:root {
  color-scheme: dark;
  --bg-0: #0a0c10; --bg-1: #11141b; --bg-2: #161a23; --bg-3: #1d2230;
  --border: #232938; --border-strong: #2d3445;
  --text: #e7eaf0; --text-muted: #8893a8; --text-dim: #5b6478;
  --accent: #3b82f6; --accent-2: #6366f1;
  --header-h: 64px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: "Inter", -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(99,102,241,.15), transparent 60%),
    radial-gradient(1000px 500px at 90% 110%, rgba(59,130,246,.12), transparent 60%),
    var(--bg-0);
  color: var(--text); margin: 0;
  font-size: 14.5px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column; min-height: 100vh;
}

.header {
  height: var(--header-h);
  background: rgba(17,20,27,.85);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
}
.header-left { display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: grid; place-items: center; color: white;
  box-shadow: 0 4px 16px rgba(99,102,241,.35), 0 1px 0 rgba(255,255,255,.15) inset;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.logo-sub { font-size: 10.5px; color: var(--text-muted); letter-spacing: .05em; text-transform: uppercase; }
.nav { display: flex; gap: 4px; }
.nav a {
  text-decoration: none; color: var(--text-muted);
  font-size: 13px; font-weight: 500; padding: 8px 14px;
  border-radius: 8px; transition: background .15s, color .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav a:hover { background: var(--bg-2); color: var(--text); }
.nav a.active { background: var(--bg-3); color: var(--text); }
.nav a svg { width: 14px; height: 14px; }

.legal-page { flex: 1; max-width: 820px; width: 100%; margin: 0 auto; padding: 48px 28px 80px; }
.legal-page h1 { font-size: 32px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 8px; }
.legal-page .meta { color: var(--text-muted); font-size: 13px; margin-bottom: 32px; }
.legal-page h2 { font-size: 18px; font-weight: 600; margin: 32px 0 12px; letter-spacing: -.01em; padding-top: 8px; }
.legal-page h3 { font-size: 15px; font-weight: 600; margin: 20px 0 8px; color: var(--text); }
.legal-page p, .legal-page li { color: #c8cfdc; }
.legal-page a { color: var(--accent); text-decoration: none; }
.legal-page a:hover { text-decoration: underline; }
.legal-page ul, .legal-page ol { padding-left: 22px; }
.legal-page li { margin-bottom: 6px; }
.legal-page .toc {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 24px; margin-bottom: 32px;
}
.legal-page .toc h4 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); }
.legal-page .toc ol { margin: 0; padding-left: 18px; }
.legal-page .toc a { color: var(--text); opacity: .85; }
.legal-page hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }

.footer {
  background: var(--bg-1); border-top: 1px solid var(--border);
  padding: 32px 28px 20px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand { max-width: 320px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { color: var(--text-muted); font-size: 12.5px; margin: 0; }
.footer h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin: 0 0 12px; font-weight: 600; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer a { color: var(--text); text-decoration: none; font-size: 13px; opacity: .8; transition: opacity .15s; }
.footer a:hover { opacity: 1; color: var(--accent); }
.footer-bottom { max-width: 1200px; margin: 28px auto 0; padding-top: 18px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--text-dim); }

@media (max-width: 880px) {
  .header { padding: 0 16px; }
  .nav { display: none; }
  .footer { padding: 24px 16px 16px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
  .legal-page { padding: 28px 16px 60px; }
}