:root {
  --ink: #14202E;
  --body: #3D4754;
  --muted: #6B7686;
  --faint: #97A0AB;
  --navy: #16395B;
  --line: #E3E6E9;
  --line-card: #DDE1E5;
  --line-ctl: #C6CDD4;
  --cream: #FBF6E8;
  --cream-line: #E5D9BC;
  --cream-line-strong: #D9C89A;
  --amber-ink: #7A5B16;
  --amber-dash: #C99A3A;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Public Sans', system-ui, sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  background: #FFFFFF;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.spacer { flex: 1; }

/* ── header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  flex-shrink: 0;
  display: block;
}

.wordmark {
  font-family: 'Archivo', var(--sans);
  font-size: 17px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #1A1611;
  white-space: nowrap;
}

.wordmark .wm-still { font-weight: 600; }
.wordmark .wm-owed { font-weight: 800; }

.btn-back {
  text-decoration: none;
  background: #FFFFFF;
  border: 1px solid var(--line-ctl);
  color: var(--body);
  font-weight: 600;
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 999px;
}

.btn-back:hover {
  border-color: var(--navy);
  color: var(--navy);
}

/* ── demo banner ── */
.demo-banner {
  background: var(--cream);
  border-bottom: 1px solid var(--cream-line);
}

.demo-banner-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--amber-ink);
  text-align: center;
}

/* ── page layout ── */
.page {
  max-width: 1140px;
  margin: 0 auto;
  padding: 40px 24px 88px;
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

/* ── sticky TOC ── */
.legal-toc {
  display: none;
  flex: 0 0 230px;
  position: sticky;
  top: 96px;
}

@media (min-width: 920px) {
  .legal-toc { display: block; }
}

.toc-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--faint);
  margin-bottom: 12px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.toc-link {
  text-align: left;
  background: transparent;
  border: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  padding: 6px 0 6px 14px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--muted);
}

.toc-link:hover {
  color: var(--navy);
  border-left: 2px solid var(--navy);
}

/* ── content ── */
.content {
  flex: 1;
  min-width: 0;
}

.doc-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.tab {
  cursor: pointer;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--sans);
  transition: all 0.15s ease;
  background: #FFFFFF;
  border: 1px solid var(--line-ctl);
  color: var(--body);
}

.tab:hover { border-color: var(--navy); }

.tab.active {
  background: var(--navy);
  border: 1px solid var(--navy);
  color: #FFFFFF;
}

.doc-col { max-width: 70ch; }

/* ── document text ── */
.draft-note {
  background: var(--cream);
  border: 1px solid var(--cream-line-strong);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber-ink);
  margin-bottom: 28px;
}

.doc h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.updated {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--muted);
}

.doc p {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body);
}

.doc p strong { color: var(--ink); }

.lede-italic {
  margin: 22px 0 0 !important;
  font-size: 15.5px !important;
  font-style: italic;
}

.lede { margin: 22px 0 0 !important; }

.p-first { margin-top: 26px !important; }

.p-first-loose { margin-top: 30px !important; }

.doc-sub {
  margin: 16px 0 0 !important;
  font-size: 15.5px !important;
  line-height: 1.7 !important;
}

.pretty { text-wrap: pretty; }

/* placeholder tokens */
.ph {
  background: var(--cream);
  border: 1px dashed var(--amber-dash);
  border-radius: 6px;
  padding: 0 7px;
  color: var(--amber-ink);
  font-weight: 600;
  font-size: 0.88em;
}

/* ── guardrail register ── */
.rules {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rule {
  display: flex;
  gap: 22px;
  background: #FFFFFF;
  border: 1px solid var(--line-card);
  border-radius: 16px;
  padding: 22px 24px;
}

.rule-n {
  flex-shrink: 0;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  min-width: 46px;
}

.rule-body { min-width: 0; }

.rule-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.rule-text {
  margin-top: 7px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--body);
}

.charter-close {
  margin: 28px 0 0 !important;
  font-size: 15.5px !important;
  line-height: 1.7 !important;
  color: var(--ink) !important;
  font-family: var(--serif);
  font-style: italic;
}

/* ── footer ── */
.site-footer { border-top: 1px solid var(--line); }

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
  color: var(--faint);
}