:root {
  --paper: #E8F0F8;
  --white: #FFFFFF;
  --ink: #0F2A44;
  --steel: #4B5C6E;
  --line: #BFCFDD;
  --tint: #DAE6F2;
  --brass: #E8601C;
  --brass-deep: #B8480F;
  --brass-light: #FFD7BC;
  --brass-on-ink: #F2793A;
  --font-display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: var(--brass); text-underline-offset: 0.18em; text-decoration-thickness: 2px; }
a:hover { color: var(--brass-deep); }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }
.wrap { width: min(100% - 2 * var(--gutter), 1160px); margin-inline: auto; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 .6em; }
h1 { font-weight: 800; font-size: clamp(2rem, 4.2vw, 3.1rem); }
h2 { font-weight: 700; font-size: clamp(1.45rem, 2.4vw, 1.95rem); }
h3 { font-weight: 700; font-size: 1.15rem; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 56ch; color: var(--steel); }
.note { font-size: .92rem; color: inherit; opacity: .8; margin-top: 1.5rem; }

/* ---------- buttons */
.btn {
  display: inline-block; padding: .8rem 1.35rem; border: 2px solid var(--ink); border-radius: 2px;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
  line-height: 1.2; transition: background-color .15s, color .15s;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--brass-deep); border-color: var(--brass-deep); color: var(--white); }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: .55rem 1rem; font-size: .95rem; }

/* ---------- header */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.4rem; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-main { font-family: var(--font-display); font-weight: 800; font-size: 1.7rem; letter-spacing: .06em; }
.brand-sub { font-size: .72rem; color: var(--steel); letter-spacing: .02em; margin-top: .25rem; }
.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav ul { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; font-weight: 500; }
.nav ul a { padding: .3rem 0; border-bottom: 2px solid transparent; }
.nav ul a:hover, .nav ul a[aria-current="page"] { border-bottom-color: var(--brass); color: var(--ink); }
.nav .lang { font-size: .92rem; color: var(--steel); }
.nav .btn-solid { color: var(--paper); }
.menu-btn { display: none; background: none; border: 2px solid var(--ink); color: var(--ink); font: 600 .95rem var(--font-body); padding: .45rem .8rem; border-radius: 2px; cursor: pointer; }

/* ---------- hero */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 4.2rem); margin-bottom: .45em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.drawing { margin: 0; padding: 1rem 1rem .7rem; border: 1px solid var(--line); background-color: var(--white);
  background-image: linear-gradient(var(--tint) 1px, transparent 1px), linear-gradient(90deg, var(--tint) 1px, transparent 1px);
  background-size: 26px 26px; }
.drawing svg { display: block; width: 100%; }
.drawing figcaption { font-size: .85rem; color: var(--steel); margin-top: .5rem; }
.part { fill: var(--paper); stroke: var(--ink); stroke-width: 2.2; stroke-linejoin: round; }
.center { stroke: var(--brass); stroke-width: 1.3; stroke-dasharray: 16 4 3 4; }
.hidden { stroke: var(--steel); stroke-width: 1.4; stroke-dasharray: 6 4; fill: none; }
.ext { stroke: var(--brass-deep); stroke-width: 1; }
.dim { stroke: var(--brass-deep); stroke-width: 1.4; }
.dim-fill { fill: var(--brass-deep); }
.dim-text { fill: var(--brass-deep); font: 600 16px var(--font-body); }

/* ---------- bands & sections */
.band { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.band-ink { background: var(--ink); color: var(--paper); }
.band-brass { background: var(--brass-light); color: var(--ink); }
.section { padding: clamp(2.5rem, 5vw, 4.2rem) 0; }
.section-tint { background: var(--tint); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4.5rem); align-items: start; }
.cta-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.cta-grid h2 { margin-bottom: .3em; }
.cta-grid p { margin: 0; }

/* ---------- tables */
.tablewrap { overflow-x: auto; margin: 0 0 1.5rem; }
table.spec { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .98rem; }
.spec th, .spec td { padding: .7rem .8rem .7rem 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.spec thead th { font-size: .85rem; font-weight: 600; color: var(--steel); border-bottom: 2px solid var(--ink); white-space: nowrap; }
.spec tbody th { font-weight: 600; }
.spec .sub { display: block; font-weight: 400; font-size: .85rem; color: var(--steel); }
.spec .num { text-align: right; padding-right: 1rem; white-space: nowrap; }
.band-ink .spec th, .band-ink .spec td { border-bottom-color: rgba(242, 243, 240, .22); }
.band-ink .spec thead th { color: #B8C2C7; border-bottom-color: var(--brass-on-ink); }
.band-ink .spec .sub { color: #B8C2C7; }
.band-ink h2 { color: var(--paper); }
.band-ink h3 { color: var(--brass-on-ink); margin-top: 1.4rem; }
.band-ink h3:first-child { margin-top: 0; }
.fleet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; margin-top: 1.5rem; }

/* ---------- row lists */
.rows { list-style: none; margin: 1.5rem 0 0; padding: 0; border-bottom: 1px solid var(--line); }
.rows li { border-top: 1px solid var(--line); }
.rows a { display: grid; grid-template-columns: minmax(10rem, 1fr) 2fr; gap: 1rem 2rem; padding: 1.4rem .2rem; text-decoration: none; }
.rows a:hover { background: var(--tint); color: var(--ink); }
.row-title { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; line-height: 1.2; }
.row-text { color: var(--steel); }
.steps { list-style: none; counter-reset: s; margin: 1.2rem 0 0; padding: 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 2.6rem 1fr; padding: 1rem 0; border-top: 1px solid var(--line); }
.steps li::before { content: counter(s); font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; color: var(--brass-deep); line-height: 1.1; }
.steps strong { display: block; font-family: var(--font-display); font-size: 1.1rem; }
.steps span { grid-column: 2; color: var(--steel); }
ul.plain { margin: 0 0 1.2em; padding-left: 1.2rem; }
ul.plain li { margin-bottom: .35rem; }
ul.plain li::marker { color: var(--brass); }
ul.tight li { margin-bottom: .2rem; }
.linklist { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.linklist li { border-top: 1px solid var(--line); padding: .7rem 0; display: flex; justify-content: space-between; gap: 1rem; }
.linklist.big li { padding: 1rem 0; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.linklist.big { border-bottom: 1px solid var(--line); }
.count { font: 400 .9rem var(--font-body); color: var(--steel); white-space: nowrap; align-self: center; }

/* ---------- inner pages */
.page-head { padding: 2rem 0 2rem; border-bottom: 1px solid var(--line); }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .3rem .6rem; margin: 0 0 1.2rem; padding: 0; font-size: .9rem; color: var(--steel); }
.crumbs li + li::before { content: "/"; margin-right: .6rem; color: var(--line); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.prose { max-width: 46rem; }
.prose h2 { margin-top: 2.2rem; }
.prose h2:first-child { margin-top: 0; }
.side { position: sticky; top: 6rem; display: grid; gap: 1.5rem; }
.side-box { border: 2px solid var(--ink); background: var(--white); padding: 1.3rem; }
.side-box h2 { font-size: 1.25rem; }
.side-contact { font-size: .95rem; margin: 0; }
.side-links h2 { font-size: 1rem; color: var(--steel); }
.side-links ul { list-style: none; margin: 0; padding: 0; }
.side-links li { border-top: 1px solid var(--line); }
.side-links a { display: block; padding: .6rem 0; text-decoration: none; }
.side-links a[aria-current="page"] { font-weight: 600; box-shadow: inset 3px 0 var(--brass); padding-left: .7rem; }
.faq details { border-top: 1px solid var(--line); padding: .9rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: .6rem 0 0; color: var(--steel); }
.facts { margin: 0 0 1.5rem; }
.facts div { display: grid; grid-template-columns: 11rem 1fr; gap: 1rem; padding: .7rem 0; border-top: 1px solid var(--line); }
.facts div:last-child { border-bottom: 1px solid var(--line); }
.facts dt { color: var(--steel); }
.facts dd { margin: 0; font-weight: 500; }
.pimg { margin: 0 0 1.5rem; border: 1px solid var(--line); background: var(--white); }
.disclaimer-note { font-size: .88rem; color: var(--steel); border-left: 3px solid var(--brass); padding-left: .9rem; margin-top: 2rem; max-width: 60ch; }

/* products */
.cat-block { display: grid; grid-template-columns: 1fr 1.6fr; gap: 1rem clamp(1.5rem, 5vw, 4rem); padding: 2rem 0; border-top: 2px solid var(--ink); }
.cat-block:first-child { border-top: 0; padding-top: 0; }
.cat-head h2 { margin-bottom: .4em; }
.cat-head h2 a { text-decoration: none; }
.cat-head p { color: var(--steel); }
.plist { list-style: none; margin: 0; padding: 0; }
.plist li { border-top: 1px solid var(--line); }
.plist li:last-child { border-bottom: 1px solid var(--line); }
.plist a { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: .75rem .2rem; text-decoration: none; }
.plist a:hover { background: var(--tint); color: var(--ink); }
.p-ref { font-variant-numeric: tabular-nums; color: var(--steel); font-size: .95rem; }
.plisttable th a { text-decoration: none; }
.plisttable th a:hover { text-decoration: underline; }

/* ---------- form */
.form { max-width: 40rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .98rem; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field select, .field textarea {
  width: 100%; padding: .7rem .8rem; font: inherit; background: var(--white); color: var(--ink);
  border: 1px solid #8D9A9F; border-radius: 2px;
}
.field input[type=file] { width: 100%; padding: .6rem 0; font: inherit; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.2rem; }
.field.check { display: flex; gap: .7rem; align-items: flex-start; }
.field.check input { margin-top: .3rem; width: 1.15rem; height: 1.15rem; accent-color: var(--ink); }
.field.check label { font-weight: 400; margin: 0; }
.field .err { color: #9A2A1A; font-size: .9rem; margin: .3rem 0 0; }
.field input[aria-invalid=true], .field textarea[aria-invalid=true] { border-color: #9A2A1A; border-width: 2px; }
.hp { position: absolute; left: -9999px; }
.status { border: 2px solid var(--ink); background: var(--white); padding: 1rem 1.2rem; margin-bottom: 1.5rem; max-width: 40rem; font-weight: 500; }
.status.ok { border-color: #2D6A3E; }
.status.bad { border-color: #9A2A1A; }

/* ---------- footer */
.site-footer { background: var(--ink); color: var(--paper); padding: 3rem 0 2rem; margin-top: 0; font-size: .98rem; }
.site-footer a { color: var(--paper); text-decoration-color: var(--brass-on-ink); }
.site-footer a:hover { color: var(--brass-on-ink); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2rem; }
.foot-brand { font-size: 1.6rem; margin: 0 0 .5rem; }
.foot-blurb { max-width: 30ch; margin-bottom: .6rem; }
.foot-legal { font-size: .85rem; color: #B8C2C7; }
.foot-h { font-size: 1rem; color: var(--brass-on-ink); font-family: var(--font-display); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .35rem; }
.site-footer address { font-style: normal; }
.foot-bottom { margin-top: 2.2rem; padding-top: 1.2rem; border-top: 1px solid rgba(242, 243, 240, .22); font-size: .85rem; color: #B8C2C7; }
.foot-bottom p { margin: 0 0 .6rem; max-width: 80ch; }

/* ---------- responsive */
.hero-grid > *, .fleet-grid > *, .two-col > *, .content-grid > *, .cat-block > *, .cta-grid > * { min-width: 0; }
@media (max-width: 62rem) {
  .hero-grid, .fleet-grid, .two-col, .content-grid, .cat-block, .cta-grid { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .rows a { grid-template-columns: 1fr; gap: .3rem; }
}
@media (max-width: 54rem) {
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; padding: 1rem var(--gutter) 1.4rem; gap: 1rem; }
  .nav.open { display: flex; }
  .nav ul { flex-direction: column; gap: .4rem; }
  .site-header .bar { position: relative; }
}
@media (max-width: 40rem) {
  .field-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: .1rem; }
  .brand-sub { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }
@media print { .site-header, .site-footer, .side, .hero-actions, .menu-btn { display: none; } body { background: #fff; } }

/* ---------- catalog */
.catalog { display: grid; grid-template-columns: 17rem minmax(0, 1fr); gap: 2rem clamp(1.5rem, 4vw, 3rem); align-items: start; }
.filters { position: sticky; top: 5.5rem; max-height: calc(100vh - 6.5rem); overflow: auto; padding-right: .5rem; }
.filter-toggle { display: none; }
.f-group { border: 0; margin: 0 0 1.5rem; padding: 0; min-width: 0; }
.f-title { display: block; font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; padding: 0 0 .5rem; margin-bottom: .4rem; border-bottom: 2px solid var(--ink); width: 100%; }
.filters input[type=search] { width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); background: var(--white); font: inherit; }
.f-opt { display: grid; grid-template-columns: auto 1fr auto; gap: .6rem; align-items: center; padding: .35rem 0; cursor: pointer; }
.f-opt em { font-style: normal; color: var(--steel); font-size: .85rem; font-variant-numeric: tabular-nums; }
.f-opt input { accent-color: var(--brass); width: 1.05rem; height: 1.05rem; }
.count { margin: 0 0 1rem; color: var(--steel); }
.count span { font-weight: 700; color: var(--ink); }
.pgrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pcard { background: var(--white); min-width: 0; }
.pcard[hidden] { display: none; }
.pcard a { display: flex; flex-direction: column; gap: .3rem; height: 100%; padding: .8rem .8rem 1rem; text-decoration: none; }
.pcard a:hover { background: var(--tint); }
.pcard-img { display: grid; place-items: center; aspect-ratio: 1 / 1; margin-bottom: .5rem; }
.pcard-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.noimg { display: grid; place-items: center; width: 100%; height: 100%; background: var(--paper); color: var(--steel); font-family: var(--font-display); font-weight: 700; text-align: center; }
.noimg small { display: block; font: 400 .75rem var(--font-body); }
.pcard-name { font-weight: 600; line-height: 1.3; }
.pcard-oem { font-size: .85rem; color: var(--steel); overflow-wrap: anywhere; }
.pcard-oem b { color: var(--brass-deep); letter-spacing: .04em; margin-right: .3em; }
.pcard-code { margin-top: auto; padding-top: .4rem; font-size: .8rem; color: var(--steel); font-variant-numeric: tabular-nums; }
.empty { padding: 2rem 0; }
.pimg { display: flex; flex-wrap: wrap; gap: 1px; justify-content: center; padding: 1rem; }
.pimg img { max-width: min(100%, 26rem); height: auto; }
@media (max-width: 860px) {
  .catalog { grid-template-columns: minmax(0, 1fr); }
  .filter-toggle { display: block; width: 100%; padding: .75rem; background: var(--ink); color: #fff; border: 0; font: 600 1rem var(--font-body); text-align: left; }
  .filters { display: none; position: static; max-height: none; padding: 1rem; background: var(--white); border: 1px solid var(--line); }
  .filters.open { display: block; }
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.logo { display: block; height: 4.6rem; margin: -.7rem 0 -.7rem -1.1rem; width: auto; }
.foot-logo { display: inline-block; margin-bottom: .8rem; }
.foot-logo img { height: 5rem; margin-left: -1.1rem; width: auto; display: block; }
@media (max-width: 40rem) { .logo { height: 3.8rem; margin-left: -.9rem; } }

.pager { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; justify-content: center; margin: 1.5rem 0 0; }
.pager button { min-width: 2.6rem; height: 2.6rem; padding: 0 .8rem; border: 1px solid var(--line); background: var(--white); color: var(--ink); font: 600 .95rem var(--font-body); cursor: pointer; }
.pager button:hover:not(:disabled) { border-color: var(--ink); }
.pager button.cur { background: var(--ink); color: #fff; border-color: var(--ink); }
.pager button:disabled { opacity: .4; cursor: default; }
.pager span { color: var(--steel); padding: 0 .2rem; }

.seo-h { margin-top: 2rem; }
.seo-p { max-width: 68ch; color: var(--steel); }