/* ============================================================
   White paper — REEL LCI
   Layered on top of colors_and_type.css
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
}

/* Page padding / measure overrides for this document */
:root {
  --paper-measure:  780px;
  --paper-wide:    1080px;
  --paper-edge:     2rem;
}

img { max-width: 100%; display: block; }

/* ============================================================
   Cover page
   ============================================================ */

.cover {
  min-height: 100vh;
  background: var(--bg);
  position: relative;
  padding: 56px var(--paper-edge) 64px;
  display: flex;
  flex-direction: column;
}

.cover-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--carrier-navy);
}
.cover-brand .mark {
  width: 36px; height: 36px;
}
.cover-brand .word {
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 16px;
}
.cover-brand .word .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-slate);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: 8px;
  font-weight: 500;
}

.cover-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  margin: 0 0 18px;
}

.cover-body {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 56px;
  align-items: end;
  flex: 1;
}
.cover-title-block { max-width: 720px; }

.cover-title {
  color: var(--carrier-navy);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 0.98;
  margin: 0;
  text-wrap: balance;
}
.cover-subtitle {
  color: var(--muted-slate);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 28px 0 0;
  max-width: 600px;
}

.cover-meta {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 36px;
  max-width: 520px;
}
.cover-meta .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-slate);
  margin: 0 0 6px;
}
.cover-meta .val {
  font-size: 14px;
  color: var(--carrier-navy);
  font-weight: 500;
}
.cover-meta .val .mono {
  font-family: var(--font-mono);
}

/* Layered-stack motif — large decorative version of the logo */
.cover-motif {
  position: relative;
  width: 360px;
  height: 360px;
  margin-left: auto;
}
.cover-motif svg {
  width: 100%; height: 100%;
}

.cover-footer {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  color: var(--muted-slate);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cover-footer a { color: var(--trace-cyan); text-decoration: none; }

/* ============================================================
   Top thin bar after cover
   ============================================================ */
.docbar {
  background: var(--carrier-navy);
  color: rgba(255,255,255,0.85);
  padding: 14px var(--paper-edge);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.docbar .inner {
  max-width: var(--paper-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.docbar .left { color: rgba(255,255,255,0.95); }
.docbar .right { color: rgba(255,255,255,0.55); }
.docbar a { color: var(--trace-cyan); text-decoration: none; }

/* ============================================================
   Section frame, prose, headings
   ============================================================ */

.section-frame {
  padding: 72px var(--paper-edge);
}
.section-frame.tinted { background: var(--bg-tint); }
.section-frame.dark {
  background: var(--carrier-navy);
  color: rgba(255,255,255,0.85);
}

.measure {
  max-width: var(--paper-measure);
  margin: 0 auto;
}
.measure-wide {
  max-width: var(--paper-wide);
  margin: 0 auto;
}

/* Section eyebrow + title pattern */
.sec-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  margin: 0 0 14px;
  font-weight: 500;
}
.section-frame.dark .sec-eyebrow { color: #6BB4DC; }

.sec-title {
  color: var(--carrier-navy);
  font-size: clamp(1.875rem, 3.2vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--sp-6);
  text-wrap: balance;
}
.section-frame.dark .sec-title { color: #fff; }

.sec-lede {
  color: var(--ink-muted);
  font-size: 1.15rem;
  line-height: 1.55;
  margin: 0 0 var(--sp-6);
  max-width: 680px;
  text-wrap: pretty;
}
.section-frame.dark .sec-lede { color: rgba(255,255,255,0.7); }

h3.sub {
  color: var(--carrier-navy);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: var(--sp-7) 0 var(--sp-3);
}
h4.sub {
  color: var(--carrier-navy);
  font-size: 1rem;
  font-weight: 700;
  margin: var(--sp-5) 0 var(--sp-2);
}

.body p {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  margin: 0 0 var(--sp-4);
  text-wrap: pretty;
}
.body p.lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-bottom: var(--sp-5);
}
.body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-5);
}
.body ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: var(--sp-3);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
}
.body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--trace-cyan);
}

.callout {
  border-left: 3px solid var(--trace-cyan);
  background: rgba(229, 231, 235, 0.7);
  padding: 20px 24px;
  border-radius: 0 4px 4px 0;
  margin: var(--sp-5) 0;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
}
.callout strong { color: var(--carrier-navy); }
.callout .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  display: block;
  margin-bottom: 6px;
}

/* ============================================================
   Title page / metadata block (page after cover)
   ============================================================ */

.title-page {
  padding: 72px var(--paper-edge) 96px;
}
.title-page .inner {
  max-width: var(--paper-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 72px;
}
.title-page h1 {
  color: var(--carrier-navy);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 var(--sp-5);
  max-width: 640px;
}
.title-page .abstract {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 var(--sp-4);
}
.title-page .abstract.muted { color: var(--muted-slate); }

.meta-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
  font-size: 14px;
  background: var(--bg);
}
.meta-card dl { margin: 0; }
.meta-card dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-slate);
  margin: 0 0 4px;
}
.meta-card dd {
  margin: 0 0 14px;
  color: var(--carrier-navy);
  font-weight: 500;
}
.meta-card dd:last-child { margin-bottom: 0; }
.meta-card dd .mono { font-family: var(--font-mono); font-size: 12px; }
.meta-card a { color: var(--trace-cyan); text-decoration: none; }

/* ============================================================
   Table of contents
   ============================================================ */
.toc-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 56px;
  margin-top: var(--sp-6);
}
.toc-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--carrier-navy);
  font-size: 15px;
}
.toc-item .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--trace-cyan);
  letter-spacing: 0.04em;
  min-width: 32px;
}
.toc-item .lab { font-weight: 500; flex: 1; }
.toc-item .dots {
  flex: 1;
  border-bottom: 1px dotted var(--border-strong);
  margin: 0 8px;
  transform: translateY(-4px);
}
.toc-item .pg {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-slate);
}
.toc-item:hover { color: var(--trace-cyan); }
.toc-item:hover .lab { color: var(--trace-cyan); }

/* ============================================================
   80/20 bar chart
   ============================================================ */
.split-chart {
  margin: var(--sp-6) 0 var(--sp-4);
  max-width: var(--paper-wide);
}
.split-chart .scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-slate);
  letter-spacing: 0.04em;
  margin-left: 260px;
  margin-bottom: 10px;
}
.split-chart .scale span { flex: 1; text-align: left; }
.split-chart .scale span:last-child { text-align: right; flex: 0; }
.split-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: 18px;
  padding: 10px 0;
}
.split-row .row-label {
  font-size: 14px;
  color: var(--carrier-navy);
  font-weight: 600;
  line-height: 1.3;
}
.split-row .row-label .sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-slate);
  font-weight: 400;
  margin-top: 2px;
  letter-spacing: 0.02em;
}
.split-row .bar {
  display: flex;
  height: 28px;
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg-tint);
  position: relative;
}
.split-row .seg {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  min-width: 0;
}
.split-row .seg.energy   { background: var(--carrier-navy); }
.split-row .seg.gas      { background: var(--trace-cyan); }
.split-row .seg.material { background: var(--muted-slate); }
.split-row .seg span {
  padding: 0 6px;
  white-space: nowrap;
  overflow: hidden;
}

.split-legend {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--carrier-navy);
  margin: 18px 0 0 260px;
  flex-wrap: wrap;
}
.split-legend .item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.split-legend .swatch {
  width: 14px; height: 14px;
  border-radius: 2px;
  display: inline-block;
}
.split-legend .swatch.energy   { background: var(--carrier-navy); }
.split-legend .swatch.gas      { background: var(--trace-cyan); }
.split-legend .swatch.material { background: var(--muted-slate); }
.split-caption {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 18px 0 0 260px;
  line-height: 1.55;
  max-width: 720px;
}
.split-caption .em { color: var(--carrier-navy); font-weight: 600; }

/* ============================================================
   Headline table (Section 5)
   ============================================================ */
.landscape-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: var(--sp-5) 0;
  font-family: var(--font-sans);
}
.landscape-table thead th {
  color: var(--carrier-navy);
  text-align: left;
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 2px solid var(--trace-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: bottom;
  background: var(--bg);
}
.landscape-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--ink);
  line-height: 1.45;
}
.landscape-table tr.group td {
  background: var(--carrier-navy);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 16px;
  font-weight: 500;
}
.landscape-table .sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--carrier-navy);
  font-weight: 600;
}
.landscape-table .pri { color: var(--carrier-navy); font-weight: 600; }
.landscape-table .vintage {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-slate);
  white-space: nowrap;
}
.landscape-table .gap {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.5;
}

/* Provenance pills */
.prov {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--carrier-navy);
  white-space: nowrap;
}
.prov::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--muted-slate);
}
.prov.peer::before     { background: var(--trace-cyan); }
.prov.industry::before { background: var(--carrier-navy); }
.prov.generic::before  { background: var(--muted-slate); }
.prov.higgs::before    { background: #c98a4a; }
.prov.none {
  color: var(--muted-slate);
  border-style: dashed;
}
.prov.none::before { background: #d44; opacity: 0.5; }

/* Industry-specific cell flag */
.flag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-slate);
  font-weight: 500;
}
.flag.yes { color: var(--trace-cyan); }
.flag.partial { color: var(--carrier-navy); }
.flag.no { color: var(--muted-slate); }

/* ============================================================
   Tier grid (Section 6)
   ============================================================ */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: var(--sp-6) 0 var(--sp-4);
}
.tier-card {
  border: 1px solid var(--border);
  border-top: 3px solid var(--trace-cyan);
  border-radius: 6px;
  padding: 26px 24px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.tier-card .num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  font-weight: 500;
}
.tier-card.t1 { border-top-color: var(--carrier-navy); }
.tier-card.t1 .num { color: var(--carrier-navy); }
.tier-card.t3 { border-top-color: var(--muted-slate); }
.tier-card.t3 .num { color: var(--muted-slate); }
.tier-card h3 {
  color: var(--carrier-navy);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 8px 0 6px;
}
.tier-card .tagline {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  line-height: 1.5;
}
.tier-card .tag-rule {
  border-bottom: 1px solid var(--border);
  margin: 0 0 18px;
}
.tier-card ul.subs {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tier-card ul.subs li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.5;
}
.tier-card ul.subs li:last-child { border-bottom: 0; padding-bottom: 0; }
.tier-card ul.subs li .name {
  display: block;
  color: var(--carrier-navy);
  font-weight: 700;
  margin-bottom: 2px;
}
.tier-card ul.subs li .desc { color: var(--ink); }
.tier-card .footer {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted-slate);
}
.tier-card .footer .em { color: var(--carrier-navy); font-weight: 600; }

/* Tier improvement block (6.1) — three rows */
.tier-improve {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: var(--sp-5) 0;
}
.tier-improve .ti {
  border-left: 2px solid var(--trace-cyan);
  padding: 4px 0 4px 16px;
}
.tier-improve .ti.t1 { border-left-color: var(--carrier-navy); }
.tier-improve .ti.t3 { border-left-color: var(--muted-slate); }
.tier-improve .ti h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--carrier-navy);
  margin: 0 0 8px;
  font-weight: 500;
}
.tier-improve .ti p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  color: var(--ink);
}

/* ============================================================
   Section 2 / 8 — Reading guide as compact nav block
   ============================================================ */
.read-guide {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: var(--sp-5) 0;
}
.read-guide .row {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.read-guide .row:nth-child(odd) { border-right: 1px solid var(--border); }
.read-guide .row .ifyou {
  color: var(--carrier-navy);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.35;
}
.read-guide .row .ifyou .pre {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  font-weight: 500;
  margin-bottom: 4px;
}
.read-guide .row .goto {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.55;
}
.read-guide .row .goto .ptr {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-slate);
  letter-spacing: 0.04em;
  display: block;
  margin-top: 4px;
}

/* Scope/exclude two-column block (Section 2) */
.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: var(--sp-5) 0;
}
.scope-card {
  border: 1px solid var(--border);
  padding: 22px;
  border-radius: 6px;
}
.scope-card.include { border-left: 3px solid var(--trace-cyan); }
.scope-card.exclude { border-left: 3px solid var(--muted-slate); }
.scope-card h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 12px;
  color: var(--carrier-navy);
  font-weight: 500;
}
.scope-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
}
.scope-card.full ul { grid-template-columns: 1fr; }
.scope-card li {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  padding-left: 14px;
  position: relative;
}
.scope-card li::before {
  content: "·";
  position: absolute;
  left: 0; top: 0;
  color: var(--trace-cyan);
  font-weight: 700;
}
.scope-card.exclude li::before { color: var(--muted-slate); }
.scope-card li .mono { font-family: var(--font-mono); font-size: 12px; color: var(--carrier-navy); }
.scope-card .body p {
  margin: 0 0 var(--sp-3);
  font-size: 14px;
  line-height: 1.55;
}

/* Provenance taxonomy mini-key */
.prov-key {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 22px;
  margin: var(--sp-5) 0;
}
.prov-key .row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.55;
}
.prov-key .row p { margin: 0; color: var(--ink); }

/* ============================================================
   Archetype block (Section 4 cards)
   ============================================================ */
.archetype {
  margin: var(--sp-6) 0;
  padding: var(--sp-6) 0 0;
  border-top: 1px solid var(--border);
}
.archetype:first-of-type { border-top: 0; padding-top: var(--sp-4); }
.archetype .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--trace-cyan);
  font-weight: 500;
  margin: 0 0 8px;
}
.archetype h3 {
  color: var(--carrier-navy);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0 0 var(--sp-3);
}
.archetype .substances {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 var(--sp-4);
  line-height: 1.55;
}
.archetype .substances .label {
  color: var(--carrier-navy);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-right: 8px;
}

.archetype-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 28px;
  margin-top: var(--sp-4);
}
.archetype-grid dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-slate);
  padding-top: 6px;
}
.archetype-grid dd {
  margin: 0 0 var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}
.archetype-grid dt:last-of-type + dd,
.archetype-grid dd:last-of-type {
  border-bottom: 0;
}
.archetype .flag-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 6px 12px;
  background: var(--bg-tint);
  border-radius: 4px;
  font-size: 13px;
  color: var(--carrier-navy);
}
.archetype .flag-row .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trace-cyan);
}

/* ============================================================
   Substance index table (Appendix A)
   ============================================================ */
.subs-index {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.subs-index thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--carrier-navy);
  text-align: left;
  padding: 12px 14px;
  border-bottom: 2px solid var(--trace-cyan);
  font-weight: 600;
}
.subs-index tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.subs-index tbody tr:nth-child(even) td { background: var(--bg-tint); }
.subs-index .mono { font-family: var(--font-mono); font-size: 12px; color: var(--carrier-navy); }
.subs-index .name { color: var(--carrier-navy); font-weight: 600; }
.subs-index .tier {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--bg-tint);
  color: var(--carrier-navy);
  display: inline-block;
}
.subs-index .tier.t1 { background: rgba(27, 42, 65, 0.92); color: #fff; }
.subs-index .tier.t2 { background: rgba(26, 107, 156, 0.18); color: var(--trace-cyan); }
.subs-index .tier.t3 { background: rgba(94, 107, 122, 0.15); color: var(--muted-slate); }

/* ============================================================
   References
   ============================================================ */
.refs h3 {
  color: var(--carrier-navy);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin: var(--sp-6) 0 var(--sp-3);
}
.refs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: refs;
}
.refs ol li {
  counter-increment: refs;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.55;
  position: relative;
  color: var(--ink);
}
.refs ol li::before {
  content: counter(refs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--trace-cyan);
  letter-spacing: 0.04em;
}
.refs ol li a { color: var(--trace-cyan); text-decoration: none; word-break: break-word; }
.refs ol li a:hover { text-decoration: underline; }
.refs ol li .meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-slate);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

/* ============================================================
   Footer
   ============================================================ */
.doc-footer {
  background: var(--carrier-navy);
  color: rgba(255,255,255,0.7);
  padding: 56px var(--paper-edge) 36px;
  margin-top: 0;
}
.doc-footer .inner {
  max-width: var(--paper-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  align-items: flex-start;
}
.doc-footer h4 {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
}
.doc-footer .brand-block {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.doc-footer .brand-block .mark { width: 36px; height: 36px; }
.doc-footer .brand-block .desc {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  line-height: 1.55;
  max-width: 360px;
}
.doc-footer .brand-block .word { color: #fff; font-weight: 800; font-size: 18px; letter-spacing: -0.01em; display: block; margin-bottom: 6px; }
.doc-footer a { color: var(--trace-cyan); text-decoration: none; display: block; padding: 3px 0; font-size: 13px; }
.doc-footer a:hover { color: #fff; }
.doc-footer .bot {
  max-width: var(--paper-wide);
  margin: 32px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   Section number badge
   ============================================================ */
.sec-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--trace-cyan);
  margin-right: 14px;
}

/* Sub-section header for archetypes */
.subsec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: var(--sp-6) 0 var(--sp-4);
}
.subsec-head .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--trace-cyan);
  letter-spacing: 0.04em;
}
.subsec-head h3 {
  color: var(--carrier-navy);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
}

@media (max-width: 960px) {
  .cover-body { grid-template-columns: 1fr; }
  .cover-motif { margin: 0; width: 240px; height: 240px; }
  .title-page .inner { grid-template-columns: 1fr; }
  .toc-block,
  .tier-grid,
  .scope-grid,
  .read-guide,
  .tier-improve,
  .prov-key { grid-template-columns: 1fr; }
  .read-guide .row { grid-template-columns: 1fr; }
  .split-row { grid-template-columns: 1fr; }
  .split-row .row-label { margin-bottom: 6px; }
  .split-legend, .split-caption, .split-chart .scale { margin-left: 0; }
  .doc-footer .inner { grid-template-columns: 1fr; }
}