:root {
  --ink: #202723;
  --graphite: #38413c;
  --muted: #717a74;
  --paper: #ffffff;
  --fog: #f0f2ef;
  --line: #d5dad4;
  --green: #405f51;
  --green-dark: #294238;
  --orange: #d75a2b;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; line-height: 1.5; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--paper); }
.skip-link:focus { top: 1rem; }
.section-pad { padding: 8rem max(5vw, calc((100vw - var(--max))/2)); }
.eyebrow, .section-label { font-size: .72rem; letter-spacing: .16em; line-height: 1.3; text-transform: uppercase; font-weight: 700; }
.section-label { display: flex; gap: 1.1rem; align-items: center; color: var(--muted); }
.section-label span { color: var(--green); }
.light, .light-label { color: rgba(255,255,255,.72); }
.light-label span { color: #b8c9c0; }

.site-header { height: 104px; display: grid; grid-template-columns: minmax(190px, 1fr) auto; align-items: center; gap: 2rem; padding: 0 max(3.5vw, 2rem); border-bottom: 1px solid rgba(206,158,55,.24); background: #050505; color: #cda33e; position: absolute; inset: 0 0 auto; z-index: 10; }
.brand { display: inline-flex; align-items: center; width: fit-content; }
.brand-logo { display: block; width: 220px; height: 78px; object-fit: cover; object-position: center; }
nav { display: flex; gap: clamp(.9rem, 1.55vw, 1.8rem); font-size: .72rem; }
nav a, footer a { transition: opacity .2s; }
nav a:hover, footer a:hover { opacity: .6; }
.header-actions { display: none; justify-self: end; align-items: center; }
.mobile-nav-toggle { border: 1px solid #cda33e; background: transparent; color: #cda33e; padding: .65rem .85rem; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 2.5rem; min-width: 230px; padding: 1.05rem 1.2rem; background: var(--paper); color: var(--ink); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-small { min-width: 0; padding: .8rem 1rem; background: var(--orange); color: var(--paper); }
.orange { background: var(--orange); color: var(--paper); }

.hero { min-height: 810px; height: 100vh; position: relative; display: flex; align-items: flex-end; color: var(--paper); overflow: hidden; background: var(--ink); }
.hero-image { position: absolute; inset: 0; height: 100%; object-fit: cover; object-position: center 48%; transform: scale(1.02); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,25,21,.86) 0%, rgba(18,25,21,.42) 58%, rgba(18,25,21,.13) 100%), linear-gradient(0deg, rgba(15,20,17,.55), transparent 45%); }
.hero-content { position: relative; z-index: 1; width: min(980px, 78vw); padding: 0 0 9vh max(5vw, calc((100vw - var(--max))/2)); }
.hero h1 { max-width: 950px; margin: 1.4rem 0 1.2rem; font-size: clamp(3.3rem, 6.7vw, 7.4rem); line-height: .93; letter-spacing: -.065em; font-weight: 500; }
.hero-copy { max-width: 620px; margin: 0 0 2.5rem; color: rgba(255,255,255,.78); font-size: 1rem; }
.hero-actions { display: flex; align-items: center; gap: 2.2rem; }
.text-link { display: inline-flex; gap: 1rem; align-items: center; padding-bottom: .35rem; border-bottom: 1px solid currentColor; font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.light-link { color: var(--paper); }
.hero-index { position: absolute; z-index: 2; right: max(3.5vw, 2rem); bottom: 4rem; display: grid; gap: .25rem; text-align: right; font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.hero-index span:first-child { font-size: 1.8rem; color: var(--paper); }

.statement { display: grid; grid-template-columns: 1fr 2.7fr; gap: 5vw; border-bottom: 1px solid var(--line); }
.statement-body { display: grid; grid-template-columns: 2fr 1fr; gap: 7vw; align-items: end; }
.statement h2, .section-heading h2, .capability h2, .sourcing h2, .company h2, .contact h2 { margin: 0; font-size: clamp(2.7rem, 5vw, 5.8rem); line-height: 1; letter-spacing: -.055em; font-weight: 500; }
.statement p { margin: 0; color: var(--muted); }

.section-heading { display: grid; grid-template-columns: 1fr 2.7fr; gap: 5vw; background: var(--fog); }
.solution-row { min-height: 570px; display: grid; grid-template-columns: .38fr 1fr 1.5fr; border-top: 1px solid var(--line); background: var(--paper); }
.solution-row.reverse { grid-template-columns: .38fr 1.5fr 1fr; }
.solution-row.reverse .solution-copy { order: 3; }
.solution-row.reverse figure { order: 2; }
.solution-number { padding: 3rem max(2rem, 3.5vw); color: var(--muted); font-size: .72rem; }
.solution-copy { padding: clamp(4rem, 7vw, 8rem) 5vw; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.solution-copy .eyebrow { color: var(--green); }
.solution-copy h3 { margin: 1rem 0 1.5rem; font-size: clamp(2.2rem, 4vw, 4.5rem); line-height: .98; letter-spacing: -.05em; font-weight: 500; }
.solution-copy p:not(.eyebrow) { max-width: 470px; margin: 0 0 2.5rem; color: var(--muted); }
.solution-row figure { margin: 0; min-height: 570px; overflow: hidden; }
.solution-row figure img { height: 100%; object-fit: cover; transition: transform .6s ease; }
.solution-row:hover figure img { transform: scale(1.025); }

.applications { background: var(--ink); color: var(--paper); }
.applications-head { display: grid; grid-template-columns: 1fr 2.7fr; gap: 5vw; margin-bottom: 5rem; }
.applications-head h2 { max-width: 950px; margin: 0; font-size: clamp(2.8rem, 5vw, 5.6rem); line-height: 1; letter-spacing: -.055em; font-weight: 500; }
.application-gallery { display: grid; grid-template-columns: 1.6fr 1fr; grid-template-rows: repeat(2, minmax(250px, 34vh)); gap: 1rem; }
.application-gallery figure { position: relative; margin: 0; overflow: hidden; background: #141916; }
.application-gallery .gallery-main { grid-row: 1 / 3; }
.application-gallery img { height: 100%; object-fit: cover; opacity: .87; transition: transform .6s; }
.application-gallery figure:hover img { transform: scale(1.025); }
.application-gallery figcaption { position: absolute; inset: auto 0 0; padding: 3rem 1.6rem 1.4rem; background: linear-gradient(transparent, rgba(0,0,0,.7)); display: flex; gap: 1rem; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.application-gallery figcaption span { color: rgba(255,255,255,.5); }
.application-list { margin: 3.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.2); }
.application-list li { padding: 1.5rem .9rem 0 0; font-size: .78rem; color: rgba(255,255,255,.7); }

.capability { background: var(--fog); }
.capability-grid { margin-top: 4rem; display: grid; grid-template-columns: 1fr 1.15fr; gap: 7vw; align-items: start; }
.capability-visual img { aspect-ratio: 4/3; object-fit: cover; filter: saturate(.72); }
.capability-visual p { display: flex; justify-content: space-between; margin: 1rem 0 0; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.capability-copy h2 { margin: 1.2rem 0 3rem; font-size: clamp(2.7rem, 4.2vw, 5rem); }
.capability-copy .eyebrow { color: var(--green); }
dl { margin: 0; border-top: 1px solid var(--line); }
dl div { display: grid; grid-template-columns: 1fr 2fr; gap: 1.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
dt { font-weight: 700; }
dd { margin: 0; color: var(--muted); }

.sourcing { display: grid; grid-template-columns: 1.4fr 1fr; gap: 9vw; background: var(--green-dark); color: var(--paper); }
.sourcing h2 { margin: 2.5rem 0 1.8rem; }
.sourcing-intro > p { max-width: 650px; margin: 0 0 2.5rem; color: rgba(255,255,255,.7); }
.sourcing-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.22); }
.sourcing-steps li { display: grid; grid-template-columns: 52px 1fr; gap: 1.2rem; padding: 1.8rem 0; border-bottom: 1px solid rgba(255,255,255,.22); }
.sourcing-steps li > span { color: rgba(255,255,255,.45); font-size: .7rem; }
.sourcing-steps h3 { margin: 0 0 .5rem; font-size: 1.6rem; font-weight: 500; }
.sourcing-steps p { margin: 0; color: rgba(255,255,255,.65); font-size: .9rem; }

.company { display: grid; grid-template-columns: 1.25fr 1fr; gap: 10vw; }
.company h2 { margin: 2.4rem 0 2rem; }
.company-copy > p { max-width: 630px; color: var(--muted); }
.company-facts { border-top: 1px solid var(--line); }
.company-facts div { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.company-facts strong { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.company-facts span { color: var(--muted); }

.contact { text-align: center; color: var(--paper); background: var(--graphite); }
.contact h2 { margin: 1.5rem 0 2rem; font-size: clamp(3.2rem, 7vw, 8rem); }
.contact > p:not(.eyebrow) { max-width: 650px; margin: 0 auto 2.6rem; color: rgba(255,255,255,.67); }
.button-large { min-width: 290px; }
footer { padding: 2.2rem max(3.5vw, 2rem); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; background: #000; color: var(--paper); }
footer > div { display: flex; gap: 2rem; font-size: .72rem; }
footer > p { justify-self: end; margin: 0; color: rgba(255,255,255,.55); font-size: .68rem; }

@media (max-width: 1100px) {
  nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .header-actions { display: flex; }
  .site-header.nav-open nav {
    position: absolute;
    inset: 100% 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 1rem max(3.5vw, 2rem) 1.5rem;
    border-top: 1px solid rgba(205,163,62,.25);
    background: #050505;
    box-shadow: 0 18px 30px rgba(0,0,0,.25);
  }
  .site-header.nav-open nav a { padding: .9rem 0; border-bottom: 1px solid rgba(205,163,62,.14); }
  .statement, .section-heading, .applications-head { grid-template-columns: 1fr; }
  .statement-body { grid-template-columns: 1fr 1fr; }
  .solution-row, .solution-row.reverse { grid-template-columns: 70px 1fr 1.15fr; }
  .sourcing, .company { gap: 5vw; }
}

@media (max-width: 760px) {
  .section-pad { padding: 5rem 1.25rem; }
  .site-header { height: 78px; padding: 0 1.25rem; }
  .site-header.nav-open nav { grid-template-columns: 1fr; padding: .65rem 1.25rem 1rem; }
  .brand-logo { width: 155px; height: 58px; }
  .hero { min-height: 720px; }
  .hero-image { object-position: 60% center; }
  .hero-content { width: auto; padding: 0 1.25rem 7rem; }
  .hero h1 { font-size: clamp(3.2rem, 15vw, 5rem); }
  .hero-copy { font-size: .92rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.4rem; }
  .hero-index { display: none; }
  .statement-body { grid-template-columns: 1fr; gap: 2rem; }
  .statement h2, .section-heading h2 { font-size: 2.8rem; }
  .solution-row, .solution-row.reverse { display: grid; grid-template-columns: 48px 1fr; min-height: 0; }
  .solution-row .solution-number { padding: 2rem 0 0 1.25rem; }
  .solution-row .solution-copy, .solution-row.reverse .solution-copy { order: 2; padding: 3.5rem 1.25rem; }
  .solution-row figure, .solution-row.reverse figure { order: 3; grid-column: 1 / 3; min-height: 370px; }
  .solution-copy h3 { font-size: 2.8rem; }
  .applications-head { margin-bottom: 3rem; }
  .application-gallery { display: grid; grid-template-columns: 1fr; grid-template-rows: none; }
  .application-gallery .gallery-main { grid-row: auto; }
  .application-gallery figure { min-height: 350px; }
  .application-list { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .capability-grid, .sourcing, .company { grid-template-columns: 1fr; }
  .capability-grid { margin-top: 2.5rem; }
  .sourcing-steps { margin-top: 3rem; }
  .company-facts { margin-top: 2rem; }
  dl div { grid-template-columns: 1fr; gap: .4rem; }
  footer { grid-template-columns: 1fr; text-align: left; }
  footer > div { flex-wrap: wrap; gap: 1rem 1.5rem; }
  footer > p { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Shared inner-page system */
.inner-page .site-header { position: relative; }
.inner-page main { background: var(--paper); }
.inner-hero { min-height: 520px; padding: 7rem max(5vw, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: 1.65fr 1fr; gap: 8vw; align-items: end; background: var(--ink); color: var(--paper); }
.inner-hero .eyebrow { color: #cda33e; }
.inner-hero h1 { max-width: 980px; margin: 1.3rem 0 0; font-size: clamp(3.5rem, 6.8vw, 7.7rem); line-height: .92; letter-spacing: -.065em; font-weight: 500; }
.inner-hero-copy { max-width: 540px; padding-bottom: .5rem; color: rgba(255,255,255,.68); }
.inner-intro { display: grid; grid-template-columns: 1fr 2.4fr; gap: 6vw; }
.inner-intro h2, .inner-section-title { margin: 0; font-size: clamp(2.6rem, 4.6vw, 5.2rem); line-height: 1; letter-spacing: -.05em; font-weight: 500; }
.inner-intro-copy { display: grid; grid-template-columns: 1.4fr 1fr; gap: 5vw; }
.inner-intro-copy p { margin: 0; color: var(--muted); }
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.category-item { display: grid; grid-template-columns: .85fr 1.15fr; min-height: 390px; border-bottom: 1px solid var(--line); }
.category-item:nth-child(odd) { border-right: 1px solid var(--line); }
.category-item img { height: 100%; object-fit: cover; background: var(--fog); }
.category-item-copy { padding: 3rem; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.category-item-copy span { color: var(--green); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.category-item-copy h2 { margin: .8rem 0 1rem; font-size: clamp(1.8rem, 2.8vw, 3.3rem); line-height: 1; letter-spacing: -.04em; font-weight: 500; }
.category-item-copy p { margin: 0 0 1.5rem; color: var(--muted); }
.category-item > a.category-media { display: flex; min-width: 0; overflow: hidden; align-items: center; justify-content: center; padding: clamp(1.5rem, 3vw, 3.5rem); background: #fff; box-sizing: border-box; }
.category-item > a.category-media img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s ease; }
.category-item > a.category-media:hover img { transform: scale(1.025); }
.category-title-link { color: inherit; text-decoration: none; }
.category-title-link:hover { color: var(--green); }
.product-detail-hero { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 640px; background: var(--paper); border-bottom: 1px solid var(--line); }
.product-detail-hero-copy { padding: 7rem 5vw 5rem; display: flex; flex-direction: column; justify-content: center; }
.product-detail-hero-copy h1 { max-width: 780px; margin: 1rem 0 1.5rem; font-size: clamp(3.5rem, 6.5vw, 7.5rem); line-height: .9; letter-spacing: -.065em; font-weight: 500; }
.product-detail-hero-copy > p:not(.eyebrow) { max-width: 650px; color: var(--muted); font-size: 1.08rem; }
.product-detail-hero img { width: 100%; height: 100%; min-height: 640px; padding: clamp(1.5rem, 4vw, 4.5rem); object-fit: contain; background: #fff; box-sizing: border-box; }
.detail-overview { display: grid; grid-template-columns: .7fr 1.3fr; gap: 7vw; }
.detail-overview h2 { margin: 0 0 1.5rem; font-size: clamp(2.4rem, 5vw, 5.8rem); line-height: .95; letter-spacing: -.055em; font-weight: 500; }
.detail-overview p { max-width: 760px; color: var(--muted); }
.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.application-grid article { min-height: 270px; padding: 3rem; border-right: 1px solid var(--line); }
.application-grid article:last-child { border-right: 0; }
.application-grid span { color: var(--green); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.application-grid h2 { margin: 1rem 0; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1; font-weight: 500; }
.application-grid p { color: var(--muted); }
.catalog-toolbar { padding: 1.5rem max(5vw, calc((100vw - var(--max))/2)); display: flex; flex-wrap: wrap; gap: .7rem; border-bottom: 1px solid var(--line); background: var(--fog); }
.catalog-toolbar a { padding: .65rem .9rem; border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.catalog-toolbar a:hover, .catalog-toolbar a[aria-current="page"] { border-color: var(--green); background: var(--green); color: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { min-width: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.product-card > a:first-child { display: flex; aspect-ratio: 1 / .82; overflow: hidden; align-items: center; justify-content: center; padding: clamp(1.4rem, 3vw, 3.2rem); background: #fff; box-sizing: border-box; }
.product-card img { display: block; width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: contain; transition: transform .35s ease; }
.product-card:hover img { transform: scale(1.025); }
.product-card-copy { padding: 2rem; }
.product-card-copy span { color: var(--green); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; }
.product-card-copy h2 { margin: .8rem 0 1rem; font-size: clamp(1.55rem, 2.4vw, 2.35rem); line-height: 1.03; font-weight: 500; }
.product-card-copy h2 a { color: inherit; text-decoration: none; }
.product-card-copy p { min-height: 4.5em; color: var(--muted); }
.parameter-table { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 3rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.parameter-table div { padding: 1.4rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.parameter-table dt { color: var(--green); font-size: .67rem; letter-spacing: .09em; text-transform: uppercase; }
.parameter-table dd { margin: .45rem 0 0; color: var(--ink); }
.spec-detail { background: #eef1ed; border-top: 1px solid var(--line); }
.spec-detail-grid { display: grid; grid-template-columns: minmax(320px, .85fr) minmax(0, 1.15fr); gap: clamp(2rem, 6vw, 7rem); align-items: start; }
.spec-diagram { margin: 0; position: sticky; top: 7rem; }
.spec-diagram img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: clamp(1rem, 3vw, 2.5rem); box-sizing: border-box; background: #fff; border: 1px solid var(--line); }
.spec-diagram figcaption { margin-top: .75rem; color: var(--muted); font-size: .76rem; line-height: 1.5; }
.spec-copy h2 { margin: .7rem 0 1.25rem; font-size: clamp(2.3rem, 4.5vw, 5rem); line-height: .95; letter-spacing: -.05em; font-weight: 500; }
.spec-note { max-width: 760px; color: var(--muted); }
.spec-copy .parameter-table { margin-top: 2.25rem; background: var(--paper); }
.spec-inputs { margin-top: 1.25rem; padding: 1.5rem; border-left: 3px solid var(--orange); background: #fff; }
.spec-inputs h3 { margin: 0 0 .55rem; font-size: 1rem; }
.spec-inputs p { margin: 0; color: var(--muted); }
.back-link { display: inline-block; margin-bottom: 1.25rem; color: var(--green); font-size: .72rem; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.spec-strip { padding: 3rem max(5vw, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: repeat(4, 1fr); background: var(--fog); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.spec-strip div { padding: 1rem 2rem; border-right: 1px solid var(--line); }
.spec-strip div:first-child { padding-left: 0; }
.spec-strip div:last-child { border-right: 0; }
.spec-strip strong { display: block; margin-bottom: .45rem; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.spec-strip span { color: var(--muted); font-size: .86rem; }
.process-list { margin: 4rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: 80px 1fr 1.2fr; gap: 3vw; padding: 2rem 0; border-bottom: 1px solid var(--line); align-items: start; }
.process-list > li > span { color: var(--green); font-size: .72rem; }
.process-list h3 { margin: 0; font-size: 1.8rem; font-weight: 500; }
.process-list p { margin: 0; color: var(--muted); }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; min-height: 650px; }
.split-feature img { height: 100%; object-fit: cover; }
.split-feature-copy { padding: 7rem max(5vw, calc((100vw - var(--max))/2)); padding-right: 7vw; display: flex; flex-direction: column; justify-content: center; background: var(--fog); }
.split-feature-copy h2 { margin: 1.3rem 0 1.5rem; font-size: clamp(2.7rem, 4.5vw, 5.2rem); line-height: 1; letter-spacing: -.05em; font-weight: 500; }
.split-feature-copy p { color: var(--muted); }
.evidence-grid { margin-top: 4rem; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.evidence-grid article { min-height: 240px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.evidence-grid span { color: var(--green); font-size: .7rem; }
.evidence-grid h3 { margin: 3rem 0 1rem; font-size: 1.4rem; font-weight: 500; }
.evidence-grid p { margin: 0; color: var(--muted); font-size: .9rem; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.article-card { min-height: 340px; padding: 2.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; align-items: flex-start; }
.article-card .eyebrow { color: var(--green); }
.article-card h2 { margin: 3rem 0 1rem; font-size: 1.7rem; line-height: 1.15; font-weight: 500; }
.article-card p { margin: 0 0 2rem; color: var(--muted); }
.article-card .text-link { margin-top: auto; }
.faq-list { margin: 4rem 0 0; border-top: 1px solid var(--line); }
.faq-item { display: grid; grid-template-columns: 90px 1.1fr 1.4fr; gap: 4vw; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.faq-item > span { color: var(--green); font-size: .7rem; }
.faq-item h2 { margin: 0; font-size: 1.5rem; font-weight: 500; }
.faq-item p { margin: 0; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 8vw; }
.contact-details h2 { margin: 1rem 0 2rem; font-size: clamp(2.7rem, 4vw, 4.8rem); line-height: 1; letter-spacing: -.05em; font-weight: 500; }
.contact-details p { color: var(--muted); }
.contact-methods { margin-top: 3rem; border-top: 1px solid var(--line); }
.contact-methods div { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.contact-methods span { display: block; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-form { padding: 3rem; background: var(--fog); }
.contact-form label { display: block; margin-bottom: 1.2rem; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; margin-top: .5rem; padding: 1rem 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); font: inherit; }
.contact-form textarea { min-height: 130px; resize: vertical; }
.inner-page footer .brand-logo { background: #fff; }

@media (max-width: 960px) {
  .inner-hero, .inner-intro, .split-feature, .contact-grid { grid-template-columns: 1fr; }
  .inner-hero { min-height: 600px; }
  .inner-intro-copy { grid-template-columns: 1fr 1fr; }
  .category-grid, .article-grid { grid-template-columns: 1fr; }
  .category-item:nth-child(odd) { border-right: 0; }
  .evidence-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .inner-hero { min-height: 540px; padding: 5rem 1.25rem; }
  .inner-hero h1 { font-size: 3.5rem; }
  .inner-intro-copy, .category-item, .spec-strip, .evidence-grid { grid-template-columns: 1fr; }
  .category-item { min-height: 0; }
  .category-item img { min-height: 300px; }
  .category-item-copy { padding: 2.5rem 1.25rem; }
  .spec-strip div, .spec-strip div:first-child { padding: 1rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-list li, .faq-item { grid-template-columns: 42px 1fr; }
  .process-list p, .faq-item p { grid-column: 2; }
  .article-grid { border-left: 0; }
  .contact-form { padding: 2rem 1.25rem; }
  .product-detail-hero { grid-template-columns: 1fr; min-height: 0; }
  .product-detail-hero-copy { padding: 6rem 1.25rem 4rem; }
  .product-detail-hero-copy h1 { font-size: clamp(3.4rem, 15vw, 5.5rem); }
  .product-detail-hero img { min-height: 390px; max-height: 520px; padding: 1.5rem; }
  .detail-overview { grid-template-columns: 1fr; gap: 2rem; }
  .application-grid { grid-template-columns: 1fr; }
  .application-grid article { min-height: 0; padding: 2.5rem 1.25rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .application-grid article:last-child { border-bottom: 0; }
  .product-grid { grid-template-columns: 1fr; border-left: 0; }
  .product-card-copy { padding: 1.6rem 1.25rem 2rem; }
  .product-card-copy p { min-height: 0; }
  .parameter-table { grid-template-columns: 1fr; }
  .spec-detail-grid { grid-template-columns: 1fr; }
  .spec-diagram { position: static; }
}

/* Industrial editorial system v6 — Nogata structure + modern B2B information hierarchy */
body { background: #f7f8f5; }
.section-pad { padding: clamp(5rem, 8vw, 9rem) max(4vw, calc((100vw - var(--max))/2)); }
.site-header,
.inner-page .site-header {
  position: relative;
  height: 88px;
  grid-template-columns: 260px 1fr;
  padding: 0 max(4vw, calc((100vw - var(--max))/2));
  background: #fff;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.site-header::after { content: "ANHUI · CHINA"; position: absolute; left: max(4vw, calc((100vw - var(--max))/2)); bottom: 8px; color: var(--muted); font-size: .55rem; letter-spacing: .16em; }
.brand-logo { width: 198px; height: 62px; object-fit: cover; object-position: center; }
.site-header nav { justify-self: end; align-items: center; }
.site-header nav a { padding: 2.1rem 0 1.8rem; border-bottom: 2px solid transparent; }
.site-header nav a:hover { opacity: 1; border-color: var(--green); }
.mobile-nav-toggle { border-color: var(--green); color: var(--green); }
.button { min-width: 250px; background: var(--green-dark); color: #fff; }
.orange { background: var(--orange); }

.hero {
  min-height: 720px;
  height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(420px, .88fr);
  align-items: stretch;
  color: var(--ink);
  background: #f2f4ef;
  border-bottom: 1px solid var(--line);
}
.hero-image { position: relative; inset: auto; grid-column: 2; grid-row: 1; height: 100%; min-height: 720px; object-fit: cover; object-position: 52% center; transform: none; filter: saturate(.78) contrast(1.02); }
.hero-shade { display: none; }
.hero-content { grid-column: 1; grid-row: 1; align-self: center; width: auto; padding: 7rem clamp(3rem, 7vw, 8rem) 7rem max(4vw, calc((100vw - var(--max))/2)); }
.hero-content::before { content: "01  /  INDUSTRIAL BRUSH ENGINEERING"; display: block; margin-bottom: 5rem; color: var(--green); font-size: .66rem; font-weight: 700; letter-spacing: .15em; }
.hero .eyebrow { color: var(--green); }
.hero h1 { max-width: 820px; margin: 1.3rem 0 1.8rem; color: var(--ink); font-size: clamp(3.8rem, 6.1vw, 7rem); line-height: .92; }
.hero-copy { max-width: 650px; color: var(--muted); font-size: 1.05rem; }
.hero .light-link { color: var(--ink); }
.hero-index { right: 2rem; bottom: 2rem; padding: .8rem 1rem; color: rgba(255,255,255,.72); background: rgba(32,39,35,.82); text-align: left; }
.hero-index span:first-child { color: #fff; }

.statement { grid-template-columns: 190px 1fr; background: #fff; }
.statement-body { grid-template-columns: minmax(0, 1.55fr) minmax(280px, .45fr); }
.statement h2 { max-width: 900px; }
.section-heading { grid-template-columns: 190px 1fr; background: #e9ede6; }
.solution-row,
.solution-row.reverse { min-height: 440px; grid-template-columns: 110px minmax(360px, .85fr) minmax(0, 1.15fr); background: #fff; }
.solution-row.reverse .solution-copy { order: 2; }
.solution-row.reverse figure { order: 3; }
.solution-number { border-right: 1px solid var(--line); }
.solution-copy { padding: 5rem clamp(2rem, 5vw, 5.5rem); }
.solution-row figure { min-height: 440px; padding: clamp(1.5rem, 3vw, 3rem); background: #f3f5f1; }
.solution-row figure img { object-fit: contain; }

.applications { background: #29352f; }
.application-gallery { grid-template-columns: repeat(3, 1fr); grid-template-rows: minmax(360px, 52vh); gap: 1px; background: rgba(255,255,255,.2); }
.application-gallery .gallery-main { grid-row: auto; }
.application-gallery figure { background: #1e2923; }
.application-list { grid-template-columns: repeat(4, 1fr); }
.capability-grid { grid-template-columns: .85fr 1.15fr; }
.capability-visual img { object-fit: contain; padding: 2rem; background: #fff; }
.sourcing { border-top: 12px solid var(--orange); }
.contact { text-align: left; background: #26312b; }
.contact > p:not(.eyebrow) { margin-left: 0; }
.contact h2 { max-width: 1100px; font-size: clamp(3.2rem, 6vw, 7rem); }
footer { background: #fff; color: var(--ink); border-top: 1px solid var(--line); }
footer > p { color: var(--muted); }
.inner-page footer .brand-logo { background: #fff; }

.inner-hero {
  min-height: 430px;
  padding: 6rem max(4vw, calc((100vw - var(--max))/2));
  grid-template-columns: 190px minmax(0, 1.5fr) minmax(300px, .5fr);
  gap: 4vw;
  align-items: end;
  background: #e9ede6;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.inner-hero::before { content: "01"; align-self: start; color: var(--green); font-size: 4rem; line-height: 1; font-weight: 500; }
.inner-hero > div { grid-column: 2; }
.inner-hero-copy { grid-column: 3; color: var(--muted); }
.inner-hero .eyebrow { color: var(--green); }
.inner-hero h1 { color: var(--ink); font-size: clamp(3.5rem, 5.8vw, 6.7rem); }
.inner-intro { grid-template-columns: 190px 1fr; background: #fff; }
.inner-intro-copy { grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); }

.category-grid { display: block; background: #fff; border-left: 0; }
.category-item { min-height: 330px; grid-template-columns: 42% 58%; border-right: 0 !important; }
.category-item:nth-child(even) { grid-template-columns: 58% 42%; }
.category-item:nth-child(even) .category-media { order: 2; }
.category-item > a.category-media { padding: clamp(2rem, 4vw, 4.5rem); background: #eef1ec; border-right: 1px solid var(--line); }
.category-item:nth-child(even) > a.category-media { border-right: 0; border-left: 1px solid var(--line); }
.category-item-copy { position: relative; padding: clamp(3rem, 6vw, 7rem); }
.category-item-copy::before { content: "PRODUCT FAMILY"; position: absolute; right: 2rem; top: 2rem; color: var(--muted); font-size: .58rem; letter-spacing: .13em; }

.catalog-toolbar { padding: 1rem max(4vw, calc((100vw - var(--max))/2)); background: #fff; gap: 0; }
.catalog-toolbar a { border: 0; border-right: 1px solid var(--line); padding: .8rem 1.1rem; }
.catalog-toolbar a:first-child { border-left: 1px solid var(--line); }
.catalog-toolbar a:hover,
.catalog-toolbar a[aria-current="page"] { background: #e9ede6; color: var(--green-dark); }

.product-grid { display: block; border-left: 0; background: #fff; }
.product-card { min-height: 300px; display: grid; grid-template-columns: minmax(260px, 34%) 1fr; border-right: 0; }
.product-card > a:first-child { aspect-ratio: auto; min-height: 300px; padding: clamp(2rem, 4vw, 4rem); background: #f0f2ee; border-right: 1px solid var(--line); }
.product-card-copy { position: relative; padding: clamp(2.5rem, 5vw, 5rem); display: grid; grid-template-columns: minmax(240px, .8fr) minmax(250px, 1.2fr); column-gap: 5vw; align-content: center; }
.product-card-copy span { grid-column: 1; }
.product-card-copy h2 { grid-column: 1; margin-bottom: 0; }
.product-card-copy p { grid-column: 2; grid-row: 1 / 3; min-height: 0; align-self: center; font-size: 1rem; }
.product-card-copy > .text-link { grid-column: 2; justify-self: start; }

.product-detail-hero { min-height: 660px; grid-template-columns: minmax(0, 1.28fr) minmax(380px, .72fr); background: #eef1ec; }
.product-detail-hero > img { grid-column: 1; grid-row: 1; min-height: 660px; padding: clamp(3rem, 7vw, 8rem); background: #fff; border-right: 1px solid var(--line); }
.product-detail-hero-copy { grid-column: 2; grid-row: 1; padding: 6rem clamp(2.5rem, 5vw, 6rem); justify-content: flex-end; border-top: 12px solid var(--green); }
.product-detail-hero-copy::before { content: "PAMIN / TECHNICAL PRODUCT FILE"; margin-bottom: auto; color: var(--green); font-size: .62rem; font-weight: 700; letter-spacing: .14em; }
.product-detail-hero-copy h1 { font-size: clamp(3.1rem, 4.8vw, 5.8rem); }
.detail-overview { grid-template-columns: 190px 1fr; background: #fff; }
.spec-detail { background: #e9ede6; }
.spec-detail-grid { grid-template-columns: minmax(360px, .75fr) minmax(0, 1.25fr); }
.parameter-table { grid-template-columns: 1fr; border-left: 0; }
.parameter-table div { grid-template-columns: minmax(180px, .6fr) minmax(0, 1.4fr); padding: 1rem 1.2rem; }
.parameter-table dt { align-self: center; }
.application-grid { grid-template-columns: 190px repeat(3, 1fr); background: #fff; }
.application-grid::before { content: "PROCESS"; padding: 3rem max(2rem, 3.5vw); color: var(--green); font-size: .68rem; font-weight: 700; letter-spacing: .13em; border-right: 1px solid var(--line); }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header.nav-open nav { background: #fff; border-color: var(--line); box-shadow: 0 18px 30px rgba(0,0,0,.08); }
  .site-header.nav-open nav a { border-color: var(--line); }
  .hero { grid-template-columns: 1fr 44%; }
  .inner-hero { grid-template-columns: 100px 1fr; }
  .inner-hero > div { grid-column: 2; }
  .inner-hero-copy { grid-column: 2; }
  .product-card-copy { grid-template-columns: 1fr; }
  .product-card-copy p,
  .product-card-copy > .text-link { grid-column: 1; grid-row: auto; }
  .application-grid { grid-template-columns: repeat(3, 1fr); }
  .application-grid::before { display: none; }
}

@media (max-width: 760px) {
  .site-header { height: 78px; padding: 0 1.25rem; }
  .site-header::after { display: none; }
  .brand-logo { width: 150px; height: 52px; }
  .hero { display: flex; flex-direction: column; min-height: 0; }
  .hero-image { order: 2; min-height: 430px; }
  .hero-content { order: 1; padding: 5rem 1.25rem; }
  .hero-content::before { margin-bottom: 3rem; }
  .hero h1 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .hero-index { display: none; }
  .statement,
  .section-heading,
  .inner-intro { grid-template-columns: 1fr; }
  .solution-row,
  .solution-row.reverse { grid-template-columns: 50px 1fr; }
  .solution-row figure,
  .solution-row.reverse figure { min-height: 340px; }
  .application-gallery { grid-template-columns: 1fr; grid-template-rows: none; }
  .application-list { grid-template-columns: 1fr 1fr; }
  .inner-hero { min-height: 480px; grid-template-columns: 1fr; padding: 4rem 1.25rem; }
  .inner-hero::before { font-size: 2rem; }
  .inner-hero > div,
  .inner-hero-copy { grid-column: 1; }
  .inner-intro-copy { grid-template-columns: 1fr; }
  .category-item,
  .category-item:nth-child(even) { display: flex; flex-direction: column; }
  .category-item:nth-child(even) .category-media { order: 0; }
  .category-item > a.category-media,
  .category-item:nth-child(even) > a.category-media { min-height: 320px; border: 0; border-bottom: 1px solid var(--line); }
  .product-card { grid-template-columns: 1fr; }
  .product-card > a:first-child { min-height: 340px; border-right: 0; }
  .product-card-copy { padding: 2.5rem 1.25rem; }
  .product-detail-hero { display: flex; flex-direction: column; }
  .product-detail-hero > img { order: 1; min-height: 430px; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-detail-hero-copy { order: 2; min-height: 500px; padding: 3rem 1.25rem; }
  .product-detail-hero-copy::before { margin-bottom: 4rem; }
  .detail-overview { grid-template-columns: 1fr; }
  .spec-detail-grid { grid-template-columns: 1fr; }
  .parameter-table div { grid-template-columns: 1fr; }
  .application-grid { grid-template-columns: 1fr; }
}