:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --ink: #101826;
  --muted: #5c6878;
  --line: #cfd8e6;
  --line-strong: #9fb0c7;
  --blue: #1f5eff;
  --blue-dark: #0d3fc7;
  --orange: #ff6b2c;
  --orange-soft: #fff0e9;
  --cyan: #09a7c5;
  --green: #1f8d64;
  --red: #c8403d;
  --shadow: 0 24px 70px rgba(29, 52, 84, .12);
  --radius: 18px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.67;
  background:
    linear-gradient(rgba(31,94,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,94,255,.035) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
}
a { color: var(--blue-dark); text-underline-offset: .18em; }
a:hover { color: var(--orange); }
button, input { font: inherit; }
img, svg { max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 14px; top: -70px; z-index: 999; padding: 10px 14px; color: white; background: var(--blue-dark); }
.skip-link:focus { top: 0; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(159,176,199,.65); background: rgba(244,247,251,.94); backdrop-filter: blur(16px); }
.header-inner { width: min(1240px, calc(100% - 32px)); min-height: 72px; margin: auto; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand__mark { width: 46px; height: 46px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 10px; font-family: var(--mono); font-weight: 800; box-shadow: 7px 7px 0 var(--orange); }
.brand__text { display: grid; line-height: 1.1; }
.brand__text strong { font-size: 16px; letter-spacing: -.01em; }
.brand__text small { margin-top: 5px; color: var(--muted); font: 10px/1.2 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.nav { margin-left: auto; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { flex: 0 0 auto; padding: 8px 10px; color: var(--muted); font: 700 12px/1 var(--mono); text-decoration: none; text-transform: uppercase; border-radius: 7px; }
.nav a:hover, .nav a[aria-current="page"] { color: white; background: var(--blue); }
.shell { width: min(1240px, calc(100% - 32px)); margin-inline: auto; }
.breadcrumbs { padding-top: 22px; display: flex; flex-wrap: wrap; gap: 7px; color: var(--muted); font: 12px/1.4 var(--mono); }
.breadcrumbs a { color: inherit; }
.hero { padding: 52px 0 56px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(360px,.92fr); gap: clamp(32px,6vw,80px); align-items: center; }
.eyebrow, .section-id { margin: 0 0 13px; color: var(--blue); font: 800 11px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; text-wrap: balance; }
h1 { max-width: 920px; margin-bottom: 0; font-size: clamp(44px,7vw,82px); letter-spacing: -.055em; }
h2 { font-size: clamp(30px,4vw,48px); letter-spacing: -.035em; }
h3 { font-size: 23px; letter-spacing: -.02em; }
.hero__lead { max-width: 780px; margin: 26px 0 0; color: var(--muted); font-size: clamp(18px,2vw,23px); }
.hero__meta { margin-top: 27px; display: flex; flex-wrap: wrap; gap: 8px; }
.hero__meta span { padding: 7px 10px; color: var(--muted); background: rgba(255,255,255,.78); border: 1px solid var(--line); border-radius: 7px; font: 700 11px/1 var(--mono); text-transform: uppercase; }
.blueprint { position: relative; padding: 18px; background: #0d2a68; border: 1px solid #5276c8; border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.blueprint::before { content: "FORMULA / 03+01"; position: absolute; left: 18px; top: 12px; z-index: 2; color: rgba(255,255,255,.72); font: 700 10px/1 var(--mono); letter-spacing: .12em; }
.blueprint img { display: block; }
.page-grid { display: grid; grid-template-columns: minmax(0,1fr) 250px; gap: clamp(30px,5vw,68px); padding: 58px 0 80px; align-items: start; }
.article { min-width: 0; }
.page-map { position: sticky; top: 96px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.75); box-shadow: 0 14px 40px rgba(29,52,84,.07); }
.page-map strong { display: block; margin-bottom: 10px; font: 800 12px/1 var(--mono); text-transform: uppercase; }
.page-map a { display: block; padding: 7px 0; color: var(--muted); font-size: 13px; text-decoration: none; }
.page-map a[aria-current="page"] { color: var(--orange); font-weight: 800; }
.lab-answer { margin-bottom: 54px; padding: clamp(26px,4vw,42px); color: white; background: linear-gradient(135deg,#10255c,#1f5eff); border-radius: var(--radius); box-shadow: var(--shadow); }
.lab-answer__code { margin-bottom: 14px; color: #a9c4ff; font: 800 11px/1 var(--mono); letter-spacing: .14em; }
.lab-answer h2 { margin-bottom: 16px; }
.lab-answer p { max-width: 820px; margin: 0; color: rgba(255,255,255,.86); }
.lab-answer p + p { margin-top: 14px; }
.lab-section { padding: 49px 0; border-top: 1px solid var(--line); }
.lab-section > p, .lab-section > ol, .lab-section > ul { max-width: 840px; }
.section-lead { color: var(--muted); }
.matrix { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.matrix--formula { grid-template-columns: repeat(2,minmax(0,1fr)); }
.cell, .criteria-grid article, .risk-grid article, .claim-grid article, .score-grid article { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.82); }
.cell span, .risk-grid span, .claim-grid span { display: block; margin-bottom: 17px; color: var(--blue); font: 800 10px/1 var(--mono); letter-spacing: .1em; }
.cell p, .criteria-grid p, .risk-grid p, .claim-grid p, .score-grid p { margin: 0; color: var(--muted); font-size: 15px; }
.cell--core { border-left: 4px solid var(--blue); }
.cell--signal, .is-signal { border-color: rgba(255,107,44,.6) !important; background: var(--orange-soft) !important; }
.cell--signal span, .is-signal span { color: var(--orange); }
.split-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(270px,.5fr); gap: 24px; align-items: start; }
.signal-card { padding: 24px; border: 2px solid var(--orange); border-radius: 14px; background: var(--orange-soft); }
.signal-card b { color: var(--orange); font: 800 11px/1 var(--mono); letter-spacing: .1em; }
.signal-card p { margin: 14px 0; }
.signal-card a { font-weight: 800; }
.analyzer { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 16px; }
.analyzer fieldset, .analyzer__result { margin: 0; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.82); }
.analyzer legend { padding: 0 7px; font: 800 12px/1 var(--mono); text-transform: uppercase; }
.analyzer label { margin: 8px 0; padding: 10px 12px; display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.analyzer label:has(input:checked) { color: white; background: var(--blue); border-color: var(--blue); }
.analyzer label.is-signal:has(input:checked) { color: var(--ink); background: var(--orange-soft) !important; border-color: var(--orange) !important; }
.analyzer__result { display: grid; align-content: center; min-height: 250px; background: #101826; color: white; }
.analyzer__result > span { color: #9ab7ff; font: 800 11px/1 var(--mono); }
.analyzer__result strong { margin-top: 18px; font-size: 28px; line-height: 1.15; }
.analyzer__result p { color: rgba(255,255,255,.72); }
.criteria-grid, .risk-grid, .claim-grid, .score-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.criteria-grid article b { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 18px; color: white; background: var(--blue); border-radius: 7px; font-family: var(--mono); }
.layers { display: grid; gap: 10px; }
.layers > div { padding: 18px 20px; display: grid; grid-template-columns: 90px 230px 1fr; gap: 16px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.8); align-items: center; }
.layers span { color: var(--blue); font: 800 11px/1 var(--mono); }
.layers p { margin: 0; color: var(--muted); }
.module-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.module-links a { min-height: 128px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.82); }
.module-links a:hover { color: white; background: var(--blue); transform: translateY(-2px); }
.module-links small { color: var(--orange); font: 800 10px/1 var(--mono); letter-spacing: .1em; }
.module-links strong { font-size: 20px; line-height: 1.25; }
.module-stack { margin: 24px 0; display: grid; grid-template-columns: 1fr auto 1fr; gap: 13px; align-items: stretch; }
.module-stack > div { padding: 22px; display: grid; align-content: center; gap: 7px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.module-stack__plus { place-items: center; border: 0 !important; background: transparent !important; color: var(--orange); font: 800 32px/1 var(--mono); }
.comparison-table { margin: 24px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 13px; background: white; }
.comparison-table > div { min-width: 690px; padding: 14px 16px; display: grid; grid-template-columns: 1fr 1.35fr 1.35fr; gap: 14px; border-top: 1px solid var(--line); }
.comparison-table--wide > div { grid-template-columns: .9fr 1.1fr 1.1fr 1.3fr; }
.comparison-table > div:first-child { border-top: 0; }
.comparison-table__head { color: white; background: var(--blue); font: 800 11px/1.3 var(--mono); text-transform: uppercase; }
.comparison-table span { color: var(--muted); }
.comparison-table__head span { color: inherit; }
.comparison-table .is-highlight { background: var(--orange-soft); }
.protocol-list { margin: 24px 0; padding: 0; list-style: none; counter-reset: protocol; }
.protocol-list li { position: relative; padding: 18px 0 18px 54px; border-top: 1px solid var(--line); counter-increment: protocol; }
.protocol-list li::before { content: counter(protocol, decimal-leading-zero); position: absolute; left: 0; top: 16px; color: var(--blue); font: 800 15px/1 var(--mono); }
.protocol-list b, .protocol-list span { display: block; }
.protocol-list span { color: var(--muted); }
.role-map { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.role-map > div { padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.role-map span { display: block; margin-bottom: 16px; color: var(--green); font: 800 10px/1 var(--mono); }
.role-map__no span { color: var(--red); }
.role-map p { color: var(--muted); }
.memory-model { margin: 26px 0; display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; }
.memory-model > div { padding: 24px; display: grid; gap: 6px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.memory-model__arrow { place-items: center; border: 0 !important; background: transparent !important; color: var(--blue); font-size: 34px; }
.memory-model small { color: var(--blue); font: 800 12px/1 var(--mono); }
.memory-model span { color: var(--muted); }
.warning-box { padding: 22px; border: 1px solid rgba(200,64,61,.45); border-radius: 13px; background: #fff0ef; }
.warning-box > b { color: var(--red); font: 800 11px/1 var(--mono); }
.warning-box--hero { margin-bottom: 48px; padding: 32px; }
.warning-box--hero h2 { margin-top: 14px; }
.signal-line { margin: 26px 0; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font: 800 12px/1 var(--mono); }
.signal-line span { padding: 10px 12px; color: white; background: var(--blue); border-radius: 8px; }
.signal-line span:nth-of-type(2) { background: var(--orange); }
.signal-line i { flex: 1; min-width: 40px; height: 1px; background: var(--line-strong); }
.score-grid { grid-template-columns: repeat(5,minmax(0,1fr)); }
.score-grid article { padding: 17px; }
.score-grid span { color: var(--blue); font: 800 18px/1 var(--mono); }
.score-grid h3 { margin-top: 17px; font-size: 18px; }
.claim-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.claim-grid article:nth-child(3) span { color: var(--red); }
.check-list, .stop-list { max-width: 840px; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; list-style: none; }
.check-list li, .stop-list li { padding: 13px 14px 13px 42px; position: relative; border: 1px solid var(--line); border-radius: 9px; background: white; }
.check-list li::before { content: "✓"; position: absolute; left: 14px; color: var(--green); font-weight: 900; }
.stop-list li::before { content: "!"; position: absolute; left: 16px; color: var(--red); font: 900 16px/1 var(--mono); }
.faq-section, .sources, .next-reading { padding: 52px 0; border-top: 1px solid var(--line); }
.faq { display: grid; gap: 9px; }
.faq details { border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.82); }
.faq summary { padding: 17px 20px; cursor: pointer; font-weight: 800; }
.faq details p { padding: 0 20px 18px; margin: 0; color: var(--muted); }
.source-list { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: sources; }
.source-list li { position: relative; padding: 16px 0 16px 48px; border-top: 1px solid var(--line); counter-increment: sources; }
.source-list li::before { content: counter(sources, decimal-leading-zero); position: absolute; left: 0; color: var(--blue); font: 800 14px/1 var(--mono); }
.source-list a { font-weight: 800; }
.source-list p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.next-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.next-grid a { padding: 19px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 11px; background: white; }
.next-grid small { display: block; color: var(--orange); font: 800 10px/1 var(--mono); }
.next-grid strong { display: block; margin-top: 8px; font-size: 19px; }
.updated { margin-top: 25px; color: var(--muted); font: 12px/1.5 var(--mono); }
.site-footer { padding: 40px 0; color: rgba(255,255,255,.72); background: #101826; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; }
.site-footer strong { color: white; }
.site-footer p { max-width: 700px; margin: 8px 0 0; font-size: 13px; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }
.site-footer a { color: #b8c7e5; font-size: 13px; }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.error-card { width: min(680px,100%); padding: 46px; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow); }
.error-card b { display: block; color: var(--orange); font: 900 82px/1 var(--mono); }
@media (max-width: 1050px) { .score-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 940px) {
  .header-inner { padding: 13px 0; align-items: flex-start; flex-direction: column; gap: 10px; }
  .nav { width: 100%; margin-left: 0; }
  .hero-grid, .page-grid { grid-template-columns: 1fr; }
  .page-map { display: none; }
  .blueprint { max-width: 680px; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .shell, .header-inner { width: min(100% - 22px,1240px); }
  .brand__text small { display: none; }
  h1 { font-size: clamp(40px,13vw,60px); }
  .matrix, .matrix--formula, .criteria-grid, .risk-grid, .claim-grid, .role-map, .module-links, .next-grid, .analyzer, .split-grid, .check-list, .stop-list, .score-grid { grid-template-columns: 1fr; }
  .layers > div { grid-template-columns: 1fr; }
  .module-stack, .memory-model { grid-template-columns: 1fr; }
  .module-stack__plus, .memory-model__arrow { min-height: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
}
@media print { .site-header, .page-map, .site-footer, .next-reading, .analyzer { display: none !important; } body { background: white; } }