:root {
  --ink: #0b0d0f; --ink-2: #111519; --panel: #151a1f; --line: #2b3239;
  --muted: #84909a; --paper: #f3f0e8; --lime: #c9ff4b; --radius: 5px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 16px/1.65 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.eyebrow { letter-spacing: .16em; font-size: 12px; color: var(--muted); font-weight: 650; }

header { position: sticky; top: 0; z-index: 10; background: rgba(11,13,15,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 26px; padding: 14px 24px; max-width: 860px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; color: var(--paper); }
.mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--lime); color: var(--ink); font-size: 20px; font-weight: 900; letter-spacing: -4px; }
.mark span { font-size: 12px; vertical-align: top; }
.brand strong { font-size: 12px; letter-spacing: .14em; }
.nav > a:not(.brand):not(.cta) { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.nav > a:not(.brand):not(.cta):hover { color: var(--paper); }
.cta { background: var(--lime); color: var(--ink); text-decoration: none; font-weight: 800; font-size: 12.5px; letter-spacing: .05em; padding: 9px 16px; border-radius: var(--radius); }

main { padding: 56px 24px 90px; }
h1 { font-size: clamp(30px, 5vw, 44px); letter-spacing: -.02em; margin: 14px 0 14px; }
.lead { color: #c4cad1; font-size: 17px; max-width: 640px; margin: 0 0 30px; }

.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.toc a { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 650; border: 1px solid var(--line); border-radius: 99px; padding: 6px 13px; background: var(--ink-2); }
.toc a:hover { color: var(--ink); background: var(--lime); border-color: var(--lime); }

section { border-top: 1px solid var(--line); padding: 34px 0 26px; }
section:first-of-type { border-top: 0; }
h2 { font-size: 21px; letter-spacing: -.01em; margin: 0 0 12px; scroll-margin-top: 80px; }
section[id] { scroll-margin-top: 76px; }
p, li { color: #c4cad1; font-size: 15.5px; }
p strong, li strong { color: var(--paper); }
ol { padding-left: 22px; display: grid; gap: 8px; margin: 0 0 14px; }
code { background: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; font-size: 13.5px; }
.example { background: var(--ink-2); border-left: 3px solid var(--lime); border-radius: 0 var(--radius) var(--radius) 0; padding: 12px 16px; font-size: 14.5px; }
.example em { color: var(--lime); font-style: normal; font-weight: 700; letter-spacing: .04em; }
a { color: #9db4ff; }

footer { border-top: 1px solid var(--line); padding: 30px 0 44px; color: var(--muted); font-size: 13.5px; }
footer .wrap { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--paper); }
footer .brand-line { margin-right: auto; }