/* ════════════════════════════════════════════════════════════
   SCAIO Flagship Report — shared stylesheet
   The Artificial Intelligence Landscape of South Carolina
   ════════════════════════════════════════════════════════════ */

:root {
  --navy:      #081a36;
  --navy-2:    #0a2a54;
  --blue:      #0b4ea2;
  --blue-2:    #2f7ae5;
  --blue-soft: #dbeafe;
  --surface:   #ffffff;
  --bg:        #f6f8fb;
  --border:    #d9e4f2;
  --text:      #142133;
  --muted:     #4b5a6b;
  --max:       760px;
  --max-wide:  920px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* ── Site bar ── */
.site-bar {
  background: linear-gradient(90deg, #081a36, #0a2a54);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-bar .brand {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.15rem;
  color: #fff;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.site-bar .crumbs {
  display: flex;
  gap: 14px;
  align-items: center;
}
.site-bar .crumbs a,
.site-bar .crumbs span {
  font-size: 0.82rem;
  color: rgba(185,214,255,0.78);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.site-bar .crumbs a:hover { color: #fff; }
.site-bar .crumbs .sep { color: rgba(185,214,255,0.4); }
.site-bar .crumbs .current { color: rgba(255,255,255,0.92); }

/* ── Report cover (TOC page) ── */
.cover {
  background: linear-gradient(135deg, #081a36 0%, #0b2e5e 60%, #14597d 100%);
  color: #fff;
  padding: 80px 24px 90px;
  position: relative;
  overflow: hidden;
}
.cover::before, .cover::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.16;
  pointer-events: none;
}
.cover::before { width: 360px; height: 360px; right: -100px; top: -40px; background: #1aa7ff; }
.cover::after  { width: 280px; height: 280px; left: -80px; bottom: -60px; background: #2f7ae5; }
.cover-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  position: relative;
}
.cover .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  margin-bottom: 26px;
}
.cover h1 {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(2.2rem, 5.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
  font-weight: 700;
  max-width: 14ch;
}
.cover .subhead {
  font-family: 'Libre Baskerville', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: rgba(220,235,255,0.86);
  max-width: 60ch;
  margin-bottom: 32px;
  line-height: 1.55;
}
.cover .meta {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(185,214,255,0.85);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── TOC ── */
.toc-wrap {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 60px 24px 100px;
}
.toc-intro {
  font-size: 1.08rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 64ch;
  margin-bottom: 50px;
  border-left: 3px solid var(--blue-2);
  padding-left: 18px;
  font-family: 'Libre Baskerville', serif;
  font-style: italic;
}
.toc-section-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 50px 0 18px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
.toc-section-label:first-child { margin-top: 0; }
.toc-list {
  display: grid;
  gap: 14px;
}
.toc-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.toc-item:hover {
  transform: translateY(-1px);
  border-color: #b8cbe6;
}
.toc-item .num {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.01em;
}
.toc-item .title {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.08rem;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 3px;
}
.toc-item .blurb {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
}
.toc-item .arrow {
  color: var(--blue);
  font-size: 1.1rem;
}
.toc-item.draft .num { color: #94a3b8; }
.toc-item.draft .title { color: var(--muted); }
.toc-item.draft .arrow { color: #94a3b8; }
.toc-item .status-pill {
  margin-left: 6px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: #fff7ed;
  color: #b45309;
  border: 1px solid #fed7aa;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
}

/* ── Chapter page ── */
.chapter-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 80px;
}
.chapter-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.chapter-meta .num {
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid #bdd4f8;
}
.chapter-meta .read-time {
  color: var(--muted);
  font-size: 0.82rem;
}
.chapter-wrap h1 {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(2rem, 4.8vw, 2.85rem);
  line-height: 1.12;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.chapter-wrap .dek {
  font-size: 1.12rem;
  color: var(--muted);
  line-height: 1.7;
  border-left: 3px solid var(--blue-2);
  padding-left: 18px;
  margin-bottom: 40px;
  font-family: 'Libre Baskerville', serif;
  font-style: italic;
}

/* ── Body prose ── */
.prose p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
  margin-bottom: 22px;
}
.prose h2 {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.55rem;
  color: var(--navy);
  margin: 50px 0 18px;
  letter-spacing: -0.01em;
}
.prose h3 {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.18rem;
  color: var(--navy);
  margin: 36px 0 12px;
  font-weight: 700;
}
.prose h4 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy);
  margin: 28px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.prose ul, .prose ol {
  padding-left: 22px;
  margin-bottom: 22px;
}
.prose li {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 10px;
}
.prose blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--blue-2);
  background: var(--surface);
  border-radius: 0 12px 12px 0;
  color: var(--muted);
  font-style: italic;
  font-family: 'Libre Baskerville', serif;
  font-size: 1.05rem;
}
.prose blockquote cite {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--blue);
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.prose a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.prose a:hover { color: var(--blue-2); }
.prose strong { color: var(--navy); }

/* ── Stat row ── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 36px 0;
}
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 18px;
  text-align: center;
}
.stat-box .num {
  font-family: 'Libre Baskerville', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-box .label {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Dark callout ── */
.dark-callout {
  background: linear-gradient(135deg, #081a36 0%, #0b2e5e 100%);
  border-radius: 20px;
  padding: 36px 32px;
  margin: 44px 0;
  color: #fff;
}
.dark-callout .kicker {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #b9d6ff;
  margin-bottom: 14px;
}
.dark-callout h3 {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.4rem;
  color: #fff;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.dark-callout p {
  color: rgba(220,235,255,0.88);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 14px;
}
.dark-callout p:last-child { margin-bottom: 0; }
.dark-callout ul {
  padding-left: 20px;
  margin: 12px 0 18px;
}
.dark-callout li {
  color: rgba(220,235,255,0.88);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 8px;
}

/* ── Light card cluster (for industry sections, etc.) ── */
.card-cluster {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 28px 0;
}
.cluster-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
}
.cluster-card .label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.cluster-card h4 {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}
.cluster-card p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── Recommendation card (Path Forward chapter) ── */
.recommendation {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-left: 4px solid var(--blue-2);
  border-radius: 0 14px 14px 0;
  padding: 22px 24px;
  margin: 22px 0;
}
.recommendation .label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 6px;
}
.recommendation h4 {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.08rem;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 700;
}
.recommendation p {
  margin: 0;
  color: var(--text);
  font-size: 0.97rem;
  line-height: 1.75;
}

/* ── Chapter navigation footer ── */
.chapter-nav {
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.chapter-nav a {
  display: block;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}
.chapter-nav a:hover { border-color: #b8cbe6; }
.chapter-nav .label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.chapter-nav .title {
  font-family: 'Libre Baskerville', serif;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.98rem;
}
.chapter-nav .next { text-align: right; }

/* ── Source notes ── */
.sources {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.7;
}
.sources h4 {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.sources ol {
  padding-left: 24px;
}
.sources li {
  margin-bottom: 6px;
  font-size: 0.83rem;
}
.sources a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

/* ── Mobile ── */
@media (max-width: 700px) {
  .stat-row { grid-template-columns: 1fr; }
  .chapter-nav { grid-template-columns: 1fr; }
  .toc-item { grid-template-columns: 44px 1fr; }
  .toc-item .arrow { display: none; }
}

/* ── Print stylesheet ── */
@media print {
  body { background: #fff; color: #111; font-size: 11pt; line-height: 1.55; }
  .site-bar, .chapter-nav { display: none; }
  .chapter-wrap { max-width: 100%; padding: 24px 36px; }
  .chapter-wrap h1 { font-size: 18pt; }
  .prose h2 { font-size: 13pt; margin: 22pt 0 10pt; }
  .prose h3 { font-size: 11.5pt; margin: 16pt 0 8pt; }
  .stat-row { grid-template-columns: repeat(3, 1fr); }
  .dark-callout { background: #f4f7fb; color: #111; border: 1px solid #ccc; }
  .dark-callout p, .dark-callout li, .dark-callout h3 { color: #111; }
  .dark-callout .kicker { color: #0b4ea2; }
  a { color: #0b4ea2 !important; text-decoration: none; }
  a::after { content: " [" attr(href) "]"; font-size: 8pt; color: #666; }
  .chapter-wrap a::after { content: ""; } /* keep clean for internal */
}