:root {
  --ink: #06172b;
  --ink-2: #0a223d;
  --ink-3: #0f3152;
  --blue: #0b73b4;
  --blue-2: #1597d3;
  --blue-3: #73c5ec;
  --steel: #72899a;
  --steel-dark: #445867;
  --silver: #d8e2e9;
  --mist: #edf2f5;
  --paper: #f6f7f5;
  --white: #ffffff;
  --graphite: #17212a;
  --muted: #5d6d79;
  --warm: #b49360;
  --line: rgba(78, 101, 119, .24);
  --line-dark: rgba(198, 218, 231, .17);
  --shadow-soft: 0 22px 60px rgba(3, 18, 34, .12);
  --shadow-deep: 0 30px 80px rgba(2, 12, 25, .22);
  --max: 1240px;
  --content: 780px;
  --header-h: 96px;
  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--graphite);
  background: var(--paper);
  font-family: "Segoe UI Variable", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.64;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { touch-action: manipulation; }
::selection { background: rgba(21, 151, 211, .22); }

.skip-link {
  position: fixed;
  z-index: 10000;
  left: 12px;
  top: -80px;
  padding: 12px 16px;
  color: #000;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.shell {
  width: min(calc(100% - 56px), var(--max));
  margin-inline: auto;
}
.shell.narrow { width: min(calc(100% - 56px), 980px); }
.content-width { max-width: var(--content); }

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 760;
  letter-spacing: .18em;
  line-height: 1.35;
  text-transform: uppercase;
}
.eyebrow.light { color: #9cd9f5; }
.eyebrow.warm { color: var(--warm); }

h1, h2, h3, h4 {
  overflow-wrap: anywhere;
  margin: 0;
  color: inherit;
  font-family: "Segoe UI Variable", "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 590;
  letter-spacing: -.036em;
  line-height: 1.06;
}
h1 { font-size: clamp(3.25rem, 6vw, 6.5rem); }
h2 { font-size: clamp(2.3rem, 4vw, 4.35rem); }
h3 { font-size: clamp(1.28rem, 1.7vw, 1.62rem); letter-spacing: -.024em; }
h4 { font-size: 1rem; letter-spacing: -.012em; }

p { margin: 0; }
.lede {
  max-width: 780px;
  color: #c7d4de;
  font-size: clamp(1.13rem, 1.6vw, 1.46rem);
  line-height: 1.58;
}
.body-large {
  max-width: 780px;
  color: #394a57;
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.67;
}
.prose { max-width: 780px; }
.prose p + p { margin-top: 1.25em; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.micro { font-size: .73rem; }
.rule {
  width: 62px;
  height: 2px;
  margin: 28px 0;
  background: var(--warm);
}

/* Brand */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  min-width: 220px;
  gap: 10px;
}
.brand-lockup .brand-shield-wrap,
.brand-lockup .brand-wordmark-wrap {
  display: block;
  flex: 0 0 auto;
  line-height: 0;
}
.brand-lockup .brand-shield-wrap {
  width: 48px;
  height: 50px;
}
.brand-lockup .brand-shield {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-lockup .brand-type {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.brand-lockup .brand-wordmark-wrap {
  width: 116px;
}
.brand-lockup .brand-wordmark {
  display: block;
  width: 100%;
  height: auto;
}
.brand-lockup .brand-descriptor {
  display: block;
  margin-top: 4px;
  color: #aebdca;
  font-size: .48rem;
  font-weight: 650;
  letter-spacing: .11em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  color: #fff;
  background: rgba(6, 23, 43, .88);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(14px);
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.scrolled {
  background: rgba(6, 23, 43, .97);
  box-shadow: 0 10px 32px rgba(0,0,0,.12);
}
.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}
.primary-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 31px);
  font-size: .79rem;
  font-weight: 670;
  letter-spacing: .015em;
}
.primary-nav a {
  position: relative;
  color: #d8e2e9;
  white-space: nowrap;
  transition: color .18s ease;
}
.primary-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -10px;
  height: 1px;
  background: #7fc9ec;
  transition: right .22s var(--ease);
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] { color: #fff; }
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after { right: 0; }
.nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.42);
  color: #fff !important;
  transition: border-color .18s ease, background .18s ease;
}
.nav-cta:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.28);
  color: #fff;
  background: transparent;
  cursor: pointer;
}
.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  width: 19px;
  height: 1px;
  display: block;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle-lines { position: relative; }
.nav-toggle-lines::before,
.nav-toggle-lines::after { content: ""; position: absolute; left: 0; }
.nav-toggle-lines::before { top: -6px; }
.nav-toggle-lines::after { top: 6px; }
.menu-open .nav-toggle-lines { background: transparent; }
.menu-open .nav-toggle-lines::before { top: 0; transform: rotate(45deg); }
.menu-open .nav-toggle-lines::after { top: 0; transform: rotate(-45deg); }

/* Adaptive navigation: collapses when text resizing or available width makes the full navigation unsafe. */
body.nav-condensed .nav-toggle { display: inline-flex; }
body.nav-condensed .primary-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  height: calc(100dvh - var(--header-h));
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 22px 20px 40px;
  background: rgba(6,23,43,.99);
  overflow-y: auto;
}
body.nav-condensed.menu-open .primary-nav { display: flex; }
body.nav-condensed .primary-nav a { padding: 18px 10px; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .95rem; }
body.nav-condensed .primary-nav a::after { display: none; }
body.nav-condensed .primary-nav .nav-cta { justify-content: center; margin-top: 24px; border: 1px solid rgba(255,255,255,.35); }

/* Buttons and links */
.btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: .77rem;
  font-weight: 760;
  letter-spacing: .065em;
  line-height: 1;
  text-transform: uppercase;
  transition: transform .2s var(--ease), background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { color: #fff; background: var(--blue); }
.btn.primary:hover { background: #0e83c8; }
.btn.secondary { color: #fff; border-color: rgba(255,255,255,.42); }
.btn.secondary:hover { border-color: #fff; background: rgba(255,255,255,.05); }
.btn.dark-secondary { color: var(--ink); border-color: rgba(6,23,43,.32); }
.btn.dark-secondary:hover { border-color: var(--ink); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 760;
  letter-spacing: .085em;
  text-transform: uppercase;
}
.text-link::after { content: "→"; font-size: 1rem; }
.text-link:hover::after { transform: translateX(3px); }
.section-link-gap { margin-top: 34px; }
.section-link-gap-lg { margin-top: 38px; }

/* Hero */
.home-hero,
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6,23,43,.995) 0%, rgba(6,23,43,.97) 54%, rgba(6,23,43,.88) 100%),
    radial-gradient(circle at 82% 38%, rgba(21,151,211,.26), transparent 34%),
    var(--ink);
}
.home-hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent 22%, #000 65%, #000);
  pointer-events: none;
}
.home-hero { min-height: 930px; display: flex; align-items: center; padding: 165px 0 96px; }
.home-hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(410px, .92fr);
  gap: 82px;
  align-items: center;
}
.home-hero h1 { max-width: 930px; }
.home-hero h1 .accent { color: #a7d9ef; }
.home-hero .lede { margin-top: 31px; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 38px; }
.hero-proof {
  max-width: 790px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 70px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: #9dafbd;
  font-size: .73rem;
  font-weight: 660;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-proof span { display: inline-flex; align-items: center; gap: 9px; }
.hero-proof i { width: 5px; height: 5px; border-radius: 50%; background: var(--warm); }
.hero-system {
  position: relative;
  min-height: 560px;
}
.hero-system::before {
  content: "";
  position: absolute;
  inset: 34px 4px 32px 42px;
  border: 1px solid rgba(164,194,213,.18);
}
.hero-system svg { position: absolute; inset: 0; width: 100%; height: 100%; filter: drop-shadow(0 28px 48px rgba(0,0,0,.2)); }
.hero-system-label {
  position: absolute;
  top: 3px;
  right: 2px;
  color: #7f9bb0;
  font-size: .61rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  color: #8ea2b2;
  font-size: .59rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.scroll-cue::before { content: ""; width: 42px; height: 1px; background: #667f91; }

.page-hero { min-height: 660px; padding: 190px 0 100px; display: flex; align-items: end; }
.page-hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, .88fr);
  gap: 70px;
  align-items: end;
}
.page-hero h1 { max-width: 900px; font-size: clamp(3.15rem, 5.4vw, 5.8rem); }
.page-hero .lede { margin-top: 28px; }
.page-hero-graphic { min-height: 330px; position: relative; }
.page-hero-code {
  position: absolute;
  top: 0;
  right: 0;
  color: #7f9bb0;
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* Universal sections */
.section { padding: 124px 0; }
.section.white { background: #fff; }
.section.paper { background: var(--paper); }
.section.mist { background: var(--mist); }
.section.dark { color: #fff; background: var(--ink-2); }
.section.deep { color: #fff; background: var(--ink); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: 78px;
  align-items: end;
  margin-bottom: 66px;
}
.section-head p:last-child { max-width: 600px; color: #526472; font-size: 1.1rem; }
.section.dark .section-head p:last-child,
.section.deep .section-head p:last-child { color: #aebfcb; }
.split {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  gap: 88px;
  align-items: start;
}
.split.equal { grid-template-columns: 1fr 1fr; }
.split.reverse { grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr); }
.section-index {
  color: #8da0af;
  font-size: .75rem;
  font-weight: 680;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.copy-block h2 { margin-bottom: 30px; }
.copy-block h3 { margin-bottom: 16px; }
.copy-block .body-large + .body-large { margin-top: 21px; }
.copy-block .text-link { margin-top: 32px; }

/* Home: reality */
.boundary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
  border-top: 1px solid #cad4db;
  border-left: 1px solid #cad4db;
}
.boundary-card {
  min-height: 225px;
  padding: 30px 27px 36px;
  border-right: 1px solid #cad4db;
  border-bottom: 1px solid #cad4db;
  background: rgba(255,255,255,.36);
}
.boundary-card .num { margin-bottom: 42px; color: var(--blue); font-size: .68rem; letter-spacing: .14em; }
.boundary-card h3 { margin-bottom: 14px; }
.boundary-card p { color: #5a6b78; font-size: .92rem; line-height: 1.58; }

/* Role diagram */
.role-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 92px; align-items: center; }
.role-copy h2 { margin-bottom: 28px; }
.role-copy p { max-width: 620px; color: #afbfcb; font-size: 1.1rem; }
.role-copy p + p { margin-top: 18px; }
.role-graphic { position: relative; min-height: 570px; display: grid; place-items: center; }
.role-graphic::before,
.role-graphic::after { content: ""; position: absolute; border: 1px solid rgba(160,189,209,.16); border-radius: 50%; }
.role-graphic::before { width: 486px; height: 486px; }
.role-graphic::after { width: 332px; height: 332px; }
.role-center {
  z-index: 2;
  width: 160px;
  height: 160px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 16px rgba(11,115,180,.09), 0 25px 54px rgba(0,0,0,.25);
  text-align: center;
}
.role-center strong { font-size: 1.48rem; letter-spacing: .12em; }
.role-center span { display: block; margin-top: 6px; color: #d9ebf4; font-size: .59rem; letter-spacing: .12em; text-transform: uppercase; }
.role-node {
  position: absolute;
  width: 148px;
  padding: 17px 16px;
  border: 1px solid rgba(171,196,212,.28);
  color: #c6d4dd;
  background: #0b2845;
  font-size: .68rem;
  font-weight: 660;
  letter-spacing: .075em;
  line-height: 1.42;
  text-align: center;
  text-transform: uppercase;
}
.role-node::after { content: ""; position: absolute; width: 56px; height: 1px; background: rgba(171,196,212,.28); }
.role-node.n1 { top: 42px; left: 50%; transform: translateX(-50%); }
.role-node.n1::after { left: 50%; top: 100%; transform: rotate(90deg); transform-origin: left; }
.role-node.n2 { right: 0; top: 188px; }
.role-node.n2::after { right: 100%; top: 50%; }
.role-node.n3 { right: 48px; bottom: 46px; }
.role-node.n3::after { right: 92%; top: 16%; transform: rotate(136deg); transform-origin: right; }
.role-node.n4 { left: 48px; bottom: 46px; }
.role-node.n4::after { left: 92%; top: 16%; transform: rotate(44deg); transform-origin: left; }
.role-node.n5 { left: 0; top: 188px; }
.role-node.n5::after { left: 100%; top: 50%; }


/* Text-only resize adaptation: preserve meaning and operability when the root text size is enlarged. */
body.large-text .role-graphic {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  place-items: stretch;
}
body.large-text .role-graphic::before,
body.large-text .role-graphic::after,
body.large-text .role-node::after { display: none; }
body.large-text .role-center {
  position: static;
  grid-column: 1 / -1;
  width: auto;
  height: auto;
  min-height: 120px;
  padding: 24px;
  border-radius: 2px;
}
body.large-text .role-node,
body.large-text .role-node.n1,
body.large-text .role-node.n2,
body.large-text .role-node.n3,
body.large-text .role-node.n4,
body.large-text .role-node.n5 {
  position: static;
  width: auto;
  padding: 18px 16px;
  transform: none;
  overflow-wrap: anywhere;
}
body.large-text .role-node.n5 { grid-column: 1 / -1; }

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid #c9d3da;
  background: #c9d3da;
}
.pillar {
  position: relative;
  min-height: 360px;
  padding: 46px 38px 50px;
  background: #fff;
}
.pillar::before { content: ""; position: absolute; top: 0; left: 38px; width: 64px; height: 3px; background: var(--blue-2); }
.pillar:nth-child(2)::before { background: var(--warm); }
.pillar:nth-child(3)::before { background: var(--ink-3); }
.pillar .kicker { margin-bottom: 47px; color: #758797; font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; }
.pillar h3 { margin-bottom: 20px; font-size: 1.6rem; }
.pillar p { color: #596a77; }
.pillar .text-link { margin-top: 34px; }



/* ERSA three-part public model — D-010 */
.institution-model-section .section-head { align-items: end; }
.institution-model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid #c9d4db;
  background: #c9d4db;
}
.institution-model-card {
  position: relative;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  padding: 44px 38px 46px;
  background: #fff;
}
.institution-model-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 38px;
  width: 64px;
  height: 3px;
  background: var(--blue-2);
}
.institution-model-card:nth-child(2)::before { background: var(--warm); }
.institution-model-card:nth-child(3)::before { background: #7396aa; }
.institution-model-card .model-index {
  margin-bottom: 48px;
  color: #758797;
  font-size: .68rem;
  font-weight: 720;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.institution-model-card h3 { margin-bottom: 20px; font-size: clamp(1.55rem, 2.4vw, 2.15rem); }
.institution-model-card p { color: #596a77; }
.institution-model-card .text-link { margin-top: auto; padding-top: 34px; }
.institution-model-line {
  margin: 28px 0 0;
  color: #6e8290;
  font-size: .72rem;
  font-weight: 760;
  letter-spacing: .13em;
  text-align: center;
  text-transform: uppercase;
}
.section.dark .institution-model-grid { border-color: rgba(190,211,224,.18); background: rgba(190,211,224,.18); }
.section.dark .institution-model-card { background: #09223c; }
.section.dark .institution-model-card .model-index { color: #7fbfdd; }
.section.dark .institution-model-card h3 { color: #fff; }
.section.dark .institution-model-card p { color: #aabcc8; }
.engineering-program-grid .principle h3 { font-size: 1.06rem; }

/* Framework */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}
.phase-card {
  min-height: 310px;
  padding: 31px 25px 35px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.phase-card .num { margin-bottom: 58px; color: #78c6ea; font-size: .68rem; letter-spacing: .16em; }
.phase-card h3 { margin-bottom: 17px; }
.phase-card p { color: #aabcc8; font-size: .91rem; line-height: 1.58; }
.phase-card .output { display: block; margin-top: 24px; color: #7591a5; font-size: .67rem; letter-spacing: .09em; line-height: 1.45; text-transform: uppercase; }

/* Capabilities */
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #cad4db;
  border-left: 1px solid #cad4db;
}
.capability-card {
  min-height: 290px;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 24px;
  padding: 37px 34px 40px;
  border-right: 1px solid #cad4db;
  border-bottom: 1px solid #cad4db;
  background: #fff;
}
.capability-card .icon {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  border: 1px solid #aec1ce;
  color: var(--blue);
  font-size: .7rem;
  font-weight: 760;
  letter-spacing: .08em;
}
.capability-card h3 { margin-bottom: 15px; }
.capability-card p { color: #596b78; }
.capability-card .tag { display: block; margin-top: 24px; color: #7a8d9b; font-size: .67rem; font-weight: 670; letter-spacing: .085em; text-transform: uppercase; }
.capability-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.capability-detail {
  padding: 42px 40px 46px;
  border: 1px solid #cbd6dc;
  background: #fff;
}
.capability-detail .cap-num { color: var(--blue); font-size: .69rem; letter-spacing: .16em; }
.capability-detail h2 { margin: 28px 0 20px; font-size: clamp(1.8rem, 2.6vw, 2.7rem); }
.capability-detail > p { color: #536572; }
.capability-detail dl { margin: 31px 0 0; }
.capability-detail dt { margin-top: 23px; color: #7b8d99; font-size: .65rem; font-weight: 760; letter-spacing: .13em; text-transform: uppercase; }
.capability-detail dd { margin: 8px 0 0; color: #243440; }

/* Evidence */
.evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #c9d4db; border-left: 1px solid #c9d4db; }
.evidence-card { min-height: 230px; padding: 30px 27px 36px; border-right: 1px solid #c9d4db; border-bottom: 1px solid #c9d4db; }
.evidence-card .mark { width: 32px; height: 2px; margin-bottom: 42px; background: var(--blue); }
.evidence-card:nth-child(2) .mark { background: var(--warm); }
.evidence-card:nth-child(3) .mark { background: var(--ink-3); }
.evidence-card:nth-child(4) .mark { background: #7aa8bd; }
.evidence-card h3 { margin-bottom: 13px; }
.evidence-card p { color: #5b6c79; font-size: .92rem; }

/* Strategic development */
.development-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 92px; align-items: center; }
.development-layout h2 { margin-bottom: 26px; }
.development-layout > div:first-child > p:last-child { color: #afbfcb; font-size: 1.08rem; }
.development-steps { border-top: 1px solid rgba(190,211,224,.2); }
.development-step {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 20px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(190,211,224,.2);
}
.development-step > span { color: #77c5e9; font-size: .68rem; letter-spacing: .13em; }
.development-step strong { display: block; margin-bottom: 5px; font-size: 1rem; }
.development-step small { color: #9eb2c0; font-size: .83rem; line-height: 1.55; }
.gate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid #cbd5dc; background: #cbd5dc; }
.gate-card { min-height: 280px; padding: 38px 32px 42px; background: #fff; }
.gate-card .label { margin-bottom: 38px; color: var(--blue); font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; }
.gate-card h3 { margin-bottom: 16px; }
.gate-card p { color: #596a77; }

/* Inner page graphics */
.interface-map { position: absolute; inset: 30px 0 0 20px; }
.interface-map .ring { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(157,193,215,.25); border-radius: 50%; transform: translate(-50%,-50%); }
.interface-map .r1 { width: 300px; height: 300px; }
.interface-map .r2 { width: 220px; height: 220px; }
.interface-map .r3 { width: 130px; height: 130px; background: rgba(11,115,180,.85); border: 0; box-shadow: 0 0 0 15px rgba(11,115,180,.08); }
.interface-map .r3::after { content: "ERSA"; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); font-weight: 760; letter-spacing: .13em; }
.interface-map .tick { position: absolute; color: #97adbc; font-size: .59rem; letter-spacing: .12em; text-transform: uppercase; }
.interface-map .t1 { left: 50%; top: 0; transform: translateX(-50%); }
.interface-map .t2 { right: 0; top: 48%; }
.interface-map .t3 { left: 50%; bottom: 0; transform: translateX(-50%); }
.interface-map .t4 { left: 0; top: 48%; }

.framework-graphic { position: absolute; inset: 20px 0 0; display: grid; align-content: center; gap: 13px; }
.framework-graphic .line-step { display: grid; grid-template-columns: 45px 1fr; align-items: center; gap: 16px; }
.framework-graphic .line-step span { color: #82cceb; font-size: .65rem; letter-spacing: .14em; }
.framework-graphic .line-step i { height: 2px; background: linear-gradient(90deg, rgba(21,151,211,.95), rgba(21,151,211,.12)); }
.framework-graphic .line-step:nth-child(2) i { width: 88%; }
.framework-graphic .line-step:nth-child(3) i { width: 76%; }
.framework-graphic .line-step:nth-child(4) i { width: 64%; }
.framework-graphic .line-step:nth-child(5) i { width: 52%; }

.capability-orbit { position: absolute; inset: 10px 0 0 0; }
.capability-orbit::before, .capability-orbit::after { content:""; position:absolute; border:1px solid rgba(154,190,212,.22); border-radius:50%; left:50%; top:50%; transform:translate(-50%,-50%); }
.capability-orbit::before { width:310px; height:310px; }
.capability-orbit::after { width:190px; height:190px; }
.capability-orbit .center { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); width:100px; height:100px; border-radius:50%; display:grid; place-items:center; text-align:center; background:var(--blue); font-size:.69rem; font-weight:730; letter-spacing:.12em; text-transform:uppercase; box-shadow:0 0 0 14px rgba(11,115,180,.08); }
.capability-orbit .orb { position:absolute; width:76px; height:76px; display:grid; place-items:center; border:1px solid rgba(171,201,220,.3); background:#0a2845; color:#c7d7e1; font-size:.58rem; font-weight:670; letter-spacing:.07em; line-height:1.25; text-align:center; text-transform:uppercase; }
.capability-orbit .o1 { left:50%; top:0; transform:translateX(-50%); }
.capability-orbit .o2 { right:4px; top:27%; }
.capability-orbit .o3 { right:44px; bottom:0; }
.capability-orbit .o4 { left:44px; bottom:0; }
.capability-orbit .o5 { left:4px; top:27%; }
.capability-orbit .o6 { left:50%; bottom:4px; transform:translateX(-50%); opacity:0; }

.stage-gate-graphic { position:absolute; inset:20px 0 0; display:flex; align-items:center; justify-content:center; }
.stage-gate-graphic svg { width:100%; height:100%; }

.leadership-graphic { position:absolute; inset:20px 0 0; display:grid; grid-template-columns:1fr 1fr; gap:18px; align-content:center; }
.leadership-graphic .leader-block { min-height:170px; padding:24px; border:1px solid rgba(171,201,220,.25); background:rgba(10,40,69,.6); }
.leadership-graphic .initials { margin-bottom:53px; color:#8bd2f0; font-size:2.2rem; font-weight:550; letter-spacing:.08em; }
.leadership-graphic strong { display:block; font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; }
.leadership-graphic small { color:#93a9b8; font-size:.67rem; }

.contact-graphic { position:absolute; inset:40px 0 0; }
.contact-graphic .signal { position:absolute; left:50%; top:50%; width:160px; height:160px; display:grid; place-items:center; transform:translate(-50%,-50%); border:1px solid rgba(158,194,216,.35); border-radius:50%; }
.contact-graphic .signal::before, .contact-graphic .signal::after { content:""; position:absolute; border:1px solid rgba(158,194,216,.18); border-radius:50%; }
.contact-graphic .signal::before { width:240px; height:240px; }
.contact-graphic .signal::after { width:320px; height:320px; }
.contact-graphic .signal span { color:#9bd9f3; font-size:.65rem; font-weight:720; letter-spacing:.15em; text-transform:uppercase; }

/* Lists and matrices */
.clean-list { list-style: none; margin: 0; padding: 0; }
.clean-list li { position: relative; padding: 16px 0 16px 25px; border-bottom: 1px solid #cdd7de; color: #394a57; }
.clean-list li::before { content: ""; position: absolute; left: 0; top: 26px; width: 7px; height: 7px; border: 1px solid var(--blue); }
.section.dark .clean-list li, .section.deep .clean-list li { color: #bed0dc; border-color: rgba(197,218,231,.17); }
.quote-block { padding: 38px 42px; border-left: 3px solid var(--blue); background: #fff; box-shadow: var(--shadow-soft); }
.quote-block p { font-size: clamp(1.2rem, 2vw, 1.7rem); line-height: 1.48; color: #21323e; }
.quote-block cite { display: block; margin-top: 22px; color: #728492; font-size: .68rem; font-style: normal; letter-spacing: .11em; text-transform: uppercase; }
.comparison { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid #cad5dc; }
.comparison-col { padding: 42px 38px 46px; background: #fff; }
.comparison-col + .comparison-col { border-left: 1px solid #cad5dc; }
.comparison-col h3 { margin-bottom: 25px; }
.comparison-col ul { list-style: none; margin: 0; padding: 0; }
.comparison-col li { padding: 12px 0; border-bottom: 1px solid #e0e6ea; color: #52636f; }
.comparison-col li:last-child { border-bottom: 0; }
.comparison-col.positive { background: var(--ink-2); color: #fff; }
.comparison-col.positive li { color: #b9cad6; border-color: rgba(204,220,230,.15); }

/* Leadership */
.leadership-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.leader-card { position: relative; overflow: hidden; min-height: 700px; display: grid; grid-template-rows: 360px 1fr; border: 1px solid #c8d3da; background: #fff; }
.leader-card-compact { min-height: 630px; grid-template-rows: 300px 1fr; }
.leader-visual { position: relative; display: grid; place-items: center; overflow: hidden; color: #fff; background: linear-gradient(145deg, #09233e, #0f3d65); }
.leader-visual::before { content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px); background-size:38px 38px; }
.leader-visual-empty { min-height: 360px; }
.leader-card-compact .leader-visual-empty { min-height: 300px; }
.leader-visual-empty::after { content:""; position:absolute; inset:0; background:radial-gradient(circle at 50% 45%, rgba(31,117,169,.13), transparent 42%); }
.leader-visual-photo { background: #090d12; }
.leader-visual-photo::before { display: none; }
.leader-visual-photo picture,
.leader-visual-photo img { display: block; width: 100%; height: 100%; }
.leader-visual-photo img { object-fit: cover; object-position: 50% 50%; }
.leader-visual-photo::after { content:""; position:absolute; inset:auto 0 0; height:24%; background:linear-gradient(to top, rgba(4,15,29,.22), transparent); pointer-events:none; }
.leader-card-compact .leader-visual-photo img { object-position: 50% 50%; }
.leader-copy { padding: 38px 39px 43px; }
.leader-copy .role { margin-bottom: 13px; color: var(--blue); font-size: .67rem; font-weight: 760; letter-spacing: .13em; line-height: 1.45; text-transform: uppercase; }
.leader-copy h2 { margin-bottom: 23px; font-size: clamp(2rem, 3vw, 3rem); }
.leader-copy p { color: #536572; }
.leader-copy p + p { margin-top: 17px; }
.leader-account { display: block; margin-top: 28px; padding-top: 22px; border-top: 1px solid #d7dfe4; color: #798b98; font-size: .66rem; font-weight: 690; letter-spacing: .08em; line-height: 1.45; text-transform: uppercase; }
.principle-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top:1px solid var(--line-dark); border-left:1px solid var(--line-dark); }
.principle { min-width: 0; min-height:235px; padding:30px 24px 34px; border-right:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark); }
.principle span { display:block; margin-bottom:42px; color:#79c5e7; font-size:.68rem; letter-spacing:.14em; }
.principle h3 { margin-bottom:13px; overflow-wrap: anywhere; font-size:1.15rem; }
.principle p { color:#aabcc8; font-size:.88rem; }

/* Contact */
.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: start; }
.contact-context { position: sticky; top: 135px; }
.contact-context h2 { margin-bottom: 27px; }
.contact-context > p { color: #596a77; font-size: 1.04rem; }
.contact-context-list { margin-top: 38px; border-top: 1px solid #cdd7dd; }
.contact-context-item { padding: 22px 0; border-bottom: 1px solid #cdd7dd; }
.contact-context-item span { display: block; color: #7c8f9c; font-size: .63rem; font-weight: 730; letter-spacing: .13em; text-transform: uppercase; }
.contact-context-item strong { display: block; margin-top: 5px; color: #263743; font-size: .96rem; font-weight: 560; }


/* Legal/utility */
.utility-page { padding: 180px 0 120px; background: #fff; }
.utility-page h1 { max-width: 900px; margin-bottom: 24px; font-size: clamp(2.9rem, 5vw, 5rem); }
.utility-page .status-banner { margin: 32px 0 54px; padding: 17px 19px; border-left: 3px solid var(--warm); color: #4f5f6b; background: #f3eee6; font-size: .9rem; }
.utility-prose { max-width: 840px; }
.utility-prose h2 { margin: 58px 0 20px; font-size: clamp(1.7rem, 2.7vw, 2.5rem); }
.utility-prose h3 { margin: 36px 0 14px; font-size: 1.25rem; }
.utility-prose p + p { margin-top: 1.15em; }
.utility-prose ul { margin: 18px 0; padding-left: 22px; }
.utility-prose li + li { margin-top: 8px; }

/* Closing CTA */
.final-cta { padding: 104px 0; color: #fff; background: var(--ink); }
.final-cta-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 74px; align-items: center; }
.final-cta h2 { max-width: 850px; }
.final-cta p:not(.eyebrow) { max-width: 720px; margin-top: 22px; color: #b4c4cf; font-size: 1.05rem; }
.final-cta-actions { display: flex; justify-content: flex-end; gap: 13px; flex-wrap: wrap; }

/* Footer */
.site-footer { color: #b4c4cf; background: #040f1d; border-top: 1px solid rgba(255,255,255,.08); }
.footer-main { padding: 76px 0 54px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .82fr .82fr .82fr; gap: 54px; }
.footer-brand .brand-lockup { transform-origin: left center; transform: scale(.9); margin-left: -11px; }
.footer-brand > p { max-width: 380px; margin-top: 24px; color: #8fa3b2; font-size: .9rem; }
.footer-col h4 { margin-bottom: 22px; color: #fff; font-size: .66rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.footer-col a { display: block; margin-top: 11px; color: #91a4b2; font-size: .83rem; }
.footer-col a:hover { color: #fff; }
.footer-legal { display: flex; justify-content: space-between; gap: 30px; padding: 22px 0 26px; border-top: 1px solid rgba(255,255,255,.08); color: #6f8492; font-size: .68rem; letter-spacing: .04em; }

/* Responsive */
@media (max-width: 1100px) {
  :root { --header-h: 86px; }
  .primary-nav { gap: 16px; font-size: .73rem; }
  .nav-cta { padding-inline: 12px; }
  .brand-lockup { min-width: 190px; }
  .brand-lockup .brand-shield-wrap { width: 43px; height: 46px; }
  .brand-lockup .brand-wordmark-wrap { width: 102px; }
  .brand-lockup .brand-descriptor { font-size: .42rem; }
  .home-hero-layout, .page-hero-layout { gap: 45px; }
  .home-hero-layout { grid-template-columns: minmax(0,1.1fr) minmax(330px,.9fr); }
  .hero-system { min-height: 500px; }
  .phase-grid { grid-template-columns: repeat(3,1fr); }
  .principle-grid { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 2 / 4; }
}

@media (max-width: 900px) {
  .shell, .shell.narrow { width: min(calc(100% - 38px), var(--max)); }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    height: calc(100dvh - var(--header-h));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 22px 20px 40px;
    background: rgba(6,23,43,.99);
    overflow-y: auto;
  }
  .menu-open .primary-nav { display: flex; }
  .primary-nav a { padding: 18px 10px; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .95rem; }
  .primary-nav a::after { display: none; }
  .primary-nav .nav-cta { justify-content: center; margin-top: 24px; border: 1px solid rgba(255,255,255,.35); }
  .home-hero { min-height: auto; padding: 150px 0 92px; }
  .home-hero-layout, .page-hero-layout, .section-head, .split, .split.equal, .split.reverse, .role-layout, .development-layout, .contact-layout, .final-cta-layout { grid-template-columns: 1fr; }
  .home-hero-layout { gap: 58px; }
  .hero-system { min-height: 490px; width: min(100%, 580px); margin-inline: auto; }
  .page-hero { min-height: auto; padding: 160px 0 88px; }
  .page-hero-layout { gap: 50px; }
  .page-hero-graphic { min-height: 330px; width: min(100%, 520px); }
  .section { padding: 96px 0; }
  .section-head { gap: 28px; margin-bottom: 54px; }
  .split { gap: 42px; }
  .boundary-grid, .evidence-grid { grid-template-columns: repeat(2,1fr); }
  .role-layout { gap: 55px; }
  .role-graphic { width: min(100%, 600px); margin-inline: auto; }
  .pillars, .institution-model-grid { grid-template-columns: 1fr; }
  .pillar, .institution-model-card { min-height: auto; }
  .capability-detail-grid, .leadership-grid { grid-template-columns: 1fr; }
  .gate-grid { grid-template-columns: 1fr; }
  .contact-context { position: static; }
  .contact-layout { gap: 50px; }
  .final-cta-actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
}

@media (max-width: 650px) {
  :root { --header-h: 78px; }
  .shell, .shell.narrow { width: min(calc(100% - 28px), var(--max)); }
  .brand-lockup { min-width: 155px; gap: 7px; }
  .brand-lockup .brand-shield-wrap { width: 39px; height: 41px; }
  .brand-lockup .brand-wordmark-wrap { width: 90px; }
  .brand-lockup .brand-descriptor { display: none; }
  h1 { font-size: clamp(2.75rem, 13.3vw, 4.7rem); }
  h2 { font-size: clamp(2.15rem, 10.8vw, 3.45rem); }
  .home-hero { padding: 132px 0 78px; }
  .home-hero .lede { margin-top: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .hero-proof { align-items: flex-start; flex-direction: column; gap: 10px; margin-top: 48px; }
  .hero-system { min-height: 390px; }
  .scroll-cue { display: none; }
  .page-hero { padding: 136px 0 72px; }
  .page-hero-graphic { min-height: 285px; }
  .section { padding: 76px 0; }
  .boundary-grid, .evidence-grid, .capability-grid, .phase-grid, .principle-grid { grid-template-columns: 1fr; }
  .boundary-card, .evidence-card { min-height: auto; }
  .role-graphic { min-height: 480px; transform: scale(.84); transform-origin: center; margin-block: -35px; }
  .pillar, .institution-model-card { padding: 40px 28px 43px; }
  .phase-card { min-height: auto; }
  .phase-card .num { margin-bottom: 30px; }
  .capability-card { grid-template-columns: 44px 1fr; padding: 30px 24px 34px; }
  .capability-detail { padding: 34px 27px 38px; }
  .comparison { grid-template-columns: 1fr; }
  .comparison-col + .comparison-col { border-left: 0; border-top: 1px solid #cad5dc; }
  .development-layout { gap: 52px; }
  .leader-card { min-height: auto; grid-template-rows: 320px auto; }
  .leader-card-compact { grid-template-rows: 270px auto; }
  .leader-visual-empty { min-height: 320px; }
  .leader-card-compact .leader-visual-empty { min-height: 270px; }
  .leader-copy { padding: 32px 28px 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid .footer-col:last-child { grid-column: auto; }
  .footer-legal { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}


/* Founder direction: approved portraits are used only when supplied; remaining portrait fields stay intentionally empty. */
.leader-visual-empty::after {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(255,255,255,.08);
  pointer-events: none;
}

/* Mobile refinement for the institutional role diagram */
@media (max-width: 650px) {
  .role-graphic {
    min-height: 430px;
    width: 100%;
    max-width: 100%;
    margin-block: 0;
    overflow: hidden;
    transform: none;
  }
  .role-graphic::before { width: 360px; height: 360px; }
  .role-graphic::after { width: 246px; height: 246px; }
  .role-center { width: 126px; height: 126px; }
  .role-center strong { font-size: 1.2rem; }
  .role-node { width: 108px; padding: 12px 9px; font-size: .53rem; }
  .role-node::after { width: 35px; }
  .role-node.n1 { top: 12px; }
  .role-node.n2 { right: 0; top: 142px; }
  .role-node.n3 { right: 21px; bottom: 17px; }
  .role-node.n4 { left: 21px; bottom: 17px; }
  .role-node.n5 { left: 0; top: 142px; }
}


/* Revision 0.4 — keyboard and portrait controls */
:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid #73c5ec;
  outline-offset: 4px;
}
.site-header :where(a, button):focus-visible,
.site-footer a:focus-visible,
.final-cta a:focus-visible,
.page-hero a:focus-visible,
.home-hero a:focus-visible {
  outline-color: #ffffff;
}
.utility-meta {
  margin: -8px 0 32px;
  color: #647783;
  font-size: .78rem;
  letter-spacing: .03em;
}
.utility-prose a {
  color: #075f99;
  text-decoration: underline;
  text-underline-offset: 3px;
}


/* Revision 0.13 — direct-email contact pathway */
.contact-email-panel {
  padding: 50px 48px 52px;
  border: 1px solid #c7d2d9;
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.contact-email-panel h2 {
  max-width: 680px;
  margin-bottom: 24px;
  font-size: clamp(2.15rem, 3.4vw, 3.7rem);
}
.contact-email-intro {
  max-width: 720px;
  color: #536572;
  font-size: 1.04rem;
}
.contact-email-address {
  margin-top: 34px;
  padding: 24px 26px 25px;
  border-left: 3px solid var(--blue);
  background: #eef4f7;
}
.contact-email-address span {
  display: block;
  color: #728592;
  font-size: .64rem;
  font-weight: 760;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.contact-email-address a {
  display: inline-block;
  margin-top: 6px;
  color: var(--ink-2);
  font-size: clamp(1.2rem, 2.2vw, 1.75rem);
  font-weight: 640;
  letter-spacing: -.018em;
  overflow-wrap: anywhere;
}
.contact-email-address a:hover { color: var(--blue); }
.contact-email-actions { margin-top: 24px; }
.contact-email-support {
  margin-top: 36px;
  padding-top: 31px;
  border-top: 1px solid #d4dde2;
  color: #475a67;
  font-size: .98rem;
}
.contact-brief-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid #d4dde2;
  border-left: 1px solid #d4dde2;
}
.contact-brief-item {
  min-width: 0;
  padding: 24px 23px 26px;
  border-right: 1px solid #d4dde2;
  border-bottom: 1px solid #d4dde2;
}
.contact-brief-item span {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: .64rem;
  font-weight: 760;
  letter-spacing: .14em;
}
.contact-brief-item strong {
  display: block;
  color: #263743;
  font-size: .98rem;
}
.contact-brief-item p {
  margin-top: 8px;
  color: #657681;
  font-size: .86rem;
  line-height: 1.55;
}
.contact-email-governance {
  margin-top: 24px;
  color: #687985;
  font-size: .78rem;
  line-height: 1.65;
}
.contact-email-governance a {
  color: #075f99;
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 650px) {
  .contact-email-panel { padding: 36px 24px 40px; }
  .contact-brief-grid { grid-template-columns: 1fr; }
  .contact-email-address { padding: 21px 20px 22px; }
}