.archive-section {
  max-width: 1100px;
  margin: 0 auto;
}

.archive-section .archive-columns {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.archive-section .archive-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.archive-section .archive-grid-item {
  display: flex;
  flex-direction: column;
}

.archive-section h1 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  color: var(--text);
}

.archive-section-item {
  color: #00FFFF;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.archive-section-item .section-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  font-size: 14px;
  font-weight: 700;
  color: #00FFFF;
  transition: transform 0.25s ease, color 0.25s ease;
  line-height: 1;
}

.archive-section-item.active .section-indicator {
  color: #ffffff;
  transform: scale(1.1);
}

.archive-grid-item .archive-section-series {
  list-style: none;
  padding: 0 !important;
  margin: 0 !important;
  margin-left: 20px;
  margin-top: -8px;
  max-height: 0 !important;
  overflow: hidden !important;
  padding-bottom: 0 !important;
  transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.5s ease-out 0.1s, padding-bottom 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), visibility 0s ease-out 0.6s;
  opacity: 1 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.archive-grid-item .archive-section-item.active + .archive-section-series,
.archive-grid-item .archive-section-series.expanded {
  max-height: 500px !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  padding-bottom: 24px !important;
  transition: max-height 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.5s ease-in 0.1s, padding-bottom 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), visibility 0s ease-in;
}

.archive-section-series-item {
  margin-bottom: 4px;
  line-height: 1.4;
}

.archive-section-series-link {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
  padding: 0;
  padding-left: 12px;
  line-height: 1.2;
}

.archive-section-series-link:hover {
  color: #cc0000;
}

.archive-section-series-link::before {
  content: '+ ';
  color: var(--muted);
  margin-right: 3px;
}

.archive-section-series-link:hover::before {
  color: #cc0000;
}