/* INTERCABLE 中国 — visual system derived from the brand's red / steel / white
   industrial language. No third-party fonts or scripts. */

:root {
  --c-red: #e3051b;
  --c-red-deep: #b00014;
  --c-red-dark: #7d000d;
  --c-red-soft: #fbe9eb;
  --c-ink: #141619;
  --c-ink-2: #1d2024;
  --c-ink-3: #2a2f35;
  --c-steel: #5b636c;
  --c-steel-2: #737b84;
  --c-muted: #6e757d;
  --c-line: #d9d9d6;
  --c-line-strong: #b9bbb9;
  --c-paper: #ffffff;
  --c-warm: #fbfaf7;
  --c-mist: #f3f2ee;
  --c-fog: #e9e8e3;
  --c-graphite: #3d434a;
  --c-ice: #edf1f2;
  --c-white-72: rgba(255, 255, 255, 0.72);
  --c-white-55: rgba(255, 255, 255, 0.55);
  --c-ink-60: rgba(20, 22, 25, 0.6);
  --c-ink-12: rgba(20, 22, 25, 0.12);
  --shadow-sm: 0 8px 24px rgba(20, 22, 25, 0.08);
  --shadow-lg: 0 28px 70px rgba(20, 22, 25, 0.16);
  --font-sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --wrap: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-y: clamp(64px, 7vw, 104px);
  --header-h: 76px;
  --radius: 2px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--c-paper);
}

body {
  margin: 0;
  color: var(--c-ink);
  background: var(--c-paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

::selection { color: var(--c-paper); background: var(--c-red); }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

p, li, dd, dt { text-wrap: pretty; }

p { margin: 0 0 1em; }

a {
  color: inherit;
  text-decoration: none;
}

a:hover { color: var(--c-red); }

img { max-width: 100%; height: auto; }

button, input, textarea, select { font: inherit; }

button { cursor: pointer; }

ul, ol { margin: 0; padding: 0; }

:focus-visible {
  outline: 3px solid var(--c-red);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--c-ink);
  color: var(--c-paper);
}
.skip-link:focus { top: 12px; }

.wrap {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--c-red);
  font-size: 11px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--c-red);
  flex: 0 0 auto;
}
.eyebrow--light { color: var(--c-white-72); }
.eyebrow--light::before { background: var(--c-red); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--c-line-strong);
  padding-bottom: 3px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.arrow-link span { color: var(--c-red); font-size: 16px; transition: transform 0.2s var(--ease); }
.arrow-link:hover { color: var(--c-red); border-color: var(--c-red); }
.arrow-link:hover span { transform: translateX(3px); }
.arrow-link--large { font-size: 15px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-align: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { color: var(--c-paper); background: var(--c-red); border-color: var(--c-red); }
.btn--primary:hover { background: var(--c-red-deep); border-color: var(--c-red-deep); color: var(--c-paper); }
.btn--dark { color: var(--c-paper); background: var(--c-ink); border-color: var(--c-ink); }
.btn--dark:hover { background: var(--c-ink-3); border-color: var(--c-ink-3); color: var(--c-paper); }
.btn--outline { color: var(--c-ink); background: transparent; border-color: var(--c-line-strong); }
.btn--outline:hover { border-color: var(--c-ink); color: var(--c-ink); }
.btn--white { color: var(--c-ink); background: var(--c-paper); border-color: var(--c-paper); }
.btn--white:hover { color: var(--c-red); background: var(--c-paper); }
.btn--ghost-light { color: var(--c-paper); background: transparent; border-color: var(--c-white-55); }
.btn--ghost-light:hover { color: var(--c-ink); background: var(--c-paper); border-color: var(--c-paper); }
.btn--lg { min-height: 52px; padding: 14px 28px; font-size: 15px; }
.btn--header { min-height: 40px; padding: 9px 18px; font-size: 13px; }

/* ── Top bar + header ─────────────────────────────────────── */
.topbar {
  background: var(--c-red);
  color: var(--c-paper);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.05em;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  gap: 20px;
}
.topbar__tag { display: flex; align-items: center; gap: 8px; margin: 0; }
.topbar__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--c-paper); }
.topbar__links { display: flex; gap: 22px; flex: 0 0 auto; }
.topbar__links a:hover { color: var(--c-paper); text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-paper);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow 0.25s var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header__inner {
  display: flex;
  align-items: center;
  min-height: var(--header-h);
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.brand img { width: 158px; height: auto; display: block; }
.brand__cn {
  padding-left: 12px;
  border-left: 1px solid var(--c-line);
  color: var(--c-steel);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  white-space: nowrap;
}
.brand:hover { color: inherit; }
.main-nav {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  margin-left: auto;
}
.main-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: var(--header-h);
  color: var(--c-ink-3);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.main-nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: var(--c-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s var(--ease);
}
.main-nav__link:hover, .main-nav__link.is-active { color: var(--c-red); }
.main-nav__link:hover::after, .main-nav__link.is-active::after { transform: scaleX(1); }
.site-header__actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.icon-link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.icon-link:hover { color: var(--c-red); border-color: var(--c-red); }
.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  padding: 11px 10px;
  background: transparent;
  border: 1px solid var(--c-line);
}
.menu-toggle span { display: block; height: 2px; background: var(--c-ink); margin: 5px 0; transition: transform 0.2s var(--ease), opacity 0.2s var(--ease); }
.site-header.is-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.is-open .menu-toggle span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

/* ── Breadcrumbs ──────────────────────────────────────────── */
.breadcrumbs { margin: 0 0 28px; color: var(--c-muted); font-size: 12px; line-height: 1.5; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 7px; }
.breadcrumbs li + li::before { content: "/"; color: var(--c-line-strong); }
.breadcrumbs a:hover { color: var(--c-red); }
.breadcrumbs [aria-current="page"] { color: var(--c-ink-3); }
.page-head--dark .breadcrumbs,
.catalog-hero .breadcrumbs,
.series-hero .breadcrumbs,
.application-hero .breadcrumbs,
.about-hero .breadcrumbs { color: var(--c-white-55); }
.page-head--dark .breadcrumbs [aria-current="page"],
.catalog-hero .breadcrumbs [aria-current="page"],
.series-hero .breadcrumbs [aria-current="page"],
.application-hero .breadcrumbs [aria-current="page"],
.about-hero .breadcrumbs [aria-current="page"] { color: var(--c-paper); }
.page-head--dark .breadcrumbs li + li::before,
.catalog-hero .breadcrumbs li + li::before,
.series-hero .breadcrumbs li + li::before,
.application-hero .breadcrumbs li + li::before,
.about-hero .breadcrumbs li + li::before { color: var(--c-white-55); }

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: var(--section-y) 0; }
.section--tight { padding: calc(var(--section-y) * 0.66) 0; }
.section--mist { background: var(--c-mist); }
.section--dark { background: var(--c-ink); color: var(--c-paper); }
.section--dark a:hover { color: var(--c-paper); }
.section--downloads { background: var(--c-red); color: var(--c-paper); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18em, 0.75fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: end;
  margin-bottom: clamp(34px, 4vw, 58px);
}
.section-head h2 { max-width: 15em; }
.section-head > p { max-width: 35em; margin: 0 0 4px; color: var(--c-steel); font-size: 15px; line-height: 1.75; }
.section-head--small { margin-bottom: 28px; }
.section-head--light > p { color: var(--c-white-72); }
.section-head--light .eyebrow { color: var(--c-white-72); }
.section-head--light h2 { color: var(--c-paper); }

.section-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}
.section-more--top { margin-top: 0; margin-bottom: 26px; border-top: 0; padding-top: 0; }
.section-more h2 { font-size: clamp(1.5rem, 2.2vw, 2.1rem); }

/* ── Home hero ────────────────────────────────────────────── */
.home-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-paper);
  border-bottom: 6px solid var(--c-red);
}
.home-hero__media {
  position: absolute;
  inset: 0 43% 0 0;
  background-image: linear-gradient(90deg, rgba(8, 10, 12, 0.96) 0%, rgba(8, 10, 12, 0.84) 40%, rgba(8, 10, 12, 0.64) 100%), var(--hero-image);
  background-size: cover;
  background-position: 38% center;
}
.home-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 16px, rgba(255,255,255,0.035) 16px 17px);
  pointer-events: none;
}
.home-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  min-height: 590px;
  align-items: stretch;
}
.home-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 7vw, 92px) clamp(32px, 5vw, 72px) clamp(48px, 6vw, 76px) 0;
}
.home-hero__copy h1 {
  max-width: 11.5em;
  margin: 0 0 24px;
  font-size: clamp(2.5rem, 4.6vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  white-space: pre-line;
}
.home-hero__sub {
  max-width: 36em;
  margin: 0 0 28px;
  color: var(--c-white-72);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.home-hero__note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 30px 0 0;
  color: var(--c-white-55);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.home-hero__note span { display: block; width: 34px; height: 1px; background: var(--c-red); }
.home-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--c-warm) 0%, var(--c-fog) 100%);
  padding: 52px clamp(22px, 3vw, 46px) 38px;
  color: var(--c-ink);
  border-left: 1px solid rgba(255,255,255,0.18);
}
.home-hero__visual::before {
  content: "";
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(20, 22, 25, 0.08);
  pointer-events: none;
}
.home-hero__visual img { position: relative; z-index: 1; width: min(100%, 570px); max-height: 455px; object-fit: contain; filter: drop-shadow(0 18px 20px rgba(20,22,25,0.18)); }
.hero-spec-label {
  position: absolute;
  top: 24px; left: 28px;
  z-index: 2;
  margin: 0;
  color: var(--c-steel);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.hero-visual-link {
  position: absolute;
  left: 28px; right: 28px; bottom: 20px;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line-strong);
  font-size: 12px;
  color: var(--c-steel);
}
.hero-visual-link strong { color: var(--c-ink); font-size: 14px; }
.hero-visual-link > span:last-child { color: var(--c-red); font-size: 20px; transition: transform 0.2s var(--ease); }
.hero-visual-link:hover strong { color: var(--c-red); }
.hero-visual-link:hover > span:last-child { transform: translateX(4px); }
.home-hero__rule {
  position: absolute;
  left: 0; bottom: 0;
  width: 43%;
  height: 6px;
  background: var(--c-red);
  z-index: 2;
}

.stat-strip { background: var(--c-paper); border-bottom: 1px solid var(--c-line); }
.stat-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-strip__item { display: flex; align-items: baseline; gap: 12px; padding: 25px 24px; border-left: 1px solid var(--c-line); }
.stat-strip__item:first-child { border-left: 0; padding-left: 0; }
.stat-strip__item strong { font-size: clamp(1.8rem, 2.6vw, 2.35rem); line-height: 1; letter-spacing: -0.04em; }
.stat-strip__item span { color: var(--c-steel); font-size: 12px; letter-spacing: 0.04em; }

.brand-lede {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
}
.brand-lede__mark {
  margin: 4px 0 0;
  color: var(--c-red);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.6;
  writing-mode: vertical-rl;
}
.brand-lede__text h2 { margin-bottom: 18px; font-size: clamp(2rem, 3.4vw, 3.3rem); }
.brand-lede__text p { max-width: 40em; margin: 0; color: var(--c-steel); font-size: 16px; line-height: 1.8; }

/* ── Home categories ─────────────────────────────────────── */
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.category-card {
  position: relative;
  display: block;
  aspect-ratio: 1.18 / 1;
  overflow: hidden;
  color: var(--c-paper);
  background: var(--c-ink-2);
  isolation: isolate;
}
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.category-card__shade { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(10,12,14,0.1) 15%, rgba(10,12,14,0.88) 100%); }
.category-card__body { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 6px; }
.category-card__index { color: var(--c-red); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; }
.category-card__title { font-size: clamp(1.2rem, 1.6vw, 1.5rem); font-weight: 700; }
.category-card__meta { color: var(--c-white-72); font-size: 11px; }
.category-card__arrow { position: absolute; z-index: 2; right: 18px; top: 16px; color: var(--c-paper); font-size: 22px; transition: transform 0.25s var(--ease); }
.category-card:hover { color: var(--c-paper); }
.category-card:hover img { transform: scale(1.045); }
.category-card:hover .category-card__arrow { transform: translateX(4px); }
.category-card::after { content: ""; position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; height: 4px; background: var(--c-red); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.category-card:hover::after { transform: scaleX(1); }

/* ── Product cards ───────────────────────────────────────── */
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-grid--home { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid--archive { gap: 16px; }
.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  transition: border-color 0.2s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.product-card:hover { border-color: var(--c-line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.product-card__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  padding: 20px;
  background: linear-gradient(145deg, var(--c-warm), var(--c-fog));
  overflow: hidden;
}
.product-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.35s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.025); }
.product-card__count {
  position: absolute;
  right: 10px; top: 10px;
  padding: 4px 8px;
  color: var(--c-paper);
  background: var(--c-ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.product-card__body { display: flex; flex-direction: column; flex: 1; padding: 20px 20px 18px; }
.product-card__series { margin: 0 0 8px; color: var(--c-red); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.product-card__title { margin: 0 0 5px; font-size: 1.18rem; line-height: 1.35; letter-spacing: -0.015em; }
.product-card__title a:hover { color: var(--c-red); }
.product-card__code { margin: 0 0 10px; color: var(--c-steel); font-family: var(--font-mono); font-size: 11px; line-height: 1.5; overflow-wrap: anywhere; }
.product-card__desc {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 17px;
  color: var(--c-steel);
  font-size: 13px;
  line-height: 1.7;
}
.product-card__body .arrow-link { margin-top: auto; align-self: flex-start; }

/* ── Why / applications / downloads / knowledge ─────────── */
.why-grid { display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr); gap: clamp(40px, 7vw, 100px); }
.why-grid__intro { max-width: 28em; }
.why-grid__intro h2 { margin-bottom: 20px; color: var(--c-paper); font-size: clamp(2.2rem, 3.5vw, 3.5rem); }
.why-grid__intro > p { color: var(--c-white-72); }
.why-grid__intro .btn { margin-top: 18px; }
.why-grid__items { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid rgba(255,255,255,0.18); border-left: 1px solid rgba(255,255,255,0.18); }
.why-item { padding: clamp(22px, 3vw, 36px); border-right: 1px solid rgba(255,255,255,0.18); border-bottom: 1px solid rgba(255,255,255,0.18); }
.why-item__no { display: block; margin-bottom: 22px; color: var(--c-red); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; }
.why-item h3 { margin-bottom: 10px; color: var(--c-paper); font-size: 1.1rem; }
.why-item p { margin: 0; color: var(--c-white-72); font-size: 13px; line-height: 1.75; }

.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.app-card { display: flex; flex-direction: column; background: var(--c-paper); border: 1px solid var(--c-line); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); color: inherit; }
.app-card__media { display: block; aspect-ratio: 1.45 / 1; overflow: hidden; background: var(--c-fog); }
.app-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.app-card:hover .app-card__media img { transform: scale(1.03); }
.app-card__body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.app-card__eyebrow { color: var(--c-red); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.app-card__title { margin: 8px 0 10px; font-size: 1.35rem; font-weight: 700; }
.app-card__desc { margin: 0 0 20px; color: var(--c-steel); font-size: 13px; line-height: 1.7; }
.app-card__body .arrow-link { margin-top: auto; align-self: flex-start; }

.downloads-feature { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(40px, 8vw, 100px); align-items: center; }
.downloads-feature__copy h2 { margin-bottom: 18px; color: var(--c-paper); font-size: clamp(2rem, 3.2vw, 3.1rem); }
.downloads-feature__copy > p { max-width: 34em; color: var(--c-white-72); }
.downloads-feature__copy .eyebrow { color: var(--c-paper); }
.downloads-feature__copy .eyebrow::before { background: var(--c-paper); }
.downloads-feature__facts { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 26px 0 30px; color: var(--c-white-72); font-size: 12px; }
.downloads-feature__facts strong { color: var(--c-paper); font-size: 20px; margin-right: 4px; }
.downloads-feature .btn--primary { background: var(--c-paper); border-color: var(--c-paper); color: var(--c-ink); }
.downloads-feature .btn--primary:hover { background: var(--c-ink); border-color: var(--c-ink); color: var(--c-paper); }
.downloads-feature__covers { position: relative; min-height: 430px; }
.cover-tile { position: absolute; margin: 0; width: 245px; background: var(--c-paper); padding: 8px; box-shadow: var(--shadow-lg); }
.cover-tile img { display: block; width: 100%; }
.cover-tile--1 { left: 2%; top: 30px; transform: rotate(-4deg); z-index: 1; }
.cover-tile--2 { left: 31%; top: 6px; transform: rotate(2deg); z-index: 2; }
.cover-tile--3 { left: 59%; top: 54px; transform: rotate(5deg); z-index: 3; }
.downloads-feature__covers::after { content: ""; position: absolute; left: 6%; right: 4%; bottom: 14px; height: 30px; background: rgba(0,0,0,0.18); filter: blur(22px); }

.knowledge-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.knowledge-card { position: relative; display: flex; flex-direction: column; min-height: 240px; padding: 30px; background: var(--c-paper); border: 1px solid var(--c-line); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.knowledge-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); color: inherit; }
.knowledge-card__index { position: absolute; right: 24px; top: 20px; color: var(--c-line-strong); font-family: var(--font-mono); font-size: 12px; }
.knowledge-card__eyebrow { margin-bottom: 12px; color: var(--c-red); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.knowledge-card h3 { max-width: 22em; margin-bottom: 12px; font-size: 1.4rem; line-height: 1.35; }
.knowledge-card p { max-width: 34em; margin: 0 0 20px; color: var(--c-steel); font-size: 13px; }
.knowledge-card .arrow-link { margin-top: auto; align-self: flex-start; }
.knowledge-card--all { background: var(--c-ink); color: var(--c-paper); border-color: var(--c-ink); }
.knowledge-card--all h3 { color: var(--c-paper); }
.knowledge-card--all .knowledge-card__eyebrow { color: var(--c-white-72); }
.knowledge-card--all .arrow-link { color: var(--c-paper); border-color: var(--c-white-55); }
.knowledge-card--all .arrow-link span { color: var(--c-red); }

/* ── CTA band ────────────────────────────────────────────── */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--c-red);
  color: var(--c-paper);
  padding: clamp(50px, 6vw, 76px) 0;
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 24px, rgba(255,255,255,0.055) 24px 25px);
  pointer-events: none;
}
.cta-band__inner { position: relative; z-index: 1; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.cta-band__copy { max-width: 38em; }
.cta-band .eyebrow { color: var(--c-paper); }
.cta-band .eyebrow::before { background: var(--c-paper); }
.cta-band h2 { margin-bottom: 12px; color: var(--c-paper); font-size: clamp(2rem, 3.2vw, 3.2rem); }
.cta-band p { margin: 0; color: var(--c-white-72); }
.cta-band__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; flex: 0 0 auto; }
.cta-band__alt { color: var(--c-white-72); font-size: 13px; border-bottom: 1px solid var(--c-white-55); padding-bottom: 2px; }
.cta-band__alt:hover { color: var(--c-paper); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer { background: var(--c-ink); color: var(--c-paper); border-top: 5px solid var(--c-red); padding: 58px 0 0; }
.site-footer__main { display: grid; grid-template-columns: 1.25fr 0.7fr 0.7fr 0.9fr; gap: 36px; padding-bottom: 42px; }
.site-footer__brand img { width: 150px; height: auto; margin-bottom: 22px; }
.site-footer__statement { max-width: 26em; color: var(--c-white-72); font-size: 13px; line-height: 1.75; }
.site-footer__operator { color: var(--c-white-55); font-size: 11px; letter-spacing: 0.04em; }
.site-footer__col { display: flex; flex-direction: column; gap: 8px; }
.site-footer__col h2 { margin: 0 0 10px; color: var(--c-paper); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.site-footer__col a, .site-footer__col p { margin: 0; color: var(--c-white-72); font-size: 12px; line-height: 1.6; }
.site-footer__col a:hover { color: var(--c-paper); text-decoration: underline; }
.site-footer__contact p { margin: 0; }
.site-footer__bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,0.15); }
.site-footer__bottom p { margin: 0; color: var(--c-white-55); font-size: 10px; line-height: 1.6; }
.site-footer__legal { display: flex; gap: 18px; }
.site-footer__legal a:hover { color: var(--c-paper); }
.site-footer__source { max-width: 28em; text-align: right; }

/* ── Page heads ──────────────────────────────────────────── */
.page-head { background: var(--c-warm); border-bottom: 1px solid var(--c-line); padding: 30px 0 clamp(40px, 5vw, 62px); }
.page-head__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18em, 0.7fr); gap: clamp(30px, 7vw, 100px); align-items: end; }
.page-head h1 { font-size: clamp(2.15rem, 4.2vw, 4.1rem); line-height: 1.04; }
.page-head__aside > p { max-width: 35em; margin: 0 0 18px; color: var(--c-steel); font-size: 15px; line-height: 1.8; }
.page-head__stats { display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--c-steel); font-size: 11px; }
.page-head__stats strong { margin-right: 4px; color: var(--c-ink); font-size: 18px; }
.page-head--archive { background: var(--c-paper); }
.page-head--dark { background: var(--c-ink); color: var(--c-paper); border-bottom-color: var(--c-ink); }
.page-head--dark h1 { color: var(--c-paper); }
.page-head--dark .page-head__aside > p { color: var(--c-white-72); }
.page-head--dark .page-head__stats { color: var(--c-white-72); }
.page-head--dark .page-head__stats strong { color: var(--c-paper); }
.page-head--contact { background: var(--c-warm); }
.page-head--search { padding-bottom: 46px; }
.page-head--search h1 { max-width: 16em; }
.page-head--legal h1 { margin-bottom: 18px; }
.legal-intro { max-width: 52em; color: var(--c-steel); font-size: 16px; line-height: 1.8; }
.legal-updated { margin: 18px 0 0; color: var(--c-muted); font-size: 12px; }
.contact-response { padding-left: 14px; border-left: 2px solid var(--c-red); color: var(--c-ink-3) !important; font-size: 13px !important; }

/* ── Filters ─────────────────────────────────────────────── */
.filter-bar {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(14em, 0.55fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 2px solid var(--c-ink);
  border-bottom: 1px solid var(--c-line);
}
.filter-search label, .filter-select label { display: block; margin-bottom: 7px; color: var(--c-steel); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.filter-search__input { position: relative; }
.filter-search__input svg { position: absolute; left: 15px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); fill: none; stroke: var(--c-steel); stroke-width: 1.7; }
.filter-search input, .filter-select select {
  width: 100%;
  height: 50px;
  padding: 0 14px;
  background: var(--c-warm);
  border: 1px solid var(--c-line);
  border-radius: 0;
  color: var(--c-ink);
  font-size: 15px;
}
.filter-search input { padding-left: 44px; }
.filter-select select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--c-ink) 50%), linear-gradient(135deg, var(--c-ink) 50%, transparent 50%); background-position: calc(100% - 18px) 22px, calc(100% - 13px) 22px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.filter-search input:focus, .filter-select select:focus { outline: none; border-color: var(--c-red); background-color: var(--c-paper); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 0 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 13px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  color: var(--c-ink-3);
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s var(--ease);
}
.chip span { color: var(--c-muted); font-size: 10px; font-family: var(--font-mono); }
.chip:hover { border-color: var(--c-ink); }
.chip.is-active { color: var(--c-paper); background: var(--c-ink); border-color: var(--c-ink); }
.chip.is-active span { color: var(--c-white-55); }
.filter-summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 6px 0 26px; color: var(--c-steel); font-size: 12px; }
.filter-summary p { margin: 0; }
.text-button { padding: 0; color: var(--c-red); background: transparent; border: 0; border-bottom: 1px solid var(--c-red); font-size: 12px; }
.text-button:hover { color: var(--c-red-deep); }
.empty-state { padding: 60px 0; text-align: center; }
.empty-state h2 { margin-bottom: 10px; }
.empty-state p { color: var(--c-steel); }
.empty-state a { color: var(--c-red); text-decoration: underline; }
.product-card.is-hidden { display: none; }

/* ── Catalog hero (category) ─────────────────────────────── */
.catalog-hero {
  position: relative;
  background-color: var(--c-ink);
  background-image: linear-gradient(90deg, rgba(10,12,14,0.94) 0%, rgba(10,12,14,0.72) 52%, rgba(10,12,14,0.45) 100%), var(--catalog-image);
  background-size: cover;
  background-position: center;
  color: var(--c-paper);
  padding: 30px 0 clamp(46px, 6vw, 76px);
  border-bottom: 5px solid var(--c-red);
}
.catalog-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.catalog-hero__copy h1 { margin-bottom: 20px; color: var(--c-paper); font-size: clamp(2.7rem, 5vw, 5rem); }
.catalog-hero__copy > p { max-width: 36em; color: var(--c-white-72); font-size: 15px; line-height: 1.8; }
.catalog-hero__stats { display: flex; gap: 30px; padding: 18px 0; }
.catalog-hero__stats div { display: flex; flex-direction: column; gap: 3px; }
.catalog-hero__stats strong { color: var(--c-paper); font-size: clamp(1.7rem, 2.6vw, 2.4rem); line-height: 1; }
.catalog-hero__stats span { color: var(--c-white-55); font-size: 10px; letter-spacing: 0.07em; }

/* ── Series cards + pages ───────────────────────────────── */
.series-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.series-card {
  position: relative;
  display: grid;
  grid-template-columns: 42% 1fr auto;
  min-height: 140px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.series-card:hover { border-color: var(--c-line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); color: inherit; }
.series-card__media { display: flex; align-items: center; justify-content: center; padding: 14px; background: var(--c-warm); overflow: hidden; }
.series-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.35s var(--ease); }
.series-card:hover .series-card__media img { transform: scale(1.03); }
.series-card__body { display: flex; flex-direction: column; justify-content: center; padding: 18px 12px 18px 18px; min-width: 0; }
.series-card__kicker { margin-bottom: 6px; color: var(--c-red); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.series-card__title { font-size: 1.05rem; font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; }
.series-card__meta { margin-top: 7px; color: var(--c-steel); font-size: 10px; line-height: 1.5; }
.series-card__arrow { align-self: center; padding-right: 14px; color: var(--c-red); font-size: 18px; }
.series-card--group .series-card__media--pattern { background: var(--c-ink); color: var(--c-paper); }
.series-card__media--pattern { position: relative; }
.series-card__media--pattern::before { content: ""; position: absolute; inset: 0; background-image: repeating-linear-gradient(135deg, transparent 0 15px, rgba(255,255,255,0.08) 15px 16px); }
.series-card__media--pattern span { position: relative; z-index: 1; font-size: 12px; font-weight: 700; letter-spacing: 0.2em; writing-mode: vertical-rl; }

.series-hero {
  position: relative;
  background-color: var(--c-ink);
  background-image: linear-gradient(90deg, rgba(10,12,14,0.94) 0%, rgba(10,12,14,0.76) 48%, rgba(10,12,14,0.5) 100%), var(--series-bg);
  background-size: cover;
  background-position: center;
  color: var(--c-paper);
  padding: 30px 0 clamp(42px, 5vw, 66px);
  border-bottom: 5px solid var(--c-red);
}
.series-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.48fr); gap: 46px; align-items: center; }
.series-hero__copy h1 { margin-bottom: 20px; color: var(--c-paper); font-size: clamp(2.3rem, 4vw, 4rem); }
.series-hero__copy > p { max-width: 40em; color: var(--c-white-72); font-size: 15px; line-height: 1.8; }
.series-hero__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 24px; color: var(--c-white-55); font-size: 11px; }
.series-hero__meta a { color: var(--c-paper); border-bottom: 1px solid var(--c-white-55); }
.series-hero__meta a:hover { color: var(--c-paper); border-color: var(--c-paper); }
.series-hero__image { display: flex; align-items: center; justify-content: center; min-height: 270px; padding: 22px; background: var(--c-paper); box-shadow: var(--shadow-lg); }
.series-hero__image img { max-height: 280px; object-fit: contain; }
.series-hero--group { background-image: linear-gradient(100deg, rgba(10,12,14,0.98), rgba(10,12,14,0.7)), var(--series-bg); }
.series-hero--group .series-hero__grid { grid-template-columns: 1fr; }

.listing-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 32px; padding-bottom: 22px; border-bottom: 2px solid var(--c-ink); }
.listing-head h2 { font-size: clamp(1.8rem, 2.7vw, 2.6rem); }
.listing-note { max-width: 33em; }
.listing-note p { margin: 0; color: var(--c-steel); font-size: 13px; line-height: 1.75; }
.sibling-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.sibling-links a { display: flex; flex-direction: column; gap: 6px; padding: 20px; background: var(--c-paper); transition: background 0.2s var(--ease); }
.sibling-links a:hover { background: var(--c-warm); }
.sibling-links span { font-weight: 700; font-size: 14px; }
.sibling-links small { color: var(--c-steel); font-size: 11px; }

/* ── Product detail ─────────────────────────────────────── */
.product-hero { background: var(--c-warm); border-bottom: 1px solid var(--c-line); padding: 30px 0 clamp(42px, 5vw, 64px); }
.product-hero__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(36px, 6vw, 80px); align-items: start; }
.product-gallery__frame { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 1.08 / 1; padding: clamp(22px, 4vw, 44px); background: var(--c-paper); border: 1px solid var(--c-line); }
.product-gallery__frame::after { content: ""; position: absolute; left: 0; top: 0; width: 54px; height: 4px; background: var(--c-red); }
.product-gallery__frame img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__tag { position: absolute; left: 20px; top: 18px; color: var(--c-steel); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; }
.product-gallery__source { margin: 10px 0 0; color: var(--c-muted); font-size: 10px; }
.product-gallery__source a { text-decoration: underline; text-underline-offset: 2px; }
.product-intro h1 { max-width: 13em; margin: 0 0 18px; font-size: clamp(2.2rem, 3.8vw, 3.85rem); line-height: 1.06; overflow-wrap: anywhere; }
.product-intro__tagline { max-width: 38em; margin: 0 0 26px; color: var(--c-steel); font-size: 16px; line-height: 1.8; }
.model-block { padding: 20px 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.model-block__label { margin: 0 0 10px; color: var(--c-steel); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.model-chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.model-chips li { padding: 5px 9px; background: var(--c-paper); border: 1px solid var(--c-line-strong); font-family: var(--font-mono); font-size: 11px; line-height: 1.4; }
.model-chips li.is-more { color: var(--c-steel); background: transparent; border-style: dashed; }
.model-empty { margin: 0; color: var(--c-red-deep); font-size: 12px; }
.product-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 26px; margin: 22px 0; }
.product-facts div { min-width: 0; }
.product-facts dt { margin-bottom: 3px; color: var(--c-steel); font-size: 10px; letter-spacing: 0.04em; }
.product-facts dd { margin: 0; font-size: 13px; font-weight: 700; overflow-wrap: anywhere; }
.product-facts dd a { color: var(--c-red); }
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 20px; }
.source-note { margin: 0; color: var(--c-muted); font-size: 10px; line-height: 1.6; }
.source-note a { text-decoration: underline; text-underline-offset: 2px; }

.product-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 300px); gap: clamp(30px, 5vw, 70px); align-items: start; }
.product-body > *, .product-body__main, .variant-block { min-width: 0; }
.product-section { margin-bottom: 58px; scroll-margin-top: calc(var(--header-h) + 20px); }
.minor-head { margin-bottom: 24px; padding-bottom: 15px; border-bottom: 2px solid var(--c-ink); }
.minor-head h2 { font-size: clamp(1.55rem, 2.3vw, 2.2rem); }
.minor-head > p:not(.eyebrow) { max-width: 44em; margin: 12px 0 0; color: var(--c-steel); font-size: 13px; line-height: 1.75; }
.prose { max-width: 48em; }
.prose p { margin: 0 0 1.2em; font-size: 15px; line-height: 1.9; }
.prose--product p { font-size: 15px; }
.prose p:last-child { margin-bottom: 0; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--c-line); border-left: 1px solid var(--c-line); }
.spec-cell { display: flex; flex-direction: column; gap: 4px; min-width: 0; padding: 14px 16px; border-right: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); background: var(--c-paper); }
.spec-cell__label { color: var(--c-steel); font-size: 10px; line-height: 1.5; letter-spacing: 0.02em; }
.spec-cell__value { font-size: 14px; font-weight: 700; line-height: 1.45; overflow-wrap: anywhere; }
.spec-cell__value.is-bool { color: var(--c-ink); }
.spec-cell__value.is-bool::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; background: var(--c-red); vertical-align: 1px; }
.variant-block { margin-top: 40px; }
.variant-block__head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 12px; }
.variant-block__head h3 { font-size: 1.1rem; }
.variant-block__head span { color: var(--c-muted); font-size: 10px; }
.table-wrap { width: 100%; max-width: 100%; min-width: 0; overflow: visible; }
.data-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--c-ink); font-size: 12px; line-height: 1.55; }
.data-table thead th {
  position: sticky;
  top: calc(var(--header-h) + 1px);
  z-index: 4;
  padding: 10px 9px;
  background: var(--c-fog);
  border-bottom: 1px solid var(--c-line-strong);
  border-right: 1px solid var(--c-line);
  color: var(--c-ink-3);
  font-size: 10px;
  font-weight: 700;
  text-align: left;
  vertical-align: bottom;
  text-wrap: balance;
}
.data-table thead th:last-child, .data-table tbody td:last-child { border-right: 0; }
.data-table tbody td { padding: 10px 9px; border-bottom: 1px solid var(--c-line); border-right: 1px solid var(--c-line); vertical-align: top; overflow-wrap: anywhere; }
.data-table tbody tr:nth-child(even) td { background: var(--c-warm); }
.data-table tbody td.is-key { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--c-ink); white-space: nowrap; }
.bool-value { display: inline-block; min-width: 1.6em; }
.table-note { margin: 10px 0 0; color: var(--c-muted); font-size: 10px; line-height: 1.65; }
.notice { margin: 20px 0; padding: 17px 19px; background: var(--c-warm); border-left: 3px solid var(--c-red); color: var(--c-ink-3); font-size: 13px; line-height: 1.75; }
.source-panel { padding: 22px; background: var(--c-mist); border: 1px solid var(--c-line); }
.source-panel p { margin: 0 0 14px; color: var(--c-steel); font-size: 13px; line-height: 1.8; }
.product-aside { min-width: 0; }
.aside-sticky { position: sticky; top: calc(var(--header-h) + 20px); }
.aside-card { padding: 24px; background: var(--c-white); border: 1px solid var(--c-line); color: var(--c-ink); }
.aside-card + .aside-card { margin-top: 14px; }
.aside-card h2 { margin-bottom: 12px; font-size: 1.5rem; }
.aside-card > p { color: var(--c-steel); font-size: 12px; line-height: 1.75; }
.aside-card .btn { width: 100%; }
.aside-card--plain { background: var(--c-warm); }
.aside-card--red { background: var(--c-red); color: var(--c-paper); border-color: var(--c-red); }
.aside-card--red .eyebrow { color: var(--c-paper); }
.aside-card--red .eyebrow::before { background: var(--c-paper); }
.aside-card--red h2 { color: var(--c-paper); }
.aside-card--red p { color: var(--c-white-72); }
.aside-card--red .btn { color: var(--c-ink); background: var(--c-paper); border-color: var(--c-paper); }
.aside-contact { display: block; margin-top: 9px; font-size: 11px; color: var(--c-steel); overflow-wrap: anywhere; }
.aside-links { display: flex; flex-direction: column; margin-top: 14px; border-top: 1px solid var(--c-line); }
.aside-links a { padding: 9px 0; border-bottom: 1px solid var(--c-line); color: var(--c-steel); font-size: 11px; }
.aside-links a:hover { color: var(--c-red); }

/* ── Inquiry forms ──────────────────────────────────────── */
.inquiry-panel { display: grid; grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr); gap: clamp(30px, 6vw, 80px); padding: clamp(28px, 4vw, 48px); background: var(--c-mist); border: 1px solid var(--c-line); }
.inquiry-panel__copy h2 { margin-bottom: 12px; font-size: clamp(1.65rem, 2.5vw, 2.35rem); }
.inquiry-panel__copy > p { max-width: 30em; color: var(--c-steel); font-size: 13px; }
.inquiry-panel__contact { display: flex; flex-direction: column; gap: 4px; margin-top: 22px; color: var(--c-ink-3); font-size: 12px; font-weight: 700; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--c-ink-3); font-size: 11px; font-weight: 700; }
.field label span { color: var(--c-red); }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  background: var(--c-paper);
  border: 1px solid var(--c-line-strong);
  border-radius: 0;
  color: var(--c-ink);
  font-size: 14px;
  line-height: 1.6;
}
.field textarea { resize: vertical; min-height: 100px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--c-red); box-shadow: 0 0 0 2px var(--c-red-soft); }
.field input::placeholder, .field textarea::placeholder { color: var(--c-muted); opacity: 0.8; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.enquiry-form__foot { display: flex; align-items: center; gap: 18px; margin-top: 18px; flex-wrap: wrap; }
.enquiry-form__note { max-width: 30em; margin: 0; color: var(--c-muted); font-size: 10px; line-height: 1.6; }
.form-status { min-height: 1.4em; margin: 12px 0 0; font-size: 12px; }
.form-status.is-error { color: var(--c-red-deep); }
.form-status.is-success { color: var(--c-ink); }
.form-status.is-pending { color: var(--c-steel); }
.enquiry-form button[disabled] { opacity: 0.65; cursor: wait; }

/* ── Applications ───────────────────────────────────────── */
.application-list { border-top: 2px solid var(--c-ink); }
.application-row {
  display: grid;
  grid-template-columns: 44px minmax(180px, 260px) minmax(0, 1fr) 38px;
  gap: 22px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background 0.2s var(--ease);
}
.application-row:hover { background: var(--c-warm); color: inherit; }
.application-row__index { align-self: start; color: var(--c-red); font-family: var(--font-mono); font-size: 11px; padding-top: 4px; }
.application-row__media { display: block; aspect-ratio: 1.5 / 1; overflow: hidden; background: var(--c-fog); }
.application-row__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.application-row:hover .application-row__media img { transform: scale(1.03); }
.application-row__copy { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.application-row__copy .eyebrow { margin: 0; font-size: 9px; }
.application-row__title { font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 700; }
.application-row__summary { max-width: 44em; color: var(--c-steel); font-size: 13px; line-height: 1.7; }
.application-row__arrow { color: var(--c-red); font-size: 22px; }
.application-row:hover .application-row__arrow { transform: translateX(3px); }

.application-hero {
  background-color: var(--c-ink);
  background-image: linear-gradient(90deg, rgba(10,12,14,0.95), rgba(10,12,14,0.6)), var(--app-image);
  background-size: cover;
  background-position: center;
  color: var(--c-paper);
  padding: 30px 0 clamp(50px, 7vw, 92px);
  border-bottom: 5px solid var(--c-red);
}
.application-hero__copy { max-width: 47em; }
.application-hero__copy h1 { margin-bottom: 18px; color: var(--c-paper); font-size: clamp(2.7rem, 5vw, 5rem); }
.application-hero__copy > p { max-width: 42em; color: var(--c-white-72); font-size: 16px; line-height: 1.8; }
.source-link { display: inline-flex; margin-top: 14px; color: var(--c-ink); font-size: 11px; border-bottom: 1px solid var(--c-line-strong); }
.source-link--light { color: var(--c-paper); border-color: var(--c-white-55); }
.source-link--light:hover { color: var(--c-paper); }
.application-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 320px); gap: clamp(32px, 6vw, 80px); align-items: start; }
.application-main { min-width: 0; }
.application-section { margin-bottom: 42px; }
.application-section h2 { margin-bottom: 16px; font-size: clamp(1.5rem, 2.2vw, 2rem); }
.application-section p { max-width: 46em; color: var(--c-ink-3); font-size: 15px; line-height: 1.9; }
.notice--strong { border-left-width: 4px; background: var(--c-red-soft); color: var(--c-ink-2); }
.application-aside { display: flex; flex-direction: column; gap: 14px; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin: 0; }
.check-list li { position: relative; padding-left: 22px; color: var(--c-ink-3); font-size: 13px; line-height: 1.75; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px; background: var(--c-red); }
.check-list--light li { color: var(--c-white-72); }
.check-list--light li::before { background: var(--c-red); }
.category-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.category-links a { display: flex; flex-direction: column; gap: 5px; padding: 20px; background: var(--c-paper); transition: background 0.2s var(--ease); }
.category-links a:hover { background: var(--c-warm); color: inherit; }
.category-links span { font-size: 14px; font-weight: 700; }
.category-links small { color: var(--c-steel); font-size: 11px; }
.category-links--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ── Downloads ─────────────────────────────────────────── */
.lang-notice { display: flex; gap: 18px; align-items: flex-start; padding: 20px 22px; background: var(--c-warm); border: 1px solid var(--c-line); border-left: 3px solid var(--c-red); }
.lang-notice__badge { flex: 0 0 auto; padding: 3px 8px; background: var(--c-ink); color: var(--c-paper); font-size: 10px; font-weight: 700; letter-spacing: 0.04em; }
.lang-notice p { margin: 0; color: var(--c-steel); font-size: 12px; line-height: 1.75; }
.anchor-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.anchor-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--c-line); background: var(--c-paper); color: var(--c-ink-3); font-size: 12px; font-weight: 600; }
.anchor-nav a:hover { border-color: var(--c-ink); color: var(--c-ink); }
.anchor-nav span { color: var(--c-muted); font-family: var(--font-mono); font-size: 10px; }
.download-section { padding-top: 36px; padding-bottom: 36px; border-bottom: 1px solid var(--c-line); }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.download-card { display: flex; flex-direction: column; background: var(--c-paper); border: 1px solid var(--c-line); }
.download-card__cover { position: relative; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; padding: 18px; background: var(--c-fog); overflow: hidden; }
.download-card__cover img { max-height: 100%; width: auto; object-fit: contain; box-shadow: 0 8px 18px rgba(20,22,25,0.15); }
.download-card__placeholder { display: flex; align-items: center; justify-content: center; width: 54%; aspect-ratio: 3 / 4; background: var(--c-paper); color: var(--c-steel); font-family: var(--font-mono); font-size: 16px; box-shadow: 0 8px 18px rgba(20,22,25,0.15); }
.lang-chip { position: absolute; top: 10px; right: 10px; padding: 3px 7px; background: var(--c-ink); color: var(--c-paper); font-size: 9px; font-weight: 700; }
.download-card__body { display: flex; flex-direction: column; flex: 1; padding: 18px; }
.download-card__section { margin: 0 0 5px; color: var(--c-red); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.download-card h3 { margin-bottom: 8px; font-size: 1.02rem; line-height: 1.4; }
.download-card__meta { margin: 0 0 7px; color: var(--c-steel); font-size: 11px; }
.download-card__source { margin: 0 0 15px; color: var(--c-muted); font-size: 10px; line-height: 1.5; }
.download-card__body .arrow-link { margin-top: auto; align-self: flex-start; }
.download-card__unavailable { color: var(--c-red-deep); font-size: 10px; line-height: 1.5; }
.download-card.is-disabled { opacity: 0.7; }
.download-foot { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; }
.download-foot h2 { margin-bottom: 12px; font-size: 1.6rem; }
.download-foot p { max-width: 42em; color: var(--c-steel); font-size: 13px; line-height: 1.8; }
.download-foot__note { padding-left: 22px; border-left: 3px solid var(--c-red); }

/* ── Knowledge / FAQ / article ─────────────────────────── */
.knowledge-list { border-top: 2px solid var(--c-ink); }
.knowledge-row { display: grid; grid-template-columns: 44px 110px minmax(0, 1.2fr) minmax(0, 0.9fr) 32px; gap: 20px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--c-line); transition: background 0.2s var(--ease); }
.knowledge-row:hover { background: var(--c-warm); color: inherit; }
.knowledge-row__index { color: var(--c-red); font-family: var(--font-mono); font-size: 11px; align-self: start; padding-top: 5px; }
.knowledge-row__eyebrow { color: var(--c-red); font-size: 10px; font-weight: 700; letter-spacing: 0.05em; }
.knowledge-row__title { font-size: clamp(1.15rem, 1.7vw, 1.45rem); font-weight: 700; line-height: 1.4; }
.knowledge-row__summary { color: var(--c-steel); font-size: 12px; line-height: 1.7; }
.knowledge-row__arrow { color: var(--c-red); font-size: 20px; }

.faq-layout { display: grid; grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr); gap: clamp(32px, 7vw, 90px); align-items: start; }
.faq-layout__head { position: sticky; top: calc(var(--header-h) + 24px); max-width: 24em; }
.faq-layout__head h2 { margin-bottom: 16px; font-size: clamp(2rem, 3vw, 2.8rem); }
.faq-layout__head p { color: var(--c-steel); font-size: 14px; }
.faq-layout__head .btn { margin-top: 10px; }
.faq-list { border-top: 2px solid var(--c-ink); }
.faq-item { border-bottom: 1px solid var(--c-line); }
.faq-item summary { position: relative; padding: 18px 42px 18px 0; list-style: none; cursor: pointer; font-size: 14px; font-weight: 700; line-height: 1.5; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 16px; color: var(--c-red); font-size: 20px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { padding: 0 40px 20px 0; }
.faq-item__answer p { margin: 0; color: var(--c-steel); font-size: 13px; line-height: 1.8; }

.article-hero { background: var(--c-warm); border-bottom: 1px solid var(--c-line); padding: 30px 0 50px; }
.article-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 50px; align-items: end; }
.article-hero h1 { max-width: 16em; margin-bottom: 18px; font-size: clamp(2.2rem, 4vw, 3.7rem); }
.article-hero__summary { max-width: 44em; color: var(--c-steel); font-size: 16px; line-height: 1.8; }
.article-hero__meta { display: flex; flex-direction: column; gap: 8px; padding-left: 18px; border-left: 2px solid var(--c-red); color: var(--c-steel); font-size: 10px; line-height: 1.6; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 300px); gap: clamp(34px, 6vw, 80px); align-items: start; }
.article-body { max-width: 48em; }
.article-section { margin-bottom: 38px; }
.article-section h2 { margin-bottom: 14px; font-size: clamp(1.45rem, 2.1vw, 1.85rem); }
.article-section p { margin: 0 0 1em; font-size: 15px; line-height: 1.95; color: var(--c-ink-3); }
.article-section--check { padding: 26px; background: var(--c-mist); border-left: 3px solid var(--c-red); }
.article-section--check .check-list { margin-top: 16px; }
.article-aside { display: flex; flex-direction: column; gap: 14px; }
.plain-links { display: flex; flex-direction: column; }
.plain-links a { display: flex; flex-direction: column; gap: 3px; padding: 11px 0; border-bottom: 1px solid var(--c-line); font-size: 13px; font-weight: 700; line-height: 1.4; }
.plain-links a:last-child { border-bottom: 0; }
.plain-links a:hover { color: var(--c-red); }
.plain-links small { color: var(--c-steel); font-size: 10px; font-weight: 400; }
.source-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.source-links a { color: var(--c-red); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }

/* ── Selector ──────────────────────────────────────────── */
.task-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.task-card { display: flex; flex-direction: column; min-height: 210px; padding: 26px; background: var(--c-paper); border: 1px solid var(--c-line); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.2s var(--ease); }
.task-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--c-line-strong); color: inherit; }
.task-card__index { color: var(--c-red); font-family: var(--font-mono); font-size: 11px; }
.task-card__title { margin-top: 16px; font-size: 1.3rem; font-weight: 700; }
.task-card__desc { margin-top: 10px; color: var(--c-steel); font-size: 13px; line-height: 1.7; }
.task-card__link { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 18px; color: var(--c-ink); font-size: 11px; font-weight: 700; border-top: 1px solid var(--c-line); }
.task-card__link span { color: var(--c-red); font-size: 16px; }
.task-card:hover .task-card__link span { transform: translateX(3px); }
.step-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid rgba(255,255,255,0.18); border-left: 1px solid rgba(255,255,255,0.18); }
.step-card { padding: 28px 22px; border-right: 1px solid rgba(255,255,255,0.18); border-bottom: 1px solid rgba(255,255,255,0.18); }
.step-card > span { color: var(--c-red); font-family: var(--font-mono); font-size: 11px; }
.step-card h3 { margin: 30px 0 10px; color: var(--c-paper); font-size: 1.1rem; }
.step-card p { margin: 0; color: var(--c-white-72); font-size: 12px; line-height: 1.75; }
.task-series-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 34px; }
.task-series { display: flex; flex-direction: column; border-top: 2px solid var(--c-ink); }
.task-series h3 { margin: 14px 0 8px; font-size: 1.15rem; }
.task-series a { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--c-line); font-size: 12px; }
.task-series a small { flex: 0 0 auto; color: var(--c-muted); font-size: 10px; }
.task-series a:hover { color: var(--c-red); }
.selector-help { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.selector-help h2 { margin-bottom: 10px; font-size: clamp(1.7rem, 2.7vw, 2.5rem); }
.selector-help p { margin: 0; color: var(--c-steel); }

/* ── About ─────────────────────────────────────────────── */
.about-hero {
  background-color: var(--c-ink);
  background-image: linear-gradient(95deg, rgba(10,12,14,0.96) 0%, rgba(10,12,14,0.78) 55%, rgba(10,12,14,0.48) 100%), var(--about-image);
  background-size: cover;
  background-position: center;
  color: var(--c-paper);
  padding: 30px 0 clamp(50px, 6vw, 80px);
  border-bottom: 5px solid var(--c-red);
}
.about-hero__copy { max-width: 52em; }
.about-hero__copy h1 { margin-bottom: 20px; color: var(--c-paper); font-size: clamp(2.4rem, 4.6vw, 4.7rem); }
.about-hero__copy > p { max-width: 44em; color: var(--c-white-72); font-size: 16px; line-height: 1.8; }
.about-hero__badges { display: flex; flex-wrap: wrap; gap: 12px 34px; margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.22); color: var(--c-white-55); font-size: 11px; }
.about-hero__badges strong { margin-right: 6px; color: var(--c-paper); font-size: 19px; }
.timeline-layout { display: grid; grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr); gap: clamp(34px, 7vw, 100px); align-items: start; }
.timeline-layout__head { position: sticky; top: calc(var(--header-h) + 24px); max-width: 26em; }
.timeline-layout__head h2 { margin-bottom: 16px; font-size: clamp(2rem, 3vw, 2.8rem); }
.timeline-layout__head p { color: var(--c-steel); font-size: 14px; }
.timeline { list-style: none; border-top: 2px solid var(--c-ink); }
.timeline li { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 26px; padding: 17px 0; border-bottom: 1px solid var(--c-line); }
.timeline__year { color: var(--c-red); font-family: var(--font-mono); font-size: 12px; font-weight: 700; }
.timeline p { margin: 0; color: var(--c-ink-3); font-size: 13px; line-height: 1.75; }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.capability-card { padding: 26px; background: var(--c-paper); border: 1px solid var(--c-line); }
.capability-card__no { color: var(--c-red); font-family: var(--font-mono); font-size: 11px; }
.capability-card h3 { margin: 22px 0 9px; font-size: 1.1rem; }
.capability-card p { margin: 0; color: var(--c-steel); font-size: 12px; line-height: 1.75; }
.about-image { margin-top: 30px; }
.about-image img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.about-image p { margin: 8px 0 0; color: var(--c-muted); font-size: 10px; }
.quality-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 6vw, 78px); align-items: center; }
.quality-layout__image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.quality-layout__copy h2 { margin-bottom: 22px; font-size: clamp(2rem, 3vw, 2.9rem); }
.quality-layout__copy .btn { margin-top: 26px; }
.group-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr); gap: clamp(36px, 7vw, 100px); align-items: start; }
.group-layout h2 { margin-bottom: 22px; color: var(--c-paper); font-size: clamp(2rem, 3vw, 2.9rem); }
.group-layout__panel { padding: 28px; border: 1px solid rgba(255,255,255,0.22); }
.group-layout__panel p { color: var(--c-white-72); font-size: 13px; line-height: 1.8; }
.group-layout__label { color: var(--c-red) !important; font-size: 10px !important; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.group-layout__panel .btn { margin-top: 12px; }
.source-index { max-width: 900px; }
.source-index__links { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.source-index__links a { display: flex; flex-direction: column; gap: 4px; padding: 15px 18px; background: var(--c-paper); font-size: 12px; font-weight: 700; }
.source-index__links small { color: var(--c-muted); font-size: 9px; font-weight: 400; overflow-wrap: anywhere; }
.source-index__links a:hover { background: var(--c-warm); }

/* ── Contact ───────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.contact-form-panel { padding: clamp(24px, 4vw, 44px); background: var(--c-warm); border: 1px solid var(--c-line); }
.contact-form-panel .minor-head { margin-bottom: 26px; }
.contact-aside { display: flex; flex-direction: column; gap: 14px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; margin: 0; }
.contact-list div { display: grid; grid-template-columns: 4.5em 1fr; gap: 12px; }
.contact-list dt { color: var(--c-muted); font-size: 10px; }
.contact-list dd { margin: 0; font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.contact-aside__operator { margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--c-line); color: var(--c-steel); font-size: 11px; line-height: 1.7; }
.contact-origin { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; }
.contact-origin h2 { margin-bottom: 12px; font-size: clamp(1.5rem, 2.2vw, 2rem); }
.contact-origin p { color: var(--c-steel); font-size: 13px; }
.contact-origin__note { max-width: 30em; padding-left: 18px; border-left: 2px solid var(--c-red); }
.contact-origin__note p { margin: 0; }

/* ── Search ────────────────────────────────────────────── */
.search-form { display: flex; gap: 10px; max-width: 820px; margin-top: 24px; }
.search-form input { flex: 1; min-height: 54px; padding: 0 16px; border: 1px solid var(--c-line-strong); background: var(--c-paper); font-size: 16px; }
.search-form input:focus { outline: none; border-color: var(--c-red); box-shadow: 0 0 0 2px var(--c-red-soft); }
.search-hint { margin: 12px 0 0; color: var(--c-muted); font-size: 11px; }
.search-state { margin-bottom: 20px; color: var(--c-steel); font-size: 13px; }
.search-results { display: flex; flex-direction: column; border-top: 2px solid var(--c-ink); }
.search-result { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--c-line); }
.search-result:hover { background: var(--c-warm); color: inherit; }
.search-result__type { align-self: start; padding-top: 3px; color: var(--c-red); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.search-result__title { font-size: 15px; font-weight: 700; line-height: 1.45; }
.search-result__sub { margin-top: 3px; color: var(--c-steel); font-size: 11px; line-height: 1.55; }
.search-result__arrow { color: var(--c-red); font-size: 18px; }
.search-default { margin-top: 50px; }
.search-default h2 { margin-bottom: 18px; font-size: 1.5rem; }
.search-default .category-links { margin-top: 12px; }

/* ── Legal ─────────────────────────────────────────────── */
.legal-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, 280px); gap: clamp(34px, 7vw, 90px); align-items: start; }
.legal-body { max-width: 48em; }
.legal-body section { margin-bottom: 34px; }
.legal-body h2 { margin-bottom: 10px; font-size: 1.3rem; }
.legal-body p { color: var(--c-ink-3); font-size: 14px; line-height: 1.85; }
.legal-aside { padding: 22px; background: var(--c-warm); border: 1px solid var(--c-line); }
.legal-aside p { margin: 0 0 8px; color: var(--c-steel); font-size: 12px; }
.legal-aside a { display: block; font-size: 12px; font-weight: 700; margin-top: 5px; }

/* ── 404 ───────────────────────────────────────────────── */
.error-page { padding: clamp(70px, 10vw, 150px) 0; background: var(--c-warm); }
.error-page__grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr); gap: clamp(40px, 8vw, 120px); align-items: center; }
.error-page h1 { margin-bottom: 18px; font-size: clamp(2.8rem, 5.5vw, 5.4rem); }
.error-page p { max-width: 34em; color: var(--c-steel); font-size: 15px; line-height: 1.8; }
.error-page__panel { padding: 28px; background: var(--c-paper); border: 1px solid var(--c-line); }
.error-page__panel .plain-links { margin-top: 4px; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1180px) {
  .home-hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr); }
  .home-hero__copy { padding-right: 26px; }
  .brand__cn { display: none; }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .task-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .topbar__links { gap: 14px; }
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .site-header__inner { gap: 14px; }
  .site-header__actions { margin-left: auto; }
  .site-header.is-open .main-nav {
    display: flex;
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 18px;
    background: var(--c-paper);
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
  }
  .site-header.is-open .main-nav__link { min-height: 48px; border-bottom: 1px solid var(--c-line); }
  .site-header.is-open .main-nav__link::after { display: none; }
  .site-header.is-open .main-nav__link.is-active { color: var(--c-red); }
  .home-hero__grid { grid-template-columns: 1fr; }
  .home-hero__media { inset: 0; }
  .home-hero__copy { min-height: 480px; padding-right: 0; }
  .home-hero__visual { min-height: 380px; border-left: 0; border-top: 1px solid var(--c-line); }
  .home-hero__rule { width: 100%; }
  .section-head { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .section-head > p { max-width: 42em; }
  .page-head__grid { grid-template-columns: 1fr; gap: 24px; }
  .page-head__aside { max-width: 48em; }
  .brand-lede { grid-template-columns: 1fr; gap: 22px; }
  .brand-lede__mark { writing-mode: horizontal-tb; }
  .why-grid { grid-template-columns: 1fr; gap: 38px; }
  .why-grid__intro { max-width: 40em; }
  .product-grid, .product-grid--home, .product-grid--archive, .app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .knowledge-grid { grid-template-columns: 1fr; }
  .downloads-feature { grid-template-columns: 1fr; }
  .downloads-feature__covers { min-height: 380px; max-width: 680px; width: 100%; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .site-footer__main { grid-template-columns: 1.2fr 0.8fr 0.8fr; }
  .site-footer__contact { grid-column: 1 / -1; }
  .site-footer__source { text-align: left; }
  .catalog-hero__grid { grid-template-columns: 1fr; gap: 14px; }
  .catalog-hero__stats { gap: 30px; }
  .series-hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .series-hero__image { max-width: 520px; min-height: 230px; }
  .series-hero__image img { max-height: 220px; }
  .product-hero__grid { grid-template-columns: 1fr; gap: 30px; }
  .product-gallery { max-width: 640px; }
  .product-intro h1 { max-width: 18em; }
  .product-body { grid-template-columns: 1fr; }
  .product-aside { order: -1; }
  .aside-sticky { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .aside-sticky .aside-links { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border: 0; }
  .aside-sticky .aside-links a { border: 1px solid var(--c-line); padding: 9px 10px; text-align: center; }
  .inquiry-panel { grid-template-columns: 1fr; }
  .application-layout { grid-template-columns: 1fr; }
  .application-aside { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-layout__head { position: static; max-width: 42em; }
  .article-hero__grid { grid-template-columns: 1fr; gap: 24px; }
  .article-hero__meta { flex-direction: row; flex-wrap: wrap; gap: 8px 22px; padding-left: 0; border-left: 0; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .task-series-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline-layout { grid-template-columns: 1fr; }
  .timeline-layout__head { position: static; max-width: 40em; }
  .quality-layout { grid-template-columns: 1fr; }
  .group-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-aside { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .contact-aside .aside-card--red { grid-column: 1 / -1; }
  .error-page__grid { grid-template-columns: 1fr; }
  .application-row { grid-template-columns: 34px 180px minmax(0, 1fr) 28px; gap: 16px; }
  .application-row__summary { font-size: 12px; }
  .download-foot { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; --gutter: 20px; }
  .topbar__links { display: none; }
  .topbar__inner { min-height: 30px; }
  .topbar__tag { font-size: 10px; }
  .brand img { width: 139px; }
  .site-header__actions { gap: 8px; }
  .btn--header { display: none; }
  .icon-link { width: 38px; height: 38px; }
  .menu-toggle { width: 40px; height: 40px; }
  .home-hero__copy { min-height: 510px; padding-top: 62px; padding-bottom: 56px; }
  .home-hero__copy h1 { font-size: clamp(2.25rem, 8vw, 3.2rem); }
  .home-hero__sub { font-size: 14px; }
  .home-hero__visual { min-height: 330px; padding: 46px 20px 36px; }
  .hero-spec-label { left: 20px; top: 18px; }
  .hero-visual-link { left: 20px; right: 20px; bottom: 16px; }
  .stat-strip__grid { grid-template-columns: 1fr 1fr; }
  .stat-strip__item { padding: 18px 14px; }
  .stat-strip__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat-strip__item:nth-child(n+3) { border-top: 1px solid var(--c-line); }
  .category-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .category-card { aspect-ratio: 0.98 / 1; }
  .category-card__body { left: 14px; right: 14px; bottom: 14px; }
  .product-grid, .product-grid--home, .product-grid--archive, .app-grid { grid-template-columns: 1fr; }
  .product-card__media { aspect-ratio: 1.35 / 1; }
  .why-grid__items { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr; gap: 12px; }
  .filter-chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 12px; scrollbar-width: thin; }
  .chip { flex: 0 0 auto; }
  .filter-summary { margin-bottom: 20px; }
  .site-footer__main { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__contact { grid-column: 1 / -1; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .site-footer__source { text-align: left; }
  .catalog-hero__stats { gap: 24px; flex-wrap: wrap; }
  .series-grid { grid-template-columns: 1fr; }
  .series-card { grid-template-columns: 37% 1fr auto; min-height: 130px; }
  .series-hero__copy h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  .series-hero__image { min-height: 210px; }
  .series-hero__image img { max-height: 190px; }
  .listing-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sibling-links { grid-template-columns: 1fr 1fr; }
  .product-gallery__frame { aspect-ratio: 1.1 / 1; }
  .product-intro h1 { font-size: clamp(2rem, 8.4vw, 2.7rem); }
  .product-facts { gap: 14px 18px; }
  .product-actions { flex-direction: column; align-items: stretch; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-cell { padding: 12px 14px; }
  .data-table { min-width: 700px; font-size: 11px; }
  .table-wrap { overflow-x: auto; border: 1px solid var(--c-line); }
  .data-table thead th { position: static; top: auto; }
  .data-table thead th, .data-table tbody td { padding: 9px 8px; }
  .aside-sticky { grid-template-columns: 1fr; }
  .aside-sticky .aside-links { grid-template-columns: 1fr 1fr; }
  .inquiry-panel { padding: 24px; }
  .field-grid { grid-template-columns: 1fr; }
  .application-row { grid-template-columns: 24px minmax(0, 1fr) 24px; gap: 12px; padding: 18px 0; }
  .application-row__media { grid-column: 2; grid-row: 1 / span 2; max-width: 100%; }
  .application-row__copy { grid-column: 2; }
  .application-row__index { grid-column: 1; grid-row: 1; }
  .application-row__arrow { grid-column: 3; grid-row: 1 / span 2; }
  .application-row__summary { display: none; }
  .application-aside, .contact-aside { grid-template-columns: 1fr; }
  .category-links, .category-links--four { grid-template-columns: 1fr 1fr; }
  .knowledge-row { grid-template-columns: 30px 1fr 24px; gap: 10px; padding: 18px 0; }
  .knowledge-row__index { grid-column: 1; grid-row: 1; }
  .knowledge-row__eyebrow { grid-column: 2; grid-row: 1; }
  .knowledge-row__title { grid-column: 2; grid-row: 2; }
  .knowledge-row__summary { grid-column: 2; grid-row: 3; }
  .knowledge-row__arrow { grid-column: 3; grid-row: 1 / span 3; }
  .article-hero h1 { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .article-aside { grid-template-columns: 1fr; }
  .task-grid, .task-series-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .selector-help { flex-direction: column; align-items: flex-start; }
  .capability-grid { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 90px 1fr; gap: 16px; }
  .source-index__links { grid-template-columns: 1fr; }
  .contact-origin { flex-direction: column; align-items: flex-start; gap: 22px; }
  .search-result { grid-template-columns: 68px 1fr 18px; gap: 10px; }
  .search-form { flex-wrap: wrap; }
  .search-form .btn { width: 100%; }
  .legal-aside { position: static; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card { display: grid; grid-template-columns: 40% 1fr; }
  .download-card__cover { aspect-ratio: auto; height: 100%; min-height: 190px; }
  .download-card__body { padding: 15px; }
  .downloads-feature__covers { min-height: 330px; }
  .cover-tile { width: 176px; }
  .cover-tile--1 { left: 0; top: 34px; }
  .cover-tile--2 { left: 29%; top: 8px; }
  .cover-tile--3 { left: 57%; top: 50px; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { width: 100%; }
}

@media (max-width: 430px) {
  .brand img { width: 128px; }
  .home-hero__copy h1 { font-size: 2.25rem; }
  .home-hero__copy { min-height: 540px; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card { aspect-ratio: 1.45 / 1; }
  .product-card__media { aspect-ratio: 1.25 / 1; }
  .stat-strip__item { padding: 15px 10px; }
  .stat-strip__item strong { font-size: 1.6rem; }
  .stat-strip__item span { font-size: 10px; }
  .series-card { grid-template-columns: 36% 1fr auto; }
  .series-card__body { padding: 14px 8px 14px 12px; }
  .series-card__title { font-size: 0.98rem; }
  .category-links, .category-links--four { grid-template-columns: 1fr; }
  .download-card { grid-template-columns: 1fr; }
  .download-card__cover { min-height: 230px; }
  .cover-tile { width: 140px; }
  .cover-tile--1 { left: 0; }
  .cover-tile--2 { left: 31%; }
  .cover-tile--3 { left: 62%; }
  .downloads-feature__covers { min-height: 280px; }
  .home-hero__visual { min-height: 300px; }
  .site-footer__main { grid-template-columns: 1fr; }
  .site-footer__brand, .site-footer__contact { grid-column: auto; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .product-intro__tagline { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}