:root {
  color-scheme: light;
  --ink: #151b2a;
  --muted: #5b6476;
  --blue: #315fe9;
  --blue-dark: #1e3fa8;
  --blue-pale: #eef3ff;
  --navy: #0e1730;
  --line: #dfe4ed;
  --panel: #f6f8fb;
  --white: #ffffff;
  --green: #146c43;
  --green-bg: #e6f5ed;
  --amber: #8a5200;
  --amber-bg: #fff2d8;
  --red: #a12c38;
  --red-bg: #ffe9ec;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(17, 35, 78, .14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); line-height: 1.55; }
button { font: inherit; }
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 10; background: var(--white); padding: 10px 14px; border: 2px solid var(--blue); }
.skip-link:focus { top: 12px; }

.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 5; }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-width: 44px; min-height: 44px; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; background: var(--navy); color: var(--white); font-size: 13px; letter-spacing: .04em; }
nav { display: flex; gap: 24px; }
nav a { color: var(--muted); display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 14px; font-weight: 650; }
nav a:hover, nav a:focus-visible { color: var(--blue); }

.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: 70px; align-items: center; padding-block: 96px 104px; }
.eyebrow { margin: 0 0 12px; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800; color: var(--blue); }
.eyebrow.light { color: #f1f4ff; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; margin-top: 0; }
h1 { font-size: clamp(44px, 6vw, 72px); margin-bottom: 24px; max-width: 850px; }
h2 { font-size: clamp(32px, 4vw, 48px); margin-bottom: 20px; }
h3 { font-size: 20px; margin-bottom: 10px; }
p { margin-top: 0; }
.lede { color: var(--muted); font-size: clamp(18px, 2vw, 22px); max-width: 720px; }
.lede.small { font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 20px; border: 1px solid transparent; border-radius: 10px; text-decoration: none; font-weight: 760; cursor: pointer; }
.button.primary { background: var(--blue); color: var(--white); }
.button.primary:hover, .button.primary:focus-visible { background: var(--blue-dark); }
.button.secondary { border-color: var(--line); background: var(--white); }
.button.inverse { background: var(--white); color: var(--navy); }
.proof-list { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 0; list-style: none; color: var(--muted); font-size: 14px; }
.proof-list li::before { content: "✓"; color: var(--green); font-weight: 850; margin-right: 7px; }

.review-card { background: var(--navy); color: var(--white); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); transform: rotate(1deg); }
.review-head { display: flex; justify-content: space-between; gap: 16px; font-weight: 730; margin-bottom: 22px; }
.status { color: #9ee4bd; font-size: 13px; }
.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.metric-grid > div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1); border-radius: 13px; padding: 16px; display: flex; flex-direction: column; }
.metric-grid strong { font-size: 28px; letter-spacing: -.04em; }
.metric-grid span { color: #b9c3d9; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.mini-flow { margin: 18px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; }
.mini-flow > li { display: grid; grid-template-columns: 32px 1fr; gap: 10px; align-items: center; background: rgba(255,255,255,.05); border-radius: 10px; padding: 10px; }
.mini-flow > li > span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--blue); font-weight: 800; }
.mini-flow p { margin: 0; font-size: 13px; color: #c9d2e4; }
.mini-flow strong { color: var(--white); }
.fine-print { color: #8f9bb5; font-size: 11px; margin: 14px 0 0; }

.problem-band { background: var(--navy); color: var(--white); padding-block: 72px; }
.problem-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.problem-points { display: grid; gap: 14px; }
.problem-points p { border-left: 2px solid #597be8; padding-left: 18px; color: #c7d0e3; }
.problem-points strong { color: var(--white); }

.section { padding-block: 92px; }
.section.muted { background: var(--panel); }
.section-intro { max-width: 720px; margin-bottom: 42px; }
.section-intro > p:last-child { color: var(--muted); font-size: 18px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid article { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; min-height: 220px; }
.card-grid article > span { color: var(--blue); font-weight: 800; font-size: 13px; }
.card-grid h3 { margin-top: 32px; }
.card-grid p { color: var(--muted); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.checklist-panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 900; }
.pilot-box { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; background: var(--blue); color: var(--white); border-radius: 26px; padding: clamp(28px, 6vw, 64px); }
.pilot-box p { color: #f1f4ff; }
.pilot-action { border-left: 1px solid rgba(255,255,255,.35); padding-left: 36px; }
.pilot-action strong { color: var(--white); }
.pilot-actions { margin: 26px 0 0; }
.boundary { padding-block: 50px 88px; max-width: 900px; }
.boundary h2 { font-size: 28px; }
.boundary p { color: var(--muted); }

.sample { padding-block: 72px 100px; }
.sample-title { max-width: 850px; margin-bottom: 60px; }
.sample section { margin-top: 70px; }
.notice { border-left: 4px solid var(--amber); background: var(--amber-bg); color: #5d3b00; padding: 14px 16px; border-radius: 8px; margin-top: 24px; }
.sample-metrics { grid-template-columns: repeat(4, 1fr); max-width: 780px; }
.sample-metrics > div { background: var(--panel); border: 1px solid var(--line); }
.sample-metrics span { color: var(--muted); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; min-width: 900px; font-size: 14px; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--panel); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
.pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.pill.approved { color: var(--green); background: var(--green-bg); }
.pill.owner { color: var(--amber); background: var(--amber-bg); }
.pill.gap { color: var(--red); background: var(--red-bg); }
.evidence-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.evidence-cards article { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.evidence-cards article p:not(.eyebrow) { color: var(--muted); }
.gap-item { display: grid; grid-template-columns: 80px 1fr; gap: 18px; border-top: 1px solid var(--line); padding-block: 24px; }
.gap-item:last-child { border-bottom: 1px solid var(--line); }
.gap-item p { color: var(--muted); }

.legal { padding-block: 72px 110px; max-width: 980px; }
.legal-hero { max-width: 820px; margin-bottom: 52px; }
.legal-hero h1 { font-size: clamp(42px, 6vw, 64px); }
.legal-updated { color: var(--muted); font-size: 14px; }
.legal-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; align-items: start; }
.legal-toc { position: sticky; top: 104px; border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.legal-toc strong { display: block; margin-bottom: 10px; }
.legal-toc a { display: block; color: var(--muted); padding: 7px 0; text-decoration: none; }
.legal-toc a:hover, .legal-toc a:focus-visible { color: var(--blue); }
.legal-copy section { border-top: 1px solid var(--line); padding: 34px 0 16px; scroll-margin-top: 96px; }
.legal-copy section:first-child { border-top: 0; padding-top: 0; }
.legal-copy h2 { font-size: 30px; }
.legal-copy h3 { margin-top: 26px; }
.legal-copy p, .legal-copy li, .legal-copy dd { color: var(--muted); }
.legal-copy strong, .legal-copy dt { color: var(--ink); }
.legal-copy ul { padding-left: 22px; }
.legal-copy li + li { margin-top: 8px; }
.identity-list { display: grid; grid-template-columns: 170px 1fr; gap: 8px 18px; margin: 24px 0; }
.identity-list dt { font-weight: 760; }
.identity-list dd { margin: 0; }
.legal-note { border-left: 4px solid var(--blue); background: var(--blue-pale); padding: 16px 18px; border-radius: 8px; }
.legal-actions { margin: 18px 0 0; }
.boundary-actions { margin: 28px 0 0; }

footer { background: var(--panel); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-wrap { min-height: 86px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-wrap p { margin: 0; }
.footer-wrap p + p { margin-top: 4px; }
.footer-links { gap: 16px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a { text-decoration: underline; text-underline-offset: 3px; }
.footer-contact { appearance: none; display: inline-flex; align-items: center; min-height: 44px; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.footer-contact:hover, .footer-contact:focus-visible { color: var(--blue); }
.contact-feedback { flex: 0 0 100%; margin: 4px 0 0; font-size: 13px; line-height: 1.45; overflow-wrap: anywhere; }

#deliverables, #fit, #pilot { scroll-margin-top: 88px; }
:focus-visible { outline: 3px solid #ffffff; outline-offset: 3px; box-shadow: 0 0 0 6px var(--blue-dark); }

@media (max-width: 860px) {
  nav[aria-label="Primary navigation"] a:not(:last-child) { display: none; }
  .hero, .problem-grid, .split, .pilot-box { grid-template-columns: 1fr; }
  .hero { gap: 48px; padding-block: 64px 76px; }
  .review-card { transform: none; }
  .problem-grid, .split { gap: 34px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .pilot-action { border-left: 0; border-top: 1px solid rgba(255,255,255,.35); padding: 28px 0 0; }
  .sample-metrics, .evidence-cards { grid-template-columns: repeat(2, 1fr); }
  .legal-grid { grid-template-columns: 1fr; gap: 28px; }
  .legal-toc { position: static; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  .wordmark > span:last-child { display: none; }
  h1 { font-size: 42px; }
  .card-grid, .sample-metrics, .evidence-cards { grid-template-columns: 1fr; }
  .card-grid article { min-height: auto; }
  .proof-list { display: grid; }
  .footer-wrap { align-items: flex-start; flex-direction: column; justify-content: center; }
  .footer-links { justify-content: flex-start; }
  .gap-item { grid-template-columns: 1fr; }
  .identity-list { grid-template-columns: 1fr; gap: 2px; }
  .identity-list dd + dt { margin-top: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}