:root {
  --bg: #0A0A0A;
  --surface: #141414;
  --line: #262626;
  --text: #FBF9F7;
  --muted: #BDBDBD;
  --accent: #FE3144;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
}

a { color: var(--text); text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

.topbar {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 1rem;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.topbar img { height: 32px; width: auto; display: block; }
.topbar a.back { color: var(--muted); font-size: .9rem; text-decoration: none; }
.topbar a.back:hover { color: var(--text); }

.wrap { max-width: 760px; margin: 0 auto; }

main { padding: 3rem 1rem 4rem; }

.eyebrow {
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .78rem;
  color: var(--accent);
  margin: 0 0 .75rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -.025em;
  margin: 0 0 1rem;
}

.updated { color: var(--muted); font-size: .9rem; margin: 0 0 2.5rem; }

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 2.75rem 0 .75rem;
  scroll-margin-top: 1.5rem;
}

h3 { font-size: 1.05rem; margin: 1.75rem 0 .5rem; }

p, li { color: #E6E3E0; }
ul { padding-left: 1.25rem; }
li { margin: .35rem 0; }
strong { color: var(--text); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0;
}
.card p { margin: .25rem 0; }

nav.toc ol { margin: 0; padding-left: 1.25rem; columns: 2; column-gap: 2rem; }
nav.toc li { margin: .2rem 0; break-inside: avoid; }
@media (max-width: 600px) { nav.toc ol { columns: 1; } }

footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: .85rem;
}
footer .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }
footer a { color: var(--muted); }