:root {
  --bg: #ffffff;
  --fg: #18181b;
  --muted: #52525b;
  --line: #e4e4e7;
  --panel: #f4f4f5;
  --accent: #4f46e5;
  --accent-fg: #ffffff;
  --code-bg: #18181b;
  --code-fg: #e4e4e7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b;
    --fg: #fafafa;
    --muted: #a1a1aa;
    --line: #27272a;
    --panel: #18181b;
    --accent: #818cf8;
    --accent-fg: #09090b;
    --code-bg: #111113;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
.bar, main, footer { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; }
nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--fg); }
.button { display: inline-block; padding: 11px 20px; border-radius: 8px; background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 600; }
nav a.button, nav a.button:hover { color: var(--accent-fg); }
.button.small { padding: 7px 14px; }
.button.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.hero { padding: 72px 0 40px; max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(34px, 5vw, 52px); line-height: 1.1; letter-spacing: -.02em; }
.lead { margin: 22px 0 30px; font-size: 18px; color: var(--muted); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.code pre { margin: 24px 0 0; padding: 22px 24px; border-radius: 12px; background: var(--code-bg); color: var(--code-fg); overflow-x: auto; font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; }
.code .k { color: #c4b5fd; }
.code .s { color: #86efac; }
.code .c { color: #a1a1aa; }
h2 { margin: 0 0 24px; font-size: 26px; letter-spacing: -.01em; }
.features, .toolkits { padding: 72px 0 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.grid article { padding: 22px; border: 1px solid var(--line); border-radius: 12px; }
.grid h3 { margin: 0 0 8px; font-size: 17px; }
.grid p { margin: 0; color: var(--muted); font-size: 15px; }
.toolkits ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.toolkits li { padding: 8px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line); font-size: 15px; }
.note { color: var(--muted); font-size: 15px; }
footer { display: flex; gap: 20px; padding: 64px 20px 40px; color: var(--muted); font-size: 14px; }
footer span { margin-right: auto; }
@media (max-width: 640px) {
  nav a:not(.button) { display: none; }
  .hero { padding-top: 40px; }
}