:root {
  color-scheme: dark;
  --bg: #050807;
  --bg-2: #0a1210;
  --panel: #0c1714;
  --line: #133a2a;
  --text: #b6d6c8;
  --dim: #8bb5a2;
  --mute: #789383;
  --accent: #00ff9c;
  --cyan: #00e5ff;
  --warn: #ffb300;
  --bad: #ff5252;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --display: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    linear-gradient(rgba(0, 255, 156, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 156, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px;
  color: var(--text);
  font: 14px/1.75 var(--mono);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--cyan); }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 9; background: var(--bg); padding: 8px; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 7, 0.96);
  position: sticky;
  top: 0;
  z-index: 5;
}
.site-header__inner,
.site-footer__inner,
.layout { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header__inner { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--accent); font-weight: 800; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--dim); }
.site-nav { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; font-size: 11px; letter-spacing: .8px; text-transform: uppercase; }
.site-nav a { color: var(--dim); text-decoration: none; }
.site-nav a[aria-current="page"], .site-nav a:hover { color: var(--accent); }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 54px; padding: 58px 0 72px; }
.article { min-width: 0; }
.eyebrow, .stamp, .toc-title { color: var(--mute); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; }
.eyebrow { color: var(--accent); margin-bottom: 10px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.13; }
h1 { color: var(--accent); font-size: clamp(38px, 7vw, 72px); letter-spacing: -2px; margin: 0 0 18px; max-width: 16ch; }
h2 { color: var(--text); font-size: clamp(25px, 3vw, 36px); letter-spacing: -.5px; margin: 58px 0 14px; scroll-margin-top: 88px; }
h3 { color: var(--cyan); font-size: 18px; margin: 30px 0 7px; scroll-margin-top: 88px; }
.lede { color: var(--text); font: 19px/1.65 var(--display); max-width: 760px; }
p, li, dd { color: var(--dim); }
strong { color: var(--text); }
ul, ol { padding-left: 23px; }
li { margin: 7px 0; }
.notice, .formula, .summary-box {
  border: 1px solid var(--line);
  border-left: 2px solid var(--warn);
  background: rgba(12, 23, 20, .92);
  padding: 16px 18px;
  margin: 26px 0;
}
.formula { border-left-color: var(--accent); color: var(--accent); overflow-wrap: anywhere; }
.summary-box h2 { margin-top: 0; font-size: 22px; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.card { border: 1px solid var(--line); background: var(--panel); padding: 18px; }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.metric { color: var(--accent); font-weight: 700; }
.table-wrap { overflow-x: auto; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--accent); background: var(--panel); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
td { color: var(--dim); }
.sidebar { align-self: start; position: sticky; top: 90px; border: 1px solid var(--line); background: rgba(10, 18, 16, .95); padding: 18px; }
.sidebar ul { list-style: none; padding: 0; margin: 10px 0 0; }
.sidebar li { margin: 8px 0; }
.sidebar a { color: var(--dim); text-decoration: none; font-size: 12px; }
.sidebar a:hover { color: var(--accent); }
.glossary-list { margin-top: 26px; }
.glossary-list div { border-top: 1px solid var(--line); padding: 20px 0; }
.glossary-list dt { color: var(--accent); font: 700 18px/1.3 var(--display); }
.glossary-list dd { margin: 7px 0 0; }
.next-links { border-top: 1px solid var(--line); margin-top: 58px; padding-top: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.next-links a { display: block; border: 1px solid var(--line); background: var(--panel); padding: 16px; text-decoration: none; }
.next-links small { display: block; color: var(--mute); margin-top: 4px; }
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.site-footer__inner { padding: 28px 0 36px; color: var(--mute); font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 14px; }
.site-footer p { margin: 0; font-size: 10px; letter-spacing: .7px; }
@media (max-width: 820px) {
  .site-header__inner { align-items: flex-start; flex-direction: column; padding: 14px 0; gap: 8px; }
  .site-header { position: static; }
  .site-nav { justify-content: flex-start; gap: 9px 14px; }
  .layout { grid-template-columns: 1fr; padding-top: 38px; }
  .sidebar { position: static; }
  .card-grid, .next-links { grid-template-columns: 1fr; }
  h1 { letter-spacing: -1px; }
}