:root {
  --bg: #0b0d12;
  --fg: #e8eaf0;
  --muted: #98a0b3;
  --line: #232838;
  --card: #12151d;
  --accent: #6ee7a8;
  --accent-fg: #062014;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfbfd;
    --fg: #14161c;
    --muted: #5a6273;
    --line: #e3e6ef;
    --card: #ffffff;
    --accent: #0f7a4a;
    --accent-fg: #ffffff;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

footer.site {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .875rem;
  margin-top: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -.01em;
}

.brand svg { fill: var(--accent); }

nav { display: flex; gap: 1.25rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .925rem;
}

nav a:hover, nav a:focus-visible { color: var(--fg); }

main { padding: clamp(2rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem); }

.hero { max-width: 46rem; }

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin: 0 0 1rem;
}

.lede { color: var(--muted); font-size: 1.075rem; max-width: 38rem; margin: 0; }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

.btn {
  display: inline-block;
  padding: .6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: .55rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 550;
  transition: transform .12s ease, border-color .12s ease;
}

.btn:hover { transform: translateY(-1px); border-color: var(--muted); }

.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-fg);
}

.btn.primary:hover { filter: brightness(1.06); }

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin-top: clamp(2.5rem, 6vw, 4rem);
  max-width: 68rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: .8rem;
  padding: 1.25rem 1.25rem 1.1rem;
}

.card h2 { font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 .75rem; }

.card p { color: var(--muted); font-size: .9rem; margin: .75rem 0 0; }

pre {
  margin: 0;
  overflow-x: auto;
  background: color-mix(in srgb, var(--line) 45%, transparent);
  border-radius: .5rem;
  padding: .75rem .85rem;
  font-size: .82rem;
  line-height: 1.55;
}

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.ph { color: var(--accent); }

.card ul { margin: .25rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; }

.card li + li { margin-top: .35rem; }

.muted { color: var(--muted); font-size: .875rem; }

a { color: var(--accent); }

.card a:hover { text-decoration: underline; }