/* Theoria Weekly — shared styles */
:root {
  --paper: #FAFAF7;
  --surface: #FFFFFF;
  --tint: #F0F0EA;
  --ink: #17191E;
  --ink-2: #3E434B;
  --muted: #5B606A;
  --faint: #9AA0A8;
  --rule: #DEDED8;
  --accent: #B83A1B;
  --accent-dark: #8C2A12;
  --accent-soft: #F9E3DA;
  --on-dark-accent: #F2B8A3;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
  --shadow: 0 1px 2px rgba(23,25,30,0.06), 0 4px 16px rgba(23,25,30,0.05);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 18px; line-height: 1.6; text-rendering: optimizeLegibility; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

.sans { font-family: var(--sans); }
.tnum { font-variant-numeric: tabular-nums lining-nums; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.eyebrow { margin: 0; font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.eyebrow.muted { color: var(--muted); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 10; background: var(--ink); color: #fff; padding: 12px 16px; font-family: var(--sans); }
.skip:focus { left: 8px; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-top: 12px; padding-bottom: 12px; font-family: var(--sans); }
.brand { display: flex; align-items: center; gap: 12px; min-height: 44px; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 32px; height: 32px; background: var(--ink); color: var(--paper); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 22px; font-weight: 600; }
.brand-name { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: 0.16em; }
.brand-name small { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; color: var(--muted); margin-left: 8px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 12px; font-size: 15px; font-weight: 500; color: var(--ink); text-decoration: none; transition: color 150ms ease-out; }
.nav a:hover { color: var(--accent); }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); font-family: var(--sans); margin-top: 96px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px 48px; padding-top: 48px; padding-bottom: 48px; }
.site-footer .name { margin: 0 0 8px; font-family: var(--serif); font-size: 20px; font-weight: 600; letter-spacing: 0.16em; }
.site-footer p { margin: 0; font-size: 14px; color: var(--muted); }
.site-footer p.name { margin: 0 0 8px; font-size: 20px; color: var(--ink); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 14px; }
.site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 8px; color: var(--ink); text-decoration: none; }
.site-footer nav a:hover { color: var(--accent); }

/* Home */
.hero { padding-top: clamp(56px, 8vw, 112px); padding-bottom: clamp(48px, 6vw, 80px); }
.hero h1 { margin: 0 0 24px; max-width: 900px; font-size: clamp(40px, 5vw, 72px); line-height: 1.05; font-weight: 600; letter-spacing: -0.02em; }
.hero h1 em { font-weight: 400; color: var(--accent); }
.hero p { margin: 0; max-width: 620px; font-size: clamp(19px, 1vw + 13px, 22px); line-height: 1.5; color: var(--ink-2); }
.feature { display: flex; flex-wrap: wrap; background: var(--surface); border-radius: 4px; overflow: hidden; box-shadow: var(--shadow); color: var(--ink); text-decoration: none; }
.feature:hover { color: var(--ink); }
.feature:hover h2 { color: var(--accent); }
.feature-body { flex: 999 1 480px; min-width: 0; padding: clamp(24px, 4vw, 56px); display: flex; flex-direction: column; gap: 16px; }
.feature h2 { margin: 0; font-size: clamp(28px, 2.4vw + 12px, 44px); line-height: 1.12; font-weight: 600; letter-spacing: -0.015em; transition: color 150ms ease-out; }
.feature-body > p.summary { margin: 0; max-width: 600px; font-size: 19px; line-height: 1.5; color: var(--ink-2); }
.meta { display: flex; flex-wrap: wrap; gap: 8px 24px; font-family: var(--sans); font-size: 14px; color: var(--muted); margin: 8px 0 0; }
.feature-art { flex: 1 1 300px; min-width: 0; background: var(--ink); color: var(--paper); padding: clamp(24px, 4vw, 48px); display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; }
.feature-art .big { margin: 0; font-size: clamp(96px, 10vw, 160px); line-height: 0.9; font-weight: 600; letter-spacing: -0.04em; color: var(--on-dark-accent); }
.feature-art p:last-child { margin: 0; font-family: var(--sans); font-size: 15px; line-height: 1.45; color: #C9CCD1; }
.section { padding-top: 96px; }
.section h2.title { margin: 0 0 8px; font-size: clamp(28px, 2vw + 16px, 40px); line-height: 1.15; font-weight: 600; letter-spacing: -0.01em; }
.section .lede { margin: 0 0 40px; max-width: 620px; font-size: 19px; line-height: 1.5; color: var(--ink-2); }
.pillars { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 32px; }
.pillars li { flex: 1 1 260px; min-width: 0; border-top: 2px solid var(--ink); padding-top: 16px; }
.pillars .num { margin: 0 0 12px; font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--accent); }
.pillars h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.25; font-weight: 600; }
.pillars p { margin: 0; font-size: 17px; line-height: 1.55; color: var(--ink-2); }
.about { background: var(--tint); border-radius: 4px; padding: clamp(32px, 5vw, 64px); display: flex; flex-wrap: wrap; gap: 24px 64px; }
.about h2 { flex: 1 1 260px; margin: 0; font-size: clamp(26px, 2vw + 14px, 36px); line-height: 1.15; font-weight: 600; letter-spacing: -0.01em; }
.about div { flex: 2 1 360px; min-width: 0; }
.about p { margin: 0 0 16px; font-size: 19px; line-height: 1.55; color: var(--ink-2); }
.about p:last-child { margin: 0; }

/* Article */
.article-head { padding-top: clamp(48px, 7vw, 96px); padding-bottom: 48px; }
.article-head > div { max-width: 880px; }
.article-head .eyebrow { margin-bottom: 24px; }
.article-head h1 { margin: 0 0 24px; font-size: clamp(34px, 4.4vw, 64px); line-height: 1.08; font-weight: 600; letter-spacing: -0.02em; }
.dek { margin: 0 0 32px; max-width: 720px; font-size: clamp(20px, 1vw + 14px, 24px); line-height: 1.45; color: var(--ink-2); }
.byline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; font-family: var(--sans); font-size: 14px; color: var(--muted); }
.byline strong { color: var(--ink); font-weight: 600; }

.glance { background: var(--tint); border-radius: 4px; padding: clamp(24px, 4vw, 48px); display: flex; flex-wrap: wrap; gap: 48px; }
.glance-points { flex: 999 1 460px; min-width: 0; }
.glance-points h2 { margin: 0 0 24px; }
.glance-points ol { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 24px; }
.glance-points li { display: flex; gap: 16px; }
.glance-points li span { flex: none; width: 32px; height: 32px; border: 1px solid var(--ink); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--sans); font-size: 14px; font-weight: 600; }
.glance-points li p { margin: 0; font-size: 19px; line-height: 1.5; }
.stats { flex: 1 1 240px; margin: 0; display: flex; flex-direction: column; gap: 24px; font-family: var(--sans); }
.stats div { border-top: 2px solid var(--ink); padding-top: 12px; }
.stats div.hl { border-top-color: var(--accent); }
.stats dt { font-size: 13px; color: var(--muted); }
.stats dd { margin: 4px 0 0; font-size: 40px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums lining-nums; }
.stats div.hl dd { color: var(--accent); }

.prose { max-width: 680px; padding-top: 16px; }
.prose p { font-size: clamp(18px, 0.5vw + 15px, 20px); line-height: 1.65; margin: 0 0 24px; }
.prose h2 { font-size: clamp(26px, 2vw + 14px, 32px); line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; margin: 64px 0 16px; }
.prose-start { padding-top: clamp(48px, 6vw, 80px); }

.exhibit { margin-top: 48px; margin-bottom: 48px; }
.exhibit > div { max-width: 1000px; border-top: 2px solid var(--ink); padding-top: 16px; }
.exhibit .eyebrow { margin-bottom: 8px; }
.exhibit h3 { margin: 0 0 8px; font-size: clamp(22px, 1vw + 16px, 28px); line-height: 1.2; font-weight: 600; }
.exhibit .unit { margin: 0 0 16px; font-family: var(--sans); font-size: 13px; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 16px; font-family: var(--sans); font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { display: inline-block; width: 20px; height: 2px; background: var(--ink); }
.legend i.acc { background: var(--accent); }
.legend i.dash { height: 0; background: none; border-top: 2px dashed var(--accent); }
.legend i.box { width: 16px; height: 12px; background: #E4E4DD; }
.chart-scroll { overflow-x: auto; }
.chart-scroll svg { display: block; width: 100%; min-width: 640px; height: auto; font-family: var(--sans); }
.exhibit figcaption { margin-top: 16px; max-width: 760px; font-family: var(--sans); font-size: 13px; line-height: 1.55; color: var(--muted); }
.exhibit figcaption p { margin: 0 0 8px; }
.exhibit figcaption p:last-child { margin: 0; }
.exhibit figcaption b { font-weight: 600; color: var(--ink-2); }

.panels { display: flex; flex-wrap: wrap; gap: 24px; font-family: var(--sans); }
.panel { flex: 1 1 260px; min-width: 0; background: var(--surface); border-radius: 4px; padding: 24px; box-shadow: var(--shadow); }
.panel .t { margin: 0; font-size: 15px; font-weight: 600; }
.panel .u { margin: 4px 0 16px; font-size: 13px; color: var(--muted); }
.panel .v { margin: 0; font-size: 30px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums lining-nums; }
.panel .v span { color: var(--faint); font-weight: 400; }
.panel .v em { font-style: normal; color: var(--accent); }
.panel svg { display: block; width: 100%; height: auto; margin: 16px 0; font-family: var(--sans); }
.panel .n { margin: 0; font-size: 14px; color: var(--ink-2); }

.big-stat { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 32px; margin-bottom: 24px; font-family: var(--sans); }
.big-stat .n { margin: 0; font-size: 48px; font-weight: 600; line-height: 1; color: var(--accent); }
.big-stat p:last-child { margin: 0; max-width: 320px; font-size: 15px; line-height: 1.45; color: var(--ink-2); }
.stack-labels { display: flex; gap: 2px; font-family: var(--sans); font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.stack-labels div { min-width: 0; padding-top: 6px; border-top: 2px solid; }
.stack { display: flex; gap: 2px; height: 56px; }
.swatches { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px 24px; font-family: var(--sans); font-size: 14px; font-variant-numeric: tabular-nums lining-nums; }
.swatches li { display: flex; align-items: center; gap: 8px; }
.swatches li i { flex: none; width: 12px; height: 12px; }
.swatches li span { flex: 1; }
.swatches li b { font-weight: 600; }

.pull { margin-top: 48px; margin-bottom: 48px; }
.pull > div { max-width: 880px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 32px 0; }
.pull p { margin: 0; font-size: clamp(26px, 2vw + 16px, 40px); line-height: 1.2; font-style: italic; letter-spacing: -0.01em; }

.mind { margin-top: 64px; }
.mind > div { background: var(--ink); color: var(--paper); border-radius: 4px; padding: clamp(32px, 5vw, 64px); }
.mind h2 { margin: 0 0 32px; color: var(--on-dark-accent); }
.mind ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 32px; }
.mind li { flex: 1 1 260px; min-width: 0; border-top: 1px solid #4A4F57; padding-top: 16px; font-size: 20px; line-height: 1.45; }

.sources { padding-top: 80px; font-family: var(--sans); }
.sources > div { max-width: 1000px; }
.sources .eyebrow { margin-bottom: 8px; }
.sources h2 { margin: 0 0 8px; font-family: var(--serif); font-size: clamp(26px, 2vw + 14px, 32px); line-height: 1.2; font-weight: 600; }
.sources .checked { margin: 0 0 24px; font-size: 14px; color: var(--muted); }
.table-scroll { overflow-x: auto; border-top: 2px solid var(--ink); }
.ledger { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 14px; line-height: 1.5; }
.ledger th { text-align: left; padding: 12px 16px; color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.ledger th:first-child, .ledger td:first-child { padding-left: 0; width: 44%; }
.ledger th:last-child, .ledger td:last-child { padding-right: 0; }
.ledger td { padding: 16px; border-top: 1px solid var(--rule); vertical-align: top; }
.ledger td:last-child { color: var(--ink-2); }
.ledger tr:last-child td { border-bottom: 1px solid var(--rule); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; background: var(--tint); font-size: 12px; font-weight: 600; white-space: nowrap; }
.tag.est { background: var(--accent-soft); color: var(--accent-dark); }
details { border-bottom: 1px solid var(--rule); }
details:first-of-type { margin-top: 32px; }
summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-size: 16px; font-weight: 600; list-style: none; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; width: 16px; font-size: 20px; font-weight: 400; color: var(--accent); }
details[open] summary::before { content: "−"; }
details .body { max-width: 680px; padding: 8px 0 24px 28px; font-size: 15px; line-height: 1.6; color: var(--ink-2); }
details .body p { margin: 0 0 12px; }
details .body p:last-child { margin: 0; }
details .body b { color: var(--ink); font-weight: 600; }

/* 404 */
.notfound { padding-top: 120px; padding-bottom: 40px; }
.notfound h1 { margin: 0 0 16px; font-size: clamp(36px, 4vw, 56px); line-height: 1.1; }
.notfound p { margin: 0; font-size: 20px; color: var(--ink-2); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print {
  .site-header nav, .skip { display: none; }
  body { background: #fff; }
}