@font-face {
  font-family: "Hangang";
  src: url("assets/fonts/Hangang.woff2") format("woff2"), url("assets/fonts/Hangang.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Seoul";
  src: url("assets/fonts/Seoul.woff2") format("woff2"), url("assets/fonts/Seoul.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "HBIOS-SYS";
  src: url("assets/fonts/HBIOS-SYS-prop.woff2") format("woff2"), url("assets/fonts/HBIOS-SYS-prop.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "NeoDunggeunmo Pro";
  src: url("assets/fonts/NeoDunggeunmoPro-Regular.woff2") format("woff2"), url("assets/fonts/NeoDunggeunmoPro-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: #eee6d7;
  --paper-2: #e3d8c5;
  --ink: #171713;
  --muted: #686257;
  --line: rgba(23, 23, 19, 0.18);
  --red: #e0462f;
  --red-deep: #a92b1e;
  --cyan: #247e88;
  --cyan-bright: #70d2d7;
  --night: #101416;
  --night-2: #171c1e;
  --cream: #f4e8d2;
  --body-size: 22.5px;
  --body-font: "Hangang", "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  --display-font: "Hangang", "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  --editorial-font: "Hangang", "Noto Sans KR", system-ui, sans-serif;
  --interface-font: "HBIOS-SYS", "Hangang", system-ui, sans-serif;
  --pixel-font: "NeoDunggeunmo Pro", "HBIOS-SYS", monospace;
  --wrap: min(1280px, calc(100vw - 64px));
  --reader-height: 0px;
}

html[data-theme="night"] {
  --paper: #111719;
  --paper-2: #192225;
  --ink: #e8e4da;
  --muted: #a8aaa6;
  --line: rgba(232, 228, 218, 0.16);
  --red: #ff6348;
  --red-deep: #ff745e;
  --cyan: #57bec7;
  --cyan-bright: #8ce4e7;
  --night: #080c0e;
  --night-2: #0d1214;
  --cream: #e9e2d2;
}

html[data-theme="focus"] {
  --paper: #f8f7f3;
  --paper-2: #eceae4;
  --ink: #111;
  --muted: #555;
  --line: rgba(0, 0, 0, 0.16);
  --red: #b6251c;
  --red-deep: #821812;
  --cyan: #195f66;
  --cyan-bright: #4aa9b0;
  --night: #111;
  --night-2: #1a1a1a;
  --cream: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body-font); font-size: var(--body-size); line-height: 1.78; overflow-x: hidden; padding-bottom: var(--reader-height); transition: color .35s ease, background .35s ease; }
button, select, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 3px solid var(--cyan-bright); outline-offset: 4px; }

.noise { position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .055; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
.skip-link { position: fixed; z-index: 1000; left: 1rem; top: -100px; background: #fff; color: #111; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }
.wrap { width: var(--wrap); margin-inline: auto; }
.narrow { max-width: 900px; }
.section-pad { padding-block: clamp(90px, 11vw, 170px); }
.full-bleed { width: 100%; }

.reading-progress { position: fixed; z-index: 1001; top: 0; left: 0; right: 0; height: 3px; background: transparent; }
.reading-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--red), var(--cyan-bright)); }

.topbar { position: absolute; z-index: 20; inset: 0 0 auto; height: 92px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 32px; border-bottom: 1px solid rgba(255,255,255,.18); color: #fff; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-size: .7rem; line-height: 1.1; letter-spacing: .14em; font-weight: 800; width: fit-content; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; letter-spacing: -.03em; }
.topnav { display: flex; gap: 2.1rem; font-size: .76rem; font-weight: 700; letter-spacing: .08em; }
.topnav a { text-decoration: none; opacity: .68; transition: opacity .2s; }
.topnav a:hover { opacity: 1; }
.icon-button { border: 1px solid currentColor; background: transparent; color: inherit; padding: .58rem .85rem; cursor: pointer; }
.settings-open { justify-self: end; font-size: .76rem; }

.hero { min-height: max(760px, 100svh); position: relative; display: flex; align-items: center; background: #080a0a; color: #fff; overflow: hidden; }
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; animation: hero-in 1.4s ease-out both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,6,6,.86) 0%, rgba(5,6,6,.45) 52%, rgba(5,6,6,.08) 100%), linear-gradient(180deg, rgba(0,0,0,.5), transparent 30%, rgba(0,0,0,.36)); }
.hero-copy { z-index: 2; position: relative; padding-top: 70px; }
.kicker { margin: 0 0 1.5rem; color: #e6b975; font-size: .72rem; letter-spacing: .2em; font-weight: 800; }
.hero h1 { max-width: 1020px; font: 400 clamp(3.2rem, 7vw, 7.6rem)/1.04 var(--editorial-font); letter-spacing: -.07em; margin: 0; text-wrap: balance; }
.hero h1 span { color: #e8c79d; font-style: italic; }
.hero-deck { max-width: 680px; margin: 2rem 0 2.4rem; color: rgba(255,255,255,.75); font-size: clamp(1rem, 1.4vw, 1.24rem); line-height: 1.7; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.button { border: 0; min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: .8rem; padding: .75rem 1.35rem; text-decoration: none; cursor: pointer; font-size: .83rem; font-weight: 750; letter-spacing: .02em; }
.button.primary { background: var(--red); color: #fff; }
.button.ghost { border: 1px solid rgba(255,255,255,.4); background: rgba(0,0,0,.25); color: #fff; backdrop-filter: blur(10px); }
.button.outline { background: transparent; color: var(--ink); border: 1px solid var(--ink); margin-top: 2rem; }
.hero-meta { margin: 4rem 0 0; display: flex; gap: clamp(2rem, 5vw, 5rem); }
.hero-meta div { border-left: 1px solid rgba(255,255,255,.24); padding-left: 1rem; }
.hero-meta dt { font-size: .62rem; letter-spacing: .15em; color: rgba(255,255,255,.46); }
.hero-meta dd { margin: .15rem 0 0; font-size: .8rem; }
.art-caption { position: absolute; z-index: 2; bottom: 26px; right: 32px; margin: 0; font-size: .65rem; color: rgba(255,255,255,.45); }
.scroll-cue { position: absolute; right: 32px; top: 50%; z-index: 2; display: flex; align-items: center; gap: .65rem; writing-mode: vertical-rl; font-size: .55rem; letter-spacing: .18em; color: rgba(255,255,255,.45); }
.scroll-cue span { width: 1px; height: 70px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.scroll-cue span:after { content: ""; position: absolute; left: 0; width: 1px; height: 25px; background: #fff; animation: scroll-line 2s ease-in-out infinite; }

.section-label { display: flex; align-items: center; gap: 1rem; margin-bottom: clamp(2.5rem, 6vw, 5rem); font-size: .68rem; line-height: 1; letter-spacing: .18em; font-weight: 800; text-transform: uppercase; }
.section-label:after { content: ""; height: 1px; flex: 1; background: var(--line); }
.section-label span { color: var(--red); font-family: var(--display-font); font-size: 1.15rem; letter-spacing: 0; }
.section-label.inverse { color: rgba(255,255,255,.55); }
.section-label.inverse:after { background: rgba(255,255,255,.16); }
.split-heading { display: grid; grid-template-columns: minmax(0, .95fr) minmax(330px, .7fr); gap: clamp(3rem, 8vw, 9rem); align-items: start; }
.split-heading h2, .judgment h2 { margin: 0; font: 400 clamp(2.3rem, 4.8vw, 5rem)/1.16 var(--editorial-font); letter-spacing: -.045em; }
.split-heading h2 em, .judgment h2 em { color: var(--red); font-weight: 400; }
.lead { margin: 0; color: var(--muted); font-size: 1.08rem; line-height: 1.85; }
.inline-read { margin-top: 1.25rem; padding: 0; border: 0; background: transparent; color: var(--cyan); font-size: .76rem; font-weight: 800; cursor: pointer; }
.lens-grid { margin-top: 6rem; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.lens { min-height: 300px; padding: clamp(2rem, 4vw, 4rem); position: relative; overflow: hidden; }
.lens + .lens { border-left: 1px solid var(--line); }
.lens:after { content: ""; position: absolute; width: 230px; height: 230px; border-radius: 50%; right: -80px; bottom: -100px; border: 1px solid currentColor; opacity: .13; box-shadow: 0 0 0 28px currentColor, 0 0 0 57px var(--paper), 0 0 0 58px currentColor; }
.lens.caution-lens:after { border-radius: 0; transform: rotate(35deg); }
.mini-label { margin: 0 0 2rem; color: var(--red); font-size: .63rem; font-weight: 850; letter-spacing: .18em; }
.lens h3 { margin: 0 0 1rem; font: 600 clamp(1.3rem, 2.1vw, 2rem)/1.35 var(--display-font); }
.lens p:last-child { max-width: 530px; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 1.2rem 2.3rem; margin-top: 2rem; font-size: .7rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: .5rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.fact { background: var(--cyan); }.dot.frame { background: #a67d2c; }.dot.debate { background: var(--red); }.dot.forecast { border: 1px solid var(--ink); }

.argument-map { color: #eee7da; background: var(--night); position: relative; overflow: hidden; }
.argument-map:before { content: ""; position: absolute; inset: 0; opacity: .15; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 55px 55px; mask-image: linear-gradient(to bottom, transparent, #000, transparent); }
.inverse .lead, .split-heading.inverse .lead { color: rgba(255,255,255,.57); }
.map-stage { margin: 5rem 0 2rem; min-height: 420px; border: 1px solid rgba(255,255,255,.1); background: radial-gradient(circle at 70% 35%, rgba(51,153,163,.12), transparent 35%), radial-gradient(circle at 22% 60%, rgba(224,70,47,.11), transparent 32%); display: grid; place-items: center; }
.map-path { fill: none; stroke-width: 1.4; }
.ghost-path { stroke: rgba(255,255,255,.16); stroke-width: 9; }
.live-path { stroke: url(#lineGradient); stroke-dasharray: 12 8; filter: url(#glow); animation: dash 20s linear infinite; }
.map-node circle { fill: #121719; stroke: #d7b988; stroke-width: 1; }
.map-node text { fill: #eee7da; font-size: 14px; font-weight: 700; text-anchor: middle; }
.map-node.final circle { stroke: var(--cyan-bright); fill: #132326; }
.map-mobile { display: none; }
.argument-steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.14); }
.argument-steps article { padding: 2.2rem 2rem 1rem 0; }
.argument-steps article + article { border-left: 1px solid rgba(255,255,255,.14); padding-left: 2rem; }
.argument-steps b { color: var(--red); font: 400 1.5rem var(--display-font); }
.argument-steps h3 { margin: .8rem 0 .6rem; font: 600 1.15rem var(--display-font); }
.argument-steps p { margin: 0; color: rgba(255,255,255,.48); font-size: .84rem; }

.book-section { position: relative; }
.sapiens { background: var(--paper); }
.deus { --ink: #f0e9dd; --muted: #9fa7a6; --line: rgba(255,255,255,.14); color: var(--ink); background: #142022; }
.lessons { background: var(--paper-2); }
.nexus { background: #d9e4e1; color: #142023; }
html[data-theme="night"] .nexus { background: #172527; color: #e6eeec; --muted: #a6b5b3; --line: rgba(255,255,255,.14); }
html[data-theme="focus"] .nexus { background: #eee; color: #111; }
.book-layout { display: grid; grid-template-columns: 215px minmax(0, 820px); gap: clamp(3rem, 8vw, 9rem); justify-content: center; }
.book-index { position: sticky; top: 120px; align-self: start; height: fit-content; }
.book-index > p { margin: 0 0 .5rem; color: var(--red); font-size: .62rem; letter-spacing: .2em; font-weight: 800; }
.book-index strong { display: block; font: 500 1.55rem var(--display-font); letter-spacing: -.02em; }
.book-index > span { display: block; margin-top: .35rem; color: var(--muted); font-size: .68rem; }
.book-line { width: 100%; height: 1px; background: var(--line); margin-top: 1.5rem; }
.book-question { margin: 0 0 1.4rem; color: var(--red); font-size: .77rem; font-weight: 780; }
.book-content > h2 { margin: 0; font: 400 clamp(2.7rem, 5.6vw, 5.5rem)/1.14 var(--editorial-font); letter-spacing: -.05em; }
.book-content > h2 em { color: var(--cyan); font-weight: 400; }
.deus .book-content > h2 em { color: var(--cyan-bright); }
.chapter-intro { margin: 2.5rem 0 5rem; max-width: 740px; color: var(--muted); font-size: 1.08rem; }
.fn { color: var(--red); text-decoration: none; font-size: .7em; vertical-align: super; font-weight: 800; margin-left: .1em; }
.deep-card { margin: 0 0 3rem; padding: clamp(1.8rem, 4vw, 3.5rem); border: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 78%, transparent); box-shadow: 0 20px 60px rgba(28,20,8,.04); }
.deep-card.compact { padding-block: 2.7rem; }
.deus .deep-card { background: rgba(255,255,255,.025); }
.nexus .deep-card { background: rgba(255,255,255,.28); }
.card-head { display: flex; align-items: flex-start; gap: 1.3rem; margin-bottom: 2rem; }
.number { font: italic 400 2.6rem/1 var(--display-font); color: var(--red); }
.type { margin: 0 0 .3rem; font-size: .57rem; letter-spacing: .16em; font-weight: 850; text-transform: uppercase; }
.fact-type { color: var(--cyan); }.frame-type { color: #8c6a21; }.debate-type { color: var(--red); }.forecast-type { color: #858b8c; }
.deus .frame-type { color: #deb365; }.deus .fact-type { color: var(--cyan-bright); }
.card-head h3 { margin: 0; font: 600 clamp(1.45rem, 2.5vw, 2.3rem)/1.3 var(--display-font); letter-spacing: -.025em; }
.deep-card > p { color: var(--muted); }
.deep-card > .thesis { color: var(--ink); text-transform: uppercase; font-size: .62rem; letter-spacing: .15em; font-weight: 850; margin-bottom: .4rem; }
.logic-chain, .feedback-loop { display: flex; align-items: center; justify-content: center; gap: .6rem; margin: 2.5rem 0; padding: 1.2rem; background: var(--ink); color: var(--paper); font-size: .75rem; font-weight: 750; }
.logic-chain i, .feedback-loop i { color: var(--red); font-style: normal; }
.two-views { display: grid; grid-template-columns: 1fr 1fr; gap: 1.7rem; margin-top: 2.5rem; }
.two-views > div { padding: 1.5rem 0 0; border-top: 2px solid var(--cyan); }
.two-views > div + div { border-color: var(--red); }
.two-views h4 { margin: 0 0 .7rem; font-size: .82rem; }
.two-views p { margin: 0; color: var(--muted); font-size: .87rem; }
dfn { color: var(--cyan); text-decoration: underline dotted; text-underline-offset: 4px; font-style: normal; cursor: help; }
.verdict { margin: 2rem 0 0 !important; padding: 1.2rem 1.4rem; border-left: 3px solid var(--red); background: color-mix(in srgb, var(--ink) 5%, transparent); font-size: .86rem; }
.verdict span { display: block; color: var(--red); font-size: .61rem; font-weight: 850; letter-spacing: .15em; margin-bottom: .3rem; }
.axis-chart { margin-top: 2.5rem; padding: 2rem; border: 1px solid var(--line); }
.axis-labels, .axis-row { display: grid; grid-template-columns: 100px 1fr 1fr; gap: .8rem; align-items: center; }
.axis-labels { padding-left: 100px; grid-template-columns: 1fr 1fr; color: var(--muted); font-size: .65rem; text-align: center; }
.axis-row { margin: .8rem 0; }
.axis-row b { font-size: .7rem; }
.bar { display: block; width: var(--w); min-width: 90px; padding: .45rem .7rem; background: var(--cyan); color: #fff; white-space: nowrap; font-size: .6rem; line-height: 1; }
.bar.personal { background: #a68a55; }.bar.mixed { background: var(--red); }
.axis-chart small { display: block; margin-top: 1rem; color: var(--muted); font-size: .59rem; }
.symbol-system { display: grid; grid-template-columns: repeat(3, 1fr); position: relative; margin-top: 2rem; text-align: center; }
.symbol-system div { padding: 1.5rem .5rem; border: 1px solid var(--line); }
.symbol-system div + div { border-left: 0; }
.symbol-system div span { display: block; color: var(--red); font-size: 1.7rem; }
.symbol-system div b, .symbol-system div small { display: block; }
.symbol-system div small { color: var(--muted); font-size: .65rem; }
.symbol-system i { position: absolute; left: 50%; bottom: -30px; height: 30px; width: 1px; background: var(--red); }
.symbol-system > strong { grid-column: 1/-1; margin-top: 30px; padding: .65rem; border: 1px solid var(--red); color: var(--red); font-size: .72rem; }
blockquote { margin: 5rem 0 2rem; padding: 3.5rem 0; border-block: 1px solid var(--line); }
blockquote p { margin: 0; font: 400 clamp(2.1rem, 4.5vw, 4.3rem)/1.3 var(--editorial-font); letter-spacing: -.04em; }
blockquote footer { margin-top: 1.3rem; color: var(--muted); font-size: .66rem; }
.closing { color: var(--muted); }

.authority-shift { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 1rem; margin: 2.5rem 0; }
.authority-shift > div { border: 1px solid var(--line); padding: 1.5rem; }
.authority-shift > i { align-self: center; color: var(--red); font-style: normal; }
.authority-shift small, .authority-shift b, .authority-shift span { display: block; }
.authority-shift small { color: var(--muted); font-size: .6rem; }.authority-shift b { margin: .4rem 0; font: 600 1rem var(--display-font); }.authority-shift span { color: var(--muted); font-size: .65rem; }
.authority-shift .hot { border-color: var(--cyan-bright); box-shadow: inset 0 0 25px rgba(112,210,215,.06); }
.bio-loop { margin: 2rem 0; }
.bio-loop path { stroke: var(--cyan-bright); stroke-width: 1.2; stroke-dasharray: 7 5; animation: dash 16s linear infinite; }
.bio-loop circle { fill: var(--night-2); stroke: var(--red); }
.bio-loop text { text-anchor: middle; fill: var(--ink); font-size: 13px; font-weight: 700; }
.scenario-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: .7rem; align-items: center; margin: 2.5rem 0; }
.scenario-grid > div { min-height: 90px; padding: 1rem; display: flex; flex-direction: column; justify-content: center; border: 1px solid var(--line); }
.scenario-grid > i { color: var(--red); font-style: normal; }.scenario-grid span { color: var(--muted); font-size: .57rem; }.scenario-grid b { font-size: .72rem; }.scenario-grid .risk { border-color: var(--red); }

.threat-matrix { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 3rem; border: 1px solid var(--line); }
.threat-matrix article { padding: 2rem; min-height: 230px; }
.threat-matrix article:nth-child(even) { border-left: 1px solid var(--line); }
.threat-matrix article:nth-child(n+3) { border-top: 1px solid var(--line); }
.threat-matrix span { color: var(--red); font-size: .6rem; letter-spacing: .16em; font-weight: 850; }
.threat-matrix h3 { margin: .55rem 0; font: 600 1.4rem var(--display-font); }
.threat-matrix p { color: var(--muted); font-size: .84rem; }.threat-matrix b { display: block; margin-top: 1.2rem; color: var(--cyan); font-size: .67rem; }

.naive-chart { height: 330px; margin: 2.5rem 0; padding: 1.5rem 1.5rem 2.8rem 2.8rem; position: relative; border: 1px solid var(--line); }
.chart-y { position: absolute; left: .6rem; top: 50%; transform: rotate(-90deg) translateX(-50%); transform-origin: left center; font-size: .58rem; color: var(--muted); }.chart-x { position: absolute; right: 1rem; bottom: .4rem; font-size: .58rem; color: var(--muted); }
.naive-chart svg { height: 100%; width: 100%; overflow: visible; }
.naive-chart .grid { fill: none; stroke: var(--line); stroke-width: 1; }.naive-chart .naive-line { fill: none; stroke: var(--red); stroke-width: 2; stroke-dasharray: 8 7; }.naive-chart .real-line { fill: none; stroke: var(--cyan); stroke-width: 4; }.naive-chart text { fill: var(--muted); font-size: 12px; }
.network-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2.5rem 0; }
.network-compare > div { padding: 1.5rem; border: 1px solid var(--line); text-align: center; }
.network-compare p { margin: 0; color: var(--muted); font-size: .62rem; }.network-compare b, .network-compare span { display: block; }.network-compare b { font: 600 .95rem var(--display-font); }.network-compare span { color: var(--muted); font-size: .65rem; }
.network { width: 160px; height: 120px; margin: 1rem auto; position: relative; background: repeating-radial-gradient(circle, transparent 0 25px, var(--line) 26px 27px); }
.network i { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan); }.network i:nth-child(1){left:15%;top:20%}.network i:nth-child(2){left:65%;top:10%}.network i:nth-child(3){left:45%;top:48%}.network i:nth-child(4){left:75%;top:70%}.network i:nth-child(5){left:10%;top:73%}.network i:nth-child(6){left:88%;top:35%}
.ai-network i:nth-child(3), .ai-network i:nth-child(4) { background: var(--red); box-shadow: 0 0 18px var(--red); animation: pulse 2s ease-in-out infinite; }
.architecture-compare { margin-top: 5rem; border-top: 1px solid var(--line); padding-top: 3rem; }.architecture-compare > h3 { font: 600 clamp(1.8rem, 3.5vw, 3rem) var(--display-font); }.architecture-compare > div { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }.architecture-compare article { padding: 2rem; }.architecture-compare article+article { border-left: 1px solid var(--line); }.architecture-compare h4 { margin: 1rem 0 .4rem; }.architecture-compare article p, .architecture-compare > p { color: var(--muted); font-size: .84rem; }.architecture-compare article b, .architecture-compare article small { display: block; font-size: .66rem; }.architecture-compare article b { color: var(--cyan); }
.arch-icon { display: block; width: 100%; height: 110px; position: relative; }.arch-icon:before, .arch-icon:after { content: ""; position: absolute; inset: 10% 15%; background: linear-gradient(35deg, transparent 48%, var(--line) 49% 51%, transparent 52%), linear-gradient(-35deg, transparent 48%, var(--line) 49% 51%, transparent 52%); }.arch-icon i { position: absolute; z-index: 1; width: 14px; height: 14px; border-radius: 50%; background: var(--cyan); }.arch-icon i:nth-child(1){left:10%;top:20%}.arch-icon i:nth-child(2){left:70%;top:10%}.arch-icon i:nth-child(3){left:45%;top:45%}.arch-icon i:nth-child(4){left:80%;top:75%}.arch-icon i:nth-child(5){left:20%;top:73%}.centralized i:not(:nth-child(3)){background:var(--muted)}.centralized i:nth-child(3){width:28px;height:28px;background:var(--red);box-shadow:0 0 30px var(--red)}

.evolution { background: var(--paper); }
.table-wrap { margin-top: 5rem; overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; min-width: 900px; border-collapse: collapse; text-align: left; }
th, td { padding: 1.35rem; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); vertical-align: top; }
tr:last-child th, tr:last-child td { border-bottom: 0; } th:last-child, td:last-child { border-right: 0; }
thead th { background: var(--ink); color: var(--paper); font-size: .68rem; letter-spacing: .07em; }
tbody th { width: 120px; color: var(--red); font-size: .68rem; }
tbody td { color: var(--muted); font-size: .8rem; }

.critique { background: #171310; color: #eae2d6; }
.critique .split-heading h2 em { color: #f26047; }
.critique-stack { margin-top: 6rem; border-top: 1px solid rgba(255,255,255,.16); }
.critique-stack article { display: grid; grid-template-columns: 130px 1fr; gap: 1rem; padding: 3rem 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.critique-no { font: italic 400 5rem/1 var(--display-font); color: var(--red); }
.critique-stack .mini-label { margin-bottom: .4rem; }
.critique-stack h3 { margin: 0 0 1.2rem; font: 500 clamp(1.7rem, 3.3vw, 3rem) var(--display-font); }
.critique-stack p { margin: .6rem 0; color: rgba(255,255,255,.57); max-width: 820px; }
.critique-stack p strong { color: #eee; }
.reading-rule { display: grid; grid-template-columns: 130px 1fr; gap: 1rem; margin-top: 5rem; align-items: start; }
.reading-rule span { color: var(--red); font-size: .65rem; letter-spacing: .15em; font-weight: 800; }.reading-rule p { margin: 0; max-width: 900px; font: 400 clamp(2rem, 4vw, 4rem)/1.36 var(--editorial-font); }

.judgment { background: var(--paper-2); }
.judgment .lead { margin-top: 1.5rem; }
.rating-list { margin-top: 4rem; border-top: 1px solid var(--line); }
.rating-list label { display: grid; grid-template-columns: minmax(250px, 1fr) minmax(240px, .8fr) 52px; align-items: center; gap: 2rem; min-height: 120px; border-bottom: 1px solid var(--line); cursor: pointer; }
.rating-list label > span { font: 600 1.05rem/1.5 var(--display-font); }.rating-list output { color: var(--red); font: italic 400 1.6rem var(--display-font); text-align: right; }
input[type="range"] { appearance: none; width: 100%; height: 3px; background: linear-gradient(90deg, var(--red) var(--range, 50%), var(--line) var(--range, 50%)); cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--paper); border: 2px solid var(--red); }.scale-label { display: flex; justify-content: space-between; margin: .7rem 72px 0 calc(50% + 1rem); color: var(--muted); font-size: .58rem; }

.takeaway { background: var(--red); color: #fff; text-align: center; }
.takeaway .kicker { color: rgba(255,255,255,.7); }.takeaway h2 { font-size: .73rem; letter-spacing: .16em; text-transform: uppercase; }.big-question { margin: 3rem auto; font: 400 clamp(3rem, 7vw, 7rem)/1.18 var(--editorial-font); letter-spacing: -.055em; }.big-question em { color: #1b1814; }.takeaway .wrap > p:last-child { max-width: 710px; margin: 0 auto; color: rgba(255,255,255,.78); }

.sources { background: var(--paper); }
.source-list { list-style: none; padding: 0; margin: 5rem 0 0; border-top: 1px solid var(--line); }
.source-list li { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.source-list li > span { color: var(--red); font-size: .63rem; font-weight: 800; letter-spacing: .08em; }.source-list a { font: 600 1.25rem/1.45 var(--display-font); text-underline-offset: 4px; }.source-list p { margin: .45rem 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }.source-note { margin-top: 2rem; color: var(--muted); font-size: .68rem; }
.footer { background: #0f1010; color: #eee; padding: 4rem 0 calc(4rem + var(--reader-height)); }.footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }.footer p { color: rgba(255,255,255,.45); font-size: .72rem; }.footer > .wrap > a:last-child { font-size: .7rem; }

.reader { --player-text: #eee; position: fixed; z-index: 90; left: 50%; bottom: 20px; transform: translate(-50%, 140%); width: min(680px, calc(100vw - 32px)); min-height: 72px; display: grid; grid-template-columns: 52px 1fr auto auto; align-items: center; gap: 1rem; padding: .7rem 1rem; color: var(--player-text); background: rgba(12,15,16,.94); border: 1px solid rgba(255,255,255,.18); box-shadow: 0 20px 60px rgba(0,0,0,.35); backdrop-filter: blur(18px); transition: transform .4s ease; }
.reader.active { transform: translate(-50%, 0); }.reader-progress { position: absolute; top: 0; left: 0; right: 0; height: 2px; background: rgba(255,255,255,.12); }.reader-progress span { display:block; height:100%; width:0; background:var(--red); transition:width .2s; }.reader button { color: inherit; cursor: pointer; }.reader-play { width: 42px; height: 42px; border-radius: 50%; border: 0; background: var(--red); }.reader-copy { min-width: 0; }.reader-copy small, .reader-copy strong { display:block; }.reader-copy small { color: #e5ad76; font-size:.52rem; letter-spacing:.15em; }.reader-copy strong { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:.75rem; }.speed-control { display:flex; align-items:center; gap:.4rem; color:rgba(255,255,255,.5); font-size:.62rem; }.speed-control select { border:0; color:#fff; background:transparent; }.reader-stop { border:0; background:transparent; font-size:.65rem; opacity:.65; }

.settings-backdrop { position: fixed; z-index: 109; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(3px); }
.settings { position: fixed; z-index: 110; top: 0; right: 0; width: min(440px, 100%); height: 100dvh; padding: 2rem; overflow-y: auto; color: var(--ink); background: var(--paper); box-shadow: -30px 0 80px rgba(0,0,0,.2); }
.settings-head { display:flex; align-items:start; justify-content:space-between; padding-bottom:2rem; border-bottom:1px solid var(--line); }.settings-head small { font-size:.55rem; letter-spacing:.16em; color:var(--red); }.settings-head h2 { margin:.2rem 0; font:500 2.2rem var(--display-font); }.settings-close { font-size:1.5rem; border:0; }.setting-group { padding:2rem 0; border-bottom:1px solid var(--line); }.setting-group h3 { margin:0 0 1rem; font-size:.7rem; letter-spacing:.1em; }.setting-group p { margin:.6rem 0 0; color:var(--muted); font-size:.65rem; }.theme-options { display:grid; grid-template-columns:repeat(3,1fr); gap:.5rem; }.theme-options button, .segmented button { border:1px solid var(--line); background:transparent; color:var(--ink); padding:.7rem .4rem; cursor:pointer; font-size:.67rem; }.theme-options button.active, .segmented button.active { border-color:var(--red); color:var(--red); }.swatch { display:block; width:100%; height:38px; margin-bottom:.5rem; border:1px solid var(--line); }.swatch.archive { background:linear-gradient(135deg,#eee6d7 50%,#e0462f 51%); }.swatch.night { background:linear-gradient(135deg,#111719 50%,#57bec7 51%); }.swatch.focus { background:linear-gradient(135deg,#fff 50%,#111 51%); }.font-stepper { display:grid; grid-template-columns:48px 1fr 48px; align-items:center; text-align:center; border:1px solid var(--line); }.font-stepper button { height:48px; border:0; background:transparent; color:var(--ink); cursor:pointer; }.font-stepper output { font:500 1rem var(--display-font); }.segmented { display:grid; grid-template-columns:1fr 1fr; }.setting-group select { width:100%; border:1px solid var(--line); background:var(--paper); color:var(--ink); padding:.8rem; }.reduce-toggle { display:flex; align-items:center; gap:.7rem; padding:2rem 0; font-size:.8rem; }.reduce-toggle input { position:absolute; opacity:0; }.reduce-toggle span { width:40px; height:22px; border-radius:99px; background:var(--line); position:relative; }.reduce-toggle span:after { content:""; position:absolute; width:16px; height:16px; border-radius:50%; background:var(--ink); left:3px; top:3px; transition:transform .2s; }.reduce-toggle input:checked + span { background:var(--red); }.reduce-toggle input:checked + span:after { transform:translateX(18px); background:#fff; }
.voice-status { display:flex; align-items:center; gap:.8rem; margin-bottom:.8rem; padding:.9rem; border:1px solid var(--line); background:color-mix(in srgb, var(--cyan) 7%, transparent); }.voice-status i { flex:0 0 auto; width:10px; height:10px; border-radius:50%; background:var(--muted); box-shadow:0 0 0 5px color-mix(in srgb, var(--muted) 14%, transparent); }.voice-status div { min-width:0; }.voice-status strong,.voice-status span { display:block; }.voice-status strong { font-size:.74rem; }.voice-status span { color:var(--muted); font-size:.61rem; line-height:1.5; }.voice-status[data-kind="google"] { border-color:color-mix(in srgb, var(--cyan) 60%, var(--line)); }.voice-status[data-kind="google"] i { background:var(--cyan); box-shadow:0 0 0 5px color-mix(in srgb, var(--cyan) 16%, transparent),0 0 15px color-mix(in srgb, var(--cyan) 60%, transparent); }
.font-options { display:grid; grid-template-columns:1fr 1fr; gap:.5rem; }
.font-options button { min-height:58px; border:1px solid var(--line); background:transparent; color:var(--ink); padding:.7rem .5rem; cursor:pointer; font-size:.92rem; line-height:1.35; }
.font-options button.active { border-color:var(--red); color:var(--red); background:color-mix(in srgb,var(--red) 6%,transparent); }
.font-options button:first-child { grid-column:1/-1; font-family:"Hangang",sans-serif; }
.font-options [data-font="hangang"] { font-family:"Hangang",sans-serif; }
.font-options [data-font="seoul"] { font-family:"Seoul",sans-serif; }
.font-options [data-font="neo"] { font-family:"NeoDunggeunmo Pro",monospace; }
.font-options [data-font="hbios"] { font-family:"HBIOS-SYS",monospace; }
.term-popover { position: fixed; z-index: 120; max-width: 290px; padding: 1rem; background: var(--ink); color: var(--paper); box-shadow:0 12px 40px rgba(0,0,0,.25); font-size:.72rem; line-height:1.55; }

body[data-font="custom"] { --body-font:"Hangang",sans-serif; --display-font:"Hangang",sans-serif; --editorial-font:"Hangang",sans-serif; --interface-font:"HBIOS-SYS","Hangang",sans-serif; --pixel-font:"NeoDunggeunmo Pro","HBIOS-SYS",monospace; }
body[data-font="hangang"] { --body-font:"Hangang",sans-serif; --display-font:"Hangang",sans-serif; --editorial-font:"Hangang",sans-serif; --interface-font:"Hangang",sans-serif; --pixel-font:"Hangang",sans-serif; }
body[data-font="seoul"] { --body-font:"Seoul",sans-serif; --display-font:"Seoul",sans-serif; --editorial-font:"Seoul",sans-serif; --interface-font:"Seoul",sans-serif; --pixel-font:"Seoul",sans-serif; }
body[data-font="neo"] { --body-font:"NeoDunggeunmo Pro",monospace; --display-font:"NeoDunggeunmo Pro",monospace; --editorial-font:"NeoDunggeunmo Pro",monospace; --interface-font:"NeoDunggeunmo Pro",monospace; --pixel-font:"NeoDunggeunmo Pro",monospace; }
body[data-font="hbios"] { --body-font:"HBIOS-SYS",monospace; --display-font:"HBIOS-SYS",monospace; --editorial-font:"HBIOS-SYS",monospace; --interface-font:"HBIOS-SYS",monospace; --pixel-font:"HBIOS-SYS",monospace; }

.brand,
.topnav,
.settings-open,
.kicker,
.section-label,
.mini-label,
.type,
.book-index > p,
.book-question,
.deep-card > .thesis,
.legend,
.inline-read,
.button,
.reader,
.settings,
.source-list li > span,
thead th,
tbody th { font-family: var(--interface-font); }

.map-node text,
.bio-loop text,
.naive-chart text { font-family: var(--pixel-font); }
body.reduced-motion *, body.reduced-motion *:before, body.reduced-motion *:after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior:auto !important; transition-duration:.001ms !important; }
.speech-active { background: color-mix(in srgb, var(--red) 14%, transparent); outline: 3px solid color-mix(in srgb, var(--red) 35%, transparent); outline-offset: 8px; }

@keyframes hero-in { from { opacity:0; transform:scale(1.035); } to { opacity:1; transform:scale(1); } }
@keyframes scroll-line { 0%{top:-25px} 50%,100%{top:75px} }
@keyframes dash { to { stroke-dashoffset:-300; } }
@keyframes pulse { 50%{ transform:scale(1.45); } }

@media (max-width: 900px) {
  :root { --wrap: min(100% - 36px, 760px); }
  .desktop-only, .topnav { display:none; }
  .topbar { grid-template-columns:1fr auto; padding:0 18px; height:76px; }
  .hero { min-height:840px; align-items:flex-end; padding-bottom:90px; }
  .hero-art { object-position:58% center; }.hero-shade { background:linear-gradient(0deg,rgba(3,4,4,.94) 5%,rgba(3,4,4,.55) 62%,rgba(3,4,4,.3)); }
  .hero-copy { padding-top:120px; }.hero h1 { font-size:clamp(3.05rem,13vw,5.8rem); }.hero-meta { gap:1.3rem; justify-content:space-between; }.hero-meta div { padding-left:.7rem; }.art-caption,.scroll-cue { display:none; }
  .split-heading { grid-template-columns:1fr; gap:2rem; }
  .lens-grid { grid-template-columns:1fr; margin-top:3.5rem; }.lens + .lens { border-left:0; border-top:1px solid var(--line); }
  .argument-steps { grid-template-columns:1fr 1fr; }.argument-steps article:nth-child(3) { border-left:0; }.argument-steps article:nth-child(n+3) { border-top:1px solid rgba(255,255,255,.14); }
  .book-layout { grid-template-columns:1fr; gap:2.5rem; }.book-index { position:static; display:grid; grid-template-columns:1fr auto; align-items:end; }.book-index > p,.book-index > span { grid-column:1 }.book-index .book-line { display:none; }.book-index .inline-read { grid-column:2; grid-row:1/4; margin:0; align-self:center; }.chapter-intro { margin-bottom:3rem; }
  .rating-list label { grid-template-columns:1fr 50px; gap:1rem; padding:1.5rem 0; }.rating-list input { grid-column:1/-1; grid-row:2; }.rating-list output { grid-column:2; grid-row:1; }.scale-label { margin-left:0; margin-right:0; }
}

@media (max-width: 640px) {
  :root { --body-size: 22.5px; }
  .section-pad { padding-block:80px; }
  .hero { min-height:780px; }.hero-copy { padding-bottom:25px; }.hero h1 { font-size:clamp(2.75rem,14vw,4.4rem); }.hero-deck { font-size:.93rem; }.hero-meta { margin-top:2.5rem; }.hero-meta div:nth-child(2){display:none}.hero-meta dd {font-size:.68rem}
  .map-stage { min-height:290px; margin:3rem 0 1rem; }.map-stage svg { display:none; }.map-mobile { display:flex; flex-wrap:wrap; gap:.6rem; list-style:none; padding:1.5rem; margin:0; justify-content:center; }.map-mobile li { border:1px solid rgba(255,255,255,.2); padding:.55rem .75rem; font-size:.7rem; }.map-mobile li+li:before { content:"→"; color:var(--red); margin-right:.9rem; }.argument-steps { grid-template-columns:1fr; }.argument-steps article+article,.argument-steps article:nth-child(3){ border-left:0; border-top:1px solid rgba(255,255,255,.14); padding-left:0; }
  .book-content > h2 { font-size:clamp(2.5rem,12vw,4rem); }.deep-card { padding:1.4rem; margin-bottom:1.5rem; }.card-head { gap:.8rem; }.number {font-size:2rem}.card-head h3{font-size:1.32rem}.two-views {grid-template-columns:1fr}.logic-chain,.feedback-loop {flex-wrap:wrap; justify-content:flex-start}.axis-chart {padding:1rem;overflow:hidden}.axis-labels,.axis-row{grid-template-columns:72px 1fr 1fr;gap:.35rem}.axis-labels{padding-left:72px;grid-template-columns:1fr 1fr}.bar{padding:.4rem;font-size:.52rem}.symbol-system{grid-template-columns:1fr}.symbol-system div+div{border-left:1px solid var(--line);border-top:0}.authority-shift {grid-template-columns:1fr}.authority-shift>i {transform:rotate(90deg);justify-self:center}.scenario-grid {grid-template-columns:1fr}.scenario-grid>i{justify-self:center}.threat-matrix {grid-template-columns:1fr}.threat-matrix article:nth-child(even){border-left:0}.threat-matrix article+article{border-top:1px solid var(--line)}.network-compare,.architecture-compare>div{grid-template-columns:1fr}.architecture-compare article+article{border-left:0;border-top:1px solid var(--line)}
  .critique-stack article {grid-template-columns:58px 1fr;gap:.5rem}.critique-no{font-size:3rem}.reading-rule{grid-template-columns:1fr}.source-list li{grid-template-columns:1fr;gap:.3rem}.footer .wrap{flex-direction:column;align-items:flex-start}.reader{grid-template-columns:44px 1fr auto;gap:.5rem;bottom:8px}.speed-control{display:none}.reader-stop{padding:.5rem}.settings{padding:1.3rem}.theme-options{grid-template-columns:1fr 1fr 1fr}.swatch{height:30px}
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { animation-duration:.001ms !important; animation-iteration-count:1 !important; scroll-behavior:auto !important; }
}

/* 125% readability pass: enlarge body and small interface copy, preserve display titles. */
.scroll-cue,
.type,
.axis-chart small,
.scenario-grid span,
.chart-y,
.chart-x,
.scale-label,
.reader-copy small,
.settings-head small { font-size: .7rem; }

.hero-meta dt,
.art-caption,
.section-label,
.mini-label,
.book-index > p,
.book-index > span,
.deep-card > .thesis,
.verdict span,
.axis-labels,
.bar,
.symbol-system div small,
blockquote footer,
.authority-shift small,
.authority-shift span,
.threat-matrix span,
.threat-matrix b,
.network-compare p,
.network-compare span,
.architecture-compare article b,
.architecture-compare article small,
thead th,
tbody th,
.reading-rule span,
.source-list li > span,
.source-note,
.speed-control,
.reader-stop,
.setting-group p,
.theme-options button,
.segmented button,
.voice-status span { font-size: .8rem; }

.brand,
.topnav,
.settings-open,
.kicker,
.inline-read,
.legend,
.book-question,
.logic-chain,
.feedback-loop,
.axis-row b,
.symbol-system > strong,
.scenario-grid b,
.takeaway h2,
.footer p,
.footer > .wrap > a:last-child,
.reader-copy strong,
.setting-group h3,
.voice-status strong,
.term-popover,
.map-mobile li { font-size: .92rem; }

.button,
.hero-meta dd,
.argument-steps p,
.two-views h4,
.two-views p,
.verdict,
.threat-matrix p,
.architecture-compare article p,
.architecture-compare > p,
tbody td,
.reduce-toggle { font-size: 1.04rem; }