/* VAF Publication Layer — Shared Styles */
:root {
  --bg: #F1F5F9;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --border-2: #CBD5E1;
  --text: #0F172A;
  --text-2: #475569;
  --muted: #64748B;
  --accent: #E8630A;
  --accent-hover: #CC5508;
  --navy: #1E3A5F;
  --navy-dark: #162D4A;
  --r: 10px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 14px rgba(15,23,42,0.09);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── NAVIGATION ── */
.pub-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.pub-nav-brand {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--navy-dark);
  text-decoration: none;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}
.pub-nav-brand sup {
  color: var(--accent);
  font-size: 0.5em;
  vertical-align: super;
}
.pub-nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}
.pub-nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
  white-space: nowrap;
}
.pub-nav-links a:hover,
.pub-nav-links a.active { color: var(--text); }

/* ── PUBLICATION HUB HEADER ── */
.pub-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 2rem 3.5rem;
}
.pub-header-inner {
  max-width: 820px;
  margin: 0 auto;
}
.pub-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1.25rem;
}
.pub-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.pub-desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 580px;
}

/* ── PUBLICATION GRID ── */
.pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.pub-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 1.75rem;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}
.pub-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.pub-card-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.85rem;
}
.pub-card-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.65rem;
  line-height: 1.3;
}
.pub-card-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
}
.pub-card-count {
  margin-top: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.pub-card.forthcoming {
  opacity: 0.6;
  pointer-events: none;
  border-style: dashed;
}
.pub-card.forthcoming .pub-card-title { color: var(--muted); }

/* ── ARTICLE LIST (Thought Series index) ── */
.article-list {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}
.article-list-item {
  display: flex;
  align-items: flex-start;
  gap: 1.75rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: none;
}
.article-list-item:last-child { border-bottom: none; }
.article-list-item:hover .article-list-title { color: var(--accent); }
.article-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  flex-shrink: 0;
  padding-top: 0.3rem;
  width: 2rem;
}
.article-list-meta { flex: 1; }
.article-list-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
  line-height: 1.3;
  transition: color 0.15s;
}
.article-list-tagline {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
  font-style: italic;
}
.article-list-status {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
  padding-top: 0.35rem;
}
.article-list-status.published { color: var(--accent); }
.article-list-item.forthcoming .article-list-title { color: var(--muted); }
.article-list-item.forthcoming { pointer-events: none; opacity: 0.65; }

/* ── SIGNAL LIST ── */
.signal-list {
  max-width: 740px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
}
.signal-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.signal-item:last-child { border-bottom: none; }
.signal-item:hover .signal-item-title { color: var(--accent); }
.signal-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  flex-shrink: 0;
  padding-top: 0.3rem;
  width: 2rem;
}
.signal-item-body { flex: 1; }
.signal-item-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
  transition: color 0.15s;
  line-height: 1.3;
}
.signal-item-status {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.signal-item-status.published { color: var(--accent); }
.signal-item.forthcoming { pointer-events: none; opacity: 0.6; }
.signal-item.forthcoming .signal-item-title { color: var(--muted); }

/* ── ARTICLE PAGE HEADER ── */
.article-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 2rem 3.5rem;
}
.article-header-inner {
  max-width: 740px;
  margin: 0 auto;
}
.article-series-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1.25rem;
}
.article-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.article-tagline {
  font-size: 1.1rem;
  color: var(--text-2);
  font-style: italic;
  margin-bottom: 1.75rem;
  line-height: 1.65;
}
.article-byline {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── ARTICLE BODY ── */
.article-body {
  padding: 3.5rem 2rem 2rem;
}
.article-body-inner {
  max-width: 740px;
  margin: 0 auto;
}
.article-body-inner p {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  font-weight: 300;
}
.article-body-inner h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text);
  margin: 3.5rem 0 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}
.article-body-inner h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin: 2.5rem 0 0.85rem;
  letter-spacing: -0.01em;
}
.article-body-inner strong {
  color: var(--text);
  font-weight: 600;
}
.article-body-inner em {
  font-style: italic;
  color: var(--muted);
}
.article-byline-end {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── ARTICLE NAVIGATION ── */
.article-nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 2rem 2rem 3rem;
  max-width: 740px;
  margin: 0 auto;
  gap: 1rem;
}
.article-nav-prev,
.article-nav-next,
.article-nav-index {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-decoration: none;
  transition: color 0.15s;
  max-width: 45%;
}
.article-nav-index { align-items: center; max-width: none; }
.article-nav-prev:hover .nav-title,
.article-nav-next:hover .nav-title,
.article-nav-index:hover .nav-title { color: var(--accent); }
.nav-direction {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.nav-title {
  font-size: 0.825rem;
  color: var(--text-2);
  font-weight: 400;
  line-height: 1.4;
  transition: color 0.15s;
}
.article-nav-next { align-items: flex-end; text-align: right; }

/* ── SECTION DIVIDER ── */
.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: 740px;
  margin: 0 auto;
}

/* ── FOOTER ── */
.pub-footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  margin-top: 2rem;
}
.pub-footer-inner {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.pub-footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}
.pub-footer-links {
  display: flex;
  gap: 1.25rem;
}
.pub-footer-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.pub-footer-links a:hover { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .pub-nav { padding: 0 1rem; }
  .pub-nav-links { gap: 1rem; }
  .pub-header, .article-header { padding: 3rem 1.25rem 2.5rem; }
  .pub-grid { padding: 2rem 1.25rem; grid-template-columns: 1fr; }
  .article-body { padding: 2.5rem 1.25rem 1.5rem; }
  .article-nav { padding: 1.5rem 1.25rem 2rem; flex-wrap: wrap; }
  .article-list, .signal-list { padding: 1rem 1.25rem 3rem; }
  .pub-footer-inner { flex-direction: column; align-items: flex-start; }
}