:root {
  --indigo: #4f46e5;
  --violet: #7c3aed;
  --cyan: #06b6d4;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg-soft: #f8fafc;
  --maxw: 820px;
  --grad: linear-gradient(120deg, #4f46e5 0%, #7c3aed 55%, #06b6d4 120%);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }
svg { display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

/* Header */
header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 1120px; margin-inline: auto; padding-inline: 24px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.1rem; letter-spacing: -.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 28px; height: 28px; }
.nav a.back { color: var(--slate); font-weight: 500; font-size: .92rem; }

/* Hero strip */
.legal-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 48px 0 36px; }
.legal-hero h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -.02em; margin: 0; }
.legal-hero p { color: var(--muted); margin: .6rem 0 0; font-size: .95rem; }

/* Content */
main { padding: 44px 0 64px; }
main h2 { font-size: 1.3rem; font-weight: 700; margin: 2.4rem 0 .6rem; letter-spacing: -.01em; }
main h3 { font-size: 1.05rem; font-weight: 700; margin: 1.6rem 0 .4rem; }
main p, main li { color: var(--slate); font-size: 1rem; }
main ul { padding-left: 1.3rem; }
main li { margin: .35rem 0; }
main strong { color: var(--ink); }
.toc { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; margin: 8px 0 12px; }
.toc h2 { margin: 0 0 .6rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink); }
.toc ol { margin: 0; padding-left: 1.2rem; }
.toc li { color: var(--slate); }
.note { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 12px; padding: 16px 20px; margin: 24px 0; font-size: .92rem; color: #9a3412; }
.placeholder { background: #eef2ff; border-radius: 4px; padding: 0 4px; color: var(--indigo); font-weight: 600; font-size: .92em; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .9rem; }
.foot { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 16px; }
.foot a { color: var(--slate); }

@media (max-width: 520px) {
  .nav a.back span { display: none; }
}