.rules-page-wrap {
  min-height: 60vh;
}

.rules-hero {
  padding: 62px 0 30px;
  border-bottom: 1px solid var(--border);
}

.rules-hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 5vw, 58px);
}

.rules-hero > p {
  max-width: 760px;
}

.rules-shell {
  padding-top: 32px;
}

.rules-important,
.rules-final {
  max-width: 900px;
  margin-bottom: 24px;
}

.rules-important strong,
.rules-final strong {
  color: var(--text);
}

.rules-important p,
.rules-final p {
  margin: 5px 0 0;
}

.rules-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin: 0 0 34px;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.rules-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-soft);
  font-size: 13px;
  text-decoration: none;
}

.rules-nav a:hover {
  border-color: var(--accent);
  color: var(--text);
}

.rules-nav a span {
  color: var(--accent);
  font-weight: 800;
}

.rules-section {
  max-width: 960px;
  margin: 0 0 48px;
  scroll-margin-top: 100px;
}

.rules-section-header {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.rules-section-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--accent);
  font-weight: 850;
}

.rules-section-header h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.025em;
}

.rules-section-header p {
  margin: 5px 0 0;
  color: var(--muted);
}

.rules-section-count {
  padding-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.rules-accordion-list {
  display: grid;
  gap: 8px;
}

.rule-accordion {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.rule-accordion[open] {
  border-color: var(--border-strong);
}

.rule-accordion.is-danger {
  border-left: 3px solid var(--danger);
}

.rule-accordion summary {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 18px;
  gap: 13px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.rule-accordion summary::-webkit-details-marker {
  display: none;
}

.rule-accordion summary:hover {
  background: var(--surface-raised);
}

.rule-code {
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.rule-summary-copy {
  min-width: 0;
}

.rule-summary-copy strong,
.rule-summary-copy small {
  display: block;
}

.rule-summary-copy strong {
  color: var(--text);
  font-size: 15px;
}

.rule-summary-copy small {
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rule-chevron {
  width: 9px;
  height: 9px;
  justify-self: end;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 140ms ease;
}

.rule-accordion[open] .rule-chevron {
  transform: rotate(225deg);
}

.rule-details {
  padding: 0 16px 16px 83px;
  border-top: 1px solid var(--border);
}

.rule-details > p {
  max-width: 74ch;
  margin: 15px 0;
  color: var(--text-soft);
}

.rule-sanction {
  display: grid;
  gap: 3px;
  max-width: 620px;
  padding: 11px 13px;
  border-left: 3px solid var(--warning);
  background: var(--surface-muted);
}

.rule-sanction span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.rule-sanction strong {
  color: var(--text);
  font-size: 13px;
}

@media (max-width: 680px) {
  .rules-section-header {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .rules-section-count {
    grid-column: 2;
    padding-top: 0;
  }

  .rule-accordion summary {
    grid-template-columns: 44px minmax(0, 1fr) 16px;
    padding: 13px;
  }

  .rule-summary-copy small {
    white-space: normal;
  }

  .rule-details {
    padding: 0 13px 14px;
  }
}