:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --border: #e3e6ea;
  --text: #16181d;
  --muted: #5c6370;
  --accent: #3d5afe;
  --accent-soft: rgba(61, 90, 254, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --surface: #181b21;
    --border: #272b33;
    --text: #eceef2;
    --muted: #9aa1ad;
    --accent: #8fa3ff;
    --accent-soft: rgba(143, 163, 255, 0.10);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 720px; margin: 0 auto; padding-block: 56px 72px; }

header.site { margin-bottom: 44px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1 { font-size: 34px; line-height: 1.2; margin: 20px 0 10px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 40px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 16px; margin: 26px 0 8px; }

p, li { color: var(--text); }
.lead { font-size: 18px; color: var(--muted); margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

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

ul { padding-left: 22px; }
li { margin: 7px 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 22px 0;
}

.grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 26px 0; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
.feature h3 { margin: 0 0 6px; font-size: 15px; }
.feature p { margin: 0; font-size: 14px; color: var(--muted); }

table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.table-scroll { overflow-x: auto; }

nav.links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; }

footer.site {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}