:root {
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --brand-1: #9333ea;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.22);
  --bg-soft: #f8fafc;
  --warning-bg: #fff7ed;
  --warning-line: #fed7aa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-2);
  background: #fff;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-1); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.brand:hover, .back-link:hover { text-decoration: none; }
.brand-mark-img { width: 36px; height: 36px; }
.back-link { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 14.5px; font-weight: 600; }
.back-link:hover { color: var(--ink); }
.back-link svg { width: 18px; height: 18px; }

.doc { padding: 56px 0 80px; }
.doc h1 { margin: 0 0 8px; color: var(--ink); font-size: clamp(28px, 5vw, 40px); line-height: 1.14; letter-spacing: -0.02em; }
.doc .updated { margin: 0 0 8px; color: var(--muted); font-size: 14.5px; }
.doc .lead { margin: 18px 0 0; color: var(--ink-2); font-size: 17px; }
.doc h2 { margin: 40px 0 12px; color: var(--ink); font-size: 21px; letter-spacing: -0.01em; }
.doc h3 { margin: 24px 0 8px; color: var(--ink); font-size: 17px; }
.doc p { margin: 12px 0; font-size: 16px; }
.doc ol, .doc ul { margin: 12px 0; padding-left: 24px; }
.doc li { margin: 8px 0; font-size: 16px; }
.doc li::marker { color: var(--muted); font-weight: 700; }
.callout { margin: 20px 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg-soft); font-size: 15px; }
.callout--important { border-color: var(--warning-line); background: var(--warning-bg); }
.contacts-box { margin: 20px 0; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; }
.contacts-box p { margin: 5px 0; font-size: 15px; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 14px; }
.legal-nav a { font-weight: 600; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 20px; color: var(--muted); font-size: 13.5px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }

@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .doc { padding: 38px 0 58px; }
  .header-row { min-height: 60px; }
  .back-link span { display: none; }
  .doc h2 { margin-top: 32px; }
  .doc p, .doc li { font-size: 15px; }
}