/* AI Limits — editorial manifesto */
:root {
  --paper: #f4f1ea;
  --paper-2: #ece7dc;
  --ink: #14110d;
  --ink-soft: #2a2620;
  --muted: #6b6358;
  --rule: #1a1714;
  --accent: #8a4a1f;       /* oxide / ochre */
  --accent-soft: #b87a4a;
  --highlight: #e8dfc9;
  --serif: "Source Serif 4", "Source Serif Pro", "Iowan Old Style", "Palatino", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern", "liga", "onum";
}

a { color: inherit; }

::selection { background: var(--ink); color: var(--paper); }

/* ---------- Top masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 18px 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 50;
}
.masthead .brand {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.masthead .brand b { font-style: normal; font-weight: 700; }
.masthead nav { display: flex; gap: 28px; }
.masthead nav a { text-decoration: none; opacity: 0.7; transition: opacity 0.2s; }
.masthead nav a:hover { opacity: 1; }
.masthead .meta { color: var(--muted); }

/* ---------- Layout primitives ---------- */
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.measure { max-width: 660px; }
.measure-wide { max-width: 820px; }

/* ---------- Hero ---------- */
.hero {
  border-bottom: 1px solid var(--rule);
  padding: 80px 32px 100px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: end;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex;
  gap: 18px;
  align-items: center;
}
.hero-eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 36px;
  text-wrap: balance;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero .lede {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 520px;
}
.hero .lede:first-letter {
  font-size: 64px;
  float: left;
  line-height: 0.85;
  padding-right: 10px;
  padding-top: 6px;
  font-weight: 600;
}
.hero-aside {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 1px solid var(--rule);
  padding: 4px 0 4px 24px;
  max-width: 360px;
  align-self: end;
}
.hero-aside .key {
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 4px;
}
.hero-aside p { margin: 0 0 16px; }

/* ---------- Thesis band ---------- */
.thesis {
  border-bottom: 1px solid var(--rule);
  padding: 80px 32px;
  background: var(--ink);
  color: var(--paper);
}
.thesis .wrap { display: grid; grid-template-columns: 200px 1fr; gap: 60px; }
.thesis .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  padding-top: 14px;
}
.thesis .body p {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.4;
  margin: 0 0 24px;
  letter-spacing: -0.005em;
}
.thesis .body p:last-child { margin-bottom: 0; }
.thesis .body em { color: var(--accent-soft); font-style: italic; }
.thesis .body cite {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(244, 241, 234, 0.5);
  font-style: normal;
  display: block;
  margin-top: 18px;
  letter-spacing: 0.04em;
}

/* ---------- Index of provocations ---------- */
.index {
  border-bottom: 1px solid var(--rule);
  padding: 60px 32px 20px;
}
.index-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 18px;
}
.index-head h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 36px;
  margin: 0;
  letter-spacing: -0.01em;
}
.index-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.toc {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
}
.toc a {
  display: block;
  padding: 24px 18px 28px 0;
  text-decoration: none;
  border-right: 1px solid var(--rule);
  transition: background 0.15s;
}
.toc a:last-child { border-right: none; }
.toc a:hover { background: var(--paper-2); }
.toc .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 12px;
}
.toc .ttl {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--ink);
  font-weight: 500;
}

/* ---------- Case (chapter) ---------- */
.case {
  border-bottom: 1px solid var(--rule);
  padding: 110px 0 120px;
  position: relative;
  overflow: hidden;
}
.case .wrap {
  max-width: 1440px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 280px;
  gap: 64px;
  align-items: start;
  position: relative;
}
.case .rail {
  position: sticky;
  top: 92px;
  text-align: right;
  padding-right: 4px;
}
.case .rail .glyph {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 168px;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--accent);
  display: block;
  margin-bottom: 18px;
  font-feature-settings: "lnum";
}
.case .rail .field-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 5px 10px;
  margin-bottom: 14px;
}
.case .rail .rail-meta {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.case .margin {
  position: sticky;
  top: 92px;
  border-top: 1px solid var(--rule);
  padding: 18px 0 0;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.case .margin .m-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.case .margin .m-quote {
  font-style: italic;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 14px;
  text-wrap: balance;
}
.case .margin p { margin: 0 0 10px; }
.case .margin .m-cite {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 10px;
}
.case-num {
  display: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.case-num .field {
  color: var(--muted);
  margin-left: 16px;
}
.case h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.018em;
  margin: 0 0 36px;
  max-width: 900px;
  text-wrap: balance;
}
.case h3 em { font-style: italic; color: var(--accent); }

.case-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
  align-items: start;
}
.case-body--single {
  grid-template-columns: minmax(0, 1fr);
}
.case-body .prose p {
  margin: 0 0 22px;
  font-size: 19px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.case-body .prose p.lead {
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 28px;
}
.case-body .prose blockquote {
  margin: 32px 0;
  padding: 0 0 0 28px;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
}
.case-body .prose blockquote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  letter-spacing: 0.04em;
}

.case aside {
  position: sticky;
  top: 90px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}
.case aside .panel {
  border: 1px solid var(--rule);
  padding: 22px 22px 26px;
  background: var(--paper);
  margin-bottom: 18px;
}
.case aside h4 {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 14px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.case aside h4::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  margin-left: 12px;
}
.case aside .row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dotted rgba(20, 17, 13, 0.2);
  padding: 8px 0;
  gap: 12px;
}
.case aside .row:last-child { border-bottom: none; }
.case aside .row .k { color: var(--muted); flex-shrink: 0; }
.case aside .row .v { color: var(--ink); text-align: right; }
.case aside .figure {
  margin-top: 8px;
  padding: 18px 22px;
  background: var(--ink);
  color: var(--paper);
}
.case aside .figure .big {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--accent-soft);
  display: block;
  margin-bottom: 6px;
}
.case aside .figure .cap {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
  color: rgba(244, 241, 234, 0.7);
}

/* alternate case background variants for rhythm */
.case--shaded { background: var(--paper-2); }
.case--ink { background: var(--ink); color: var(--paper); }
.case--ink .case-num { color: var(--accent-soft); }
.case--ink .case-num .field { color: rgba(244, 241, 234, 0.5); }
.case--ink .rail .glyph { color: var(--accent-soft); }
.case--ink .rail .field-tag { color: var(--paper); border-color: rgba(244, 241, 234, 0.3); }
.case--ink .rail .rail-meta { color: rgba(244, 241, 234, 0.5); border-top-color: rgba(244, 241, 234, 0.18); }
.case--ink .margin { border-top-color: rgba(244, 241, 234, 0.22); color: rgba(244, 241, 234, 0.78); }
.case--ink .margin .m-label { color: var(--accent-soft); }
.case--ink .margin .m-quote { color: var(--paper); }
.case--ink .margin .m-cite { color: rgba(244, 241, 234, 0.5); }
.case--ink h3 { color: var(--paper); }
.case--ink h3 em { color: var(--accent-soft); }
.case--ink .case-body .prose p { color: rgba(244, 241, 234, 0.85); }
.case--ink .case-body .prose p.lead { color: var(--paper); }
.case--ink .case-body .prose blockquote { color: var(--paper); border-left-color: var(--accent-soft); }
.case--ink .case-body .prose blockquote cite { color: rgba(244, 241, 234, 0.5); }
.case--ink aside .panel { background: rgba(244, 241, 234, 0.04); border-color: rgba(244, 241, 234, 0.18); }
.case--ink aside h4 { color: var(--paper); }
.case--ink aside h4::after { background: rgba(244, 241, 234, 0.18); }
.case--ink aside .row { border-bottom-color: rgba(244, 241, 234, 0.12); }
.case--ink aside .row .k { color: rgba(244, 241, 234, 0.5); }
.case--ink aside .row .v { color: var(--paper); }
.case--ink aside .figure { background: var(--paper); color: var(--ink); }
.case--ink aside .figure .big { color: var(--accent); }
.case--ink aside .figure .cap { color: var(--muted); }

/* drop cap on first paragraph of each case lead */
.case-body .prose p.lead::first-letter {
  font-family: var(--serif);
  font-size: 64px;
  float: left;
  line-height: 0.82;
  padding: 6px 10px 0 0;
  font-weight: 600;
  color: var(--accent);
}
.case--ink .case-body .prose p.lead::first-letter { color: var(--accent-soft); }

/* ---------- Pull-quote interstitial ---------- */
.pull {
  padding: 90px 32px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.pull .wrap { max-width: 1080px; }
.pull-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(220px, 1fr);
  gap: 64px;
  align-items: end;
}
.pull-aside {
  border-left: 1px solid var(--rule);
  padding: 4px 0 6px 24px;
  align-self: end;
  max-width: 320px;
}
.pull-mark {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.pull-aside p {
  margin: 0;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.pull blockquote {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}
.pull blockquote em { color: var(--accent); }
.pull cite {
  display: block;
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-style: normal;
}

/* ---------- CTA ---------- */
.cta {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
  border-bottom: 1px solid var(--rule);
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: start;
}
.cta h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.cta h2 em { color: var(--accent-soft); font-style: italic; }
.cta p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  color: rgba(244, 241, 234, 0.78);
  margin: 0 0 18px;
}
.cta-form {
  border: 1px solid rgba(244, 241, 234, 0.18);
  padding: 32px;
  background: rgba(244, 241, 234, 0.03);
}
.cta-form .field-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}
.cta-form label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(244, 241, 234, 0.6);
}
.cta-form input,
.cta-form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(244, 241, 234, 0.25);
  padding: 10px 0;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  width: 100%;
  outline: none;
  resize: none;
  transition: border-color 0.2s;
}
.cta-form input:focus,
.cta-form textarea:focus { border-bottom-color: var(--accent-soft); }
.cta-form textarea { min-height: 90px; }
.cta-form .submit {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--accent);
  color: var(--paper);
  border: none;
  padding: 14px 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}
.cta-form .submit:hover { background: var(--accent-soft); }
.cta-form .submit .arrow { font-family: var(--serif); font-size: 16px; }

.cta-tags {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cta-tags .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  border: 1px solid rgba(244, 241, 234, 0.2);
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.15s;
  color: rgba(244, 241, 234, 0.7);
}
.cta-tags .tag:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.cta-tags .tag.active { background: var(--accent); color: var(--paper); border-color: var(--accent); }

.cta-success {
  display: none;
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.45;
  color: var(--paper);
  padding: 32px;
  border: 1px solid var(--accent-soft);
  margin-top: 18px;
}
.cta-success.visible { display: block; }
.cta-success cite {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent-soft);
  display: block;
  margin-top: 12px;
}

/* ---------- Colophon ---------- */
.colophon {
  padding: 60px 32px 80px;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}
.colophon .wrap { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.colophon h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 14px;
}
.colophon p { margin: 0 0 12px; }
.colophon ol { margin: 0; padding-left: 18px; font-size: 11px; line-height: 1.6; }
.colophon ol li { margin-bottom: 8px; }
.colophon a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
.colophon a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ============================================================
   v2: above-the-fold hero with 6 story cards
   ============================================================ */
.hero-v2 {
  border-bottom: 1px solid var(--rule);
  padding: 28px 32px 36px;
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: stretch;
}
.hero-v2-inner {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero-v2-h1 {
  width: 100%;
  margin: 0;
}
.hero-v2-subrow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-top: 4px;
}
.hero-v2-eyebrow .eyebrow-rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
  display: inline-block;
  margin: 0 6px;
}
.hero-v2-eyebrow .eyebrow-meta {
  color: var(--ink);
  font-family: var(--mono);
  letter-spacing: 0.1em;
}
.hero-v2-jump {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s, transform 0.15s;
}
.hero-v2-jump:hover { color: var(--accent); transform: translateX(2px); }
.hero-v2-sub { max-width: 64ch; }
.hero-v2-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  gap: 14px;
  align-items: center;
}
.hero-v2-eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero-v2 h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7.4vw, 116px);
  line-height: 0.94;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}
.hero-v2 h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero-v2-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.4;
  color: var(--ink-soft);
  margin: 0;
}
.hero-v2-sub em { color: var(--accent); font-style: italic; }

/* 6-card grid */
.cards {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  width: 100%;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  margin-top: 4px;
}
.cards .card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  padding: 20px 18px 22px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  transition: background 0.18s, transform 0.18s;
  opacity: 0;
  animation: cardIn 0.5s ease-out forwards;
  min-height: 220px;
  position: relative;
}
.cards .card:hover {
  background: var(--paper-2);
}
.cards .card:hover .card-num {
  color: var(--accent);
}
.cards .card::after {
  content: "→";
  position: absolute;
  bottom: 16px;
  right: 18px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.18s, transform 0.18s;
}
.cards .card:hover::after {
  opacity: 1;
  color: var(--accent);
  transform: translateX(4px);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  transition: color 0.18s;
}
.card-field {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.card-ttl {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin-top: auto;
  padding-right: 14px;
  text-wrap: balance;
}
.card-ttl em {
  font-style: italic;
  color: var(--accent);
}

.hero-v2-foot {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  flex-wrap: wrap;
  margin-top: 4px;
}
.hero-v2-foot .scroll-hint {
  margin-left: auto;
  color: var(--ink);
}

/* ---------- Sources section ---------- */
.sources {
  background: var(--paper);
  padding: 80px 32px 90px;
  border-bottom: 1px solid var(--rule);
}
.sources .wrap { max-width: 1280px; }
.sources-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 18px;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.sources-head h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 44px);
  letter-spacing: -0.01em;
  margin: 0;
}
.sources-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.sources-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.src-col h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.src-col ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: src;
}
.src-col ol li {
  counter-increment: src;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  padding: 10px 0 10px 28px;
  border-bottom: 1px dotted rgba(20, 17, 13, 0.18);
  position: relative;
}
.src-col ol li::before {
  content: counter(src, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.src-col ol li b { font-weight: 600; color: var(--ink); }
.src-col ol li em { font-style: italic; }

/* ---------- Contribute (the seventh) ---------- */
.contribute {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px 120px;
  position: relative;
  overflow: hidden;
}
.contribute::before {
  content: "07";
  position: absolute;
  right: -40px;
  top: -50px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 520px;
  line-height: 1;
  color: rgba(184, 122, 74, 0.08);
  pointer-events: none;
  user-select: none;
}
.contribute-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.contribute-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  padding: 6px 14px;
  margin-bottom: 28px;
}
.contribute h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 6.4vw, 88px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  text-wrap: balance;
}
.contribute h2 em {
  font-style: italic;
  color: var(--accent-soft);
}
.contribute-lede {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  color: rgba(244, 241, 234, 0.82);
  margin: 0 0 44px;
  max-width: 60ch;
}

.contrib-form {
  border-top: 1px solid rgba(244, 241, 234, 0.18);
  padding-top: 32px;
  margin-bottom: 24px;
}
.contrib-label {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 14px;
}
.contrib-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  padding: 4px 10px;
}
.contrib-prompt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--paper);
}
.contrib-form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(244, 241, 234, 0.3);
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
  padding: 16px 0 18px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}
.contrib-form textarea::placeholder { color: rgba(244, 241, 234, 0.35); font-style: italic; }
.contrib-form textarea:focus { border-bottom-color: var(--accent-soft); }

.contrib-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
}
.contrib-row input {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(244, 241, 234, 0.25);
  padding: 12px 0;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 17px;
  outline: none;
  transition: border-color 0.2s;
}
.contrib-row input::placeholder { color: rgba(244, 241, 234, 0.4); }
.contrib-row input:focus { border-bottom-color: var(--accent-soft); }

.contrib-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.contrib-submit {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--accent);
  color: var(--paper);
  border: none;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.contrib-submit:hover { background: var(--accent-soft); transform: translateX(2px); }
.contrib-submit .arrow { font-family: var(--serif); font-size: 18px; }
.contrib-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(244, 241, 234, 0.55);
}

.contrib-success {
  display: none;
  border: 1px solid var(--accent-soft);
  padding: 32px 36px;
  margin-bottom: 32px;
  background: rgba(184, 122, 74, 0.06);
}
.contrib-success.visible { display: block; }
.contrib-success .success-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  padding: 4px 10px;
  margin-bottom: 16px;
}
.contrib-success p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--paper);
  margin: 0 0 12px;
}
.contrib-success cite {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent-soft);
}

.contribute-side {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(244, 241, 234, 0.18);
}
.side-block h6 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin: 0 0 12px;
}
.side-block p {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.5;
  color: rgba(244, 241, 234, 0.78);
  margin: 0;
}

/* ---------- Reading-progress bar ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 100;
  width: 0%;
  transition: width 0.05s linear;
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .sources-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .contribute-side { grid-template-columns: 1fr; gap: 28px; }
  .contrib-row { grid-template-columns: 1fr 1fr; }
  .hero-v2-subrow { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .pull-grid { grid-template-columns: 1fr; gap: 28px; }
  .pull-aside { border-left: none; border-top: 1px solid var(--rule); padding: 18px 0 0; max-width: none; }
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .case-body { grid-template-columns: 1fr; gap: 40px; }
  .case aside { position: static; }
  .colophon .wrap { grid-template-columns: 1fr 1fr; }
  .hero-v2 { min-height: 0; padding: 36px 24px 56px; }
  .case { padding: 80px 0 90px; }
  .case .wrap { grid-template-columns: 120px minmax(0, 1fr) 220px; gap: 36px; padding: 0 28px; }
  .case .rail .glyph { font-size: 110px; }
}
@media (max-width: 880px) {
  .case .wrap { grid-template-columns: 1fr; gap: 28px; }
  .case .rail { position: static; text-align: left; display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
  .case .rail .glyph { font-size: 72px; margin: 0; }
  .case .margin { position: static; }
}
@media (max-width: 720px) {
  body { font-size: 17px; }
  .masthead nav { display: none; }
  .hero-v2 { padding: 28px 20px 48px; }
  .hero-v2 h1 { font-size: clamp(36px, 9vw, 56px); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .cards .card { min-height: 180px; }
  .case { padding: 60px 22px; }
  .sources { padding: 60px 22px 70px; }
  .sources-grid { grid-template-columns: 1fr; }
  .colophon .wrap { grid-template-columns: 1fr; }
  .pull { padding: 60px 22px; }
  .contribute { padding: 70px 22px 90px; }
  .contribute h2 { font-size: 44px; }
  .contrib-row { grid-template-columns: 1fr; gap: 14px; }
  .contribute::before { font-size: 320px; right: -60px; top: -20px; }
}