:root {
  --ink: #111111;
  --paper: #f2ede3;
  --white: #ffffff;
  --gold: #d4a017;
  --gold-soft: #e5c66a;
  --graphite: #1a1a1a;
  --line-dark: #2b2b2b;
  --line-light: #d8d1c4;
  --line-ui: #6b6b6b;
  --line-ui-light: #867e6c;
  --muted-light: #5e5b55;
  --max: 1180px;
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, select { font: inherit; }

.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--gold); color: var(--ink); padding: .7rem 1rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.topbar { position: sticky; top: 0; z-index: 50; min-height: 72px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 2rem; background: rgba(17,17,17,.94); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line-dark); }
.brand { display: flex; align-items: baseline; gap: .45rem; font-weight: 900; letter-spacing: -.04em; }
.brand-mark { font-size: 1.25rem; }
.brand-version { color: var(--gold); font-size: .9rem; letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 1.15rem; font-size: .82rem; color: #d9d9d9; }
.nav a:hover, .nav a:focus-visible { color: var(--gold-soft); }
.nav a[aria-current="page"] { color: var(--gold); }
.nav-cta { border: 1px solid var(--gold); background: var(--gold); color: var(--ink); padding: .62rem .85rem; font-weight: 800; }
.nav .nav-cta:hover, .nav .nav-cta:focus-visible { background: var(--gold-soft); color: var(--ink); }
.nav .nav-cta[aria-current="page"] { color: var(--ink); }
.menu-button { display: none; color: var(--white); background: transparent; border: 1px solid var(--line-ui); padding: .55rem .75rem; }

.section-shell { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; padding-block: 96px; }
.hero { padding-top: 90px; }
.eyebrow, .kicker { display: inline-block; margin-bottom: 1rem; color: var(--gold); font-size: .72rem; line-height: 1; font-weight: 900; letter-spacing: .16em; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(260px,.8fr); gap: clamp(2.5rem,7vw,7rem); align-items: end; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 900px; margin-bottom: 1.5rem; font-size: clamp(3rem,7.4vw,7.8rem); line-height: .92; letter-spacing: -.075em; font-weight: 760; }
h2 { max-width: 900px; margin-bottom: 1.2rem; font-size: clamp(2.2rem,4.7vw,5.2rem); line-height: .98; letter-spacing: -.055em; font-weight: 720; }
h3 { letter-spacing: -.025em; }
.lead { max-width: 760px; color: #c9c9c9; font-size: clamp(1.05rem,1.8vw,1.35rem); }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2rem; }
.hero-links { margin-top: 1.2rem; color: #999; font-size: .88rem; }
.hero-links a:hover, .hero-links a:focus-visible { color: var(--gold-soft); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.05rem; border: 1px solid var(--line-ui); font-size: .85rem; font-weight: 800; }
.button-primary { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.button-primary:hover, .button-primary:focus-visible { background: var(--gold-soft); }
.button-primary:hover { border-color: var(--ink); }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--gold); color: var(--gold-soft); }

.manifesto-card { border-top: 3px solid var(--gold); border-bottom: 1px solid var(--line-dark); padding: 1.5rem 0 1.8rem; }
.manifesto-card span { color: var(--gold); font-size: .68rem; font-weight: 900; letter-spacing: .14em; }
.manifesto-card strong { display: block; margin: 1rem 0; font-size: clamp(1.6rem,3vw,2.4rem); line-height: 1.04; letter-spacing: -.04em; }
.manifesto-card p { margin: 0; color: #a8a8a8; font-size: .92rem; }
.metrics { margin-top: 76px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); display: grid; grid-template-columns: repeat(4,1fr); }
.metrics div { padding: 1.4rem 1rem; border-right: 1px solid var(--line-dark); }
.metrics div:first-child { padding-left: 0; }
.metrics div:last-child { border-right: 0; }
.metrics strong { display: block; color: var(--gold); font-size: 2rem; line-height: 1; }
.metrics span { color: #9d9d9d; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }

.section-dark { border-top: 1px solid var(--line-dark); }
.section-heading { margin-bottom: 3rem; }
.section-heading > p { max-width: 720px; color: #aaa; font-size: 1.05rem; }
.split-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 4rem; align-items: end; }
.split-heading p { margin-bottom: 1.2rem; }
.decision-flow { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); list-style: none; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.decision-flow li { min-height: 205px; padding: 1.4rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.decision-flow li > span { color: var(--gold); font-size: .72rem; font-weight: 900; }
.decision-flow strong { display: block; margin: 2.3rem 0 .4rem; font-size: 1.45rem; }
.decision-flow p { margin: 0; color: #9b9b9b; font-size: .9rem; }

.framework-toolbar { display: flex; gap: .55rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-button { cursor: pointer; background: transparent; color: #bcbcbc; border: 1px solid var(--line-ui); padding: .62rem .82rem; font-size: .78rem; }
.filter-button:hover, .filter-button:focus-visible, .filter-button.active { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.framework-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.framework-card { display: block; min-height: 265px; padding: 1.35rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); transition: background .2s ease, transform .2s ease; }
.framework-card:hover { background: #171717; }
.framework-card > span, .framework-card small { color: var(--gold); font-size: .72rem; font-weight: 900; }
.framework-card h3 { margin: 3rem 0 .8rem; font-size: 1.15rem; line-height: 1.12; }
.framework-card p { margin: 0 0 1.2rem; color: #969696; font-size: .86rem; }

.section-paper { width: 100%; max-width: none; padding-inline: max(24px,calc((100vw - var(--max))/2)); background: var(--paper); color: var(--ink); }
.section-paper .kicker { color: #7d5d0f; }
.section-paper .section-heading p { color: var(--muted-light); }
.search-panel { display: grid; grid-template-columns: auto minmax(220px,1fr) auto minmax(190px,.45fr) auto; gap: .8rem; align-items: center; margin-bottom: 2rem; }
.search-panel label { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.search-input, .select-input { width: 100%; min-height: 48px; border: 1px solid var(--line-ui-light); background: #fffdf8; color: var(--ink); padding: .75rem .9rem; }
.search-count { font-size: .78rem; color: var(--muted-light); white-space: nowrap; }
.lexicon-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.lexicon-card { min-height: 285px; padding: 1.35rem; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.lexicon-card > div { display: flex; justify-content: space-between; gap: 1rem; color: #7d5d0f; font-size: .68rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.lexicon-card h3 { margin: 2rem 0 .8rem; font-size: 1.25rem; }
.lexicon-card p { color: #45413a; font-size: .9rem; }
.lexicon-card blockquote { margin: 1.2rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line-light); color: #6f5414; font-size: .83rem; font-weight: 700; }
.empty-state { grid-column: 1/-1; padding: 2rem; color: var(--muted-light); }

.diagram-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.diagram-card { min-height: 230px; padding: 1.4rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.diagram-card:hover { background: #171717; }
.diagram-card-head { display: flex; gap: 1rem; align-items: baseline; }
.diagram-card-head span { color: var(--gold); font-size: .72rem; font-weight: 900; }
.diagram-card-head strong { font-size: 1.05rem; }
.mini-flow, .diagram-flow { display: flex; gap: .55rem; flex-wrap: wrap; align-items: center; margin-top: 2.5rem; }
.mini-flow span { border: 1px solid #3b3b3b; padding: .52rem .65rem; color: #c9c9c9; font-size: .72rem; }
.mini-flow b { color: var(--gold); font-weight: 400; }

.steps-grid { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.steps-grid > div { min-height: 250px; padding: 1.3rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.steps-grid strong { color: var(--gold); font-size: .72rem; }
.steps-grid h3 { margin-top: 3rem; margin-bottom: .7rem; font-size: 1.05rem; }
.steps-grid p { color: #929292; font-size: .85rem; }
.product-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.product-grid > a { min-height: 250px; padding: 1.4rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.product-grid > a:hover { background: #171717; }
.product-grid span, .insight-card > span { color: var(--gold); font-size: .68rem; font-weight: 900; letter-spacing: .1em; }
.product-grid h3, .insight-card h3 { margin: 3rem 0 .8rem; font-size: 1.3rem; }
.product-grid p, .insight-card p { color: #969696; font-size: .88rem; }
.insights-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.insight-card { min-height: 270px; padding: 1.4rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.insight-card:hover { background: #171717; }
.insight-card small { color: var(--gold); font-weight: 800; }

.framework-hero { padding-top: 72px; }
.framework-hero h1 { max-width: 980px; font-size: clamp(3.2rem,7vw,7rem); }
.back-link { display: inline-block; margin-bottom: 3rem; color: #aaa; font-size: .82rem; }
.back-link:hover { color: var(--gold); }
.framework-meta { margin-top: 3.2rem; display: grid; grid-template-columns: 1.2fr .7fr .7fr; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.framework-meta > div { padding: 1.2rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.framework-meta span { display: block; margin-bottom: .7rem; color: #888; font-size: .67rem; text-transform: uppercase; letter-spacing: .09em; }
.framework-meta strong { font-size: .9rem; }
.diagram-flow { margin-top: 0; }
.diagram-flow > div { flex: 1 1 130px; min-height: 115px; padding: 1rem; border: 1px solid var(--line-dark); }
.diagram-flow > div span { display: block; color: var(--gold); font-size: .68rem; font-weight: 900; }
.diagram-flow > div strong { display: block; margin-top: 2rem; font-size: .95rem; }
.framework-detail-grid { display: grid; grid-template-columns: repeat(2,1fr); padding-top: 0; }
.framework-detail-grid article { padding: 2rem; border-top: 1px solid var(--line-dark); border-right: 1px solid var(--line-dark); }
.framework-detail-grid article:nth-child(even) { border-right: 0; }
.framework-detail-grid .wide { grid-column: 1/-1; border-right: 0; }
.framework-detail-grid ul, .framework-detail-grid ol { margin: .6rem 0 0; padding-left: 1.2rem; color: #b0b0b0; }
.framework-detail-grid li { margin-bottom: .55rem; }
.detail-lead { font-size: 1.25rem; color: #d7d7d7; }
.example-panel { background: var(--paper); color: var(--ink); }
.example-panel .kicker { color: #7d5d0f; }
.example-panel p { max-width: 900px; font-size: 1.18rem; color: var(--ink); }
.framework-next { border-top: 1px solid var(--line-dark); }

.assessment-shell { max-width: 920px; }
.assessment-intro { max-width: 760px; color: #aaa; }
.assessment-form { margin-top: 3rem; }
.question-card { padding: 1.5rem 0 2rem; border-top: 1px solid var(--line-dark); }
.question-card legend { max-width: 760px; margin-bottom: 1rem; font-weight: 700; }
.answer-options { display: grid; grid-template-columns: repeat(4,1fr); gap: .6rem; }
.answer-options label { cursor: pointer; border: 1px solid var(--line-ui); padding: .8rem; font-size: .82rem; }
.answer-options label:has(input:checked) { border-color: var(--gold); background: var(--gold); color: var(--ink); }
.answer-options input { margin-right: .4rem; }
.assessment-result { margin-top: 3rem; padding: 2rem; border: 1px solid var(--line-ui); }
.assessment-result[hidden] { display: none; }
.result-frameworks { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; margin-top: 1.5rem; }
.result-frameworks a { border: 1px solid var(--line-ui); padding: 1rem; }
.result-frameworks a:hover { border-color: var(--gold); }

.article-shell { width: min(780px,calc(100% - 48px)); margin-inline: auto; padding-block: 88px; }
.article-shell h1 { font-size: clamp(3rem,8vw,6.5rem); }
.article-body { font-size: 1.08rem; color: #c3c3c3; }
.article-body p { margin-bottom: 1.5rem; }
.article-note { margin: 2rem 0; padding: 1.25rem; border-left: 3px solid var(--gold); background: #171717; }
.preview-architecture { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.preview-architecture > div { min-height: 180px; padding: 1.3rem; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.preview-architecture strong { display: block; color: var(--gold); font-size: 2rem; }

.final-cta { text-align: left; border-top: 1px solid var(--line-dark); }
.final-cta p { max-width: 720px; color: #a9a9a9; font-size: 1.05rem; }
.footer { padding-block: 32px; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 2rem; align-items: start; border-top: 1px solid var(--line-dark); color: #aaa; font-size: .78rem; }
.footer strong { color: var(--white); }
.footer p { margin: .3rem 0 0; }
.footer-author { margin-top: .8rem; }
.footer-group h4 { margin: 0 0 .6rem; color: var(--white); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.footer-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer a:hover, .footer a:focus-visible { color: var(--gold); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.section-paper :focus-visible { outline-color: var(--ink); }

@media (max-width: 980px) {
  .hero-grid, .split-heading { grid-template-columns: 1fr; gap: 2.5rem; }
  .framework-grid, .lexicon-grid, .insights-grid { grid-template-columns: repeat(2,1fr); }
  .decision-flow, .diagram-grid { grid-template-columns: repeat(2,1fr); }
  .steps-grid { grid-template-columns: repeat(2,1fr); }
  .steps-grid > div:last-child { grid-column: 1/-1; }
  .product-grid, .result-frameworks { grid-template-columns: 1fr; }
  .preview-architecture { grid-template-columns: repeat(2,1fr); }
  .search-panel { grid-template-columns: 1fr; align-items: stretch; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); border-bottom: 1px solid var(--line-dark); padding: 1rem 24px; }
  .nav.open { display: flex; }
  .nav a { padding: .8rem 0; }
  .nav a.nav-cta { padding: .62rem .85rem; text-align: center; }
  .menu-button { display: inline-flex; }
}

@media (max-width: 680px) {
  .section-shell, .article-shell { width: min(var(--max),calc(100% - 32px)); padding-block: 72px; }
  .section-paper { width: 100%; padding-inline: 16px; }
  .hero { padding-top: 64px; }
  h1 { font-size: clamp(3rem,16vw,5rem); }
  .metrics { grid-template-columns: repeat(2,1fr); }
  .metrics div { border-bottom: 1px solid var(--line-dark); }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:first-child { padding-left: 1rem; }
  .framework-grid, .decision-flow, .steps-grid, .lexicon-grid, .diagram-grid, .insights-grid, .preview-architecture, .framework-detail-grid, .framework-meta { grid-template-columns: 1fr; }
  .framework-detail-grid .wide { grid-column: auto; }
  .framework-detail-grid article { border-right: 0; }
  .framework-card { min-height: 220px; }
  .answer-options { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
  .analyze-form { grid-template-columns: 1fr; }
  .evidence-row { grid-template-columns: 1fr; }
  .evidence-remove { justify-self: start; }
}

.analyze-form { margin-top: 3rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.analyze-form label { display: grid; gap: .5rem; color: #aaa; font-size: .85rem; }
.analyze-form label.full { grid-column: 1 / -1; }
.analyze-form input, .analyze-form select, .analyze-form textarea { font: inherit; padding: .7rem .8rem; color: var(--white); background: var(--graphite); border: 1px solid var(--line-ui); border-radius: var(--radius); }
.analyze-form ::placeholder { color: #969696; opacity: 1; }
.analyze-form textarea { min-height: 84px; resize: vertical; }
.analyze-form .actions { grid-column: 1 / -1; }
.analyze-result h3 { margin: 2rem 0 1rem; font-size: 1.05rem; }
.analyze-result ul, .analyze-result ol { padding-left: 1.3rem; color: #c9c9c9; }
.analyze-result li + li { margin-top: .5rem; }
.analyze-muted { color: #9b9b9b; }
.analyze-decision { font-size: 1.6rem; font-weight: 900; margin: .5rem 0 1rem; }
.analyze-decision.no-go { color: #d97a7a; }
.analyze-decision.go-with-risks { color: var(--gold); }
.analyze-decision.go { color: #7fbf95; }
.analyze-risks { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1rem; }
.analyze-risk { border: 1px solid var(--line-ui); border-top: 3px solid var(--line-ui); padding: 1rem; border-radius: var(--radius); }
.analyze-risk h4 { margin: .5rem 0; font-size: .95rem; }
.analyze-risk.high { border-top-color: #d97a7a; }
.analyze-risk.medium { border-top-color: var(--gold); }
.analyze-risk.low { border-top-color: #7fbf95; }
.analyze-unknown { color: var(--gold); }
.analyze-table-wrap { overflow-x: auto; border: 1px solid var(--line-ui); }
.analyze-ledger { width: 100%; border-collapse: collapse; min-width: 640px; }
.analyze-ledger th, .analyze-ledger td { padding: .7rem .8rem; text-align: left; border-bottom: 1px solid var(--line-dark); font-size: .85rem; vertical-align: top; }
.analyze-ledger th { color: #9b9b9b; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.analyze-error { color: #d97a7a; }
.field-help { margin: 0; color: #888; font-size: .78rem; }
.evidence-field { grid-column: 1 / -1; border: 1px solid var(--line-ui); border-radius: var(--radius); padding: 1rem 1.1rem; display: grid; gap: .6rem; }
.evidence-field legend { padding: 0 .3rem; color: #aaa; font-size: .85rem; }
.evidence-mode-note { color: var(--gold); }
.evidence-list { display: grid; gap: .8rem; }
.evidence-list-disabled { opacity: .45; }
.evidence-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: .6rem; align-items: end; }
.evidence-row label { display: grid; gap: .35rem; color: #aaa; font-size: .8rem; }
.evidence-row input { font: inherit; padding: .6rem .7rem; color: var(--white); background: var(--graphite); border: 1px solid var(--line-ui); border-radius: var(--radius); }
.evidence-remove { border: 1px solid var(--line-ui); background: transparent; color: var(--white); width: 2.4rem; height: 2.4rem; font-size: 1.1rem; cursor: pointer; }
.evidence-remove:hover, .evidence-remove:focus-visible { border-color: var(--gold); color: var(--gold); }
#evidence-advanced { margin-top: .4rem; }
#evidence-advanced summary { cursor: pointer; color: #aaa; font-size: .85rem; }
#evidence-advanced summary:hover, #evidence-advanced summary:focus-visible { color: var(--gold-soft); }
#evidence-advanced textarea { width: 100%; margin-top: .6rem; font: inherit; padding: .7rem .8rem; color: var(--white); background: var(--graphite); border: 1px solid var(--line-ui); border-radius: var(--radius); min-height: 84px; resize: vertical; }
.analyze-top-risk { border-top-width: 4px; margin: 1.2rem 0; padding: 1.2rem; }
.analyze-top-risk h3 { margin: .4rem 0; }
.analyze-calculation { border: 1px solid var(--line-ui); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1.2rem 0; display: grid; gap: .5rem; }
.analyze-calculation summary { cursor: pointer; color: #aaa; font-size: .9rem; font-weight: 700; }
.analyze-calculation summary:hover, .analyze-calculation summary:focus-visible { color: var(--gold-soft); }
.analyze-calculation p { margin: 0; color: #c9c9c9; font-size: .85rem; }
.analyze-calculation p.analyze-muted { color: #9b9b9b; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}