/* ===== Design tokens ===== */
:root, [data-theme="light"] {
  --color-bg: #f6f5f2;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaf7;
  --color-surface-offset: #eeece6;
  --color-divider: #dedad2;
  --color-border: #d3cfc5;

  --color-text: #191a17;
  --color-text-muted: #605c53;
  --color-text-faint: #9b968a;
  --color-text-inverse: #f6f5f2;

  --color-primary: #1f3a5f;       /* navy — legal / institutional */
  --color-primary-hover: #16294a;
  --color-primary-active: #0f1d34;
  --color-primary-highlight: #d9e1ea;

  --color-accent: #8a2332;        /* muted crimson — enforcement / risk */
  --color-accent-hover: #6e1c28;
  --color-accent-highlight: #ecd8dc;

  --color-warning: #96551b;
  --color-warning-highlight: #e6dccb;

  --color-success: #3c6b2f;
  --color-success-highlight: #d8e3d1;

  --color-blue: #2a5f8f;
  --color-blue-highlight: #d5e2ec;

  --color-gold: #a9791b;
  --color-gold-highlight: #ecdfc2;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
}

[data-theme="dark"] {
  --color-bg: #12130f;
  --color-surface: #1a1b16;
  --color-surface-2: #1f201a;
  --color-surface-offset: #24251f;
  --color-divider: #33352c;
  --color-border: #3a3c32;

  --color-text: #f1efe8;
  --color-text-muted: #b3ae9f;
  --color-text-faint: #726d5f;
  --color-text-inverse: #191a17;

  --color-primary: #7fa3cc;
  --color-primary-hover: #9bb9db;
  --color-primary-active: #b3cae3;
  --color-primary-highlight: #263449;

  --color-accent: #d8828f;
  --color-accent-hover: #e2a1ac;
  --color-accent-highlight: #402329;

  --color-warning: #cf9b52;
  --color-warning-highlight: #3d2f1a;

  --color-success: #8bbb7a;
  --color-success-highlight: #253321;

  --color-blue: #79aede;
  --color-blue-highlight: #1f2f3d;

  --color-gold: #d9b45f;
  --color-gold-highlight: #392f19;
}

:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.78rem + 0.25vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.9rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.5vw, 1.3125rem);
  --text-xl: clamp(1.375rem, 1.1rem + 1vw, 2rem);
  --text-2xl: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'IBM Plex Sans', 'Inter', system-ui, -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'IBM Plex Sans', 'Inter', system-ui, sans-serif; margin: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono, .num { font-family: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace; font-variant-numeric: tabular-nums lining-nums; }

/* ===== Layout ===== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-mark { flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.01em; }
.brand-sub { font-size: var(--text-xs); color: var(--color-text-muted); }

.nav { display: flex; gap: var(--space-1); flex-wrap: wrap; }
.nav a {
  color: var(--color-text-muted); font-size: var(--text-xs); font-weight: 600;
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  text-decoration: none; white-space: nowrap;
}
.nav a:hover { background: var(--color-surface-offset); color: var(--color-text); text-decoration: none; }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface-2);
  cursor: pointer; color: var(--color-text);
}
.theme-toggle svg { width: 16px; height: 16px; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-6); }
section { padding-block: var(--space-16); border-bottom: 1px solid var(--color-divider); }
section:last-of-type { border-bottom: none; }
.section-head { margin-bottom: var(--space-8); max-width: 760px; }
.section-kicker {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: var(--space-2); display: block;
}
.section-title { font-size: var(--text-xl); font-weight: 700; margin-bottom: var(--space-3); letter-spacing: -0.01em; }
.section-desc { color: var(--color-text-muted); font-size: var(--text-base); }

/* ===== Hero ===== */
.hero { padding-block: var(--space-20) var(--space-12); border-bottom: 1px solid var(--color-divider); }
.hero-title { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.015em; max-width: 900px; margin-bottom: var(--space-5); }
.hero-title em { font-style: normal; color: var(--color-accent); }
.hero-desc { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 720px; margin-bottom: var(--space-8); font-weight: 400; }
.hero-meta { display: flex; gap: var(--space-6); flex-wrap: wrap; font-size: var(--text-xs); color: var(--color-text-faint); }
.hero-meta strong { color: var(--color-text-muted); }

/* ===== KPI cards ===== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }
.kpi-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-5);
}
.kpi-card .kpi-label { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.kpi-card .kpi-value { font-size: var(--text-xl); font-weight: 700; margin-top: var(--space-2); }
.kpi-card .kpi-sub { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-1); }
.kpi-card.accent .kpi-value { color: var(--color-accent); }

/* ===== Cards / panels ===== */
.panel {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
}
.panel + .panel { margin-top: var(--space-5); }
.panel-title { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-2); }
.tag {
  display: inline-flex; align-items: center; font-size: var(--text-xs); font-weight: 700;
  padding: 0.15rem 0.55rem; border-radius: 999px;
}
.tag.navy { background: var(--color-primary-highlight); color: var(--color-primary); }
.tag.crimson { background: var(--color-accent-highlight); color: var(--color-accent); }
.tag.gold { background: var(--color-gold-highlight); color: var(--color-gold); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 880px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav { display: none; }
}

.chart-wrap { position: relative; height: 300px; }
.chart-wrap.short { height: 220px; }
.chart-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }

/* ===== Corporate structure tree ===== */
.org-col { display: flex; flex-direction: column; gap: var(--space-3); }
.org-node {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4); background: var(--color-surface-2);
  font-size: var(--text-sm);
}
.org-node.root { border-color: var(--color-primary); background: var(--color-primary-highlight); font-weight: 700; }
.org-node.sub { margin-left: var(--space-6); border-left: 3px solid var(--color-primary); }
.org-node .org-label { font-weight: 700; }
.org-node .org-meta { color: var(--color-text-muted); font-size: var(--text-xs); margin-top: 2px; }
.org-arrow { text-align: center; color: var(--color-text-faint); font-size: var(--text-xs); padding: 2px 0; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
thead th {
  position: sticky; top: 0; background: var(--color-surface-offset); text-align: left;
  padding: var(--space-3) var(--space-4); font-size: var(--text-xs); text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--color-text-muted); font-weight: 700; white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}
tbody td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-divider); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-surface-2); }
td.num, th.num { text-align: right; font-family: 'IBM Plex Mono', monospace; font-variant-numeric: tabular-nums; }
.small { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ===== Enforcement cards ===== */
.enf-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-5); background: var(--color-surface); }
.enf-card + .enf-card { margin-top: var(--space-4); }
.enf-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-3); }
.enf-matter { font-weight: 700; font-size: var(--text-base); }
.enf-date { font-size: var(--text-xs); color: var(--color-text-faint); font-family: 'IBM Plex Mono', monospace; white-space: nowrap; }
.enf-row { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-3); margin-bottom: var(--space-2); font-size: var(--text-sm); }
.enf-row .k { color: var(--color-text-muted); font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; padding-top: 2px; }
.enf-row .v.monetary { color: var(--color-accent); font-weight: 700; }
.enf-sources { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-3); }
.enf-sources a { font-size: var(--text-xs); }
@media (max-width: 640px) { .enf-row { grid-template-columns: 1fr; } }

/* ===== Quote blocks ===== */
.quote { border-left: 3px solid var(--color-primary); padding-left: var(--space-4); margin: var(--space-4) 0; font-size: var(--text-sm); font-style: italic; color: var(--color-text); }
.quote cite { display: block; font-style: normal; font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-1); }

/* ===== Callout ===== */
.callout {
  border: 1px solid var(--color-border); border-left: 4px solid var(--color-accent);
  background: var(--color-accent-highlight); border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5); font-size: var(--text-sm); color: var(--color-text);
}
.callout.info { border-left-color: var(--color-primary); background: var(--color-primary-highlight); }

/* ===== Legend ===== */
.legend { display: flex; gap: var(--space-4); flex-wrap: wrap; font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

/* ===== Footer / sources ===== */
footer { padding: var(--space-12) 0 var(--space-20); }
.src-list { columns: 2; column-gap: var(--space-8); font-size: var(--text-xs); color: var(--color-text-muted); }
.src-list li { margin-bottom: var(--space-2); break-inside: avoid; }
@media (max-width: 720px) { .src-list { columns: 1; } }

.subhead { font-size: var(--text-base); font-weight: 700; margin: var(--space-6) 0 var(--space-3); }
.subhead:first-child { margin-top: 0; }