/* EvidenceSignal — shared design system (linked from all standalone templates) */
:root {
  --canvas: #0A0B0E;
  --surface: #13151A;
  --raised: #1A1D24;
  --border: #22252D;
  --border-soft: #1a1d24;
  --text-1: #E8EAED;
  --text-2: #8E92A0;
  --text-3: #5C6068;
  --accent: #F5B461;
  --accent-strong: #F0A040;
  --accent-soft: rgba(245,180,97,0.18);
  --risk: #FF6B6B;
  --warn: #F2C94C;
  --live: #3DDC97;
  --sf: #5BA9A8;
  --serif: 'Newsreader', 'Source Serif Pro', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { background: var(--canvas); color: var(--text-1); }
body {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.72;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern", "liga", "onum";
}
::selection { background: var(--accent-soft); color: var(--text-1); }
a { color: var(--text-1); text-decoration: none; border-bottom: 1px solid var(--text-3); padding-bottom: 1px; }
a:hover { border-color: var(--accent); }
.mono { font-family: var(--mono); }
.num { font-feature-settings: "lnum", "tnum"; }
em { font-style: italic; }
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }
.page { max-width: 880px; margin: 0 auto; padding: 0 80px; }
.wide { max-width: 1280px; margin: 0 auto; padding: 0 80px; }
.prose { max-width: 720px; margin: 0 auto; padding: 0 28px; }

/* Sticky product nav */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(10,11,14,0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1280px; margin: 0 auto; padding: 18px 80px; display: flex; justify-content: space-between; align-items: center; }
.nav-brand { font-family: var(--serif); font-size: 19px; font-weight: 500; letter-spacing: -0.005em; border: 0; }
.nav-brand:hover { border: 0; }
.nav-links { display: flex; gap: 36px; font-family: var(--sans); font-size: 13px; color: var(--text-2); letter-spacing: 0.01em; align-items: center; }
.nav-links a { color: var(--text-2); border: 0; }
.nav-links a:hover { color: var(--text-1); }
.nav-cta { background: var(--accent); color: var(--canvas); font-family: var(--sans); font-size: 13px; font-weight: 500; padding: 9px 18px; border-radius: 4px; border: 0 !important; }
.nav-cta:hover { background: var(--accent-strong); color: var(--canvas); }

/* Buttons */
.btn-primary { display: inline-block; background: var(--accent); color: var(--canvas); font-family: var(--sans); font-size: 15px; font-weight: 500; padding: 16px 28px; border-radius: 6px; border: 0 !important; cursor: pointer; }
.btn-primary:hover { background: var(--accent-strong); color: var(--canvas); }
.btn-secondary { font-family: var(--sans); font-size: 14px; color: var(--text-2); border: 0 !important; padding: 0; }
.btn-secondary:hover { color: var(--accent); }
.btn-ghost { display: inline-block; color: var(--accent); font-family: var(--sans); font-size: 13px; font-weight: 500; padding: 11px 20px; border: 1px solid var(--accent); border-radius: 4px; }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* Section frame */
.section { padding: 100px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 60px; }
.section-head .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.28em; color: var(--accent); text-transform: uppercase; margin-bottom: 18px; }
.section-head h2 { font-family: var(--serif); font-weight: 400; font-size: 48px; line-height: 1.05; letter-spacing: -0.015em; margin: 0 auto; max-width: 18em; }
.section-head h2 em { color: var(--text-2); }
.section-head .sub { margin-top: 18px; font-family: var(--serif); font-style: italic; color: var(--text-2); font-size: 18px; max-width: 38em; margin-left: auto; margin-right: auto; }

/* Page-hero (used on standalone pages, smaller than homepage hero) */
.page-hero { max-width: 720px; margin: 0 auto; padding: 80px 28px 40px; text-align: center; }
.page-hero .kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 24px; }
.page-hero h1 { font-family: var(--serif); font-weight: 400; font-size: 56px; line-height: 1.06; letter-spacing: -0.018em; margin: 0 0 24px; }
.page-hero h1 em { color: var(--text-2); }
.page-hero .deck { font-family: var(--serif); font-style: italic; font-size: 21px; line-height: 1.5; color: var(--text-2); margin: 0; max-width: 32em; margin-left: auto; margin-right: auto; }

/* Stat tiles (reusable) */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 28px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stat-row div { padding: 0 16px; border-right: 1px solid var(--border-soft); text-align: center; }
.stat-row div:first-child { padding-left: 0; }
.stat-row div:last-child { border-right: 0; padding-right: 0; }
.stat-row .n { font-family: var(--serif); font-size: 32px; letter-spacing: -0.01em; }
.stat-row .k { font-family: var(--sans); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-top: 8px; }

/* Footer */
.footer { padding: 80px 0 60px; max-width: 1280px; margin: 80px auto 0; padding-left: 80px; padding-right: 80px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 40px; border-bottom: 1px solid var(--border-soft); }
.footer-brand { font-family: var(--serif); font-size: 21px; font-weight: 500; margin-bottom: 12px; }
.footer-tag { font-family: var(--serif); font-style: italic; font-size: 15px; color: var(--text-2); max-width: 26em; line-height: 1.5; }
.footer-col h6 { font-family: var(--sans); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin: 0 0 14px; font-weight: 500; }
.footer-col a { display: block; font-family: var(--sans); font-size: 14px; color: var(--text-2); padding: 4px 0; border: 0; }
.footer-col a:hover { color: var(--accent); }
.footer-sub { display: flex; justify-content: space-between; padding-top: 28px; font-family: var(--mono); font-size: 10.5px; color: var(--text-3); letter-spacing: 0.12em; text-transform: uppercase; }

/* Breadcrumb */
.breadcrumb { max-width: 720px; margin: 0 auto; padding: 60px 28px 0; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.breadcrumb a { color: var(--text-3); border: 0; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 10px; }

/* Chart base */
.gridline { stroke: var(--border-soft); stroke-width: 1; stroke-dasharray: 1 5; }
.axis-tick { font-family: var(--mono); font-size: 10px; fill: var(--text-3); letter-spacing: 0.08em; }
.axis-label { font-family: var(--sans); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; fill: var(--text-3); }

@media (max-width: 900px) {
  .page, .wide { padding: 0 28px; }
  .nav-inner { padding: 14px 28px; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .page-hero h1 { font-size: 36px; }
  .page-hero .deck { font-size: 18px; }
  .section-head h2 { font-size: 32px; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .stat-row div:nth-child(2n) { border-right: 0; }
  .stat-row div:nth-child(1), .stat-row div:nth-child(2) { padding-bottom: 16px; border-bottom: 1px solid var(--border-soft); }
  .stat-row div:nth-child(3), .stat-row div:nth-child(4) { padding-top: 16px; }
  .footer { padding: 80px 28px 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}