:root {
  color-scheme: dark;
  --ink: #101112;
  --ink-soft: #181a1b;
  --paper: #f1efe8;
  --paper-dim: #b7b6ae;
  --line: #353738;
  --signal: #d9ff43;
  --signal-ink: #111305;
  --blue: #6b8cff;
  --coral: #ff6b57;
  --max: 1420px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --serif: Iowan Old Style, Baskerville, Times New Roman, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
a { color: inherit; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
::selection { background: var(--signal); color: var(--signal-ink); }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: -4rem; background: var(--signal); color: var(--signal-ink); padding: .7rem 1rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.site-header { max-width: var(--max); margin: auto; min-height: 92px; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: .7rem; align-items: center; text-decoration: none; font-weight: 760; letter-spacing: -.04em; font-size: 1.15rem; }
.brand > span:last-child > span { color: var(--signal); }
.brand-mark { display: grid; grid-template-columns: repeat(3, 5px); align-items: end; gap: 3px; width: 21px; height: 21px; }
.brand-mark i { display: block; background: var(--signal); }
.brand-mark i:nth-child(1) { height: 8px; }.brand-mark i:nth-child(2) { height: 20px; }.brand-mark i:nth-child(3) { height: 13px; }
nav { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 2.7rem); font-size: .85rem; font-weight: 650; }
nav a { text-decoration: none; color: var(--paper-dim); } nav a:hover { color: var(--paper); }
nav a[aria-current="page"] { color: var(--paper); }
.nav-action { color: var(--signal); }
main, footer { max-width: var(--max); margin: auto; }
.hero { padding: clamp(4rem, 8vw, 8.5rem) var(--gutter) 0; overflow: hidden; }
.eyebrow, .section-number { text-transform: uppercase; letter-spacing: .16em; font-size: .7rem; font-weight: 780; color: var(--paper-dim); }
.eyebrow { display: flex; gap: .65rem; align-items: center; }
.eyebrow span { border: 1px solid var(--line); padding: .35rem .55rem; }
.eyebrow span:first-child { border-color: var(--signal); color: var(--signal); }
h1 { max-width: 1180px; margin: clamp(2rem, 5vw, 4.3rem) 0 1.8rem; font-size: clamp(3.7rem, 9vw, 9.4rem); line-height: .84; letter-spacing: -.076em; font-weight: 760; }
h1 em, h2 em { font-family: var(--serif); font-weight: 400; color: var(--signal); }
.hero-deck { max-width: 760px; color: var(--paper-dim); font-size: clamp(1.15rem, 2vw, 1.65rem); line-height: 1.4; letter-spacing: -.025em; }
.hero-actions { margin: 2.3rem 0 4rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem; }
.button { display: inline-flex; gap: 1.7rem; align-items: center; padding: .95rem 1.1rem; text-decoration: none; font-weight: 780; }
.button-primary { background: var(--signal); color: var(--signal-ink); }
.button:hover { transform: translateY(-2px); }
.text-link { color: var(--paper-dim); text-underline-offset: 5px; text-decoration-color: var(--line); }
.topology { min-height: 520px; position: relative; display: grid; grid-template-columns: 36% 8% 56%; border: 1px solid var(--line); background: linear-gradient(120deg, #131516 0%, #101112 60%); }
.topology-label { position: absolute; z-index: 3; top: 1.2rem; text-transform: uppercase; letter-spacing: .14em; font-size: .65rem; color: var(--paper-dim); }
.scan-label { left: 1.2rem; }.network-label { right: 1.2rem; color: var(--signal); }
.scan-stack { display: grid; place-items: center; position: relative; overflow: hidden; }
.scan-stack span { position: absolute; width: 72%; height: 44px; border: 1px solid #393b3c; transform: skewY(-7deg); background: #151718; }
.scan-stack span:nth-child(1) { top: 100px; }.scan-stack span:nth-child(2) { top: 145px; }.scan-stack span:nth-child(3) { top: 190px; }.scan-stack span:nth-child(4) { top: 235px; }.scan-stack span:nth-child(5) { top: 280px; }.scan-stack span:nth-child(6) { top: 325px; }.scan-stack span:nth-child(7) { top: 370px; }.scan-stack span:nth-child(8) { top: 415px; }
.scan-stack strong { z-index: 2; text-transform: uppercase; text-align: center; font-size: clamp(1.3rem, 2.5vw, 2.5rem); line-height: .9; letter-spacing: -.04em; color: #797b79; }
.topology-divider { display: grid; place-items: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: repeating-linear-gradient(45deg, transparent, transparent 8px, #1f2122 9px, #1f2122 10px); }
.topology-divider span { writing-mode: vertical-rl; padding: .7rem .35rem; background: var(--coral); color: #180300; font-size: .65rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.topic-network { position: relative; overflow: hidden; }
.topic-network svg { position: absolute; inset: 10% 8%; width: 84%; height: 70%; }
.topic-network path { fill: none; stroke: #454849; stroke-width: 1.2; stroke-dasharray: 4 7; vector-effect: non-scaling-stroke; }
.topic-network path.active { stroke: var(--signal); stroke-width: 2; stroke-dasharray: 2 5; }
.node { position: absolute; z-index: 2; display: grid; place-items: center; width: clamp(48px, 6vw, 76px); aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; background: var(--ink); color: var(--paper-dim); font-weight: 800; }
.node::after { content: ''; position: absolute; inset: 8px; border: 1px dashed #47494a; border-radius: 50%; }
.node-a { left: 9%; top: 38%; }.node-b { right: 9%; top: 25%; border-color: var(--signal); color: var(--signal); }.node-c { right: 12%; bottom: 11%; }
.packet { position: absolute; z-index: 3; display: flex; flex-direction: column; justify-content: center; width: 63px; height: 80px; padding: .5rem; box-shadow: 0 12px 40px #0008; }
.packet b { font-size: 1.3rem; }.packet small { font-size: .57rem; text-transform: uppercase; letter-spacing: .08em; }
.packet-one { left: 39%; top: 24%; background: var(--blue); }.packet-two { left: 52%; top: 53%; background: var(--signal); color: var(--signal-ink); transform: rotate(8deg); }
.topic-network p { position: absolute; left: 10%; bottom: 8%; margin: 0; font-family: var(--serif); font-size: clamp(1.3rem, 2.4vw, 2.3rem); line-height: 1; }.topic-network p strong { color: var(--signal); font-weight: 400; }
.manifesto, .model, .survival, .next { padding: clamp(6rem, 11vw, 11rem) var(--gutter); border-bottom: 1px solid var(--line); }
.manifesto { display: grid; grid-template-columns: 22% 1fr; gap: 5%; }
h2 { margin: 0 0 2rem; max-width: 1000px; font-size: clamp(2.7rem, 6vw, 6rem); line-height: .95; letter-spacing: -.055em; }
.lead { max-width: 780px; font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 2rem); line-height: 1.42; color: var(--paper-dim); }
.truth-grid { margin-top: 4rem; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.truth-grid article { min-height: 230px; padding: 1.5rem 1.5rem 1.5rem 0; border-right: 1px solid var(--line); }.truth-grid article + article { padding-left: 1.5rem; }
.truth-grid span { color: var(--signal); font-family: var(--serif); }.truth-grid h3 { font-size: 1.5rem; margin: 3rem 0 .5rem; }.truth-grid p { color: var(--paper-dim); max-width: 230px; }
.model { background: var(--paper); color: var(--ink); display: grid; grid-template-columns: 42% 1fr; gap: 9%; }
.model .section-number { color: #60625d; }.model h2 { font-size: clamp(2.7rem, 5vw, 5.2rem); }.model h2 em { color: #3850b9; }.model-copy > p:last-child { max-width: 570px; font-family: var(--serif); font-size: 1.35rem; color: #4b4d49; }
.flow { margin: 0; padding: 0; list-style: none; border-top: 1px solid #bfc0b9; }
.flow li { display: grid; grid-template-columns: 28% 1fr auto; gap: 1rem; align-items: center; min-height: 94px; border-bottom: 1px solid #bfc0b9; }.flow li:hover { background: #e7e4db; }
.flow b { font-size: 1.1rem; }.flow span { color: #656661; }.flow i { font-family: var(--serif); font-size: 1.4rem; font-style: normal; color: #3850b9; }
.survival-card { margin: 2rem 0 0 22%; border: 1px solid var(--line); padding: clamp(1.5rem, 4vw, 4rem); background: var(--ink-soft); }
.kicker { display: inline-block; background: var(--coral); color: #210402; padding: .3rem .5rem; font-size: .65rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.equation { margin: 3rem 0; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; font-size: clamp(1.4rem, 3.2vw, 3.4rem); letter-spacing: -.04em; }.equation span { border-bottom: 2px solid var(--paper); }.equation b { color: #717373; }.equation strong { color: var(--signal); }
.survival-card > p { max-width: 850px; font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.7rem); color: var(--paper-dim); }.survival-card > p b { color: var(--paper); }
.next-grid { margin-top: 2rem; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.next-grid a { min-height: 250px; display: flex; flex-direction: column; padding: 1.8rem; text-decoration: none; border-right: 1px solid var(--line); }.next-grid a:hover { background: var(--signal); color: var(--signal-ink); }.next-grid small { color: var(--paper-dim); text-transform: uppercase; letter-spacing: .12em; }.next-grid a:hover small { color: #4f581e; }.next-grid b { margin-top: 3.5rem; max-width: 290px; font-size: 1.7rem; line-height: 1.1; }.next-grid span { margin-top: auto; font-family: var(--serif); }
footer { padding: 3rem var(--gutter); min-height: 170px; display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 2rem; color: var(--paper-dim); font-size: .75rem; } footer p { margin: 0; font-family: var(--serif); font-size: 1rem; color: var(--paper); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }.footer-links a { text-underline-offset: 4px; }

/* Home */
.home-hero { padding-bottom: clamp(6rem, 10vw, 10rem); }
.home-hero h1 { max-width: 1100px; }
.feature-card { position: relative; min-height: clamp(440px, 52vw, 650px); margin-top: clamp(4rem, 8vw, 8rem); padding: clamp(1.5rem, 4vw, 4rem); display: grid; grid-template-columns: 1fr 1fr; align-content: end; border: 1px solid var(--line); overflow: hidden; text-decoration: none; background: radial-gradient(circle at 79% 34%, #6b8cff28, transparent 26%), linear-gradient(135deg, #151718, #0e0f10); }
.feature-card::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(#2d303166 1px, transparent 1px), linear-gradient(90deg, #2d303166 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(90deg, transparent, black); }
.feature-index, .feature-kicker, .feature-card h2, .feature-card p, .feature-action { position: relative; z-index: 2; }
.feature-index { position: absolute; top: 1.5rem; left: 1.5rem; font-family: var(--serif); color: var(--signal); }
.feature-kicker { grid-column: 1; color: var(--signal); text-transform: uppercase; letter-spacing: .15em; font-size: .68rem; font-weight: 800; }
.feature-card h2 { grid-column: 1; margin: .4rem 0; font-size: clamp(4rem, 10vw, 9rem); line-height: .85; }
.feature-card p { grid-column: 1; margin: 1.5rem 0 0; max-width: 600px; color: var(--paper-dim); font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.5rem); }
.feature-action { grid-column: 2; grid-row: 2 / 5; align-self: end; justify-self: end; width: 150px; height: 150px; padding: 1.2rem; display: flex; flex-direction: column; justify-content: space-between; background: var(--signal); color: var(--signal-ink); font-weight: 800; }.feature-action b { align-self: end; font-size: 1.5rem; }
.feature-orbit { position: absolute; z-index: 1; right: 11%; top: 7%; width: min(42vw, 490px); aspect-ratio: 1; border: 1px solid #6b8cff80; border-radius: 50%; }
.feature-orbit::before, .feature-orbit::after { content: ''; position: absolute; border: 1px dashed #8d9eea55; border-radius: 50%; }.feature-orbit::before { inset: 14%; }.feature-orbit::after { inset: 32%; background: var(--signal); box-shadow: 0 0 90px #d9ff4344; }
.feature-orbit i { position: absolute; width: 18px; aspect-ratio: 1; border-radius: 50%; background: var(--blue); }.feature-orbit i:nth-child(1) { top: 7%; left: 21%; }.feature-orbit i:nth-child(2) { right: 4%; top: 48%; background: var(--coral); }.feature-orbit i:nth-child(3) { bottom: 8%; left: 25%; background: var(--paper); }
.home-principles { padding: clamp(6rem, 11vw, 11rem) var(--gutter); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 22% 1fr; gap: 5%; }
.question-band { padding: clamp(3rem, 7vw, 7rem) var(--gutter); display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; background: var(--signal); color: var(--signal-ink); }.question-band p { margin: 0; text-transform: uppercase; letter-spacing: .14em; font-size: .7rem; font-weight: 800; }.question-band a { font-family: var(--serif); font-size: clamp(1.7rem, 4vw, 4rem); line-height: 1; text-decoration-thickness: 2px; text-underline-offset: 9px; }

/* Long-form guide */
.chapter-nav { max-width: var(--max); margin: auto; padding: 0 var(--gutter); min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; overflow-x: auto; border-bottom: 1px solid var(--line); background: #101112f2; position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }.chapter-nav a { white-space: nowrap; font-size: .69rem; text-transform: uppercase; letter-spacing: .11em; }
.plain-callout { max-width: 830px; margin: 4rem 0 1rem; display: grid; grid-template-columns: 150px 1fr; gap: 2rem; border-left: 3px solid var(--signal); padding: 1.4rem 0 1.4rem 1.5rem; }.plain-callout b { color: var(--signal); text-transform: uppercase; letter-spacing: .14em; font-size: .7rem; }.plain-callout p { margin: 0; font-family: var(--serif); font-size: 1.25rem; color: var(--paper-dim); }
.roles-section, .protocol-section, .proof-section, .case-section, .myths-section, .action-section, .build-principle, .roadmap, .starter-section, .guardrails-section, .checklist-section, .score-meaning, .handoff-section, .atlas-note, .resource-group { padding: clamp(6rem, 11vw, 11rem) var(--gutter); border-bottom: 1px solid var(--line); }
.roles-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }.roles-grid article { min-height: 360px; padding: 2rem; display: flex; flex-direction: column; border-right: 1px solid var(--line); }.roles-grid article:last-child { border: 0; }.roles-grid .role-focus { background: var(--signal); color: var(--signal-ink); }.role-icon { font-size: 2rem; color: var(--signal); }.role-focus .role-icon { color: var(--signal-ink); }.roles-grid h3 { margin: auto 0 1rem; font-size: 2rem; }.roles-grid p { color: var(--paper-dim); }.role-focus p { color: #3a4118; }.roles-grid small { margin-top: 2rem; text-transform: uppercase; letter-spacing: .14em; }.caption { max-width: 790px; margin: 2rem 0 0 auto; font-family: var(--serif); color: var(--paper-dim); font-size: 1.1rem; }
.protocol-section { background: #17191a; }.protocol-intro { display: grid; grid-template-columns: 20% 1fr 36%; gap: 4%; align-items: end; }.protocol-intro h2, .protocol-intro p { margin-bottom: 0; }.protocol-intro > p:last-child { color: var(--paper-dim); font-family: var(--serif); font-size: 1.2rem; }.protocol-grid { margin: 5rem 0 2rem 20%; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }.protocol-grid article { min-height: 390px; padding: clamp(1.5rem, 3vw, 3rem); display: flex; flex-direction: column; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }.protocol-grid article:nth-child(even) { border-right: 0; }.protocol-grid article:nth-last-child(-n+2) { border-bottom: 0; }.protocol-code { font-family: var(--serif); font-size: clamp(3.6rem, 7vw, 7rem); line-height: .9; color: var(--signal); letter-spacing: -.06em; }.protocol-grid h3 { margin: 2rem 0 .7rem; font-size: 1.35rem; }.protocol-grid p { max-width: 500px; color: var(--paper-dim); }.protocol-grid a { margin-top: auto; text-underline-offset: 5px; color: var(--signal); }.accuracy-note { margin-left: 20%; max-width: 900px; padding: 1.5rem; display: grid; grid-template-columns: 180px 1fr; gap: 1rem; border: 1px solid var(--coral); }.accuracy-note b { color: var(--coral); text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; }.accuracy-note p { margin: 0; color: var(--paper-dim); }
.proof-section { display: grid; grid-template-columns: 40% 1fr; gap: 8%; background: var(--paper); color: var(--ink); }.proof-section .section-number { color: #60625d; }.proof-section h2 em { color: #3850b9; }.proof-section .lead { font-size: 1.3rem; color: #4c4e49; }.proof-stack { align-self: center; }.proof-stack div { min-height: 92px; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border: 1px solid #adafa8; border-bottom: 0; background: #e4e2da; transform: perspective(700px) rotateX(-2deg); }.proof-stack div:nth-child(2) { margin: 0 4%; }.proof-stack div:nth-child(3) { margin: 0 8%; }.proof-stack div.proof-foundation { margin: 0 12%; border-bottom: 1px solid #161816; background: #1b1d1c; color: white; }.proof-stack span { text-transform: uppercase; letter-spacing: .12em; font-size: .63rem; color: #656760; }.proof-foundation span { color: #aeb0aa; }.proof-stack b { text-align: right; }.proof-facts { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4rem; border-top: 1px solid #bfc0b9; }.proof-facts p { padding: 1.5rem; margin: 0; border-right: 1px solid #bfc0b9; color: #575953; }.proof-facts p:last-child { border: 0; }.proof-facts b { color: #3850b9; }
.case-section { background: #111314; }.case-header { margin-top: 2rem; display: grid; grid-template-columns: 1fr 38%; gap: 8%; align-items: end; }.case-header p { color: var(--paper-dim); font-family: var(--serif); font-size: 1.25rem; }.case-label { color: var(--coral); text-transform: uppercase; letter-spacing: .14em; font-size: .68rem; font-weight: 800; }.artifact { margin: 5rem 0; min-height: 390px; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); background: #17191a; }.artifact-meta { padding: clamp(2rem, 4vw, 4rem); display: grid; grid-template-columns: 150px 1fr; gap: 1.2rem; align-content: center; border-right: 1px solid var(--line); }.artifact-meta span { text-transform: uppercase; color: var(--paper-dim); letter-spacing: .12em; font-size: .65rem; }.artifact-meta code { overflow-wrap: anywhere; color: var(--blue); }.artifact-question { padding: 3rem; display: grid; place-items: center; text-align: center; background: radial-gradient(circle, #d9ff4316, transparent 55%); }.artifact-question span { display: grid; place-items: center; width: 130px; aspect-ratio: 1; border: 1px solid var(--signal); border-radius: 50%; font-family: var(--serif); font-size: 5rem; color: var(--signal); }.artifact-question p { max-width: 480px; font-family: var(--serif); color: var(--paper-dim); font-size: 1.2rem; }.case-steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }.case-steps article { padding: 2rem; border-right: 1px solid var(--line); }.case-steps article:last-child { border: 0; }.case-steps i { color: var(--signal); font-family: var(--serif); font-style: normal; }.case-steps p { color: var(--paper-dim); }.case-actions { margin-top: 4rem; display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; }
.myths-section { background: var(--coral); color: #210402; }.myths { margin-top: 2rem; }.myths article { min-height: 110px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; border-top: 1px solid #651c12; }.myths article:last-child { border-bottom: 1px solid #651c12; }.myths b, .myths strong { font-size: clamp(1.2rem, 2.2vw, 2rem); }.myths strong { text-align: right; }.myths span { font-family: var(--serif); font-style: italic; }
.action-section h2 { max-width: 1100px; }.action-section .next-grid { margin-top: 4rem; }.next-grid.two { grid-template-columns: repeat(2, 1fr); }.next-grid.two a { min-height: 310px; }

/* Fast orientation */
.quick-model { margin: 3rem 0 4rem; padding: clamp(1.25rem, 2.5vw, 2rem); border: 1px solid var(--line); background: #151718; }
.quick-model > span { display: block; margin-bottom: 1rem; color: var(--signal); text-transform: uppercase; letter-spacing: .14em; font-size: .66rem; font-weight: 800; }
.quick-model > p { margin: .4rem 0; color: var(--paper-dim); font-family: var(--serif); font-size: clamp(1.05rem, 1.7vw, 1.35rem); }
.quick-model > p b { color: var(--paper); font-family: var(--sans); }
.quick-model nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.quick-model nav a { padding-top: .9rem; border-top: 1px solid var(--line); color: var(--signal); text-decoration: none; font-size: .78rem; }
.quick-model nav a:hover { border-color: var(--signal); }

/* Recovery kit */
.kit-hero { position: relative; padding: clamp(5rem, 10vw, 10rem) var(--gutter); min-height: 760px; border-bottom: 1px solid var(--line); overflow: hidden; }.kit-hero::after { content: ''; position: absolute; right: -8%; bottom: -28%; width: min(64vw, 850px); aspect-ratio: 1; border: 1px solid #d9ff4366; border-radius: 50%; box-shadow: inset 0 0 0 80px #101112, inset 0 0 0 81px #d9ff4333, inset 0 0 0 160px #101112, inset 0 0 0 161px #d9ff4322; }.kit-hero h1, .resource-hero h1, .prose-page header h1 { position: relative; z-index: 2; max-width: 1100px; }.kit-hero .hero-deck { position: relative; z-index: 2; }.score-card { position: absolute; z-index: 3; right: var(--gutter); bottom: 3rem; width: min(380px, 85vw); padding: 1.5rem; background: var(--signal); color: var(--signal-ink); }.score-card > span { text-transform: uppercase; letter-spacing: .13em; font-size: .65rem; font-weight: 800; }.score-card strong { display: block; font-size: 6rem; line-height: 1; letter-spacing: -.07em; }.score-card small { font-size: 1.2rem; }.score-card p { font-size: .75rem; max-width: 260px; }
.checklist-section { display: grid; grid-template-columns: 32% 1fr; gap: 8%; }.checklist-intro { position: sticky; top: 100px; align-self: start; }.checklist-intro h2 { font-size: clamp(2.4rem, 4.5vw, 4.7rem); }.checklist-intro > p:not(.section-number) { color: var(--paper-dim); max-width: 400px; }.kit-tools { display: grid; gap: .8rem; margin-top: 1.5rem; }.kit-tools a { color: var(--signal); text-underline-offset: 4px; }.scenario-button, .reset-button { width: fit-content; padding: .7rem 1rem; border: 1px solid var(--line); color: var(--paper); background: transparent; cursor: pointer; }.scenario-button { border-color: var(--signal); color: var(--signal); font-weight: 750; }.scenario-button:hover, .reset-button:hover { border-color: var(--signal); color: var(--signal); }
.survival-checklist { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }.survival-checklist li { position: relative; }.survival-checklist input { position: absolute; width: 1px; height: 1px; opacity: 0; }.survival-checklist label { min-height: 190px; padding: 2rem 0; display: grid; grid-template-columns: 55px 1fr 45px; gap: 1.3rem; border-bottom: 1px solid var(--line); cursor: pointer; }.survival-checklist label > span:first-child { font-family: var(--serif); color: var(--signal); }.survival-checklist label > span:nth-child(2) { display: flex; flex-direction: column; gap: .7rem; }.survival-checklist label b { color: var(--signal); text-transform: uppercase; letter-spacing: .13em; font-size: .66rem; }.survival-checklist label strong { font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }.survival-checklist label small { color: var(--paper-dim); }.survival-checklist label i { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; color: transparent; font-style: normal; }.survival-checklist input:checked + label { background: #d9ff4308; }.survival-checklist input:checked + label strong { text-decoration: line-through; text-decoration-color: var(--signal); }.survival-checklist input:checked + label i { background: var(--signal); color: var(--signal-ink); border-color: var(--signal); }.survival-checklist input:focus-visible + label { outline: 3px solid var(--blue); outline-offset: 5px; }
.score-meaning { background: var(--paper); color: var(--ink); }.score-meaning .section-number { color: #5b5d58; }.score-grid { margin-top: 2rem; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #b6b8b1; }.score-grid article { min-height: 330px; padding: 2rem; border-right: 1px solid #b6b8b1; }.score-grid article:last-child { border: 0; }.score-grid b { font-family: var(--serif); font-size: 3rem; color: #3850b9; }.score-grid h3 { margin-top: 5rem; font-size: 1.5rem; }.score-grid p { color: #5a5c56; }
.handoff-section { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; }.handoff-section h2 { font-size: clamp(2.5rem, 5vw, 5rem); }.packet-list { border-top: 1px solid var(--line); }.packet-list span { min-height: 74px; padding: 1rem 0; display: flex; align-items: center; border-bottom: 1px solid var(--line); color: var(--paper-dim); }

/* Build kit */
.build-hero::after { border-radius: 0; transform: rotate(27deg); background-image: linear-gradient(#2e3031 1px, transparent 1px), linear-gradient(90deg, #2e3031 1px, transparent 1px); background-size: 40px 40px; box-shadow: none; border: 0; }.kit-hero .button { position: relative; z-index: 3; margin-top: 2rem; }.build-principle { background: var(--signal); color: var(--signal-ink); }.build-principle .section-number { color: #4a531e; }.build-equation { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; font-size: clamp(1.6rem, 4vw, 4.5rem); letter-spacing: -.05em; }.build-equation i { font-family: var(--serif); color: #616c2c; }.build-equation strong { text-decoration: underline; text-underline-offset: 8px; }.build-principle > p:last-child { margin: 3rem 0 0 35%; max-width: 600px; font-family: var(--serif); font-size: 1.2rem; }
.roadmap { padding-bottom: 0; }.roadmap > .section-number { margin-bottom: 4rem; }.roadmap-step { display: grid; grid-template-columns: 100px 1fr 45%; gap: 3rem; padding: 4rem 0; border-top: 1px solid var(--line); }.roadmap-number { font-family: var(--serif); font-size: 2.4rem; color: var(--signal); }.roadmap-step h2 { font-size: clamp(2.2rem, 4vw, 4.3rem); margin: 0; }.roadmap-subtitle { color: var(--paper-dim); font-family: var(--serif); font-size: 1.2rem; }.roadmap-detail > p { margin-top: 0; font-size: 1.1rem; }.roadmap-detail ul { margin: 2rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }.roadmap-detail li { padding: .8rem 0; border-bottom: 1px solid var(--line); color: var(--paper-dim); }.roadmap-detail li::before { content: '✓'; margin-right: .7rem; color: var(--signal); }
.starter-section { display: grid; grid-template-columns: 42% 1fr; gap: 8%; background: var(--paper); color: var(--ink); }.starter-section .section-number { color: #60625d; }.starter-section h2 { font-size: clamp(2.5rem, 5vw, 5rem); }.starter-section h2 em { color: #3850b9; }.starter-section > div:first-child > p:last-child { color: #565852; }.starter-links { border-top: 1px solid #b7b9b2; }.starter-links a { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid #b7b9b2; text-decoration: none; }.starter-links a:hover { background: #e4e1d8; }.starter-links span { color: #3850b9; }
.guardrail-grid { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }.guardrail-grid article { min-height: 230px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.guardrail-grid article:nth-child(3n) { border-right: 0; }.guardrail-grid article:nth-last-child(-n+3) { border-bottom: 0; }.guardrail-grid h3 { color: var(--signal); }.guardrail-grid p { color: var(--paper-dim); }

/* Resources */
.resource-hero, .prose-page header { padding: clamp(5rem, 10vw, 10rem) var(--gutter); border-bottom: 1px solid var(--line); }.resource-hero { background: radial-gradient(circle at 80% 55%, #6b8cff2e, transparent 30%); }.legend { margin-top: 4rem; display: flex; flex-wrap: wrap; gap: 2rem; color: var(--paper-dim); font-size: .75rem; }.legend span { display: flex; align-items: center; gap: .6rem; }.legend i { width: 8px; aspect-ratio: 1; border-radius: 50%; background: var(--signal); }.legend i.context { background: var(--blue); }.legend i.history { background: var(--coral); }
.atlas-note { display: grid; grid-template-columns: 22% 1fr; gap: 5%; }.atlas-note h2 { font-size: clamp(2.5rem, 5vw, 5rem); }.atlas-note p:not(.section-number) { max-width: 760px; color: var(--paper-dim); font-family: var(--serif); font-size: 1.2rem; }.atlas-note a { color: var(--signal); text-underline-offset: 5px; }
.resource-group { display: grid; grid-template-columns: 26% 1fr; gap: 7%; }.resource-group-title { position: sticky; top: 100px; align-self: start; }.resource-group-title > span { font-family: var(--serif); color: var(--signal); }.resource-group-title h2 { margin: 1.5rem 0 .5rem; font-size: clamp(2rem, 3.8vw, 3.8rem); }.resource-group-title small { color: var(--paper-dim); text-transform: uppercase; letter-spacing: .12em; }.resource-list { border-top: 1px solid var(--line); }.resource-list > a { min-height: 150px; padding: 1.4rem 0; display: grid; grid-template-columns: 155px 1fr 130px 20px; gap: 1.5rem; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; }.resource-list > a:hover h3 { color: var(--signal); }.resource-list h3 { margin: 0 0 .4rem; font-size: 1.3rem; }.resource-list p { margin: 0; color: var(--paper-dim); }.resource-status { font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; color: var(--signal); }.resource-owner { color: var(--paper-dim); font-size: .75rem; }.resource-list b { color: var(--signal); }.atlas-close { padding: clamp(4rem, 8vw, 8rem) var(--gutter); display: flex; justify-content: space-between; gap: 2rem; background: var(--signal); color: var(--signal-ink); font-family: var(--serif); font-size: clamp(1.2rem, 2.5vw, 2rem); }.atlas-close p { margin: 0; }.atlas-close a { text-underline-offset: 6px; }

/* About, privacy, utility */
.prose-page section { padding: clamp(6rem, 11vw, 11rem) var(--gutter); display: grid; grid-template-columns: 22% 1fr; gap: 5%; }.prose-page section > div { max-width: 850px; }.prose-page section h2 { font-size: clamp(2.7rem, 5vw, 5.4rem); }.prose-page section h3 { margin-top: 4rem; font-size: 1.4rem; color: var(--signal); }.prose-page section p, .prose-page section li { color: var(--paper-dim); font-size: 1.1rem; }.prose-page section li { margin: .7rem 0; }.prose-page section .lead { font-size: clamp(1.35rem, 2.2vw, 2rem); }.reviewed { margin-top: 4rem; font-size: .8rem !important; text-transform: uppercase; letter-spacing: .12em; }.not-found { min-height: 100vh; padding: 10vw var(--gutter); }.not-found h1 { max-width: 1000px; }

@media (max-width: 780px) {
  .site-header nav > a:not(.nav-action) { display: none; }
  .site-header { min-height: 72px; }
  .topology { min-height: 620px; grid-template-columns: 1fr; grid-template-rows: 34% 7% 59%; }
  .topology-divider { border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.topology-divider span { writing-mode: horizontal-tb; }
  .network-label { top: 44%; }
  .scan-stack span { width: 82%; height: 23px; }.scan-stack span:nth-child(1) { top: 45px; }.scan-stack span:nth-child(2) { top: 65px; }.scan-stack span:nth-child(3) { top: 85px; }.scan-stack span:nth-child(4) { top: 105px; }.scan-stack span:nth-child(5) { top: 125px; }.scan-stack span:nth-child(6) { top: 145px; }.scan-stack span:nth-child(7) { top: 165px; }.scan-stack span:nth-child(8) { top: 185px; }
  .manifesto, .model { grid-template-columns: 1fr; gap: 2rem; }
  .truth-grid, .next-grid { grid-template-columns: 1fr; }.truth-grid article, .truth-grid article + article, .next-grid a { padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); min-height: 180px; }
  .survival-card { margin-left: 0; }
  .flow li { grid-template-columns: 24% 1fr auto; }
  footer { grid-template-columns: 1fr; }
  .feature-card { min-height: 580px; grid-template-columns: 1fr; }.feature-card p { grid-column: 1; }.feature-action { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 2rem; width: 125px; height: 125px; }.feature-orbit { right: -20%; top: 4%; width: 85vw; opacity: .55; }
  .home-principles, .atlas-note, .prose-page section { grid-template-columns: 1fr; }.question-band { grid-template-columns: 1fr; gap: 1.5rem; }
  .chapter-nav { justify-content: flex-start; }
  .plain-callout { grid-template-columns: 1fr; gap: .5rem; }
  .roles-grid, .protocol-grid, .proof-section, .case-header, .artifact, .case-steps, .checklist-section, .score-grid, .handoff-section, .starter-section, .resource-group { grid-template-columns: 1fr; }
  .roles-grid article, .score-grid article { border-right: 0; border-bottom: 1px solid var(--line); }.score-grid article { min-height: 270px; }.score-grid h3 { margin-top: 2rem; }
  .protocol-intro { grid-template-columns: 1fr; gap: 2rem; }.protocol-grid, .accuracy-note { margin-left: 0; }.protocol-grid article { border-right: 0; border-bottom: 1px solid var(--line) !important; min-height: 330px; }.protocol-grid article:last-child { border-bottom: 0 !important; }.accuracy-note { grid-template-columns: 1fr; }
  .proof-facts { grid-template-columns: 1fr; }.proof-facts p { border-right: 0; border-bottom: 1px solid #bfc0b9; }.proof-stack div, .proof-stack div:nth-child(2), .proof-stack div:nth-child(3), .proof-stack div.proof-foundation { margin: 0; }
  .case-header { align-items: start; }.artifact-meta { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: 115px 1fr; }.case-steps article { border-right: 0; border-bottom: 1px solid var(--line); }.case-steps article:last-child { border-bottom: 0; }
  .myths article { grid-template-columns: 1fr; gap: .5rem; padding: 1.5rem 0; }.myths strong { text-align: left; }.next-grid.two { grid-template-columns: 1fr; }
  .kit-hero { min-height: 850px; }.kit-hero::after { width: 100vw; right: -35%; bottom: -5%; }.score-card { left: var(--gutter); right: auto; }.checklist-intro, .resource-group-title { position: static; }.checklist-section { gap: 4rem; }.survival-checklist label { grid-template-columns: 38px 1fr 38px; }.handoff-section { gap: 3rem; }
  .build-principle > p:last-child { margin-left: 0; }.roadmap-step { grid-template-columns: 50px 1fr; gap: 1rem; }.roadmap-detail { grid-column: 2; }.guardrail-grid { grid-template-columns: 1fr; }.guardrail-grid article { border-right: 0; border-bottom: 1px solid var(--line) !important; }.guardrail-grid article:last-child { border-bottom: 0 !important; }.starter-section { gap: 3rem; }
  .quick-model nav { grid-template-columns: 1fr; }.quick-model nav a { padding-bottom: .5rem; }
  .resource-group { gap: 3rem; }.resource-list > a { grid-template-columns: 1fr 24px; }.resource-status, .resource-owner { grid-column: 1; }.resource-list > a > div { grid-column: 1; }.resource-list > a > b { grid-column: 2; grid-row: 1 / 4; }.atlas-close { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }
@media print { .site-header, .hero-actions, footer { display: none; } body { background: white; color: black; } .hero, .manifesto, .model, .survival { padding: 2rem 0; } }

/* Accessibility contrast corrections */
.packet-one { color: #111527; }
.proof-stack span { color: #50524d; }
.proof-foundation span { color: #bfc1bb; }
.myths-section .section-number { color: #210402; }