:root {
  --ink: #0d1726;
  --navy: #12233d;
  --blue: #1f5fae;
  --blue-bright: #2d7ad7;
  --teal: #28a9a1;
  --paper: #ffffff;
  --mist: #f1f5f8;
  --line: #cad5df;
  --muted: #506074;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: #fff; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; line-height: 1.15; }
.brand strong { display: block; font-size: .95rem; letter-spacing: .01em; }
.brand small { display: block; margin-top: .25rem; color: var(--muted); font-size: .78rem; }
.brand-mark { width: 38px; height: 38px; border: 2px solid var(--blue); border-radius: 50%; display: grid; place-items: center; }
.brand-mark span { width: 16px; height: 16px; border: 2px solid var(--teal); border-radius: 50%; }
nav { display: flex; align-items: center; gap: 1.5rem; font-size: .9rem; font-weight: 650; }
nav a { text-decoration: none; }
nav a:not(.nav-cta):hover { color: var(--blue); }
.nav-cta { color: #fff; background: var(--ink); padding: .7rem 1rem; border-radius: 4px; }
.nav-cta:hover { background: var(--blue); }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6.5rem 1.5rem 5.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}
.eyebrow { margin: 0 0 1rem; color: var(--blue); text-transform: uppercase; letter-spacing: .13em; font-size: .76rem; font-weight: 800; }
h1, h2, h3 { line-height: 1.12; margin-top: 0; }
h1 { max-width: 840px; margin-bottom: 1.6rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 500; letter-spacing: -.045em; }
h1 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 760px; color: #36485f; font-size: clamp(1.1rem, 2vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 1.5rem; margin-top: 2rem; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: .85rem 1.2rem; border: 2px solid transparent; border-radius: 4px; text-decoration: none; font-weight: 800; }
.button-primary { color: #fff; background: var(--blue); }
.button-primary:hover { background: #174a89; }
.button-light { color: var(--ink); background: #fff; }
.button-light:hover { background: #dfefff; }
.text-link { color: var(--ink); font-weight: 800; text-underline-offset: .25rem; }
.privacy-note { margin: 1rem 0 0; color: var(--muted); font-size: .84rem; }
.decision-panel { position: relative; color: #fff; background: var(--navy); padding: 2.25rem; border-top: 7px solid var(--teal); box-shadow: 26px 26px 0 var(--mist); }
.panel-label { margin: 0 0 1rem; color: #9fd9d5; text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 800; }
.panel-question { margin: 0 0 2rem; font-family: Georgia, "Times New Roman", serif; font-size: 1.8rem; line-height: 1.3; }
.panel-lines { display: grid; }
.panel-lines span { padding: .9rem 0; border-top: 1px solid #3a4a60; font-size: .92rem; }

.signal-strip { max-width: var(--max); margin: 0 auto 2rem; padding: 0 1.5rem 4rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; }
.signal-strip p { margin: 0; padding: 1.5rem; background: var(--mist); }
.signal-strip strong { display: block; margin-bottom: .35rem; color: var(--navy); }
.section { padding: 7rem max(1.5rem, calc((100vw - var(--max)) / 2)); }
.section-heading { max-width: 790px; margin-bottom: 3.5rem; }
.section-heading h2, .final-cta h2 { margin-bottom: 1.2rem; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.25rem, 4vw, 4rem); font-weight: 500; letter-spacing: -.035em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.12rem; }
.fit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fit-grid article { min-height: 250px; padding: 2rem; background: #fff; }
.card-number { color: var(--teal); font-size: .8rem; font-weight: 900; letter-spacing: .1em; }
.fit-grid h3 { max-width: 450px; margin: 2.2rem 0 .75rem; font-size: 1.35rem; }
.fit-grid p { max-width: 520px; margin: 0; color: var(--muted); }
.boundary-note { margin-top: 2rem; padding: 1.4rem 1.6rem; border-left: 5px solid var(--blue); background: var(--mist); display: grid; grid-template-columns: 230px 1fr; gap: 2rem; }
.boundary-note p { margin: 0; }
.section-dark { color: #fff; background: var(--ink); }
.section-dark .eyebrow { color: #7ad0ca; }
.section-dark .section-heading > p:last-child { color: #bec9d6; }
.reasoning-list { border-top: 1px solid #415064; }
.reasoning-list article { display: grid; grid-template-columns: 110px 1fr 1.45fr; gap: 2rem; align-items: baseline; padding: 1.7rem 0; border-bottom: 1px solid #415064; }
.reasoning-list span { color: #7ad0ca; text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; font-weight: 800; }
.reasoning-list h3, .reasoning-list p { margin: 0; }
.reasoning-list h3 { font-size: 1.2rem; }
.reasoning-list p { color: #bec9d6; }
.method-note { max-width: 770px; margin: 2rem 0 0 auto; color: #9aa9ba; font-size: .85rem; }
.two-column-heading { max-width: none; display: grid; grid-template-columns: 1fr .85fr; gap: 6rem; align-items: end; }
.two-column-heading p:last-child { margin: 0; }
.evidence-bands { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.evidence-bands div { min-height: 160px; padding: 1.5rem; border-right: 1px solid var(--line); }
.evidence-bands div:last-child { border-right: 0; }
.evidence-bands strong, .evidence-bands span { display: block; }
.evidence-bands strong { margin-bottom: 2rem; color: var(--blue); font-size: 1.1rem; }
.evidence-bands span { color: var(--muted); font-size: .92rem; }
.center-note { margin: 2rem 0 0; text-align: center; color: var(--muted); }
.section-tint { background: var(--mist); }
.deliverables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.deliverables article { min-height: 220px; padding: 2rem; background: #fff; border-top: 4px solid var(--blue); }
.deliverables h3 { font-size: 1.25rem; }
.deliverables p { color: var(--muted); }
.engagement { display: grid; grid-template-columns: .8fr 1.2fr; gap: 7rem; }
.engagement-steps { margin: 0; padding: 0; list-style: none; }
.engagement-steps li { display: grid; grid-template-columns: 54px 1fr; gap: 1.2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.engagement-steps > li > span { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--navy); border-radius: 50%; font-weight: 800; }
.engagement-steps h3 { margin: 0 0 .35rem; font-size: 1.1rem; }
.engagement-steps p { margin: 0; color: var(--muted); }
.scope-note { grid-column: 2; margin: -4rem 0 0; color: var(--muted); font-size: .88rem; }
.faq details { border-top: 1px solid #415064; }
.faq details:last-of-type { border-bottom: 1px solid #415064; }
.faq summary { cursor: pointer; padding: 1.4rem 3rem 1.4rem 0; font-size: 1.08rem; font-weight: 800; }
.faq details p { max-width: 830px; margin: 0; padding: 0 0 1.5rem; color: #bec9d6; }
.final-cta { color: #fff; background: var(--blue); padding: 5rem max(1.5rem, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4rem; }
.final-cta .eyebrow { color: #b9e9e5; }
.final-cta h2 { max-width: 800px; }
.final-cta p:not(.eyebrow) { max-width: 760px; margin-bottom: 0; color: #e2edf9; }
footer { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem; display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: center; color: var(--muted); font-size: .82rem; }
footer strong, footer span { display: block; }
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-links a { text-underline-offset: .2rem; }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero, .engagement { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
  .decision-panel { max-width: 580px; }
  .two-column-heading { grid-template-columns: 1fr; gap: 1rem; }
  .evidence-bands { grid-template-columns: repeat(2, 1fr); }
  .evidence-bands div:nth-child(2) { border-right: 0; }
  .evidence-bands div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .deliverables { grid-template-columns: repeat(2, 1fr); }
  .scope-note { grid-column: 1; margin-top: -4rem; }
  .final-cta { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header { min-height: 72px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand strong { font-size: .82rem; }
  .brand small { font-size: .7rem; }
  .nav-cta { padding: .6rem .75rem; font-size: .78rem; }
  .hero { padding-top: 3rem; padding-bottom: 4rem; }
  h1 { font-size: 2.65rem; }
  .signal-strip, .fit-grid, .deliverables, .evidence-bands { grid-template-columns: 1fr; }
  .signal-strip { gap: .5rem; }
  .section { padding-top: 5rem; padding-bottom: 5rem; }
  .fit-grid article { min-height: 0; }
  .boundary-note { grid-template-columns: 1fr; gap: .5rem; }
  .reasoning-list article { grid-template-columns: 1fr; gap: .5rem; }
  .evidence-bands div, .evidence-bands div:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-bands div:last-child { border-bottom: 0; }
  .deliverables article { min-height: 0; }
  .scope-note { margin-top: -3rem; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
:focus-visible { outline: 3px solid #ffbf47; outline-offset: 3px; }