/* ---------- Tokens ---------- */
:root {
  --paper: #f3efe6;
  --paper-2: #eae5d7;
  --paper-3: #ddd6c2;
  --ink: #14130f;
  --ink-2: #2c2a23;
  --ink-3: #5b5749;
  --ink-4: #8a836f;
  --rule: #c8c0a8;
  --rule-2: #e2dcc8;
  --accent: oklch(46% 0.12 25);     /* oxblood */
  --accent-2: oklch(55% 0.09 60);   /* sienna */
  --highlight: oklch(86% 0.09 90);  /* faded yellow marker */
  --good: oklch(45% 0.09 145);
  --serif: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --sans: "Geist", "Söhne", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "kern";
}

/* paper grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(20,19,15,0.025) 1px, transparent 1px);
  background-size: 3px 3px;
  z-index: 2;
  mix-blend-mode: multiply;
}

/* ---------- Type ---------- */
.serif { font-family: var(--serif); font-weight: 400; }
.mono { font-family: var(--mono); }
.italic { font-style: italic; }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--ink-3);
}

a { color: inherit; text-decoration: none; }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
}
@media (max-width: 720px) {
  .wrap { padding: 0 24px; }
}

section { position: relative; }

.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding-top: 96px;
  padding-bottom: 24px;
  align-items: start;
}
.section-head .meta {
  border-top: 1px solid var(--ink);
  padding-top: 14px;
}
.section-head .meta .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
}
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  max-width: 18ch;
}
.section-head .lede {
  margin-top: 18px;
  max-width: 56ch;
  font-size: 18px;
  color: var(--ink-2);
  line-height: 1.5;
}
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; padding-top: 64px; }
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
  background: rgba(243, 239, 230, 0.85);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 48px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 12px;
}
.nav-brand .dot {
  display: inline-block; width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%;
  transform: translateY(-2px);
}
.nav-brand .sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.nav-links { display: flex; gap: 22px; }
.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "•"; margin-left: 6px; color: var(--accent);
}

/* nav demo button */
.nav-demo {
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  margin-left: 4px;
  background: var(--accent);
  color: var(--paper) !important;
  border-radius: 100px;
  letter-spacing: 0.12em !important;
  transition: background 0.15s;
}
.nav-demo:hover { background: var(--ink); }
.nav-demo .play { font-size: 9px; transform: translateY(-0.5px); }
.nav-demo.active::after { display: none; }

/* nav repo button */
.nav-repo {
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  padding: 6px 12px 6px 10px;
  margin-left: 6px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  color: var(--ink) !important;
  letter-spacing: 0.12em !important;
  transition: background 0.15s, color 0.15s;
}
.nav-repo:hover {
  background: var(--ink);
  color: var(--paper) !important;
}
.nav-repo svg { display: block; }
.nav-repo.active::after { display: none; }

/* lineage inline link */
.lineage-link {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.lineage-link:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* lineage section padding */
.lineage { padding-bottom: 40px; }

/* lede inline link — used in pillars + maturity */
.lede-link {
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.lede-link:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* source name in a lineage row */
.src-link {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.src-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.src-arrow {
  font-size: 0.75em;
  color: var(--ink-3);
  margin-left: 4px;
  transition: color 0.15s;
}
.src-link:hover .src-arrow { color: var(--accent); }

/* pillar tag turned link */
.pillar .tag.tag-link {
  display: block;
  color: var(--ink-3);
  transition: color 0.15s, border-color 0.15s;
}
.pillar .tag.tag-link:hover { color: var(--accent); border-top-color: var(--accent); }

/* novel card "from" link */
.novel-card .from.from-link {
  display: inline-block;
  color: var(--ink-3);
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.novel-card .from.from-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* footer link */
.footer-link {
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.15s, color 0.15s;
}
.footer-link:hover { border-bottom-color: var(--accent); color: var(--accent); }
@media (max-width: 760px) { .nav-links { display: none; } .nav-inner { padding: 14px 24px; }}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 80px;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: end;
}
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }

.hero-title {
  font-family: var(--serif);
  font-size: clamp(64px, 12vw, 200px);
  line-height: 0.86;
  letter-spacing: -0.025em;
  margin: 20px 0 0;
}
.hero-title .accent { color: var(--accent); font-style: italic; }
.hero-title .stroke {
  -webkit-text-stroke: 1.5px var(--ink);
  color: transparent;
  font-style: italic;
}
.hero-sub {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.18;
  color: var(--ink-2);
  margin-top: 24px;
  max-width: 28ch;
  font-style: italic;
}
.hero-meta {
  display: flex; flex-direction: column; gap: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-meta .row { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--rule); padding-bottom: 8px; }
.hero-meta .row span:last-child { color: var(--ink); }

.hero-quote {
  margin-top: 64px;
  padding: 28px 32px;
  border-left: 2px solid var(--accent);
  background: rgba(0,0,0,0.015);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-2);
  max-width: 64ch;
  font-style: italic;
}
.hero-quote cite {
  display: block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--ink-3);
}

/* compact stats strip */
.stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.stats .cell {
  padding: 18px 18px 18px 0;
  border-right: 1px solid var(--rule);
}
.stats .cell:last-child { border-right: none; }
.stats .k { font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--ink); }
.stats .v { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } .stats .cell:nth-child(2n) { border-right: none; } }

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.pillar {
  padding: 32px 28px 36px 0;
  border-right: 1px solid var(--rule);
  position: relative;
}
.pillar:last-child { border-right: none; padding-right: 0; }
.pillar:not(:first-child) { padding-left: 28px; }
.pillar .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.pillar h3 {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.02;
  margin-top: 14px;
  letter-spacing: -0.01em;
  max-width: 12ch;
}
.pillar p {
  margin-top: 18px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.55;
}
.pillar .tag {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-top: 1px dashed var(--rule);
  padding-top: 14px;
  font-style: italic;
}
@media (max-width: 880px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none; border-bottom: 1px solid var(--rule); padding: 28px 0; }
  .pillar:not(:first-child) { padding-left: 0; }
  .pillar:last-child { border-bottom: none; }
}

/* ---------- Lifecycle ---------- */
.lifecycle {
  padding-bottom: 60px;
}
.lifecycle-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 32px;
}
@media (max-width: 980px) { .lifecycle-shell { grid-template-columns: 1fr; } }

.steps {
  border-top: 1px solid var(--ink);
}
.step {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 18px;
  padding: 18px 6px 18px 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
  transition: background 0.15s, padding 0.18s;
  align-items: baseline;
}
.step:hover { background: rgba(0,0,0,0.02); }
.step.active {
  background: var(--paper-2);
  padding-left: 14px;
  padding-right: 14px;
}
.step.active::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent);
}
.step .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}
.step.active .num { color: var(--accent); }
.step .name {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.08;
  letter-spacing: -0.005em;
}
.step .cmd {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-top: 4px;
}
.step .badge {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--rule);
  border-radius: 100px;
  color: var(--ink-3);
  white-space: nowrap;
  align-self: center;
}
.step.novel .badge { color: var(--accent); border-color: var(--accent); }
.step.gate .badge { color: var(--ink); border-color: var(--ink); background: var(--highlight); }

.detail {
  position: sticky;
  top: 90px;
  align-self: start;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 28px 28px 32px;
  min-height: 520px;
}
.detail .stage {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.detail h3 {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  margin-top: 8px;
  letter-spacing: -0.01em;
}
.detail .cmd-line {
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 14px;
  color: var(--ink-2);
  background: var(--paper);
  padding: 10px 14px;
  border: 1px solid var(--rule);
  display: inline-block;
}
.detail .desc {
  margin-top: 22px;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 50ch;
}
.detail-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
}
.field .label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 6px;
  margin-bottom: 10px;
}
.field .value, .field ul {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
}
.field ul { margin: 0; padding: 0; list-style: none; }
.field ul li {
  font-family: var(--mono);
  font-size: 12px;
  padding: 3px 0;
  color: var(--ink-2);
}
.field ul li::before {
  content: "›"; color: var(--accent); margin-right: 8px;
}
.detail .tier-tag,
.tier-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px; border-radius: 100px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  white-space: nowrap;
}
.tier-tag.t1 { background: oklch(94% 0.04 65); color: oklch(40% 0.09 65); }
.tier-tag.t2 { background: oklch(93% 0.04 200); color: oklch(38% 0.09 220); }
.tier-tag.t3 { background: oklch(92% 0.03 280); color: oklch(36% 0.09 280); }
.tier-tag.auto { background: var(--paper-3); color: var(--ink-3); }
.tier-tag.gate { background: var(--highlight); color: var(--ink); }

/* ---------- Tiers ---------- */
.tiers {
  padding-bottom: 60px;
}
.tier-tabs {
  display: flex;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  margin-top: 32px;
}
.tier-tab {
  flex: 1;
  padding: 22px 24px;
  border-right: 1px solid var(--rule);
  cursor: pointer;
  text-align: left;
  background: transparent;
  border-top: none; border-bottom: none; border-left: none;
  font-family: inherit;
  position: relative;
  transition: background 0.18s;
}
.tier-tab:last-child { border-right: none; }
.tier-tab .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tier-tab .name {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.05;
  margin-top: 8px;
  color: var(--ink-2);
}
.tier-tab .who {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 10px;
  font-style: italic;
}
.tier-tab.active {
  background: var(--paper-2);
}
.tier-tab.active .name { color: var(--ink); }
.tier-tab.active::after {
  content: "";
  position: absolute; left: 0; top: 0; right: 0;
  height: 3px; background: var(--accent);
}

.tier-detail {
  margin-top: 0;
  padding: 36px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-top: none;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
}
@media (max-width: 880px) {
  .tier-tabs { flex-direction: column; }
  .tier-tab { border-right: none; border-bottom: 1px solid var(--rule); }
  .tier-detail { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
}

.tier-quote {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.18;
  font-style: italic;
  color: var(--ink);
  max-width: 24ch;
}
.tier-quote .em { color: var(--accent); }
.tier-list { display: grid; grid-template-columns: 1fr; gap: 18px; }
.tier-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.tier-col h4 .glyph { font-family: var(--serif); font-size: 14px; color: var(--accent); }
.tier-col h4.no .glyph { color: var(--ink-4); }
.tier-col ul { padding: 0; margin: 0; list-style: none; }
.tier-col ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--rule);
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-2);
}
.tier-col.no ul li { color: var(--ink-4); text-decoration: line-through; }

/* approval gate diagram */
.gate-diagram {
  margin-top: 36px;
  padding: 28px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 28px;
  align-items: center;
}
.gate-diagram .col h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.gate-diagram .doc {
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  margin-bottom: 8px;
  display: flex; justify-content: space-between; align-items: center;
}
.gate-diagram .doc .tag {
  font-size: 9px; letter-spacing: 0.16em;
  padding: 2px 8px; border-radius: 100px;
}
.gate-diagram .arrow {
  font-family: var(--mono);
  font-size: 40px;
  color: var(--accent);
  font-weight: 300;
}
.gate-diagram .verdict {
  padding: 16px;
  border: 1px solid var(--ink);
  text-align: center;
}
.gate-diagram .verdict .label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3);
}
.gate-diagram .verdict .all {
  font-family: var(--serif); font-size: 24px;
  margin-top: 4px;
}

@media (max-width: 880px) {
  .gate-diagram { grid-template-columns: 1fr; }
  .gate-diagram .arrow { transform: rotate(90deg); text-align: center; }
}

/* ---------- Maturity ---------- */
.maturity { padding-bottom: 80px; }
.ladder {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 980px) { .ladder { grid-template-columns: 1fr; } }

.ladder-rail {
  position: relative;
  padding-left: 60px;
  border-left: 1px solid var(--ink);
}
.ladder-step {
  position: relative;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: opacity 0.2s;
}
.ladder-step::before {
  content: "";
  position: absolute;
  left: -67px;
  top: 32px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink);
}
.ladder-step.active::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--paper), 0 0 0 6px var(--accent);
}
.ladder-step .lv {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.ladder-step.active .lv { color: var(--accent); }
.ladder-step h4 {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.1;
  margin-top: 4px;
  color: var(--ink-3);
}
.ladder-step.active h4 { color: var(--ink); }

.ladder-detail {
  position: sticky; top: 90px; align-self: start;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 32px;
  min-height: 420px;
}
.ladder-detail .level-num {
  font-family: var(--serif);
  font-size: 88px;
  line-height: 0.9;
  color: var(--accent);
  font-style: italic;
}
.ladder-detail h3 {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 1.05;
  margin-top: 8px;
  max-width: 16ch;
}
.ladder-detail .desc { margin-top: 18px; color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.ladder-detail .use {
  margin-top: 22px; padding: 14px 18px;
  background: var(--highlight);
  font-family: var(--mono); font-size: 12px;
  line-height: 1.4;
}
.ladder-detail .use .lbl {
  display: block;
  font-size: 9px; letter-spacing: 0.18em;
  text-transform: uppercase; margin-bottom: 4px;
}
.who-approves {
  margin-top: 22px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.who-approves h5 {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 12px;
}
.who-approves .bar {
  display: flex; height: 14px;
  border: 1px solid var(--ink);
}
.who-approves .seg {
  font-family: var(--mono); font-size: 9px;
  letter-spacing: 0.1em;
  display: flex; align-items: center; justify-content: center;
  border-right: 1px solid var(--ink);
  color: var(--ink);
}
.who-approves .seg:last-child { border-right: none; }
.who-approves .seg.h { background: var(--paper-3); }
.who-approves .seg.a { background: var(--accent); color: var(--paper); }
.who-approves .legend {
  display: flex; gap: 16px; margin-top: 10px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; color: var(--ink-3);
}
.who-approves .legend .sw {
  display: inline-block; width: 10px; height: 10px;
  margin-right: 6px; vertical-align: middle;
}
.who-approves .legend .sw.h { background: var(--paper-3); border: 1px solid var(--ink); }
.who-approves .legend .sw.a { background: var(--accent); border: 1px solid var(--accent); }

/* ---------- Novel ---------- */
.novel-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
}
.novel-card {
  padding: 28px 28px 28px 0;
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  position: relative;
}
.novel-card:nth-child(2n) { padding-right: 0; padding-left: 28px; border-right: none; }
.novel-card:nth-child(2n+1) { padding-right: 28px; }
.novel-card .ix {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.novel-card h3 {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.08;
  margin-top: 10px;
  max-width: 22ch;
}
.novel-card p {
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.55;
}
.novel-card .from {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-style: italic;
}
@media (max-width: 760px) {
  .novel-grid { grid-template-columns: 1fr; }
  .novel-card, .novel-card:nth-child(2n) { padding: 24px 0; border-right: none; }
}

/* ---------- Reference ---------- */
.reference { padding-bottom: 120px; }
.cmd-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.cmd {
  background: var(--paper);
  padding: 18px 18px 22px;
  transition: background 0.18s;
}
.cmd:hover { background: var(--paper-2); }
.cmd .name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  font-weight: 500;
}
.cmd .phase {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 4px;
}
.cmd .desc {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-2);
}
@media (max-width: 760px) { .cmd-grid { grid-template-columns: 1fr; } }

/* Subhead within reference */
.subhead {
  margin-top: 64px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
}
.subhead .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.subhead h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-top: 10px;
  max-width: 22ch;
}

/* Agent fleet grid */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-top: none;
}
.agent-cell {
  background: var(--paper);
  padding: 22px 22px 24px;
  transition: background 0.18s;
}
.agent-cell:hover { background: var(--paper-2); }
.agent-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--rule);
}
.agent-name {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.005em;
}
.agent-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.agent-list {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--ink-3);
  word-spacing: 2px;
}
@media (max-width: 880px) { .agent-grid { grid-template-columns: 1fr; } }

/* Tooling grid */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-top: none;
}
.tool-cell {
  background: var(--paper);
  padding: 22px 22px 24px;
}
.tool-cell.wide {
  grid-column: 1 / -1;
  background: var(--paper-2);
}
.tool-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
}
.tool-name strong {
  color: var(--ink);
  font-weight: 600;
}
.tool-desc {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
}
.tool-desc .mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}
@media (max-width: 720px) { .tool-grid { grid-template-columns: 1fr; } }

/* ---------- Compare / Position ---------- */
.compare { padding-bottom: 40px; }
.compare-eyebrow {
  margin-top: 48px;
  border-top: 1px solid var(--ink);
  padding-top: 18px;
}
.compare-eyebrow.second {
  margin-top: 72px;
}
.ce-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.compare-eyebrow h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-top: 8px;
  max-width: 24ch;
}
.compare-eyebrow p {
  margin-top: 12px;
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 64ch;
}

.compare-table-wrap {
  margin-top: 26px;
  overflow-x: auto;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 760px;
}
.compare-table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--ink);
  vertical-align: bottom;
  white-space: nowrap;
}
.compare-table thead th.sad-col {
  color: var(--accent);
  font-size: 14px;
  font-family: var(--serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: -0.005em;
}
.compare-table tbody td {
  padding: 14px 12px 14px 0;
  border-bottom: 1px dashed var(--rule);
  vertical-align: top;
  color: var(--ink-2);
}
.compare-table tr:hover td {
  background: rgba(0,0,0,0.014);
}
.compare-table .dim-col {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
  width: 30%;
  padding-right: 24px;
}
.compare-table td.sad-col {
  background: rgba(0,0,0,0.025);
}
.compare-table .c-yes {
  color: var(--good);
  font-weight: 500;
}
.compare-table .c-no {
  color: var(--ink-4);
}
.compare-table .c-text {
  font-size: 12.5px;
  color: var(--ink-3);
  font-style: italic;
}
.compare-table .c-sad {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.compare-footnote {
  margin-top: 14px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Irreducible block */
.irreducible {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 36px 0;
  background: linear-gradient(to bottom, var(--paper-2) 0%, var(--paper) 100%);
  padding: 36px;
}
@media (max-width: 880px) {
  .irreducible { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
}
.irr-body p {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.irr-body p:last-child { margin-bottom: 0; }
.irr-body p.emph {
  font-size: 22px;
  color: var(--ink);
  font-style: italic;
}
.irr-body p.emph strong {
  font-style: normal;
  font-weight: 400;
  background: var(--highlight);
  padding: 0 4px;
}

.irr-keep {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}
.irr-keep-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.irr-keep ul {
  list-style: none; padding: 0; margin: 0;
}
.irr-keep ul li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 13.5px;
}
.irr-keep ul.optional li { color: var(--ink-3); }
.keep-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
}
.irr-keep ul.optional .keep-name { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--ink-4); }
.keep-why {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- Lineage ---------- */
.lineage-group {
  margin-top: 56px;
}
.lineage-head {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: baseline;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 18px;
  margin-bottom: 0;
}
.lineage-ix {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.lineage-title h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 22ch;
}
.lineage-title p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--ink-3);
  font-style: italic;
  max-width: 56ch;
}
@media (max-width: 720px) {
  .lineage-head { grid-template-columns: 1fr; gap: 8px; }
}

.lineage-table {
  border-bottom: 1px solid var(--rule);
}
.lineage-row {
  display: grid;
  grid-template-columns: 230px 1fr 120px;
  gap: 28px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--rule);
  align-items: baseline;
  transition: background 0.15s, padding 0.15s;
}
.lineage-row:hover {
  background: rgba(0,0,0,0.018);
  padding-left: 10px; padding-right: 10px;
}
.lineage-row:last-child { border-bottom: none; }
.lineage-row .src {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.005em;
}
.lineage-row .took {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.lineage-row .lic {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
  white-space: nowrap;
}
@media (max-width: 880px) {
  .lineage-row { grid-template-columns: 1fr; gap: 6px; }
  .lineage-row .lic { text-align: left; }
}

.lineage-foot {
  margin-top: 64px;
  padding: 32px 36px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink-2);
  max-width: 68ch;
}
.lineage-foot cite {
  display: block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--ink-3);
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--ink);
  padding: 56px 0 72px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
footer .colophon {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 760px) { footer .colophon { grid-template-columns: 1fr; gap: 24px; } }
footer h5 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); margin-bottom: 14px; }
footer p { line-height: 1.7; }
footer .big {
  font-family: var(--serif);
  font-size: 56px;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
  margin-top: 6px;
}
footer .big .it { font-style: italic; color: var(--accent); }