:root {
  --ink: #102c3a;
  --navy: #061e2c;
  --navy-soft: #0b3043;
  --cyan: #65d2e1;
  --cyan-dark: #087d98;
  --blue: #2b72ff;
  --ice: #e7f1f3;
  --mist: #f7fafb;
  --line: #c7dbe4;
  --white: #ffffff;
  --muted: #58707e;
  --amber: #e4a23b;
  --max: 1240px;
  --font-display: "Aptos Display", "Arial Narrow", "DIN Alternate", sans-serif;
  --font-body: "Aptos", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-data: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: none;
}

a { color: var(--cyan-dark); text-decoration: none; }
a:hover { color: #005f75; }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px #006b80;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--cyan);
}
.skip-link:focus { top: 12px; }

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.kicker, .data-label {
  color: #006b80;
  font: 700 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.utility {
  background: var(--navy);
  color: #c7dbe3;
  font-size: 13px;
}
.utility .container {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.utility a { color: #e4f4f7; }
.utility a,
.breadcrumbs a,
.prose a:not(.button),
.contact-panel a,
.site-footer a {
  text-decoration: underline;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}
.utility a:hover,
.breadcrumbs a:hover,
.prose a:not(.button):hover,
.contact-panel a:hover,
.site-footer a:hover { text-decoration-thickness: .14em; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--navy); }
.brand img { width: 180px; height: auto; display: block; }
.brand-copy { border-left: 1px solid var(--line); padding-left: 12px; }
.brand-copy strong { display: block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.brand-copy span { display: block; color: var(--muted); font-size: 11px; }

.main-nav ul { display: flex; align-items: center; gap: 4px; list-style: none; padding: 0; margin: 0; }
.main-nav a {
  display: block;
  padding: 27px 12px 24px;
  color: var(--ink);
  border-bottom: 3px solid transparent;
  font-size: 14px;
  font-weight: 650;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--cyan-dark); border-color: var(--cyan); }
.main-nav .nav-cta,
.main-nav .nav-cta[aria-current="page"] { padding: 10px 16px; margin-left: 6px; color: var(--white); background: var(--cyan-dark); border: 1px solid var(--cyan-dark); border-bottom-color: var(--cyan-dark); }
.main-nav .nav-cta:hover,
.main-nav .nav-cta[aria-current="page"]:hover { color: var(--white); background: var(--navy-soft); border-color: var(--navy-soft); }
.menu-button { display: none; border: 1px solid var(--line); background: var(--white); color: var(--navy); padding: 8px 11px; }

.hero {
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-bottom: 8px solid var(--cyan);
}
.hero-grid {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  align-items: center;
  gap: 70px;
  padding: 72px 0;
}
.hero h1 {
  max-width: 760px;
  margin: 14px 0 20px;
  font-family: "Arial Narrow", "Aptos Display", "Segoe UI", sans-serif;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -.045em;
}
.hero h1 em { color: #78d3e2; font-style: normal; }
.hero .lead { max-width: 720px; margin: 0 0 28px; color: #c9dbe2; font-size: 18px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 20px;
  border: 1px solid var(--cyan);
  background: var(--cyan);
  color: var(--navy);
  font-weight: 750;
  cursor: pointer;
}
.button:hover { color: var(--navy); background: #79d4e3; border-color: #79d4e3; }
.button.secondary { color: var(--white); background: transparent; border-color: #6b8b9a; }
.button.secondary:hover { border-color: var(--cyan); color: #92e4ef; }
.button.dark { color: var(--white); background: var(--navy); border-color: var(--navy); }
.button.dark:hover { color: var(--white); background: var(--navy-soft); }

.process-visual { position: relative; min-height: 500px; }
.process-visual svg { width: 100%; height: auto; display: block; }
.process-key {
  position: relative;
  width: calc(100% - 40px);
  margin: 12px 20px 0;
  padding: 16px 18px;
  color: #c9dbe2;
  background: rgba(5, 25, 38, .94);
  border: 1px solid rgba(120, 211, 226, .35);
  font-size: 13px;
}
.process-key strong { display: block; color: var(--white); margin-bottom: 4px; }
.solution-flow { stroke-dasharray: 2 14; animation: solution-flow 1.2s linear infinite; }
.stage-activity { transform-box: fill-box; transform-origin: left center; animation: stage-activity 9s ease-in-out infinite; }
.stage-two { animation-delay: -6s; }
.stage-three { animation-delay: -3s; }
.filter-pulse { transform-box: fill-box; transform-origin: center; opacity: .18; animation: filter-pulse 3s ease-out infinite; }
.filter-two .filter-pulse { animation-delay: -2s; }
.filter-three .filter-pulse { animation-delay: -1s; }
.retained-particles { transform-box: fill-box; transform-origin: center; animation: retention 2.8s ease-in-out infinite; }
.retained-particles.delayed { animation-delay: -.9s; }
.retained-particles.delayed-more { animation-delay: -1.8s; }
.wafer-scan { animation: wafer-scan 3.4s ease-in-out infinite; }
.test-scan { animation: test-scan 2.8s ease-in-out infinite; }
.status-pulse { transform-box: fill-box; transform-origin: center; animation: status-pulse 2s ease-out infinite; }
@keyframes solution-flow { to { stroke-dashoffset: -32; } }
@keyframes stage-activity { 0%, 18%, 100% { opacity: .25; transform: scaleX(.16); } 32%, 58% { opacity: 1; transform: scaleX(1); } 74% { opacity: .4; transform: scaleX(.45); } }
@keyframes filter-pulse { 0% { opacity: .65; transform: scale(.45); } 72%, 100% { opacity: 0; transform: scale(1.35); } }
@keyframes retention { 0%, 100% { opacity: .45; transform: translateX(-3px); } 50% { opacity: 1; transform: translateX(2px); } }
@keyframes wafer-scan { 0%, 100% { transform: translateY(0); opacity: .25; } 50% { transform: translateY(42px); opacity: .9; } }
@keyframes test-scan { 0%, 100% { transform: translateY(0); opacity: .35; } 50% { transform: translateY(34px); opacity: 1; } }
@keyframes status-pulse { 0% { opacity: 1; transform: scale(.65); } 70%, 100% { opacity: 0; transform: scale(2.1); } }

.proof-strip { background: var(--mist); border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { padding: 22px 24px; border-right: 1px solid var(--line); }
.proof-item:first-child { border-left: 1px solid var(--line); }
.proof-item strong { display: block; color: var(--navy); font-size: 15px; }
.proof-item span { color: var(--muted); font-size: 13px; }

.section { padding: 82px 0; }
.section.compact { padding: 56px 0; }
.section.alt { background: var(--mist); border-block: 1px solid var(--line); }
.section.dark { color: var(--white); background: var(--navy); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 480px);
  gap: 44px;
  align-items: end;
  margin-bottom: 36px;
}
.section-head h2, .page-hero h1 {
  margin: 8px 0 0;
  color: var(--navy);
  font-family: "Arial Narrow", "Aptos Display", "Segoe UI", sans-serif;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -.035em;
}
.section-head p { margin: 0; color: var(--muted); }
.dark .section-head h2 { color: var(--white); }
.dark .section-head p { color: #bfd2da; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  min-width: 0;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(13, 39, 55, .045);
}
.card h3 { margin: 10px 0 8px; color: var(--navy); font-size: 21px; line-height: 1.25; }
.card p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.card .text-link { font-weight: 750; }
.card-media { height: 210px; display: grid; place-items: center; margin: -10px -10px 22px; background: var(--ice); border: 1px solid #d9eaed; }
.card-media img { width: 100%; height: 190px; object-fit: contain; mix-blend-mode: multiply; }
.spec-line { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chip { display: inline-flex; padding: 4px 9px; color: #335867; background: var(--ice); border: 1px solid #d4e9ed; font-size: 12px; }

.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #52707f; border: 1px solid #52707f; }
.market-card { min-height: 280px; padding: 28px; color: var(--white); background: var(--navy-soft); }
.market-card .country-code { display: block; color: #7bd2e0; font: 700 13px/1 ui-monospace, monospace; letter-spacing: .18em; }
.market-card h3 { margin: 44px 0 12px; font-size: 26px; }
.market-card p { margin: 0 0 22px; color: #c3d6dd; font-size: 14px; }
.market-card a { color: #8ee3ee; font-weight: 700; }
.group-title { margin: 40px 0 18px; color: var(--navy); font-size: 24px; line-height: 1.25; }
.group-title:first-of-type { margin-top: 0; }
.gas-caution { margin-top: 28px; }
.value-note { margin: 24px 0 0; color: var(--muted); font-size: 13px; }
.dark .value-note { color: #bfd2da; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .72fr); gap: 70px; align-items: start; }
.split h2 { margin: 6px 0 18px; color: var(--navy); font-size: clamp(32px, 5vw, 50px); line-height: 1.08; }
.feature-list { display: grid; gap: 1px; margin: 24px 0; background: var(--line); border: 1px solid var(--line); }
.feature-row { display: grid; grid-template-columns: 110px 1fr; gap: 18px; padding: 16px 18px; background: var(--white); }
.feature-row strong { color: var(--navy); font: 700 13px/1.4 ui-monospace, monospace; }
.feature-row span { color: var(--muted); font-size: 14px; }

.page-hero { color: var(--white); background: var(--navy); border-bottom: 6px solid var(--cyan); }
.page-hero .container { padding-top: 72px; padding-bottom: 64px; }
.page-hero h1 { max-width: 900px; color: var(--white); font-size: clamp(42px, 7vw, 72px); }
.page-hero p { max-width: 780px; margin: 18px 0 0; color: #c9dbe2; font-size: 18px; }
.breadcrumbs { color: #8fb0bd; font-size: 13px; }
.breadcrumbs a { color: #bfe3ea; }

.product-family { scroll-margin-top: 100px; padding: 34px 0; border-top: 1px solid var(--line); }
.product-family-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 36px; align-items: start; }
.product-image { padding: 22px; background: var(--ice); border: 1px solid #d4e8eb; }
.product-image img { width: 100%; height: 240px; object-fit: contain; mix-blend-mode: multiply; }
.product-family h2 { margin: 4px 0 12px; color: var(--navy); font-size: 32px; line-height: 1.15; }
.product-family h3 { color: var(--navy); }
.product-family p { color: var(--muted); }
.spec-table-wrap { width: 100%; max-width: 100%; overflow-x: auto; margin-top: 20px; contain: inline-size; }
.spec-table-wrap:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.spec-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 14px; }
.spec-table caption { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.spec-table th { width: 180px; padding: 11px 14px; text-align: left; color: var(--white); background: var(--navy-soft); border: 1px solid #34596b; }
.spec-table td { padding: 11px 14px; color: var(--ink); background: var(--white); border: 1px solid var(--line); }
.spec-table tbody th { color: var(--ink); background: var(--white); border-color: var(--line); vertical-align: top; }
.spec-table tr:nth-child(even) td, .spec-table tbody tr:nth-child(even) th { background: var(--mist); }
.prose [id] { scroll-margin-top: 100px; }
.caution { padding: 14px 18px; color: #60420f; background: #fff6e7; border-left: 4px solid var(--amber); font-size: 13px; }

.application-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 50px; align-items: start; }
.application-layout > * { min-width: 0; }
.side-nav { position: sticky; top: 110px; border: 1px solid var(--line); background: var(--white); }
.side-nav strong { display: block; padding: 13px 16px; color: var(--white); background: var(--navy); }
.side-nav a { display: block; padding: 11px 16px; color: var(--ink); border-top: 1px solid var(--line); font-size: 14px; }
.side-nav a:hover { color: var(--cyan-dark); background: var(--ice); }
.prose { max-width: 820px; }
.prose h2 { margin: 42px 0 14px; color: var(--navy); font-size: 30px; line-height: 1.2; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 10px; color: var(--navy); }
.prose p, .prose li { color: #3f5967; }
.prose ul { padding-left: 21px; }

.rfq-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 42px; align-items: start; }
.rfq-form { padding: 30px; border: 1px solid var(--line); background: var(--white); }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--navy); font-size: 13px; font-weight: 750; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #aabec6;
  border-radius: 0;
}
.field textarea { min-height: 142px; resize: vertical; }
.field-hint { color: var(--muted); font-size: 12px; }
.form-status { min-height: 28px; margin-top: 14px; color: var(--cyan-dark); font-weight: 650; }
.contact-panel { padding: 26px; color: var(--white); background: var(--navy); }
.contact-panel h2 { margin-top: 0; }
.contact-panel a { color: #87dce7; }
.contact-panel dl { margin: 24px 0 0; }
.contact-panel dt { color: #88a9b6; font: 700 11px/1.4 ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; }
.contact-panel dd { margin: 4px 0 18px; }

.cta-band { color: var(--white); background: var(--navy-soft); border-top: 1px solid #31596c; }
.cta-inner { padding: 58px 0; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-inner h2 { margin: 0 0 6px; font-size: 32px; }
.cta-inner p { margin: 0; color: #bfd2da; }

.site-footer { color: #adc4cd; background: #071d2a; }
.footer-grid { display: grid; grid-template-columns: 1.55fr 1fr 1fr 1.2fr; gap: 38px; padding: 58px 0 42px; }
.site-footer h3 { margin: 0 0 14px; color: var(--white); font-size: 15px; }
.site-footer p, .site-footer li { font-size: 13px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b9d6de; }
.footer-brand { max-width: 230px; margin-bottom: 14px; }
.footer-bottom { padding: 18px 0; border-top: 1px solid #27414d; color: #7896a2; font-size: 12px; text-align: center; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .process-visual { max-width: 540px; min-height: 380px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .market-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3) { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .proof-item:nth-child(4) { border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .menu-button { display: block; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgba(11, 38, 56, .12); }
  .main-nav.open { display: block; }
  .main-nav ul { display: block; padding: 10px 20px 18px; }
  .main-nav a { padding: 12px 10px; border-bottom: 1px solid var(--line); }
  .main-nav .nav-cta { margin: 12px 0 0; text-align: center; }
}

@media (max-width: 740px) {
  .container { width: min(100% - 28px, var(--max)); }
  .utility .container { min-height: 42px; justify-content: center; text-align: center; }
  .utility .scope { display: none; }
  .header-inner { min-height: 68px; }
  .brand img { width: 152px; }
  .brand-copy { display: none; }
  .hero-grid { padding: 54px 0; gap: 30px; }
  .hero h1 { font-size: clamp(42px, 14vw, 62px); }
  .process-visual { min-height: 300px; }
  .proof-grid, .cards, .market-grid, .split, .section-head, .product-family-grid, .application-layout, .rfq-grid, .footer-grid { grid-template-columns: 1fr; }
  .proof-item, .proof-item:first-child, .proof-item:nth-child(3) { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .proof-item:first-child { border-top: 0; }
  .section { padding: 58px 0; }
  .section-head { gap: 16px; }
  .market-card { min-height: 230px; }
  .feature-row { grid-template-columns: 1fr; gap: 5px; }
  .product-image { max-width: 290px; }
  .side-nav { position: static; }
  .field-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* 2026-08 product architecture and process-rail system */
.site-header { background: rgba(247, 250, 251, .96); }
.header-inner { min-height: 76px; }
.main-nav { align-self: stretch; display: flex; align-items: stretch; }
.main-nav > .nav-list { display: flex; align-items: stretch; gap: 2px; }
.main-nav .nav-item { position: relative; display: flex; align-items: stretch; }
.main-nav .nav-link,
.main-nav .nav-trigger {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  font: 600 14px/1 var(--font-body);
  cursor: pointer;
}
.main-nav .nav-link:hover,
.main-nav .nav-trigger:hover,
.main-nav .nav-item.is-active > .nav-trigger,
.main-nav .nav-link[aria-current="page"] { color: var(--cyan-dark); border-bottom-color: var(--cyan-dark); }
.nav-chevron { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .18s ease; }
.nav-item.is-open .nav-chevron { transform: translateY(2px) rotate(225deg); }
.mega-panel {
  position: fixed;
  left: 0;
  right: 0;
  top: 112px;
  z-index: 120;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  color: var(--ink);
  background: rgba(247, 250, 251, .99);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 20px 38px rgba(6, 30, 44, .12);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-item.is-open .mega-panel { visibility: visible; opacity: 1; transform: none; pointer-events: auto; }
.mega-layout { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 28px 0 32px; display: grid; grid-template-columns: .9fr 1fr 1fr; gap: 34px; }
.mega-summary { padding: 22px 26px; color: var(--white); background: var(--navy); border-left: 3px solid var(--cyan); }
.mega-summary strong { display: block; margin: 10px 0 12px; font-family: var(--font-display); font-size: 27px; line-height: 1.05; font-weight: 600; letter-spacing: -.025em; }
.mega-summary p { margin: 0 0 18px; color: #bad0d8; font-size: 13px; line-height: 1.5; }
.main-nav .mega-summary a { display: inline; padding: 0; color: #9ce8f0; border: 0; font-weight: 600; }
.main-nav .mega-summary a:hover,
.main-nav .mega-summary a[aria-current="page"] { color: var(--white); border: 0; }
.mega-group { padding: 4px 0; }
.mega-group-title { display: block; margin-bottom: 10px; color: #006b80; font: 600 11px/1.3 var(--font-data); letter-spacing: .12em; text-transform: uppercase; }
.main-nav .mega-link { display: grid; gap: 2px; padding: 9px 10px; color: var(--ink); border: 0; border-left: 2px solid transparent; font-weight: 400; }
.main-nav .mega-link strong { font-size: 14px; font-weight: 600; }
.main-nav .mega-link small { color: var(--muted); font-size: 12px; line-height: 1.35; }
.main-nav .mega-link:hover,
.main-nav .mega-link:focus-visible { color: var(--navy); background: var(--white); border: 0; border-left: 2px solid var(--cyan-dark); }
.main-nav .nav-cta { align-self: center; min-height: 44px; padding: 0 16px; margin-left: 6px; color: var(--white); background: var(--cyan-dark); border: 1px solid var(--cyan-dark); font-weight: 600; }

.page-hero,
.hero { position: relative; isolation: isolate; }
.page-hero::before,
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .18;
  background-image: linear-gradient(rgba(101, 210, 225, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(101, 210, 225, .16) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000 0, transparent 84%);
}
.section { background: var(--white); }
.section.alt { background: var(--mist); }
.section.dark { background: var(--navy); }
.card { box-shadow: none; border-top: 2px solid var(--cyan-dark); transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.card:hover { border-top-color: var(--cyan); transform: translateY(-2px); }
.card-media { background: var(--white); }
.card-media img,
.product-image img { mix-blend-mode: normal; }
.kicker,
.data-label { font-family: var(--font-data); }
.hero h1,
.section-head h2,
.page-hero h1,
.split h2 { font-family: var(--font-display); font-weight: 600; }

.architecture-hero .container { padding-top: 74px; padding-bottom: 68px; }
.architecture-hero .hero-copy { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 76px; align-items: end; }
.architecture-hero h1 { max-width: 760px; }
.architecture-hero .hero-aside { padding-left: 24px; border-left: 1px solid rgba(101, 210, 225, .38); }
.architecture-hero .hero-aside p { margin-top: 0; font-size: 15px; }

.process-rail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: #43606d; border: 1px solid #43606d; }
.route-panel { position: relative; overflow: hidden; min-height: 390px; padding: 36px; color: var(--white); background: var(--navy); }
.route-panel.gas { background: #09283a; }
.route-panel::before { content: ""; position: absolute; left: 36px; right: 36px; top: 86px; height: 1px; background: rgba(101, 210, 225, .42); }
.route-panel::after { content: ""; position: absolute; left: 36px; top: 82px; width: 9px; height: 9px; background: var(--cyan); border-radius: 50%; animation: route-draw .65s ease-out both; }
.route-panel.gas::after { background: #75a7ff; animation-delay: .12s; }
@keyframes route-draw { from { transform: translateX(0); opacity: .25; } to { transform: translateX(min(34vw, 420px)); opacity: 1; } }
.route-index { color: #006b80; font: 600 11px/1.2 var(--font-data); letter-spacing: .16em; text-transform: uppercase; }
.hero .kicker,
.hero .data-label,
.page-hero .kicker,
.page-hero .data-label,
.section.dark .kicker,
.section.dark .data-label,
.contact-panel .kicker,
.contact-panel .data-label,
.mega-summary .data-label,
.route-panel .data-label,
.route-panel .route-index { color: #81dce7; }
.route-panel h2 { max-width: 520px; margin: 70px 0 12px; font-family: var(--font-display); font-size: clamp(34px, 4vw, 52px); line-height: .98; letter-spacing: -.03em; }
.route-panel > p { max-width: 570px; margin: 0 0 24px; color: #bcd2da; }
.route-branches { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 28px; }
.route-branches a,
.route-branches span { display: inline-flex; min-height: 34px; align-items: center; padding: 6px 10px; color: #d7f4f7; border: 1px solid #446879; font: 600 11px/1.25 var(--font-data); text-transform: uppercase; letter-spacing: .06em; }
.route-branches a:hover { color: var(--white); border-color: var(--cyan); background: rgba(101, 210, 225, .08); }
.route-panel .text-link { color: #8fe2ec; font-weight: 600; }

.family-list { border-top: 1px solid var(--line); }
.family-row { display: grid; grid-template-columns: 170px minmax(0, 1.35fr) minmax(200px, .65fr) minmax(50px, auto); gap: 24px; align-items: center; min-height: 124px; padding: 22px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
.family-row:hover { color: var(--ink); background: linear-gradient(90deg, rgba(231, 241, 243, .68), transparent); }
.family-type { color: var(--cyan-dark); font: 600 11px/1.45 var(--font-data); letter-spacing: .1em; text-transform: uppercase; }
.family-copy strong { display: block; margin-bottom: 5px; color: var(--navy); font-size: 19px; }
.family-copy span,
.family-use { color: var(--muted); font-size: 13px; }
.family-use { border-left: 1px solid var(--line); padding-left: 20px; }
.family-arrow { color: var(--cyan-dark); font-size: 22px; transition: transform .18s ease; }
.family-row > .identity-badge { grid-column: 4; justify-self: start; }
.family-row:hover .family-arrow { transform: translateX(4px); }

.application-routes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.application-route { padding: 30px; background: var(--white); border: 1px solid var(--line); }
.application-route.liquid { border-top: 3px solid var(--cyan-dark); }
.application-route.gas { border-top: 3px solid var(--blue); }
.application-route h2 { margin: 8px 0 18px; color: var(--navy); font-family: var(--font-display); font-size: 35px; line-height: 1; }
.application-link { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px; padding: 17px 0; color: var(--ink); border-top: 1px solid var(--line); }
.application-link strong { display: block; margin-bottom: 3px; font-size: 15px; }
.application-link span { color: var(--muted); font-size: 12px; }
.application-link b { color: var(--cyan-dark); font-size: 18px; }

.identity-badge { display: inline-flex; align-items: center; min-height: 26px; padding: 4px 8px; color: var(--navy); background: var(--ice); border-left: 2px solid var(--cyan-dark); font: 600 10px/1.25 var(--font-data); letter-spacing: .06em; text-transform: uppercase; }
.identity-badge.sourced { color: #5f4516; background: #fff6e7; border-left-color: var(--amber); }
.portfolio-section { overflow: hidden; }
.portfolio-tier { padding-top: 30px; border-top: 1px solid var(--line); }
.portfolio-tier + .portfolio-tier { margin-top: 54px; }
.portfolio-tier-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: start; margin-bottom: 24px; }
.portfolio-tier-head h3 { max-width: 760px; margin: 7px 0 8px; color: var(--navy); font-family: var(--font-display); font-size: clamp(28px, 3.5vw, 40px); line-height: 1.04; letter-spacing: -.025em; }
.portfolio-tier-head p { max-width: 780px; margin: 0; color: var(--muted); font-size: 14px; }
.portfolio-tier-head > .identity-badge { justify-self: end; margin-top: 2px; }
.engineered-product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.engineered-product-grid .card { display: flex; flex-direction: column; }
.engineered-product-grid .card h4 { margin: 10px 0 8px; color: var(--navy); font-size: 21px; line-height: 1.25; }
.engineered-product-grid .card .text-link { margin-top: auto; padding-top: 18px; }
.portfolio-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: #365363; border: 1px solid #365363; }
.portfolio-group { min-width: 0; padding: 30px; background: var(--white); }
.portfolio-group.gas-group { background: #f4f8f9; }
.portfolio-group-head { min-height: 112px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.portfolio-group-head .route-index { color: #006b80; }
.portfolio-group-head h4 { max-width: 450px; margin: 10px 0 0; color: var(--navy); font-family: var(--font-display); font-size: clamp(27px, 3vw, 37px); line-height: 1.02; letter-spacing: -.025em; }
.portfolio-route-list { display: grid; }
.portfolio-route { display: grid; grid-template-columns: 34px minmax(0, 1fr) 24px; gap: 14px; align-items: start; min-height: 158px; padding: 22px 0; color: var(--ink); border-bottom: 1px solid var(--line); }
.portfolio-route:last-child { border-bottom: 0; }
.portfolio-route:hover { color: var(--ink); background: linear-gradient(90deg, rgba(231, 241, 243, .78), transparent); }
.portfolio-route-index { padding-top: 3px; color: #006b80; font: 600 11px/1.2 var(--font-data); letter-spacing: .1em; }
.portfolio-route-copy { display: grid; gap: 7px; }
.portfolio-route-copy > strong { color: var(--navy); font-size: 18px; line-height: 1.25; }
.portfolio-route-copy > span:not(.identity-badge) { color: var(--muted); font-size: 13px; line-height: 1.55; }
.portfolio-route-copy > .identity-badge { justify-self: start; margin-top: 4px; }
.portfolio-route-arrow { padding-top: 1px; color: #006b80; font-size: 22px; transition: transform .18s ease; }
.portfolio-route:hover .portfolio-route-arrow { transform: translateX(4px); }
.portfolio-boundary-note { margin: 20px 0 0; padding-left: 15px; color: var(--muted); border-left: 2px solid var(--amber); font-size: 13px; }
.portfolio-actions { margin-top: 30px; }
.catalog-table { width: 100%; border-collapse: collapse; background: var(--white); font-size: 13px; }
.catalog-table th { padding: 12px 14px; color: var(--white); background: var(--navy-soft); text-align: left; font: 600 11px/1.35 var(--font-data); letter-spacing: .06em; text-transform: uppercase; }
.catalog-table td { padding: 14px; color: var(--muted); border-bottom: 1px solid var(--line); vertical-align: top; }
.catalog-table td:first-child { color: var(--navy); font-weight: 600; }
.catalog-table tbody tr:hover { background: var(--mist); }
.taxonomy-note { max-width: 76ch; color: var(--muted); }
.matrix-shell { width: min(1320px, calc(100% - 40px)); margin: 0 auto; }
.matrix-shell .prose { max-width: 1000px; }
.section.dark .split h2 { color: var(--white); }
.section.dark .split p { color: #bfd2da; }

@media (max-width: 1080px) {
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; max-height: calc(100dvh - 110px); overflow-y: auto; background: var(--mist); border-bottom: 1px solid var(--line); box-shadow: 0 18px 32px rgba(6, 30, 44, .15); }
  .main-nav.open { display: block; }
  .main-nav > .nav-list { display: block; padding: 10px 18px 20px; }
  .main-nav .nav-item { display: block; }
  .main-nav .nav-link,
  .main-nav .nav-trigger { width: 100%; min-height: 50px; justify-content: space-between; padding: 0 10px; border-bottom: 1px solid var(--line); border-left: 0; text-align: left; }
  .main-nav .nav-link:hover,
  .main-nav .nav-trigger:hover,
  .main-nav .nav-item.is-active > .nav-trigger,
  .main-nav .nav-link[aria-current="page"] { border-bottom-color: var(--line); background: var(--white); }
  .mega-panel { position: static; display: none; visibility: visible; opacity: 1; transform: none; box-shadow: none; border: 0; pointer-events: auto; }
  .nav-item.is-open .mega-panel { display: block; }
  .mega-layout { width: 100%; padding: 12px 10px 18px; grid-template-columns: 1fr; gap: 12px; }
  .mega-summary { padding: 18px; }
  .mega-summary strong { font-size: 22px; }
  .mega-link { min-height: 48px; justify-content: center; }
  .main-nav .nav-cta { width: 100%; margin: 12px 0 0; justify-content: center; }
  .menu-button { display: inline-flex; min-width: 48px; min-height: 48px; align-items: center; justify-content: center; }
  .architecture-hero .hero-copy { grid-template-columns: 1fr; gap: 30px; }
  .architecture-hero .hero-aside { padding-left: 0; padding-top: 20px; border-left: 0; border-top: 1px solid rgba(101, 210, 225, .38); }
  .engineered-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .process-rail,
  .application-routes { grid-template-columns: 1fr; }
  .route-panel { min-height: 340px; padding: 28px 24px; }
  .route-panel::before { left: 24px; right: 24px; }
  .route-panel::after { left: 24px; }
  .route-panel h2 { margin-top: 64px; }
  .family-row { grid-template-columns: 1fr 28px; gap: 7px 16px; padding: 20px 0; }
  .family-type,
  .family-copy,
  .family-use { grid-column: 1; }
  .family-use { padding-left: 0; border-left: 0; }
  .family-arrow { grid-column: 2; grid-row: 1 / 4; align-self: center; }
  .family-row > .identity-badge { grid-column: 1; grid-row: auto; margin-top: 5px; }
  .catalog-table { min-width: 720px; }
  .application-route { padding: 24px 20px; }
  .architecture-hero .container { padding-top: 58px; padding-bottom: 54px; }
  .portfolio-tier { padding-top: 24px; }
  .portfolio-tier + .portfolio-tier { margin-top: 42px; }
  .portfolio-tier-head,
  .portfolio-groups,
  .engineered-product-grid { grid-template-columns: 1fr; }
  .portfolio-tier-head { gap: 16px; }
  .portfolio-tier-head > .identity-badge { justify-self: start; }
  .portfolio-group { padding: 24px 20px; }
  .portfolio-group-head { min-height: 0; }
  .portfolio-route { min-height: 0; grid-template-columns: 30px minmax(0, 1fr) 20px; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .route-panel::after { transform: translateX(min(34vw, 420px)); opacity: 1; }
}