/* UNISO — saw chain and guide bars. Workshop palette: bar-oil steel, sawdust paper, chain-guard orange. */
:root {
  --paper: #f5f3ee;
  --card: #ffffff;
  --ink: #1c1e1b;
  --muted: #5d625a;
  --line: #dcd8cf;
  --steel: #2b2f2c;
  --steel-2: #3a3f3b;
  --accent: #d4500f;
  --accent-ink: #ffffff;
  --stamp-bg: #ecebe6;
  --shadow: 0 1px 2px rgba(28, 30, 27, .06), 0 8px 24px rgba(28, 30, 27, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151714;
    --card: #1e211d;
    --ink: #ecebe5;
    --muted: #a3a89f;
    --line: #333830;
    --steel: #0e100e;
    --steel-2: #1b1e1a;
    --accent: #f06a26;
    --accent-ink: #160b04;
    --stamp-bg: #2a2e28;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 Barlow, "Segoe UI", system-ui, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: "Barlow Condensed", "Arial Narrow", sans-serif; line-height: 1.1; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: .02em; }
p { margin: 0; }
[hidden] { display: none !important; }

.wrap { max-width: 1180px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
.kicker { font: 600 .82rem/1 Barlow, sans-serif; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 60ch; }
.fine { font-size: .82rem; color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink); text-decoration: none;
  font: 600 1rem/1 Barlow, sans-serif; padding: 14px 22px; border-radius: 4px; white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); }

/* header */
.top { background: var(--steel); color: #f2f1ec; position: sticky; top: 0; z-index: 10; }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 700 1.45rem/1 "Barlow Condensed", sans-serif; letter-spacing: .12em; text-decoration: none; }
.logo-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; background: var(--accent); color: #fff; border-radius: 3px; font-size: 1.1rem; letter-spacing: 0; }
.logo.small { font-size: 1.2rem; }
.top nav { display: flex; gap: 22px; flex-wrap: wrap; }
.top nav a { text-decoration: none; font-weight: 500; opacity: .85; }
.top nav a:hover { opacity: 1; color: #ffb48c; }

/* hero */
.hero { background: linear-gradient(180deg, var(--steel) 0, var(--steel-2) 100%); color: #f2f1ec; }
.hero-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-block: 64px 72px; }
.hero .lede { color: #c9cbc4; margin-top: 18px; }
.hero h1 { margin-top: 14px; }
.hero-img { background: #fff; border-radius: 6px; padding: 18px; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.hero-img img { aspect-ratio: 1; object-fit: contain; width: 100%; }
.finder { margin-top: 30px; max-width: 520px; }
.finder label { display: block; font-weight: 600; margin-bottom: 8px; font-size: .95rem; }
.finder-row { display: flex; gap: 8px; }
.finder input {
  flex: 1; min-width: 0; padding: 13px 14px; font: inherit; border-radius: 4px;
  border: 1px solid #555b55; background: #f8f7f3; color: #1c1e1b;
}
.finder-hint { min-height: 1.6em; margin-top: 8px; color: #ffb48c; font-size: .95rem; }

/* facts */
.facts { border-bottom: 1px solid var(--line); background: var(--card); }
.facts-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-block: 26px; }
.facts b { display: block; font: 600 1.15rem/1.2 "Barlow Condensed", sans-serif; letter-spacing: .02em; }
.facts span { color: var(--muted); font-size: .92rem; }

/* sections */
.block { padding-block: 64px 8px; }
.block-head { display: grid; gap: 8px; margin-bottom: 24px; }
.block-head p { color: var(--muted); max-width: 64ch; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.chip {
  font: 600 .95rem/1 Barlow, sans-serif; padding: 9px 14px; border-radius: 99px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.card {
  display: flex; flex-direction: column; text-decoration: none; background: var(--card);
  border: 1px solid var(--line); border-radius: 6px; overflow: hidden; box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card-img { background: #fff; padding: 14px; border-bottom: 1px solid var(--line); }
.card-img img { aspect-ratio: 1; object-fit: contain; width: 100%; }
.card-body { padding: 16px 18px 20px; display: grid; gap: 8px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; }
.len { font: 700 2.1rem/1 "Barlow Condensed", sans-serif; }
.len small { font-size: .95rem; margin-left: 2px; color: var(--muted); font-weight: 600; }
.cutter { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.equiv { font-weight: 600; font-size: .95rem; }
.fits { color: var(--muted); font-size: .9rem; line-height: 1.45; }
.price { margin-top: 4px; font-size: .95rem; color: var(--muted); }
.price b { color: var(--ink); font-size: 1.15rem; }
.empty { margin-top: 20px; padding: 18px; border: 1px dashed var(--line); border-radius: 6px; color: var(--muted); }

/* the bar stamp: how the size is actually marked on a guide bar */
.stamp {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  font: 500 .88rem/1 "JetBrains Mono", ui-monospace, monospace; letter-spacing: .02em;
  background: var(--stamp-bg); border: 1px solid var(--line); padding: 7px 10px; border-radius: 3px;
}
.stamp i { color: var(--accent); font-style: normal; }

/* sizing */
.sizing { margin-top: 64px; background: var(--steel); color: #f2f1ec; padding-block: 64px; }
.sizing .block-head p { color: #c9cbc4; }
.bar-diagram { margin: 10px 0 34px; overflow: hidden; }
.bar-shape {
  position: relative; height: 74px; max-width: 760px;
  background: linear-gradient(180deg, #8d938c, #c3c7c0 40%, #9aa098);
  border-radius: 8px 40px 40px 8px;
}
.bar-shape::after { content: ""; position: absolute; left: 0; right: 30px; top: 50%; height: 2px; background: rgba(0,0,0,.25); }
.bar-stamp {
  position: absolute; left: 22px; top: 50%; transform: translateY(-50%); z-index: 1;
  font: 500 1rem/1 "JetBrains Mono", monospace; color: #2b2f2c; background: rgba(255,255,255,.55);
  padding: 6px 10px; border-radius: 3px; border: 1px solid rgba(0,0,0,.2); white-space: nowrap;
}
.size-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.size-grid h3 { color: #ffb48c; text-transform: uppercase; letter-spacing: .12em; font-size: .95rem; }
.size-grid .big { font: 600 1.5rem/1.2 "Barlow Condensed", sans-serif; margin: 6px 0 8px; color: #fff; }
.size-grid p { color: #c9cbc4; }

.contact { padding-block: 64px 80px; text-align: center; display: grid; gap: 12px; justify-items: center; }
.contact p { color: var(--muted); max-width: 56ch; }
.mail { font-family: "JetBrains Mono", monospace; user-select: all; }
.contact .mail.big { font-size: 1.25rem; color: var(--ink); margin-top: 6px; }

/* product page */
.product { padding-block: 28px 72px; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 20px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.prod-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: start; }
.gallery { min-width: 0; }
.main-img { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 18px; }
.main-img img { aspect-ratio: 1; object-fit: contain; width: 100%; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(68px, 1fr)); gap: 8px; margin-top: 10px; }
.thumb { padding: 4px; background: #fff; border: 2px solid var(--line); border-radius: 4px; cursor: pointer; }
.thumb.on { border-color: var(--accent); }
.thumb img { aspect-ratio: 1; object-fit: contain; width: 100%; }
.info { display: grid; gap: 16px; min-width: 0; }
.specs { width: 100%; border-collapse: collapse; font-size: .97rem; }
.specs th, .specs td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 38%; color: var(--muted); font-weight: 500; }
.packs h2 { font-size: 1.3rem; margin-bottom: 8px; }
.packs ul { list-style: none; margin: 0 0 6px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.packs li { display: flex; justify-content: space-between; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 10px 12px; font-size: .95rem; }
.info .btn { justify-self: start; }
.check { margin-top: 44px; padding: 20px 22px; border-left: 4px solid var(--accent); background: var(--card); border-radius: 0 6px 6px 0; }
.check h2 { font-size: 1.3rem; margin-bottom: 6px; }
.check a { color: var(--accent); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 44px; }
.detail-grid > div { min-width: 0; }
.detail-grid h2 { margin-bottom: 16px; }
.bullets { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.bullets h3 { margin-bottom: 4px; }
.bullets p, .brand p { color: var(--muted); }
.brand { padding: 12px 0; border-bottom: 1px solid var(--line); }
.brand h3 { margin-bottom: 4px; }
.note { margin-top: 14px; font-size: .92rem; color: var(--muted); font-style: italic; }

/* footer */
.foot { background: var(--steel); color: #c9cbc4; font-size: .92rem; }
.foot-in { display: grid; grid-template-columns: 1fr 1.3fr; gap: 32px; padding-block: 36px; }
.foot .logo { color: #f2f1ec; margin-bottom: 10px; }
.foot p + p { margin-top: 8px; }
.foot .fine { color: #8f948c; }

@media (max-width: 900px) {
  .hero-in, .prod-grid, .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-img { max-width: 420px; }
  .facts-in { grid-template-columns: repeat(2, 1fr); }
  .size-grid { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero-in { padding-block: 40px 48px; }
  .facts-in { grid-template-columns: 1fr; gap: 14px; }
  .top nav { gap: 14px; font-size: .95rem; }
  .finder-row { flex-direction: column; }
}