@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=VT323&display=swap");

:root {
  --bg: #0a0a0a;
  --bg-elev: #121212;
  --ink: #f2f2f2;
  --muted: #9a9a9a;
  --line: #2a2a2a;
  --accent: #e8e8e8;
  --max: 52rem;
  --side: 14rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 0% 0%, #1a1a1a 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 10%, #151515 0%, transparent 50%),
    var(--bg);
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--ink);
  text-underline-offset: 0.15em;
}

a:hover {
  opacity: 0.85;
}

.wrap {
  display: grid;
  grid-template-columns: var(--side) minmax(0, 1fr);
  gap: 2rem;
  max-width: calc(var(--max) + var(--side) + 4rem);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

@media (max-width: 860px) {
  .wrap {
    grid-template-columns: 1fr;
    padding-top: 1rem;
  }
  .nav {
    position: static !important;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
  }
  .nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.85rem;
  }
  .nav li {
    margin: 0;
  }
}

.nav {
  position: sticky;
  top: 1.25rem;
  align-self: start;
  font-size: 0.9rem;
}

.brand {
  display: block;
  font-family: VT323, monospace;
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  margin-bottom: 0.25rem;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.78rem;
  margin: 0 0 1.25rem;
  line-height: 1.35;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav li {
  margin: 0.35rem 0;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--ink);
}

.nav .group {
  margin-top: 1.1rem;
  margin-bottom: 0.35rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

main {
  min-width: 0;
}

.hero h1,
h1 {
  font-family: VT323, monospace;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 0.75rem;
}

h2 {
  font-family: VT323, monospace;
  font-size: 1.65rem;
  font-weight: 400;
  margin: 2rem 0 0.65rem;
  letter-spacing: 0.02em;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.4rem 0 0.45rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.cards {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 1rem 1.1rem;
}

.card strong {
  font-family: VT323, monospace;
  font-size: 1.35rem;
  display: block;
  margin-bottom: 0.25rem;
}

.card span {
  color: var(--muted);
  font-size: 0.92rem;
}

ul.plain {
  padding-left: 1.15rem;
}

ul.plain li {
  margin: 0.35rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0.4rem;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

code,
pre {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.86rem;
}

code {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 0.1rem 0.35rem;
}

pre {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  line-height: 1.45;
}

.callout {
  border-left: 3px solid var(--accent);
  padding: 0.65rem 0 0.65rem 1rem;
  margin: 1.25rem 0;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.25rem 0 2rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.55rem 0.95rem;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.92rem;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

footer.site-foot {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

footer.site-foot a {
  color: var(--muted);
}