:root {
  --ink: #071a2b;
  --ink-soft: #17384c;
  --paper: #f6f9fb;
  --white: #ffffff;
  --line: #cbd8df;
  --blue: #1269a8;
  --cyan: #21a5c7;
  --green: #15775f;
  --amber: #d9821b;
  --red: #b84435;
  --display: Georgia, "Times New Roman", serif;
  --body: "Segoe UI", Arial, sans-serif;
  --utility: "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); line-height: 1.55; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 20; padding: .7rem 1rem; background: var(--white); }
.skip-link:focus { top: 1rem; }

.site-header, main > section, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.16); color: var(--white); position: absolute; z-index: 5; left: 50%; transform: translateX(-50%); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand > span:last-child { display: grid; line-height: 1.05; }
.brand strong { font-size: 1rem; letter-spacing: .02em; }
.brand small { margin-top: .27rem; font: .65rem var(--utility); letter-spacing: .12em; text-transform: uppercase; opacity: .72; }
.brand-mark { width: 30px; height: 30px; display: grid; grid-template-columns: repeat(3,1fr); gap: 3px; align-items: end; }
.brand-mark i { display: block; background: var(--cyan); border-radius: 1px; }
.brand-mark i:nth-child(1) { height: 45%; }.brand-mark i:nth-child(2) { height: 100%; }.brand-mark i:nth-child(3) { height: 70%; }
nav { display: flex; align-items: center; gap: 1.65rem; font-size: .84rem; }
nav a { text-decoration: none; }
.nav-cta { border: 1px solid rgba(255,255,255,.45); padding: .65rem .9rem; }

.hero { width: 100%; max-width: none; min-height: 760px; padding: 165px max(40px, calc((100vw - 1180px)/2)) 90px; display: grid; grid-template-columns: minmax(0,1.12fr) minmax(390px,.88fr); gap: clamp(3rem,7vw,7rem); align-items: center; color: var(--white); background:
  linear-gradient(90deg, rgba(7,26,43,.98) 0%, rgba(7,26,43,.93) 46%, rgba(7,26,43,.72) 100%),
  repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(255,255,255,.035) 80px),
  #071a2b;
}
.eyebrow, .section-code { margin: 0 0 1rem; font: .7rem var(--utility); letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { color: #8edcf0; }
h1, h2 { font-family: var(--display); font-weight: 400; line-height: .98; letter-spacing: -.045em; }
h1 { margin: 0; max-width: 760px; font-size: clamp(3.7rem,6.5vw,7.25rem); }
h1 em { color: #8edcf0; font-style: italic; }
.hero-lede { max-width: 670px; margin: 2rem 0 0; color: #d6e3e9; font-size: 1.1rem; }
.hero-actions { display: flex; align-items: center; gap: 1.35rem; margin-top: 2.2rem; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: .8rem 1.15rem; text-decoration: none; font-weight: 700; font-size: .9rem; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: #f5a83b; color: var(--ink); }
.text-link { font-size: .9rem; text-underline-offset: 5px; }
.guardrails { display: flex; gap: .65rem 1.45rem; flex-wrap: wrap; list-style: none; padding: 0; margin: 2.5rem 0 0; color: #aac0cb; font: .68rem var(--utility); text-transform: uppercase; }
.guardrails li::before { content: "✓"; color: #69d1b6; margin-right: .45rem; }

.handoff { align-self: stretch; max-height: 590px; padding: 1.4rem; border: 1px solid rgba(255,255,255,.2); background: rgba(10,39,58,.8); backdrop-filter: blur(12px); box-shadow: 28px 28px 0 rgba(1,12,22,.28); }
.handoff-head { display: flex; justify-content: space-between; padding-bottom: 1.2rem; border-bottom: 1px solid rgba(255,255,255,.16); font: .68rem var(--utility); letter-spacing: .12em; text-transform: uppercase; }
.handoff-head strong { color: #8edcf0; }
.rail { padding: 2rem .5rem 1rem; }
.rail-stop { display: grid; grid-template-columns: 43px 1fr; gap: 1rem; align-items: start; }
.rail-index { display: grid; place-items: center; width: 43px; height: 43px; border: 1px solid #65c9df; color: #8edcf0; font: 700 .8rem var(--utility); }
.rail-stop > div { display: grid; }
.rail-stop small { color: #89a5b2; font: .64rem var(--utility); text-transform: uppercase; letter-spacing: .12em; }
.rail-stop strong { margin-top: .16rem; font-family: var(--display); font-size: 1.55rem; font-weight: 400; }
.rail-stop div span { color: #b6cad3; font-size: .8rem; }
.rail-line { height: 44px; width: 43px; display: grid; place-items: center; }
.rail-line span { display: block; width: 1px; height: 100%; background: #4b8197; }
.rail-alert span { background: repeating-linear-gradient(to bottom,var(--amber) 0 5px,transparent 5px 9px); }
.rail-stop-alert .rail-index { border-color: #f2a43a; color: #f2a43a; }
.rail-stop-alert strong { color: #ffc974; }
.sample-label { margin: 1.5rem 0 0; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); color: #7894a1; font: .6rem var(--utility); text-transform: uppercase; letter-spacing: .14em; }

.stakes { padding-block: 110px; }
.section-code { color: var(--blue); }
h2 { margin: 0; font-size: clamp(2.6rem,5vw,5.3rem); }
.stakes h2 { max-width: 940px; }
.stakes h2 span { color: var(--blue); font-style: italic; }
.stakes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.stakes-grid p { max-width: 560px; font-size: 1.05rem; color: var(--ink-soft); }
blockquote { margin: 0; padding-left: 1.5rem; border-left: 3px solid var(--amber); font-family: var(--display); font-size: 1.55rem; line-height: 1.25; }

.evidence { padding: 70px; background: var(--white); box-shadow: 0 24px 70px rgba(7,26,43,.08); }
.section-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; }
.section-heading h2 { max-width: 680px; font-size: clamp(2.5rem,4.5vw,4.8rem); }
.filter { display: flex; padding: 4px; background: #eaf0f3; }
.filter button { border: 0; background: transparent; padding: .6rem .75rem; color: var(--ink-soft); font: .68rem var(--utility); cursor: pointer; }
.filter button.is-active { background: var(--ink); color: var(--white); }
.ledger-wrap { overflow-x: auto; margin-top: 3rem; border: 1px solid var(--line); }
table { width: 100%; min-width: 850px; border-collapse: collapse; text-align: left; }
th { padding: .85rem 1rem; background: #e9f0f4; font: .62rem var(--utility); letter-spacing: .1em; text-transform: uppercase; }
td { padding: 1rem; border-top: 1px solid var(--line); font-size: .83rem; }
td:first-child { font-family: var(--utility); color: var(--blue); }
.status { display: inline-flex; padding: .28rem .43rem; color: var(--white); font: 700 .61rem var(--utility); letter-spacing: .06em; text-transform: uppercase; }
.status-missing { background: var(--red); }.status-incomplete,.status-review { background: var(--amber); color: var(--ink); }.status-verified { background: var(--green); }
.privacy-note { margin: 1.25rem 0 0; color: #577080; font-size: .72rem; }
.privacy-note span { color: var(--green); font-size: 1.2rem; vertical-align: middle; }

.deliverables { display: grid; grid-template-columns: .85fr 1.15fr; gap: 7rem; padding-block: 120px; }
.deliverables-intro { position: sticky; top: 2rem; align-self: start; }
.deliverables-intro h2 { font-size: clamp(2.5rem,4.5vw,4.8rem); }
.deliverables-intro > p:last-child { color: var(--ink-soft); max-width: 470px; }
.deliverable-list { list-style: none; padding: 0; margin: 0; counter-reset: deliverable; }
.deliverable-list li { display: grid; grid-template-columns: 45px 1fr; gap: 1.2rem; padding: 1.5rem 0; border-top: 1px solid var(--line); }
.deliverable-list li:last-child { border-bottom: 1px solid var(--line); }
.deliverable-list li > span { color: var(--blue); font: .72rem var(--utility); }
.deliverable-list strong { font-family: var(--display); font-size: 1.35rem; font-weight: 400; }
.deliverable-list p { margin: .35rem 0 0; color: #506b7b; font-size: .88rem; }

.fit { width: 100%; max-width: none; padding: 100px max(40px, calc((100vw - 1180px)/2)); background: #dcebf1; }
.fit h2 { max-width: 800px; }
.fit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 3.5rem; background: #a9c1cc; border: 1px solid #a9c1cc; }
.fit article { padding: 2rem; background: #eef6f8; }
.fit strong { font-family: var(--display); font-size: 1.5rem; font-weight: 400; }
.fit p { color: #486575; }

.offer { width: 100%; max-width: none; display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; padding: 100px max(40px, calc((100vw - 1180px)/2)); background: var(--blue); color: var(--white); }
.offer-price { display: grid; grid-template-columns: auto 1fr; align-items: start; align-content: center; }
.offer-price > span { font: 1.4rem var(--utility); color: #9cdeef; margin-top: 1rem; }
.offer-price strong { font: 400 clamp(6rem,12vw,12rem)/.8 var(--display); letter-spacing: -.08em; }
.offer-price small { grid-column: 2; font: .7rem var(--utility); letter-spacing: .12em; text-transform: uppercase; color: #bde6f0; }
.offer-copy { max-width: 620px; }
.offer-copy .section-code { color: #bde6f0; }
.offer-copy h2 { font-size: clamp(2.5rem,4vw,4.6rem); }
.offer-copy p:not(.section-code) { color: #d7edf3; }
.button-light { margin-top: 1rem; background: var(--white); color: var(--blue); }

.boundary { padding-block: 90px; text-align: center; }
.boundary h2 { max-width: 800px; margin-inline: auto; font-size: clamp(2.5rem,4vw,4.4rem); }
.boundary > p:last-child { max-width: 750px; margin: 1.5rem auto 0; color: #506b7b; }

footer { padding-block: 2.5rem; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto auto; gap: 3rem; align-items: center; font-size: .75rem; }
.footer-brand .brand-mark { width: 26px; height: 26px; }
footer > div:nth-child(2) { display: flex; gap: 1.25rem; }
footer p { color: #647d8b; }

@media (max-width: 920px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 140px; }
  .handoff { max-height: none; }
  .stakes-grid, .deliverables, .offer { grid-template-columns: 1fr; gap: 3rem; }
  .deliverables-intro { position: static; }
  .fit-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 1.25rem; }
}

@media (max-width: 620px) {
  .site-header, main > section, footer { width: min(100% - 24px,1180px); }
  .site-header { min-height: 68px; }
  .site-header .brand small { display: none; }
  .nav-cta { padding: .55rem .65rem; font-size: .75rem; }
  .hero { width: 100%; padding: 120px 20px 60px; min-height: auto; }
  h1 { font-size: clamp(3.05rem,15vw,4.6rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .guardrails { display: grid; }
  .handoff { padding: 1rem; box-shadow: 12px 12px 0 rgba(1,12,22,.28); }
  .stakes { padding-block: 75px; }
  .stakes-grid { gap: 2rem; }
  .evidence { width: 100%; padding: 60px 20px; }
  .filter { width: 100%; overflow-x: auto; }
  .filter button { flex: 1; white-space: nowrap; }
  .deliverables { padding-block: 80px; }
  .fit, .offer { padding: 75px 20px; }
  .offer-price strong { font-size: 7rem; }
  footer > div:nth-child(2) { align-items: start; flex-direction: column; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}