:root {
  --bg: #101315;
  --bg-deep: #0b0d0e;
  --surface: #171b1e;
  --surface-2: #1d2225;
  --surface-3: #242a2d;
  --text: #edf2f3;
  --muted: #a7b1b4;
  --faint: #6f7a7e;
  --line: rgba(231, 239, 241, 0.12);
  --line-strong: rgba(231, 239, 241, 0.22);
  --accent: #35d1ae;
  --accent-dark: #06261f;
  --accent-soft: rgba(53, 209, 174, 0.11);
  --paper: #f2f5f5;
  --paper-text: #111516;
  --radius: 8px;
  --container: 1240px;
  --shadow: 0 28px 80px rgba(1, 4, 5, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }

::selection { color: #07110f; background: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  z-index: 60;
  display: grid;
  grid-template-columns: minmax(290px, 390px) 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(var(--container), calc(100% - 36px));
  min-height: 70px;
  padding: 8px 12px 8px 18px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  background: rgba(247, 249, 249, 0.96);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; min-width: 0; }
.brand img { width: min(100%, 360px); max-height: 50px; object-fit: contain; object-position: left center; }

.desktop-nav { display: flex; justify-content: flex-end; align-items: center; gap: 2px; color: #1a2022; }
.desktop-nav > a,
.nav-group > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 13px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease;
}

.desktop-nav > a:hover,
.nav-group:hover > a { color: #0b6653; background: rgba(6, 102, 83, 0.08); }

.nav-group { position: relative; }
.mega-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: -160px;
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 0;
  width: 680px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(16, 19, 21, 0.98);
  box-shadow: var(--shadow);
  transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
}

.nav-group:hover .mega-menu,
.nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.solution-menu { width: 760px; }
.mega-intro { padding: 24px; border-radius: 6px; background: var(--surface-2); }
.mega-intro span { display: block; margin-bottom: 12px; color: var(--accent); font-size: 12px; font-weight: 800; }
.mega-intro strong { display: block; margin-bottom: 10px; font-size: 23px; line-height: 1.35; }
.mega-intro p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.mega-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; padding: 6px 0 6px 8px; }
.mega-links a { display: flex; flex-direction: column; justify-content: center; min-height: 88px; padding: 14px 16px; border-radius: 6px; transition: background 180ms ease; }
.mega-links a:hover { background: var(--surface-2); }
.mega-links span { font-size: 15px; font-weight: 800; }
.mega-links small { margin-top: 7px; color: var(--faint); font-size: 10px; line-height: 1.35; }

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  color: #062019;
  background: var(--accent);
  font-size: 14px;
  font-weight: 850;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease;
}
.header-cta:hover { transform: translateY(-2px); background: #58dcbe; }
.header-cta:active, .btn:active { transform: translateY(1px); }

.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid rgba(16, 19, 21, 0.14); border-radius: 6px; background: transparent; }
.menu-toggle span { display: block; width: 19px; height: 2px; margin: 5px auto; background: #14191a; }
.mobile-nav { display: none; }

.home-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(460px, 1.12fr);
  gap: 52px;
  align-items: center;
  min-height: 92dvh;
  padding: 112px max(28px, calc((100vw - var(--container)) / 2)) 54px;
  overflow: hidden;
  background: linear-gradient(135deg, #121618 0%, #101315 58%, #151b1d 100%);
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 58%);
}

.hero-copy, .hero-media { position: relative; z-index: 1; }
.hero-kicker { margin-bottom: 18px; color: var(--accent); font-size: 12px; font-weight: 850; letter-spacing: 0.08em; text-transform: uppercase; }
.home-hero h1 { max-width: 720px; margin-bottom: 24px; font-size: 66px; line-height: 1.06; letter-spacing: 0; }
.home-hero h1 span { display: block; color: var(--accent); }
.home-hero h1, .home-hero h1 span { white-space: nowrap; }
.hero-lead { max-width: 650px; margin-bottom: 30px; color: #c0c9cb; font-size: 20px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 6px; font-size: 15px; font-weight: 820; white-space: nowrap; transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.btn.primary { color: #062019; background: var(--accent); }
.btn.primary:hover { background: #58dcbe; transform: translateY(-2px); }
.btn.secondary { color: var(--text); border-color: var(--line-strong); background: rgba(255, 255, 255, 0.03); }
.btn.secondary:hover { border-color: rgba(53, 209, 174, 0.55); background: var(--accent-soft); transform: translateY(-2px); }

.hero-media { align-self: stretch; min-height: 610px; margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--surface); }
.hero-media img { width: 100%; height: 100%; min-height: 610px; object-fit: cover; filter: saturate(0.75) contrast(1.05); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,19,21,0.3), transparent 44%), linear-gradient(0deg, rgba(7,10,11,0.72), transparent 40%); }
.hero-media figcaption { position: absolute; z-index: 1; right: 26px; bottom: 24px; left: 26px; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; }
.hero-media figcaption strong { max-width: 540px; font-size: 21px; line-height: 1.45; }
.hero-media figcaption span { padding: 10px 12px; border: 1px solid rgba(255,255,255,0.28); border-radius: 6px; color: #e4ebec; background: rgba(8,11,12,0.58); font-size: 12px; backdrop-filter: blur(10px); }

.proof-strip { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); align-items: stretch; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-deep); }
.proof-strip > div { min-height: 122px; padding: 28px; border-right: 1px solid var(--line); }
.proof-strip > div:first-child { padding-left: max(28px, calc((100vw - var(--container)) / 2)); }
.proof-strip > div:last-child { padding-right: max(28px, calc((100vw - var(--container)) / 2)); border-right: 0; }
.proof-strip span { display: block; margin-bottom: 8px; color: var(--faint); font-size: 12px; }
.proof-strip strong { font-size: 24px; line-height: 1.2; }
.proof-strip p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.content-band, .catalog-hero, .detail-hero, .contact-band { padding-left: max(28px, calc((100vw - var(--container)) / 2)); padding-right: max(28px, calc((100vw - var(--container)) / 2)); }
.content-band { padding-top: 104px; padding-bottom: 104px; }
.section-title { max-width: 760px; margin-bottom: 46px; }
.section-title.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-title > span, .deliverable-copy > span, .contact-band > div > span { display: block; margin-bottom: 14px; color: var(--accent); font-size: 12px; font-weight: 820; letter-spacing: 0.06em; text-transform: uppercase; }
.section-title h2, .deliverable-copy h2, .contact-band h2 { margin-bottom: 16px; font-size: 54px; line-height: 1.1; letter-spacing: 0; }
.section-title p, .deliverable-copy p { max-width: 680px; margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }

.problem-band { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 80px; align-items: start; background: var(--paper); color: var(--paper-text); }
.problem-band .section-title > span { color: #08745d; }
.problem-band .section-title p { color: #586366; }
.problem-list { display: grid; }
.problem-list article { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid rgba(17,21,22,0.15); }
.problem-list article:last-child { border-bottom: 0; }
.problem-list span { color: #08745d; font-size: 13px; font-weight: 850; }
.problem-list h3 { margin-bottom: 9px; font-size: 22px; }
.problem-list p { margin: 0; color: #566164; line-height: 1.75; }

.product-showcase { background: #121618; }
.product-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; grid-template-rows: repeat(2, minmax(270px, auto)); gap: 14px; }
.product-tile { position: relative; display: flex; flex-direction: column; min-height: 270px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform 220ms ease, border-color 220ms ease; }
.product-tile:hover { transform: translateY(-4px); border-color: rgba(53,209,174,0.55); }
.product-tile:first-child { grid-row: span 2; min-height: 554px; background: linear-gradient(145deg, #20302c, #161b1d 62%); }
.product-tile:nth-child(3) { background: #1b2023; }
.product-tile:nth-child(4) { background: linear-gradient(145deg, #171b1e, #1d2825); }
.product-tile small { margin-bottom: auto; color: var(--accent); font-size: 11px; font-weight: 780; }
.product-tile h3 { max-width: 520px; margin: 24px 0 14px; font-size: 38px; line-height: 1.15; }
.product-tile p { max-width: 620px; margin: 0 0 24px; color: var(--muted); line-height: 1.75; }
.product-tile ul { display: grid; gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; color: #cbd3d5; }
.product-tile li::before { content: "+"; margin-right: 10px; color: var(--accent); }
.tile-link { margin-top: auto; color: var(--accent); font-weight: 820; }

.operating-band { overflow: hidden; background: var(--bg-deep); }
.operating-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 64px; align-items: start; }
.operating-stages { display: grid; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.operating-stages article { display: grid; grid-template-columns: 74px 1fr; gap: 24px; padding: 28px; border-bottom: 1px solid var(--line); background: var(--surface); }
.operating-stages article:last-child { border-bottom: 0; }
.operating-stages span { color: var(--accent); font-weight: 850; }
.operating-stages h3 { margin-bottom: 7px; font-size: 21px; }
.operating-stages p { margin: 0; color: var(--muted); line-height: 1.7; }

.industry-band { background: #141819; }
.industry-nav { display: grid; grid-template-columns: 0.9fr 1.1fr; min-height: 620px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.industry-list { display: grid; align-content: stretch; background: var(--surface); }
.industry-list a { display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 16px; padding: 22px 26px; border-bottom: 1px solid var(--line); transition: color 180ms ease, background 180ms ease; }
.industry-list a:last-child { border-bottom: 0; }
.industry-list a:hover, .industry-list a.is-featured { color: var(--accent); background: var(--surface-2); }
.industry-list span { color: var(--faint); font-size: 12px; }
.industry-list strong { font-size: 19px; }
.industry-list em { font-style: normal; }
.industry-visual { position: relative; min-height: 620px; }
.industry-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.72); }
.industry-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,10,11,0.86), transparent 62%); }
.industry-visual div { position: absolute; z-index: 1; right: 34px; bottom: 32px; left: 34px; }
.industry-visual span { color: var(--accent); font-size: 12px; font-weight: 820; }
.industry-visual h3 { max-width: 650px; margin: 12px 0 14px; font-size: 44px; line-height: 1.12; }
.industry-visual p { max-width: 620px; margin-bottom: 24px; color: #c4cdcf; line-height: 1.75; }

.manufacturing-band { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 0; padding: 0; background: var(--paper); color: var(--paper-text); }
.manufacturing-media { position: relative; min-height: 680px; overflow: hidden; }
.manufacturing-media img { width: 100%; height: 100%; object-fit: cover; }
.manufacturing-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px max(34px, calc((100vw - var(--container)) / 2)); padding-left: 64px; }
.manufacturing-copy > span { margin-bottom: 16px; color: #08745d; font-size: 12px; font-weight: 850; }
.manufacturing-copy h2 { margin-bottom: 20px; font-size: 56px; line-height: 1.08; }
.manufacturing-copy > p { max-width: 610px; color: #4e5a5d; font-size: 17px; line-height: 1.8; }
.manufacturing-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 26px 0 32px; border: 1px solid rgba(17,21,22,0.14); background: rgba(17,21,22,0.14); }
.manufacturing-points span { padding: 15px 16px; background: var(--paper); font-weight: 760; }
.manufacturing-copy .btn.primary { align-self: flex-start; }

.case-preview { background: #121618; }
.case-feature-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 14px; }
.featured-case { position: relative; min-height: 530px; overflow: hidden; border-radius: var(--radius); }
.featured-case img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.7); }
.featured-case::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,9,10,0.92), transparent 68%); }
.featured-case div { position: absolute; z-index: 1; right: 30px; bottom: 28px; left: 30px; }
.featured-case span { color: var(--accent); font-size: 12px; font-weight: 820; }
.featured-case h3 { max-width: 560px; margin: 10px 0 12px; font-size: 33px; line-height: 1.25; }
.featured-case p { max-width: 620px; margin: 0; color: #c1cacb; line-height: 1.75; }
.case-mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.case-mini-grid article { min-height: 258px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.case-mini-grid span { color: var(--accent); font-size: 12px; font-weight: 820; }
.case-mini-grid h3 { margin: 18px 0 12px; font-size: 22px; line-height: 1.35; }
.case-mini-grid p { margin: 0; color: var(--muted); line-height: 1.7; }

.delivery-band { background: var(--bg-deep); }
.delivery-rail { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-strong); }
.delivery-rail article { position: relative; min-height: 280px; padding: 34px 26px 26px; border-right: 1px solid var(--line); }
.delivery-rail article:last-child { border-right: 0; }
.delivery-rail span { color: var(--accent); font-size: 13px; font-weight: 850; }
.delivery-rail h3 { margin: 72px 0 14px; font-size: 24px; }
.delivery-rail p { margin: 0; color: var(--muted); line-height: 1.75; }

.faq-band { background: #141819; }
.faq-list { max-width: 900px; margin-left: auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item summary { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 24px 0; cursor: pointer; list-style: none; font-size: 18px; font-weight: 780; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { color: var(--accent); font-size: 24px; font-weight: 400; transition: transform 180ms ease; }
.faq-item[open] summary span { transform: rotate(45deg); }
.faq-item p { max-width: 760px; margin: -6px 0 24px; color: var(--muted); line-height: 1.8; }

.contact-band { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding-top: 70px; padding-bottom: 70px; background: var(--accent); color: #071613; }
.contact-band h2 { max-width: 720px; margin-bottom: 12px; }
.contact-band p { max-width: 720px; margin: 0; color: #15463b; line-height: 1.75; }
.contact-band > div > span { color: #0b5d4b; }
.contact-band > a { display: grid; min-width: 280px; padding: 24px; border: 1px solid rgba(7,22,19,0.26); border-radius: var(--radius); background: rgba(255,255,255,0.25); }
.contact-band small { color: #174a3e; font-weight: 760; }
.contact-band strong { margin: 8px 0 16px; font-size: 30px; }
.contact-band a span { font-size: 14px; font-weight: 820; }

.site-footer { display: grid; grid-template-columns: 1.6fr 0.72fr 0.72fr 0.8fr; gap: 50px; padding: 64px max(28px, calc((100vw - var(--container)) / 2)) 26px; background: #090b0c; }
.footer-brand img { width: min(100%, 360px); padding: 8px 10px; border-radius: 4px; background: #fff; }
.footer-brand p { max-width: 500px; margin: 20px 0 0; color: var(--muted); line-height: 1.75; }
.footer-column, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; }
.footer-column strong, .footer-contact strong { margin-bottom: 8px; font-size: 14px; }
.footer-column a, .footer-contact span { color: var(--muted); font-size: 13px; }
.footer-column a:hover { color: var(--accent); }
.footer-contact a { color: var(--accent); font-size: 21px; font-weight: 850; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 24px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }

/* Catalog pages */
.catalog-hero { display: grid; grid-template-columns: 1fr 0.7fr; gap: 64px; align-items: end; min-height: 580px; padding-top: 150px; padding-bottom: 76px; background: linear-gradient(145deg, #111516, #1a2122); }
.catalog-hero h1 { max-width: 820px; margin-bottom: 20px; font-size: 78px; line-height: 1.02; }
.catalog-hero-copy > p:last-child { max-width: 720px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.catalog-aside { display: grid; gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); }
.catalog-aside div { padding: 20px; background: var(--surface); }
.catalog-aside span { display: block; color: var(--faint); font-size: 12px; }
.catalog-aside strong { display: block; margin-top: 7px; font-size: 20px; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.catalog-card { display: grid; min-height: 380px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform 200ms ease, border-color 200ms ease; }
.catalog-card:hover { transform: translateY(-4px); border-color: rgba(53,209,174,0.5); }
.catalog-card small { color: var(--accent); font-size: 11px; font-weight: 800; }
.catalog-card h2 { margin: 34px 0 14px; font-size: 34px; line-height: 1.2; }
.catalog-card p { max-width: 650px; color: var(--muted); line-height: 1.75; }
.catalog-card ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 22px; margin: 20px 0 30px; padding: 0; list-style: none; color: #c9d1d3; font-size: 14px; }
.catalog-card li::before { content: "+"; margin-right: 8px; color: var(--accent); }
.catalog-card .tile-link { align-self: end; }
.solution-catalog-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.solution-catalog-card { grid-column: span 4; display: flex; flex-direction: column; min-height: 390px; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform 200ms ease, border-color 200ms ease; }
.solution-catalog-card:first-child { grid-column: span 8; }
.solution-catalog-card:hover { transform: translateY(-4px); border-color: rgba(53,209,174,0.5); }
.solution-catalog-card figure { height: 190px; margin: 0; overflow: hidden; }
.solution-catalog-card:first-child figure { height: 260px; }
.solution-catalog-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.72); transition: transform 500ms ease; }
.solution-catalog-card:hover img { transform: scale(1.035); }
.solution-catalog-card > div { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.solution-catalog-card small { color: var(--accent); font-weight: 800; }
.solution-catalog-card h2 { margin: 18px 0 12px; font-size: 28px; }
.solution-catalog-card p { color: var(--muted); line-height: 1.7; }
.solution-catalog-card .tile-link { margin-top: auto; }
.case-library-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.case-library-grid article { min-height: 230px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.case-library-grid span { color: var(--accent); font-size: 12px; font-weight: 820; }
.case-library-grid h3 { margin: 18px 0 12px; font-size: 20px; line-height: 1.35; }
.case-library-grid p { margin: 0; color: var(--muted); line-height: 1.7; }

/* Detail pages */
.detail-hero { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 52px; align-items: center; min-height: 760px; padding-top: 125px; padding-bottom: 54px; background: linear-gradient(145deg, #111516, #161c1e); }
.back-link { display: inline-flex; margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--accent); }
.detail-hero h1 { max-width: 720px; margin-bottom: 22px; font-size: 64px; line-height: 1.08; }
.detail-lead { max-width: 680px; margin-bottom: 28px; color: #bdc6c8; font-size: 18px; line-height: 1.8; }
.detail-hero-media { position: relative; min-height: 570px; margin: 0; overflow: hidden; border-radius: var(--radius); }
.detail-hero-media img { width: 100%; height: 570px; object-fit: cover; filter: saturate(0.72); }
.detail-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,9,10,0.86), transparent 58%); }
.detail-hero-media figcaption { position: absolute; z-index: 1; right: 26px; bottom: 24px; left: 26px; }
.detail-hero-media figcaption strong { display: block; margin-bottom: 8px; color: var(--accent); font-size: 13px; }
.detail-hero-media figcaption span { color: #d5dcde; line-height: 1.65; }
.challenge-band { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 70px; background: var(--paper); color: var(--paper-text); }
.challenge-band .section-title > span { color: #08745d; }
.challenge-band .section-title p { color: #586366; }
.challenge-list { display: grid; }
.challenge-list div { display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start; padding: 22px 0; border-bottom: 1px solid rgba(17,21,22,0.14); }
.challenge-list span { color: #08745d; font-size: 12px; font-weight: 850; }
.challenge-list p { margin: 0; font-size: 19px; line-height: 1.55; font-weight: 700; }
.capability-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.capability-card { grid-column: span 4; min-height: 280px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.capability-card:nth-child(1), .capability-card:nth-child(5) { background: linear-gradient(145deg, #1c2825, var(--surface)); }
.capability-index { display: block; color: var(--accent); font-size: 12px; font-weight: 850; }
.capability-card h3 { margin: 64px 0 14px; font-size: 23px; }
.capability-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.process-band { background: var(--bg-deep); }
.process-track { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-strong); }
.process-track div { min-height: 210px; padding: 28px; border-right: 1px solid var(--line); }
.process-track div:last-child { border-right: 0; }
.process-track span { display: block; margin-bottom: 70px; color: var(--accent); font-size: 13px; font-weight: 850; }
.process-track strong { font-size: 20px; line-height: 1.45; }
.deliverable-band { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 80px; align-items: start; background: #151a1b; }
.deliverable-list { display: grid; border-top: 1px solid var(--line-strong); }
.deliverable-list div { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.deliverable-list span { color: var(--accent); font-size: 12px; font-weight: 850; }
.deliverable-list strong { font-size: 18px; }
.case-band { background: #111516; }
.case-grid { display: grid; grid-template-columns: 1.15fr 0.85fr 0.85fr; gap: 14px; }
.case-grid.four { grid-template-columns: repeat(2, 1fr); }
.case-card { min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.case-card:first-child { background: linear-gradient(145deg, #20302c, #171b1e); }
.case-card span { color: var(--accent); font-size: 12px; font-weight: 850; }
.case-card h3 { margin: 54px 0 14px; font-size: 23px; line-height: 1.35; }
.case-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.architecture-band { background: var(--bg-deep); }
.architecture-stack { display: grid; max-width: 980px; margin-left: auto; }
.architecture-stack div { display: grid; grid-template-columns: 60px 180px 1fr; gap: 22px; align-items: center; min-height: 96px; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.architecture-stack div:first-child { border-top: 1px solid var(--line); }
.architecture-stack span { color: var(--accent); font-size: 12px; font-weight: 850; }
.architecture-stack strong { font-size: 19px; }
.architecture-stack p { margin: 0; color: var(--muted); line-height: 1.7; }
.scenario-band { background: #151a1b; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.scenario-grid span { min-height: 116px; padding: 26px; background: var(--surface); font-size: 19px; font-weight: 780; }
.outcome-band { background: var(--paper); color: var(--paper-text); }
.outcome-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid rgba(17,21,22,0.14); background: rgba(17,21,22,0.14); }
.outcome-list div { display: grid; grid-template-columns: 34px 1fr; align-items: center; min-height: 110px; padding: 24px; background: var(--paper); }
.outcome-list span { color: #08745d; font-weight: 900; }
.outcome-list strong { font-size: 18px; line-height: 1.55; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 620ms cubic-bezier(.16,1,.3,1), transform 620ms cubic-bezier(.16,1,.3,1); transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .home-hero h1, .detail-hero h1 { font-size: 58px; }
  .catalog-hero h1 { font-size: 68px; }
  .section-title h2, .deliverable-copy h2, .contact-band h2 { font-size: 48px; }
  .manufacturing-copy h2 { font-size: 50px; }
  .site-header { grid-template-columns: minmax(250px, 1fr) auto auto; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .header-cta { min-height: 44px; }
  .mobile-nav { position: fixed; inset: 96px 18px auto; z-index: 55; max-height: calc(100dvh - 112px); padding: 14px; overflow-y: auto; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(12,15,16,0.98); box-shadow: var(--shadow); }
  .mobile-nav.is-open { display: block; }
  .mobile-nav > a { display: block; padding: 14px; border-bottom: 1px solid var(--line); font-weight: 820; }
  .mobile-subnav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; padding: 8px 0 16px; }
  .mobile-subnav a { padding: 10px 14px; border-radius: 6px; color: var(--muted); background: var(--surface); font-size: 13px; }
  .home-hero, .detail-hero { grid-template-columns: 1fr; min-height: auto; }
  .home-hero { padding-top: 130px; }
  .hero-media { min-height: 520px; }
  .hero-media img { min-height: 520px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip > div:first-child { grid-column: 1 / -1; padding-left: 28px; }
  .problem-band, .operating-layout, .challenge-band, .deliverable-band { grid-template-columns: 1fr; gap: 34px; }
  .industry-nav { grid-template-columns: 1fr; }
  .industry-list { grid-template-columns: repeat(2, 1fr); }
  .industry-list a { border-right: 1px solid var(--line); }
  .manufacturing-band { grid-template-columns: 1fr; }
  .manufacturing-media { min-height: 520px; }
  .manufacturing-copy { padding: 64px 28px; }
  .case-feature-grid { grid-template-columns: 1fr; }
  .delivery-rail { grid-template-columns: repeat(2, 1fr); }
  .catalog-hero { grid-template-columns: 1fr; }
  .solution-catalog-card, .solution-catalog-card:first-child { grid-column: span 6; }
  .case-library-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-card { grid-column: span 6; }
  .detail-hero-media, .detail-hero-media img { min-height: 520px; height: 520px; }
  .site-footer { grid-template-columns: 1.4fr repeat(2, .8fr); }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .site-header { top: 10px; grid-template-columns: 1fr auto; gap: 8px; width: calc(100% - 20px); min-height: 62px; padding: 7px 8px 7px 12px; }
  .brand img { width: min(100%, 245px); max-height: 44px; }
  .header-cta { display: none; }
  .mobile-nav { inset: 82px 10px auto; }
  .mobile-subnav { grid-template-columns: 1fr; }
  .home-hero, .catalog-hero, .detail-hero { padding-right: 20px; padding-left: 20px; }
  .home-hero { gap: 24px; padding-top: 94px; padding-bottom: 20px; }
  .home-hero h1 { font-size: 44px; }
  .hero-lead, .detail-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero-media, .hero-media img { min-height: 270px; }
  .hero-media figcaption { right: 18px; bottom: 18px; left: 18px; grid-template-columns: 1fr; gap: 12px; }
  .hero-media figcaption span { justify-self: start; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip > div:first-child { grid-column: auto; }
  .proof-strip > div { min-height: auto; padding: 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .content-band, .contact-band { padding-right: 20px; padding-left: 20px; }
  .content-band { padding-top: 72px; padding-bottom: 72px; }
  .section-title { margin-bottom: 30px; }
  .section-title h2, .deliverable-copy h2, .contact-band h2 { font-size: 34px; }
  .problem-list article { grid-template-columns: 40px 1fr; }
  .product-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .product-tile:first-child { grid-row: auto; min-height: 430px; }
  .product-tile { min-height: 330px; padding: 24px; }
  .operating-stages article { grid-template-columns: 48px 1fr; padding: 22px; }
  .industry-list { grid-template-columns: 1fr; }
  .industry-list a { padding: 18px 20px; border-right: 0; }
  .industry-visual { min-height: 480px; }
  .industry-visual div { right: 22px; bottom: 22px; left: 22px; }
  .manufacturing-media { min-height: 410px; }
  .manufacturing-copy { padding: 56px 20px; }
  .manufacturing-points { grid-template-columns: 1fr; }
  .case-mini-grid { grid-template-columns: 1fr; }
  .featured-case { min-height: 480px; }
  .delivery-rail { grid-template-columns: 1fr; }
  .delivery-rail article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .delivery-rail h3 { margin-top: 45px; }
  .contact-band { grid-template-columns: 1fr; gap: 28px; padding-top: 52px; padding-bottom: 52px; }
  .contact-band > a { min-width: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 30px; padding: 48px 20px 24px; }
  .footer-contact { grid-column: auto; }
  .footer-bottom { display: grid; }
  .catalog-hero { min-height: auto; gap: 34px; padding-top: 118px; padding-bottom: 60px; }
  .catalog-hero h1 { font-size: 47px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card { min-height: auto; padding: 24px; }
  .catalog-card ul { grid-template-columns: 1fr; }
  .solution-catalog-grid { display: grid; grid-template-columns: 1fr; }
  .solution-catalog-card, .solution-catalog-card:first-child { grid-column: auto; min-height: 420px; }
  .solution-catalog-card:first-child figure, .solution-catalog-card figure { height: 210px; }
  .case-library-grid { grid-template-columns: 1fr; }
  .detail-hero { gap: 22px; min-height: auto; padding-top: 94px; padding-bottom: 20px; }
  .detail-hero h1 { font-size: 42px; }
  .detail-hero-media, .detail-hero-media img { min-height: 250px; height: 250px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { grid-column: auto; min-height: 245px; }
  .capability-card h3 { margin-top: 46px; }
  .process-track { grid-template-columns: 1fr; }
  .process-track div { min-height: 150px; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-track span { margin-bottom: 38px; }
  .case-grid, .case-grid.four { grid-template-columns: 1fr; }
  .architecture-stack div { grid-template-columns: 42px 1fr; gap: 14px; padding: 20px 0; }
  .architecture-stack p { grid-column: 2; }
  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-grid span { min-height: 86px; }
  .outcome-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}