:root {
  --blue: #2c5880;
  --navy: #1c3f5c;
  --steel: #6a8cae;
  --earth: #8e6d45;
  --clay: #b85433;
  --ink: #172433;
  --text: #3e4852;
  --muted: #727b84;
  --line: #d7dde2;
  --soft: #eef3f7;
  --white: #ffffff;
  --shell: min(1180px, calc(100vw - 64px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.shell { width: var(--shell); margin-inline: auto; }
.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; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--navy);
  color: white;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid transparent;
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 28px rgba(28, 63, 92, 0.06);
}

.header-inner {
  height: 88px;
  display: grid;
  grid-template-columns: 230px 1fr auto;
  align-items: center;
  gap: 30px;
}

.wordmark {
  display: inline-flex;
  width: fit-content;
  flex-direction: column;
  color: var(--navy);
  text-transform: uppercase;
  line-height: 1;
}

.wordmark-primary { font-size: 25px; font-weight: 760; letter-spacing: 0.22em; }
.wordmark-secondary { margin-top: 7px; font-size: 9px; font-weight: 680; letter-spacing: 0.27em; }

.site-nav { justify-self: center; display: flex; align-items: center; gap: 32px; }
.site-nav a { position: relative; color: #283642; font-size: 14px; font-weight: 540; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: -8px; left: 0; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform 220ms var(--ease); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border: 1px solid var(--blue);
  border-radius: 0;
  font-size: 14px;
  font-weight: 620;
  letter-spacing: -0.01em;
  transition: color 220ms ease, background 220ms ease, transform 220ms var(--ease);
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible, .site-nav a:focus-visible, .text-link:focus-visible { outline: 3px solid rgba(44, 88, 128, 0.25); outline-offset: 4px; }
.button svg, .text-link svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.button-primary { color: white; background: var(--blue); }
.button-primary:hover { background: var(--navy); }
.button-secondary { color: var(--navy); background: transparent; }
.button-secondary:hover { color: white; background: var(--navy); }
.button-white { color: var(--navy); background: white; border-color: white; }
.button-white:hover { background: var(--soft); }

.menu-toggle { display: none; }

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(340px, 0.78fr);
  align-items: start;
  gap: 36px;
  padding-top: 148px;
  padding-bottom: 46px;
}

.kicker, .section-index {
  margin: 0 0 24px;
  color: var(--earth);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.product-tagline { color: var(--earth); font-size: 14px; letter-spacing: 0.025em; text-transform: none; }

.hero h1 {
  max-width: 750px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(50px, 5.2vw, 68px);
  font-weight: 710;
  letter-spacing: -0.048em;
  line-height: 0.99;
}

.hero h1::after { content: ""; display: inline-block; width: 10px; height: 10px; margin-left: 6px; border-radius: 50%; background: var(--earth); }
.hero-intro { max-width: 650px; margin: 30px 0 0; color: var(--blue); font-size: clamp(20px, 1.8vw, 25px); line-height: 1.42; letter-spacing: -0.018em; }
.intent-statement { max-width: 650px; margin: 22px 0 0; padding-left: 16px; color: var(--muted); border-left: 2px solid var(--earth); font-size: 12px; line-height: 1.55; }
.intent-statement strong { display: block; margin-bottom: 2px; color: var(--earth); font-weight: 680; letter-spacing: 0.04em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-art { position: relative; align-self: stretch; display: grid; align-content: center; }
.hero-art img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: contain; mix-blend-mode: multiply; }
.art-caption { position: absolute; right: 0; bottom: 54px; margin: 0; color: var(--muted); font-size: 10px; font-weight: 620; letter-spacing: 0.14em; text-transform: uppercase; }

.metrics-band { background: var(--soft); border-block: 1px solid #e1e7ec; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metrics-grid article { min-height: 130px; display: flex; flex-direction: column; justify-content: center; padding: 24px 34px; border-left: 1px solid #cdd6de; }
.metrics-grid article:last-child { border-right: 1px solid #cdd6de; }
.metrics-grid strong { color: var(--blue); font-size: clamp(32px, 3.2vw, 46px); font-weight: 560; letter-spacing: -0.035em; line-height: 1; }
.metrics-grid span { max-width: 210px; margin-top: 10px; color: #4d5a65; font-size: 13px; line-height: 1.35; }

.section { padding-block: 120px; scroll-margin-top: 90px; }
.editorial-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 90px; }
.section-heading h2, .structure-intro h2, .proof-copy h2, .operating-copy h2, .mandate-copy h2, .economics-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(38px, 4.1vw, 60px);
  font-weight: 680;
  letter-spacing: -0.045em;
  line-height: 1.06;
}
.section-copy { padding-top: 8px; }
.section-copy p { margin: 0 0 22px; color: var(--text); font-size: 18px; line-height: 1.65; }
.section-copy .lead { color: var(--ink); font-size: 23px; line-height: 1.5; }

.corridor-rail { display: grid; grid-template-columns: 0.65fr repeat(4, 1fr); margin-top: 92px; border-block: 1px solid var(--line); }
.corridor-rail > * { min-height: 138px; padding: 24px 22px; border-right: 1px solid var(--line); }
.corridor-rail > *:last-child { border-right: 0; }
.rail-label { display: grid; align-content: center; color: var(--earth); font-size: 12px; font-weight: 680; letter-spacing: 0.14em; text-transform: uppercase; }
.corridor-rail article { display: grid; grid-template-columns: 38px 1fr; grid-template-rows: auto auto; align-content: center; column-gap: 12px; }
.corridor-rail article span { grid-row: 1 / 3; width: 38px; height: 38px; display: grid; place-items: center; align-self: center; color: white; background: var(--blue); border-radius: 50%; font-size: 9px; font-weight: 700; letter-spacing: 0.06em; }
.corridor-rail strong { color: var(--navy); font-size: 18px; font-weight: 650; }
.corridor-rail small { color: var(--muted); font-size: 12px; }

.section-blue { color: white; background: var(--navy); }
.section-index-light { color: #c9b38f; }
.economics-heading { display: grid; grid-template-columns: 1fr 0.75fr; gap: 100px; align-items: end; }
.economics-heading h2 { color: white; }
.economics-heading p { margin: 0 0 6px; color: #cad6df; font-size: 18px; line-height: 1.62; }

.return-flow { display: grid; grid-template-columns: 0.9fr 1.1fr 36px 1fr 36px 1fr 36px 1.08fr; gap: 16px; align-items: stretch; margin-top: 72px; }
.flow-intro, .flow-step { min-height: 170px; display: flex; flex-direction: column; justify-content: center; padding: 24px; border: 1px solid rgba(255,255,255,0.24); }
.flow-intro { border: 0; padding-left: 0; }
.flow-intro span { color: #c9b38f; font-size: 12px; letter-spacing: 0.13em; text-transform: uppercase; }
.flow-intro strong { margin-block: 8px; font-size: 46px; font-weight: 560; line-height: 1; }
.flow-intro small { color: #a9bac8; font-size: 13px; line-height: 1.35; }
.flow-step strong { font-size: 31px; font-weight: 560; letter-spacing: -0.03em; }
.flow-step span { margin-top: 12px; color: #b9c8d3; font-size: 13px; line-height: 1.4; }
.flow-result { background: white; border-color: white; }
.flow-result strong { color: var(--navy); }
.flow-result span { color: var(--text); }
.flow-arrow { width: 32px; align-self: center; fill: none; stroke: #8faac0; stroke-width: 1.5; }
.economics-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin-top: 48px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.22); }
.economics-notes p { margin: 0; color: #bccbd6; font-size: 14px; }
.economics-notes span { display: block; margin-bottom: 6px; color: white; font-weight: 650; }

.structure-intro { max-width: 760px; }
.structure-intro p { margin: 24px 0 0; color: var(--text); font-size: 20px; }
.structure-line { display: grid; grid-template-columns: 1fr 90px 1fr 90px 1fr; align-items: start; margin-top: 72px; }
.structure-line article { min-height: 360px; padding-top: 22px; border-top: 4px solid var(--blue); }
.structure-number { margin-bottom: 45px; color: var(--earth); font-size: 12px; font-weight: 680; letter-spacing: 0.13em; }
.structure-line h3 { margin: 0; color: var(--navy); font-size: 24px; line-height: 1.15; }
.structure-line p { min-height: 72px; margin: 18px 0 0; color: var(--text); font-size: 16px; }
.structure-line ul { margin: 26px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); list-style: none; }
.structure-line li { position: relative; margin: 10px 0; padding-left: 16px; color: var(--muted); font-size: 13px; }
.structure-line li::before { content: ""; position: absolute; top: 0.68em; left: 0; width: 5px; height: 1px; background: var(--earth); }
.structure-connector { position: relative; height: 4px; margin-top: 22px; background: var(--line); }
.structure-connector::after { content: ""; position: absolute; top: -3px; right: 0; width: 9px; height: 9px; border-top: 1px solid var(--steel); border-right: 1px solid var(--steel); transform: rotate(45deg); }
.structure-statement { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; padding-block: 30px; border-block: 1px solid var(--line); }
.structure-statement p { margin: 0; padding-inline: 28px; color: var(--blue); font-size: 16px; font-weight: 620; text-align: center; border-right: 1px solid var(--line); }
.structure-statement p:last-child { border-right: 0; }

.proof-section { background: var(--soft); }
.proof-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; }
.proof-copy p { margin: 30px 0 0; color: var(--text); font-size: 18px; line-height: 1.62; }
.proof-list { margin: 0; padding: 0; border-top: 1px solid #bdc9d2; list-style: none; }
.proof-list li { display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: center; min-height: 90px; border-bottom: 1px solid #bdc9d2; }
.proof-list span { color: var(--earth); font-size: 11px; font-weight: 680; letter-spacing: 0.11em; }
.proof-list p { margin: 0; color: var(--text); font-size: 14px; }
.proof-list strong { display: inline-block; min-width: 170px; color: var(--navy); font-size: 16px; }

.operating-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 100px; align-items: start; }
.operating-number { min-height: 330px; display: flex; flex-direction: column; justify-content: end; padding: 42px; color: white; background: var(--blue); }
.operating-number strong { font-size: clamp(64px, 8vw, 110px); font-weight: 520; letter-spacing: -0.06em; line-height: 0.9; }
.operating-number span { max-width: 330px; margin-top: 26px; font-size: 16px; line-height: 1.45; }
.operating-copy { padding-top: 12px; }
.operating-copy p { margin: 26px 0 0; color: var(--text); font-size: 18px; line-height: 1.62; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 34px; color: var(--blue); font-size: 14px; font-weight: 650; }

.mandate-section { color: white; background: var(--blue); }
.mandate-grid { display: grid; grid-template-columns: 1.07fr 0.93fr; gap: 120px; }
.mandate-copy h2 { color: white; }
.mandate-copy > p { max-width: 610px; margin: 28px 0 34px; color: #dbe5ed; font-size: 20px; }
.mandate-detail { padding: 40px; border: 1px solid rgba(255,255,255,0.28); }
.mandate-detail h3 { margin: 0 0 24px; font-size: 13px; font-weight: 680; letter-spacing: 0.14em; text-transform: uppercase; }
.mandate-detail ul { margin: 0; padding: 0; list-style: none; }
.mandate-detail li { padding-block: 12px; border-bottom: 1px solid rgba(255,255,255,0.18); color: #edf3f7; font-size: 15px; }
.fee-note { margin: 30px 0 0; color: #bfcfdc; font-size: 13px; line-height: 1.6; }

.site-footer { padding-block: 76px 36px; color: #c0ccd5; background: #142d42; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr auto; gap: 50px; align-items: start; padding-bottom: 56px; }
.wordmark-footer { color: white; }
.footer-top > p { max-width: 360px; margin: 0; font-size: 18px; }
.footer-links { display: flex; gap: 24px; color: white; font-size: 14px; }
.footer-links a:hover { color: #d7b785; }
.footer-legal { display: grid; grid-template-columns: 1.5fr 0.5fr; gap: 60px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.16); }
.footer-legal p { margin: 0; font-size: 11px; line-height: 1.65; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 800ms var(--ease), transform 800ms var(--ease); }
.reveal-delay { transition-delay: 120ms; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
  :root { --shell: min(100% - 44px, 920px); }
  .header-inner { grid-template-columns: 200px 1fr auto; gap: 18px; }
  .site-nav { gap: 20px; }
  .header-cta { padding-inline: 16px; }
  .hero { grid-template-columns: 1fr 0.72fr; gap: 24px; }
  .metrics-grid article { padding-inline: 22px; }
  .return-flow { grid-template-columns: repeat(4, 1fr); }
  .flow-intro { grid-column: 1 / -1; min-height: auto; display: grid; grid-template-columns: auto auto 1fr; gap: 12px; align-items: baseline; }
  .flow-intro strong { font-size: 34px; }
  .flow-arrow { display: none; }
  .structure-line { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .structure-connector { display: none; }
  .proof-grid, .operating-grid { gap: 56px; }
  .mandate-grid { gap: 70px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100% - 36px); }
  .site-header { position: sticky; }
  .header-inner { height: 76px; grid-template-columns: 1fr auto; }
  .wordmark-primary { font-size: 22px; }
  .header-cta { display: none; }
  .menu-toggle { display: grid; width: 44px; height: 44px; padding: 12px; place-content: center; gap: 7px; border: 0; background: transparent; }
  .menu-toggle span:not(.sr-only) { width: 22px; height: 1px; display: block; background: var(--navy); transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; top: 76px; left: 0; width: 100%; display: none; padding: 12px 18px 22px; background: white; border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 70px; padding-bottom: 28px; }
  .hero h1 { font-size: clamp(46px, 12vw, 66px); }
  .hero-art { min-height: 360px; }
  .hero-art img { max-height: 440px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metrics-grid article { min-height: 116px; border-bottom: 1px solid #cdd6de; }
  .metrics-grid article:nth-child(2) { border-right: 1px solid #cdd6de; }
  .section { padding-block: 86px; }
  .editorial-grid, .economics-heading, .proof-grid, .operating-grid, .mandate-grid { grid-template-columns: 1fr; gap: 48px; }
  .corridor-rail { grid-template-columns: 1fr 1fr; }
  .corridor-rail .rail-label { grid-column: 1 / -1; min-height: 70px; border-bottom: 1px solid var(--line); }
  .corridor-rail > * { border-bottom: 1px solid var(--line); }
  .return-flow { grid-template-columns: 1fr 1fr; }
  .economics-notes { gap: 40px; }
  .structure-line { grid-template-columns: 1fr; gap: 58px; }
  .structure-line article { min-height: auto; }
  .structure-line p { min-height: 0; }
  .structure-number { margin-bottom: 24px; }
  .structure-statement { grid-template-columns: 1fr; }
  .structure-statement p { padding-block: 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .structure-statement p:last-child { border-bottom: 0; }
  .footer-top, .footer-legal { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 540px) {
  :root { --shell: calc(100% - 28px); }
  .hero { padding-top: 54px; }
  .kicker { margin-bottom: 18px; }
  .hero h1 { font-size: clamp(42px, 13vw, 56px); line-height: 1.02; }
  .hero h1::after { width: 7px; height: 7px; }
  .hero-intro { margin-top: 22px; font-size: 19px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-art { min-height: 280px; }
  .art-caption { bottom: 18px; }
  .metrics-grid { grid-template-columns: 1fr; }
  .metrics-grid article, .metrics-grid article:nth-child(2), .metrics-grid article:last-child { min-height: 104px; padding: 20px 24px; border-right: 0; }
  .metrics-grid strong { font-size: 38px; }
  .section { padding-block: 72px; }
  .section-heading h2, .structure-intro h2, .proof-copy h2, .operating-copy h2, .mandate-copy h2, .economics-heading h2 { font-size: 38px; }
  .section-copy .lead { font-size: 20px; }
  .section-copy p, .operating-copy p, .proof-copy p { font-size: 16px; }
  .corridor-rail { grid-template-columns: 1fr; margin-top: 58px; }
  .return-flow { grid-template-columns: 1fr; margin-top: 48px; }
  .flow-intro { grid-template-columns: auto auto; }
  .flow-intro small { grid-column: 1 / -1; }
  .flow-intro, .flow-step { min-height: 126px; }
  .economics-notes { grid-template-columns: 1fr; gap: 24px; }
  .proof-list li { grid-template-columns: 38px 1fr; padding-block: 12px; }
  .proof-list strong { display: block; min-width: 0; margin-bottom: 3px; }
  .operating-number { min-height: 280px; padding: 30px; }
  .mandate-detail { padding: 28px 24px; }
  .footer-links { flex-wrap: wrap; }
}

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