/* costs.lyra-forge.com — publication system.
   Shares the IBM Plex typographic register of the Lyra Forge publication family;
   the palette is subject-specific: paper canvas, steel-blue trace, copper signal. */
:root {
  --canvas: #ece9e3;
  --field: #f9f8f5;
  --field-strong: #ffffff;
  --ink: #1e2430;
  --muted: #56606f;
  --rule: #c2beb5;
  --rule-strong: #6f7480;
  --trace: #2f5d7c;
  --trace-dark: #22465f;
  --trace-pale: #dae3ea;
  --signal: #9a5a20;
  --signal-pale: #eeddc9;
  --boundary: #e8e0d4;
  --display: "IBM Plex Sans Condensed", "Roboto Condensed", sans-serif;
  --body: "IBM Plex Sans", "Source Sans 3", system-ui, sans-serif;
  --reading: Georgia, "Times New Roman", serif;
  --utility: "IBM Plex Mono", ui-monospace, monospace;
  --frame: min(1120px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.58 var(--body);
  text-rendering: optimizeLegibility;
}
a { color: var(--trace-dark); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--signal); text-decoration-thickness: 2px; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }
h1, h2, h3 { text-wrap: balance; }

.global-header,
.masthead-inner,
main,
.site-footer,
.site-bar,
.report-shell,
.updates-shell,
.part-shell { width: var(--frame); margin-inline: auto; }

/* Publication register */
.global-header {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--rule);
}
.global-brand {
  display: inline-flex;
  min-height: 44px;
  align-items: flex-start;
  color: var(--ink);
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.04;
  text-decoration: none;
}
.brand-mark {
  display: inline-block;
  margin-right: 10px;
  color: var(--signal);
  font: 600 1.12rem/1 var(--display);
  letter-spacing: -.04em;
}
.global-header nav { display: flex; align-items: stretch; gap: 24px; }
.global-header nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding-top: 2px;
  border-bottom: 2px solid transparent;
  color: var(--ink);
  font: 600 .72rem/1 var(--utility);
  letter-spacing: .015em;
  text-decoration: none;
}
.global-header nav a:hover { border-bottom-color: var(--signal); color: var(--ink); }
.global-header--backstage { border-bottom-color: var(--rule-strong); }
.global-header--backstage .global-brand { color: var(--trace-dark); }

.eyebrow,
.section-label,
.report-context,
.card-eyebrow,
.list-label {
  margin: 0 0 14px;
  color: var(--trace);
  font: 600 .69rem/1.25 var(--utility) !important;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 13px 16px 11px;
  border-radius: 0;
  background: var(--ink);
  color: white;
  font: 600 .76rem/1.35 var(--utility);
  letter-spacing: .01em;
  text-decoration: none;
}
.button:hover { background: var(--signal); color: white; }
.text-link,
.card-link,
.external-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--ink);
  font: 600 .76rem/1.4 var(--utility);
}

/* Landing composition */
.masthead { border-bottom: 1px solid var(--rule); background: var(--field); }
.masthead-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: clamp(56px, 8vw, 124px);
  align-items: end;
  padding: clamp(72px, 9vw, 124px) 0 clamp(62px, 8vw, 108px);
}
h1 {
  max-width: 900px;
  margin: 0;
  font: 500 clamp(3rem, 6vw, 5.9rem)/.91 var(--display);
  font-stretch: condensed;
  letter-spacing: -.035em;
}
.home-page h1 { max-width: 800px; }
.home-page h1 span { color: var(--trace); }
.dek {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--ink);
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.46;
}
.start-links { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 34px; }

.evidence-trace { margin: 0; padding: 20px 0 0; border-top: 4px solid var(--ink); }
.evidence-trace figcaption { max-width: 33ch; color: var(--muted); font-size: .82rem; line-height: 1.42; }
.evidence-trace figcaption span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font: 600 .68rem/1.1 var(--utility);
  letter-spacing: .045em;
  text-transform: uppercase;
}
.evidence-trace ol { margin: 30px 0 0; padding: 0; list-style: none; }
.evidence-trace li {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 16px;
  min-height: 48px;
  padding: 4px 0 14px 23px;
  border-left: 1px solid var(--rule);
}
.evidence-trace li::before {
  position: absolute;
  top: 7px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--field);
  border-radius: 50%;
  background: var(--trace);
  box-shadow: 0 0 0 1px var(--trace);
  content: "";
}
.evidence-trace .trace-end::before { background: var(--signal); box-shadow: 0 0 0 1px var(--signal); }
.evidence-trace strong { color: var(--ink); font: 600 .72rem/1.25 var(--utility); text-transform: uppercase; }
.evidence-trace li span { color: var(--muted); font-size: .76rem; line-height: 1.35; }

main { padding: 0 0 96px; }
.intro {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: clamp(48px, 9vw, 132px);
  padding: clamp(64px, 8vw, 100px) 0;
  border-bottom: 1px solid var(--rule);
}
.intro h2,
.section-heading-inline h2,
.split-section h2,
.library-callout h2,
.page-shell .section > h2,
.part-shell .section > h2,
.audience-resources h2,
.entity-shell .section > h2,
.updates-group > h2 {
  margin: 0;
  font: 500 clamp(2rem, 3.8vw, 3.45rem)/1 var(--display);
  font-stretch: condensed;
  letter-spacing: -.025em;
}
.intro > p { max-width: 700px; margin: 0; color: var(--ink); font-size: 1rem; line-height: 1.62; }
.section { padding-top: clamp(66px, 8vw, 104px); }
.section-heading-inline { display: flex; align-items: start; justify-content: space-between; gap: 48px; }
.section-heading-inline > a { flex: none; color: var(--ink); font: 600 .72rem/1.45 var(--utility); }
.section-copy { max-width: 52ch; color: var(--muted); }
.section--tinted {
  margin-top: clamp(72px, 9vw, 120px);
  padding: clamp(38px, 5vw, 64px);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--signal);
  background: var(--field);
}
.split-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(40px, 8vw, 100px);
  border-top: 1px solid var(--rule);
}
.library-callout {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 48px;
  align-items: end;
  margin-top: 84px;
  padding: 44px 0;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.library-callout p { max-width: 65ch; margin-bottom: 0; color: var(--muted); }
.callout-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; }

/* Flat destination system */
.card-grid { display: grid; gap: clamp(20px, 3vw, 42px); margin-top: 32px; }
.card-grid--visuals,
.card-grid--audiences,
.card-grid--entity-index,
.card-grid--route { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--audience-index,
.card-grid--collections,
.card-grid--backstage,
.card-grid--reports { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  padding: 22px 0 12px;
  border: 0;
  border-top: 3px solid var(--ink);
  background: transparent;
}
.card:nth-child(3n + 2) { border-top-color: var(--trace); }
.card:nth-child(3n) { border-top-color: var(--signal); }
.card--compact { min-height: 190px; }
.card h3 { margin: 0 0 14px; font: 500 1.6rem/1.02 var(--display); letter-spacing: -.02em; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--signal); text-decoration: underline; }
.card p { margin: 0 0 22px; color: var(--muted); font-size: .9rem; line-height: 1.52; }
.card-link { margin-top: auto; }

.link-list { margin: 0; padding: 0; list-style: none; }
.link-list li { border-top: 1px solid var(--rule); }
.link-list li:last-child { border-bottom: 1px solid var(--rule); }
.link-list a { display: inline-block; min-height: 44px; padding: 12px 0 9px; color: var(--ink); font-weight: 600; }
.link-list a:visited { color: #6f405c; }
.link-list span { display: block; max-width: 70ch; padding: 0 0 15px; color: var(--muted); font-size: .88rem; }
.link-list--plain a::after { color: var(--signal); content: " ↗"; }
.link-list--inline { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.link-list--inline li,
.link-list--inline li:last-child { border: 0; }
.link-list--inline a { padding-inline: 0; }

/* Route and entity pages */
.page-shell { padding-top: 38px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font: .7rem/1.4 var(--utility); }
.breadcrumbs a { color: var(--ink); font-weight: 600; }
.page-intro,
.entity-intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  padding: clamp(58px, 8vw, 108px) 0 clamp(62px, 8vw, 104px);
}
.page-intro .eyebrow,
.entity-intro .eyebrow { grid-column: 1 / 4; }
.page-intro h1,
.entity-intro h1,
.updates-shell > h1 { grid-column: 1 / 10; max-width: 980px; font-size: clamp(3rem, 5.8vw, 5.7rem); }
.page-intro > p:last-child,
.entity-intro > p {
  grid-column: 7 / 13;
  max-width: 620px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}
.experience-list { border-top: 4px solid var(--ink); }
.experience-row {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(40px, 8vw, 110px);
  padding: 44px 0;
  border-bottom: 1px solid var(--rule);
}
.experience-row h2 { margin: 0; font: 500 clamp(1.8rem, 3vw, 2.8rem)/1 var(--display); }
.experience-row h2 a { color: var(--ink); text-decoration: none; }
.experience-row h2 a:hover { color: var(--signal); text-decoration: underline; }
.experience-row p { max-width: 65ch; color: var(--muted); }

/* Addressable research parts */
.parts-key {
  display: grid;
  grid-template-columns: .55fr 1.15fr auto;
  gap: 32px;
  align-items: start;
  padding: 24px 0;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.parts-key p { margin: 0; color: var(--muted); }
.parts-key strong { color: var(--ink); font: 500 1.5rem/1 var(--display); }
.parts-key a { font: 600 .72rem/1.4 var(--utility); }
.parts-group { padding-top: clamp(72px, 9vw, 118px); }
.parts-group + .parts-group { margin-top: 10px; border-top: 1px solid var(--rule); }
.parts-group .section-copy { margin-bottom: 0; }
.part-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 40px);
  margin-top: 34px;
}
.part-grid--route { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.part-card {
  display: flex;
  min-height: 272px;
  flex-direction: column;
  padding: 22px 0 18px;
  border-top: 3px solid var(--rule-strong);
}
.part-card:nth-child(3n + 2) { border-top-color: var(--trace); }
.part-card:nth-child(3n) { border-top-color: var(--signal); }
.part-card h3 { margin: 0 0 14px; font: 500 1.7rem/1.02 var(--display); letter-spacing: -.02em; }
.part-card h3 a { color: var(--ink); text-decoration: none; }
.part-card h3 a:hover { color: var(--signal); text-decoration: underline; }
.part-question { margin: 0 0 18px; color: var(--ink); font-size: .94rem; line-height: 1.48; }
.part-note {
  margin: 0 0 18px;
  padding: 12px 14px;
  border-left: 3px solid var(--trace);
  background: var(--trace-pale);
  color: var(--trace-dark);
  font-size: .84rem;
  line-height: 1.48;
}
.part-card .card-link { margin-top: auto; }
.part-shell { max-width: 1060px; padding: 38px 0 96px; }
.part-intro { padding: clamp(58px, 8vw, 108px) 0 clamp(54px, 7vw, 88px); }
.part-intro h1 { max-width: 850px; }
.part-lede { max-width: 800px; margin: 28px 0 0; color: var(--ink); font-size: clamp(1.25rem, 2.2vw, 1.65rem); line-height: 1.38; }
.part-intro > p:last-of-type { max-width: 720px; margin: 22px 0 0; color: var(--muted); font-size: 1.02rem; }
.part-actions { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; margin-top: 32px; }
.part-actions > a:not(.button) { display: inline-flex; min-height: 44px; align-items: center; font: 600 .75rem/1.4 var(--utility); }
.part-definition {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 4px solid var(--ink);
  border-left: 1px solid var(--rule);
}
.part-definition article { min-height: 190px; padding: 26px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--field); }
.part-definition article p:last-child { margin-bottom: 0; }
.part-definition .definition-boundary { background: var(--boundary); }
.part-definition .part-coordinate { grid-column: 1 / -1; min-height: 0; background: transparent; }
.part-coordinate code { padding: .12em .28em; background: var(--field); font: .86em/1.4 var(--utility); }
.audience-use-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 30px; }
.audience-use { padding: 20px 0; border-top: 3px solid var(--trace); }
.audience-use h3 { margin: 0 0 12px; font: 500 1.5rem/1.04 var(--display); }
.audience-use h3 a { color: var(--ink); text-decoration: none; }
.audience-use p:last-child { margin-bottom: 0; color: var(--muted); font-size: .88rem; }
.empty-note { max-width: 60ch; margin: 0; padding: 18px 0; border-top: 1px solid var(--rule); color: var(--muted); }
.part-sequence { margin-top: 76px; padding-top: 22px; border-top: 4px solid var(--ink); }
.part-sequence > p { margin: 0; color: var(--muted); font: 600 .69rem/1.3 var(--utility); text-transform: uppercase; }

.decision-callout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 42px;
  padding: 34px 0;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.decision-callout .section-label { grid-column: 1 / 4; }
.decision-callout h2 { grid-column: 4 / 11; max-width: 34ch; margin: 0; font: 500 clamp(2rem, 3.3vw, 3.2rem)/1 var(--display); }
.audience-brief {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 42px;
  border: 1px solid var(--rule);
  background: var(--rule);
}
.audience-brief article { padding: 26px; background: var(--field); }
.audience-brief article p:last-child { max-width: 60ch; margin-bottom: 0; color: var(--muted); }
.audience-composition > h2 { max-width: 820px; }
.composition-stack {
  margin-top: 36px;
  border-top: 4px solid var(--ink);
}
.composition-step { border-bottom: 1px solid var(--rule-strong); background: var(--field); }
.composition-step > summary {
  display: grid;
  grid-template-columns: 12rem minmax(15rem, .7fr) minmax(20rem, 1.3fr);
  gap: 26px;
  align-items: baseline;
  min-height: 82px;
  padding: 22px 24px;
  cursor: pointer;
  list-style: none;
}
.composition-step > summary::-webkit-details-marker { display: none; }
.composition-step > summary::after {
  grid-column: 3;
  justify-self: end;
  margin-top: -1.3em;
  color: var(--signal);
  font: 600 .9rem/1 var(--utility);
  content: "+";
}
.composition-step[open] > summary::after { content: "−"; }
.composition-step > summary:hover { background: var(--trace-pale); }
.composition-index { color: var(--trace); font: 600 .68rem/1.35 var(--utility); letter-spacing: .035em; text-transform: uppercase; }
.composition-step > summary strong { color: var(--ink); font: 500 1.35rem/1.05 var(--display); }
.composition-question { padding-right: 2rem; color: var(--muted); font-size: .86rem; line-height: 1.45; }
.composition-framing {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: start;
  padding: 20px 24px;
  border-top: 1px solid var(--rule);
  background: var(--canvas);
}
.composition-framing p { max-width: 75ch; margin: 0; color: var(--muted); font-size: .88rem; }
.composition-framing a { font: 600 .72rem/1.45 var(--utility); }
.part-frame {
  display: block;
  width: 100%;
  height: 720px;
  border: 0;
  border-top: 1px solid var(--rule);
  background: white;
}
.start-here {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  padding: clamp(30px, 5vw, 56px);
  border-top: 5px solid var(--signal);
  background: var(--ink);
  color: white;
}
.start-here .section-label { color: white; }
.start-here h2 { margin: 0; font: 500 clamp(2rem, 3.4vw, 3.3rem)/1 var(--display); }
.start-here h2 a { color: white; }
.start-here .start-question { max-width: 52ch; margin: 12px 0 0; color: white; font-size: 1.02rem; font-weight: 500; }
.start-here p:last-child { max-width: 65ch; margin-bottom: 0; color: white; }
.start-here .button { background: var(--field); color: var(--ink); }
.audience-route > h2,
.audience-checks > h2 { max-width: 820px; }
.audience-checks ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 52px);
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}
.audience-checks li { padding-top: 18px; border-top: 3px solid var(--ink); }
.audience-checks li span { display: block; margin-bottom: 28px; color: var(--signal); font: 600 .72rem/1 var(--utility); }
.audience-checks li p { margin: 0; color: var(--ink); font-size: 1rem; line-height: 1.52; }
.audience-resources {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(40px, 8vw, 100px);
  border-top: 1px solid var(--rule);
}
.related-routes { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--rule); }
.related-routes > p { margin: 0 0 12px; color: var(--muted); font: 600 .68rem/1.3 var(--utility); text-transform: uppercase; }

.entity-shell { width: min(1000px, calc(100% - 40px)); margin-inline: auto; padding: 38px 0 96px; }
.entity-intro .external-link {
  grid-column: 1 / 5;
  align-self: end;
  margin-top: 10px;
  color: var(--ink);
  font: 600 .74rem/1.4 var(--utility);
}
.definition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 4px solid var(--ink);
  border-left: 1px solid var(--rule);
}
.definition-grid article { min-height: 190px; padding: 26px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--field); }
.definition-grid article:first-child { grid-column: 1 / -1; min-height: 0; background: var(--canvas); }
.definition-grid h2 { margin: 0; font: 500 1.7rem/1.04 var(--display); }
.definition-grid p:last-child { margin: 0; color: var(--muted); }
.definition-grid .definition-positive { background: var(--trace-pale); }
.definition-grid .definition-boundary { background: var(--boundary); }
.entity-connections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; padding-top: 76px; }
.entity-connections h2 { margin: 0 0 20px; font: 500 2rem/1.04 var(--display); }
.backlink { margin-top: 56px; font: 600 .76rem/1.4 var(--utility); }

/* Source-document reading surface */
.site-bar { display: flex; justify-content: space-between; gap: 22px; padding: 19px 0; border-bottom: 1px solid var(--rule); font-size: .88rem; }
.site-home { color: var(--ink); font-weight: 600; text-decoration: none; }
.source-link { color: var(--muted); }
.report-page { background: var(--field); }
.report-shell { max-width: 920px; padding: 64px 0 96px; }
.report-context { padding-bottom: 18px; border-bottom: 4px solid var(--ink); }
.companion-notice { margin: 30px 0 46px; padding: 20px 24px; border-left: 6px solid var(--signal); background: var(--canvas); }
.companion-notice p { margin: 0; }
.prose { font-family: var(--reading); font-size: 1.08rem; line-height: 1.68; }
.prose > h1 {
  max-width: none;
  margin: 0 0 44px;
  color: var(--ink);
  font: 500 clamp(3rem, 5.8vw, 5.5rem)/.94 var(--display);
  letter-spacing: -.03em;
}
.prose h2 { margin: 2.4em 0 .72em; font: 500 clamp(1.8rem, 3vw, 2.7rem)/1.04 var(--display); }
.prose h3 { margin: 2em 0 .65em; font: 500 1.55rem/1.08 var(--display); }
.prose p, .prose li { max-width: 72ch; }
.prose p { margin: 1em 0; }
.prose li + li { margin-top: .38em; }
.prose a:visited { color: #6f405c; }
.prose blockquote { margin: 1.6em 0; padding: .1em 0 .1em 1.25em; border-left: 5px solid var(--signal); color: var(--muted); }
.prose code { padding: .12em .28em; background: var(--canvas); font: .86em/1.4 var(--utility); }
.prose pre { overflow-x: auto; padding: 20px; background: var(--ink); color: white; }
.prose pre code { padding: 0; background: transparent; color: inherit; }
.prose table { display: block; width: max-content; max-width: 100%; overflow-x: auto; border-collapse: collapse; font: .82rem/1.45 var(--body); }
.prose th, .prose td { min-width: 145px; padding: 10px 12px; border: 1px solid var(--rule); text-align: left; vertical-align: top; }
.prose th { background: var(--canvas); font-family: var(--utility); font-size: .72rem; }
.prose img { max-width: 100%; height: auto; }
.prose hr { margin: 3em 0; border: 0; border-top: 1px solid var(--rule); }
.source-download { margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--rule); font: 600 .74rem/1.4 var(--utility); }

/* Backstage and update ledger */
.backstage-page { background: #ccd8d6; }
.backstage-page .card { border-top-color: var(--rule-strong); }
.machine-panel { padding: 36px; border: 1px dashed var(--rule-strong); background: rgba(244, 247, 244, .55); }
.updates-shell { padding: 62px 0 96px; }
.updates-shell > h1 { margin-top: 14px; }
.updates-intro { max-width: 760px; margin: 28px 0 0; color: var(--muted); font-size: 1.04rem; }
.updates-group { margin-top: 74px; }
.updates-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-top: 28px; }
.update-record { padding: 22px 0; border-top: 3px solid var(--rule-strong); }
.update-record--site { grid-column: 1 / -1; }
.update-record h3 { margin: 0 0 18px; font: 500 1.45rem/1.04 var(--display); }
.update-record h3 a { color: var(--ink); text-decoration: none; }
.update-record ol { margin: 0; padding: 0; list-style: none; }
.update-record li { display: grid; grid-template-columns: 7rem 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--rule); }
.update-record time { color: var(--trace-dark); font: 600 .7rem/1.4 var(--utility); font-variant-numeric: tabular-nums; }
.update-record strong { display: block; font-size: .84rem; line-height: 1.35; }
.update-record p { grid-column: 2; margin: -7px 0 0; color: var(--muted); font-size: .84rem; line-height: 1.5; }

.site-footer { padding: 30px 0 52px; border-top: 1px solid var(--rule); color: var(--muted); font: .7rem/1.55 var(--utility); }
.site-footer p { max-width: 90ch; margin: 0; }
.site-footer .machine-links { margin-top: .55rem; }

@media (max-width: 900px) {
  .card-grid--visuals,
  .card-grid--audiences,
  .card-grid--entity-index,
  .card-grid--route { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .part-grid,
  .audience-use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audience-checks ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .masthead-inner { grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 48px; }
  .page-intro h1,
  .entity-intro h1 { grid-column: 1 / 12; }
  .page-intro > p:last-child,
  .entity-intro > p { grid-column: 6 / 13; }
}

@media (max-width: 700px) {
  :root { --frame: min(100% - 28px, 1120px); }
  body { font-size: 16px; }
  .global-header { min-height: 0; align-items: flex-start; padding: 14px 0 12px; }
  .brand-mark { margin-right: 7px; font-size: 1rem; }
  .global-header nav { max-width: 58%; flex-wrap: wrap; justify-content: flex-end; gap: 0 14px; }
  .global-header nav a { min-height: 44px; }
  .masthead-inner { grid-template-columns: 1fr; gap: 54px; padding: 60px 0 54px; }
  h1 { font-size: clamp(3.25rem, 16vw, 5.2rem); }
  .intro { grid-template-columns: 1fr; gap: 24px; }
  .section-heading-inline { align-items: flex-start; flex-direction: column; gap: 16px; }
  .section--tinted { margin-inline: -14px; padding: 38px 14px; border-right: 0; border-left-width: 5px; }
  .split-section,
  .library-callout,
  .experience-row,
  .entity-connections,
  .audience-resources { grid-template-columns: 1fr; }
  .parts-key { grid-template-columns: 1fr; gap: 14px; }
  .library-callout { gap: 28px; padding: 36px 0; }
  .card-grid--visuals,
  .card-grid--audiences,
  .card-grid--audience-index,
  .card-grid--collections,
  .card-grid--entity-index,
  .card-grid--route,
  .card-grid--backstage,
  .card-grid--reports { grid-template-columns: 1fr; }
  .card,
  .card--compact { min-height: 0; padding-bottom: 24px; }
  .part-grid,
  .part-grid--route,
  .audience-use-grid,
  .audience-checks ol,
  .audience-brief,
  .part-definition { grid-template-columns: 1fr; }
  .part-card { min-height: 0; }
  .part-definition .part-coordinate { grid-column: auto; }
  .page-shell { padding-top: 26px; }
  .page-intro,
  .entity-intro { display: block; padding: 50px 0 58px; }
  .page-intro h1,
  .entity-intro h1,
  .updates-shell > h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .page-intro > p:last-child,
  .entity-intro > p { margin-top: 26px; }
  .decision-callout { grid-template-columns: 1fr; gap: 6px; padding: 28px 0; }
  .decision-callout .section-label,
  .decision-callout h2 { grid-column: auto; }
  .composition-step > summary { grid-template-columns: 1fr; gap: 7px; padding: 20px 16px; }
  .composition-step > summary::after { grid-column: 1; grid-row: 1; align-self: start; margin: 0; }
  .composition-index { padding-right: 2rem; }
  .composition-framing { grid-template-columns: 1fr; gap: 12px; padding: 18px 16px; }
  .start-here { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .part-shell { padding-top: 28px; }
  .part-intro { padding: 50px 0 58px; }
  .part-intro h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .entity-shell { width: var(--frame); padding-top: 28px; }
  .entity-intro .external-link { display: inline-block; margin-top: 24px; }
  .definition-grid { grid-template-columns: 1fr; }
  .definition-grid article:first-child { grid-column: auto; }
  .report-shell { padding-top: 44px; }
  .prose { font-size: 1rem; }
  .prose > h1 { font-size: clamp(3rem, 14vw, 4.5rem); }
  .prose table { font-size: .8rem; }
  .updates-grid { grid-template-columns: 1fr; }
  .update-record li { grid-template-columns: 1fr; gap: 5px; }
  .update-record p { grid-column: 1; margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---- costs.lyra-forge.com additions ---- */

/* Composed source sections: audience routes carry the real section HTML,
   not a reference card and not an iframe. */
.composed-section {
  padding: 26px 24px 8px;
  border-top: 1px solid var(--rule);
  background: var(--field-strong);
}
.composed-section .prose { font-size: 1rem; }
.composed-section .prose h3,
.composed-section .prose h2 { margin-top: 0; }
.composed-section .prose p,
.composed-section .prose li { max-width: 74ch; }

/* Reader-question ledger */
.question-list { margin-top: 34px; border-top: 4px solid var(--ink); }
.question-row {
  display: grid;
  grid-template-columns: minmax(16rem, .85fr) minmax(20rem, 1.15fr);
  gap: 28px clamp(28px, 5vw, 72px);
  padding: 30px 0 32px;
  border-bottom: 1px solid var(--rule);
}
.question-row h2 { margin: 0; font: 500 clamp(1.5rem, 2.3vw, 2.1rem)/1.06 var(--display); letter-spacing: -.015em; }
.question-state {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 9px 4px;
  background: var(--trace-pale);
  color: var(--trace-dark);
  font: 600 .66rem/1.3 var(--utility);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.question-state--partial { background: var(--signal-pale); color: #6d3d13; }
.question-row > div > p { margin: 0 0 16px; max-width: 68ch; }
.question-remaining { color: var(--muted); font-size: .9rem; }
.question-remaining strong { color: var(--ink); font: 600 .7rem/1.4 var(--utility); text-transform: uppercase; }

/* Evidence-cutoff strip used on the landing page */
.cutoff-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 42px;
  padding: 18px 0 20px;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.cutoff-strip div { min-width: 12rem; }
.cutoff-strip dt { margin: 0 0 6px; color: var(--trace); font: 600 .66rem/1.3 var(--utility); letter-spacing: .045em; text-transform: uppercase; }
.cutoff-strip dd { margin: 0; color: var(--ink); font: 500 1.15rem/1.15 var(--display); }

/* No-index notice used on backstage pages */
.backstage-notice {
  margin: 0 0 34px;
  padding: 16px 18px;
  border-left: 4px solid var(--signal);
  background: var(--signal-pale);
  color: #5d340f;
  font-size: .9rem;
}

@media (max-width: 900px) {
  .question-row { grid-template-columns: 1fr; }
  .composed-section { padding: 20px 16px 4px; }
}