr .9fr; gap:44px; align-items:start; }
.product-meta h1{ font-size:clamp(1.8rem,3vw,2.5rem); }
.product-meta .code-badge{ font-family:"IBM Plex Mono"; font-size:.9rem; color:var(--accent-ink); background:var(--accent-soft); padding:4px 10px; border-radius:2px; display:inline-block; margin-bottom:12px; }
.product-meta .lede{ margin-top:16px; font-size:1rem; }
.thread-tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:18px; }
.ttag{ font-family:"IBM Plex Mono"; font-size:.72rem; color:var(--steel); background:var(--steel-soft); border-radius:2px; padding:4px 9px; }
.spec-card{ background:var(--surface); border:1px solid var(--line); border-radius:4px; padding:22px; }
.spec-card h3{ font-size:1rem; margin-bottom:12px; }
.spec-card dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 14px; margin:0; font-size:.86rem; }
.spec-card dt{ font-family:"IBM Plex Mono"; color:var(--ink-faint); text-transform:uppercase; font-size:.7rem; align-self:center; }
.spec-card dd{ margin:0; font-weight:600; }

/* variant table */
.variant-wrap{ overflow-x:auto; margin-top:44px; }
table{ width:100%; border-collapse:collapse; font-size:.88rem; }
thead th{ text-align:left; font-family:"IBM Plex Mono"; font-weight:500; font-size:.72rem; letter-spacing:.05em; color:var(--ink-faint); border-bottom:1px solid var(--line-strong); padding:9px 12px; text-transform:uppercase; }
tbody td{ padding:9px 12px; border-bottom:1px solid var(--line); }
tbody tr:last-child td{ border-bottom:1px solid var(--line-strong); }
tbody tr:hover{ background:color-mix(in srgb, var(--steel) 6%, transparent); }
td.num, th.num{ font-family:"IBM Plex Mono"; text-align:right; font-variant-numeric:tabular-nums; }
td.code-cell{ font-family:"IBM Plex Mono"; }

.related{ margin-top:52px; }
.related h2{ font-size:1.3rem; margin-bottom:18px; }

/* warehouse / contact shared */
.wh-wrap, .contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.contact-wrap{ background:none; border:none; gap:44px; align-items:start; }
.wh-card{ background:var(--surface); padding:30px; }
.wh-card h3{ font-size:1.2rem; margin-bottom:12px; }
.addr{ font-size:1.05rem; font-weight:600; }
.map-link{ display:inline-flex; gap:6px; margin-top:14px; font-size:.84rem; color:var(--steel); text-decoration:none; align-items:center; }
.map-link:hover{ color:var(--accent); }
.wh-list{ list-style:none; margin:14px 0 0; padding:0; display:flex; flex-direction:column; gap:8px; }
.wh-list li{ display:flex; gap:9px; font-size:.87rem; color:var(--ink-soft); align-items:flex-start; }
.wh-list li svg{ flex:none; margin-top:2px; color:var(--accent); }

.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:15px; }
.field label{ font-family:"IBM Plex Mono"; font-size:.7rem; letter-spacing:.05em; color:var(--ink-faint); text-transform:uppercase; }
.field input, .field textarea{
  font-family:"IBM Plex Sans"; font-size:.94rem; padding:11px 12px; border:1px solid var(--line-strong);
  border-radius:2px; background:var(--surface); color:var(--ink); resize:vertical;
}
.field input:focus, .field textarea:focus{ outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent); }
.contact-info dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 16px; margin:0; }
.contact-info dt{ font-family:"IBM Plex Mono"; font-size:.7rem; color:var(--ink-faint); text-transform:uppercase; align-self:center; }
.contact-info dd{ margin:0; font-size:.98rem; font-weight:600; }
#sent{ margin-top:14px; font-size:.86rem; }

footer{ border-top:1px solid var(--line); padding-block:24px 40px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; }
footer p{ font-size:.78rem; color:var(--ink-faint); max-width:none; }

@media (max-width: 900px){
  .hero{ grid-template-columns:1fr; }
  .hero-photo{ order:-1; }
  .advantages{ grid-template-columns:repeat(2,1fr); }
  .product-hero{ grid-template-columns:1fr; }
  .product-meta{ grid-template-columns:1fr; }
  .wh-wrap, .contact-wrap{ grid-template-columns:1fr; }
  nav.site{ display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; gap:0;
    background:var(--surface); border:1px solid var(--line); border-radius:4px; padding:6px; margin-top:8px; }
  nav.site.open{ display:flex; }
  nav.site a{ padding:12px 10px; border-bottom:1px solid var(--line); }
  nav.site a:last-child{ border-bottom:none; }
  .navburger{ display:flex; }
  .sister-links{ display:none; }
}