:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1c1d21;
  --muted: #5d606b;
  --line: #e6e3dc;
  --accent: #3a4fd8;
  --accent-soft: #eceffd;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121317;
    --surface: #1a1c21;
    --text: #ecedf0;
    --muted: #a3a6b1;
    --line: #2c2f37;
    --accent: #8a98ff;
    --accent-soft: #23284a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none;
}
.brand svg { width: 28px; height: 28px; }
nav.site { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav.site a { color: var(--muted); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--text); }

.hero { padding: 72px 0 48px; }
.hero h1 {
  font-size: clamp(32px, 5vw, 50px); line-height: 1.12;
  letter-spacing: -0.02em; margin: 0 0 18px; max-width: 760px;
}
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.button {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 600;
}
@media (prefers-color-scheme: dark) { .button { color: #121317; } }

section.block { padding: 40px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: 26px; margin: 0 0 22px; letter-spacing: -0.01em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li {
  counter-increment: step; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 20px 16px 60px; position: relative;
}
.steps li::before {
  content: counter(step); position: absolute; left: 18px; top: 15px;
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent); font-weight: 700; display: grid; place-items: center; font-size: 15px;
}

/* Policy pages */
.doc { max-width: 760px; padding: 48px 20px 64px; margin: 0 auto; }
.doc h1 { font-size: clamp(28px, 7vw, 36px); overflow-wrap: break-word; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 22px; margin: 40px 0 10px; }
.doc li { margin: 6px 0; }
.table-scroll { overflow-x: auto; margin: 16px 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; min-width: 520px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--muted); font-weight: 600; }
.note {
  background: var(--accent-soft); border-radius: var(--radius);
  padding: 16px 20px; margin: 20px 0;
}

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 28px 0 40px; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }