:root {
  --bg: #ffffff;
  --surface: #f6f5fb;
  --ink: #16121f;
  --ink-soft: #5c5470;
  --ink-faint: #8b83a1;
  --line: #e5e1ee;
  --brand: #6c4cf1;
  --brand-deep: #4b2fd1;
  --radius: 16px;
  --max: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #100d18;
    --surface: #1a1626;
    --ink: #f4f2fa;
    --ink-soft: #b6aecb;
    --ink-faint: #8b83a1;
    --line: #2c2640;
    --brand: #9c86ff;
    --brand-deep: #b7a5ff;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding: 0 20px 80px;
}

.wrap { max-width: var(--max); margin: 0 auto; }

header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
  flex-wrap: wrap;
}

header.site .mark {
  width: 46px; height: 46px; border-radius: 12px; flex: 0 0 auto;
  background: linear-gradient(135deg, #5b36e8 0%, #8b3fd6 40%, #e05a9c 72%, #ffa54a 100%);
  display: grid; place-items: center;
  color: #fff; font-size: 24px; font-weight: 800; line-height: 1;
}

header.site h1 { font-size: 19px; margin: 0; letter-spacing: -0.01em; }
header.site .sub { color: var(--ink-faint); font-size: 14px; margin: 0; }

nav.site { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
nav.site a { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 500; }
nav.site a:hover { color: var(--brand); }

h1.page { font-size: 34px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 38px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, li { color: var(--ink-soft); }
p { margin: 0 0 14px; }
ul { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 7px; }
strong { color: var(--ink); font-weight: 650; }
a { color: var(--brand); }

.updated {
  color: var(--ink-faint);
  font-size: 14px;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 22px 0;
}

.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.hero {
  text-align: center;
  padding: 40px 0 10px;
}
.hero .big {
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: var(--ink);
  font-weight: 800;
}
.hero p.lede {
  font-size: 19px;
  max-width: 520px;
  margin: 0 auto 26px;
}
.badge {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 12px 26px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 650;
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 34px 0;
}
.grid .card { margin: 0; }
.grid h3 { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--ink); font-weight: 650; }
td { color: var(--ink-soft); }

.scroll-x { overflow-x: auto; }

footer.site {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 14px;
}
footer.site a { color: var(--ink-soft); }