@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@400;600;700;900&display=swap');

:root {
  --paper: #f2eee5;
  --paper-light: #faf8f2;
  --paper-deep: #e8e2d6;
  --ink: #18201e;
  --ink-soft: #4e544f;
  --muted: #70736e;
  --rule: #b8b3a8;
  --rule-dark: #686b65;
  --red: #bd3d2c;
  --red-dark: #8f2c21;
  --blue-wash: #dbe3e3;
  --green-wash: #dfe4d8;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --mono: "DM Mono", "SFMono-Regular", monospace;
  --content: 1180px;
  --reading: 820px;
}

* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: clip; }
main, section, article, aside, div { min-width: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif); text-rendering: optimizeLegibility; }
a { color: inherit; text-underline-offset: .18em; }
a:hover { color: var(--red); }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
::selection { background: var(--red); color: white; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--ink); color: white; padding: 12px 18px; font-family: var(--sans); transition: top .2s; }
.skip-link:focus { top: 14px; }
.reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 999; background: transparent; }
.reading-progress span { display: block; height: 100%; width: 0; background: var(--red); }

.site-header { position: sticky; top: 0; z-index: 50; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 34px; max-width: calc(var(--content) + 96px); margin: 0 auto; padding: 14px 48px; border-bottom: 1px solid var(--ink); background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(10px); }
.wordmark { font: 900 16px var(--serif); text-decoration: none; }
.site-nav { display: flex; gap: 20px; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.site-nav a { text-decoration: none; }
.version { font: 500 10px var(--mono); color: var(--muted); }
.nav-toggle { display: none; border: 1px solid var(--ink); background: transparent; padding: 7px 12px; font: 500 11px var(--mono); }

main { max-width: calc(var(--content) + 96px); margin: auto; padding: 0 48px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, .58fr); gap: 72px; padding: 84px 0 68px; border-bottom: 1px solid var(--ink); }
.kicker, .eyebrow, .diagram-label, .plan-time { font: 500 11px var(--mono); letter-spacing: .15em; text-transform: uppercase; }
.kicker, .eyebrow { color: var(--red); }
.hero h1 { margin: 20px 0 30px; max-width: 100%; font-size: clamp(58px, 6.4vw, 92px); line-height: 1.02; letter-spacing: -.065em; font-weight: 900; }
.hero h1 span { display: block; overflow-wrap: anywhere; }
.hero h1 .mobile-title-line { display: inline; white-space: nowrap; }
.kicker span { display: inline; white-space: nowrap; }
.hero-dek { max-width: 790px; margin: 0; font-size: 21px; line-height: 1.75; color: #333936; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 11px 24px; margin-top: 36px; font: 500 10px var(--mono); letter-spacing: .04em; color: var(--muted); }
.hero-meta span::before { content: "— "; color: var(--red); }
.hero-note { align-self: end; border-left: 1px solid var(--ink); padding-left: 25px; }
.issue-number { font: 400 66px/1 var(--serif); }
.hero-note p { font-size: 14px; line-height: 1.8; color: var(--ink-soft); }
.text-link { font: 500 11px var(--mono); text-decoration: none; border-bottom: 1px solid; }

.thesis { display: grid; grid-template-columns: 180px 1fr; gap: 45px; padding: 55px 0; border-bottom: 1px solid var(--ink); }
.section-label { font: 500 11px/1.7 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.thesis blockquote { max-width: 1000px; margin: 0 0 28px; font-size: clamp(30px, 3.25vw, 48px); line-height: 1.42; letter-spacing: -.025em; }
.thesis blockquote span { color: var(--red); }
.lead { font-size: 19px; line-height: 1.85; }
.thesis .lead { max-width: 900px; color: var(--ink-soft); }

.report-section { padding: 86px 0; border-bottom: 1px solid var(--ink); }
.section-head { display: grid; grid-template-columns: 70px 1fr; gap: 20px; align-items: end; margin-bottom: 40px; }
.section-head > span { font: 400 44px/1 var(--serif); color: var(--red); }
.section-head p { margin: 0 0 10px; }
.section-head h2 { margin: 0; font-size: clamp(34px, 4vw, 58px); line-height: 1.12; letter-spacing: -.045em; }
.section-intro { max-width: var(--reading); margin: 0 0 42px 90px; font-size: 18px; line-height: 1.85; color: var(--ink-soft); }

.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.summary-grid article { position: relative; min-height: 285px; padding: 34px 30px 34px 0; border-bottom: 1px solid var(--rule); }
.summary-grid article:not(:nth-child(3n + 1)) { padding-left: 30px; border-left: 1px solid var(--rule); }
.summary-grid .index { font: 500 11px var(--mono); color: var(--red); }
.summary-grid h3 { margin: 35px 0 14px; font-size: 22px; line-height: 1.4; }
.summary-grid p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }
.summary-grid p a, .evidence-notes a, .research-warning a { white-space: nowrap; color: var(--red-dark); font: 500 10px var(--mono); }

.split-chart { max-width: 980px; margin: 0 0 54px 90px; padding: 28px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.chart-axis { display: flex; flex-direction: row-reverse; justify-content: space-between; margin-left: 290px; padding-bottom: 10px; font: 10px var(--mono); color: var(--muted); }
.chart-row { display: grid; grid-template-columns: 270px 1fr 90px; align-items: center; gap: 20px; margin: 18px 0; }
.chart-name { font: 500 13px var(--sans); }
.bar { height: 39px; background: linear-gradient(90deg, transparent 49.8%, var(--rule) 50%, transparent 50.2%); }
.bar span { display: flex; align-items: center; justify-content: flex-end; width: var(--size); height: 100%; padding-right: 13px; background: var(--ink); color: white; font: 500 13px var(--mono); }
.negative .bar span { width: var(--size); margin-left: 50%; background: var(--red); }
.chart-row > a { font: 10px var(--mono); color: var(--muted); }
.evidence-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-left: 90px; }
.evidence-notes article { border-top: 4px solid var(--ink); padding-top: 19px; }
.evidence-notes h3 { font-size: 20px; margin: 0 0 12px; }
.evidence-notes p { font-size: 14px; line-height: 1.78; color: var(--ink-soft); }
.caveat { max-width: 980px; margin: 50px 0 0 90px; padding: 20px 25px; border: 1px solid var(--red); color: var(--red-dark); font-size: 14px; line-height: 1.75; }

.shift-diagram { display: grid; grid-template-columns: 1fr 155px 1.3fr; align-items: stretch; margin-left: 90px; }
.shift-old, .shift-new { padding: 32px; border: 1px solid var(--ink); }
.shift-old { background: var(--paper-deep); }
.shift-new { background: var(--ink); color: var(--paper-light); }
.shift-diagram h3 { font-size: 27px; margin: 19px 0; }
.shift-diagram ul { margin: 0; padding-left: 1.1em; font-size: 14px; line-height: 2; }
.shift-arrow { display: grid; place-content: center; text-align: center; font: 10px var(--mono); color: var(--muted); }
.shift-arrow b { font: 400 50px var(--serif); color: var(--red); }
.pullquote { max-width: 910px; margin: 56px auto; text-align: center; }
.pullquote p { margin: 0 0 14px; font-size: clamp(30px, 4vw, 48px); font-style: italic; line-height: 1.35; }
.pullquote cite { font: 11px var(--mono); color: var(--muted); }
.two-column-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; max-width: 930px; margin-left: 90px; }
.two-column-copy h3 { font-size: 22px; }
.two-column-copy p { font-size: 15px; line-height: 1.85; color: var(--ink-soft); }

.workflow-key { display: flex; gap: 24px; margin: 0 0 22px 90px; font: 500 10px var(--mono); text-transform: uppercase; }
.workflow-key span::before { content: ""; display: inline-block; width: 11px; height: 11px; margin-right: 8px; vertical-align: -1px; }
.auto-dot::before { background: #b9bbb5; }.augment-dot::before { background: #9eaaa8; }.protect-dot::before { background: var(--red); }
.workflow-table { margin-left: 90px; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.wf-head, .wf-row { display: grid; grid-template-columns: .65fr 1fr 1fr 1.15fr; }
.wf-head { background: var(--ink); color: white; font: 500 10px var(--mono); text-transform: uppercase; }
.wf-head div, .wf-row > div { padding: 16px 18px; border-right: 1px solid var(--rule); }
.wf-head div:last-child, .wf-row > div:last-child { border-right: 0; }
.wf-row { border-bottom: 1px solid var(--rule); font-size: 13px; line-height: 1.55; }
.wf-row:last-child { border: 0; }
.wf-row > div:nth-child(2) { background: rgba(185,187,181,.18); }
.wf-row > div:nth-child(3) { background: rgba(158,170,168,.19); }
.wf-row > div:nth-child(4) { background: rgba(189,61,44,.075); }
.wf-row b { display: block; font-size: 15px; }
.wf-row small { font: 9px var(--mono); color: var(--muted); }
.research-warning { display: grid; grid-template-columns: 70px 1fr; gap: 22px; max-width: 900px; margin: 45px 0 0 90px; padding: 25px; border: 1px solid var(--red); background: var(--paper-light); }
.warning-mark { font: 400 50px/1 var(--serif); color: var(--red); }
.research-warning h3 { margin: 0 0 8px; }
.research-warning p { margin: 0; font-size: 14px; line-height: 1.75; }

.deliverable-list { margin-left: 90px; border-top: 1px solid var(--ink); }
.deliverable-list article { display: grid; grid-template-columns: 70px 190px 1fr; gap: 25px; padding: 24px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.deliverable-list article > span { font: 11px var(--mono); color: var(--red); }
.deliverable-list h3 { margin: 0; font-size: 21px; }
.deliverable-list p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }

.path-filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 27px 90px; }
.path-filter button { border: 1px solid var(--ink); border-radius: 0; background: transparent; padding: 9px 13px; color: var(--ink); font: 500 11px var(--sans); cursor: pointer; }
.path-filter button:hover, .path-filter button.active { background: var(--ink); color: white; }
.career-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-left: 90px; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.career-card { min-height: 420px; padding: 28px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transition: opacity .2s, transform .2s; }
.career-card.is-hidden { display: none; }
.career-card.recommended { background: var(--ink); color: white; }
.card-top { display: flex; justify-content: space-between; font: 500 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.card-top b { color: var(--red); }
.recommended .card-top b { color: #f69a89; }
.career-card h3 { margin: 50px 0 18px; font-size: 30px; line-height: 1.2; }
.career-card > p { min-height: 65px; font-size: 15px; line-height: 1.7; color: var(--ink-soft); }
.recommended > p { color: #d7d9d5; }
.career-card dl { margin: 27px 0 0; }
.career-card dt { float: left; clear: left; width: 48px; padding-top: 9px; font: 500 10px var(--mono); color: var(--red); }
.career-card dd { margin-left: 62px; padding: 7px 0; border-top: 1px solid var(--rule); font-size: 13px; line-height: 1.6; }
.recommended dd { border-color: #505654; }

.pm-verdict { display: grid; grid-template-columns: 260px 1fr; gap: 52px; margin-left: 90px; align-items: center; }
.big-no { padding: 30px; border: 1px solid var(--red); color: var(--red); font-size: 64px; font-weight: 900; line-height: 1.05; letter-spacing: -.07em; }
.pm-verdict p { max-width: 720px; }
.pm-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; margin: 48px 0 0 90px; }
.pm-checks article { border-top: 4px solid var(--ink); }
.pm-checks h3 { font-size: 21px; }
.pm-checks ul { padding-left: 1.2em; font-size: 14px; line-height: 1.85; color: var(--ink-soft); }

.level-timeline { margin-left: 90px; border-top: 1px solid var(--ink); }
.level-timeline article { display: grid; grid-template-columns: 120px 1fr; gap: 35px; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.level-year { font: 500 13px var(--mono); color: var(--red); }
.level-timeline h3 { margin: 0 0 9px; font-size: 23px; }
.level-timeline p { max-width: 810px; margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-soft); }

.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-left: 90px; border: 1px solid var(--ink); }
.plan-grid article { min-height: 330px; padding: 28px; border-right: 1px solid var(--ink); }
.plan-grid article:last-child { border: 0; }
.plan-time { color: var(--red); }
.plan-grid h3 { margin: 40px 0 20px; font-size: 24px; }
.plan-grid ol { padding-left: 1.25em; font-size: 14px; line-height: 1.9; color: var(--ink-soft); }
.year-plan { display: grid; grid-template-columns: 1fr 1.25fr; gap: 50px; margin: 42px 0 0 90px; padding: 35px; background: var(--ink); color: white; }
.year-title > span { font: 500 10px var(--mono); color: #f69a89; }
.year-title h3 { font-size: 26px; line-height: 1.45; }
.year-items p { margin: 0; padding: 11px 0; border-bottom: 1px solid #505654; font-size: 14px; line-height: 1.65; color: #d7d9d5; }
.year-items p:last-child { border: 0; }

.leader-principles { display: grid; grid-template-columns: repeat(5, 1fr); margin-left: 90px; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.leader-principles article { min-height: 330px; padding: 22px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.leader-principles span { font: 10px var(--mono); color: var(--red); }
.leader-principles h3 { margin: 42px 0 14px; font-size: 18px; line-height: 1.45; }
.leader-principles p { font-size: 13px; line-height: 1.75; color: var(--ink-soft); }

.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px; margin-left: 90px; }
.method-grid > div { border-top: 4px solid var(--ink); }
.method-grid h3 { font-size: 19px; }
.method-grid p { font-size: 13px; line-height: 1.8; color: var(--ink-soft); }
.source-list { margin: 0 0 0 90px; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.source-list li { display: grid; grid-template-columns: 55px 1fr; gap: 22px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.source-list li > span { font: 500 10px var(--mono); color: var(--red); }
.source-list a { font-size: 15px; font-weight: 700; }
.source-list p { margin: 5px 0 0; font-size: 12px; line-height: 1.6; color: var(--muted); }

.closing { padding: 110px 0 90px; text-align: center; }
.closing blockquote { max-width: 950px; margin: 25px auto; font-size: clamp(35px, 5vw, 62px); line-height: 1.35; letter-spacing: -.045em; }
.closing > p:not(.kicker) { max-width: 680px; margin: 0 auto 30px; font-size: 17px; line-height: 1.8; color: var(--ink-soft); }
.back-top { font: 500 11px var(--mono); }
.site-footer { display: flex; justify-content: space-between; max-width: calc(var(--content) + 96px); margin: auto; padding: 22px 48px 34px; border-top: 5px solid var(--ink); font: 500 10px var(--mono); color: var(--muted); }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; padding-inline: 24px; }
  .version { display: none; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; inset: 58px 24px auto; flex-direction: column; gap: 0; border: 1px solid var(--ink); background: var(--paper-light); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px; border-bottom: 1px solid var(--rule); }
  main { padding: 0 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 60px; }
  .hero-note { max-width: 500px; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-grid article:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .summary-grid article:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--rule); }
  .section-intro, .split-chart, .evidence-notes, .caveat, .shift-diagram, .two-column-copy, .workflow-key, .workflow-table, .research-warning, .deliverable-list, .path-filter, .career-grid, .pm-verdict, .pm-checks, .level-timeline, .plan-grid, .year-plan, .leader-principles, .method-grid, .source-list { margin-left: 0; }
  .evidence-notes { grid-template-columns: 1fr; }
  .leader-principles { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 65px; }
  .site-header { padding: 11px 18px; }
  main { padding: 0 18px; }
  .hero { padding: 45px 0 48px; }
  .hero h1 { font-size: clamp(43px, 12.5vw, 58px); line-height: 1.08; letter-spacing: -.055em; }
  .hero h1 .mobile-title-line { display: block; }
  .hero-dek { font-size: 17px; }
  .hero-meta { display: block; line-height: 2.2; }
  .hero-meta span { display: block; }
  .thesis { grid-template-columns: 1fr; gap: 24px; padding: 42px 0; }
  .thesis blockquote { font-size: 29px; }
  .lead { font-size: 17px; }
  .report-section { padding: 62px 0; }
  .section-head { grid-template-columns: 45px 1fr; gap: 8px; margin-bottom: 32px; }
  .section-head > span { font-size: 30px; }
  .section-head h2 { font-size: 35px; }
  .section-intro { font-size: 16px; margin-bottom: 30px; }
  .summary-grid { grid-template-columns: 1fr; }
  .summary-grid article, .summary-grid article:nth-child(even), .summary-grid article:not(:nth-child(3n + 1)) { min-height: 0; padding: 28px 0; border-left: 0; }
  .summary-grid h3 { margin-top: 20px; }
  .chart-axis { margin-left: 0; }
  .chart-row { grid-template-columns: 1fr; gap: 8px; margin: 28px 0; }
  .chart-row > a { justify-self: end; }
  .split-chart { padding-bottom: 5px; }
  .shift-diagram { grid-template-columns: 1fr; }
  .shift-arrow { min-height: 90px; }
  .shift-arrow b { transform: rotate(90deg); }
  .two-column-copy { grid-template-columns: 1fr; gap: 20px; }
  .workflow-key { gap: 14px; overflow-x: auto; white-space: nowrap; }
  .workflow-table { overflow-x: auto; border-right: 1px solid var(--ink); }
  .wf-head, .wf-row { min-width: 790px; }
  .research-warning { grid-template-columns: 40px 1fr; }
  .deliverable-list article { grid-template-columns: 35px 1fr; gap: 12px; }
  .deliverable-list article > div { grid-column: 2; }
  .deliverable-list h3 { margin-bottom: 8px; }
  .career-grid { grid-template-columns: 1fr; }
  .career-card { min-height: 0; }
  .pm-verdict { grid-template-columns: 1fr; }
  .big-no { font-size: 48px; }
  .pm-checks { grid-template-columns: 1fr; gap: 30px; }
  .level-timeline article { grid-template-columns: 70px 1fr; gap: 14px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid var(--ink); }
  .year-plan { grid-template-columns: 1fr; gap: 18px; padding: 25px; }
  .leader-principles, .method-grid { grid-template-columns: 1fr; }
  .leader-principles article { min-height: 0; }
  .source-list li { grid-template-columns: 38px 1fr; gap: 10px; }
  .closing { padding: 80px 0 65px; }
  .site-footer { display: grid; gap: 8px; padding-inline: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media print {
  :root { --paper: white; --paper-light: white; --paper-deep: #f3f3f3; }
  @page { size: A4; margin: 17mm 15mm; }
  body { font-size: 10pt; background: white; }
  .site-header, .reading-progress, .nav-toggle, .path-filter, .back-top { display: none !important; }
  main { max-width: none; padding: 0; }
  .hero { padding-top: 0; }
  .report-section { break-before: page; padding: 20px 0; }
  .hero, .thesis, .career-card, .plan-grid article, .leader-principles article, .source-list li { break-inside: avoid; }
  a { text-decoration: none; }
  .career-card.recommended, .shift-new, .year-plan { color: var(--ink); background: #eee; }
  .site-footer { max-width: none; padding-inline: 0; }
}