:root {
  --bg: #0c1320;
  --bg-alt: #131c2e;
  --fg: #e8edf6;
  --fg-muted: #94a0b4;
  --border: #1f2a40;
  --accent: #4dd6c4;
  --accent-soft: #14302e;
  --max: 760px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body { margin: 0; font-family: var(--font-sans); font-size: 17px; line-height: 1.65; color: var(--fg); background: var(--bg); background-image: radial-gradient(ellipse at top, #15243f 0%, var(--bg) 60%); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: #fff; color: #000; padding: .5rem; z-index: 100; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.site-header { border-bottom: 1px solid var(--border); background: rgba(12,19,32,.85); position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(180%) blur(10px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding: .9rem 1.25rem; gap: 1.5rem; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: var(--accent); letter-spacing: -.01em; font-family: var(--font-mono); }
.brand span { color: var(--fg-muted); font-weight: 500; }
.site-header nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.site-header nav a { color: var(--fg-muted); text-decoration: none; font-size: .92rem; font-weight: 500; }
.site-header nav a:hover { color: var(--accent); }
main { padding: 2.5rem 0 4rem; }
.prose { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.prose h1 { font-size: 2.2rem; line-height: 1.2; margin: 0 0 .75rem; letter-spacing: -.02em; color: #fff; }
.prose h2 { font-size: 1.45rem; line-height: 1.3; margin: 2.4rem 0 .8rem; letter-spacing: -.01em; color: #fff; }
.prose h3 { font-size: 1.15rem; margin: 1.8rem 0 .5rem; color: #fff; }
.prose p { margin: .9rem 0; }
.prose a { color: var(--accent); }
.prose strong { font-weight: 700; color: #fff; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .35rem 0; }
.prose code { font-family: var(--font-mono); font-size: .92em; background: var(--bg-alt); padding: .1em .35em; border-radius: 4px; color: var(--accent); }
.prose pre { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.1rem; overflow-x: auto; font-size: .9rem; }
.prose pre code { background: transparent; padding: 0; color: inherit; }
.prose blockquote { margin: 1.2rem 0; padding: .2rem 0 .2rem 1rem; border-left: 3px solid var(--accent); color: var(--fg-muted); }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .93rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: .55rem .7rem; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-alt); font-weight: 600; color: #fff; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
.meta { color: var(--fg-muted); font-size: .9rem; margin: 0 0 1.5rem; }
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 2rem 0 3rem; margin-top: 4rem; }
.site-footer .wrap { max-width: var(--max); }
.site-footer p { margin: .6rem 0; color: var(--fg-muted); font-size: .94rem; }
.site-footer a { color: var(--accent); }
.fineprint { font-size: .82rem !important; margin-top: 1.2rem !important; }
@media (max-width: 640px) {
  .prose h1 { font-size: 1.75rem; }
  .prose h2 { font-size: 1.25rem; }
  .site-header nav { gap: .7rem; }
  .site-header nav a { font-size: .85rem; }
}