:root {
  --navy-950: #0c1d2d;
  --navy-900: #11293f;
  --navy-800: #183a58;
  --ink: #1d3148;
  --muted: #64758b;
  --line: #dfe7ee;
  --surface: #f4f7f9;
  --white: #fff;
  --coral: #ed6370;
  --coral-dark: #c94755;
  --coral-pale: #fff0f1;
  --green: #27896f;
  --container: 1240px;
  --radius: 8px;
  --shadow-sm: 0 10px 30px rgba(16, 42, 67, .07);
  --shadow-md: 0 24px 70px rgba(16, 42, 67, .14);
  --display: "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--display); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(237, 99, 112, .55); outline-offset: 3px; }
[hidden] { display: none !important; }
.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; top: 10px; left: 12px; z-index: 100; transform: translateY(-160%); padding: 10px 15px; color: var(--white); background: var(--coral); border-radius: var(--radius); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--coral-dark); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .12em; line-height: 1.2; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.section-shell { padding: 96px 0; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { color: var(--ink); letter-spacing: 0; }
h1 { margin-bottom: 24px; font-size: 64px; line-height: 1.04; }
h2 { margin-bottom: 20px; font-size: 48px; line-height: 1.08; }
h3 { margin-bottom: 12px; font-size: 1.375rem; line-height: 1.2; }
.lead { color: var(--muted); font-size: 1.125rem; line-height: 1.75; }

.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(223,231,238,.9); backdrop-filter: blur(14px); }
.notice-bar { display: flex; align-items: center; justify-content: center; min-height: 31px; padding: 6px 20px; color: #d8e6ef; background: var(--navy-950); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-align: center; text-transform: uppercase; }
.nav-shell { display: flex; align-items: center; gap: 28px; min-height: 82px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 12px; color: var(--navy-900); font-size: 19px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; color: var(--white); background: var(--coral); border-radius: var(--radius) var(--radius) var(--radius) 2px; font-size: 23px; font-weight: 800; line-height: 1; }
.brand-sub { display: block; color: #5e7285; font-size: 9px; font-weight: 700; letter-spacing: .12em; line-height: 1; text-transform: uppercase; }
.header-phone { flex: 0 0 auto; margin-left: auto; color: var(--navy-900); font-size: 13px; font-weight: 800; white-space: nowrap; }
.header-phone:hover { color: var(--coral-dark); }
.main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-link, .menu-trigger { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 8px 0; color: var(--ink); background: transparent; border: 0; font-size: 14px; font-weight: 700; }
.nav-link:hover, .menu-trigger:hover { color: var(--coral-dark); }
.chevron { transition: transform .2s ease; }
.menu-trigger[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.button, .nav-cta { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 19px; border: 1px solid transparent; border-radius: var(--radius); font-size: 13px; font-weight: 800; line-height: 1.2; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.nav-cta { color: var(--coral-dark); border-color: var(--coral); }
.nav-cta:hover, .button-primary { color: var(--white); background: var(--coral); }
.nav-cta:hover, .button-primary:hover { background: var(--coral-dark); transform: translateY(-1px); }
.button-primary { box-shadow: 0 11px 24px rgba(237,99,112,.2); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.08); }
.button-ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.75); }
.button-outline { color: var(--navy-800); background: var(--white); border-color: var(--line); }
.button-outline:hover { color: var(--coral-dark); border-color: var(--coral); }
.icon-button { display: inline-grid; place-items: center; flex: 0 0 auto; width: 44px; height: 44px; padding: 0; color: var(--ink); background: transparent; border: 0; border-radius: 50%; }
.icon-button:hover { color: var(--coral-dark); background: var(--coral-pale); }
.mobile-toggle { display: none; }
.mega-menu { position: absolute; top: 100%; right: 0; left: 0; display: none; background: rgba(255,255,255,.98); border-block: 1px solid var(--line); box-shadow: var(--shadow-md); }
.mega-menu.is-open { display: block; }
.mega-inner { padding: 26px 0 32px; }
.mega-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.mega-meta p { margin: 0; color: var(--muted); font-size: 13px; }
.mega-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.mega-item { display: flex; align-items: flex-start; gap: 10px; min-height: 62px; padding: 13px; color: var(--ink); background: var(--surface); border: 1px solid transparent; border-radius: var(--radius); font-size: 13px; font-weight: 800; line-height: 1.35; text-align: left; }
.mega-item:hover { color: var(--coral-dark); background: var(--coral-pale); border-color: #f5c4c8; }
.mega-item-index, .category-card-index, .process-number { color: var(--coral); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.mobile-menu { display: none; border-top: 1px solid var(--line); background: var(--white); }
.mobile-menu.is-open { display: block; }
.mobile-menu-inner { padding: 10px 24px 24px; }
.mobile-menu .nav-link, .mobile-menu .menu-trigger { width: 100%; justify-content: space-between; border-bottom: 1px solid var(--line); }
.mobile-categories { display: none; padding: 8px 0 6px 14px; }
.mobile-categories.is-open { display: grid; gap: 4px; }
.mobile-category { padding: 8px 0; color: var(--muted); background: transparent; border: 0; font-size: 13px; font-weight: 700; text-align: left; }

.hero { position: relative; display: flex; align-items: center; min-height: 680px; overflow: hidden; color: var(--white); background: var(--navy-900); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(10,27,42,.98), rgba(10,27,42,.78) 48%, rgba(10,27,42,.28)); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 84px 84px; mask-image: linear-gradient(90deg, black, transparent 72%); }
.hero-backdrop { position: absolute; inset: 0; z-index: 0; background: #173650 url("../images/hero-metals-generated.27e6127111dd.webp") center / cover no-repeat; }
.hero-inner { position: relative; z-index: 2; padding: 98px 0 118px; }
.hero-copy { width: min(760px, 100%); }
.hero .eyebrow { color: #ffadb2; }
.hero h1 { max-width: 850px; color: var(--white); }
.hero h1 em { color: #ffb7bc; font-style: normal; }
.hero .lead { max-width: 650px; color: #d5e0e8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 31px 0 35px; }
.hero-search { display: flex; align-items: center; gap: 12px; width: min(660px, 100%); padding: 7px 8px 7px 17px; background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.35); border-radius: var(--radius); box-shadow: 0 15px 32px rgba(0,0,0,.12); }
.hero-search input { flex: 1; min-width: 0; color: var(--ink); background: transparent; border: 0; outline: 0; font-size: 14px; }
.hero-search button { min-height: 43px; padding-inline: 17px; color: var(--white); background: var(--navy-800); border: 0; border-radius: var(--radius); font-size: 12px; font-weight: 800; }
.hero-search button:hover { background: var(--coral-dark); }
.hero-index { position: absolute; right: 0; bottom: 102px; display: flex; align-items: center; gap: 13px; color: rgba(255,255,255,.62); font-family: var(--mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; writing-mode: vertical-rl; }
.hero-index::before { content: ""; width: 1px; height: 70px; background: rgba(255,255,255,.48); }
.hero-bottom { position: absolute; right: 0; bottom: 26px; left: 0; z-index: 1; }
.hero-footnote { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.72); font-size: 12px; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 9px; background: #7cddba; border-radius: 50%; }

.intro-section, .catalog-section { background: var(--white); }
.intro-layout { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(380px, .97fr); align-items: center; gap: clamp(48px, 8vw, 126px); }
.intro-visual { position: relative; min-height: 610px; }
.intro-photo { position: absolute; inset: 0 0 84px; overflow: hidden; background: linear-gradient(145deg, #1f4561, #0e2335); border-radius: var(--radius); }
.intro-photo::before { content: ""; position: absolute; inset: 0; background: linear-gradient(145deg, rgba(8,26,40,.05), rgba(8,26,40,.72)); }
.intro-photo::after { content: "MATERIAL / FIELD 01"; position: absolute; right: 26px; bottom: 22px; color: rgba(255,255,255,.65); font-family: var(--mono); font-size: 10px; letter-spacing: .14em; }
.intro-photo-bg { position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(255,255,255,.07) 0 1px, transparent 1px 18px), linear-gradient(145deg, #345b71, #101f2c 70%); }
.intro-label { position: absolute; top: 20px; left: 22px; color: rgba(255,255,255,.7); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.intro-note { position: absolute; right: 0; bottom: 0; width: min(350px, 82%); padding: 25px 28px; color: var(--white); background: var(--coral); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.intro-note strong { display: block; margin-bottom: 9px; font-size: 17px; }
.intro-note p { margin: 0; color: rgba(255,255,255,.86); font-size: 13px; }
.intro-copy .lead { max-width: 610px; margin-bottom: 36px; }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.principle-index { color: var(--coral); font-family: var(--mono); font-size: 11px; font-weight: 700; }
.principle h4 { margin: 0 0 5px; font-size: 15px; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.categories-section { background: var(--surface); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 46px; }
.section-head h2 { max-width: 620px; margin-bottom: 0; }
.section-head .lead { max-width: 390px; margin-bottom: 3px; font-size: 14px; line-height: 1.55; }
.category-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.category-card { position: relative; display: flex; min-height: 180px; flex-direction: column; justify-content: space-between; padding: 19px; overflow: hidden; color: var(--ink); background: var(--white); border: 1px solid transparent; border-radius: var(--radius); text-align: left; transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.category-card::after { content: ""; position: absolute; right: -19px; bottom: -20px; width: 78px; height: 78px; border: 1px solid rgba(237,99,112,.22); border-radius: 50%; }
.category-card:hover, .category-card:focus-visible { border-color: #f0b6bc; box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.category-card > a { position: relative; z-index: 1; display: flex; min-height: 142px; flex-direction: column; }
.category-card-media { height: 116px; margin: -19px -19px 16px; overflow: hidden; background: var(--navy-900); }
.category-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.category-card-with-image { padding-top: 19px; }
.category-card-with-image > a { min-height: 0; }
.category-card-with-image h2 { margin-top: 0; }
.category-card h2, .category-card h3 { max-width: 190px; margin: auto 0 10px; font-size: 17px; line-height: 1.18; }
.category-card p { max-width: 190px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.category-arrow { color: var(--coral); font-size: 17px; }

.industry-section { background: var(--white); }
.industry-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); align-items: center; gap: 64px; }
.industry-photo { min-height: 360px; margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--navy-900); box-shadow: var(--shadow-md); }
.industry-photo img { display: block; width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.industry-copy { max-width: 460px; }
.industry-copy h2 { margin: 11px 0 14px; }
.industry-copy p:not(.eyebrow) { color: var(--muted); }
.industry-copy .text-link { display: inline-flex; margin-top: 19px; }

.operations-section { background: var(--surface); }
.operations-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.operation-card { margin: 0; overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.operation-card img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.operation-card figcaption { display: grid; gap: 5px; padding: 14px 15px 16px; }
.operation-card strong { font-size: 14px; line-height: 1.2; }
.operation-card span { color: var(--muted); font-size: 12px; line-height: 1.4; }
.material-gallery-section { background: var(--white); }
.material-gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.material-gallery-card { margin: 0; overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.material-gallery-card img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.material-gallery-card figcaption { display: grid; gap: 5px; padding: 16px 17px 17px; }
.material-gallery-card strong { font-size: 15px; line-height: 1.2; }
.material-gallery-card span { color: var(--muted); font-size: 12px; line-height: 1.45; }

.catalog-toolbar { display: grid; grid-template-columns: minmax(250px, 1.5fr) minmax(190px, .7fr) auto; gap: 10px; margin-bottom: 25px; }
.field-control { position: relative; display: flex; align-items: center; min-height: 54px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.field-control:focus-within { border-color: var(--coral); box-shadow: 0 0 0 3px rgba(237,99,112,.12); }
.field-control svg { flex: 0 0 auto; margin-left: 16px; color: var(--muted); }
.field-control input, .field-control select { width: 100%; min-width: 0; height: 52px; padding: 0 16px 0 12px; color: var(--ink); background: transparent; border: 0; outline: 0; font-size: 13px; }
.field-control select { cursor: pointer; }
.catalog-toolbar > .button { min-height: 54px; }
.catalog-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 34px; align-items: start; }
.filter-panel { position: sticky; top: 112px; padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.filter-panel h3 { margin-bottom: 15px; font-size: 15px; }
.filter-pills { display: grid; gap: 5px; }
.filter-pill { min-height: 38px; padding: 7px 10px; color: var(--muted); background: transparent; border: 1px solid transparent; border-radius: var(--radius); font-size: 12px; font-weight: 700; text-align: left; }
.filter-pill:hover, .filter-pill.is-active { color: var(--coral-dark); background: var(--white); border-color: #f1c1c5; }
.filter-footnote { margin: 18px 0 0; padding-top: 15px; color: var(--muted); border-top: 1px solid var(--line); font-size: 11px; }
.results-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 17px; }
.results-count, .demo-label { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.product-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.product-visual { position: relative; display: grid; place-items: center; width: 100%; min-height: 180px; color: var(--white); background: linear-gradient(145deg, #2d566e, #0d2234); border: 0; }
.product-visual.sheet { background: linear-gradient(145deg, #667985, #203c50); }
.product-visual.granule { background: radial-gradient(circle at 30% 30%, #9ba5a6 0 3%, transparent 4%), linear-gradient(145deg, #3b5d68, #132b3c); background-size: 23px 23px, auto; }
.product-visual.rod { background: repeating-linear-gradient(90deg, rgba(255,255,255,.1) 0 2px, transparent 2px 18px), linear-gradient(145deg, #526976, #1a3345); }
.visual-symbol { color: rgba(255,255,255,.88); font-family: var(--mono); font-size: 42px; font-weight: 700; letter-spacing: 0; }
.product-status { position: absolute; top: 14px; left: 14px; color: rgba(255,255,255,.7); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.product-body { padding: 18px; }
.product-category, .detail-category { color: var(--coral-dark); font-family: var(--mono); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.product-body h2, .product-body h3 { margin: 8px 0 15px; font-size: 18px; }
.product-specs { display: flex; flex-wrap: wrap; gap: 6px; }
.spec-chip { padding: 5px 8px; color: var(--muted); background: var(--surface); border-radius: var(--radius); font-family: var(--mono); font-size: 10px; }
.product-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 0; color: var(--coral-dark); background: transparent; border: 0; font-size: 12px; font-weight: 800; }
.product-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.product-actions .text-link { margin-top: 0; }
.product-request { min-height: 40px; padding: 9px 13px; font-size: 11px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 32px; color: var(--muted); font-size: 13px; }
.pagination a { padding: 9px 13px; color: var(--coral-dark); border: 1px solid var(--line); border-radius: var(--radius); font-weight: 800; }
.pagination a:hover { border-color: var(--coral); }
.empty-state { padding: 34px; text-align: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--coral-dark); font-size: 12px; font-weight: 800; }
.product-summary { display: grid; gap: 7px; margin: 0; font-size: 12px; }
.product-summary div { display: grid; grid-template-columns: 72px 1fr; gap: 10px; }
.product-summary dt { color: var(--muted); }
.product-summary dd { margin: 0; }

.page-intro { padding: 72px 0 64px; background: var(--surface); border-bottom: 1px solid var(--line); }
.page-intro h1 { max-width: 900px; font-size: 58px; }
.page-intro .lead { max-width: 760px; }
.category-intro-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 56px; align-items: center; }
.category-intro-copy .lead { max-width: 760px; }
.category-intro-photo { margin: 0; overflow: hidden; background: var(--navy-900); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.category-intro-photo img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.category-facts { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 30px; }
.category-fact { min-width: 190px; padding: 14px 18px; background: var(--white); border-left: 3px solid var(--coral); box-shadow: var(--shadow-sm); }
.category-fact strong { display: block; color: var(--navy-900); font-family: var(--mono); font-size: 24px; line-height: 1; }
.category-fact span { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 38px; color: var(--muted); font-size: 12px; }
.breadcrumbs a:hover { color: var(--coral-dark); }
.subcategories { padding: 56px 0; border-bottom: 1px solid var(--line); }
.subcategories h2 { font-size: 28px; }
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.link-grid a { display: flex; justify-content: space-between; gap: 12px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; font-weight: 700; }
.link-grid a:hover { color: var(--coral-dark); border-color: #f0b6bc; }
.mark-facts-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.mark-fact { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.mark-fact h3 { margin-bottom: 14px; font-size: 18px; }
.mark-fact ul { display: grid; gap: 8px; margin: 0; padding-left: 20px; color: var(--muted); }
.fact-note { margin-top: 20px; color: var(--muted); }
.content-section { padding: 72px 0; border-top: 1px solid var(--line); }
.content-prose { max-width: 860px; }
.content-prose h2 { font-size: 30px; }
.content-prose p { color: var(--muted); }

.product-detail { padding: 54px 0 88px; }
.product-detail-grid { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); gap: 56px; align-items: start; }
.product-detail-photo { overflow: hidden; margin: 0; background: var(--navy-900); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.product-detail-photo img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.product-detail-visual { display: grid; place-items: center; min-height: 430px; color: rgba(255,255,255,.9); background: repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 2px, transparent 2px 24px), linear-gradient(145deg, #365a70, #10283a); border-radius: var(--radius); font-family: var(--mono); font-size: 72px; font-weight: 700; }
.product-mark-link { margin-top: 12px; }
.product-mark-link a { color: var(--coral-dark); }
.spec-table { margin: 30px 0; border-top: 1px solid var(--line); }
.spec-table div { display: grid; grid-template-columns: minmax(150px, .7fr) minmax(0, 1.3fr); gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.spec-table dt { color: var(--muted); }
.spec-table dd { margin: 0; font-weight: 600; }

.catalog-search { max-width: 700px; }
.catalog-search label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 700; }
.catalog-search > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.catalog-search input { min-height: 48px; padding: 10px 13px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }

.request-band { padding: 72px 0; color: var(--white); background: var(--coral); }
.request-band h2, .request-band p { color: var(--white); }
.request-band .eyebrow { color: #6d1822; }
.request-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.request-band .button-primary { color: var(--navy-900); background: var(--white); box-shadow: none; }
.request-band .button-primary:hover { color: var(--white); background: var(--navy-900); }

.form-page { padding: 82px 0; background: var(--surface); }
.form-layout { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr); gap: 72px; align-items: start; }
.contact-note { margin-top: 30px; padding: 20px; background: var(--white); border-left: 3px solid var(--coral); }
.contact-note p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.request-form { padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.field-error { color: #9b2633; font-size: 12px; }
.request-reference { margin-top: 18px; color: var(--muted); }
.success-page { min-height: 58vh; padding: 110px 0; }
.success-page .lead { max-width: 760px; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); font-family: var(--mono); font-size: 10px; }

.process-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 0; list-style: none; }
.faq-list { display: grid; gap: 8px; max-width: 940px; }
.faq-list details { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.faq-list summary { padding: 18px 20px; color: var(--navy-900); cursor: pointer; font-weight: 800; list-style-position: inside; }
.faq-list details p { max-width: 820px; margin: 0; padding: 0 20px 20px 42px; color: var(--muted); }
.process-grid li { min-height: 185px; padding: 24px 18px 0; border-right: 1px solid rgba(255,255,255,.2); }
.process-grid li:first-child { padding-left: 0; }
.process-grid li:last-child { border-right: 0; }
.process-grid li > span { color: #ffadb2; font-family: var(--mono); font-size: 11px; }
.process-grid li h3 { margin: 34px 0 9px; }
.process-grid li p { color: #b6c7d3; font-size: 13px; }

.process-section { color: var(--white); background: var(--navy-900); }
.process-section h2, .process-section h3 { color: var(--white); }
.process-section .lead { color: #c2d1dc; }
.process-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 46px; }
.process-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid rgba(255,255,255,.2); }
.process-step { min-height: 185px; padding: 24px 18px 0 0; border-right: 1px solid rgba(255,255,255,.2); }
.process-step + .process-step { padding-left: 18px; }
.process-step:last-child { border-right: 0; }
.process-step h3 { margin: 34px 0 9px; font-size: 18px; }
.process-step p { margin: 0; color: #b6c7d3; font-size: 13px; line-height: 1.55; }
.contact-section { background: var(--surface); }
.contact-panel { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 60px; padding: 56px; background: var(--coral); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.contact-panel h2, .contact-panel p { color: var(--white); }
.contact-panel > div > p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,.86); }
.contact-aside { display: flex; align-items: flex-end; justify-content: flex-end; }
.contact-aside-card { width: min(300px, 100%); padding: 22px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); }
.contact-aside-label, .footer-title { margin-bottom: 10px; color: rgba(255,255,255,.65); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.contact-aside-card a { display: inline-block; margin-bottom: 8px; color: var(--white); font-size: 20px; font-weight: 800; }
.contact-aside-card p { margin: 0; color: rgba(255,255,255,.75); font-size: 12px; }
.site-footer { padding: 70px 0 28px; color: #b8c8d4; background: var(--navy-950); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.site-footer .brand { color: var(--white); }
.footer-note { max-width: 330px; margin: 20px 0 0; font-size: 13px; }
.footer-title { color: #ffadb2; }
.footer-links { display: grid; gap: 8px; font-size: 13px; }
.footer-links a:hover { color: var(--white); }
.footer-links span { color: #b8c8d4; line-height: 1.45; }
.footer-legal { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); font-family: var(--mono); font-size: 10px; }

.modal-wrap { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(6,19,30,.75); }
.modal-card { position: relative; z-index: 1; width: min(720px, 100%); max-height: min(780px, calc(100vh - 48px)); overflow: auto; padding: 42px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-md); }
.modal-close { position: absolute; top: 15px; right: 15px; display: grid; place-items: center; width: 42px; height: 42px; color: var(--muted); background: var(--surface); border: 0; border-radius: 50%; }
.modal-close:hover { color: var(--coral-dark); background: var(--coral-pale); }
.modal-header p:not(.eyebrow) { color: var(--muted); }
.request-context { display: none; padding: 12px 14px; margin-bottom: 18px; color: var(--navy-800); background: var(--coral-pale); border-left: 3px solid var(--coral); font-size: 13px; }
.request-context.is-visible { display: flex; gap: 10px; }
.form-error { display: none; padding: 12px 14px; margin-bottom: 16px; color: #8f2430; background: #fff1f2; border: 1px solid #f2b8bd; border-radius: var(--radius); font-size: 13px; }
.form-error.is-visible { display: block; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-field { display: grid; gap: 6px; }
.form-field.full, .consent.full { grid-column: 1 / -1; }
.form-field label { color: var(--ink); font-size: 13px; font-weight: 700; }
.required { color: var(--coral-dark); }
.form-field input, .form-field textarea, .form-field select { width: 100%; padding: 12px 13px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: 0; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(237,99,112,.12); }
.file-note, .form-disclaimer { color: var(--muted); font-size: 11px; line-height: 1.5; }
.consent { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 12px; }
.consent input { margin-top: 4px; accent-color: var(--coral); }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 18px; margin-top: 8px; border-top: 1px solid var(--line); }
.form-disclaimer { max-width: 330px; margin: 0; }
.success-state { padding-top: 20px; text-align: center; }
.success-icon { display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 16px; color: var(--green); background: #e4f5ef; border-radius: 50%; }
.detail-layout { display: grid; grid-template-columns: minmax(220px, .75fr) minmax(0, 1.25fr); gap: 28px; }
.detail-table { width: 100%; margin: 22px 0; border-collapse: collapse; font-size: 13px; }
.detail-table th, .detail-table td { padding: 9px 0; text-align: left; border-bottom: 1px solid var(--line); }
.detail-table th { width: 45%; color: var(--muted); font-weight: 600; }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; max-width: 360px; padding: 12px 16px; color: var(--white); background: var(--navy-950); border-radius: var(--radius); box-shadow: var(--shadow-md); }

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
  .reveal.in-view { opacity: 1; transform: none; }
}
@media (max-width: 1040px) {
  .main-nav { gap: 16px; }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mega-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operations-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process-step:nth-child(3) { border-right: 0; }
  .process-step:nth-child(n+4) { border-top: 1px solid rgba(255,255,255,.2); }
}
@media (max-width: 780px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section-shell { padding: 72px 0; }
  h1, .page-intro h1 { font-size: 44px; }
  h2 { font-size: 34px; }
  .main-nav, .desktop-search, .nav-shell > .nav-cta { display: none; }
  .main-nav.is-open { position: absolute; top: 100%; right: 0; left: 0; display: flex; align-items: stretch; flex-direction: column; gap: 0; padding: 12px 16px 20px; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); }
  .main-nav.is-open > a { min-height: 48px; padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .main-nav.is-open > .button { margin-top: 10px; border-bottom: 0; }
  .nav-shell { justify-content: space-between; min-height: 70px; }
  .header-phone { margin-left: auto; font-size: 12px; }
  .mobile-toggle { display: inline-grid; }
  .mobile-menu { display: none; }
  .mobile-menu.is-open { display: block; }
  .hero { min-height: 650px; }
  .hero-inner { padding: 72px 0 100px; }
  .hero-index { display: none; }
  .hero-footnote { align-items: flex-start; flex-direction: column; gap: 8px; }
  .intro-layout, .contact-panel, .form-layout, .product-detail-grid { grid-template-columns: 1fr; gap: 36px; }
  .intro-visual { min-height: 430px; }
  .section-head, .process-head { align-items: flex-start; flex-direction: column; gap: 18px; margin-bottom: 30px; }
  .category-intro-layout { grid-template-columns: 1fr; gap: 30px; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operations-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .industry-grid { grid-template-columns: 1fr; gap: 28px; }
  .industry-photo, .industry-photo img { min-height: 280px; }
  .material-gallery-grid { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr; }
  .mark-facts-grid { grid-template-columns: 1fr; }
  .catalog-toolbar, .catalog-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; }
  .filter-pills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid li { min-height: auto; padding: 22px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .process-grid li:last-child { border-bottom: 0; }
  .request-band-inner { align-items: flex-start; flex-direction: column; }
  .product-detail-visual { min-height: 300px; }
  .process-step, .process-step:nth-child(3) { min-height: auto; padding: 22px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .process-step + .process-step { padding-left: 0; }
  .process-step:last-child { border-bottom: 0; }
  .contact-panel { padding: 34px 24px; }
  .contact-aside { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-legal { grid-column: 1 / -1; }
  .footer-legal { flex-direction: column; }
  .modal-card { padding: 34px 22px 24px; }
}
@media (max-width: 520px) {
  .nav-shell { gap: 12px; }
  .brand { min-width: 0; gap: 8px; font-size: 17px; }
  .brand-sub { display: none; }
  .header-phone { font-size: 11px; }
  h1, .page-intro h1 { font-size: 36px; }
  .mega-grid, .category-grid, .product-grid, .filter-pills, .form-grid, .operations-grid { grid-template-columns: 1fr; }
  .hero-search { align-items: stretch; flex-direction: column; padding: 10px; }
  .hero-search input { min-height: 42px; }
  .hero-search button { width: 100%; }
  .principles { grid-template-columns: 1fr; }
  .intro-note { width: 90%; padding: 20px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer .button { width: 100%; }
  .detail-layout { grid-template-columns: 1fr; }
  .catalog-search > div { grid-template-columns: 1fr; }
  .spec-table div { grid-template-columns: 1fr; gap: 2px; }
  .request-form { padding: 20px; }
}

/* Conversion and mobile readability refinements */
.hero .button-secondary { color: var(--white); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.55); }
.hero .button-secondary:hover { color: var(--navy-900); background: var(--white); border-color: var(--white); }
@media (max-width: 520px) { .hero h1 { font-size: 34px; } }