:root {
  --ink: #0b1f2a;
  --ink-2: #123746;
  --blue: #087da8;
  --blue-deep: #07506f;
  --orange: #f47b35;
  --orange-soft: #ffb36f;
  --paper: #f5f7f5;
  --paper-2: #e8eff0;
  --white: #fff;
  --muted: #62737a;
  --line: #c9d7da;
  --header-height: 78px;
  --container: 1320px;
  --gutter: clamp(18px, 4vw, 58px);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
h1, h2, h3, h4, p { overflow-wrap: break-word; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.04; }
h3, h4 { margin: 0; line-height: 1.2; }
p { margin-top: 0; }

.container { width: min(calc(100% - (var(--gutter) * 2)), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 300; top: -70px; left: 16px; padding: 10px 14px; background: var(--white); color: var(--ink); font-weight: 800; text-decoration: none; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.section { padding-block: clamp(76px, 9vw, 132px); }
.section--compact { padding-block: clamp(54px, 7vw, 86px); }
.section--blue { background: var(--blue-deep); color: rgba(255,255,255,.76); }
.section--ink { background: var(--ink); color: rgba(255,255,255,.76); }
.section--ice { background: var(--paper-2); }
.section--white { background: var(--white); }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--blue-deep); font-size: 11px; font-weight: 800; line-height: 1.2; letter-spacing: .12em; text-transform: uppercase; }
.kicker::before { content: ""; width: 30px; height: 2px; flex: 0 0 auto; background: var(--orange); }
.kicker--light { color: rgba(255,255,255,.72); }
.kicker--light::before { background: var(--orange-soft); }
.lede { max-width: 730px; color: var(--muted); font-size: clamp(17px, 1.8vw, 21px); line-height: 1.55; }
.lede--light { color: rgba(255,255,255,.76); }
.section-title { max-width: 850px; color: var(--ink); font-size: clamp(42px, 5.2vw, 76px); }
.section--blue .section-title, .section--ink .section-title { color: var(--white); }
.section-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .7fr); gap: clamp(38px, 8vw, 116px); align-items: end; }
.section-intro > p { margin: 0; color: var(--muted); font-size: 17px; }
.section--blue .section-intro > p, .section--ink .section-intro > p { color: rgba(255,255,255,.7); }
.button { min-height: 48px; padding: 13px 18px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; font-size: 12px; font-weight: 800; line-height: 1.2; text-decoration: none; transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button--orange { background: var(--orange); color: var(--ink); }
.button--orange:hover { background: #ff9a55; }
.button--ink { background: var(--ink); color: var(--white); }
.button--ink:hover { background: var(--ink-2); }
.button--outline { border-color: var(--ink); color: var(--ink); }
.button--outline:hover { background: var(--ink); color: var(--white); }
.button--light { border-color: rgba(255,255,255,.58); color: var(--white); }
.button--light:hover { background: var(--white); color: var(--ink); }
.arrow-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue-deep); font-size: 12px; font-weight: 800; text-decoration: none; }
.arrow-link::after { content: "↗"; color: var(--orange); font-size: 16px; line-height: 1; transition: transform .18s ease; }
.arrow-link:hover { color: var(--orange); text-decoration: underline; text-decoration-color: var(--orange); text-underline-offset: 6px; }
.arrow-link:hover::after { transform: translate(3px,-3px); }
.arrow-link--light { color: var(--white); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95); border-bottom: 1px solid rgba(11,31,42,.12); backdrop-filter: blur(12px); transition: box-shadow .18s ease; }
.site-header.is-scrolled { box-shadow: 0 12px 30px rgba(11,31,42,.11); }
.header-utility { background: var(--ink); color: rgba(255,255,255,.68); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.header-utility-inner { min-height: 30px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: 28px; }
.brand { width: 220px; flex: 0 0 auto; display: block; }
.brand img { width: 100%; height: auto; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(15px, 2.5vw, 32px); }
.site-nav a { position: relative; color: var(--ink); font-size: 13px; font-weight: 700; line-height: 1.25; text-decoration: none; }
.site-nav a:not(.nav-contact)::after { content: ""; position: absolute; right: 100%; bottom: -10px; left: 0; height: 2px; background: var(--orange); transition: right .18s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.is-active::after { right: 0; }
.site-nav .nav-contact { min-height: 44px; padding: 0 16px; display: inline-flex; align-items: center; background: var(--blue-deep); color: var(--white); }
.site-nav .nav-contact:hover { background: var(--ink); }
.nav-toggle { position: relative; z-index: 2; width: 44px; height: 44px; padding: 9px; display: none; border: 0; background: transparent; cursor: pointer; }
.nav-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--ink); transition: transform .18s ease, opacity .18s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Home */
.hero { width: min(calc(100% - (var(--gutter) * 2)), var(--container)); min-height: min(740px, calc(100svh - var(--header-height) - 30px)); margin-inline: auto; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); background: var(--ink); color: var(--white); }
.hero__copy { padding: clamp(62px, 8vw, 112px) clamp(28px, 5.4vw, 78px) 34px; display: flex; flex-direction: column; }
.hero h1 { max-width: 680px; color: var(--white); font-size: clamp(52px, 6vw, 88px); }
.hero__lede { max-width: 560px; margin: 29px 0 0; color: rgba(255,255,255,.74); font-size: clamp(17px, 2vw, 22px); line-height: 1.5; }
.hero__actions { margin-top: 38px; display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.hero__meta { margin-top: auto; padding-top: 25px; display: flex; flex-wrap: wrap; gap: 20px; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.57); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero__visual { position: relative; min-height: 560px; overflow: hidden; }
.hero__visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,31,42,.22), transparent 45%), linear-gradient(0deg, rgba(11,31,42,.4), transparent 38%); pointer-events: none; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.82) contrast(1.05); }
.hero__caption { position: absolute; right: 25px; bottom: 21px; left: 25px; z-index: 1; display: flex; justify-content: space-between; gap: 15px; color: rgba(255,255,255,.85); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.metric-strip { width: min(calc(100% - (var(--gutter) * 2)), var(--container)); margin-inline: auto; display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); border: 1px solid var(--line); border-top: 0; background: var(--white); }
.metric-strip > * { min-height: 128px; padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.metric-strip > * + * { border-left: 1px solid var(--line); }
.metric-strip__label { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.metric-strip strong { color: var(--blue-deep); font: 400 34px/1.05 var(--serif); }
.metric-strip span { margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.statement { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(38px, 9vw, 135px); align-items: start; }
.statement h2 { max-width: 600px; color: var(--ink); font-size: clamp(42px, 5vw, 72px); }
.statement__copy { max-width: 670px; color: var(--muted); font-size: 17px; }
.statement__copy .lead { margin-bottom: 24px; color: var(--ink); font-size: 23px; line-height: 1.35; }
.statement__copy p:last-of-type { margin-bottom: 28px; }
.capability-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.capability-card { min-height: 330px; padding: 28px 28px 31px 0; border-bottom: 1px solid var(--line); }
.capability-card:nth-child(3n + 2), .capability-card:nth-child(3n + 3) { padding-left: 28px; border-left: 1px solid var(--line); }
.capability-card__number { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.capability-card h3 { margin: 26px 0 13px; color: var(--ink); font: 400 28px/1.18 var(--serif); }
.capability-card p { max-width: 370px; margin: 0; color: var(--muted); font-size: 14px; }
.capability-card .arrow-link { margin-top: 24px; }
.risk-callout { margin-top: 62px; padding: clamp(30px, 5vw, 62px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, .7fr); gap: 46px; background: var(--blue-deep); color: rgba(255,255,255,.75); }
.risk-callout h2 { color: var(--white); font-size: clamp(38px, 4.5vw, 64px); }
.risk-callout p { margin: 22px 0 0; font-size: 17px; }
.risk-callout__list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.28); }
.risk-callout__list li { padding: 16px 0; display: grid; grid-template-columns: 33px 1fr; gap: 13px; border-bottom: 1px solid rgba(255,255,255,.28); }
.risk-callout__list span { color: var(--orange-soft); font-size: 11px; font-weight: 800; }
.risk-callout__list strong { color: var(--white); font-size: 15px; line-height: 1.35; }
.sector-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--ink); }
.sector-grid a { min-height: 190px; padding: 23px 23px 25px 0; display: flex; flex-direction: column; justify-content: space-between; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.sector-grid a + a { padding-left: 23px; border-left: 1px solid var(--line); }
.sector-grid span { color: var(--orange); font-size: 11px; font-weight: 800; }
.sector-grid strong { max-width: 200px; font: 400 25px/1.15 var(--serif); }
.sector-grid em { color: var(--muted); font-size: 11px; font-style: normal; font-weight: 800; }
.sector-grid a:hover { color: var(--orange); }
.sector-grid a:hover em { color: var(--orange); }
.insight-grid { margin-top: 58px; display: grid; grid-template-columns: 1.35fr 1fr 1fr; border-top: 1px solid var(--ink); }
.insight-card { min-height: 330px; padding: 26px 25px 28px 0; border-bottom: 1px solid var(--line); }
.insight-card + .insight-card { padding-left: 25px; border-left: 1px solid var(--line); }
.insight-card__image { height: 150px; margin: -26px 0 24px; overflow: hidden; }
.insight-card__image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.78); }
.insight-card__meta { color: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.insight-card h3 { margin: 26px 0 17px; color: var(--ink); font: 400 28px/1.16 var(--serif); }
.insight-card p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.cta-band { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr); gap: clamp(38px, 8vw, 112px); align-items: start; }
.cta-band h2 { color: var(--white); font-size: clamp(44px, 5vw, 72px); }
.cta-band__copy { padding-top: 26px; border-top: 1px solid rgba(255,255,255,.28); }
.cta-band__copy p { color: rgba(255,255,255,.74); font-size: 18px; }
.cta-band__email { margin-top: 24px; display: inline-flex; align-items: center; gap: 12px; color: var(--white); font-size: clamp(19px, 2.5vw, 29px); font-weight: 800; text-decoration-color: var(--orange); text-decoration-thickness: 2px; text-underline-offset: 7px; overflow-wrap: anywhere; }

/* Inner pages */
.page-hero { min-height: 430px; padding-block: clamp(68px, 9vw, 120px); display: flex; align-items: end; background: var(--ink); color: rgba(255,255,255,.76); }
.page-hero--image { position: relative; isolation: isolate; overflow: hidden; background: var(--ink); }
.page-hero--image::before { content: ""; position: absolute; inset: 0; z-index: -2; background: center/cover no-repeat; filter: saturate(.72); }
.page-hero--image::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(11,31,42,.92), rgba(11,31,42,.52) 60%, rgba(11,31,42,.68)); }
.page-hero--capabilities::before { background-image: url("assets/project-controls.jpg"); }
.page-hero--risk::before { background-image: url("assets/data-science.jpg"); }
.page-hero--sectors::before { background-image: url("assets/hero.jpg"); }
.page-hero--about::before { background-image: url("assets/approach.jpg"); }
.page-hero--approach::before { background-image: url("assets/field-team.jpg"); }
.page-hero--insights::before { background-image: url("assets/data-science.jpg"); }
.page-hero--contact::before { background-image: url("assets/building-assessment.jpg"); }
.page-hero__inner { width: min(calc(100% - (var(--gutter) * 2)), var(--container)); margin-inline: auto; }
.breadcrumb { margin: 0 0 27px; color: rgba(255,255,255,.55); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.breadcrumb a { color: var(--white); text-decoration: none; }
.breadcrumb a:hover { color: var(--orange-soft); }
.page-hero h1 { max-width: 1000px; color: var(--white); font-size: clamp(50px, 7vw, 92px); }
.page-hero__lede { max-width: 740px; margin: 28px 0 0; font-size: clamp(17px, 2vw, 22px); line-height: 1.52; }
.page-intro { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(42px, 9vw, 130px); align-items: start; }
.page-intro h2 { font-size: clamp(40px, 4.8vw, 68px); }
.page-intro__copy { max-width: 700px; color: var(--muted); font-size: 17px; }
.page-intro__copy .lead { color: var(--ink); font-size: 23px; line-height: 1.35; }
.stats { margin-top: 58px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.26); }
.stats > div { min-height: 135px; padding: 22px 22px 22px 0; }
.stats > div + div { padding-left: 22px; border-left: 1px solid rgba(255,255,255,.26); }
.stats strong { display: block; color: var(--white); font: 400 36px/1 var(--serif); }
.stats span { display: block; margin-top: 10px; color: rgba(255,255,255,.6); font-size: 12px; line-height: 1.35; }
.service-list { margin-top: 57px; border-top: 1px solid var(--ink); }
.service-row { padding: 29px 0 31px; display: grid; grid-template-columns: 58px minmax(0, .8fr) minmax(0, 1fr) 115px; gap: 24px; align-items: start; border-bottom: 1px solid var(--line); }
.service-row__number { color: var(--orange); font-size: 11px; font-weight: 800; }
.service-row h3 { color: var(--ink); font: 400 30px/1.12 var(--serif); }
.service-row p { margin: 0; color: var(--muted); font-size: 14px; }
.service-row .arrow-link { justify-self: end; margin-top: 6px; }
.focus-panel { margin-top: 58px; padding: clamp(29px, 5vw, 58px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 50px; background: var(--paper-2); }
.focus-panel h2 { font-size: clamp(38px, 4.2vw, 62px); }
.focus-panel__copy { color: var(--muted); font-size: 16px; }
.focus-panel__copy strong { color: var(--ink); }
.process-grid { margin-top: 57px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--ink); }
.process-step { min-height: 225px; padding: 24px 22px 26px 0; border-bottom: 1px solid var(--line); }
.process-step + .process-step { padding-left: 22px; border-left: 1px solid var(--line); }
.process-step span { color: var(--orange); font-size: 11px; font-weight: 800; }
.process-step h3 { margin: 31px 0 12px; color: var(--ink); font: 400 25px/1.15 var(--serif); }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; }
.detail-layout { display: grid; grid-template-columns: minmax(210px,.3fr) minmax(0,.7fr); gap: clamp(42px,8vw,115px); align-items: start; }
.detail-index { position: sticky; top: calc(var(--header-height) + 22px); border-top: 1px solid var(--ink); }
.detail-index a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; }
.detail-index a:hover, .detail-index a.is-current { color: var(--blue-deep); }
.detail-content h2 { margin-bottom: 22px; font-size: clamp(40px,4.6vw,68px); }
.detail-content > p { max-width: 760px; color: var(--muted); font-size: 17px; }
.detail-content h3 { margin: 48px 0 16px; color: var(--ink); font: 400 30px/1.15 var(--serif); }
.detail-content ul { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); list-style: none; border-top: 1px solid var(--line); }
.detail-content li { position: relative; padding: 14px 0 14px 18px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 14px; font-weight: 700; }
.detail-content li::before { content: ""; position: absolute; top: 23px; left: 0; width: 6px; height: 6px; background: var(--orange); }
.callout { margin-top: 50px; padding: 27px 29px; border-left: 4px solid var(--orange); background: var(--paper-2); }
.callout strong { display: block; color: var(--ink); font-size: 18px; line-height: 1.35; }
.callout p { max-width: 740px; margin: 9px 0 0; color: var(--muted); font-size: 14px; }
.values-grid { margin-top: 57px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--ink); }
.value { min-height: 210px; padding: 25px 24px 25px 0; border-bottom: 1px solid var(--line); }
.value + .value { padding-left: 24px; border-left: 1px solid var(--line); }
.value span { color: var(--orange); font-size: 11px; font-weight: 800; }
.value h3 { margin: 29px 0 11px; color: var(--ink); font: 400 27px/1.16 var(--serif); }
.value p { margin: 0; color: var(--muted); font-size: 14px; }
.filter-bar { margin-top: 43px; display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip { min-height: 38px; padding: 9px 14px; border: 1px solid var(--line); background: transparent; color: var(--muted); font-size: 11px; font-weight: 800; cursor: pointer; }
.filter-chip:hover, .filter-chip.is-active { border-color: var(--ink); background: var(--ink); color: var(--white); }

/* Footer */
.site-footer { padding-block: 37px 27px; background: #071721; color: rgba(255,255,255,.63); }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3,.75fr); gap: 38px; }
.footer-brand { width: 205px; display: block; }
.footer-brand img { width: 100%; height: auto; filter: saturate(.9); }
.footer-note { max-width: 275px; margin: 17px 0 0; font-size: 12px; line-height: 1.6; }
.footer-col h3 { margin: 2px 0 15px; color: rgba(255,255,255,.56); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.footer-col a { display: block; margin: 8px 0; color: var(--white); font-size: 13px; text-decoration: none; }
.footer-col a:hover { color: var(--orange-soft); }
.footer-bottom { margin-top: 38px; padding-top: 18px; display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(255,255,255,.18); font-size: 11px; }
.footer-bottom a { color: var(--white); text-underline-offset: 5px; }

.reveal-ready { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal-ready.is-visible { opacity: 1; transform: none; }
[hidden] { display: none !important; }

@media (max-width: 1040px) {
  :root { --header-height: 72px; }
  .brand { width: 190px; }
  .site-nav { gap: 17px; }
  .site-nav a { font-size: 12px; }
  .hero { grid-template-columns: minmax(0,.88fr) minmax(0,1.12fr); }
  .hero__copy { padding-inline: 44px; }
  .capability-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .capability-card:nth-child(3n + 2), .capability-card:nth-child(3n + 3) { padding-left: 0; border-left: 0; }
  .capability-card:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--line); }
  .capability-card:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .sector-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .sector-grid a:nth-child(odd) { padding-left: 0; border-left: 0; }
  .sector-grid a:nth-child(even) { padding-left: 23px; border-left: 1px solid var(--line); }
  .sector-grid a:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .insight-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .insight-card:nth-child(odd) { padding-left: 0; border-left: 0; }
  .insight-card:nth-child(even) { padding-left: 25px; border-left: 1px solid var(--line); }
  .insight-card:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2,1fr); }
  .stats > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .stats > div:nth-child(n + 3) { border-top: 1px solid rgba(255,255,255,.26); }
  .service-row { grid-template-columns: 47px minmax(0,.75fr) minmax(0,1fr); }
  .service-row .arrow-link { grid-column: 2 / -1; justify-self: start; }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .process-step:nth-child(odd) { padding-left: 0; border-left: 0; }
  .process-step:nth-child(even) { padding-left: 22px; border-left: 1px solid var(--line); }
  .process-step:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .values-grid { grid-template-columns: repeat(2,1fr); }
  .value:nth-child(odd) { padding-left: 0; border-left: 0; }
  .value:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
  .value:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px) {
  .header-utility { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .site-nav { position: fixed; inset: var(--header-height) 0 auto; max-height: 0; overflow: hidden; display: grid; gap: 0; background: var(--white); box-shadow: 0 16px 28px rgba(11,31,42,.17); transition: max-height .22s ease; }
  .site-nav.is-open { max-height: 470px; overflow-y: auto; }
  .site-nav a, .site-nav .nav-contact { min-height: 0; padding: 17px var(--gutter); justify-content: flex-start; border-top: 1px solid var(--line); background: var(--white); color: var(--ink); font-size: 16px; }
  .site-nav a::after { display: none; }
  .site-nav .nav-contact { background: var(--blue-deep); color: var(--white); }
  .hero { width: min(calc(100% - (var(--gutter) * 2)), var(--container)); grid-template-columns: 1fr; }
  .hero__copy { min-height: 560px; }
  .hero__visual { min-height: 430px; }
  .metric-strip { grid-template-columns: repeat(3,1fr); }
  .metric-strip__label { grid-column: 1 / -1; min-height: 65px; padding-block: 17px; border-bottom: 1px solid var(--line); }
  .metric-strip > *:first-of-type { border-left: 0; }
  .statement, .page-intro, .cta-band { grid-template-columns: 1fr; gap: 39px; }
  .section-intro { grid-template-columns: 1fr; gap: 25px; }
  .risk-callout, .focus-panel { grid-template-columns: 1fr; gap: 30px; }
  .detail-layout { grid-template-columns: 1fr; gap: 43px; }
  .detail-index { position: static; display: flex; overflow-x: auto; }
  .detail-index a { min-width: max-content; padding: 13px 18px 13px 0; border-bottom: 0; }
}

@media (max-width: 640px) {
  :root { --header-height: 66px; --gutter: 16px; }
  body { font-size: 15px; }
  .brand { width: 174px; }
  .section { padding-block: 70px; }
  .section-title { font-size: 42px; }
  .hero { width: calc(100% - 32px); }
  .hero__copy { min-height: 0; padding: 43px 22px 22px; }
  .hero h1 { font-size: 48px; }
  .hero__lede { margin-top: 22px; font-size: 17px; }
  .hero__actions { margin-top: 28px; flex-direction: column; align-items: stretch; gap: 13px; }
  .hero__actions .button { width: 100%; }
  .hero__actions .arrow-link { align-self: flex-start; }
  .hero__meta { margin-top: 38px; gap: 11px; font-size: 9px; }
  .hero__visual { min-height: 205px; }
  .hero__caption { right: 14px; bottom: 13px; left: 14px; font-size: 8px; }
  .metric-strip { width: calc(100% - 32px); grid-template-columns: 1fr; }
  .metric-strip__label { grid-column: auto; }
  .metric-strip > *, .metric-strip > * + * { min-height: 88px; padding: 18px 20px; border-top: 1px solid var(--line); border-left: 0; }
  .metric-strip .metric-strip__label { border-top: 0; }
  .metric-strip strong { font-size: 29px; }
  .capability-grid, .sector-grid, .insight-grid, .process-grid, .values-grid { grid-template-columns: 1fr; }
  .capability-card, .capability-card:nth-child(even), .sector-grid a, .sector-grid a:nth-child(even), .insight-card, .insight-card:nth-child(even), .process-step, .process-step:nth-child(even), .value, .value:nth-child(even) { min-height: 0; padding: 24px 0 28px; border-left: 0; }
  .capability-card:nth-child(n + 3), .sector-grid a:nth-child(n + 3), .insight-card:nth-child(n + 3), .process-step:nth-child(n + 3), .value:nth-child(n + 3) { border-top: 0; }
  .capability-card h3, .service-row h3 { font-size: 27px; }
  .sector-grid a { min-height: 150px; }
  .insight-card__image { height: 155px; margin-top: -24px; }
  .risk-callout { margin-top: 42px; padding: 28px 22px; }
  .risk-callout h2 { font-size: 42px; }
  .page-hero { min-height: 365px; padding-block: 66px; }
  .page-hero--image { min-height: 405px; }
  .page-hero h1 { font-size: 50px; }
  .page-hero__lede { margin-top: 21px; font-size: 17px; }
  .stats { grid-template-columns: 1fr; }
  .stats > div, .stats > div + div { min-height: 105px; padding: 20px 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.26); }
  .stats > div:first-child { border-top: 0; }
  .service-row { grid-template-columns: 35px 1fr; gap: 13px; }
  .service-row p { grid-column: 2; }
  .service-row .arrow-link { grid-column: 2; }
  .detail-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; overflow: visible; }
  .detail-index a { min-width: 0; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .detail-content > p { font-size: 16px; }
  .detail-content ul { grid-template-columns: 1fr; }
  .callout { margin-top: 38px; padding: 22px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-bottom { margin-top: 28px; display: grid; gap: 9px; }
}

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