/*
Theme Name: MGO Board Factory
Theme URI: https://mgoboardfactory.cn/
Author: MGO Board Factory
Description: A lightweight B2B export theme for a magnesium oxide board manufacturer.
Version: 1.3.0
Text Domain: mgoboard-factory
*/

:root {
  --ink: #16221e;
  --ink-2: #31433c;
  --paper: #f5f2eb;
  --paper-2: #ebe6dc;
  --white: #ffffff;
  --mineral: #d7ded7;
  --sage: #375f4e;
  --sage-dark: #24483a;
  --lime: #cce74f;
  --lime-soft: #e9f3b6;
  --clay: #c87447;
  --line: rgba(22, 34, 30, 0.14);
  --shadow: 0 24px 70px rgba(26, 42, 35, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1240px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  top: 8px;
  left: 8px;
  z-index: 100000;
  width: auto;
  height: auto;
  padding: 12px 18px;
  clip: auto;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--sage-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--lime); }

.section { padding: 112px 0; }
.section--tight { padding: 72px 0; }
.section--dark { color: var(--white); background: var(--ink); }
.section--white { background: var(--white); }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.section-heading p { margin: 0; color: var(--ink-2); font-size: 1.06rem; }
.section--dark .section-heading p { color: rgba(255,255,255,.68); }

.announcement {
  position: relative;
  z-index: 50;
  padding: 9px 0;
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.announcement__inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.announcement__status { display: inline-flex; align-items: center; gap: 8px; }
.announcement__status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(204,231,79,.12); }
.announcement__note { color: rgba(255,255,255,.62); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(245,242,235,.93);
  backdrop-filter: blur(16px);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand__mark { display: grid; place-items: center; width: 40px; height: 40px; border: 2px solid var(--ink); border-radius: 10px; transform: rotate(-3deg); }
.brand__mark span { display: block; width: 19px; height: 19px; border: 3px solid var(--sage); border-top-color: var(--lime); transform: rotate(45deg); }
.brand__text { line-height: 1; }
.brand__name { display: block; font-size: 14px; font-weight: 900; letter-spacing: .08em; }
.brand__descriptor { display: block; margin-top: 6px; color: var(--ink-2); font-size: 9px; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }

.primary-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.primary-nav a { position: relative; padding: 8px 0; font-size: 14px; font-weight: 700; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: 3px; left: 0; height: 2px; background: var(--lime); transform: scaleX(0); transform-origin: right; transition: transform .22s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.header-cta, .button--primary { color: var(--white); background: var(--sage); }
.header-cta:hover, .button--primary:hover { background: var(--sage-dark); transform: translateY(-2px); }
.button--light { color: var(--ink); background: var(--lime); }
.button--light:hover { background: #d9ef6f; transform: translateY(-2px); }
.button--ghost { border-color: var(--line); background: transparent; }
.button--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.button svg { width: 17px; height: 17px; }

.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

.hero { position: relative; overflow: hidden; min-height: 760px; padding: 88px 0 72px; }
.hero::before { content: ""; position: absolute; top: -210px; right: -150px; width: 610px; height: 610px; border: 1px solid rgba(55,95,78,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(55,95,78,.035), 0 0 0 160px rgba(55,95,78,.025); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 68px; align-items: center; }

.hero h1 { max-width: 780px; margin: 0; font-size: clamp(3.7rem, 7.1vw, 7.2rem); line-height: .86; letter-spacing: -.075em; }
.hero h1 span { color: var(--sage); }
.hero__lead { max-width: 650px; margin: 30px 0 32px; color: var(--ink-2); font-size: clamp(1.05rem, 1.7vw, 1.25rem); line-height: 1.6; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__proof { display: flex; flex-wrap: wrap; gap: 16px 28px; margin: 38px 0 0; padding: 0; list-style: none; }
.hero__proof li { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.hero__proof li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--clay); }

.material-visual { position: relative; min-height: 520px; }
.material-visual__grid { position: absolute; inset: 0; border-radius: 38px; background-image: linear-gradient(rgba(22,34,30,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(22,34,30,.055) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(to bottom, #000 70%, transparent); }

.board-stack { position: absolute; top: 92px; right: 16px; width: min(100%, 470px); aspect-ratio: 1 / .83; transform: rotate(-7deg); }
.board { position: absolute; inset: 0; border: 1px solid rgba(22,34,30,.24); border-radius: 16px; box-shadow: var(--shadow); }
.board--back { background: #aeb8ad; transform: translate(-44px, 54px); }
.board--mid { background: #d7d2c7; transform: translate(-22px, 28px); }
.board--front { overflow: hidden; background: #f6f3eb; }
.board--front::before { content: ""; position: absolute; inset: 0; opacity: .45; background-image: radial-gradient(circle at 20% 30%, rgba(55,95,78,.14), transparent 2px), radial-gradient(circle at 70% 68%, rgba(22,34,30,.12), transparent 1.5px); background-size: 42px 36px, 34px 40px; }
.board--front::after { content: "MGO"; position: absolute; right: 28px; bottom: 18px; color: rgba(22,34,30,.09); font-size: 4.5rem; font-weight: 950; letter-spacing: -.08em; }
.board__edge { position: absolute; top: 0; bottom: 0; left: 0; width: 14px; border-right: 1px solid rgba(22,34,30,.2); background: repeating-linear-gradient(to bottom, #c8c1b3 0 4px, #e7e1d7 4px 8px); }

.visual-note { position: absolute; z-index: 3; max-width: 208px; padding: 16px 18px; border: 1px solid rgba(255,255,255,.5); border-radius: 16px; color: var(--white); background: rgba(22,34,30,.88); box-shadow: 0 18px 44px rgba(22,34,30,.2); backdrop-filter: blur(8px); }
.visual-note strong { display: block; margin-bottom: 4px; font-size: 13px; }
.visual-note span { display: block; color: rgba(255,255,255,.65); font-size: 11px; line-height: 1.45; }
.visual-note--top { top: 22px; right: 4px; }
.visual-note--bottom { bottom: 18px; left: 0; color: var(--ink); background: rgba(204,231,79,.94); }
.visual-note--bottom span { color: rgba(22,34,30,.68); }

.audience-bar { border-block: 1px solid var(--line); background: rgba(255,255,255,.38); }
.audience-bar__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 100px; }
.audience-bar__label { max-width: 190px; font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.audience-list { display: flex; flex: 1; justify-content: flex-end; gap: 12px; }
.audience-list span { padding: 11px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); background: rgba(255,255,255,.5); font-size: 13px; font-weight: 700; }

.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.market-card { position: relative; overflow: hidden; min-height: 370px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.market-card:nth-child(2) { color: var(--white); background: var(--sage); }
.market-card:nth-child(3) { background: #ded8cc; }
.market-card__code { display: block; color: var(--clay); font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.market-card:nth-child(2) .market-card__code { color: var(--lime); }
.market-card h3 { margin: 68px 0 14px; font-size: 2rem; line-height: 1; letter-spacing: -.045em; }
.market-card p { margin: 0 0 24px; color: var(--ink-2); font-size: 14px; }
.market-card:nth-child(2) p { color: rgba(255,255,255,.68); }
.market-card__list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.market-card__list li { display: flex; gap: 8px; color: inherit; font-size: 12px; font-weight: 700; }
.market-card__list li::before { content: "↗"; color: var(--clay); }
.market-card:nth-child(2) .market-card__list li::before { color: var(--lime); }
.market-card__ring { position: absolute; right: -70px; top: -74px; width: 190px; height: 190px; border: 24px solid rgba(55,95,78,.08); border-radius: 50%; }
.market-card:nth-child(2) .market-card__ring { border-color: rgba(204,231,79,.08); }

.market-note { display: flex; align-items: flex-start; gap: 14px; margin-top: 20px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.48); color: var(--ink-2); font-size: 12px; }
.market-note strong { min-width: max-content; color: var(--ink); text-transform: uppercase; letter-spacing: .08em; }

.product-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.product-card { position: relative; overflow: hidden; grid-column: span 3; min-height: 390px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.66); transition: transform .22s ease, box-shadow .22s ease; }
.product-card:hover { transform: translateY(-6px); box-shadow: 0 24px 54px rgba(22,34,30,.09); }
.product-card:nth-child(2) { background: var(--sage); color: var(--white); }
.product-card:nth-child(4) { background: #ded8cc; }
.product-card__number { display: block; color: var(--clay); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.product-card:nth-child(2) .product-card__number { color: var(--lime); }
.product-card h3 { margin: 85px 0 14px; font-size: 1.55rem; line-height: 1.08; letter-spacing: -.035em; }
.product-card p { margin: 0; color: var(--ink-2); font-size: 14px; }
.product-card:nth-child(2) p { color: rgba(255,255,255,.68); }
.product-card__line { position: absolute; right: -24px; bottom: 30px; left: 30px; height: 58px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; opacity: .15; transform: skewX(-32deg); }
.product-card__tag { position: absolute; right: 24px; top: 24px; padding: 7px 10px; border: 1px solid currentColor; border-radius: 999px; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; opacity: .68; }

.catalog-intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; padding: 70px 0; }
.catalog-intro__lead h2 { margin: 0; font-size: clamp(2.5rem,5vw,4.8rem); line-height: .95; letter-spacing: -.055em; }
.catalog-intro__copy { color: var(--ink-2); }
.catalog-intro__copy p:first-child { margin-top: 0; font-size: 1.1rem; }

.catalog-group { padding: 72px 0; border-top: 1px solid var(--line); }
.catalog-group__head { display: grid; grid-template-columns: .65fr 1.35fr; gap: 40px; align-items: end; margin-bottom: 34px; }
.catalog-group__head h2 { margin: 0; font-size: clamp(2.1rem,4vw,3.8rem); line-height: .98; letter-spacing: -.05em; }
.catalog-group__head p { margin: 0; color: var(--ink-2); }
.catalog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.catalog-card { display: flex; flex-direction: column; min-height: 390px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.catalog-card:nth-child(3n+2) { background: #e6e1d7; }
.catalog-card__meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.catalog-card__code { color: var(--clay); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.catalog-card__state { padding: 5px 8px; border-radius: 999px; color: var(--sage-dark); background: var(--lime-soft); font-size: 8px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.catalog-card h3 { margin: 62px 0 12px; font-size: 1.45rem; line-height: 1.08; letter-spacing: -.035em; }
.catalog-card > p { margin: 0; color: var(--ink-2); font-size: 13px; }
.catalog-card__fit { margin: auto 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.catalog-card__fit strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.catalog-card__fit span { color: var(--ink-2); font-size: 11px; }
.catalog-disclaimer { margin: 30px 0 0; padding: 20px 24px; border-left: 4px solid var(--lime); background: var(--white); color: var(--ink-2); font-size: 12px; }

.spec-rail { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); }
.spec-rail__item { padding: 20px 22px; border-right: 1px solid var(--line); }
.spec-rail__item:last-child { border-right: 0; }
.spec-rail__item strong { display: block; margin-bottom: 4px; font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.spec-rail__item span { color: var(--ink-2); font-size: 12px; }

.performance-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 70px; align-items: start; }
.performance-intro { position: sticky; top: 130px; }
.performance-intro h2 { margin: 0 0 24px; font-size: clamp(2.5rem, 5vw, 5rem); line-height: .95; letter-spacing: -.06em; }
.performance-intro p { max-width: 480px; color: rgba(255,255,255,.64); }
.performance-disclaimer { margin-top: 30px; padding: 18px 20px; border-left: 3px solid var(--lime); color: rgba(255,255,255,.54); background: rgba(255,255,255,.04); font-size: 12px; }

.performance-list { border-top: 1px solid rgba(255,255,255,.16); }
.performance-item { display: grid; grid-template-columns: 78px 1fr; gap: 22px; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.performance-item__icon { display: grid; place-items: center; width: 58px; height: 58px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: var(--lime); }
.performance-item__icon svg { width: 25px; height: 25px; }
.performance-item h3 { margin: 0 0 8px; font-size: 1.45rem; letter-spacing: -.025em; }
.performance-item p { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; }

.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.application-card { position: relative; min-height: 270px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.application-card::after { content: ""; position: absolute; width: 180px; height: 180px; right: -70px; bottom: -80px; border: 28px solid var(--lime-soft); border-radius: 50%; }
.application-card:nth-child(2)::after, .application-card:nth-child(5)::after { border-radius: 0; transform: rotate(36deg); border-color: rgba(55,95,78,.12); }
.application-card__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; color: var(--sage); background: var(--lime-soft); }
.application-card__icon svg { width: 23px; height: 23px; }
.application-card h3 { position: relative; z-index: 1; margin: 62px 0 8px; font-size: 1.25rem; }
.application-card p { position: relative; z-index: 1; max-width: 300px; margin: 0; color: var(--ink-2); font-size: 13px; }

.application-more { display: flex; justify-content: center; margin-top: 34px; }

.application-index { display: grid; gap: 22px; padding: 72px 0 120px; }
.application-group { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--white); }
.application-group__head { display: grid; grid-template-columns: 100px 1fr .8fr; gap: 24px; align-items: start; padding: 30px 34px; border-bottom: 1px solid var(--line); background: rgba(235,230,220,.45); }
.application-group__number { color: var(--clay); font-size: 11px; font-weight: 900; letter-spacing: .16em; }
.application-group__head h2 { margin: 0; font-size: 2rem; line-height: 1; letter-spacing: -.04em; }
.application-group__head p { margin: 0; color: var(--ink-2); font-size: 13px; }
.application-matrix { display: grid; grid-template-columns: repeat(3, 1fr); }
.application-matrix__item { min-height: 180px; padding: 25px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.application-matrix__item:nth-child(3n) { border-right: 0; }
.application-matrix__item h3 { margin: 18px 0 7px; font-size: 1rem; line-height: 1.25; }
.application-matrix__item p { margin: 0; color: var(--ink-2); font-size: 12px; }
.use-tag { display: inline-flex; padding: 5px 8px; border-radius: 999px; font-size: 8px; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.use-tag--common { color: #234637; background: var(--lime-soft); }
.use-tag--project { color: #74401f; background: #f4ddca; }
.use-tag--certified { color: #fff; background: var(--sage); }

.region-readiness { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 42px; }
.region-readiness__card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.56); }
.region-readiness__card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.region-readiness__card p { margin: 0; color: var(--ink-2); font-size: 12px; }

.legend { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 26px; color: var(--ink-2); font-size: 11px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }

.selection-panel { display: grid; grid-template-columns: .82fr 1.18fr; overflow: hidden; margin-top: 18px; border-radius: 30px; background: var(--sage); color: var(--white); }
.selection-panel__intro { padding: 54px; background: var(--sage-dark); }
.selection-panel__intro h3 { margin: 0 0 18px; font-size: 2.45rem; line-height: 1.03; letter-spacing: -.05em; }
.selection-panel__intro p { margin: 0; color: rgba(255,255,255,.64); }
.selection-panel__steps { display: grid; grid-template-columns: repeat(3,1fr); padding: 26px; gap: 1px; }
.selection-step { padding: 28px 22px; border-right: 1px solid rgba(255,255,255,.14); }
.selection-step:last-child { border-right: 0; }
.selection-step span { display: block; margin-bottom: 50px; color: var(--lime); font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.selection-step strong { display: block; margin-bottom: 8px; font-size: 15px; }
.selection-step p { margin: 0; color: rgba(255,255,255,.6); font-size: 12px; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
.process-step { min-height: 270px; padding: 34px 28px; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-step__number { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--white); background: var(--ink); font-size: 11px; font-weight: 850; }
.process-step h3 { margin: 60px 0 10px; font-size: 1.15rem; }
.process-step p { margin: 0; color: var(--ink-2); font-size: 13px; }

.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.case-card { position: relative; display: flex; flex-direction: column; min-height: 390px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.case-card:nth-child(even) { color: var(--white); background: var(--sage); }
.case-card::after { content: ""; position: absolute; right: -75px; bottom: -75px; width: 180px; height: 180px; border: 28px solid rgba(204,231,79,.18); border-radius: 50%; }
.case-card__market { color: var(--clay); font-size: 9px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.case-card:nth-child(even) .case-card__market { color: var(--lime); }
.case-card h3 { position: relative; z-index: 1; margin: 72px 0 12px; font-size: 1.55rem; line-height: 1.08; letter-spacing: -.035em; }
.case-card p { position: relative; z-index: 1; margin: 0; color: var(--ink-2); font-size: 13px; }
.case-card:nth-child(even) p { color: rgba(255,255,255,.66); }
.case-card__footer { position: relative; z-index: 1; margin-top: auto; padding-top: 24px; border-top: 1px solid currentColor; opacity: .7; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.case-method { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 24px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper); }
.case-method__item { padding: 24px; border-right: 1px solid var(--line); }
.case-method__item:last-child { border-right: 0; }
.case-method__item span { display: block; margin-bottom: 28px; color: var(--clay); font-size: 9px; font-weight: 900; }
.case-method__item strong { display: block; margin-bottom: 6px; font-size: 13px; }
.case-method__item p { margin: 0; color: var(--ink-2); font-size: 11px; }

.resource-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.resource-card { display: flex; flex-direction: column; min-height: 330px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.resource-card__topic { color: var(--clay); font-size: 9px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.resource-card h2, .resource-card h3 { margin: 54px 0 12px; font-size: 1.35rem; line-height: 1.12; letter-spacing: -.03em; }
.resource-card p { margin: 0; color: var(--ink-2); font-size: 12px; }
.resource-card__link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 24px; border-top: 1px solid var(--line); color: var(--sage); font-size: 11px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.resource-card:hover .resource-card__link { color: var(--clay); }

.topic-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 52px; }
.topic-bar span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); background: var(--white); font-size: 10px; font-weight: 800; }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 76px; }
.faq-grid h2 { margin: 0; font-size: clamp(2.6rem, 5vw, 5rem); line-height: .95; letter-spacing: -.06em; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; cursor: pointer; padding: 24px 46px 24px 0; font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 8px; top: 18px; font-size: 24px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: -4px 0 24px; padding-right: 40px; color: var(--ink-2); font-size: 14px; }

.contact-section { position: relative; overflow: hidden; color: var(--white); background: var(--sage-dark); }
.contact-section::before { content: ""; position: absolute; width: 540px; height: 540px; right: -200px; top: -200px; border: 1px solid rgba(204,231,79,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(204,231,79,.025), 0 0 0 160px rgba(204,231,79,.02); }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .78fr 1.22fr; gap: 88px; align-items: start; }
.contact-copy h2 { margin: 0 0 24px; font-size: clamp(3rem, 6vw, 6.4rem); line-height: .88; letter-spacing: -.07em; }
.contact-copy p { max-width: 440px; color: rgba(255,255,255,.65); }
.contact-points { display: grid; gap: 14px; margin: 34px 0 0; padding: 0; list-style: none; }
.contact-points li { display: flex; gap: 12px; align-items: center; font-size: 13px; font-weight: 700; }
.contact-points li::before { content: "✓"; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: var(--ink); background: var(--lime); font-size: 11px; }

.rfq-card { padding: 36px; border: 1px solid rgba(255,255,255,.15); border-radius: 26px; background: rgba(255,255,255,.07); backdrop-filter: blur(14px); }
.rfq-card h3 { margin: 0 0 6px; font-size: 1.4rem; }
.rfq-card__intro { margin: 0 0 28px; color: rgba(255,255,255,.58); font-size: 13px; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: 7px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.form-field input, .form-field textarea, .form-field select { width: 100%; border: 1px solid rgba(255,255,255,.18); border-radius: 11px; outline: none; color: var(--white); background: rgba(5,16,12,.2); transition: border-color .2s, background .2s; }
.form-field input, .form-field select { height: 50px; padding: 0 14px; }
.form-field textarea { min-height: 118px; padding: 13px 14px; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(255,255,255,.35); }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { border-color: var(--lime); background: rgba(5,16,12,.34); }
.form-field select option { color: var(--ink); }
.rfq-card .button { width: 100%; margin-top: 18px; border: 0; cursor: pointer; }
.form-note { margin: 14px 0 0; color: rgba(255,255,255,.45); font-size: 10px; line-height: 1.5; }
.form-alert { margin: 0 0 20px; padding: 13px 15px; border-radius: 10px; font-size: 13px; font-weight: 700; }
.form-alert--success { color: #263714; background: var(--lime-soft); }
.form-alert--error { color: #4a1d12; background: #ffd5c8; }
.hp-field { position: absolute !important; left: -9999px !important; }

.page-hero { padding: 100px 0 74px; border-bottom: 1px solid var(--line); }
.page-hero__inner { max-width: 900px; }
.page-hero p { max-width: 690px; margin: 24px 0 0; color: var(--ink-2); font-size: 1.1rem; }
.content-shell { max-width: 900px; margin: 0 auto; }
.entry-content { padding: 84px 0 120px; }
.entry-content h2 { margin: 2.2em 0 .7em; font-size: 2rem; line-height: 1.1; letter-spacing: -.04em; }
.entry-content h3 { margin: 1.8em 0 .6em; font-size: 1.35rem; }
.entry-content p, .entry-content li { color: var(--ink-2); }
.entry-content a { color: var(--sage); text-decoration: underline; text-underline-offset: 3px; }
.entry-content blockquote { margin: 36px 0; padding: 20px 28px; border-left: 4px solid var(--lime); background: var(--white); }
.entry-content table { width: 100%; border-collapse: collapse; }
.entry-content th, .entry-content td { padding: 14px; border: 1px solid var(--line); text-align: left; }
.entry-content th { background: var(--paper-2); }

.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); }
.post-card h2 { margin: 12px 0; font-size: 1.35rem; }
.post-card__date { color: var(--sage); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.site-footer { color: var(--white); background: #101916; }
.footer-main { display: grid; grid-template-columns: 1.4fr .6fr .6fr .8fr; gap: 54px; padding: 72px 0 58px; }
.footer-brand p { max-width: 360px; margin: 20px 0 0; color: rgba(255,255,255,.5); font-size: 13px; }
.footer-title { margin: 0 0 18px; color: rgba(255,255,255,.38); font-size: 10px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.72); font-size: 13px; }
.footer-links a:hover { color: var(--lime); }
.footer-note { color: rgba(255,255,255,.58); font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 26px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.38); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

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

@media (max-width: 1080px) {
  .primary-nav { gap: 17px; }
  .primary-nav a { font-size: 13px; }
  .hero-grid { gap: 28px; }
  .product-card { grid-column: span 6; min-height: 340px; }
  .catalog-grid, .case-grid, .resource-grid { grid-template-columns: repeat(2,1fr); }
  .application-grid { grid-template-columns: repeat(2,1fr); }
  .market-grid { grid-template-columns: 1fr 1fr; }
  .market-card:last-child { grid-column: 1 / -1; }
  .application-matrix { grid-template-columns: repeat(2,1fr); }
  .application-matrix__item:nth-child(3n) { border-right: 1px solid var(--line); }
  .application-matrix__item:nth-child(2n) { border-right: 0; }
  .selection-panel { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1.2fr .8fr .8fr; }
  .footer-main > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 82px 0; }
  .announcement__note { display: none; }
  .primary-nav { position: fixed; inset: 119px 14px auto; display: grid; gap: 0; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .2s, transform .2s; }
  .primary-nav a { padding: 14px 12px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .primary-nav a:last-child { border-bottom: 0; }
  .menu-open .primary-nav { opacity: 1; pointer-events: auto; transform: none; }
  .header-cta { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .hero { min-height: auto; padding-top: 70px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(3.6rem, 15vw, 6.3rem); }
  .material-visual { min-height: 470px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .performance-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; gap: 54px; }
  .performance-intro { position: static; }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .process-step:nth-child(2) { border-right: 0; }
  .process-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .catalog-intro, .catalog-group__head { grid-template-columns: 1fr; gap: 24px; }
  .case-method { grid-template-columns: repeat(2,1fr); }
  .case-method__item:nth-child(2) { border-right: 0; }
  .case-method__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .spec-rail { grid-template-columns: repeat(2,1fr); }
  .region-readiness { grid-template-columns: 1fr; }
  .application-group__head { grid-template-columns: 70px 1fr; }
  .application-group__head p { grid-column: 2; }
  .spec-rail__item { border-bottom: 1px solid var(--line); }
  .spec-rail__item:nth-child(2n) { border-right: 0; }
  .spec-rail__item:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .selection-panel__steps { grid-template-columns: 1fr; }
  .selection-step { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .selection-step:last-child { border-bottom: 0; }
  .selection-step span { margin-bottom: 18px; }
  .post-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .announcement { letter-spacing: .03em; }
  .header-inner { min-height: 72px; }
  .brand__descriptor { display: none; }
  .primary-nav { top: 109px; }
  .hero { padding-top: 54px; }
  .hero h1 { font-size: clamp(3.25rem, 16vw, 5rem); }
  .hero__lead { margin-top: 22px; }
  .hero__actions .button { width: 100%; }
  .hero__proof { display: grid; gap: 12px; }
  .material-visual { min-height: 390px; }
  .board-stack { top: 80px; right: -12px; width: 88%; }
  .visual-note { max-width: 178px; padding: 13px 14px; }
  .audience-bar__inner { display: block; padding: 30px 0; }
  .audience-list { flex-wrap: wrap; justify-content: flex-start; margin-top: 18px; }
  .audience-list span { font-size: 11px; }
  .product-grid { display: block; }
  .catalog-grid, .case-grid, .resource-grid { grid-template-columns: 1fr; }
  .catalog-card, .case-card { min-height: 330px; }
  .product-card { min-height: 310px; margin-bottom: 14px; }
  .product-card h3 { margin-top: 65px; }
  .application-grid { grid-template-columns: 1fr; }
  .market-grid { grid-template-columns: 1fr; }
  .market-card:last-child { grid-column: auto; }
  .market-card { min-height: 330px; }
  .market-note { display: grid; }
  .application-group__head { grid-template-columns: 1fr; padding: 26px 22px; }
  .application-group__head p { grid-column: auto; }
  .application-matrix { grid-template-columns: 1fr; }
  .application-matrix__item, .application-matrix__item:nth-child(2n), .application-matrix__item:nth-child(3n) { border-right: 0; }
  .selection-panel__intro { padding: 36px 28px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-step:last-child { border-bottom: 0; }
  .case-method { grid-template-columns: 1fr; }
  .case-method__item, .case-method__item:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-method__item:last-child { border-bottom: 0; }
  .process-step h3 { margin-top: 36px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--full { grid-column: auto; }
  .rfq-card { padding: 24px 18px; }
  .contact-copy h2 { font-size: 3.5rem; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .footer-brand, .footer-main > :last-child { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
  .post-list { grid-template-columns: 1fr; }
  .page-hero { padding: 70px 0 52px; }
}