* { box-sizing: border-box; margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--ink); line-height: 1.6; }
.skip-link { position: absolute; left: 0.5rem; top: -3rem; background: var(--accent); color: var(--accent-ink);
  padding: 0.6rem 1rem; border-radius: 6px; text-decoration: none; z-index: 100; transition: top 0.15s; }
.skip-link:focus { top: 0.5rem; }
main { max-width: var(--maxw); margin: 0 auto; padding: 1.5rem 1rem 4rem; }
h1, h2, h3 { line-height: 1.2; }
h1 { font-size: 2rem; margin: 1rem 0; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.05rem; }
a { color: var(--accent); }
p { margin: 0.5rem 0; }
code, pre { font-family: var(--mono); font-size: 0.9em; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  max-width: var(--maxw); margin: 0 auto; padding: 0.9rem 1rem; }
.brand { font-weight: 700; font-size: 1.15rem; text-decoration: none; color: var(--ink); }
.brand span { color: var(--accent); }
.site-header nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; color: var(--muted); }
.site-header nav a:hover { color: var(--accent); }
.site-footer { border-top: 1px solid var(--line); margin-top: 2rem; padding: 1.5rem 1rem;
  text-align: center; color: var(--muted); font-size: 0.9rem; }
.page { max-width: 44rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}