:root {
  color-scheme: light;
  --navy: #0b1f33;
  --navy-2: #123149;
  --charcoal: #18222c;
  --ink: #102033;
  --muted: #5e6b78;
  --paper: #ffffff;
  --mist: #f3f6f8;
  --line: #d7dfe5;
  --line-dark: rgba(255, 255, 255, 0.18);
  --accent: #dc6b2f;
  --accent-dark: #aa4316;
  --success: #27755e;
  --radius: 6px;
  --header-height: 76px;
  --max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, Roboto, "Segoe UI", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, h4, p, figure, dl, dd, ul, ol { margin-top: 0; }
h1, h2, h3, h4 { line-height: 1.14; letter-spacing: 0; }
h1 { max-width: 17ch; margin-bottom: 22px; font-size: clamp(2.8rem, 5vw, 4.5rem); font-weight: 800; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 3.3vw, 3.15rem); font-weight: 780; }
h3 { margin-bottom: 12px; font-size: clamp(1.2rem, 1.8vw, 1.55rem); font-weight: 760; }
p { max-width: 68ch; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--accent); color: #fff; font-weight: 800; border-radius: var(--radius); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(11, 31, 51, 0.97);
  color: #fff;
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.7); border-radius: var(--radius); color: #fff; font-weight: 900; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy strong { font-size: 14px; letter-spacing: .05em; }
.brand-copy small { color: #b7c6d2; font-size: 12px; }
.site-nav { display: flex; align-items: center; gap: clamp(10px, 1.35vw, 21px); font-size: 14px; font-weight: 650; }
.site-nav a { position: relative; padding: 28px 0 25px; color: #dce7ee; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 18px; height: 2px; background: var(--accent); transition: right .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a[aria-current="page"]::after { right: 0; }
.site-nav a[aria-current="page"] { color: #fff; }
.site-nav .nav-contact { padding: 10px 14px; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--accent); color: #fff; }
.site-nav .nav-contact::after { display: none; }
.site-nav .nav-contact:hover, .site-nav .nav-contact:focus-visible { background: var(--accent-dark); border-color: var(--accent-dark); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: transparent; color: #fff; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; }

.hero {
  position: relative;
  min-height: min(78dvh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}
.hero img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,20,34,.9) 0%, rgba(6,20,34,.67) 48%, rgba(6,20,34,.16) 82%); }
.hero-inner { position: relative; z-index: 1; width: min(100%, var(--max-width)); margin: 0 auto; padding: clamp(72px, 9vw, 120px) clamp(18px, 4vw, 54px); }
.hero h1 { max-width: 23ch; font-size: clamp(2.8rem, 4.3vw, 4.1rem); }
.hero-inner p { max-width: 60ch; margin-bottom: 28px; color: #d9e5eb; font-size: clamp(1.05rem, 1.7vw, 1.3rem); }
.eyebrow { margin-bottom: 15px !important; color: var(--accent) !important; font-size: 13px !important; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 18px; border: 1px solid transparent; border-radius: var(--radius); font-weight: 780; line-height: 1.2; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:active { transform: translateY(1px) scale(.99); }
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover, .button-primary:focus-visible { background: var(--accent-dark); }
.button-secondary { border-color: rgba(255,255,255,.55); background: rgba(11,31,51,.2); color: #fff; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: #fff; background: rgba(255,255,255,.1); }
.button-outline { border-color: var(--navy); background: transparent; color: var(--navy); }
.button-outline:hover, .button-outline:focus-visible { background: var(--navy); color: #fff; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-dark); font-weight: 780; }
.text-link:hover, .text-link:focus-visible { text-decoration: underline; }

.section { padding: clamp(72px, 8vw, 112px) clamp(18px, 4vw, 54px); }
.section-inner { width: min(100%, var(--max-width)); margin: 0 auto; }
.section-muted { background: var(--mist); }
.section-navy { background: var(--navy); color: #fff; }
.section-navy p { color: #c7d5de; }
.section-heading { max-width: 780px; margin-bottom: clamp(36px, 5vw, 62px); }
.section-heading p { margin-bottom: 0; color: var(--muted); font-size: 19px; }
.section-navy .section-heading p { color: #c7d5de; }

.advantage-grid { display: grid; grid-template-columns: 1.15fr .85fr; border-top: 1px solid var(--line); }
.advantage { display: grid; grid-template-columns: 52px 1fr; gap: 18px; min-height: 170px; padding: 30px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.advantage:nth-child(2n) { border-right: 0; }
.advantage i { color: var(--accent); font-size: 32px; }
.advantage p { margin-bottom: 0; color: var(--muted); }

.product-line-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.line-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.line-card img { aspect-ratio: 4 / 3; object-fit: cover; }
.line-card-content { padding: clamp(24px, 3vw, 36px); }
.line-card-content p { color: var(--muted); }
.line-card-content .material-tags { margin-bottom: 24px; }

.material-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.material-tags span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--charcoal); font-size: 12px; font-weight: 700; }

.solution-preview { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.solution-card { position: relative; min-height: 330px; overflow: hidden; border-radius: var(--radius); background: var(--navy-2); color: #fff; }
.solution-card:nth-child(2), .solution-card:nth-child(3) { min-height: 280px; }
.solution-card img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.solution-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,24,38,.9), rgba(7,24,38,.05) 70%); }
.solution-card-content { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: 26px; }
.solution-card-content h3 { margin-bottom: 8px; }
.solution-card-content p { margin-bottom: 0; color: #d6e1e7; font-size: 15px; }

.trust-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(34px, 6vw, 84px); align-items: start; }
.document-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.document-item { min-height: 150px; padding: 24px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.document-item i { margin-bottom: 20px; color: var(--accent); font-size: 30px; }
.document-item strong, .document-item span { display: block; }
.document-item span { margin-top: 6px; color: #c8d5dc; font-size: 15px; }

.factory-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 18px; }
.factory-figure { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.factory-figure img { aspect-ratio: 4 / 3; object-fit: cover; }
.factory-figure:first-child img { aspect-ratio: 16 / 10; }
.factory-figure figcaption { padding: 16px 18px; color: var(--muted); font-size: 15px; }
.factory-figure figcaption strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: 16px; }

.page-hero { position: relative; min-height: 450px; display: flex; align-items: flex-end; overflow: hidden; background: var(--navy); color: #fff; }
.page-hero img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,24,38,.9), rgba(7,24,38,.35)); }
.page-hero-content { position: relative; z-index: 1; width: min(100%, var(--max-width)); margin: 0 auto; padding: 84px clamp(18px, 4vw, 54px) 72px; }
.page-hero h1 { max-width: 23ch; font-size: clamp(2.5rem, 4vw, 3.8rem); }
.page-hero-content p { max-width: 62ch; margin-bottom: 0; color: #d6e1e7; font-size: 19px; }
.page-hero .hero-actions { margin-top: 28px; }

.anchor-nav { position: sticky; top: var(--header-height); z-index: 20; display: flex; gap: 10px; overflow-x: auto; padding: 13px max(18px, calc((100vw - var(--max-width)) / 2 + 18px)); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); white-space: nowrap; scrollbar-width: none; backdrop-filter: blur(10px); }
.anchor-nav::-webkit-scrollbar { display: none; }
.anchor-nav a { padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--muted); font-size: 14px; font-weight: 720; }
.anchor-nav a:hover, .anchor-nav a:focus-visible { border-color: var(--accent); color: var(--accent-dark); }

.category-section + .category-section { margin-top: 76px; padding-top: 70px; border-top: 1px solid var(--line); }
.category-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; margin-bottom: 34px; }
.category-heading p { margin-bottom: 0; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { display: flex; flex-direction: column; min-height: 100%; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.product-card .product-code { margin-bottom: 18px; color: var(--accent-dark); font-size: 12px; font-weight: 820; text-transform: uppercase; letter-spacing: .04em; }
.product-card > p { color: var(--muted); font-size: 16px; }
.product-card dl { margin: auto 0 22px; }
.product-card dl div { padding: 12px 0; border-top: 1px solid var(--line); }
.product-card dt { margin-bottom: 3px; color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; }
.product-card dd { margin: 0; color: var(--ink); font-size: 15px; }
.product-card .button-row { margin-top: auto; }
.product-card .button { min-height: 44px; padding: 9px 12px; font-size: 14px; }

.dimension-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 46px; }
.dimension-panel { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.dimension-panel h3 { color: var(--accent-dark); }
.dimension-panel p { margin-bottom: 0; color: var(--muted); }

.terms-callout { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 54px; border: 1px solid var(--line); background: var(--line); }
.term { padding: 28px; background: var(--navy); color: #fff; }
.term strong { display: block; margin-bottom: 8px; color: var(--accent); font-size: 22px; }
.term p { margin-bottom: 0; color: #c9d7df; }

.solution-stack { display: grid; gap: 34px; }
.solution-detail { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 460px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.solution-detail:nth-child(even) { grid-template-columns: .95fr 1.05fr; }
.solution-detail:nth-child(even) .solution-detail-media { order: 2; }
.solution-detail-media img { height: 100%; min-height: 460px; object-fit: cover; }
.solution-detail-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(30px, 5vw, 58px); }
.solution-detail-copy > p { color: var(--muted); }
.value-list { display: grid; gap: 12px; margin: 24px 0 28px; padding: 0; list-style: none; }
.value-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; }
.value-list i { color: var(--accent); font-size: 20px; }

.process-flow { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-flow article { min-height: 190px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-flow i { margin-bottom: 22px; color: var(--accent); font-size: 32px; }
.process-flow p { margin-bottom: 0; color: var(--muted); font-size: 15px; }
.section-navy .process-flow { border-color: var(--line-dark); }
.section-navy .process-flow article { border-color: var(--line-dark); }
.section-navy .process-flow p { color: #c8d5dc; }
.process-flow-six { grid-template-columns: repeat(3, 1fr); margin-bottom: 30px; }
.process-flow-six article { min-height: 170px; }

.about-story { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.story-item { position: relative; min-height: 380px; overflow: hidden; border-radius: var(--radius); color: #fff; }
.story-item img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.story-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,24,38,.9), rgba(7,24,38,.05) 66%); }
.story-copy { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: 26px; }
.story-copy p { margin-bottom: 0; color: #d5e0e6; }

.about-intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(38px, 7vw, 92px); align-items: center; }
.about-intro p { color: var(--muted); }
.about-intro figure { margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--mist); }
.about-intro img { aspect-ratio: 4 / 3; object-fit: cover; }
.about-intro figcaption { padding: 14px 16px; color: var(--muted); font-size: 15px; }

.selection-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: clamp(34px, 6vw, 80px); align-items: center; }
.layer-diagram { display: grid; gap: 10px; padding: clamp(22px, 4vw, 38px); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.layer-band { display: grid; grid-template-columns: 145px 1fr; gap: 18px; align-items: center; min-height: 84px; padding: 18px 20px; border-left: 5px solid var(--navy); background: var(--mist); }
.layer-band strong { font-size: 18px; }
.layer-band span { color: var(--muted); font-size: 16px; }
.layer-adhesive { border-left-color: var(--accent); background: #fff4ed; }
.layer-liner { border-left-color: #61778a; }
.selection-questions h3 { margin-bottom: 22px; }
.selection-questions .value-list { margin-bottom: 0; }
.selection-questions .value-list strong { color: var(--ink); }

.decision-grid { display: grid; grid-template-columns: 1.1fr .9fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.decision-item { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; min-height: 165px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.decision-item i { grid-row: 1 / 3; color: var(--accent); font-size: 32px; }
.decision-item h3 { margin-bottom: 6px; }
.decision-item p { margin-bottom: 0; color: var(--muted); font-size: 16px; }

.workflow-benefits { display: grid; grid-template-columns: 1fr 1fr; margin-top: 30px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.workflow-benefits article { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-benefits i { color: var(--accent); font-size: 28px; }
.workflow-benefits h3 { margin-bottom: 4px; font-size: 19px; }
.workflow-benefits p { margin-bottom: 0; color: var(--muted); font-size: 15px; }
.solution-context { margin-bottom: 18px; color: var(--muted); font-size: 16px; }
.workflow-photos { margin-top: 26px; }

.quality-checks { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 22px; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.quality-checks span { padding: 17px 18px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); color: #e1e9ee; font-size: 15px; font-weight: 750; }

.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.resource-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.resource-card i { margin-bottom: 22px; color: var(--accent); font-size: 36px; }
.resource-card p { color: var(--muted); }
.resource-note { margin-top: 34px; padding: 22px 24px; border-left: 4px solid var(--accent); background: #fff7f1; color: #5d493e; }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 22px 40px 22px 0; color: var(--ink); font-size: 18px; font-weight: 760; }
.faq-list details p { padding: 0 0 24px; color: var(--muted); }

.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(40px, 7vw, 90px); align-items: start; }
.contact-panel { position: sticky; top: calc(var(--header-height) + 30px); }
.contact-details { margin-top: 36px; border-top: 1px solid var(--line); }
.contact-details div { padding: 17px 0; border-bottom: 1px solid var(--line); }
.contact-details span, .contact-details strong, .contact-details a { display: block; }
.contact-details span { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.contact-details a { color: var(--accent-dark); font-weight: 780; }
.rfq-form { display: grid; gap: 18px; padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--mist); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.rfq-form label { display: grid; gap: 7px; color: var(--charcoal); font-size: 15px; font-weight: 720; }
.rfq-form input, .rfq-form select, .rfq-form textarea { width: 100%; min-height: 49px; padding: 11px 13px; border: 1px solid #b9c5cd; border-radius: var(--radius); background: #fff; color: var(--ink); }
.rfq-form textarea { min-height: 140px; resize: vertical; }
.rfq-form input::placeholder, .rfq-form textarea::placeholder { color: #7f8b95; }
.rfq-form input:focus, .rfq-form select:focus, .rfq-form textarea:focus { outline: 3px solid rgba(220,107,47,.24); border-color: var(--accent); }
.consent { grid-template-columns: 22px 1fr !important; align-items: start; color: var(--muted) !important; font-weight: 500 !important; }
.consent input { width: 18px; min-height: 18px; margin-top: 2px; accent-color: var(--accent); }
.consent a { color: var(--accent-dark); text-decoration: underline; }
.honeypot { position: absolute !important; left: -10000px !important; }
.form-note { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.form-status { padding: 14px 16px; border: 1px solid #b9ddd1; border-radius: var(--radius); background: #edf8f4; color: #175b47; }
.form-status.error { border-color: #f0b7ab; background: #fff1ee; color: #8c2f1b; }

.legal-page { width: min(100%, 920px); min-height: 70dvh; margin: 0 auto; padding: clamp(70px, 9vw, 120px) clamp(18px, 4vw, 54px); }
.legal-page h1 { max-width: none; }
.legal-page > p { color: var(--muted); font-size: 18px; }
.legal-page section { padding: 28px 0; border-top: 1px solid var(--line); }
.legal-page section h2 { margin-bottom: 10px; font-size: 26px; }
.legal-page section p { margin-bottom: 0; color: var(--muted); }

.cta-band { padding: 52px clamp(18px, 4vw, 54px); background: var(--accent); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; width: min(100%, var(--max-width)); margin: 0 auto; }
.cta-inner h2 { max-width: 18ch; margin-bottom: 8px; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.cta-inner p { margin-bottom: 0; color: #fff3ec; }
.cta-band .button { border-color: #fff; background: #fff; color: var(--accent-dark); white-space: nowrap; }

.site-footer { padding: 58px clamp(18px, 4vw, 54px) 24px; background: var(--charcoal); color: #bdc8d0; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1fr; gap: 34px; width: min(100%, var(--max-width)); margin: 0 auto 38px; }
.footer-brand strong { display: block; margin-bottom: 10px; color: #fff; }
.footer-brand p { margin-bottom: 8px; font-size: 15px; }
.footer-col strong { display: block; margin-bottom: 13px; color: #fff; font-size: 15px; }
.footer-col a { display: block; margin: 8px 0; font-size: 15px; }
.footer-col a:hover, .footer-col a:focus-visible { color: #fff; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; width: min(100%, var(--max-width)); margin: 0 auto; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); font-size: 14px; }
.footer-bottom p { margin-bottom: 0; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Image-led catalog pages */
.visual-proof-grid { display: grid; grid-template-columns: 1.35fr .8fr .8fr; gap: 16px; }
.visual-proof-grid figure,
.application-gallery figure,
.photo-strip figure,
.contact-proof figure { position: relative; min-height: 250px; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.visual-proof-grid figure:first-child { grid-row: span 2; min-height: 516px; }
.visual-proof-grid img,
.application-gallery img,
.photo-strip img,
.contact-proof img { width: 100%; height: 100%; object-fit: cover; }
.visual-proof-grid figcaption,
.application-gallery figcaption,
.photo-strip figcaption,
.contact-proof figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 18px 16px; background: linear-gradient(0deg, rgba(7,24,38,.9), transparent); color: #fff; font-size: 15px; font-weight: 760; }

.catalog-stack { display: grid; gap: 54px; }
.catalog-section { display: grid; grid-template-columns: minmax(300px,.8fr) minmax(0,1.35fr); gap: clamp(30px,5vw,70px); align-items: start; padding-top: 46px; border-top: 1px solid var(--line); }
.catalog-section:first-child { padding-top: 0; border-top: 0; }
.catalog-media { position: sticky; top: calc(var(--header-height) + 82px); overflow: hidden; border-radius: var(--radius); background: var(--mist); }
.catalog-media img { aspect-ratio: 4 / 3; object-fit: cover; }
.catalog-media figcaption { padding: 16px 18px; color: var(--muted); font-size: 15px; }
.catalog-intro { margin-bottom: 24px; color: var(--muted); font-size: 17px; }
.catalog-list { border-top: 1px solid var(--line); }
.catalog-item { display: grid; grid-template-columns: minmax(180px,.8fr) minmax(0,1.2fr) auto; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.catalog-item h3 { margin: 0; font-size: 21px; }
.catalog-item p { margin: 0; color: var(--muted); font-size: 16px; }
.catalog-item a { color: var(--accent-dark); font-size: 15px; font-weight: 800; white-space: nowrap; }
.catalog-item a:hover { text-decoration: underline; }
.compact-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.compact-specs span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--mist); color: var(--charcoal); font-size: 14px; font-weight: 720; }

.material-table { border-top: 1px solid var(--line); }
.material-row { display: grid; grid-template-columns: 150px 1fr 1.15fr 126px; gap: 24px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.material-row h3 { margin: 0; font-size: 22px; }
.material-row p { margin: 0; color: var(--muted); font-size: 16px; }
.material-row .button { min-height: 42px; padding: 9px 12px; font-size: 14px; }

.application-gallery { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.application-gallery figure { min-height: 320px; }
.application-gallery figcaption strong { display: block; margin-bottom: 3px; font-size: 18px; }
.application-gallery figcaption span { color: #d5e0e6; font-weight: 500; }

.photo-strip { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 16px; }
.photo-strip figure { min-height: 330px; }
.photo-strip figure:first-child { min-height: 420px; }

.solution-detail { min-height: 410px; }
.solution-detail-media img { min-height: 410px; }
.solution-pair { display: inline-flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.solution-pair span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--mist); color: var(--charcoal); font-size: 14px; font-weight: 760; }
.solution-detail-copy .value-list { margin: 18px 0 24px; }
.solution-detail-copy .value-list li { font-size: 16px; }

.resource-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,68px); align-items: center; }
.resource-split img { min-height: 480px; object-fit: cover; border-radius: var(--radius); }
.resource-list { border-top: 1px solid var(--line); }
.resource-list article { display: grid; grid-template-columns: 42px 1fr auto; gap: 16px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.resource-list i { color: var(--accent); font-size: 30px; }
.resource-list h3 { margin: 0 0 4px; font-size: 20px; }
.resource-list p { margin: 0; color: var(--muted); font-size: 16px; }
.resource-list a { color: var(--accent-dark); font-size: 15px; font-weight: 800; white-space: nowrap; }

.contact-proof { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.contact-proof figure { min-height: 280px; }
.contact-panel > p { color: var(--muted); font-size: 17px; }
.contact-checklist { display: grid; gap: 12px; margin: 28px 0; padding: 0; list-style: none; }
.contact-checklist li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; align-items: start; }
.contact-checklist i { color: var(--accent); font-size: 21px; }

@media (max-width: 1120px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: calc(var(--header-height) - 1px); left: 16px; right: 16px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: var(--navy); box-shadow: 0 18px 50px rgba(0,0,0,.3); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px; }
  .site-nav a::after { display: none; }
  .site-nav .nav-contact { margin-top: 5px; text-align: center; }
  .factory-grid { grid-template-columns: 1fr 1fr; }
  .factory-figure:first-child { grid-column: 1 / -1; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .process-flow { grid-template-columns: 1fr 1fr; }
  .process-flow-six { grid-template-columns: repeat(3, 1fr); }
  .visual-proof-grid { grid-template-columns: 1fr 1fr; }
  .visual-proof-grid figure:first-child { grid-column: 1 / -1; grid-row: auto; min-height: 420px; }
  .application-gallery { grid-template-columns: 1fr 1fr; }
  .material-row { grid-template-columns: 120px 1fr 1fr; }
  .material-row .button { grid-column: 2 / -1; width: max-content; }
}

@media (max-width: 800px) {
  :root { --header-height: 68px; }
  .site-header { padding-inline: 16px; }
  .brand-copy small { display: none; }
  h1 { font-size: clamp(2.5rem, 12vw, 3.4rem); }
  .page-hero h1 { font-size: clamp(2.35rem, 10vw, 3rem); }
  h2 { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .hero { min-height: 650px; align-items: flex-end; }
  .hero::after { background: linear-gradient(0deg, rgba(6,20,34,.92), rgba(6,20,34,.25)); }
  .hero-inner { padding-top: 140px; }
  .product-line-grid, .solution-preview, .trust-layout, .category-heading, .dimension-switch, .solution-detail, .solution-detail:nth-child(even), .contact-layout, .about-intro, .selection-layout, .resource-split { grid-template-columns: 1fr; }
  .solution-detail:nth-child(even) .solution-detail-media { order: 0; }
  .solution-detail-media img { min-height: 320px; }
  .contact-panel { position: static; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .catalog-section { grid-template-columns: 1fr; }
  .catalog-media { position: static; }
  .catalog-item { grid-template-columns: 1fr; gap: 8px; }
  .catalog-item a { margin-top: 3px; }
  .photo-strip { grid-template-columns: 1fr 1fr; }
  .photo-strip figure:first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .brand-copy strong { font-size: 12px; }
  .hero-actions, .button-row { flex-direction: column; }
  .button { width: 100%; }
  .advantage-grid, .factory-grid, .product-grid, .terms-callout, .about-story, .resource-grid, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .advantage { border-right: 0; }
  .factory-figure:first-child { grid-column: auto; }
  .document-grid, .process-flow, .process-flow-six, .decision-grid, .workflow-benefits, .quality-checks { grid-template-columns: 1fr; }
  .page-hero { min-height: 420px; }
  .anchor-nav {
    top: var(--header-height);
    flex-wrap: wrap;
    overflow-x: visible;
    padding: 12px 16px;
    white-space: normal;
  }
  .anchor-nav a { flex: 1 1 calc(50% - 5px); text-align: center; font-size: 15px; }
  .footer-bottom { flex-direction: column; }
  .visual-proof-grid, .application-gallery, .photo-strip, .contact-proof { grid-template-columns: 1fr; }
  .visual-proof-grid figure:first-child, .photo-strip figure:first-child { grid-column: auto; min-height: 300px; }
  .visual-proof-grid figure, .application-gallery figure, .photo-strip figure, .contact-proof figure { min-height: 280px; }
  .material-row { grid-template-columns: 1fr; gap: 8px; }
  .material-row .button { grid-column: auto; width: 100%; margin-top: 8px; }
  .resource-list article { grid-template-columns: 36px 1fr; }
  .resource-list a { grid-column: 2; }
  .layer-band { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header, .anchor-nav { backdrop-filter: none; }
}

/* V4 image composition: preserve complete product samples in non-banner media. */
.resource-split > img[src*="realistic-v4"],
.solution-detail-media img[src*="realistic-v4"],
.about-intro img[src*="realistic-v4"] {
  object-fit: contain; background: #efefec;
}
.page-hero img[src*="solution-pharmaceutical-realistic-v4"] { object-position: 50% 64%; }
.page-hero img[src*="solution-food-beverage-realistic-v4"] { object-position: 50% 60%; }
@media (max-width: 700px) {
  .hero img[src*="hero-integrated-materials-line-realistic-v4"] { object-position: 72% center; }
}

/* V6: optional construction intake and official reference links. */
.rfq-technical { border-block: 1px solid var(--line); padding-block: 16px; }
.rfq-technical summary { cursor: pointer; font-size: 17px; font-weight: 750; }
.rfq-technical summary span { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; font-weight: 500; }
.rfq-technical > p { margin: 18px 0; }
.rfq-technical-fields { display: grid; gap: 18px; }
.reference-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 30px; padding-left: 22px; }
.reference-links a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 4px; }
.reference-links a:hover { color: var(--navy); }
.resource-note { margin-bottom: 40px; }
[hidden] { display: none !important; }
@media (max-width: 560px) { .reference-links { grid-template-columns: 1fr; } }