:root {
  --paper: #f4f1e8;
  --paper-light: #fbfaf6;
  --ink: #161713;
  --muted: #65675f;
  --line: #cfcdc4;
  --blue: #2357d6;
  --orange: #dc5b32;
  --acid: #d8ff65;
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.045em; line-height: .98; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 10px 14px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(244, 241, 232, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.header-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 14px; font-weight: 750; letter-spacing: -.02em; text-decoration: none; }
.wordmark-mark { width: 18px; height: 18px; display: inline-block; background: var(--blue); border-radius: 50%; }
.desktop-nav { display: flex; align-items: center; gap: 28px; }
.desktop-nav a, .footer-links a { color: #393a35; font-size: 13px; font-weight: 650; text-decoration: none; }
.desktop-nav a:hover, .footer-links a:hover, .desktop-nav a[aria-current="page"] { color: var(--blue); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); }
.mobile-nav { padding: 8px 24px 18px; border-top: 1px solid var(--line); background: var(--paper); }
.mobile-nav[hidden] { display: none; }
.mobile-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 650; text-decoration: none; }

.hero { padding: 94px 0 104px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .72fr); gap: 88px; align-items: center; }
.eyebrow, .section-label, .panel-label { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 28px; color: #4d5049; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }
.hero h1 { max-width: 760px; margin-bottom: 28px; font-size: clamp(56px, 6.8vw, 96px); }
.hero-lead { max-width: 660px; margin-bottom: 34px; color: #484a44; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 190px; gap: 26px; padding: 13px 16px; border: 1px solid var(--ink); font-size: 13px; font-weight: 700; text-decoration: none; transition: transform .15s, background .15s; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: var(--blue); border-color: var(--blue); }
.button-light { background: var(--paper-light); color: var(--ink); border-color: var(--paper-light); }
.text-link { font-size: 13px; font-weight: 700; }
.status-line { display: flex; align-items: center; gap: 10px; margin: 30px 0 0; color: var(--muted); font-size: 12px; }
.status-line span { width: 7px; height: 7px; border-radius: 50%; background: #3c9b65; box-shadow: 0 0 0 4px rgba(60, 155, 101, .13); }

.case-file { background: #17201b; color: #edf1e9; border: 1px solid #0b0e0c; box-shadow: 14px 14px 0 #d8d3c7; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.case-head, .case-title, .case-note { padding: 14px 18px; }
.case-head { display: flex; justify-content: space-between; border-bottom: 1px solid #37423b; color: #9da9a1; font-size: 10px; letter-spacing: .08em; }
.case-state { color: var(--acid); }
.case-title { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #37423b; }
.case-title p { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 28px; }
.case-title span { padding: 3px 8px; background: #662b23; color: #ffb29d; font-size: 10px; }
.signal-list { margin: 0; padding: 8px 18px; list-style: none; }
.signal-list li { display: grid; grid-template-columns: 48px 1fr; gap: 13px; padding: 14px 0; border-bottom: 1px solid #303b34; }
.signal-list time { color: #7f8c84; font-size: 11px; }
.signal-list b, .signal-list span { display: block; }
.signal-list b { margin-bottom: 3px; color: #edf1e9; font-size: 12px; }
.signal-list span { color: #9da9a1; font-size: 10px; }
.case-finding { margin: 14px 18px 4px; padding: 15px; background: var(--acid); color: var(--ink); }
.case-finding span { font-size: 9px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.case-finding p { margin: 8px 0 0; font-family: ui-sans-serif, sans-serif; font-size: 13px; line-height: 1.5; }
.case-note { margin: 0; color: #7f8c84; font-size: 9px; }

.stack { padding: 42px 0 54px; background: var(--paper-light); border-bottom: 1px solid var(--line); }
.stack-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 26px; }
.stack-heading h2 { margin: 0; font-family: inherit; font-size: 14px; font-weight: 750; letter-spacing: -.02em; }
.stack-heading p { margin: 0; color: var(--muted); font-size: 11px; }
.logo-grid { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logo-item { min-height: 112px; padding: 17px 12px 13px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: white; }
.logo-item img { width: 37px; height: 37px; object-fit: contain; }
.logo-item:nth-child(2) img, .logo-item:nth-child(6) img { width: 48px; }
.logo-item span { color: #3f413c; font-size: 10px; font-weight: 650; text-align: center; }

.walkthrough, .product, .approach, .about-story, .about-values, .current-stage { padding: 112px 0; }
.split-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; margin-bottom: 58px; }
.section-label { margin: 7px 0 0; color: var(--blue); }
.split-heading h2, .approach h2, .about-grid h2, .document-grid h1 { max-width: 800px; margin-bottom: 22px; font-size: clamp(42px, 5vw, 66px); }
.split-heading > div > p { max-width: 660px; margin: 0; color: var(--muted); font-size: 17px; }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--ink); }
.timeline-panel, .conclusion-panel { padding: 34px; }
.timeline-panel { background: var(--paper-light); }
.conclusion-panel { background: var(--blue); color: white; }
.panel-label { margin: 0 0 30px; color: var(--muted); }
.conclusion-panel .panel-label { color: #b9cbff; }
.event { position: relative; display: grid; grid-template-columns: 54px 18px 1fr; gap: 10px; min-height: 75px; }
.event:not(:last-child)::after { content: ""; position: absolute; top: 20px; bottom: 0; left: 72px; width: 1px; background: var(--line); }
.event-time { padding-top: 1px; font-family: ui-monospace, monospace; color: var(--muted); font-size: 11px; }
.event-dot { position: relative; z-index: 1; width: 9px; height: 9px; margin: 5px 0 0 4px; border-radius: 50%; background: #8b8e85; box-shadow: 0 0 0 5px var(--paper-light); }
.event-dot.change { background: var(--blue); }.event-dot.warn { background: #e5a928; }.event-dot.fail { background: var(--orange); }
.event b { display: block; margin-bottom: 2px; font-size: 13px; }
.event p { margin: 0; color: var(--muted); font-size: 12px; }
.conclusion-panel h3 { max-width: 420px; margin: 0 0 40px; font-family: Georgia, "Times New Roman", serif; font-size: 38px; font-weight: 400; letter-spacing: -.04em; line-height: 1.05; }
.conclusion-panel dl { margin: 0; border-top: 1px solid rgba(255,255,255,.28); }
.conclusion-panel dl div { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.28); }
.conclusion-panel dt { margin-bottom: 5px; color: #b9cbff; font-size: 10px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.conclusion-panel dd { margin: 0; font-size: 13px; }
.human-note { margin: 25px 0 0; padding: 10px 12px; background: var(--acid); color: var(--ink); font-size: 11px; font-weight: 700; }

.product { background: #e9e6dc; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-list { border-top: 1px solid #aaa99f; }
.capability-list article { display: grid; grid-template-columns: 70px 1fr 100px; gap: 30px; align-items: start; padding: 31px 0; border-bottom: 1px solid #aaa99f; }
.capability-list article > span, .capability-list small { font-family: ui-monospace, monospace; font-size: 10px; }
.capability-list h3 { margin: 0 0 7px; font-size: 22px; letter-spacing: -.025em; }
.capability-list p { max-width: 690px; margin: 0; color: var(--muted); font-size: 14px; }
.capability-list small { color: var(--blue); text-align: right; text-transform: uppercase; }

.approach { background: var(--ink); color: white; }
.approach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; }
.approach .section-label { color: var(--acid); }
.approach h2 { max-width: 460px; margin-top: 24px; }
.principles { border-top: 1px solid #464841; }
.principles article { padding: 24px 0; border-bottom: 1px solid #464841; }
.principles h3 { margin: 0 0 8px; font-size: 17px; }
.principles p { margin: 0; color: #aeb0a8; font-size: 14px; }

.cta-section { padding: 92px 0; background: var(--orange); color: #1d120e; }
.cta-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 100px; align-items: end; }
.cta-section .section-label { color: #4e2115; }
.cta-section h2 { max-width: 700px; margin: 18px 0 0; font-size: clamp(44px, 5vw, 68px); }
.cta-grid > div:last-child p { margin-bottom: 22px; font-size: 15px; }

.site-footer { padding: 32px 0; background: var(--paper-light); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 48px; }
.footer-links { display: flex; gap: 22px; }
.footer-grid > p { margin: 0; color: var(--muted); font-size: 11px; }

.about-hero { padding: 112px 0 120px; border-bottom: 1px solid var(--line); }
.about-hero h1 { max-width: 960px; margin: 26px 0 34px; font-size: clamp(58px, 8vw, 108px); }
.about-hero > .shell > p:last-child { max-width: 660px; margin: 0 0 0 34%; color: var(--muted); font-size: 19px; }
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; }
.about-grid > div > p { max-width: 720px; color: var(--muted); font-size: 16px; }
.about-values { background: #e9e6dc; border-block: 1px solid var(--line); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 38px; border-top: 1px solid #aaa99f; border-left: 1px solid #aaa99f; }
.values-grid article { min-height: 310px; padding: 28px; border-right: 1px solid #aaa99f; border-bottom: 1px solid #aaa99f; }
.values-grid span { font-family: ui-monospace, monospace; color: var(--blue); font-size: 10px; }
.values-grid h2 { margin: 90px 0 18px; font-size: 36px; }
.values-grid p { color: var(--muted); font-size: 14px; }
.current-stage .button { margin-top: 22px; }

.document-page { padding: 100px 0 130px; }
.document-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; }
.document-grid aside { position: sticky; top: 110px; align-self: start; }
.document-grid aside > p:last-child { color: var(--muted); font-size: 12px; }
.document-copy { max-width: 720px; }
.document-lead { margin-bottom: 60px; color: #33342f; font-family: Georgia, "Times New Roman", serif; font-size: 28px; line-height: 1.45; }
.document-copy h2 { margin: 42px 0 12px; font-family: inherit; font-size: 17px; font-weight: 750; letter-spacing: -.015em; }
.document-copy p { color: var(--muted); }
.document-copy a { color: var(--blue); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 58px; }
  .case-file { width: min(100%, 600px); }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .approach-grid, .cta-grid { gap: 60px; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .hero { padding: 65px 0 76px; }
  .hero h1 { font-size: clamp(50px, 15vw, 70px); }
  .hero-lead { font-size: 16px; }
  .case-file { box-shadow: 7px 7px 0 #d8d3c7; }
  .stack-heading { display: block; }
  .stack-heading h2 { margin-bottom: 6px; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .walkthrough, .product, .approach, .about-story, .about-values, .current-stage { padding: 76px 0; }
  .split-heading, .approach-grid, .about-grid, .document-grid { grid-template-columns: 1fr; gap: 24px; }
  .split-heading { margin-bottom: 38px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .timeline-panel, .conclusion-panel { padding: 25px; }
  .capability-list article { grid-template-columns: 40px 1fr; gap: 16px; }
  .capability-list small { display: none; }
  .cta-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-hero { padding: 76px 0 84px; }
  .about-hero > .shell > p:last-child { margin-left: 0; }
  .values-grid { grid-template-columns: 1fr; }
  .values-grid article { min-height: auto; }
  .values-grid h2 { margin-top: 45px; }
  .document-page { padding: 70px 0 90px; }
  .document-grid aside { position: static; }
}

@media (max-width: 430px) {
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .button { width: 100%; }
  .case-title p { font-size: 23px; }
  .logo-item { min-height: 100px; }
  .footer-links { flex-wrap: wrap; }
}

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