:root {
  --violet: #552878;
  --violet-dark: #2e153d;
  --violet-soft: #7b4c97;
  --gold: #f3c34f;
  --ivory: #fbf7ef;
  --paper: #fffdf9;
  --ink: #1c1722;
  --muted: #6d6571;
  --line: rgba(46, 21, 61, 0.16);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ivory); color: var(--ink); font-family: "Manrope", system-ui, sans-serif; line-height: 1.65; text-rendering: optimizeLegibility; }
body::before { content: ""; position: fixed; inset: 0; z-index: 20; pointer-events: none; opacity: 0.16; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.1'/%3E%3C/svg%3E"); }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, blockquote { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.04em; }
h1 { font-size: clamp(3.2rem, 7.2vw, 6.9rem); }
h2 { font-size: clamp(2.05rem, 4.3vw, 4rem); }
h3 { font-size: 1.35rem; }

.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--gold); color: var(--violet-dark); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { margin-bottom: 18px; color: var(--violet); font-size: .74rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }

.publication-header { position: sticky; top: 0; z-index: 40; min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 16px max(24px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: rgba(251, 247, 239, .94); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: grid; line-height: 1.15; }
.brand strong { color: var(--violet-dark); font-size: .92rem; }
.brand small { color: var(--muted); font-size: .68rem; font-weight: 700; }
.publication-header nav { display: flex; align-items: center; gap: 24px; }
.publication-header nav a { color: var(--violet-dark); font-size: .8rem; font-weight: 750; text-decoration: none; }
.publication-header nav a:hover { color: var(--violet); }
.publication-header .header-cta { padding: 9px 14px; border: 1px solid var(--violet); border-radius: 999px; }

.library-shell { max-width: var(--max); margin: 0 auto; padding: 0 24px 100px; }
.library-hero { padding: 120px 0 90px; max-width: 970px; }
.library-hero h1 { margin-bottom: 30px; color: var(--violet-dark); }
.library-hero h1 em { color: var(--violet); font-family: "Source Serif 4", Georgia, serif; font-weight: 500; }
.library-hero > p:last-child { max-width: 760px; color: #514858; font-size: 1.2rem; }
.library-section { padding: 80px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 40px; }
.feature-card { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; padding: clamp(28px, 5vw, 58px); border-radius: 30px; background: var(--paper); box-shadow: 0 25px 70px rgba(46,21,61,.1); }
.article-kicker { color: var(--violet); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.feature-card h3 { max-width: 800px; margin: 18px 0; font-size: clamp(2rem, 4vw, 3.8rem); }
.feature-card h3 a { text-decoration: none; }
.feature-card p { max-width: 700px; color: var(--muted); }
.article-meta { display: flex; gap: 9px; flex-wrap: wrap; }
.article-meta span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .7rem; font-weight: 700; }
.round-link { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: var(--violet); color: white; font-size: 1.5rem; text-decoration: none; }
.method-note { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px 60px; align-items: end; margin-top: 60px; padding: 60px; border-radius: 30px; background: var(--violet-dark); color: white; }
.method-note .eyebrow { color: var(--gold); }
.method-note h2 { margin-bottom: 0; }
.method-note > p { color: rgba(255,255,255,.72); }
.method-note > a { grid-column: 2; color: var(--gold); font-weight: 800; }

.article-header { background: rgba(46, 21, 61, .96); border-bottom-color: rgba(255,255,255,.12); }
.article-header .brand strong, .article-header nav a { color: white; }
.article-header .brand small { color: rgba(255,255,255,.62); }
.article-header .header-cta { border-color: rgba(255,255,255,.5); }
.article-hero { display: grid; grid-template-columns: 1.08fr .92fr; min-height: calc(100svh - 82px); background: var(--violet-dark); color: white; }
.article-hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 90px clamp(32px, 4vw, 70px) 90px max(24px, calc((100vw - var(--max)) / 2)); }
.article-hero .eyebrow { color: var(--gold); }
.article-hero h1 { max-width: 850px; margin-bottom: 34px; }
.article-hero h1 em { color: var(--gold); font-family: "Source Serif 4", Georgia, serif; font-weight: 500; }
.article-deck { max-width: 760px; margin-bottom: 34px; color: rgba(255,255,255,.72); font-size: clamp(1.08rem, 1.7vw, 1.35rem); }
.article-purpose { max-width: 720px; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start; margin: 0 0 28px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.18); border-radius: 16px; background: rgba(255,255,255,.06); }
.article-purpose span { padding-top: 2px; color: var(--gold); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.article-purpose p { margin: 0; color: rgba(255,255,255,.78); font-size: .83rem; }
.article-byline { display: flex; flex-wrap: wrap; gap: 8px 22px; color: rgba(255,255,255,.56); font-size: .72rem; font-weight: 700; }
.article-map { position: relative; min-height: 620px; margin: 0; overflow: hidden; background: #1d0928; }
.article-map::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(22,6,31,.78), transparent 35%); }
.article-map img { width: 100%; height: 100%; padding: clamp(18px, 3vw, 42px); object-fit: contain; }
.article-map figcaption { position: absolute; left: 32px; right: 32px; bottom: 28px; z-index: 2; color: rgba(255,255,255,.72); font-size: .75rem; }

.article-layout { max-width: var(--max); display: grid; grid-template-columns: 200px minmax(0, 800px); gap: 80px; margin: 0 auto; padding: 110px 24px 120px; }
.article-rail { position: sticky; top: 112px; align-self: start; display: grid; gap: 12px; padding-top: 8px; }
.article-rail span { margin-bottom: 8px; color: var(--violet); font-size: .69rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-rail a { color: var(--muted); font-size: .76rem; font-weight: 700; text-decoration: none; }
.article-rail a:hover { color: var(--violet); }
.article-body { min-width: 0; }
.answer-block { padding: 0 0 100px; }
.answer-block h2 { margin-bottom: 28px; color: var(--violet-dark); }
.answer-block > p:not(.eyebrow) { color: #49404e; font-size: 1.13rem; }
.answer-block .answer-emphasis { margin-top: 30px; padding: 24px 26px; border-left: 4px solid var(--gold); background: var(--paper); color: var(--violet-dark); }
.thesis-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 40px; }
.thesis-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.thesis-grid span { display: block; margin-bottom: 11px; color: var(--violet); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.thesis-grid p { margin: 0; color: var(--muted); font-size: .82rem; }

.article-section { padding: 100px 0; border-top: 1px solid var(--line); }
.section-label { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; color: var(--violet); }
.section-label span { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid rgba(85,40,120,.3); border-radius: 50%; font-size: .7rem; font-weight: 800; }
.section-label p { margin: 0; font-size: .73rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.article-section > h2 { margin-bottom: 24px; color: var(--violet-dark); }
.article-section > p { color: #514858; }
.section-lede { font-size: 1.1rem; }

.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 48px 0; }
.evidence-grid article { display: flex; flex-direction: column; padding: 26px 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); }
.evidence-grid strong { color: var(--violet); font-family: "Source Serif 4", Georgia, serif; font-size: 3.1rem; line-height: 1; }
.evidence-grid h3 { margin: 15px 0 13px; font-size: 1.05rem; }
.evidence-grid p { color: var(--muted); font-size: .79rem; }
.evidence-grid a { margin-top: auto; color: var(--violet); font-size: .72rem; font-weight: 800; }
.fact-proposal { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact-proposal article { padding: 28px; border-radius: 22px; background: #f1e9f2; }
.fact-tag { display: inline-flex; margin-bottom: 20px; padding: 5px 9px; border-radius: 999px; background: var(--violet); color: white; font-size: .65rem; font-weight: 800; text-transform: uppercase; }
.fact-proposal p { color: #554a5b; font-size: .86rem; }
.fact-proposal a { color: var(--violet); font-size: .75rem; font-weight: 800; }

.mechanism-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 48px 0 30px; }
.mechanism-card { display: flex; flex-direction: column; min-width: 0; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: var(--paper); }
.mechanism-card-wide { grid-column: 1 / -1; }
.mechanism-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 9px; }
.mechanism-heading span { color: var(--violet-soft); font-size: .68rem; font-weight: 800; letter-spacing: .08em; }
.mechanism-heading h3 { margin: 0; color: var(--violet-dark); font-size: 1.65rem; }
.mechanism-role { margin-bottom: 18px; color: var(--violet); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.mechanism-card > p:not(.mechanism-role) { color: #514858; font-size: .86rem; }
.mechanism-card dl { display: grid; gap: 10px; margin: 8px 0 24px; }
.mechanism-card dl div { padding: 13px 0 0; border-top: 1px solid var(--line); }
.mechanism-card dt { color: var(--violet); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.mechanism-card dd { margin: 5px 0 0; color: var(--muted); font-size: .78rem; }
.mechanism-card > a { margin-top: auto; color: var(--violet); font-size: .74rem; font-weight: 800; }
.reading-note { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 26px 28px; border-left: 4px solid var(--gold); background: #f2ece7; }
.reading-note strong { color: var(--violet-dark); }
.reading-note p { margin: 0; color: #514858; font-size: .86rem; }
.reading-note-purple { margin-top: 42px; border-left-color: var(--violet); background: #f1e9f2; }
.fact-proposal-three { grid-template-columns: repeat(3, 1fr); margin-top: 42px; }
.evidence-grid-two { grid-template-columns: repeat(2, 1fr); }

.integrator-thesis { margin: 42px 0 18px; padding: 30px; border: 0; border-radius: 22px; background: var(--violet-dark); color: white; }
.integrator-thesis strong { display: block; margin-bottom: 9px; color: var(--gold); font-family: "Source Serif 4", Georgia, serif; font-size: 1.55rem; }
.integrator-thesis p { margin: 0; color: rgba(255,255,255,.78); }
.integrator-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.integrator-grid article { padding: 26px 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); }
.integrator-grid span { color: var(--violet-soft); font-size: .68rem; font-weight: 800; }
.integrator-grid h3 { margin: 14px 0 12px; color: var(--violet-dark); }
.integrator-grid p { margin: 0; color: var(--muted); font-size: .82rem; }
.integrator-outcome { margin-top: 32px; }
.method-heading { margin: 58px 0 0; color: var(--violet-dark); font-size: 1.8rem; }

.explorer-section { position: relative; }
.friction-controls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 38px 0 20px; }
.friction-button { display: flex; align-items: center; gap: 14px; padding: 17px 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--violet-dark); font-weight: 800; text-align: left; cursor: pointer; }
.friction-button span { color: var(--violet-soft); font-size: .66rem; }
.friction-button:hover, .friction-button.is-active { border-color: var(--violet); background: var(--violet); color: white; }
.friction-button.is-active span { color: var(--gold); }
.friction-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.friction-card { padding: 26px; border: 1px solid transparent; border-radius: 20px; background: #f2ece7; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.friction-card.is-selected { border-color: var(--gold); box-shadow: 0 16px 42px rgba(46,21,61,.12); transform: translateY(-3px); }
.friction-card > span { color: var(--violet); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.friction-card h3 { margin: 12px 0 18px; }
.friction-card p { color: #544a58; font-size: .82rem; }
.friction-card a { color: var(--violet); font-size: .72rem; font-weight: 800; }
.explorer-status { margin: 18px 0 0; color: var(--muted); font-size: .72rem; }

.proposal-steps { margin: 48px 0 0; padding: 0; list-style: none; }
.proposal-steps li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 25px 0; border-top: 1px solid var(--line); }
.proposal-steps li > span { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 50%; background: var(--gold); color: var(--violet-dark); font-weight: 800; }
.proposal-steps h3 { margin-bottom: 8px; }
.proposal-steps p { margin-bottom: 0; color: var(--muted); }
.limits-section ul { display: grid; gap: 13px; padding: 0; list-style: none; }
.limits-section li { padding: 22px 24px; border-left: 3px solid var(--gold); background: var(--paper); color: #514858; }

.article-cta { margin: 100px -48px 0; padding: 60px 48px; border-radius: 28px; background: var(--violet-dark); color: white; }
.article-cta .eyebrow { color: var(--gold); }
.article-cta h2 { margin-bottom: 24px; }
.article-cta > p:not(.eyebrow) { color: rgba(255,255,255,.7); }
.article-cta > div { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 13px 20px; border-radius: 999px; font-size: .78rem; font-weight: 800; text-decoration: none; }
.button-gold { background: var(--gold); color: var(--violet-dark); }
.button-outline-light { border: 1px solid rgba(255,255,255,.5); color: white; }

.source-list { display: grid; gap: 0; margin: 40px 0; padding: 0; list-style: none; }
.source-list li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 20px 0; border-top: 1px solid var(--line); }
.source-list li > span { color: var(--violet-soft); font-size: .7rem; font-weight: 800; }
.source-list a { color: var(--violet-dark); font-weight: 800; }
.source-list p { margin: 7px 0 0; color: var(--muted); font-size: .78rem; }
.correction-note { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.correction-note p { margin: 4px 0 0; color: var(--muted); font-size: .78rem; }
.correction-note a { flex: 0 0 auto; color: var(--violet); font-size: .75rem; font-weight: 800; }
.article-end { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding-top: 30px; border-top: 1px solid var(--line); }
.article-end div { display: grid; gap: 7px; }
.article-end span { color: var(--muted); font-size: .7rem; }
.article-end a { color: var(--violet); font-weight: 800; }

.publication-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 30px max(24px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.publication-footer div { display: flex; gap: 20px; flex-wrap: wrap; }
.publication-footer a { font-weight: 700; }

@media (max-width: 980px) {
  .article-hero { grid-template-columns: 1fr; }
  .article-map { min-height: 480px; }
  .article-map::after { background: linear-gradient(0deg, rgba(22,6,31,.8), transparent 45%); }
  .article-layout { grid-template-columns: 1fr; gap: 0; }
  .article-rail { position: static; display: flex; flex-wrap: wrap; gap: 9px 16px; margin-bottom: 60px; }
  .article-rail span { width: 100%; }
}

@media (max-width: 740px) {
  .publication-header { min-height: 70px; }
  .publication-header nav .article-anchor { display: none; }
  .publication-header nav { gap: 12px; }
  .publication-header .header-cta { padding: 8px 11px; font-size: .68rem; }
  .article-header .header-cta { display: none; }
  .brand img { width: 36px; height: 36px; }
  .article-hero-copy { min-width: 0; padding: 70px 24px; }
  .article-hero h1 { font-size: clamp(2.7rem, 12.5vw, 3.6rem); }
  .article-map { min-height: 380px; }
  .article-layout { padding-top: 70px; }
  .article-section { padding: 76px 0; }
  .article-purpose { grid-template-columns: 1fr; gap: 6px; }
  .evidence-grid, .fact-proposal, .friction-results, .thesis-grid, .mechanism-grid, .integrator-grid { grid-template-columns: 1fr; }
  .mechanism-card-wide { grid-column: auto; }
  .reading-note { grid-template-columns: 1fr; gap: 8px; }
  .friction-controls { grid-template-columns: 1fr; }
  .article-cta { margin: 76px 0 0; padding: 38px 26px; }
  .correction-note, .article-end, .publication-footer { align-items: flex-start; flex-direction: column; }
  .library-hero { padding: 80px 0 60px; }
  .feature-card { grid-template-columns: 1fr; }
  .method-note { grid-template-columns: 1fr; padding: 34px 26px; }
  .method-note > a { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}