.rules-hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.rules-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-top: 1.5rem;
}

.rules-hero h1 span {
  color: var(--primary);
}

.rules-hero p {
  max-width: 760px;
  margin-top: 0.85rem;
  color: var(--muted-foreground);
  font-size: 0.98rem;
  line-height: 1.7;
}

.rules-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
  display: grid;
  gap: 1rem;
}

.rules-section {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background:
    linear-gradient(135deg, oklch(0.2 0.05 145 / 0.6), oklch(0.12 0.03 160 / 0.82)),
    oklch(0.14 0.03 150 / 0.75);
  padding: 1.2rem 1.35rem;
  backdrop-filter: blur(10px);
}

.rules-section h2 {
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rules-section p,
.rules-section li {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  line-height: 1.7;
}

.rules-section p + p {
  margin-top: 0.75rem;
}

.rules-section a {
  color: var(--primary);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.rules-section a:hover {
  color: var(--foreground);
}

.rules-section--tiebreaker {
  border-color: oklch(0.68 0.16 145 / 0.55);
  box-shadow: inset 3px 0 0 var(--primary);
}

.rules-section ul,
.rules-section ol {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.4rem;
  padding-left: 1.25rem;
}

.rules-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.rules-point {
  border: 1px solid oklch(0.42 0.08 145);
  border-radius: 0.6rem;
  padding: 0.85rem;
  background: oklch(0.18 0.05 145 / 0.72);
}

.rules-point strong {
  display: block;
  color: var(--primary);
  font-size: 1.35rem;
  line-height: 1;
}

.rules-point span {
  display: block;
  margin-top: 0.25rem;
  color: var(--foreground);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .rules-hero { padding: 1.5rem 1rem 2rem; }
  .rules-hero h1 { margin-top: 0.75rem; font-size: 2rem; }
  .rules-hero p { font-size: 0.9rem; }
  .rules-body { padding: 0 1rem 3rem; }
  .rules-section { padding: 1rem; }
  .rules-section h2 { font-size: 0.82rem; overflow-wrap: anywhere; }
  .rules-section p,
  .rules-section li { font-size: 0.84rem; }
  .rules-points {
    grid-template-columns: 1fr;
  }
}