:root {
  --bg: #f7f7f2;
  --surface: #ffffff;
  --surface-soft: #f0f1eb;
  --ink: #17201b;
  --ink-soft: #34423a;
  --muted: #6c776f;
  --line: #dfe4dc;
  --line-strong: #c7cec5;
  --green: #24634c;
  --green-dark: #174533;
  --green-soft: #dce9df;
  --sand: #efe5d2;
  --sand-deep: #a56f37;
  --blue: #dfeaee;
  --blue-deep: #32677c;
  --max: 1280px;
  --pad: clamp(18px, 4vw, 56px);
  --radius: 18px;
  --font-display: "Bahnschrift", "DIN Alternate", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Aptos", "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  --font-mono: "Cascadia Mono", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--font-body); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.seo-skip { position: fixed; inset-inline-start: 16px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 8px; }
.seo-skip:focus { top: 12px; }
.seo-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(199,206,197,.72); background: rgba(247,247,242,.95); backdrop-filter: blur(16px); }
.seo-header-inner { width: min(var(--max), calc(100% - var(--pad) * 2)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.seo-brand { display: inline-flex; align-items: center; gap: 12px; }
.seo-brand-mark { width: 34px; height: 34px; border: 1px solid var(--line-strong); border-radius: 50%; display: grid; place-items: center; color: var(--green); font-family: var(--font-display); font-size: 18px; }
.seo-brand-copy { display: grid; gap: 1px; }
.seo-brand-copy strong { font-family: var(--font-display); letter-spacing: .14em; font-size: 16px; line-height: 1; }
.seo-brand-copy small { color: var(--muted); font-family: var(--font-mono); font-size: 7px; letter-spacing: .15em; }
.seo-nav { display: flex; align-items: center; gap: clamp(16px, 2.3vw, 32px); }
.seo-nav > a { color: var(--muted); font-size: 11px; font-weight: 650; }
.seo-nav > a:hover { color: var(--ink); }
.seo-langs { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.seo-langs a { min-width: 29px; padding: 5px 6px; border-radius: 999px; text-align: center; color: var(--muted); font-family: var(--font-mono); font-size: 8px; }
.seo-langs a[aria-current="page"] { color: #fff; background: var(--green); }
.seo-main { min-height: 60vh; }
.seo-wrap { width: min(var(--max), calc(100% - var(--pad) * 2)); margin: 0 auto; }
.seo-hero { padding: clamp(54px, 8vw, 108px) 0 48px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: clamp(30px, 5vw, 72px); align-items: end; }
.seo-kicker { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; color: var(--green); font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.seo-kicker::before { content: ""; width: 28px; height: 1px; background: var(--green); }
.seo-hero h1, .seo-page-head h1, .seo-product-title { margin: 0; font-family: var(--font-display); font-size: clamp(48px, 7vw, 94px); line-height: .94; letter-spacing: -.045em; font-weight: 500; }
.seo-hero p { max-width: 720px; margin: 24px 0 0; color: var(--muted); font-size: clamp(14px, 1.45vw, 18px); line-height: 1.8; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.seo-button { min-height: 50px; padding: 0 18px; border: 1px solid var(--ink); border-radius: 9px; display: inline-flex; align-items: center; gap: 24px; background: var(--ink); color: #fff; font-size: 11px; font-weight: 700; }
.seo-button.secondary { color: var(--ink); background: transparent; border-color: var(--line-strong); }
.seo-button:hover { background: var(--green); border-color: var(--green); color: #fff; }
.seo-hero-panel { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 22px 60px rgba(23,32,27,.07); }
.seo-hero-panel img { width: 100%; aspect-ratio: 1.18; object-fit: contain; border-radius: 12px; background: var(--surface-soft); }
.seo-hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 18px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seo-hero-stats div { padding: 14px 11px; background: var(--surface); }
.seo-hero-stats strong { display: block; font-family: var(--font-display); font-size: 26px; font-weight: 500; }
.seo-hero-stats span { color: var(--muted); font-size: 9px; }
.seo-section { padding: 64px 0; border-top: 1px solid var(--line); }
.seo-section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.seo-section-head h2 { max-width: 760px; margin: 0; font-family: var(--font-display); font-size: clamp(34px, 4.8vw, 62px); line-height: 1; letter-spacing: -.035em; font-weight: 500; }
.seo-section-head p { max-width: 520px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.seo-category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.seo-category { min-height: 330px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); display: flex; flex-direction: column; overflow: hidden; }
.seo-category:nth-child(1) { background: var(--blue); }
.seo-category:nth-child(2) { background: var(--sand); }
.seo-category:nth-child(3) { background: var(--green-soft); }
.seo-category-top { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-family: var(--font-mono); font-size: 8px; }
.seo-category h3 { margin: 20px 0 10px; font-family: var(--font-display); font-size: clamp(28px, 3vw, 42px); line-height: 1; font-weight: 500; }
.seo-category p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.seo-category-link { margin-top: auto; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 10px; font-weight: 700; }
.seo-model-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.seo-model-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.seo-model-card figure { margin: 0; height: 210px; padding: 20px; display: grid; place-items: center; background: var(--surface-soft); }
.seo-model-card figure.media-eo { background: var(--blue); }
.seo-model-card figure.media-piston { background: var(--sand); }
.seo-model-card figure.media-turbo { background: var(--green-soft); }
.seo-model-card img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.seo-model-card-body { padding: 18px; }
.seo-model-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-family: var(--font-mono); font-size: 8px; text-transform: uppercase; }
.seo-model-card h3 { margin: 12px 0 8px; font-family: var(--font-display); font-size: 22px; line-height: 1.1; font-weight: 500; }
.seo-model-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.seo-model-card a.card-link { display: inline-flex; margin-top: 18px; color: var(--green); font-size: 10px; font-weight: 750; }
.seo-app-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.seo-app { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.seo-app span { color: var(--green); font-family: var(--font-mono); font-size: 8px; }
.seo-app h3 { margin: 16px 0 8px; font-family: var(--font-display); font-size: 23px; font-weight: 500; }
.seo-app p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.seo-contact { padding: clamp(34px, 5vw, 64px); border-radius: var(--radius); background: var(--green-dark); color: #fff; display: grid; grid-template-columns: 1.2fr .8fr; gap: 38px; align-items: end; }
.seo-contact h2 { margin: 0; font-family: var(--font-display); font-size: clamp(38px, 5.4vw, 72px); line-height: .98; letter-spacing: -.035em; font-weight: 500; }
.seo-contact p { max-width: 620px; margin: 18px 0 0; color: rgba(255,255,255,.64); font-size: 13px; line-height: 1.8; }
.seo-contact-side { display: grid; gap: 10px; }
.seo-contact-side a { padding: 13px 15px; border: 1px solid rgba(255,255,255,.23); border-radius: 9px; display: flex; justify-content: space-between; gap: 20px; font-size: 11px; }
.seo-footer { padding: 36px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.seo-footer-grid { display: flex; justify-content: space-between; gap: 28px; }
.seo-footer a { color: var(--ink-soft); }
.seo-breadcrumbs { padding: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-family: var(--font-mono); font-size: 8px; }
.seo-breadcrumbs a { color: var(--muted); }
.seo-page-head { padding: 44px 0 34px; }
.seo-page-head h1 { font-size: clamp(44px, 6.6vw, 86px); }
.seo-page-head p { max-width: 760px; margin: 20px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.seo-product-hero { padding: 38px 0 52px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: clamp(28px, 5vw, 70px); align-items: start; }
.seo-product-title { font-size: clamp(42px, 6vw, 78px); }
.seo-product-lead { margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.seo-highlights { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.seo-highlights span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink-soft); font-size: 9px; }
.seo-product-figure { margin: 0; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 22px 60px rgba(23,32,27,.07); }
.seo-product-figure img { width: 100%; max-height: 480px; object-fit: contain; border-radius: 12px; background: var(--surface-soft); }
.seo-product-figure figcaption { margin-top: 14px; color: var(--muted); font-size: 9px; }
.seo-spec-section { padding: 54px 0; border-top: 1px solid var(--line); }
.seo-spec-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); }
.seo-spec-table th, .seo-spec-table td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: start; vertical-align: top; font-size: 11px; }
.seo-spec-table th { width: 40%; color: var(--muted); font-weight: 500; }
.seo-spec-table td { color: var(--ink); font-weight: 650; }
.seo-spec-table tr:last-child th, .seo-spec-table tr:last-child td { border-bottom: 0; }
.seo-related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.seo-related a { padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.seo-related strong { display: block; font-family: var(--font-display); font-size: 24px; font-weight: 500; }
.seo-related span { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
.seo-note { margin-top: 28px; padding: 15px 17px; border-inline-start: 3px solid var(--sand-deep); background: var(--surface); color: var(--muted); font-size: 10px; line-height: 1.7; }
.seo-model-index-group { padding: 36px 0 12px; }
.seo-model-index-group:first-of-type { padding-top: 0; }
.seo-model-index-group h2 { margin: 0 0 16px; font-family: var(--font-display); font-size: clamp(32px, 4vw, 50px); line-height: 1; font-weight: 500; }
.seo-model-index-group > p { max-width: 760px; margin: 0 0 24px; color: var(--muted); font-size: 12px; line-height: 1.75; }
[dir="rtl"] .seo-brand, [dir="rtl"] .seo-nav, [dir="rtl"] .seo-category-link, [dir="rtl"] .seo-footer-grid { direction: rtl; }
@media (max-width: 980px) {
  .seo-hero, .seo-product-hero, .seo-contact { grid-template-columns: 1fr; }
  .seo-category-grid, .seo-model-grid, .seo-related { grid-template-columns: repeat(2, 1fr); }
  .seo-app-list { grid-template-columns: 1fr 1fr; }
  .seo-section-head { display: grid; }
}
@media (max-width: 700px) {
  .seo-header-inner { min-height: 68px; align-items: flex-start; padding: 12px 0; flex-wrap: wrap; gap: 12px; }
  .seo-nav { order: 3; width: 100%; justify-content: space-between; gap: 10px; }
  .seo-nav > a { font-size: 10px; }
  .seo-brand-copy small { display: none; }
  .seo-hero { padding-top: 42px; }
  .seo-hero h1, .seo-product-title { font-size: clamp(42px, 14vw, 68px); }
  .seo-category-grid, .seo-model-grid, .seo-related, .seo-app-list { grid-template-columns: 1fr; }
  .seo-category { min-height: 260px; }
  .seo-footer-grid { display: grid; }
  .seo-model-card figure { height: 230px; }
}

/* Catalog index redesign */
.seo-catalog [hidden] { display: none !important; }
.seo-catalog .seo-breadcrumbs { padding-top: 22px; }
.catalog-hero { padding: clamp(34px, 5vw, 58px) 0 clamp(30px, 4vw, 46px); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(28px, 5vw, 72px); align-items: stretch; }
.catalog-hero-copy { display: flex; flex-direction: column; justify-content: flex-end; min-width: 0; }
.catalog-hero h1 { max-width: 820px; margin: 0; font-family: var(--font-display); font-size: clamp(44px, 6.2vw, 76px); line-height: .96; letter-spacing: -.045em; font-weight: 500; text-wrap: balance; }
.catalog-hero p { max-width: 730px; margin: 22px 0 0; color: var(--muted); font-size: clamp(14px, 1.2vw, 16px); line-height: 1.8; }
.catalog-overview { min-width: 0; padding: clamp(22px, 3vw, 30px); border-radius: 20px; color: #fff; background: radial-gradient(circle at 100% 0, rgba(255,255,255,.12), transparent 38%), var(--green-dark); box-shadow: 0 24px 60px rgba(23,69,51,.16); display: grid; gap: 24px; align-content: space-between; }
.catalog-overview-total { display: grid; gap: 3px; }
.catalog-overview-total > span { color: rgba(255,255,255,.68); font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.catalog-overview-total strong { font-family: var(--font-display); font-size: clamp(58px, 6vw, 82px); line-height: .9; font-weight: 500; letter-spacing: -.05em; }
.catalog-overview-total small { color: rgba(255,255,255,.76); font-size: 13px; }
.catalog-overview-list { display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,.18); }
.catalog-overview-row { min-height: 42px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.82); font-size: 12px; }
.catalog-overview-row > span { display: inline-flex; align-items: center; gap: 9px; }
.catalog-overview-row strong { color: #fff; font-family: var(--font-mono); font-size: 13px; }
.catalog-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; display: inline-block; }
.catalog-dot-1 { background: #76b9d1; }
.catalog-dot-2 { background: #d2a56d; }
.catalog-dot-3 { background: #78b58e; }
.catalog-controls { position: sticky; top: 76px; z-index: 18; display: grid; grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr); gap: 24px; align-items: end; padding: 16px 0; margin-bottom: 8px; border-block: 1px solid var(--line); background: rgba(247,247,242,.96); backdrop-filter: blur(18px); }
.catalog-search, .catalog-filter { min-width: 0; }
.catalog-search > label, .catalog-filter-label { display: block; margin-bottom: 8px; color: var(--muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.catalog-search-box { position: relative; }
.catalog-search-icon { position: absolute; inset-inline-start: 16px; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round; pointer-events: none; }
.catalog-search input { width: 100%; min-height: 54px; padding: 0 124px 0 48px; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface); color: var(--ink); font: inherit; font-size: 14px; outline: none; transition: border-color .18s ease, box-shadow .18s ease; }
[dir="rtl"] .catalog-search input { padding: 0 48px 0 124px; }
.catalog-search input::placeholder { color: var(--muted); opacity: 1; }
.catalog-search input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(36,99,76,.12); }
.catalog-search input::-webkit-search-cancel-button { display: none; }
.catalog-search-clear { position: absolute; inset-inline-end: 5px; top: 5px; min-height: 44px; padding: 0 12px; border: 0; border-radius: 8px; background: var(--surface-soft); color: var(--ink-soft); font: inherit; font-size: 10px; font-weight: 700; cursor: pointer; }
.catalog-search-clear:hover { background: var(--green-soft); color: var(--green-dark); }
.catalog-filter { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; align-items: center; }
.catalog-filter-label { grid-column: 1 / -1; }
.catalog-chips { min-width: 0; display: flex; flex-wrap: wrap; gap: 7px; }
.catalog-chip { min-height: 44px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 999px; display: inline-flex; align-items: center; gap: 7px; background: var(--surface); color: var(--ink-soft); font: inherit; font-size: 11px; font-weight: 650; cursor: pointer; transition: border-color .18s ease, background .18s ease, color .18s ease; }
.catalog-chip:hover { border-color: var(--green); color: var(--green-dark); }
.catalog-chip.is-active { border-color: var(--green-dark); background: var(--green-dark); color: #fff; }
.catalog-chip:focus-visible, .catalog-search-clear:focus-visible, .catalog-empty button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.catalog-chip-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; }
.catalog-chip.is-active .catalog-chip-dot { background: #fff; }
.catalog-chip-count { min-width: 20px; padding: 2px 5px; border-radius: 999px; background: rgba(23,32,27,.07); color: inherit; font-family: var(--font-mono); font-size: 8px; line-height: 1.4; text-align: center; }
.catalog-chip.is-active .catalog-chip-count { background: rgba(255,255,255,.16); }
.catalog-result-count { align-self: center; color: var(--muted); font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }
.catalog-groups { padding-top: 12px; }
.catalog-group { padding: clamp(38px, 5vw, 54px) 0 clamp(46px, 6vw, 64px); border-top: 1px solid var(--line); scroll-margin-top: 168px; }
.catalog-group:first-child { border-top: 0; }
.catalog-group-head { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; gap: clamp(16px, 3vw, 30px); align-items: start; margin-bottom: 24px; }
.catalog-group-number { color: var(--line-strong); font-family: var(--font-display); font-size: clamp(42px, 5vw, 58px); font-weight: 500; line-height: .82; letter-spacing: -.04em; }
.catalog-group-heading { max-width: 760px; }
.catalog-group-kicker { color: var(--green); font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.catalog-group-heading h2 { margin: 6px 0 9px; font-family: var(--font-display); font-size: clamp(32px, 4vw, 44px); line-height: 1; font-weight: 500; letter-spacing: -.03em; }
.catalog-group-heading p { max-width: 680px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.72; }
.catalog-group-count { padding-top: 9px; color: var(--muted); font-family: var(--font-mono); font-size: 9px; white-space: nowrap; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.catalog-card { position: relative; min-width: 0; border: 1px solid var(--line); border-radius: 16px; display: flex; flex-direction: column; overflow: hidden; background: var(--surface); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.catalog-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: 0 18px 42px rgba(23,32,27,.08); }
.catalog-card:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(36,99,76,.12); }
.catalog-card-media { position: relative; height: 190px; padding: 18px; display: grid; place-items: center; overflow: hidden; background: var(--surface-soft); }
.catalog-card-media.media-eo { background: var(--blue); }
.catalog-card-media.media-piston { background: var(--sand); }
.catalog-card-media.media-turbo { background: var(--green-soft); }
.catalog-card-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform .35s ease; }
.catalog-card:hover .catalog-card-media img { transform: scale(1.035); }
.catalog-card-code { position: absolute; inset-block-start: 13px; inset-inline-start: 13px; z-index: 1; padding: 5px 8px; border: 1px solid rgba(23,32,27,.14); border-radius: 7px; background: rgba(255,255,255,.88); color: var(--ink); font-family: var(--font-mono); font-size: 11px; font-weight: 750; letter-spacing: .03em; backdrop-filter: blur(8px); }
.catalog-card-body { flex: 1; min-width: 0; padding: 16px 17px 15px; display: flex; flex-direction: column; }
.catalog-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-family: var(--font-mono); font-size: 9px; line-height: 1.4; text-transform: uppercase; }
.catalog-card-meta span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.catalog-card-meta span:last-child { flex: 0 0 auto; }
.catalog-card h3 { margin: 10px 0 7px; color: var(--ink); font-family: var(--font-display); font-size: 19px; line-height: 1.12; font-weight: 550; letter-spacing: -.01em; }
.catalog-card-main { color: inherit; text-decoration: none; }
.catalog-card-main::after { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; }
.catalog-card-main:focus-visible { outline: none; }
.catalog-card p { display: -webkit-box; margin: 0; overflow: hidden; color: var(--muted); font-size: 12px; line-height: 1.62; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.catalog-card-specs { margin: 15px 0 0; padding-top: 13px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.catalog-card-specs div { min-width: 0; }
.catalog-card-specs dt { margin: 0 0 2px; overflow: hidden; color: var(--muted); font-family: var(--font-mono); font-size: 9px; line-height: 1.35; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.catalog-card-specs dd { margin: 0; color: var(--ink-soft); font-size: 12px; font-weight: 700; line-height: 1.4; }
.catalog-card-link { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--green); font-size: 11px; font-weight: 750; }
.catalog-card-link span:last-child { transition: transform .18s ease; }
.catalog-card:hover .catalog-card-link span:last-child { transform: translateX(3px); }
[dir="rtl"] .catalog-card:hover .catalog-card-link span:last-child { transform: translateX(-3px); }
.catalog-empty { margin: 56px 0 90px; padding: clamp(34px, 6vw, 64px); border: 1px dashed var(--line-strong); border-radius: 20px; background: var(--surface); text-align: center; }
.catalog-empty-mark { display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto 16px; border: 1px solid var(--line); border-radius: 50%; color: var(--green); font-family: var(--font-display); font-size: 30px; }
.catalog-empty h2 { margin: 0; font-family: var(--font-display); font-size: clamp(28px, 4vw, 40px); font-weight: 500; }
.catalog-empty p { margin: 10px auto 22px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.catalog-empty button { min-height: 44px; padding: 0 16px; border: 1px solid var(--ink); border-radius: 9px; background: var(--ink); color: #fff; font: inherit; font-size: 10px; font-weight: 700; cursor: pointer; }
.catalog-empty button:hover { background: var(--green); border-color: var(--green); }
@media (max-width: 1180px) {
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .catalog-hero { grid-template-columns: 1fr; }
  .catalog-overview { grid-template-columns: minmax(150px, .65fr) minmax(0, 1.35fr); align-items: end; }
  .catalog-controls { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 820px) {
  .catalog-controls { position: static; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-group-head { grid-template-columns: 46px minmax(0, 1fr); }
  .catalog-group-count { grid-column: 2; padding-top: 0; }
}
@media (max-width: 620px) {
  .catalog-hero { padding-top: 30px; }
  .catalog-hero h1 { font-size: clamp(40px, 12.8vw, 58px); }
  .catalog-overview { grid-template-columns: 1fr; gap: 18px; }
  .catalog-controls { margin-inline: calc(var(--pad) * -.25); padding-inline: calc(var(--pad) * .25); }
  .catalog-search input { padding-inline-end: 18px; }
  .catalog-search input:not(:placeholder-shown) { padding-inline-end: 118px; }
  .catalog-filter { grid-template-columns: 1fr; }
  .catalog-filter-label, .catalog-chips, .catalog-result-count { grid-column: 1; }
  .catalog-result-count { justify-self: end; }
  .catalog-chip { flex: 1 1 calc(50% - 7px); justify-content: center; }
  .catalog-grid { grid-template-columns: 1fr; gap: 14px; }
  .catalog-card-media { height: 230px; }
  .catalog-group-head { grid-template-columns: 1fr; gap: 10px; }
  .catalog-group-number { font-size: 36px; }
  .catalog-group-count { grid-column: 1; }
  .catalog-group-heading h2 { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .seo-catalog { scroll-behavior: auto; }
  .catalog-card, .catalog-card-media img, .catalog-card-link span:last-child, .catalog-search input, .catalog-chip { transition: none !important; }
  .catalog-card:hover { transform: none; }
  .catalog-card:hover .catalog-card-media img { transform: none; }
}

/* Catalog list view */
.catalog-list { display: grid; gap: 12px; }
.catalog-row { position: relative; min-width: 0; border: 1px solid var(--line); border-radius: 16px; display: grid; grid-template-columns: 190px minmax(0, 1fr); overflow: hidden; background: var(--surface); transition: border-color .2s ease, box-shadow .2s ease; }
.catalog-row:hover { border-color: var(--line-strong); box-shadow: 0 14px 36px rgba(23,32,27,.07); }
.catalog-row:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(36,99,76,.12); }
.catalog-row-media { position: relative; min-height: 168px; padding: 16px; display: grid; place-items: center; overflow: hidden; background: var(--surface-soft); }
.catalog-row-media.media-eo { background: var(--blue); }
.catalog-row-media.media-piston { background: var(--sand); }
.catalog-row-media.media-turbo { background: var(--green-soft); }
.catalog-row-media img { display: block; width: 100%; height: 142px; object-fit: contain; mix-blend-mode: multiply; }
.catalog-row-main { min-width: 0; padding: 18px 20px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 350px) 132px; gap: 22px; align-items: center; }
.catalog-row-copy { min-width: 0; }
.catalog-row-copy h3 { margin: 9px 0 7px; color: var(--ink); font-family: var(--font-display); font-size: 21px; line-height: 1.14; font-weight: 550; letter-spacing: -.01em; }
.catalog-row-copy p { max-width: 760px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.catalog-row-specs { min-width: 0; margin: 0; padding-inline-start: 20px; border-inline-start: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px 16px; }
.catalog-row-specs div { min-width: 0; }
.catalog-row-specs dt { margin: 0 0 3px; overflow: hidden; color: var(--muted); font-family: var(--font-mono); font-size: 8px; line-height: 1.35; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.catalog-row-specs dd { margin: 0; color: var(--ink-soft); font-size: 12px; font-weight: 700; line-height: 1.4; }
.catalog-row-link { justify-self: end; display: inline-flex; align-items: center; gap: 10px; color: var(--green); font-size: 11px; font-weight: 750; white-space: nowrap; }
.catalog-row-link span:last-child { transition: transform .18s ease; }
.catalog-row:hover .catalog-row-link span:last-child { transform: translateX(3px); }
[dir="rtl"] .catalog-row-link span:last-child { transform: scaleX(-1); }
[dir="rtl"] .catalog-row:hover .catalog-row-link span:last-child { transform: scaleX(-1) translateX(-3px); }
.catalog-row .catalog-card-code { inset-block-start: 11px; inset-inline-start: 12px; }
@media (max-width: 1080px) {
  .catalog-row { grid-template-columns: 160px minmax(0, 1fr); }
  .catalog-row-main { grid-template-columns: minmax(0, 1fr) minmax(220px, 300px) 118px; gap: 16px; }
  .catalog-row-media { min-height: 156px; padding: 14px; }
  .catalog-row-media img { height: 130px; }
}
@media (max-width: 900px) {
  .catalog-row-main { grid-template-columns: minmax(0, 1fr) auto; }
  .catalog-row-copy { grid-column: 1; grid-row: 1; }
  .catalog-row-link { grid-column: 2; grid-row: 1; }
  .catalog-row-specs { grid-column: 1 / -1; grid-row: 2; padding-inline-start: 0; padding-top: 13px; border-inline-start: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 620px) {
  .catalog-row { grid-template-columns: 1fr; }
  .catalog-row-media { min-height: 210px; }
  .catalog-row-media img { height: 172px; }
  .catalog-row-main { grid-template-columns: 1fr; padding: 16px; }
  .catalog-row-link { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 2px; }
  .catalog-row-specs { grid-column: 1; grid-row: auto; }
}

/* Compact catalog rows */
.catalog-row { min-height: 116px; grid-template-columns: 132px minmax(0, 1fr) minmax(250px, 320px) 122px; border-radius: 14px; }
.catalog-row-media { min-height: 116px; padding: 10px 12px; grid-row: 1; }
.catalog-row-media img { height: 88px; max-height: 88px; width: 100%; }
.catalog-row .catalog-card-code { inset-block-start: 7px; inset-inline-start: 8px; padding: 3px 6px; border-radius: 5px; font-size: 9px; }
.catalog-row-copy { min-width: 0; padding: 13px 18px; display: flex; flex-direction: column; justify-content: center; }
.catalog-row-copy h3 { margin: 6px 0 4px; font-size: 18px; line-height: 1.12; }
.catalog-row-copy p { display: -webkit-box; overflow: hidden; font-size: 11px; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.catalog-row-specs { margin: 0; padding: 12px 18px; border-inline-start: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 14px; align-content: center; }
.catalog-row-specs dt { margin-bottom: 2px; font-size: 7px; }
.catalog-row-specs dd { font-size: 11px; }
.catalog-row-link { align-self: center; justify-self: end; padding: 0 14px; white-space: nowrap; }
@media (max-width: 1080px) {
  .catalog-row { grid-template-columns: 118px minmax(0, 1fr) minmax(210px, 270px) 104px; }
  .catalog-row-media { min-height: 108px; padding: 8px 10px; }
  .catalog-row-media img { height: 82px; }
  .catalog-row-copy { padding: 11px 14px; }
  .catalog-row-copy h3 { font-size: 17px; }
  .catalog-row-specs { padding: 10px 14px; }
  .catalog-row-link { padding: 0 10px; }
}
@media (max-width: 900px) {
  .catalog-row { grid-template-columns: 112px minmax(0, 1fr); }
  .catalog-row-media { grid-row: 1 / span 2; min-height: 112px; }
  .catalog-row-media img { height: 80px; }
  .catalog-row-copy { grid-column: 2; grid-row: 1; padding: 11px 14px 7px; }
  .catalog-row-specs { grid-column: 2; grid-row: 2; padding: 8px 14px 12px; border-inline-start: 0; border-top: 1px solid var(--line); }
  .catalog-row-link { display: none; }
}
@media (max-width: 620px) {
  .catalog-row { grid-template-columns: 96px minmax(0, 1fr); }
  .catalog-row-media { min-height: 104px; padding: 8px; }
  .catalog-row-media img { height: 70px; }
  .catalog-row-copy { padding: 10px 12px 6px; }
  .catalog-row-copy h3 { font-size: 16px; }
  .catalog-row-copy p { font-size: 10px; -webkit-line-clamp: 2; }
  .catalog-row-specs { padding: 7px 12px 10px; gap: 7px 10px; }
  .catalog-row-specs dt { font-size: 7px; }
  .catalog-row-specs dd { font-size: 10px; }
}