/* ═══════════════════════════════════════════════════════════════════
   NOVABERG — listing pages (index/overview pages)
   Shared layout for every overview page: masthead row, page head,
   series sections, paper cards, page note, site footer.
   Load AFTER novaberg.css. Page-specific rules go in a <style> block
   after this link — but if a rule would be useful on a second listing
   page, it belongs here instead.
   ═══════════════════════════════════════════════════════════════════ */
/* ── Masthead ──────────────────────────────────────── */

.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 48px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}

/* ── Page ──────────────────────────────────────────── */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 48px 80px;
  position: relative;
  z-index: 2;
}
.page-head {
  margin-bottom: 56px;
}
.page-head h1 {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.page-head p {
  font-size: 1.05rem;
  color: var(--ink-2);
  max-width: 36em;
  line-height: 1.55;
}

/* ── Series section ────────────────────────────────── */
.series {
  margin-bottom: 56px;
}
.series-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.series-label {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.series-title {
  font-family: 'IBM Plex Serif', serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
}
.series-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: 0.06em;
  margin-left: auto;
}

/* ── Paper cards ───────────────────────────────────── */
.paper-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.paper-card {
  background: var(--paper);
  padding: 28px 28px;
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 20px;
  align-items: baseline;
  border: none;
  transition: background 0.2s;
  text-decoration: none;
}
.paper-card:hover { background: var(--paper-2); }
.paper-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  padding-top: 2px;
}
.paper-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.paper-title {
  font-family: 'IBM Plex Serif', serif;
  font-size: 1.12rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
}
.paper-desc {
  font-family: 'IBM Plex Serif', serif;
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.5;
  font-style: italic;
}
.paper-meta {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
  padding-top: 2px;
}
.paper-card.coming-soon { opacity: 0.45; pointer-events: none; }
.paper-langs {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.paper-lang {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--ink-dim);
  border: 1px solid var(--rule);
  padding: 2px 6px;
  letter-spacing: 0.04em;
}

/* ── Footer ────────────────────────────────────────── */
.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 48px 36px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.site-footer a { color: var(--ink-dim); border: none; }
.site-footer a:hover { color: var(--ink-muted); }

@media (max-width: 960px) {
  .masthead-inner { padding: 18px 28px; }
  .page { padding: 40px 28px 64px; }
  .site-footer { padding: 24px 28px 36px; }
  .paper-card { grid-template-columns: 1fr; gap: 8px; }
  .paper-num { display: none; }
  .paper-meta { white-space: normal; }
}

/* ── Page note (closing prose: about, license, contact) ─────────── */
.page-note {
  max-width: 36em;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: 'IBM Plex Serif', serif;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-muted);
}
.page-note p + p { margin-top: 10px; }
.page-note strong { color: var(--ink-2); }