.rules-page {
  background:
    linear-gradient(180deg, rgba(8, 11, 22, .2), var(--ink) 36rem),
    url("/assets/moonfall-desert.png") top center / 100% auto no-repeat,
    var(--ink);
}

.rules-page .site-header nav a[aria-current="page"] {
  color: var(--gold2);
}

.rules-hero {
  min-height: 34rem;
  display: flex;
  align-items: flex-end;
  padding: 10rem max(5vw, 2rem) 5rem;
  border-bottom: 1px solid var(--line);
}

.rules-hero-copy {
  width: min(56rem, 100%);
}

.rules-hero h1 {
  margin: .4rem 0 1rem;
  max-width: 12ch;
  font-size: clamp(3.4rem, 8vw, 7.5rem);
  line-height: .92;
}

.rules-hero p:not(.eyebrow) {
  max-width: 46rem;
  color: #d5d4d1;
  font-size: 1.08rem;
  line-height: 1.75;
}

.rules-meta {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.rules-shell {
  display: grid;
  grid-template-columns: minmax(15rem, 20rem) minmax(0, 52rem);
  gap: clamp(3rem, 7vw, 7rem);
  justify-content: center;
  padding: 5rem max(5vw, 2rem) 8rem;
}

.rules-toc {
  align-self: start;
  position: sticky;
  top: 6rem;
  max-height: calc(100vh - 8rem);
  overflow: auto;
  padding: 1.4rem 1.2rem 1.4rem 1.4rem;
  border: 1px solid rgba(212, 173, 89, .38);
  background: rgba(12, 16, 30, .86);
  backdrop-filter: blur(18px);
}

.rules-toc h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--gold2);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.rules-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rules;
}

.rules-toc li {
  counter-increment: rules;
  border-top: 1px solid rgba(255, 255, 255, .07);
}

.rules-toc a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .45rem;
  padding: .65rem 0;
  color: #c8cad2;
  font-size: .86rem;
  line-height: 1.35;
}

.rules-toc a::before {
  content: counter(rules, decimal-leading-zero);
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.rules-toc a:hover,
.rules-toc a:focus-visible {
  color: #fff;
}

.rules-document {
  min-width: 0;
}

.rules-intro {
  margin-bottom: 4rem;
  padding: 1.5rem 1.7rem;
  border-left: 3px solid var(--gold);
  background: rgba(212, 173, 89, .08);
  color: #dddde1;
  line-height: 1.75;
}

.rule-section {
  scroll-margin-top: 7rem;
  padding: 0 0 4rem;
  margin: 0 0 4rem;
  border-bottom: 1px solid var(--line);
}

.rule-number {
  display: block;
  margin-bottom: .55rem;
  color: var(--gold);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.rule-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.rule-section h3 {
  margin: 2rem 0 .6rem;
  color: var(--gold2);
  font-size: 1.05rem;
}

.rule-section p,
.rule-section li {
  color: #c9cad1;
  line-height: 1.78;
}

.rule-section ul {
  margin: .8rem 0 0;
  padding-left: 1.2rem;
}

.rule-section li {
  margin: .5rem 0;
  padding-left: .35rem;
}

.rule-section li::marker {
  color: var(--gold);
}

.rule-callout {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(143, 114, 216, .42);
  background: rgba(143, 114, 216, .09);
}

.rule-callout strong {
  color: #fff;
}

.rules-contact {
  padding: 2rem;
  border: 1px solid rgba(212, 173, 89, .4);
  background: var(--panel);
}

.rules-contact h2 {
  margin-top: 0;
}

@media (max-width: 860px) {
  .rules-hero {
    min-height: 28rem;
    padding-top: 8rem;
  }

  .rules-shell {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

  .rules-toc {
    position: static;
    max-height: none;
  }
}

@media (max-width: 620px) {
  .rules-hero,
  .rules-shell {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .rules-meta {
    flex-direction: column;
    gap: .35rem;
  }

  .rule-section {
    margin-bottom: 2.8rem;
    padding-bottom: 2.8rem;
  }
}