@font-face {
  font-family: Inter;
  src: url('fonts/inter-variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --ink: #ededed;
  --muted: #b0b0b0;
  --line: #262626;
  --paper: #000000;
  --soft: #090909;
  --accent: #ffffff;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.6 Inter, system-ui, sans-serif; }
button, input { font: inherit; }
button, a, input, summary { touch-action: manipulation; }
button { cursor: pointer; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: var(--muted); }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible, [tabindex='0']:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: fixed; top: -90px; left: 16px; z-index: 100; background: var(--soft); border: 2px solid var(--accent); padding: 10px 16px; }
.skip:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 30; background: var(--soft); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); font-size: 21px; font-weight: 720; letter-spacing: -.8px; white-space: nowrap; }
.brand:hover { color: var(--ink); }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav > a, .site-nav summary { color: var(--muted); font-size: 13px; font-weight: 550; text-decoration: none; }
.site-nav > a:hover, .site-nav > a[aria-current] { color: var(--accent); }
.site-nav .nav-github { padding: 9px 15px; border: 1px solid var(--line); border-radius: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 22px; border-radius: 0; border: 1px solid var(--line); color: var(--ink); background: transparent; font-size: 14px; font-weight: 650; text-decoration: none; }
.button:hover { color: var(--ink); background: var(--soft); }
.button.primary { background: var(--accent); color: #000; border-color: var(--accent); }
.button.primary:hover { background: #dedede; border-color: #dedede; color: #000; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.eyebrow { color: var(--accent); text-transform: uppercase; font-size: 11px; font-weight: 750; letter-spacing: 1.7px; }
.text-link { font-size: 14px; font-weight: 650; text-decoration: none; }
.site-footer { background: var(--soft); border-top: 1px solid var(--line); padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 25px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
@media (max-width: 850px) {
  .container { width: calc(100% - 40px); }
  .header-inner { gap: 20px; }
  .site-nav { gap: 18px; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 32px); }
  .site-header { position: relative; }
  .header-inner { min-height: 72px; flex-wrap: wrap; padding-block: 16px; gap: 18px; }
  .brand { font-size: 20px; }
  .site-nav { width: 100%; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
  .site-nav > a { font-size: 12px; }
  .site-nav .nav-github { padding: 7px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}