/* McFatties — design tokens ------------------------------------------------ */
:root {
  --mc-red: #da291c;
  --mc-yellow: #ffc72c;
  --mc-yellow-ink: #a57a00;

  --bg: #fafaf7;
  --bg-elev: #ffffff;
  --bg-subtle: #f1f2ee;
  --ink: #0e0f12;
  --ink-muted: #4b5159;
  --ink-soft: #7d8490;
  --line: #e3e5e0;
  --line-strong: #c9ccc3;
  --accent: var(--mc-red);
  --accent-soft: #fff0ee;

  --chor-0: #f4e7d3;
  --chor-1: #f3c98b;
  --chor-2: #eda853;
  --chor-3: #d6812d;
  --chor-4: #a8521a;
  --chor-5: #6f2d0e;

  --shadow-sm: 0 1px 2px rgba(10,12,16,.05), 0 1px 1px rgba(10,12,16,.04);
  --shadow-md: 0 8px 24px rgba(10,12,16,.08), 0 2px 6px rgba(10,12,16,.04);
  --radius: 12px;
  --radius-sm: 8px;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Fraunces", "Iowan Old Style", "Georgia", serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --container: 1200px;
}

[data-theme="dark"] {
  --bg: #0b0c0f;
  --bg-elev: #111318;
  --bg-subtle: #15181f;
  --ink: #f4f5f2;
  --ink-muted: #b8bcc5;
  --ink-soft: #7a8190;
  --line: #22262e;
  --line-strong: #2e333d;
  --accent: #ff5c4d;
  --accent-soft: #2a1412;

  --chor-0: #2a221a;
  --chor-1: #5a3a1d;
  --chor-2: #8b541f;
  --chor-3: #c07128;
  --chor-4: #e89538;
  --chor-5: #ffc872;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 10px 28px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.3);
}

/* Base -------------------------------------------------------------------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--accent); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.small { font-size: 12.5px; }
.muted { color: var(--ink-muted); }
.accent-red { color: var(--mc-red); font-style: normal; }
.accent-yellow { color: var(--mc-yellow-ink); font-style: normal; }
[data-theme="dark"] .accent-yellow { color: var(--mc-yellow); }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 6px;
}
.skip-link:focus { left: 16px; z-index: 100; }

/* Typography -------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.15;
  margin: 0;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: .95rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink-soft); }
p { margin: 0 0 1rem; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}
.lede { font-size: 1.125rem; color: var(--ink-muted); max-width: 58ch; }
.disclaimer-inline {
  display: inline-block;
  margin-top: 4px;
  padding: 8px 12px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: .92rem;
}

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  font-weight: 600; font-size: .92rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev); color: var(--ink);
  cursor: pointer; transition: transform .15s, background .15s, color .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
[data-theme="dark"] .btn-primary { background: var(--mc-yellow); color: #1a1406; border-color: var(--mc-yellow); }
.btn-primary:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 7px 12px; font-size: .85rem; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px;
  display: inline-grid; place-items: center;
  background: transparent; border: 1px solid var(--line);
  color: var(--ink); cursor: pointer;
}
.icon-btn:hover { border-color: var(--line-strong); }
.icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Header / nav ------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 24px; padding: 14px 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-word { font-family: var(--font-serif); font-size: 1.3rem; letter-spacing: -0.01em; }
.brand-mark { display: inline-grid; place-items: center; }
.site-nav { display: flex; gap: 18px; margin-left: 8px; flex: 1; }
.site-nav a { color: var(--ink-muted); font-weight: 500; font-size: .95rem; }
.site-nav a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }

@media (max-width: 780px) {
  .site-nav { display: none; }
}

/* Hero -------------------------------------------------------------------- */
.hero { padding: 72px 0 48px; background: radial-gradient(1200px 500px at 20% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.hero-copy h1 { margin-bottom: 18px; }
.hero-ctas { display: flex; gap: 10px; margin-top: 18px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 12px; color: var(--ink-soft); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.stat-value { font-family: var(--font-serif); font-size: 2rem; font-weight: 600; letter-spacing: -0.02em; }
.stat-unit { font-family: var(--font-sans); font-size: 1rem; color: var(--ink-muted); margin-left: 2px; }
.stat-sub { color: var(--ink-soft); font-size: 12px; margin-top: 2px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Section ----------------------------------------------------------------- */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 28px; flex-wrap: wrap; }

/* Map --------------------------------------------------------------------- */
.map-section { padding-bottom: 56px; }
.map-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.segmented {
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--bg-elev);
}
.seg {
  font-size: .85rem; font-weight: 600;
  padding: 7px 12px; border: none; background: transparent;
  color: var(--ink-muted); border-radius: 999px; cursor: pointer;
}
.seg:hover { color: var(--ink); }
.seg.is-active { background: var(--ink); color: var(--bg); }
[data-theme="dark"] .seg.is-active { background: var(--mc-yellow); color: #1a1406; }

.field {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .85rem; color: var(--ink-muted);
}
.field select, .field input[type="range"] {
  background: var(--bg-elev); color: var(--ink);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 10px; font-size: .85rem;
}
.field-label { font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .08em; }
.field-inline { gap: 6px; }

.map-grid { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 20px; }
.map-wrap { position: relative; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; min-height: 520px; }
.map-canvas { width: 100%; height: 620px; }
.map-canvas svg { width: 100%; height: 100%; display: block; }
.map-canvas path.county { stroke: color-mix(in srgb, var(--ink) 18%, transparent); stroke-width: .3px; cursor: pointer; transition: opacity .15s; }
.map-canvas path.state { fill: none; stroke: color-mix(in srgb, var(--ink) 55%, transparent); stroke-width: .7px; pointer-events: none; }
.map-canvas path.county.dimmed { opacity: .25; }
.map-canvas path.county.selected { stroke: var(--accent); stroke-width: 2px; }
.map-canvas circle.mcd-dot { fill: var(--mc-red); opacity: .55; pointer-events: none; }

.legend {
  position: absolute; left: 14px; bottom: 14px; right: 14px;
  background: color-mix(in srgb, var(--bg-elev) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 11.5px;
  color: var(--ink-muted);
  backdrop-filter: blur(6px);
}
.legend-title { font-weight: 600; color: var(--ink); margin-bottom: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.legend-bar { display: flex; height: 10px; border-radius: 3px; overflow: hidden; margin-bottom: 4px; }
.legend-bar span { flex: 1; }
.legend-ticks { display: flex; justify-content: space-between; font-size: 11px; font-family: var(--font-mono); color: var(--ink-soft); }

.tooltip {
  position: absolute; pointer-events: none;
  background: var(--ink); color: var(--bg);
  padding: 10px 12px; border-radius: 10px;
  font-size: 12.5px; line-height: 1.4;
  box-shadow: var(--shadow-md);
  max-width: 240px; opacity: 0; transform: translate(-50%, -120%);
  transition: opacity .12s;
  z-index: 5;
}
.tooltip.show { opacity: 1; }
.tooltip strong { display: block; font-size: 13px; margin-bottom: 4px; color: var(--mc-yellow); font-family: var(--font-serif); font-weight: 600; }
.tooltip .tt-row { display: flex; justify-content: space-between; gap: 12px; }
.tooltip .tt-k { color: color-mix(in srgb, var(--bg) 70%, transparent); }

.panel {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 520px;
  box-shadow: var(--shadow-sm);
}
.panel h3 { margin-bottom: 8px; }
.panel-empty p { color: var(--ink-muted); }
.panel .kv { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .95rem; }
.panel .kv:last-child { border-bottom: 0; }
.panel .kv .v { font-family: var(--font-mono); font-weight: 600; }
.panel .interpretation {
  margin-top: 14px; padding: 12px;
  background: var(--bg-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: .95rem;
  color: var(--ink);
}
.panel .tag {
  display: inline-block; font-size: 11px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  margin-right: 6px;
}
.panel .download {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink-muted); font-size: .85rem; text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 960px) {
  .map-grid { grid-template-columns: 1fr; }
  .panel { min-height: 0; }
  .map-canvas { height: 460px; }
}

/* Scatter ----------------------------------------------------------------- */
.scatter-grid { display: grid; grid-template-columns: minmax(0,1.5fr) 1fr; gap: 24px; }
.scatter-wrap { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 8px 8px; position: relative; }
.scatter-canvas { width: 100%; height: 500px; }
.scatter-axes-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-soft); padding: 0 12px 8px; }
.scatter-notes { background: var(--bg-subtle); border-radius: var(--radius); padding: 20px; border: 1px solid var(--line); }
.scatter-notes ul { margin: 12px 0 0; padding-left: 18px; }
.scatter-notes li { margin-bottom: 8px; color: var(--ink-muted); }
.legend-inline { display: flex; gap: 18px; color: var(--ink-muted); font-size: .85rem; }
.legend-inline .k { color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; font-size: 11px; margin-right: 6px; }
.legend-inline .v { color: var(--ink); font-family: var(--font-mono); font-weight: 600; }

.scatter-canvas circle.dot { fill: var(--mc-yellow); stroke: color-mix(in srgb, var(--ink) 70%, transparent); stroke-width: .5px; opacity: .55; cursor: pointer; transition: opacity .15s, r .15s; }
.scatter-canvas circle.dot:hover { opacity: 1; }
.scatter-canvas circle.dot.selected { fill: var(--accent); stroke: var(--ink); opacity: 1; }
.scatter-canvas .trend { stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 4 4; fill: none; }
.scatter-canvas .axis text { fill: var(--ink-soft); font-size: 11px; font-family: var(--font-mono); }
.scatter-canvas .axis line, .scatter-canvas .axis path { stroke: var(--line-strong); }
.scatter-canvas .grid line { stroke: var(--line); stroke-dasharray: 2 3; }

@media (max-width: 900px) {
  .scatter-grid { grid-template-columns: 1fr; }
  .scatter-canvas { height: 380px; }
}

/* Rankings ---------------------------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  background: var(--bg-elev); border: 1px solid var(--line);
  color: var(--ink-muted); padding: 8px 14px; border-radius: 999px;
  font-size: .85rem; font-weight: 600; cursor: pointer;
}
.tab:hover { color: var(--ink); }
.tab.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
[data-theme="dark"] .tab.is-active { background: var(--mc-yellow); color: #1a1406; border-color: var(--mc-yellow); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.data-table th, .data-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.data-table th { font-weight: 600; color: var(--ink-soft); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; cursor: pointer; background: var(--bg-subtle); }
.data-table th.num, .data-table td.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.data-table tbody tr { cursor: pointer; transition: background .12s; }
.data-table tbody tr:hover { background: var(--bg-subtle); }
.data-table tr.is-active { background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* Insights ---------------------------------------------------------------- */
.insight-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px; margin-bottom: 32px;
}
.insight-card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px;
}
.insight-card .eyebrow { color: var(--ink-soft); }
.insight-card .big { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 600; line-height: 1.05; margin: 6px 0 8px; }
.insight-card p { color: var(--ink-muted); margin: 0; font-size: .9rem; }

.article-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.article-card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.article-card h3 { margin-bottom: 8px; }
.article-card p { color: var(--ink-muted); margin: 0; }

/* Methodology ------------------------------------------------------------- */
.methodology { background: var(--bg-subtle); border-top: 1px solid var(--line); }
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.method-grid h3 { margin: 0 0 10px; font-family: var(--font-sans); font-size: 0.95rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.method-grid h3 + ul, .method-grid h3 + ol, .method-grid h3 + p { margin-bottom: 22px; }
.method-grid ul, .method-grid ol { padding-left: 18px; color: var(--ink-muted); }
.method-grid li { margin-bottom: 8px; }
.method-grid code { background: var(--bg-elev); padding: 1px 6px; border-radius: 4px; font-size: 12.5px; border: 1px solid var(--line); }
.method-grid a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 820px) { .method-grid { grid-template-columns: 1fr; } }

/* Footer ------------------------------------------------------------------ */
.site-footer { background: var(--ink); color: color-mix(in srgb, var(--bg) 85%, transparent); margin-top: 48px; padding: 48px 0 24px; }
.site-footer h4 { color: var(--bg); margin-bottom: 10px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid .brand-word { color: var(--bg); }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer-links a { color: color-mix(in srgb, var(--bg) 70%, transparent); font-size: .9rem; }
.footer-links a:hover { color: var(--mc-yellow); }
.site-footer .muted { color: color-mix(in srgb, var(--bg) 55%, transparent); }
.footer-legal { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* Accessibility focus states --------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Reduced motion ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Inter & Fraunces from Google Fonts as system fallback */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400 700; font-display: swap; src: local("Inter"); }