/* sol — India macro-intelligence portal · skin: Material-Design-inspired light theme */

:root {
  /* Surfaces */
  --bg:        #f8fafc;
  --surface:   #ffffff;
  --surface-2: #f1f3f4;
  --surface-3: #e8eaed;

  /* Text */
  --text:      #202124;
  --muted:     #5f6368;
  --muted-2:   #80868b;

  /* Borders */
  --border:    #dadce0;
  --border-2:  #e8eaed;

  /* Accents — Google blue */
  --accent:    #1a73e8;
  --accent-2:  #1557b0;
  --accent-bg: #e8f0fe;

  /* Semantic */
  --ok:        #188038;
  --warn:      #f9ab00;
  --danger:    #d93025;

  /* PESTLE pillar tints — bg-100 / text-700, low-saturation, light-bg friendly */
  --p-political-bg:   #fce8e6;  --p-political-ink:   #c5221f;
  --p-economic-bg:    #feefc3;  --p-economic-ink:    #b06000;
  --p-social-bg:      #f3e8fd;  --p-social-ink:      #7627bb;
  --p-tech-bg:        #e6f4ea;  --p-tech-ink:        #137333;
  --p-legal-bg:       #e8eaed;  --p-legal-ink:       #3c4043;
  --p-environment-bg: #d2e3fc;  --p-environment-ink: #1967d2;

  /* Source-type pills */
  --src-primary-bg:    #e6f4ea;  --src-primary-ink:    #188038;
  --src-secondary-bg:  #e8f0fe;  --src-secondary-ink:  #1a73e8;
  --src-tertiary-bg:   #feefc3;  --src-tertiary-ink:   #b06000;
  --src-awaiting-bg:   #f1f3f4;  --src-awaiting-ink:   #5f6368;

  /* Elevation — Material-ish */
  --shadow-1: 0 1px 2px rgba(60, 64, 67, 0.08), 0 1px 3px rgba(60, 64, 67, 0.05);
  --shadow-2: 0 1px 3px rgba(60, 64, 67, 0.12), 0 4px 8px rgba(60, 64, 67, 0.08);

  /* Geometry */
  --radius:      12px;
  --radius-sm:   8px;
  --radius-pill: 999px;

  /* Type stacks */
  --font-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

code, .mono { font-family: var(--font-mono); }

.accent { color: var(--accent); }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-title { font-size: 1rem; font-weight: 500; }
.site-title a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--text);
}
.site-title .sol-mark {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.55rem;
  color: var(--accent);
  letter-spacing: -0.01em;
  line-height: 1;
}
.site-title .sol-dot { color: var(--border); font-weight: 400; }
.site-title .sol-sub {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}
.site-title a:hover { text-decoration: none; }
.site-title a:hover .sol-mark { color: var(--accent-2); }

.site-nav {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin-left: auto;
}
.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.6rem 0.9rem;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}
.site-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

/* ── Hero ─────────────────────────────────────────────────── */
.home-hero {
  position: relative;
  text-align: center;
  padding: 5rem 1.25rem 3.25rem;
  max-width: 64rem;
  margin: 0 auto;
  background: var(--surface);
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  background: var(--accent-bg);
  border: 1px solid var(--accent-bg);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.home-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}
.home-hero h1 .accent { color: var(--accent); font-weight: 600; }

.lead {
  color: var(--muted);
  max-width: 44rem;
  margin: 0.6rem auto 2rem;
  line-height: 1.7;
  font-size: 1.05rem;
}
.lead em { color: var(--accent-2); font-style: normal; font-weight: 500; }
.hero-actions {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-paths {
  margin-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--muted);
  text-align: center;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.hero-paths .path-cue {
  display: inline-block;
  font-weight: 600;
  color: var(--text);
  margin-right: 0.15rem;
}
.hero-paths .path-cue + .path-cue { margin-left: 0.5rem; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
  text-decoration: none;
}
.btn-ghost {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent-2);
  text-decoration: none;
}

/* ── Container & sections ─────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0.5rem 0 1rem;
}
h1 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 0.5rem;
}
h1 .accent { color: var(--accent); }
h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 1.75rem 0 0.85rem;
  color: var(--text);
}
h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  max-width: 50rem;
  line-height: 1.65;
}
.subtitle code {
  background: var(--surface-2);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.86em;
  color: var(--text);
}
.more-link {
  font-size: 0.86rem;
  color: var(--accent);
  font-weight: 500;
}
.more-link:hover { color: var(--accent-2); }

/* ── Bento grid ───────────────────────────────────────────── */
.bento {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.bento-preview { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow 0.18s, border-color 0.18s;
  position: relative;
  box-shadow: var(--shadow-1);
}
.card:hover {
  box-shadow: var(--shadow-2);
  border-color: var(--border);
}
.card.status-placeholder,
.card.status-awaiting-data {
  border-style: dashed;
  background: var(--surface);
}

.card-head { display: flex; flex-direction: column; gap: 0.55rem; }
.card-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  color: var(--muted);
  border: none;
  white-space: nowrap;
}
.tag-pillar { font-family: var(--font-sans); }
.tag-pillar.tag-p { background: var(--p-political-bg);   color: var(--p-political-ink); }
.tag-pillar.tag-e { background: var(--p-economic-bg);    color: var(--p-economic-ink); }
.tag-pillar.tag-s { background: var(--p-social-bg);      color: var(--p-social-ink); }
.tag-pillar.tag-t { background: var(--p-tech-bg);        color: var(--p-tech-ink); }
.tag-pillar.tag-l { background: var(--p-legal-bg);       color: var(--p-legal-ink); }
.tag-pillar.tag-v { background: var(--p-environment-bg); color: var(--p-environment-ink); }
.tag-horizon {
  background: var(--surface-2);
  color: var(--muted);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text);
  line-height: 1.35;
}

.card-value {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.6rem 0;
  border-top: 1px dashed var(--border-2);
  border-bottom: 1px dashed var(--border-2);
}
.card-figure {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--accent);
  line-height: 1.1;
}
.card-unit {
  font-size: 0.78rem;
  color: var(--muted-2);
}
.card-placeholder {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted-2);
  font-style: italic;
}

.card-summary {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}

.card-implication {
  background: var(--accent-bg);
  border-left: 3px solid var(--accent);
  padding: 0.6rem 0.9rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.55;
}
.card-implication .impl-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-global {
  font-size: 0.85rem;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.card-global .global-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  font-weight: 600;
}

.card-audit {
  margin-top: auto;
  border-top: 1px solid var(--border-2);
  padding-top: 0.7rem;
  font-size: 0.84rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
}
.audit-row {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
}
.audit-key {
  color: var(--muted-2);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.audit-val {
  color: var(--text);
  font-size: 0.84rem;
}
.audit-val a, a.audit-val { color: var(--accent); }
.audit-val a:hover, a.audit-val:hover { color: var(--accent-2); }
.audit-val.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
}

/* Source-type pills */
.audit-val.source-primary,
.audit-val.source-official-secondary,
.audit-val.source-tertiary,
.audit-val.source-awaiting {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  width: max-content;
}
.audit-val.source-primary            { background: var(--src-primary-bg);   color: var(--src-primary-ink); }
.audit-val.source-official-secondary { background: var(--src-secondary-bg); color: var(--src-secondary-ink); }
.audit-val.source-tertiary           { background: var(--src-tertiary-bg);  color: var(--src-tertiary-ink); }
.audit-val.source-awaiting {
  background: var(--src-awaiting-bg);
  color: var(--src-awaiting-ink);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

/* ── Filter bar ───────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1.25rem 0 1.5rem;
  padding: 0.85rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.filter-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-right: 0.4rem;
  font-weight: 600;
}
.chip {
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--surface-3);
  color: var(--muted);
  border: none;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.15s, color 0.15s;
  font-weight: 500;
}
.chip:hover {
  background: var(--border);
  color: var(--text);
}
.chip.active {
  background: var(--accent);
  color: #fff;
}
.chip.active:hover {
  background: var(--accent-2);
  color: #fff;
}
.chip-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: inherit;
  opacity: 0.75;
  font-weight: 500;
}

/* Pillar-coloured chip inactive states */
.chip.chip-pillar-p { background: var(--p-political-bg);   color: var(--p-political-ink); }
.chip.chip-pillar-e { background: var(--p-economic-bg);    color: var(--p-economic-ink); }
.chip.chip-pillar-s { background: var(--p-social-bg);      color: var(--p-social-ink); }
.chip.chip-pillar-t { background: var(--p-tech-bg);        color: var(--p-tech-ink); }
.chip.chip-pillar-l { background: var(--p-legal-bg);       color: var(--p-legal-ink); }
.chip.chip-pillar-v { background: var(--p-environment-bg); color: var(--p-environment-ink); }
.chip.chip-pillar-p:hover,
.chip.chip-pillar-e:hover,
.chip.chip-pillar-s:hover,
.chip.chip-pillar-t:hover,
.chip.chip-pillar-l:hover,
.chip.chip-pillar-v:hover {
  filter: brightness(0.96);
}
.chip.chip-pillar-p.active,
.chip.chip-pillar-e.active,
.chip.chip-pillar-s.active,
.chip.chip-pillar-t.active,
.chip.chip-pillar-l.active,
.chip.chip-pillar-v.active {
  background: var(--accent);
  color: #fff;
}

.dash-foot {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border-2);
  padding-top: 1rem;
}
.dash-foot strong { color: var(--text); font-weight: 600; }
.dash-foot code {
  background: var(--surface-2);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--text);
}

/* ── Three-up ─────────────────────────────────────────────── */
.three-up {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}
.three-up-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.three-up-cell:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-1);
}
.three-up-cell h3 {
  color: var(--accent);
  margin-bottom: 0.4rem;
  font-size: 1.02rem;
}
.three-up-cell p {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.6;
}
.three-up-cell code {
  background: var(--surface-2);
  padding: 0.08em 0.35em;
  border-radius: 3px;
  font-size: 0.85em;
  color: var(--text);
}

/* ── Quick links ──────────────────────────────────────────── */
.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
  margin: 0.5rem 0 2rem;
}
.quick-link {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  transition: border-color 0.18s, box-shadow 0.18s;
  display: block;
  color: var(--text);
}
.quick-link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-1);
  text-decoration: none;
}
.quick-link-title {
  font-size: 0.97rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
  font-weight: 600;
}
.quick-link:hover .quick-link-title { color: var(--accent-2); }
.quick-link-desc {
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.55;
}

/* ── Tabs (underline-style) ───────────────────────────────── */
.tab-bar-wrap {
  overflow-x: auto;
  margin: 0 0 1.25rem;
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}
.tab-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  min-width: min-content;
}
.tab-btn {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 0.7rem 1.1rem 0.6rem;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: transparent;
}

.tab-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.6rem;
  min-height: 280px;
}
.tab-panel.active { display: block; }
.tab-panel .loading {
  color: var(--muted);
  font-style: italic;
}
.tab-panel .err { color: var(--danger); }

/* ── Markdown body ────────────────────────────────────────── */
.md-body {
  font-family: var(--font-sans);
  max-width: 48rem;
  color: var(--text);
}
.md-body h1,
.md-body h2,
.md-body h3,
.md-body h4 {
  font-family: var(--font-serif);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.md-body h1 {
  font-size: 1.7rem;
  color: var(--accent);
  margin-top: 0;
  letter-spacing: -0.01em;
}
.md-body h2 {
  font-size: 1.3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}
.md-body h3 { font-size: 1.08rem; color: var(--text); }
.md-body p {
  margin-bottom: 0.95em;
  line-height: 1.7;
  color: var(--text);
}
.md-body ul,
.md-body ol {
  margin: 0.6em 0 0.95em 1.5rem;
  color: var(--text);
}
.md-body li {
  margin-bottom: 0.4em;
  line-height: 1.65;
}
.md-body strong { color: var(--text); font-weight: 600; }
.md-body code {
  background: var(--surface-2);
  padding: 0.14em 0.4em;
  border-radius: 4px;
  font-size: 0.86em;
  color: #c5221f;
}
.md-body pre {
  background: #f6f8fa;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 1em 0;
  font-size: 0.85rem;
}
.md-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
}
.md-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 1em 0;
  padding: 0.6rem 1rem;
  color: var(--text);
  background: var(--accent-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.md-body a {
  color: var(--accent);
  word-break: break-word;
}
.md-body a:hover { color: var(--accent-2); }
.md-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  font-size: 0.88rem;
}
.md-body th,
.md-body td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.md-body th {
  background: var(--surface-2);
  color: var(--text);
  font-weight: 600;
}
.md-body tr:nth-child(even) td { background: #fafbfc; }
.md-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.75rem 0;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
  padding: 1.75rem 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 2.5rem;
}
.footer a { color: var(--accent); }
.footer a:hover { color: var(--accent-2); }
.footer-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.7rem;
  margin: 0.25rem 0;
}
.footer-row.muted {
  color: var(--muted-2);
  font-size: 0.76rem;
}
.footer .dot { color: var(--border); }

/* ── Primer track ────────────────────────────────────────── */
.primer-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  margin-top: 1rem;
  align-items: start;
}

.primer-toc {
  position: sticky;
  top: 5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 0.5rem;
  box-shadow: 0 1px 2px rgba(60,64,67,0.08), 0 1px 3px rgba(60,64,67,0.05);
}
.primer-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}
.primer-toc li { margin: 0; }
.primer-toc a {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.35;
  text-decoration: none;
  transition: background 0.15s;
}
.primer-toc a:hover {
  background: var(--surface-2);
  text-decoration: none;
}
.primer-toc li.active a {
  background: var(--accent-bg);
  color: var(--accent-2);
  font-weight: 500;
}
.primer-toc .toc-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
.primer-toc li.active .toc-num {
  color: var(--accent);
}

.primer-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 2rem 1.25rem;
  box-shadow: 0 1px 2px rgba(60,64,67,0.08), 0 1px 3px rgba(60,64,67,0.05);
  min-width: 0;
}

.primer-head {
  border-bottom: 1px solid var(--border-2);
  padding-bottom: 0.85rem;
  margin-bottom: 1.25rem;
}
.primer-eyebrow {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 0.4rem;
}
.primer-title {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  line-height: 1.25;
}

.primer-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-2);
}
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.pager-link:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
  text-decoration: none;
}
.pager-prev { justify-self: start; }
.pager-next { justify-self: end; }
.pager-arrow {
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
}
.pager-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}
.pager-meta.align-right { text-align: right; }
.pager-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.pager-label {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 500;
}
.pager-finish {
  background: var(--accent-bg);
  border-color: var(--accent);
}
.pager-finish .pager-label { color: var(--accent-2); font-weight: 600; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .primer-layout { grid-template-columns: 1fr; }
  .primer-toc {
    position: static;
    padding: 0.5rem 0.4rem;
  }
  .primer-toc ol {
    display: flex;
    overflow-x: auto;
    gap: 0.25rem;
    -webkit-overflow-scrolling: touch;
  }
  .primer-toc li { flex: 0 0 auto; }
  .primer-toc a {
    grid-template-columns: auto auto;
    padding: 0.45rem 0.7rem;
    white-space: nowrap;
    font-size: 0.84rem;
  }
}

@media (max-width: 640px) {
  .site-header { padding: 0.6rem 1rem; gap: 0.5rem; }
  .site-nav { gap: 0; margin-left: 0; width: 100%; }
  .site-nav a {
    padding: 0.55rem 0.7rem;
    font-size: 0.85rem;
  }
  .container { padding: 1.25rem 1rem 2rem; }
  .home-hero { padding: 3rem 1rem 2rem; }
  .home-hero h1 { font-size: clamp(1.65rem, 7vw, 2.05rem); }
  .lead { font-size: 0.96rem; }
  .audit-row { grid-template-columns: 5rem 1fr; }
  .filter-bar { padding: 0.75rem; gap: 0.85rem; }
  .tab-panel { padding: 1.25rem 1rem; }
  .primer-body { padding: 1.25rem 1.1rem 1rem; }
  .primer-pager { grid-template-columns: 1fr; }
  .pager-prev, .pager-next { justify-self: stretch; }
}