.rules-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 8%, rgba(255, 210, 118, 0.15), transparent 28rem),
    radial-gradient(circle at 84% 18%, rgba(157, 45, 37, 0.18), transparent 32rem),
    linear-gradient(140deg, #07090d 0%, #111823 48%, #1e1113 100%);
}

.rules-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.rules-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 13, 0.84);
  backdrop-filter: blur(18px);
}

.rules-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(36px, 6vw, 78px) 0 88px;
}

.rules-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 390px);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 210, 118, 0.14), transparent 20rem),
    linear-gradient(145deg, rgba(248, 237, 216, 0.08), transparent),
    rgba(13, 18, 25, 0.84);
  box-shadow: var(--shadow);
}

.rules-hero-card h1 {
  font-size: clamp(44px, 8vw, 92px);
}

.rules-hero-card p,
.rules-grid p,
.rules-sanctions p,
.rules-sanctions li {
  color: var(--muted);
  line-height: 1.7;
}

.rules-hero-card p {
  max-width: 760px;
  font-size: 22px;
}

.rules-note {
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(7, 9, 13, 0.55);
}

.rules-note span,
.rules-grid span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--gold-2);
  font-weight: 900;
}

.rules-note strong {
  display: block;
  margin: 8px 0;
  font-family: "Cinzel", serif;
  font-size: 28px;
}

.rules-note small {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 22px 0;
}

.rules-grid article,
.rules-sanctions article {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(248, 237, 216, 0.08), transparent),
    rgba(13, 18, 25, 0.82);
  box-shadow: var(--shadow);
}

.rules-grid article {
  min-height: 240px;
  padding: 24px;
}

.rules-sanctions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.rules-sanctions article {
  padding: 28px;
}

.rules-sanctions ul {
  margin: 20px 0 0;
  padding-left: 22px;
}

.rules-sanctions li {
  margin: 10px 0;
}

@media (max-width: 1040px) {
  .rules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 920px) {
  .rules-header,
  .rules-hero-card,
  .rules-sanctions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .rules-shell {
    width: min(100% - 24px, 1180px);
  }

  .rules-grid {
    grid-template-columns: 1fr;
  }

  .rules-grid article,
  .rules-sanctions article,
  .rules-note {
    padding: 22px;
  }
}