:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-code: #f2f4f7;
  --fg: #12151a;
  --fg-muted: #5b6472;
  --border: #e3e6ea;
  --accent: #2f6fed;
  --accent-soft: #eaf1fe;
  --ok: #17936b;
  --radius: 10px;
  --maxw: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --bg-soft: #161a20;
    --bg-code: #1b2027;
    --fg: #e8eaed;
    --fg-muted: #9aa3b0;
    --border: #262c35;
    --accent: #5b8dfb;
    --accent-soft: #18233a;
    --ok: #3fbf90;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* header */
.site-head {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  font-size: 17px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--fg-muted); font-size: 14.5px; }
.nav a:hover { color: var(--fg); text-decoration: none; }
.nav a.current { color: var(--fg); font-weight: 550; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14.5px;
  font-weight: 550;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

/* hero */
.hero { padding: 76px 0 56px; }
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  max-width: 17ch;
}
.hero p.lead {
  font-size: 18.5px;
  color: var(--fg-muted);
  max-width: 58ch;
  margin: 0 0 28px;
}
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* code */
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0 0 20px;
}
code { font-size: .92em; }
p > code, li > code, td > code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}
.codewrap { position: relative; }
.copy {
  position: absolute;
  top: 9px; right: 9px;
  font: 500 12px/1 inherit;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-muted);
  cursor: pointer;
}
.copy:hover { color: var(--fg); }

/* grid */
.cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 8px 0 72px;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--bg-soft);
}
.card h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--fg-muted); font-size: 14.5px; }

/* content pages */
.page { padding: 48px 0 72px; max-width: 760px; }
.page h1 { font-size: 32px; letter-spacing: -0.02em; margin: 0 0 8px; }
.page h2 { font-size: 21px; letter-spacing: -0.015em; margin: 40px 0 12px; }
.page h3 { font-size: 16.5px; margin: 28px 0 8px; }
.page .sub { color: var(--fg-muted); margin: 0 0 32px; font-size: 16.5px; }
.page ul, .page ol { padding-left: 22px; }
.page li { margin: 6px 0; }

table { border-collapse: collapse; width: 100%; font-size: 14.5px; margin: 0 0 24px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--fg-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 0 0 36px; }
.tier { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.tier.featured { border-color: var(--accent); background: var(--accent-soft); }
.tier h3 { margin: 0 0 4px; font-size: 15px; text-transform: uppercase; letter-spacing: .05em; color: var(--fg-muted); }
.tier .price { font-size: 30px; font-weight: 650; letter-spacing: -0.02em; }
.tier .price span { font-size: 14px; font-weight: 400; color: var(--fg-muted); }
.tier ul { list-style: none; padding: 16px 0 0; margin: 0; font-size: 14.5px; }
.tier li { padding: 5px 0; color: var(--fg-muted); }

/* status */
.status-line {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 10px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); flex: none; }
.status-line .name { font-size: 14.5px; }
.status-line .state { margin-left: auto; font-size: 13.5px; color: var(--fg-muted); }
.banner {
  border: 1px solid var(--border);
  border-left: 3px solid var(--ok);
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0 0 28px;
}
.banner strong { font-size: 15.5px; }
.banner p { margin: 4px 0 0; color: var(--fg-muted); font-size: 14.5px; }

/* changelog */
.entry { border-left: 2px solid var(--border); padding: 0 0 26px 20px; margin-left: 4px; }
.entry time { font-size: 13px; color: var(--fg-muted); letter-spacing: .02em; }
.entry h3 { margin: 4px 0 6px; font-size: 16.5px; }
.entry p { margin: 0; color: var(--fg-muted); font-size: 14.5px; }
.tag {
  display: inline-block; font-size: 11.5px; font-weight: 600;
  padding: 2px 7px; border-radius: 4px; margin-left: 8px;
  background: var(--accent-soft); color: var(--accent);
  text-transform: uppercase; letter-spacing: .04em;
}

/* footer */
.site-foot {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  margin-top: 40px;
  font-size: 14px;
  color: var(--fg-muted);
}
.site-foot .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.site-foot a { color: var(--fg-muted); }
.site-foot .spacer { margin-left: auto; }

/* 404 */
.notfound { padding: 110px 0 130px; text-align: center; }
.notfound .code { font-size: 62px; font-weight: 650; letter-spacing: -0.03em; margin: 0; }
.notfound p { color: var(--fg-muted); margin: 8px 0 26px; }

@media (max-width: 820px) {
  .cols, .tiers { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 40px; }
  .hero h1 { font-size: 32px; }
  .nav { gap: 16px; }
  .nav .hide-sm { display: none; }
}