:root {
  --ink: #101924;
  --ink-2: #263448;
  --muted: #5c6879;
  --purple: #32215f;
  --purple-dark: #241744;
  --green: #19744b;
  --green-pale: #b5e0bf;
  --cyan: #4bbde0;
  --paper: #f5f4ef;
  --stone: #e8e6de;
  --white: #ffffff;
  --line: #d0d2cd;
  --line-dark: #3a475a;
  --shell: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Aptos, "Segoe UI", "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.62; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 9px 12px; color: var(--white); background: var(--purple); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }

h1, h2, h3, p, dl, dd { margin-top: 0; }
h1, h2, h3 { color: var(--ink); font-family: "Arial Nova", Aptos, "Segoe UI", Arial, sans-serif; font-weight: 700; line-height: 1.06; letter-spacing: -.036em; }
h1 { max-width: 800px; margin-bottom: 21px; font-size: clamp(2.35rem, 3.4vw, 3.85rem); }
h2 { max-width: 720px; margin-bottom: 17px; font-size: clamp(1.85rem, 2.5vw, 2.86rem); }
h3 { margin-bottom: 9px; font-size: 1.07rem; letter-spacing: -.015em; }
p { margin-bottom: 16px; }
.intro { max-width: 670px; color: var(--muted); font-size: clamp(1rem, 1.22vw, 1.13rem); line-height: 1.64; }
.eyebrow { margin-bottom: 12px; color: var(--green); font-size: .67rem; font-weight: 800; letter-spacing: .145em; line-height: 1.3; text-transform: uppercase; }
.caption { max-width: 680px; color: var(--muted); font-size: .77rem; line-height: 1.52; }

.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid var(--line); background: rgba(250, 250, 247, .98); backdrop-filter: blur(10px); }
.header-row { position: relative; display: flex; min-height: 78px; align-items: center; gap: 22px; }
.brand { display: block; flex: 0 0 auto; width: 182px; }
.brand img { width: 100%; height: auto; }
.site-context { display: none; margin: 0; padding-left: 20px; border-left: 1px solid var(--line); color: var(--muted); font-size: .62rem; font-weight: 800; letter-spacing: .1em; line-height: 1.35; text-transform: uppercase; }
.site-nav { display: flex; flex: 1; align-items: center; justify-content: flex-end; gap: 25px; }
.site-nav a { position: relative; padding: 29px 0 24px; color: #344052; font-size: .78rem; font-weight: 750; letter-spacing: .01em; }
.site-nav a::after { position: absolute; right: 0; bottom: 16px; left: 0; height: 2px; background: var(--green); content: ""; transform: scaleX(0); transition: transform .16s ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav-mobile-cta { display: none; }
.nav-toggle { display: none; border: 0; color: var(--purple); background: transparent; cursor: pointer; font-size: .72rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }

.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; padding: 11px 17px; border: 1px solid var(--purple); border-radius: 0; color: var(--white); background: var(--purple); cursor: pointer; font-size: .72rem; font-weight: 800; letter-spacing: .07em; line-height: 1.2; text-transform: uppercase; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
.button:hover { border-color: var(--purple-dark); background: var(--purple-dark); transform: translateY(-1px); }
.button-small { min-height: 40px; padding: 9px 13px; font-size: .66rem; white-space: nowrap; }
.button-outline { border-color: #a8afb8; color: var(--ink-2); background: transparent; }
.button-outline:hover { border-color: var(--ink); color: var(--white); background: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 11px; margin: 26px 0; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--purple); font-size: .86rem; font-weight: 800; }
.text-link:hover { color: var(--green); }
.text-link span { transition: transform .16s ease; }
.text-link:hover span { transform: translateX(4px); }

.hero-home { border-bottom: 1px solid var(--line); background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(470px, 1.1fr); align-items: center; gap: clamp(45px, 6vw, 105px); padding-block: clamp(48px, 5.5vw, 78px); }
.hero-home h1 { max-width: 650px; font-size: clamp(2.45rem, 3.5vw, 3.9rem); }
.hero-copy .intro { max-width: 610px; }
.hero-note { max-width: 610px; margin: 0; padding: 13px 0 0 17px; border-left: 3px solid var(--cyan); color: var(--muted); font-size: .82rem; line-height: 1.52; }
.hero-note span { display: block; margin-bottom: 4px; color: var(--ink); font-size: .65rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-visual { position: relative; overflow: hidden; background: var(--ink); box-shadow: 0 18px 45px rgba(16, 25, 36, .16); }
.hero-figure { margin: 0; }
.hero-figure img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }
.hero-figure figcaption { margin: 0; padding: 10px 16px; color: rgba(255,255,255,.62); font-size: .71rem; line-height: 1.45; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line-dark); }
.hero-facts div { min-height: 87px; padding: 13px 15px 14px; border-left: 1px solid var(--line-dark); }
.hero-facts div:first-child { border-left: 0; }
.hero-facts dt { margin-bottom: 6px; color: var(--green-pale); font-size: .6rem; font-weight: 800; letter-spacing: .105em; text-transform: uppercase; }
.hero-facts dd { margin: 0; color: var(--white); font-size: .76rem; font-weight: 700; line-height: 1.38; }

.process-section { padding: clamp(58px, 7vw, 94px) 0; background: var(--white); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, .64fr); gap: clamp(42px, 7vw, 114px); align-items: end; margin-bottom: 33px; }
.section-heading > p { max-width: 450px; margin-bottom: 3px; color: var(--muted); font-size: .92rem; line-height: 1.6; }
.section-heading-dark h2 { color: var(--white); }
.section-heading-dark > p { color: rgba(255,255,255,.66); }
.process-route { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.process-route li { min-height: 206px; padding: 24px 26px 22px 0; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-route li:first-child { border-left: 0; }
.process-route li + li { padding-left: 26px; }
.process-number { display: block; margin-bottom: 30px; color: var(--green); font-size: .68rem; font-weight: 800; letter-spacing: .115em; }
.process-route p { max-width: 310px; margin-bottom: 0; color: var(--muted); font-size: .89rem; line-height: 1.58; }

.section-rule { border-top: 1px solid var(--line); }
.media-copy { display: grid; grid-template-columns: minmax(285px, .9fr) minmax(335px, 1fr); align-items: start; gap: clamp(48px, 8vw, 128px); padding-block: clamp(66px, 7.5vw, 98px); }
.media-copy > figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.media-copy > figure figcaption { margin-top: 10px; color: var(--muted); font-size: .72rem; }
.media-copy-system > figure { order: 2; }
.media-copy p:not(.eyebrow) { max-width: 570px; color: var(--muted); }
.section-muted { padding: clamp(58px, 7vw, 92px) 0; background: var(--stone); }
.section-dark { padding: clamp(60px, 7vw, 94px) 0; color: var(--white); background: var(--ink); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .eyebrow { color: var(--green-pale); }

.card-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { min-height: 194px; padding: 25px 25px 27px; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
.card:first-child { border-left: 0; }
.card-marker { display: block; margin-bottom: 31px; color: var(--green); font-size: .66rem; font-weight: 800; letter-spacing: .115em; }
.card p { margin-bottom: 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.section-dark .card { border-color: rgba(255,255,255,.21); }
.section-dark .card p { color: rgba(255,255,255,.7); }
.section-dark .card-marker { color: var(--green-pale); }

.page-hero { border-bottom: 1px solid var(--line); background: var(--stone); }
.page-hero .shell { padding-block: 23px 33px; }
.breadcrumb { display: flex; gap: 8px; margin-bottom: 19px; color: var(--muted); font-size: .66rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.breadcrumb a:hover { color: var(--green); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(290px, .63fr); gap: clamp(48px, 9vw, 160px); align-items: end; }
.page-hero .eyebrow { margin-bottom: 7px; }
.page-hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.14rem, 3.25vw, 3.56rem); }
.page-hero-brief { align-self: stretch; display: flex; flex-direction: column; justify-content: end; padding: 0 0 2px 18px; border-left: 2px solid var(--green); }
.page-hero-brief span { display: block; margin-bottom: 6px; color: var(--green); font-size: .62rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.page-hero-brief p { max-width: 420px; margin: 0; color: var(--muted); font-size: .91rem; line-height: 1.55; }

.decision-panel { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(300px, .78fr); gap: clamp(48px, 10vw, 164px); align-items: start; padding-block: clamp(60px, 7vw, 94px); }
.decision-panel > div:last-child > p { color: var(--muted); }
.flush-top { padding-top: clamp(56px, 7vw, 90px); }
.application-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.application-grid .card { min-height: 232px; }
.application-grid .card:first-child { border-left: 0; }

.technical-band { padding: clamp(58px, 7vw, 90px) 0; border-block: 1px solid var(--line); background: var(--white); }
.technical-grid { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(460px, 1.28fr); gap: clamp(50px, 8vw, 126px); align-items: start; }
.technical-grid dl { margin: 0; border-top: 2px solid var(--ink); }
.technical-grid dl div { display: grid; grid-template-columns: minmax(155px, .5fr) 1fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.technical-grid dt { color: var(--ink-2); font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.technical-grid dd { margin: 0; color: var(--muted); font-size: .9rem; }

.validation-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(245px, .48fr); gap: clamp(50px, 11vw, 170px); padding-block: clamp(60px, 7vw, 90px); }
.validation-intro > div > p:not(.eyebrow), .validation-intro aside > p:not(.eyebrow) { max-width: 650px; color: var(--muted); }
.validation-intro aside { padding: 2px 0 0 20px; border-left: 3px solid var(--cyan); }
.document-list { border-top: 2px solid var(--ink); }
.document-list article { display: grid; grid-template-columns: 54px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 23px 0; border-bottom: 1px solid var(--line); }
.document-list article > span { color: var(--green); font-size: .69rem; font-weight: 800; letter-spacing: .1em; }
.document-list h3 { margin-bottom: 4px; }
.document-list p { margin-bottom: 0; color: var(--muted); font-size: .88rem; }
.document-list strong { color: var(--purple); font-size: .68rem; letter-spacing: .09em; text-transform: uppercase; white-space: nowrap; }

.resource-directory { padding-bottom: clamp(60px, 7vw, 92px); }
.resource-list { border-top: 2px solid var(--ink); }
.resource-list a { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 23px 0; border-bottom: 1px solid var(--line); transition: color .16s ease, padding-left .16s ease; }
.resource-list a:hover { padding-left: 7px; color: var(--green); }
.resource-list span { color: var(--green); font-size: .69rem; font-weight: 800; letter-spacing: .1em; }
.resource-list h3 { margin-bottom: 4px; }
.resource-list p { margin-bottom: 0; color: var(--muted); font-size: .88rem; }
.resource-list b { color: var(--purple); font-size: .7rem; letter-spacing: .06em; white-space: nowrap; }

.form-layout { display: grid; grid-template-columns: minmax(260px, .67fr) minmax(430px, 1fr); gap: clamp(48px, 8vw, 112px); align-items: start; padding-block: clamp(60px, 7vw, 92px); }
.leadership-grid { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(430px, 1fr); gap: clamp(48px, 8vw, 112px); align-items: start; }
.leadership-grid > div > p:not(.eyebrow) { max-width: 560px; color: var(--muted); }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; }
.contact-card { padding: 18px 0 21px; border-top: 2px solid var(--ink); }
.contact-card + .contact-card { border-top-color: var(--line); }
.contact-card .eyebrow { margin-bottom: 7px; color: var(--muted); font-size: .61rem; }
.contact-card h3 { margin-bottom: 10px; font-size: 1.16rem; }
.contact-card a { display: block; margin-top: 6px; color: var(--purple); font-size: .84rem; font-weight: 750; overflow-wrap: anywhere; }
.contact-card a:hover { color: var(--green); }
.direct-contacts { margin-top: 27px; }
.direct-contacts .contact-cards { grid-template-columns: 1fr; }

.lead-form { padding: clamp(25px, 4vw, 39px); border: 1px solid var(--ink); background: var(--white); box-shadow: 0 12px 27px rgba(16,25,36,.05); }
.form-heading .eyebrow { margin-bottom: 9px; }
.form-heading h2 { margin-bottom: 8px; font-size: clamp(1.56rem, 2.4vw, 2.14rem); }
.form-heading p { color: var(--muted); font-size: .88rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-core { margin-top: 20px; }
.lead-form label { display: grid; gap: 7px; margin: 15px 0; color: #344155; font-size: .77rem; font-weight: 800; }
.lead-form label b { color: var(--green); }
.lead-form input, .lead-form select, .lead-form textarea { width: 100%; padding: 11px 12px; border: 1px solid #b8c1ca; border-radius: 0; outline: none; color: var(--ink); background: var(--white); font-weight: 500; transition: border-color .16s ease, box-shadow .16s ease; }
.lead-form textarea { resize: vertical; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(50,33,95,.11); }
.optional-fields { margin: 17px 0; padding: 0; border-top: 1px solid var(--line); }
.optional-fields summary { padding: 15px 0 2px; cursor: pointer; color: var(--ink-2); font-size: .82rem; font-weight: 750; }
.optional-fields summary span { color: var(--muted); font-weight: 500; }
.full-span { grid-column: 1 / -1; }
.lead-form .check { grid-template-columns: 19px 1fr; align-items: start; gap: 9px; color: var(--muted); font-size: .76rem; font-weight: 520; }
.lead-form .check input { width: 18px; height: 18px; margin: 0; accent-color: var(--purple); }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.45em; margin: 3px 0 14px; color: var(--green); font-size: .85rem; font-weight: 700; }
.form-status.is-error { color: #a2293d; }

.faq-list { max-width: 940px; padding-block: clamp(54px, 7vw, 88px); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; gap: 18px; padding: 21px 2px; cursor: pointer; list-style: none; color: var(--ink); font-size: clamp(1rem, 1.6vw, 1.14rem); font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { margin-left: auto; color: var(--green); content: '+'; font-size: 1.35rem; line-height: .8; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list summary span { flex: 0 0 auto; color: var(--green); font-size: .69rem; font-weight: 800; letter-spacing: .08em; }
.faq-list details p { max-width: 780px; padding: 0 0 21px 43px; color: var(--muted); }
.steps { margin: 28px 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 42px 1fr; gap: 15px; margin-bottom: 23px; }
.steps h3 { margin-bottom: 4px; font-size: 1.03rem; }
.steps p { margin-bottom: 0; color: var(--muted); }
.steps .process-number { margin: 1px 0 0; }
.legal { max-width: 880px; padding-block: clamp(54px, 7vw, 88px); }
.legal h2 { margin-top: 38px; font-size: clamp(1.4rem, 2.1vw, 1.95rem); }
.legal h2:first-child { margin-top: 0; }
.legal p { max-width: 790px; color: var(--muted); }
.not-found-page { min-height: 62vh; padding-block: clamp(88px, 13vw, 166px); }

/* Inner pages use distinct editorial systems instead of a repeated hero + card template. */
.chapter-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, .62fr); gap: clamp(40px, 8vw, 126px); align-items: end; margin-bottom: 34px; }
.chapter-heading > p { max-width: 465px; margin-bottom: 4px; color: var(--muted); font-size: .91rem; line-height: 1.6; }
.ledger-label { margin-bottom: 6px; color: var(--green); font-size: .62rem; font-weight: 800; letter-spacing: .1em; line-height: 1.3; text-transform: uppercase; }

.system-dossier { padding: clamp(48px, 6.3vw, 86px) 0; background: var(--white); }
.system-dossier-grid { display: grid; grid-template-columns: minmax(440px, 1.08fr) minmax(320px, .74fr); gap: clamp(45px, 8vw, 138px); align-items: center; }
.system-portrait { overflow: hidden; background: var(--ink); box-shadow: 0 16px 38px rgba(16,25,36,.13); }
.system-portrait figure { margin: 0; }
.system-portrait img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.system-portrait figcaption { padding: 10px 16px; color: rgba(255,255,255,.66); font-size: .7rem; }
.portrait-index { display: flex; justify-content: space-between; gap: 14px; padding: 12px 16px 15px; border-top: 1px solid var(--line-dark); color: var(--white); font-size: .7rem; }
.portrait-index span { color: var(--green-pale); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.portrait-index b { font-weight: 700; }
.system-brief { padding: 7px 0; }
.system-brief h2 { max-width: 560px; font-size: clamp(2rem, 3vw, 3.18rem); }
.system-brief > p:not(.eyebrow) { max-width: 510px; color: var(--muted); font-size: 1rem; line-height: 1.62; }
.system-ledger { padding: clamp(62px, 7vw, 94px) 0; border-top: 1px solid var(--line); background: var(--stone); }
.ledger-list { border-top: 2px solid var(--ink); }
.ledger-list article { display: grid; grid-template-columns: 58px minmax(240px, .8fr) minmax(250px, .72fr); gap: clamp(22px, 4vw, 58px); align-items: start; padding: 24px 0 25px; border-bottom: 1px solid var(--line); }
.ledger-list > article > span { padding-top: 4px; color: var(--green); font-size: .68rem; font-weight: 800; letter-spacing: .105em; }
.ledger-list h3 { max-width: 390px; margin: 0; font-size: 1.14rem; line-height: 1.18; }
.ledger-list article > p { max-width: 395px; margin: 3px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.58; }
.system-callout { padding: clamp(56px, 6.5vw, 90px) 0; color: var(--white); background: var(--purple); }
.system-callout .shell { display: grid; grid-template-columns: minmax(190px, .35fr) minmax(340px, 1fr) auto; gap: clamp(32px, 6vw, 92px); align-items: end; }
.system-callout .eyebrow { margin: 0 0 5px; color: var(--green-pale); }
.system-callout h2 { margin-bottom: 9px; color: var(--white); font-size: clamp(1.8rem, 2.7vw, 2.75rem); }
.system-callout p:not(.eyebrow) { max-width: 630px; margin-bottom: 0; color: rgba(255,255,255,.74); }
.system-callout .text-link { margin-bottom: 5px; color: var(--white); white-space: nowrap; }

.technology-observatory { padding: clamp(48px, 6.3vw, 88px) 0; color: var(--white); background: var(--ink); }
.technology-observatory-grid { display: grid; grid-template-columns: minmax(300px, .76fr) minmax(440px, 1.14fr); gap: clamp(46px, 8vw, 132px); align-items: center; }
.technology-copy h2 { color: var(--white); font-size: clamp(2.1rem, 3.2vw, 3.38rem); }
.technology-copy .eyebrow { color: var(--green-pale); }
.technology-copy > p:not(.eyebrow) { max-width: 550px; color: rgba(255,255,255,.72); }
.technology-observatory figure { position: relative; margin: 0; overflow: hidden; }
.technology-observatory figure::after { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(16,25,36,.12), rgba(50,33,95,.26)); content: ""; pointer-events: none; }
.technology-observatory img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.technology-observatory figcaption { position: relative; z-index: 1; margin-top: -1px; padding: 11px 15px; color: rgba(255,255,255,.68); background: #172231; font-size: .7rem; }
.text-link-light { color: var(--white); }
.text-link-light:hover { color: var(--green-pale); }
.control-ledger { padding: clamp(60px, 7vw, 94px) 0; background: var(--white); }
.control-ledger dl { margin: 0; border-top: 2px solid var(--ink); }
.control-ledger dl div { display: grid; grid-template-columns: minmax(205px, .46fr) minmax(330px, 1fr); gap: clamp(35px, 6vw, 94px); padding: 21px 0; border-bottom: 1px solid var(--line); }
.control-ledger dt { color: var(--ink-2); font-size: .76rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.control-ledger dd { max-width: 650px; margin: 0; color: var(--muted); font-size: .95rem; }
.review-boundary { padding: clamp(58px, 7vw, 92px) 0; color: var(--white); background: var(--purple); }
.review-boundary-grid { display: grid; grid-template-columns: minmax(150px, .28fr) minmax(350px, .94fr) minmax(210px, .46fr); gap: clamp(35px, 6vw, 94px); align-items: start; }
.review-boundary .eyebrow { margin: 6px 0 0; color: var(--green-pale); }
.review-boundary h2 { color: var(--white); font-size: clamp(1.85rem, 2.85vw, 2.9rem); }
.review-boundary p { max-width: 640px; margin-bottom: 0; color: rgba(255,255,255,.75); }
.review-boundary ol { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.35); list-style: none; }
.review-boundary li { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.22); color: var(--white); font-size: .8rem; font-weight: 700; }
.review-boundary li span { display: inline-block; width: 38px; color: var(--green-pale); font-size: .65rem; letter-spacing: .08em; }

.application-brief { padding: clamp(60px, 7vw, 94px) 0 0; background: var(--white); }
.application-brief-header { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, .58fr); gap: clamp(44px, 8vw, 128px); align-items: end; margin-bottom: 39px; }
.application-brief-header .eyebrow { grid-column: 1 / -1; margin: 0 0 -21px; }
.application-brief-header h2 { margin: 0; }
.application-brief-header > p { max-width: 470px; margin: 0; color: var(--muted); font-size: .93rem; }
.application-matrix { border-top: 2px solid var(--ink); }
.application-matrix article { display: grid; grid-template-columns: 58px minmax(240px, .83fr) minmax(245px, .76fr) auto; gap: clamp(23px, 4vw, 54px); align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); }
.application-matrix article > span { align-self: start; padding-top: 6px; color: var(--green); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.application-matrix h3 { max-width: 370px; margin: 0; font-size: 1.18rem; line-height: 1.18; }
.application-matrix article > p { max-width: 390px; margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.58; }
.application-matrix a { color: var(--purple); font-size: .73rem; font-weight: 800; letter-spacing: .055em; line-height: 1.25; text-transform: uppercase; white-space: nowrap; }
.application-matrix a:hover { color: var(--green); }
.application-note { padding: clamp(56px, 7vw, 92px) 0; background: var(--stone); }
.application-note .shell { display: grid; grid-template-columns: minmax(175px, .27fr) minmax(340px, .88fr) auto; gap: clamp(34px, 7vw, 100px); align-items: end; }
.application-note .eyebrow { margin: 0 0 5px; }
.application-note h2 { margin-bottom: 10px; }
.application-note p:not(.eyebrow) { max-width: 650px; margin-bottom: 0; color: var(--muted); }
.application-note .button { margin-bottom: 3px; white-space: nowrap; }

.validation-brief { padding: clamp(58px, 7vw, 92px) 0; background: var(--white); }
.validation-brief-grid { display: grid; grid-template-columns: minmax(360px, 1fr) minmax(270px, .5fr); gap: clamp(55px, 11vw, 178px); align-items: end; }
.validation-brief h2 { font-size: clamp(2rem, 3vw, 3.08rem); }
.validation-brief > div > p:not(.eyebrow) { max-width: 650px; color: var(--muted); }
.validation-brief aside { padding: 23px 25px; border-top: 3px solid var(--cyan); color: var(--white); background: var(--ink); }
.validation-brief aside span { display: block; margin-bottom: 10px; color: var(--green-pale); font-size: .63rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.validation-brief aside p { margin: 0; color: rgba(255,255,255,.75); font-size: .87rem; line-height: 1.58; }
.evidence-track { padding: clamp(58px, 7vw, 92px) 0; background: var(--stone); }
.evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.evidence-grid article { min-height: 260px; padding: 26px 26px 22px; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
.evidence-grid article:first-child { border-left: 0; }
.evidence-grid span { display: block; margin-bottom: 36px; color: var(--green); font-size: .68rem; font-weight: 800; letter-spacing: .11em; }
.evidence-grid h3 { font-size: 1.22rem; }
.evidence-grid p { max-width: 330px; color: var(--muted); font-size: .88rem; line-height: 1.58; }
.evidence-grid b { display: block; margin-top: 26px; color: var(--purple); font-size: .66rem; letter-spacing: .09em; text-transform: uppercase; }
.form-layout-validation { padding-top: clamp(64px, 7vw, 96px); }

.resource-index { padding: clamp(58px, 7vw, 94px) 0; background: var(--white); }
.resource-feature { display: grid; grid-template-columns: minmax(350px, 1fr) minmax(245px, .45fr); gap: clamp(48px, 9vw, 145px); align-items: end; padding: clamp(32px, 4vw, 52px); color: var(--white); background: var(--ink); }
.resource-feature .eyebrow { color: var(--green-pale); }
.resource-feature h2 { color: var(--white); font-size: clamp(1.95rem, 2.9vw, 3.02rem); }
.resource-feature p:not(.eyebrow) { max-width: 650px; color: rgba(255,255,255,.72); }
.resource-feature dl { margin: 0; border-top: 1px solid rgba(255,255,255,.25); }
.resource-feature dl div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.resource-feature dt { margin-bottom: 4px; color: var(--green-pale); font-size: .62rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.resource-feature dd { margin: 0; color: var(--white); font-size: .86rem; font-weight: 700; }
.library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 0; border-left: 1px solid var(--line); }
.library-grid a { min-height: 245px; padding: 28px 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: color .16s ease, background .16s ease; }
.library-grid a:hover { color: var(--white); background: var(--purple); }
.library-grid span { display: block; margin-bottom: 38px; color: var(--green); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.library-grid h3 { font-size: 1.2rem; }
.library-grid p { max-width: 410px; color: var(--muted); font-size: .88rem; line-height: 1.56; }
.library-grid b { color: var(--purple); font-size: .7rem; letter-spacing: .075em; text-transform: uppercase; }
.library-grid a:hover p, .library-grid a:hover b { color: rgba(255,255,255,.8); }
.library-grid a:hover span { color: var(--green-pale); }

.company-profile { padding: clamp(48px, 6.6vw, 90px) 0; background: var(--white); }
.company-profile-grid { display: grid; grid-template-columns: minmax(410px, 1.04fr) minmax(330px, .74fr); gap: clamp(50px, 9vw, 146px); align-items: center; }
.company-profile figure { margin: 0; }
.company-profile img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.company-profile figcaption { margin-top: 10px; color: var(--muted); font-size: .71rem; }
.company-profile h2 { font-size: clamp(2rem, 3vw, 3.14rem); }
.company-profile p:not(.eyebrow) { max-width: 510px; color: var(--muted); }
.company-principles { padding: clamp(58px, 7vw, 92px) 0; color: var(--white); background: var(--purple); }
.company-principles-heading { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(280px, .5fr); gap: clamp(44px, 8vw, 125px); align-items: end; margin-bottom: 34px; }
.company-principles-heading .eyebrow { grid-column: 1 / -1; margin: 0 0 -20px; color: var(--green-pale); }
.company-principles h2 { margin: 0; color: var(--white); }
.company-principles-heading > p { max-width: 480px; margin: 0; color: rgba(255,255,255,.72); }
.company-principles > .shell > div:last-child { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.3); }
.company-principles article { min-height: 212px; padding: 23px 25px 20px; border-bottom: 1px solid rgba(255,255,255,.25); border-left: 1px solid rgba(255,255,255,.25); }
.company-principles article:first-child { border-left: 0; }
.company-principles article span { display: block; margin-bottom: 33px; color: var(--green-pale); font-size: .67rem; font-weight: 800; letter-spacing: .1em; }
.company-principles h3 { color: var(--white); font-size: 1.17rem; }
.company-principles article p { margin-bottom: 0; color: rgba(255,255,255,.72); font-size: .87rem; line-height: 1.55; }
.company-contacts { padding: clamp(62px, 7vw, 94px) 0; background: var(--stone); }

.faq-context { padding: clamp(44px, 5.8vw, 76px) 0; color: var(--white); background: var(--ink); }
.faq-context .shell { display: grid; grid-template-columns: minmax(350px, 1fr) minmax(270px, .45fr); gap: clamp(42px, 9vw, 150px); align-items: end; }
.faq-context .eyebrow { grid-column: 1 / -1; margin: 0 0 -19px; color: var(--green-pale); }
.faq-context h2 { margin: 0; color: var(--white); font-size: clamp(1.85rem, 2.75vw, 2.86rem); }
.faq-context p:not(.eyebrow) { max-width: 500px; color: rgba(255,255,255,.72); }
.faq-context .text-link { margin-bottom: 2px; }
.faq-list { padding-top: clamp(58px, 7vw, 92px); }

.contact-brief { padding: clamp(58px, 7vw, 92px) 0; background: var(--stone); }
.contact-brief-grid { display: grid; grid-template-columns: minmax(400px, 1fr) minmax(270px, .45fr); gap: clamp(55px, 10vw, 160px); align-items: start; }
.contact-brief h2 { font-size: clamp(2rem, 3vw, 3.12rem); }
.contact-brief > div > p:not(.eyebrow) { max-width: 590px; color: var(--muted); }
.contact-brief aside { margin-top: 4px; padding: 21px 22px; border-left: 3px solid var(--cyan); background: var(--white); }
.contact-brief aside span { display: block; margin-bottom: 8px; color: var(--green); font-size: .62rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-brief aside p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.58; }
.form-stage { max-width: 940px; padding-block: clamp(62px, 7vw, 96px); }
.form-stage .lead-form { max-width: 790px; margin-left: auto; }
.consultation-stage { padding: clamp(58px, 7vw, 92px) 0; background: var(--stone); }
.consultation-stage-grid { display: grid; grid-template-columns: minmax(290px, .67fr) minmax(430px, 1fr); gap: clamp(48px, 9vw, 132px); align-items: start; }
.consultation-stage aside h2 { font-size: clamp(2rem, 2.9vw, 3.02rem); }
.consultation-steps { margin: 29px 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.consultation-steps li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.consultation-steps span { padding-top: 2px; color: var(--green); font-size: .67rem; font-weight: 800; letter-spacing: .1em; }
.consultation-steps h3 { margin-bottom: 4px; font-size: 1rem; }
.consultation-steps p { margin: 0; color: var(--muted); font-size: .87rem; line-height: 1.53; }

.site-footer { color: rgba(255,255,255,.75); background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .72fr .82fr; gap: 68px; padding: 55px 0 38px; }
.footer-grid img { width: 204px; margin-bottom: 16px; filter: brightness(0) invert(1) grayscale(1); opacity: .96; }
.footer-grid p { max-width: 380px; color: var(--white); }
.footer-grid small { display: block; max-width: 440px; color: rgba(255,255,255,.58); line-height: 1.52; }
.footer-grid h2 { margin: 0 0 14px; color: rgba(255,255,255,.58); font-size: .67rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a { display: block; margin: 8px 0; font-size: .82rem; }
.footer-grid a:hover, .footer-bottom a:hover { color: var(--green-pale); }
.footer-bottom { padding: 17px 0; border-top: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.55); font-size: .74rem; }
.footer-bottom a { margin-left: 14px; color: var(--white); }

@media (min-width: 1320px) { .site-context { display: block; } }
@media (max-width: 1160px) {
  .header-row { min-height: 72px; gap: 14px; }
  .brand { width: 163px; }
  .nav-toggle { display: inline-flex; align-items: center; min-height: 40px; margin-left: auto; }
  .site-nav { display: none; position: absolute; top: 100%; right: 0; left: 0; padding: 12px 24px 18px; border: 1px solid var(--line); border-top: 0; background: var(--white); box-shadow: 0 14px 25px rgba(16,25,36,.12); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: .78rem; }
  .site-nav a::after { display: none; }
  .site-nav .nav-mobile-cta { display: inline-flex; width: max-content; margin-top: 12px; padding: 11px 14px; border: 1px solid var(--purple); color: var(--white); background: var(--purple); font-size: .69rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
  .card-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid.four .card:nth-child(3) { border-left: 0; }
}

@media (max-width: 820px) {
  .shell { width: min(var(--shell), calc(100% - 38px)); }
  .hero-grid, .media-copy, .form-layout, .leadership-grid, .validation-intro, .technical-grid, .decision-panel, .page-hero-grid, .system-dossier-grid, .technology-observatory-grid, .validation-brief-grid, .resource-feature, .company-profile-grid, .contact-brief-grid, .consultation-stage-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 33px; }
  .hero-visual { max-width: 680px; }
  .media-copy-system > figure { order: 0; }
  .section-heading, .chapter-heading, .application-brief-header, .company-principles-heading, .faq-context .shell { grid-template-columns: 1fr; gap: 10px; }
  .section-heading > p { max-width: 650px; }
  .process-route, .application-grid { grid-template-columns: 1fr; }
  .process-route li, .process-route li + li { min-height: 0; padding: 23px 0; border-top: 1px solid var(--line); border-left: 0; }
  .process-route li:first-child { border-top: 0; }
  .card-grid.three { grid-template-columns: 1fr; }
  .card-grid .card { min-height: 0; border-left: 0; }
  .application-grid .card { min-height: 0; }
  .technical-grid dl div { grid-template-columns: 1fr; gap: 4px; }
  .page-hero-brief { max-width: 660px; padding-left: 16px; }
  .document-list article, .resource-list a { grid-template-columns: 38px minmax(0, 1fr); }
  .document-list strong, .resource-list b { grid-column: 2; }
  .system-portrait { max-width: 720px; }
  .system-callout .shell, .review-boundary-grid, .application-note .shell { grid-template-columns: 1fr; gap: 22px; }
  .system-callout .text-link, .application-note .button { justify-self: start; }
  .ledger-list article { grid-template-columns: 46px minmax(0, 1fr); gap: 15px 22px; }
  .ledger-list article > p { grid-column: 2; margin-top: 0; }
  .control-ledger dl div { grid-template-columns: 1fr; gap: 5px; }
  .application-brief-header .eyebrow, .company-principles-heading .eyebrow, .faq-context .eyebrow { grid-column: auto; margin: 0; }
  .application-matrix article { grid-template-columns: 46px minmax(0, 1fr); gap: 13px 22px; }
  .application-matrix article > p, .application-matrix article > a { grid-column: 2; }
  .evidence-grid, .company-principles > .shell > div:last-child { grid-template-columns: 1fr; }
  .evidence-grid article, .company-principles article { min-height: 0; border-left: 0; }
  .library-grid { grid-template-columns: 1fr; }
  .library-grid a { min-height: 0; border-left: 1px solid var(--line); }
  .faq-context .text-link { margin-top: 5px; }
  .contact-brief aside { max-width: 630px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .shell { width: min(var(--shell), calc(100% - 28px)); }
  .header-row { min-height: 67px; gap: 9px; }
  .brand { width: 128px; }
  .header-cta { display: none; }
  .nav-toggle { min-height: 37px; font-size: .68rem; }
  .site-nav { right: -14px; left: -14px; padding-inline: 18px; }
  .hero-home h1 { font-size: clamp(2.18rem, 10vw, 2.7rem); }
  .hero-note { font-size: .78rem; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-facts div, .hero-facts div:first-child { min-height: 0; padding: 11px 15px; border-top: 1px solid var(--line-dark); border-left: 0; }
  .page-hero .shell { padding-block: 19px 26px; }
  .page-hero h1 { font-size: 2.05rem; }
  .breadcrumb { margin-bottom: 15px; }
  .actions { align-items: stretch; flex-direction: column; }
  .actions .button { width: 100%; }
  .card-grid.four, .form-grid, .contact-cards { grid-template-columns: 1fr; }
  .card-grid.four .card:nth-child(3) { border-left: 0; }
  .full-span { grid-column: auto; }
  .lead-form { padding: 23px 19px; }
  .system-dossier, .technology-observatory, .company-profile { padding-block: 42px; }
  .system-brief h2, .technology-copy h2, .validation-brief h2, .contact-brief h2, .consultation-stage aside h2 { font-size: 2rem; }
  .system-callout, .review-boundary, .application-note, .company-principles, .faq-context { padding-block: 44px; }
  .ledger-list article, .application-matrix article { padding-block: 20px; }
  .ledger-list h3, .application-matrix h3 { font-size: 1.07rem; }
  .evidence-grid article { padding: 21px 0; }
  .evidence-grid span, .company-principles article span, .library-grid span { margin-bottom: 20px; }
  .company-principles article { padding: 21px 0; }
  .resource-feature { padding: 25px 20px; }
  .library-grid a { padding: 23px 20px; }
  .form-stage { padding-block: 46px; }
  .document-list article, .resource-list a { gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom a { margin-left: 7px; }
}