:root {
  --bg: #ffffff;
  --surface: #f5f7fa;
  --text: #1a2230;
  --muted: #5b6678;
  --brand: #1f5eff;
  --brand-ink: #ffffff;
  --border: #e3e8ef;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c;
    --surface: #171e29;
    --text: #e8edf4;
    --muted: #9aa6b8;
    --brand: #6b95ff;
    --brand-ink: #0f141c;
    --border: #263042;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

header {
  border-bottom: 1px solid var(--border);
}
header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.logo span { color: var(--brand); }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: .95rem; }
nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--brand); }

main { padding: 40px 0 56px; }

.hero h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.2; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; }

.btn {
  display: inline-block; margin-top: 12px; padding: 12px 20px; border-radius: 8px;
  background: var(--brand); color: var(--brand-ink); text-decoration: none; font-weight: 600;
}

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 40px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

.legal h1 { font-size: 1.9rem; margin: 0 0 4px; }
.legal .updated { color: var(--muted); margin-top: 0; }
.legal h2 { font-size: 1.2rem; margin-top: 32px; }
.legal li { margin-bottom: 6px; }

footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
footer .wrap { padding-top: 20px; padding-bottom: 24px; }
footer a { color: var(--muted); }