:root {
  color-scheme: dark;
  --void: #06070B; --deck: #0C0E15; --deck-2: #131623; --line: #222738;
  --bone: #ECE9E2; --ash: #8C90A0; --teal: #2EE6C5; --violet: #8B5CF6; --magenta: #E449B5; --warn: #F5C451;
  --slick: linear-gradient(115deg, var(--teal) 0%, var(--violet) 52%, var(--magenta) 100%);
  --f-display: "Syne", "Arial Black", system-ui, sans-serif;
  --f-body: "Hanken Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --gutter: clamp(16px, 4vw, 40px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--void); color: var(--bone); font: 400 17px/1.65 var(--f-body);
  background-image: radial-gradient(700px 500px at 100% -10%, rgba(139,92,246,.18), transparent 70%), radial-gradient(600px 400px at -10% 30%, rgba(46,230,197,.08), transparent 70%); background-attachment: fixed; }
a { color: var(--teal); text-underline-offset: 3px; }
header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 18px; padding: 14px var(--gutter); background: rgba(6,7,11,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--bone); text-decoration: none; font: 800 20px/1 var(--f-display); letter-spacing: -.03em; }
header nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
header nav a { color: var(--ash); text-decoration: none; font-size: 14px; padding: 7px 11px; border-radius: 8px; }
header nav a:hover, header nav a[aria-current="page"] { color: var(--bone); background: var(--deck-2); }
main { max-width: 820px; margin: 0 auto; padding: 56px var(--gutter) 40px; }
.eyebrow { font: 500 12px/1 var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--teal); margin: 0; }
h1 { font: 800 clamp(40px, 7vw, 68px)/1 var(--f-display); letter-spacing: -.04em; margin: 14px 0 12px; text-wrap: balance; }
h2 { font: 700 26px/1.2 var(--f-display); letter-spacing: -.02em; margin: 48px 0 10px; scroll-margin-top: 80px; }
h3 { font: 600 19px/1.3 var(--f-body); margin: 26px 0 6px; }
.lede { color: var(--ash); font-size: 19px; margin: 0 0 8px; }
.meta { color: var(--ash); font: 500 13px/1.5 var(--f-mono); }
p, li { color: #D9D6DF; } li { margin: 6px 0; }
code { font: 500 .88em var(--f-mono); color: var(--teal); background: rgba(46,230,197,.08); padding: 2px 6px; border-radius: 6px; overflow-wrap: anywhere; }
.toc { margin: 28px 0 0; padding: 18px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--deck); }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 28px; } .toc li { margin: 4px 0; break-inside: avoid; }
.callout { margin: 22px 0; padding: 16px 20px; border-radius: 14px; border: 1px solid rgba(245,196,81,.35); background: rgba(245,196,81,.06); }
.callout b { color: var(--warn); }
table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 12px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ash); }
.tablewrap { overflow-x: auto; }
footer { max-width: 820px; margin: 40px auto 0; padding: 28px var(--gutter) 56px; border-top: 1px solid var(--line); color: var(--ash); font-size: 13px; display: flex; flex-wrap: wrap; gap: 14px 22px; justify-content: space-between; }
footer a { color: var(--ash); text-decoration: none; } footer a:hover { color: var(--bone); }
header nav { flex-wrap: nowrap; }
@media (max-width: 600px) { .toc ol { columns: 1; } header { gap: 10px; padding-block: 12px; } header nav { gap: 0; } header nav a { padding: 6px 7px; font-size: 13px; white-space: nowrap; } }
@media (max-width: 440px) { header nav a.tg { display: none; } }
.tablewrap table { min-width: 560px; }