:root {
  color-scheme: light dark;
  --bg: #0b0d12;
  --fg: #eef1f6;
  --muted: #9aa3b2;
  --accent: #5b8def;
  --card: #141820;
  --border: #2a3140;
  --max: 52rem;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); }
a { color: var(--accent); }
.container { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.site-header { border-bottom: 1px solid var(--border); background: rgba(11,13,18,.9); position: sticky; top: 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 3.5rem; gap: 1rem; }
.brand { font-weight: 650; color: var(--fg); text-decoration: none; letter-spacing: -0.02em; }
nav a { margin-left: 1rem; color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--fg); }
.hero { padding: 4rem 1.25rem 2rem; }
.kicker { color: var(--accent); font-size: .875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; letter-spacing: -0.03em; margin: .5rem 0 1rem; }
.lead { color: var(--muted); font-size: 1.125rem; max-width: 42rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.button { display: inline-block; padding: .65rem 1rem; border-radius: .5rem; border: 1px solid var(--border); color: var(--fg); text-decoration: none; background: var(--card); }
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.button.ghost { background: transparent; }
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); padding: 2rem 1.25rem 4rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: .75rem; padding: 1.25rem; }
.card h2 { margin: 0 0 .5rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.prose { padding: 2rem 1.25rem 4rem; }
.prose h2 { margin-top: 2rem; }
pre { background: var(--card); border: 1px solid var(--border); border-radius: .5rem; padding: 1rem; overflow-x: auto; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--muted); font-size: .875rem; }