:root {
  --bg: #0a0e1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-dim: #1e3a5f;
  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.1);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.1);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.1);
  --border: #1e293b;
  --border-light: #334155;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #0a0e1a 0%, #0f172a 50%, #111827 100%);
  border-bottom: 1px solid var(--border);
  padding: 80px 20px 60px;
  text-align: center;
}

.hero-inner { max-width: 800px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent-light);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  border: 1px solid var(--accent);
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-meta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-meta span { display: inline-flex; align-items: center; gap: 5px; }

/* ===== STICKY NAV ===== */
.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.nav-inner a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.nav-inner a:hover {
  color: var(--accent-light);
  border-bottom-color: var(--accent);
}

/* ===== MAIN ===== */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}

section {
  margin-bottom: 80px;
  scroll-margin-top: 70px;
}

h2 {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-sub {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 30px;
}

section p {
  margin-bottom: 16px;
  color: var(--text);
}

/* ===== CALLOUT ===== */
.callout {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 0.95rem;
}

.callout strong { color: var(--accent-light); }

/* ===== PILLAR CARDS ===== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  transition: all 0.3s ease;
}

.pillar-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.pillar-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--border-light);
  line-height: 1;
}

.pillar-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent-light);
  max-width: 75%;
}

.pillar-card p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.pillar-card p strong { color: var(--text); }

/* ===== COMPARISON TABLE ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.comparison-table th {
  background: var(--bg-card);
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--text);
  border-bottom: 2px solid var(--border-light);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.comparison-table th.highlight-col {
  color: var(--accent-light);
  background: var(--accent-dim);
}

.comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-dim);
}

.comparison-table tr:hover td {
  background: var(--bg-card);
}

.comparison-table .dim-cell {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.comparison-table .highlight-col {
  background: var(--accent-dim);
  color: var(--text);
  font-weight: 500;
}

.corr-badge {
  display: inline-block;
  background: var(--green-dim);
  color: var(--green);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
  white-space: nowrap;
  vertical-align: middle;
}

.new-badge {
  display: inline-block;
  background: var(--amber-dim);
  color: var(--amber);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
}

.correction-note {
  background: var(--amber-dim);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 8px;
  padding: 14px 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 16px;
}

.correction-note strong { color: var(--amber); }

/* ===== IMPACT CARDS ===== */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.impact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.impact-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.impact-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.impact-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.impact-card p strong { color: var(--text); }

.impact-card.highlight-impact {
  border-color: var(--red);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.badge-critical {
  display: inline-block;
  background: var(--red-dim);
  color: var(--red);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 700;
}

/* ===== TENSIONS ===== */
.tension-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tension-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.tension-item:hover { border-color: var(--border-light); }

.tension-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.tension-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.tension-item p {
  font-size: 0.92rem;
  color: var(--text-dim);
}

.tension-item p strong { color: var(--text); }

/* ===== ANALYSIS ===== */
.analysis-block {
  margin-bottom: 36px;
}

.analysis-block h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
}

.analysis-good { color: var(--green); border-bottom: 1px solid var(--green-dim); }
.analysis-bad { color: var(--red); border-bottom: 1px solid var(--site-red-dim, var(--red-dim)); }
.analysis-note { color: var(--amber); border-bottom: 1px solid var(--amber-dim); }

.analysis-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analysis-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.analysis-list li strong { color: var(--text); }

/* PROBLEMS TABLE */
.problems-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.problems-table th {
  background: var(--bg-card);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
}

.problems-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.problems-table td:nth-child(4) { color: var(--text); font-size: 0.85rem; }

.sev-high { color: var(--red) !important; font-weight: 700; }
.sev-med { color: var(--amber) !important; font-weight: 600; }
.sev-low { color: var(--green) !important; font-weight: 500; }

/* ===== RECOMMENDATIONS ===== */
.rec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.rec-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.rec-group h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 14px;
}

.rec-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rec-group li {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding-left: 20px;
  position: relative;
}

.rec-group li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.rec-group li strong { color: var(--text); }

/* ===== UPDATE LOG ===== */
.update-log {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.log-entry {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.log-date {
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.log-entry ul {
  list-style: disc;
  padding-left: 20px;
}

.log-entry li {
  font-size: 0.88rem;
  color: var(--text-dild);
  color: var(--text-dim);
  margin-bottom: 6px;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--accent-light);
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 0.95rem; }
  .nav-inner { gap: 12px; }
  .nav-inner a { font-size: 0.8rem; }
  .pillar-grid, .impact-grid { grid-template-columns: 1fr; }
  .tension-item { flex-direction: column; }
  main { padding: 40px 16px; }
  section { margin-bottom: 60px; }
  h2 { font-size: 1.5rem; }
}

/* ===== CROSS-REFERENCE / VALIDATION SECTION ===== */
.xref-summary {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.xref-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.xref-stat .stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.xref-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-num.green { color: var(--green); }
.stat-num.red { color: var(--red); }
.stat-num.amber { color: var(--amber); }
.stat-num.blue { color: var(--accent-light); }

/* Verified claims table */
.xref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.xref-table th {
  background: var(--bg-card);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

.xref-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.xref-table tr:hover td { background: var(--bg-card); }

.xref-table .col-claim { color: var(--text); font-weight: 500; max-width: 250px; }
.xref-table .col-ref { color: var(--accent-light); font-family: monospace; font-size: 0.8rem; white-space: nowrap; }

.check-icon { color: var(--green); font-weight: 700; }
.cross-icon { color: var(--red); font-weight: 700; }
.warn-icon { color: var(--amber); font-weight: 700; }

/* Inaccuracy cards */
.inaccuracy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: 0 12px 12px 0;
  padding: 24px;
  margin-bottom: 20px;
}

.inaccuracy-card .ina-num {
  display: inline-block;
  background: var(--red-dim);
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.inaccuracy-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.inaccuracy-card .ina-says,
.inaccuracy-card .ina-actual {
  font-size: 0.9rem;
  margin-bottom: 8px;
  padding: 10px 14px;
  border-radius: 6px;
}

.inaccuracy-card .ina-says {
  background: var(--red-dim);
  border-left: 2px solid var(--red);
}

.inaccuracy-card .ina-actual {
  background: var(--green-dim);
  border-left: 2px solid var(--green);
}

.inaccuracy-card .ina-says strong,
.inaccuracy-card .ina-actual strong { display: block; margin-bottom: 4px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px; }
.inaccuracy-card .ina-says strong { color: var(--red); }
.inaccuracy-card .ina-actual strong { color: var(--green); }

/* Residency tier table */
.tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin: 16px 0;
}

.tier-table th {
  background: var(--bg-card);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
}

.tier-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.tier-table .tier-name {
  font-weight: 700;
  white-space: nowrap;
}

.tier-table .tier-1 { color: var(--red); }
.tier-table .tier-2 { color: var(--amber); }
.tier-table .tier-3 { color: var(--green); }

/* Omission cards */
.omission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.omission-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 0 12px 12px 0;
  padding: 24px;
}

.omission-card .om-sev {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.om-sev.critical { background: var(--red-dim); color: var(--red); }
.om-sev.major { background: var(--amber-dim); color: var(--amber); }
.om-sev.minor { background: var(--green-dim); color: var(--green); }

.omission-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.omission-card .om-ref {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--accent-light);
  margin-bottom: 10px;
}

.omission-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.omission-card .om-detail {
  background: rgba(59, 130, 246, 0.05);
  border-radius: 6px;
  padding: 12px;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.omission-card .om-detail li {
  margin-bottom: 4px;
}

/* Instruments table */
.instruments-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.instruments-table th {
  background: var(--bg-card);
  padding: 8px 12px;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
}

.instruments-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.instruments-table .inst-ref {
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--accent-light);
  white-space: nowrap;
}

.instruments-table .inst-name { color: var(--text); font-weight: 500; }

.instruments-table tr:hover td { background: var(--bg-card); }

/* Editorial claims */
.editorial-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.editorial-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.editorial-list li strong { color: var(--text); }

/* Fix priority cards */
.fix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.fix-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.fix-card .fix-pri {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fix-pri.p1 { background: var(--red-dim); color: var(--red); }
.fix-pri.p2 { background: var(--amber-dim); color: var(--amber); }
.fix-pri.p3 { background: var(--accent-dim); color: var(--accent-light); }

.fix-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.fix-card ol {
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.fix-card ol li { margin-bottom: 6px; }
.fix-card ol li strong { color: var(--text); }

/* Section intro banner */
.xref-intro {
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 100%);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 24px 28px;
  margin-bottom: 36px;
  font-size: 0.95rem;
  color: var(--text-dim);
}

.xref-intro strong { color: var(--accent-light); }

/* Collapsible sub-section toggles */
.xref-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
  transition: all 0.2s;
}

.xref-toggle:hover { border-color: var(--accent); background: var(--bg-card-hover); }

.xref-toggle h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.xref-toggle .toggle-icon {
  font-size: 1.2rem;
  transition: transform 0.3s;
  color: var(--accent-light);
}

.xref-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.xref-content.open { max-height: 9999px; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }