/* BlackIntervention Data Hub. Dignified, serious, data-first. Self-hosted system fonts only. */

:root {
  --navy: #0e2a47;
  --navy-deep: #081c30;
  --navy-soft: #1c3e60;
  --accent: #c8772e;        /* warm ochre */
  --accent-deep: #a85e1d;
  --paper: #f7f4ee;         /* warm parchment */
  --surface: #ffffff;
  --ink: #1a1f24;
  --ink-soft: #4a5560;
  --line: #d9d2c5;
  --line-soft: #e7e1d6;
  --good: #2f6b3f;
  --warn: #8a6d1f;
  --plan: #5a6470;
  --focus: #1f6feb;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', 'Iowan Old Style', serif;
  font-size: 17px;
  line-height: 1.55;
}

h1, h2, h3, h4, .ui {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--navy-soft); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent-deep); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
  border-bottom: 4px solid var(--accent);
}
.site-header .bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
}
.brand:hover { color: #fff; }
.brand .mark { flex: 0 0 auto; }
.brand .name {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.2px;
  line-height: 1.2;
}
.brand .name span { display: block; font-weight: 400; font-size: 0.78rem; opacity: 0.85; }

.site-nav { display: flex; gap: 6px; flex-wrap: wrap; }
.site-nav a {
  color: #f4f0e8;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.92rem;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
}
.site-nav a:hover { background: var(--navy-soft); color: #fff; }

/* Layout */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.hero {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 6px solid var(--accent);
  border-radius: 8px;
  padding: 28px 26px;
  margin-bottom: 32px;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: 1.9rem;
  line-height: 1.15;
  color: var(--navy);
}
.hero p { margin: 0 0 6px; color: var(--ink-soft); max-width: 64ch; }
.hero .links {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  cursor: pointer;
}
.btn:hover { background: var(--navy-deep); color: #fff; }
.btn.ghost { background: transparent; color: var(--navy); }
.btn.ghost:hover { background: var(--surface); color: var(--navy); }

/* Category sections */
.cat-section { margin-bottom: 40px; }
.cat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 8px;
  margin-bottom: 18px;
}
.cat-head h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--navy);
  text-transform: capitalize;
}
.cat-head .count {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 620px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 920px) { .card-grid { grid-template-columns: 1fr 1fr 1fr; } }

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: var(--navy-soft);
  box-shadow: 0 4px 14px rgba(14, 42, 71, 0.12);
  color: var(--ink);
}
.card .ordinal {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.75rem;
  color: var(--ink-soft);
  letter-spacing: 0.5px;
}
.card h3 {
  margin: 6px 0 10px;
  font-size: 1.08rem;
  line-height: 1.25;
  color: var(--navy);
}
.card .src {
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin: 0 0 14px;
  flex: 1 1 auto;
}
.card .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid;
}
.badge.status-planned { color: var(--plan); border-color: var(--plan); background: #f0f1f3; }
.badge.status-wiring  { color: var(--warn); border-color: var(--warn); background: #faf3df; }
.badge.status-live    { color: var(--good); border-color: var(--good); background: #e8f3ec; }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.card-arrow { color: var(--navy-soft); display: inline-flex; }

/* Single chart page */
.crumbs {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.85rem;
  margin-bottom: 16px;
  color: var(--ink-soft);
}
.crumbs a { color: var(--navy-soft); }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}
.panel h1 { margin: 0 0 6px; color: var(--navy); font-size: 1.6rem; line-height: 1.2; }
.panel .sub {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

.wiring {
  border: 1px dashed var(--accent);
  background: #fbf6ee;
  border-radius: 8px;
  padding: 28px 22px;
  text-align: center;
  color: var(--ink-soft);
}
.wiring .title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  color: var(--accent-deep);
  margin-bottom: 6px;
}

.metric-list { list-style: none; padding: 0; margin: 18px 0 0; }
.metric-list li {
  border-top: 1px solid var(--line-soft);
  padding: 12px 0;
}
.metric-list .m-label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 600;
  color: var(--navy);
}
.metric-list .m-def { font-size: 0.94rem; color: var(--ink-soft); margin-top: 2px; }
.metric-list .m-unit {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--ink-soft);
}

/* Numeric values: brand rule requires black. */
.num { color: #000000; }

.chart-holder { margin-top: 8px; }
.chart-holder svg { max-width: 100%; height: auto; display: block; }

/* Data tables */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  margin-top: 16px;
}
table.data-table caption {
  text-align: left;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
table.data-table th, table.data-table td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}
table.data-table th { background: #f1ede4; color: var(--navy); }
table.data-table td.value { color: #000000; text-align: right; }

/* Methodology + Sources prose */
.prose { max-width: 72ch; }
.prose h1 { color: var(--navy); font-size: 1.9rem; margin: 0 0 8px; }
.prose h2 { color: var(--navy); font-size: 1.3rem; margin: 32px 0 10px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.prose h3 { color: var(--navy); font-size: 1.08rem; margin: 22px 0 6px; }
.prose p { margin: 0 0 14px; }
.prose ol, .prose ul { margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.lede { font-size: 1.12rem; color: var(--ink-soft); }

.note {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 20px 0;
}
.note strong { color: var(--navy); }

.weights {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.92rem;
}

/* Sources table */
.src-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 0.9rem; }
.src-table th, .src-table td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.src-table th { background: var(--navy); color: #fff; }
.src-table tr:nth-child(even) td { background: #faf8f3; }
.src-table .cadence { text-transform: capitalize; }

.status-line {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  padding: 10px 0;
}
.error-box {
  border: 1px solid #c0392b;
  background: #fdecea;
  color: #7a241b;
  padding: 14px 16px;
  border-radius: 6px;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: #cdd6e0;
  margin-top: 48px;
}
.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.86rem;
}
.site-footer a { color: #e7d2b6; }
.site-footer .row { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 10px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}