/* Article graph — continue-reading + hub pages (archive / sitemap / site-links) */
:root {
  --ag-line: var(--line, rgba(20, 17, 15, 0.14));
  --ag-line-soft: var(--line-soft, rgba(20, 17, 15, 0.08));
  --ag-ink: var(--ink, #14110f);
  --ag-muted: var(--muted, rgba(20, 17, 15, 0.68));
  --ag-accent: var(--accent, #2a5a8c);
  --ag-paper: var(--paper, #fff);
  --ag-bg: var(--bg, #f7f5f1);
  --ag-display: var(--font-display, Georgia, "Times New Roman", serif);
  --ag-nav: var(--font-nav, system-ui, sans-serif);
}
.article-next {
  margin: 2.5rem 0 1.5rem;
  padding: 1.75rem 0 0;
  border-top: 1px solid var(--ag-line);
}
.article-next-head .eyebrow,
.ag-hub .eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  opacity: 0.7;
  margin: 0 0 0.4rem;
  font-family: var(--ag-nav);
}
.article-next h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.15;
}
.article-next-lede {
  max-width: 40rem;
  opacity: 0.85;
  margin: 0 0 1.25rem;
}
.article-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.article-next-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--ag-line-soft);
}
.article-next-list .num {
  font-variant-numeric: tabular-nums;
  opacity: 0.45;
  font-size: 0.85rem;
}
.article-next-more { margin-top: 1.25rem; }

/* Hub hero */
.ag-hero {
  padding: 3.25rem 0 2.5rem;
  border-bottom: 1px solid var(--ag-line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ag-bg) 88%, transparent), transparent 72%),
    var(--ag-bg);
}
.ag-hero h1 {
  font-family: var(--ag-display);
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  font-weight: 500;
  line-height: 1.08;
  margin: 0.35rem 0 0.85rem;
  max-width: 16ch;
  color: var(--ag-ink);
}
.ag-lede {
  max-width: 36rem;
  color: var(--ag-muted);
  font-size: 1.05rem;
  margin: 0 0 1.35rem;
}
.ag-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.ag-btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--ag-nav);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--ag-ink);
  background: var(--ag-ink);
  color: var(--ag-paper);
}
.ag-btn-outline {
  background: transparent;
  color: var(--ag-ink);
}
.ag-btn:hover { opacity: 0.88; }

/* Sections + chapter rows */
.ag-section {
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--ag-line-soft);
}
.ag-section-label {
  font-family: var(--ag-nav);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.65;
  margin: 0 0 0.55rem;
}
.ag-section-title {
  font-family: var(--ag-display);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.15;
  margin: 0 0 0.65rem;
  color: var(--ag-ink);
}
.ag-section-lede {
  max-width: 38rem;
  color: var(--ag-muted);
  margin: 0 0 1.5rem;
}
.ag-chapters {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ag-line);
}
.ag-chapter {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.05rem 0.15rem;
  border-bottom: 1px solid var(--ag-line);
  text-decoration: none;
  color: inherit;
}
.ag-chapter:hover .ag-chapter-title { color: var(--ag-accent); }
.ag-chapter-num {
  font-variant-numeric: tabular-nums;
  font-family: var(--ag-nav);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  opacity: 0.45;
}
.ag-chapter-title {
  font-family: var(--ag-display);
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0 0 0.25rem;
}
.ag-chapter-blurb {
  margin: 0;
  color: var(--ag-muted);
  font-size: 0.92rem;
}
.ag-chapter-arrow {
  opacity: 0.4;
  font-size: 1.1rem;
}

/* A–Z directory */
.ag-jump-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 2rem;
}
.ag-letter-chip {
  font-family: var(--ag-nav);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ag-line);
  padding: 0.45rem 0.65rem;
  background: var(--ag-paper);
  color: var(--ag-ink);
}
.ag-letter-chip:hover {
  border-color: var(--ag-accent);
  color: var(--ag-accent);
}
.ag-directory-grid { display: grid; gap: 2rem; }
.ag-directory {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ag-line-soft);
}
.ag-directory li { border-bottom: 1px solid var(--ag-line-soft); }
.ag-directory a {
  display: block;
  text-decoration: none;
  padding: 0.85rem 0.15rem;
  font-family: var(--ag-display);
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ag-ink);
}
.ag-directory a:hover { color: var(--ag-accent); }

.ag-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ag-line);
  font-family: var(--ag-nav);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ag-foot-links a { text-decoration: none; color: inherit; }

.site-links-section {
  margin: 2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--ag-line-soft);
}
.site-links-section ul {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  columns: 2;
  gap: 1.25rem;
}
.site-links-section li {
  break-inside: avoid;
  padding: 0.35rem 0;
}
@media (max-width: 720px) {
  .ag-hero { padding: 2.4rem 0 1.85rem; }
  .ag-chapter { grid-template-columns: 2.4rem 1fr; }
  .ag-chapter-arrow { display: none; }
  .site-links-section ul { columns: 1; }
}