:root {
  --ink: #1a1d24;
  --muted: #5d6b86;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f2f5fa;
  --line: #e4e1d9;
  --navy: #0d1726;
  --navy-2: #0b2b52;
  --blue: #1b41b9;
  --blue-2: #3661ea;
  --cyan: #29afe6;
  --green: #28c58b;
  --orange: #e85d55;
  --gold: #f2b94b;
  --purple: #3661ea;
  --shadow: 0 24px 70px rgba(16, 39, 74, .12);
  --shadow-soft: 0 12px 32px rgba(16, 39, 74, .08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 15px;
  --font-sans: Pretendard, SUIT, "Noto Sans KR", "Apple SD Gothic Neo", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif KR", "Nanum Myeongjo", Georgia, serif;
  --content: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.82;
  letter-spacing: -.012em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
::selection { background: rgba(28,70,201,.18); }

.skip-link {
  position: fixed; left: 18px; top: -80px; z-index: 999;
  padding: 10px 16px; background: #fff; color: var(--blue); border-radius: 10px;
  box-shadow: var(--shadow-soft); font-weight: 750;
}
.skip-link:focus { top: 18px; }

.reading-progress {
  position: fixed; left: 0; top: 0; z-index: 1000; width: 100%; height: 3px;
  background: transparent;
}
.reading-progress > span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--orange)); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.10);
  background: rgba(7,24,47,.92);
  backdrop-filter: blur(18px);
  color: #fff;
}
.site-header .inner {
  width: min(1380px, calc(100% - 42px)); margin: 0 auto; min-height: 68px;
  display: flex; align-items: center; gap: 30px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 850; letter-spacing: -.04em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, #3661ea, #29afe6); box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
  font-size: 13px; letter-spacing: -.08em;
}
.brand-copy { line-height: 1.05; }
.brand-copy b { display: block; font-size: 18px; }
.brand-copy small { opacity: .62; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.site-nav a {
  padding: 9px 12px; border-radius: 10px; color: rgba(255,255,255,.76); font-size: 14px; font-weight: 650;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { background: rgba(255,255,255,.09); color: #fff; }
.menu-toggle { display: none; margin-left: auto; border: 0; background: rgba(255,255,255,.08); color: #fff; border-radius: 10px; padding: 9px 12px; }

.hero {
  position: relative; min-height: 620px; color: #fff; overflow: hidden; isolation: isolate;
  background: var(--navy);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -3;
  background-image: var(--hero-image); background-position: center; background-size: cover;
  transform: scale(1.01);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(90deg, rgba(5,17,34,.94) 0%, rgba(5,17,34,.76) 48%, rgba(5,17,34,.24) 100%),
              linear-gradient(0deg, rgba(5,17,34,.80) 0%, rgba(5,17,34,0) 55%);
}
.hero-grid {
  width: min(1320px, calc(100% - 48px)); min-height: 620px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 780px) 1fr; align-items: center; gap: 60px; padding: 80px 0 70px;
}
.hero-copy { padding-top: 20px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px;
  font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.75);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent, var(--cyan)); border-radius: 3px; }
.hero h1 {
  margin: 0 0 24px; max-width: 850px; font-size: clamp(42px, 5vw, 76px); line-height: 1.08; letter-spacing: -.055em;
  text-wrap: balance;
}
.hero .dek { max-width: 720px; margin: 0; font-size: clamp(18px, 1.7vw, 23px); line-height: 1.72; color: rgba(255,255,255,.82); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 16px 26px; margin-top: 34px; color: rgba(255,255,255,.66); font-size: 14px; }
.hero-meta strong { color: #fff; font-weight: 700; }
.hero-note {
  align-self: end; justify-self: end; width: min(360px,100%); padding: 22px 24px;
  border: 1px solid rgba(255,255,255,.16); border-radius: 20px; background: rgba(6,25,48,.60); backdrop-filter: blur(14px);
  box-shadow: 0 18px 50px rgba(0,0,0,.20); font-size: 14px; line-height: 1.72; color: rgba(255,255,255,.75);
}
.hero-note b { display: block; margin-bottom: 6px; color: #fff; font-size: 16px; }

.series-strip { background: #fff; border-bottom: 1px solid var(--line); }
.series-strip .inner {
  width: min(1180px, calc(100% - 42px)); margin: 0 auto; padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 14px;
}
.series-strip .trail { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.series-strip .trail span { color: #97a4b6; }
.series-strip .next-mini { color: var(--blue); font-weight: 750; }

.article-layout {
  width: min(1240px, calc(100% - 42px)); margin: 0 auto; padding: 74px 0 120px;
  display: grid; grid-template-columns: 210px minmax(0, var(--content)) 1fr; gap: 52px;
  align-items: start;
}
.article-toc { position: sticky; top: 102px; font-size: 13px; line-height: 1.45; }
.article-toc b { display: block; margin-bottom: 14px; color: var(--ink); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.article-toc a { display: block; padding: 8px 0 8px 14px; border-left: 2px solid var(--line); color: #7b899b; }
.article-toc a:hover, .article-toc a.active { color: var(--blue); border-color: var(--blue); }
.article-side-note { position: sticky; top: 102px; }
.side-card {
  padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.72); box-shadow: var(--shadow-soft);
  font-size: 13px; line-height: 1.65; color: var(--muted);
}
.side-card b { display: block; color: var(--ink); margin-bottom: 8px; }
.side-card + .side-card { margin-top: 14px; }

.article-body { min-width: 0; }
.article-body > p:first-of-type::first-letter {
  float: left; margin: .12em .12em 0 0; font-family: var(--font-serif); font-size: 4.2em; line-height: .75; color: var(--accent, var(--blue));
}
.article-body p { margin: 0 0 1.45em; }
.article-body h2 {
  scroll-margin-top: 105px; margin: 3.4em 0 .8em; font-size: clamp(30px, 3vw, 42px); line-height: 1.23; letter-spacing: -.045em; text-wrap: balance;
}
.article-body h3 { scroll-margin-top: 105px; margin: 2.5em 0 .7em; font-size: 24px; line-height: 1.35; letter-spacing: -.03em; }
.article-body strong { font-weight: 800; }
.article-body em { font-style: normal; color: var(--blue); font-weight: 700; }
.article-body a.inline-link { color: var(--blue); border-bottom: 1px solid rgba(28,70,201,.30); }
.article-body hr { border: 0; border-top: 1px solid var(--line); margin: 70px 0; }

.lead {
  margin: 0 0 48px !important; padding: 0 0 34px; border-bottom: 1px solid var(--line);
  font-size: 22px; line-height: 1.72; color: #3a4150; letter-spacing: -.022em;
}
.pullquote {
  margin: 60px -36px; padding: 34px 42px; border-left: 5px solid var(--accent, var(--blue));
  background: linear-gradient(90deg, rgba(28,70,201,.08), rgba(28,70,201,.015)); border-radius: 0 18px 18px 0;
  font-family: var(--font-serif); font-size: 28px; line-height: 1.55; letter-spacing: -.035em; color: #18304e;
}
.pullquote cite { display: block; margin-top: 14px; font-family: var(--font-sans); font-style: normal; font-size: 13px; color: var(--muted); }

.kicker {
  display: inline-block; margin-bottom: 12px; color: var(--accent, var(--blue)); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase;
}
.callout {
  margin: 42px 0; padding: 26px 28px; border: 1px solid rgba(28,70,201,.18); border-radius: 18px; background: rgba(255,255,255,.82); box-shadow: var(--shadow-soft);
}
.callout h3 { margin: 0 0 10px; font-size: 19px; }
.callout p:last-child { margin-bottom: 0; }
.callout.warning { border-color: rgba(232,93,85,.25); background: rgba(255,248,244,.9); }
.callout.green { border-color: rgba(63,143,90,.25); background: rgba(246,252,247,.9); }

.visual {
  margin: 56px -42px; border: 1px solid #e4e1d9; border-radius: 26px; background: #fff; overflow: hidden; box-shadow: var(--shadow);
}
.visual .canvas { padding: 34px; background: linear-gradient(145deg, #f9fbfe, #eff4fa); }
.visual .canvas.dark { background: linear-gradient(145deg, #0d1726, #0d2a50); color: #fff; }
.visual figcaption { padding: 18px 26px 20px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.65; color: var(--muted); background: #fff; }
.visual figcaption b { color: var(--ink); }
.visual img { width: 100%; }

.flowline { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0,1fr)); gap: 34px; align-items: stretch; }
.flow-node {
  position: relative; min-height: 132px; padding: 20px; border: 1px solid #e4e1d9; border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: 0 9px 24px rgba(27,55,91,.07);
}
.flow-node:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -34px; width: 34px; height: 2px; background: #9cb0c8;
}
.flow-node:not(:last-child)::before {
  content: ""; position: absolute; top: calc(50% - 5px); right: -34px; border-left: 8px solid #9cb0c8; border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}
.flow-node .num { display: grid; place-items: center; width: 28px; height: 28px; margin-bottom: 14px; border-radius: 9px; background: var(--accent, var(--blue)); color: #fff; font-size: 12px; font-weight: 850; }
.flow-node b { display: block; margin-bottom: 7px; font-size: 16px; line-height: 1.35; }
.flow-node span { display: block; font-size: 13px; line-height: 1.55; color: var(--muted); }
.dark .flow-node { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); box-shadow: none; }
.dark .flow-node span { color: rgba(255,255,255,.63); }
.dark .flow-node:not(:last-child)::after { background: rgba(255,255,255,.28); }
.dark .flow-node:not(:last-child)::before { border-left-color: rgba(255,255,255,.34); }

.before-after { display: grid; grid-template-columns: 1fr 72px 1fr; gap: 18px; align-items: center; }
.compare-panel { padding: 26px; border: 1px solid #e4e1d9; border-radius: 20px; background: #fff; min-height: 300px; }
.compare-panel.bad { background: #fcf8f6; border-color: #eeddd5; }
.compare-panel.good { background: #f5faf7; border-color: #d7e9dc; }
.compare-panel h4 { margin: 0 0 20px; font-size: 19px; }
.compare-arrow { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: var(--accent, var(--blue)); color: #fff; font-size: 24px; font-weight: 900; }
.mini-stack { display: grid; gap: 10px; }
.mini-item { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 10px 12px; border: 1px solid rgba(25,54,91,.10); border-radius: 12px; background: rgba(255,255,255,.86); font-size: 13px; color: #415169; }
.mini-item::before { content: ""; flex: 0 0 auto; width: 10px; height: 10px; border-radius: 3px; background: var(--dot, #9daabd); }
.bad .mini-item:nth-child(2n)::before { --dot: var(--orange); }
.good .mini-item::before { --dot: var(--green); }

.object-sheet { display: grid; grid-template-columns: 1fr 1.25fr; gap: 28px; align-items: stretch; }
.object-visual {
  position: relative; min-height: 390px; border-radius: 22px; overflow: hidden;
  background: linear-gradient(145deg, #0a2344, #1b41b9); box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.object-visual .halo { position: absolute; inset: 18% 12%; border-radius: 50%; background: radial-gradient(circle, rgba(66,188,227,.24), transparent 66%); }
.object-visual .object-icon { position: absolute; inset: 0; display: grid; place-items: center; font-size: 100px; filter: grayscale(1); opacity: .88; }
.object-properties { border: 1px solid var(--line); border-radius: 22px; background: #fff; overflow: hidden; }
.object-properties header { padding: 22px 24px; background: #edf3fb; border-bottom: 1px solid var(--line); }
.object-properties header b { display: block; font-size: 18px; }
.object-properties header span { font-size: 12px; color: var(--muted); }
.prop-row { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 12px 22px; border-bottom: 1px solid #edf1f6; font-size: 13px; }
.prop-row:last-child { border-bottom: 0; }
.prop-row span:first-child { color: var(--muted); }
.prop-row span:last-child { font-weight: 700; color: #263950; }

.impact-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.impact-center { grid-column: 2; grid-row: 2; display: grid; place-items: center; min-height: 150px; padding: 20px; border-radius: 50%; background: linear-gradient(145deg, var(--accent, var(--blue)), #1b41b9); color: #fff; text-align: center; box-shadow: 0 18px 40px rgba(27,65,185,.24); }
.impact-center b { display: block; font-size: 18px; }
.impact-center span { font-size: 12px; opacity: .76; }
.impact-node { min-height: 118px; padding: 18px; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 8px 22px rgba(23,53,91,.06); }
.impact-node b { display: block; font-size: 14px; margin-bottom: 6px; }
.impact-node span { display: block; font-size: 12px; color: var(--muted); line-height: 1.5; }
.impact-node:nth-child(1) { grid-column: 1; grid-row: 1; }
.impact-node:nth-child(2) { grid-column: 2; grid-row: 1; }
.impact-node:nth-child(3) { grid-column: 3; grid-row: 1; }
.impact-node:nth-child(5) { grid-column: 1; grid-row: 3; }
.impact-node:nth-child(6) { grid-column: 2; grid-row: 3; }
.impact-node:nth-child(7) { grid-column: 3; grid-row: 3; }
.impact-node:nth-child(8) { grid-column: 1; grid-row: 2; }
.impact-node:nth-child(9) { grid-column: 3; grid-row: 2; }

.role-split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.role-card { padding: 26px; border-radius: 20px; border: 1px solid var(--line); background: #fff; }
.role-card.engine { border-top: 5px solid var(--green); }
.role-card.ai { border-top: 5px solid var(--blue); }
.role-card h4 { margin: 0 0 8px; font-size: 19px; }
.role-card p { margin: 0 0 18px; font-size: 13px; color: var(--muted); }
.role-list { display: grid; gap: 10px; }
.role-list span { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: #f5f7fa; font-size: 13px; line-height: 1.5; }
.role-list span::before { content: ""; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: currentColor; opacity: .55; }

.domain-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.domain-card { padding: 18px 14px; min-height: 180px; border-radius: 17px; border: 1px solid var(--line); background: #fff; }
.domain-card b { display: block; margin-bottom: 13px; font-size: 15px; }
.domain-card span { display: block; padding: 6px 0; border-top: 1px solid #edf1f6; font-size: 11px; color: var(--muted); }
.domain-card span:first-of-type { border-top: 0; }
.domain-kernel { margin-top: 20px; padding: 22px; border-radius: 18px; color: #fff; background: linear-gradient(90deg, #0c2d55, #1b41b9); }
.domain-kernel b { display: block; margin-bottom: 12px; }
.kernel-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.kernel-tags span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; font-size: 11px; background: rgba(255,255,255,.07); }

.layer-stack { position: relative; min-height: 430px; display: grid; place-items: center; }
.layer-stack .core { position: absolute; width: 78px; height: 360px; border-radius: 28px; background: linear-gradient(180deg, rgba(66,188,227,.85), rgba(28,70,201,.75)); box-shadow: 0 18px 45px rgba(28,70,201,.24); }
.layer { position: absolute; width: calc(72% - var(--i)*7%); height: 64px; bottom: calc(40px + var(--i)*64px); transform: skewX(-18deg); border-radius: 13px; border: 1px solid rgba(255,255,255,.18); background: linear-gradient(90deg, rgba(13,49,91,.94), rgba(27,79,129,.90)); box-shadow: 0 14px 30px rgba(4,19,38,.18); }
.layer span { display: block; transform: skewX(18deg); padding: 18px 28px; color: #fff; font-size: 13px; font-weight: 700; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(var(--cols,6),1fr); gap: 22px; padding-top: 42px; }
.timeline::before { content: ""; position: absolute; top: 24px; left: 5%; right: 5%; height: 3px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--gold)); border-radius: 3px; }
.time-step { position: relative; padding: 20px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; min-height: 154px; }
.time-step::before { content: ""; position: absolute; top: -28px; left: 50%; width: 15px; height: 15px; transform: translateX(-50%); border-radius: 50%; background: var(--accent, var(--blue)); border: 4px solid #edf3fb; }
.time-step b { display: block; font-size: 14px; margin-bottom: 8px; }
.time-step span { display: block; font-size: 11px; line-height: 1.5; color: var(--muted); }

.evidence-ui { border-radius: 22px; overflow: hidden; background: #0d1726; color: #fff; box-shadow: 0 20px 50px rgba(4,21,42,.28); }
.evidence-ui .ui-top { display: flex; align-items: center; gap: 8px; height: 48px; padding: 0 18px; background: #0d1726; border-bottom: 1px solid rgba(255,255,255,.10); }
.ui-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.22); }
.evidence-ui .ui-body { display: grid; grid-template-columns: 1fr 1.25fr; min-height: 390px; }
.ui-viewer { position: relative; padding: 24px; background: linear-gradient(145deg, #0b274b, #102f56); }
.ui-viewer .drawing { height: 100%; border: 1px solid rgba(83,191,229,.25); border-radius: 15px; background-image: linear-gradient(rgba(111,163,218,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(111,163,218,.08) 1px, transparent 1px); background-size: 28px 28px; }
.ui-viewer .highlight { position: absolute; left: 34%; top: 38%; width: 32%; height: 22%; border: 3px solid var(--orange); border-radius: 10px; box-shadow: 0 0 0 10px rgba(232,93,85,.10); }
.ui-panel { padding: 28px; background: #fff; color: var(--ink); }
.ui-panel h4 { margin: 0 0 18px; font-size: 18px; }
.ui-panel .answer { padding: 16px; border-radius: 14px; background: #f3f6fa; font-size: 13px; line-height: 1.62; }
.source-chip { display: flex; justify-content: space-between; gap: 10px; margin-top: 12px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 12px; font-size: 11px; color: var(--muted); }
.source-chip b { color: var(--ink); }
.confidence { margin-top: 16px; height: 8px; border-radius: 999px; background: #e9eef5; overflow: hidden; }
.confidence span { display: block; height: 100%; width: var(--score,75%); background: linear-gradient(90deg, var(--cyan), var(--blue)); }

.truth-map { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.truth-card { min-height: 135px; padding: 18px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.truth-card b { display: block; font-size: 14px; margin-bottom: 6px; }
.truth-card span { display: block; font-size: 11px; color: var(--muted); line-height: 1.5; }
.truth-spine { grid-column: 1/-1; padding: 20px; border-radius: 18px; color: #fff; background: linear-gradient(90deg, #0c2d55, #1b41b9); text-align: center; }
.truth-spine b { display: block; font-size: 16px; }
.truth-spine span { font-size: 12px; opacity: .72; }

.maturity-ladder { display: grid; gap: 12px; }
.maturity-step { display: grid; grid-template-columns: 56px 180px 1fr; gap: 18px; align-items: center; padding: 16px 18px; border: 1px solid var(--line); border-radius: 15px; background: #fff; transform: translateX(calc(var(--i) * 18px)); width: calc(100% - var(--i) * 18px); }
.maturity-step .level { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(28,70,201,.10); color: var(--blue); font-weight: 850; }
.maturity-step b { font-size: 14px; }
.maturity-step span { font-size: 12px; color: var(--muted); }

.article-end {
  margin-top: 90px; padding-top: 38px; border-top: 1px solid var(--line);
}
.author-card { display: grid; grid-template-columns: 78px 1fr; gap: 20px; padding: 26px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.author-avatar { width: 78px; height: 78px; border-radius: 22px; display: grid; place-items: center; background: linear-gradient(145deg, #0c2d55, #1b41b9); color: #fff; font-size: 25px; font-weight: 850; }
.author-card b { display: block; margin-bottom: 4px; }
.author-card p { margin: 0; font-size: 13px; line-height: 1.68; color: var(--muted); }
.next-article { margin-top: 24px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 26px; border-radius: 20px; color: #fff; background: linear-gradient(115deg, #0d1726, #1b41b9); }
.next-article small { display: block; opacity: .58; margin-bottom: 5px; }
.next-article b { display: block; font-size: 20px; line-height: 1.35; }
.next-article .arrow { font-size: 32px; }

.site-footer { color: rgba(255,255,255,.65); background: #0a1220; }
.site-footer .inner { width: min(1180px, calc(100% - 42px)); margin: 0 auto; padding: 58px 0; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 50px; }
.site-footer b { color: #fff; }
.site-footer p { margin: 10px 0 0; font-size: 13px; line-height: 1.7; }
.footer-links a { display: block; padding: 5px 0; font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 18px 0; font-size: 11px; }
.footer-bottom .inner { width: min(1180px, calc(100% - 42px)); margin: 0 auto; padding: 0; display: block; }

/* Landing */
.landing-hero {
  position: relative; min-height: 760px; overflow: hidden; color: #fff; background: #0a1220;
}
.landing-hero::before { content: ""; position: absolute; inset: 0; background: url('../images/ai-generated-industrial-texture.jpg') center/cover; opacity: .34; transform: scale(1.06); }
.landing-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 60% 35%, rgba(40,126,209,.24), transparent 44%), linear-gradient(90deg, rgba(5,19,39,.98), rgba(5,19,39,.73) 62%, rgba(5,19,39,.82)); }
.landing-hero .inner { position: relative; z-index: 1; width: min(1320px, calc(100% - 48px)); min-height: 760px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 70px; padding: 70px 0; }
.landing-hero h1 { margin: 0; max-width: 820px; font-size: clamp(54px, 7vw, 104px); line-height: .98; letter-spacing: -.07em; }
.landing-hero h1 span { display: block; color: #7fd3ef; }
.landing-hero .lede { max-width: 680px; margin: 30px 0 0; font-size: 21px; line-height: 1.7; color: rgba(255,255,255,.76); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 13px; font-size: 14px; font-weight: 800; }
.button.primary { background: #fff; color: #0b294e; }
.button.ghost { border: 1px solid rgba(255,255,255,.22); color: #fff; background: rgba(255,255,255,.04); }
.landing-visual { position: relative; }
.landing-visual img { width: 100%; border-radius: 28px; border: 1px solid rgba(255,255,255,.15); box-shadow: 0 35px 90px rgba(0,0,0,.38); }
.landing-visual::after { content: ""; position: absolute; inset: 14%; border-radius: 50%; background: rgba(54,178,220,.20); filter: blur(70px); z-index: -1; }

.manifesto-band { background: #fff; }
.manifesto-band .inner { width: min(1180px, calc(100% - 42px)); margin: 0 auto; padding: 92px 0; display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.section-label { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.manifesto-band h2, .series-section h2 { margin: 12px 0 0; font-size: clamp(36px,4vw,56px); line-height: 1.14; letter-spacing: -.055em; }
.manifesto-band .copy { font-size: 19px; color: #47586e; }
.principle-row { margin-top: 38px; display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
.principle { padding: 20px 14px; border-radius: 17px; background: #f4f7fb; border: 1px solid #e2e8f1; min-height: 150px; }
.principle b { display: block; margin-bottom: 8px; color: var(--blue); font-size: 13px; }
.principle span { font-size: 12px; line-height: 1.55; color: var(--muted); }

.series-section { padding: 100px 0; }
.series-section.alt { background: #eef3f8; }
.series-section .inner { width: min(1180px, calc(100% - 42px)); margin: 0 auto; }
.series-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 48px; }
.series-head p { margin: 0; color: var(--muted); }
.article-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.article-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-soft); transition: transform .25s ease, box-shadow .25s ease; }
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.article-card .thumb { aspect-ratio: 16/9; overflow: hidden; background: #092043; }
.article-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.article-card:hover .thumb img { transform: scale(1.035); }
.article-card .body { padding: 23px 24px 26px; }
.article-card .seq { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: .09em; }
.article-card h3 { margin: 9px 0 12px; font-size: 22px; line-height: 1.35; letter-spacing: -.035em; }
.article-card p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--muted); }
.article-card .read { display: inline-block; margin-top: 18px; color: var(--blue); font-size: 13px; font-weight: 800; }

.author-section { background: #0d1726; color: #fff; }
.author-section .inner { width: min(1180px, calc(100% - 42px)); margin: 0 auto; padding: 96px 0; display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: center; }
.author-monogram { width: 220px; height: 220px; border-radius: 64px; display: grid; place-items: center; background: linear-gradient(145deg, #1b41b9, #1b41b9); font-size: 58px; font-weight: 900; box-shadow: 0 30px 70px rgba(0,0,0,.3); }
.author-section h2 { margin: 0 0 18px; font-size: 42px; letter-spacing: -.05em; }
.author-section p { margin: 0; color: rgba(255,255,255,.68); }

@media (max-width: 1120px) {
  .article-layout { grid-template-columns: minmax(0,var(--content)) 1fr; max-width: 1020px; }
  .article-toc { display: none; }
  .visual { margin-left: -18px; margin-right: -18px; }
  .domain-grid { grid-template-columns: repeat(3,1fr); }
  .principle-row { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 860px) {
  body { font-size: 17px; }
  .site-header .inner { width: min(100% - 28px, 1320px); }
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 68px; left: 14px; right: 14px; padding: 10px; border-radius: 16px; background: #0d1726; box-shadow: var(--shadow); }
  .site-nav.open { display: grid; }
  .site-nav a { padding: 12px; }
  .hero { min-height: 580px; }
  .hero-grid { min-height: 580px; grid-template-columns: 1fr; width: min(100% - 34px,1320px); gap: 28px; padding: 64px 0 42px; }
  .hero h1 { font-size: clamp(40px,10vw,60px); }
  .hero-note { justify-self: start; }
  .article-layout { display: block; width: min(100% - 34px,760px); padding-top: 54px; }
  .article-side-note { display: none; }
  .pullquote { margin-left: -12px; margin-right: -12px; padding: 28px 28px; font-size: 24px; }
  .visual { margin-left: -10px; margin-right: -10px; border-radius: 20px; }
  .visual .canvas { padding: 22px; }
  .flowline { grid-template-columns: 1fr; gap: 14px; }
  .flow-node:not(:last-child)::after, .flow-node:not(:last-child)::before { display: none; }
  .before-after { grid-template-columns: 1fr; }
  .compare-arrow { transform: rotate(90deg); justify-self: center; }
  .object-sheet, .role-split { grid-template-columns: 1fr; }
  .domain-grid { grid-template-columns: repeat(2,1fr); }
  .timeline { grid-template-columns: 1fr; padding-top: 0; }
  .timeline::before, .time-step::before { display: none; }
  .impact-map { grid-template-columns: 1fr 1fr; }
  .impact-map > * { grid-column: auto !important; grid-row: auto !important; }
  .impact-center { border-radius: 22px; }
  .evidence-ui .ui-body { grid-template-columns: 1fr; }
  .truth-map { grid-template-columns: 1fr 1fr; }
  .landing-hero .inner { min-height: 720px; grid-template-columns: 1fr; width: min(100% - 34px,1320px); gap: 40px; }
  .landing-hero h1 { font-size: clamp(52px,15vw,84px); }
  .landing-visual { max-width: 620px; }
  .manifesto-band .inner, .series-head, .author-section .inner { grid-template-columns: 1fr; gap: 32px; }
  .article-cards { grid-template-columns: 1fr; }
  .principle-row { grid-template-columns: 1fr 1fr; }
  .site-footer .inner { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 560px) {
  body { font-size: 16.5px; }
  .brand-copy small { display: none; }
  .hero-grid { padding-top: 50px; }
  .hero h1 { font-size: 40px; }
  .hero .dek { font-size: 17px; }
  .series-strip .next-mini { display: none; }
  .lead { font-size: 19px; }
  .article-body h2 { font-size: 31px; }
  .visual .canvas { padding: 16px; }
  .domain-grid, .truth-map, .impact-map { grid-template-columns: 1fr; }
  .prop-row { grid-template-columns: 1fr; gap: 3px; }
  .principle-row { grid-template-columns: 1fr; }
  .maturity-step { grid-template-columns: 48px 1fr; transform: none; width: 100%; }
  .maturity-step span { grid-column: 2; }
  .author-section .inner { padding: 70px 0; }
  .author-monogram { width: 150px; height: 150px; border-radius: 46px; font-size: 42px; }
}

@media print {
  body { background: #fff; font-size: 12pt; color: #111; }
  .site-header, .reading-progress, .series-strip, .article-toc, .article-side-note, .next-article, .site-footer { display: none !important; }
  .hero { min-height: 360px; break-after: page; }
  .hero-grid { min-height: 360px; padding: 44px 0; }
  .hero h1 { font-size: 38pt; }
  .article-layout { display: block; width: 100%; max-width: 175mm; padding: 20mm 0; }
  .visual, .pullquote { margin-left: 0; margin-right: 0; box-shadow: none; break-inside: avoid; }
  .article-body h2 { break-after: avoid; }
  a { color: inherit; }
}