.catalog-heading {
  margin: 38px auto 22px;
  color: var(--purple);
  font-size: clamp(16px, 3vw, 21px);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: .35px;
  text-align: center;
}

.catalog {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: min(100%, 600px);
  margin: 0 auto 36px;
  text-align: left;
}

.catalog-category {
  --category-fill: #f1e8f8;
  --category-accent: #8760b3;
  border: 1px solid #e9e0d9;
  border-radius: 20px;
  background: #fffdf8;
  box-shadow: 0 4px 0 #dfd5c650;
  overflow: clip;
}

.category-animals { --category-fill: #e1efdd; --category-accent: #729b5b; }
.category-world { --category-fill: #e0eef7; --category-accent: #5e9abb; }
.category-seasons { --category-fill: #fff0cd; --category-accent: #c59238; }
.category-stories { --category-fill: #eee3f6; --category-accent: #9970b4; }
.category-games { --category-fill: #ffe5d8; --category-accent: #d58b66; }
.category-learning { --category-fill: #dceee8; --category-accent: #609f8a; }
.category-offers { --category-fill: #f8e0ea; --category-accent: #c87fa0; }

.catalog-category summary,
.catalog-category.category-link {
  display: flex;
  align-items: center;
  gap: 17px;
  min-height: 86px;
  padding: 21px 25px;
  list-style: none;
  background: var(--category-fill);
  color: var(--ink);
  cursor: pointer;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: .45px;
  transition: filter 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

.catalog-category summary::-webkit-details-marker { display: none; }
.catalog-category summary::marker { content: ''; }
.catalog-category.category-link { text-decoration: none; }
.category-outbound { flex: 0 0 auto; font-size: 24px; line-height: 1; }
.catalog-category summary:hover,
.catalog-category.category-link:hover { filter: brightness(.985); }
.catalog-category summary:focus-visible,
.catalog-category.category-link:focus-visible {
  outline: 3px solid #2f6fa7;
  outline-offset: -5px;
  border-radius: 19px;
}

.category-dot {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--category-accent);
  box-shadow: 0 0 0 6px #ffffff70;
}

.category-label { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.category-chevron {
  flex: 0 0 11px;
  width: 11px;
  height: 11px;
  margin: -5px 3px 0 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.catalog-category[open] .category-chevron { transform: translateY(5px) rotate(225deg); }
.catalog-category[open] summary { border-bottom: 1px solid #e9e0d9; }
.category-content { padding: 29px 24px; }
.category-empty {
  margin: 0;
  text-align: center;
  color: #756b7d;
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .catalog-heading { margin: 32px auto 20px; }
  .catalog { gap: 13px; }
  .catalog-category { border-radius: 18px; }
  .catalog-category summary,
  .catalog-category.category-link { min-height: 82px; padding: 18px; gap: 14px; font-size: 14px; letter-spacing: .2px; }
  .category-dot { flex-basis: 10px; width: 10px; height: 10px; box-shadow: 0 0 0 4px #ffffff70; }
  .category-content { padding: 25px 18px; }
  .category-empty { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-category summary, .catalog-category.category-link, .category-chevron { transition: none; }
}