/* ============================================================
   collection-detail.css — Үзмэрийн дэлгэрэнгүй хуудас
   cd- prefix. Brand: #031F3E navy, #3B0002 maroon, gold accent
   ============================================================ */

.cd-body { background: #f7f5f0; }

/* ─── BREADCRUMB ─── */
.cd-breadcrumb { font-size: .82rem; }
.cd-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cd-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .15s;
}
.cd-breadcrumb a:hover { color: var(--maroon); }
.cd-breadcrumb [aria-current="page"] {
  color: var(--maroon);
  font-weight: 700;
}
.cd-breadcrumb i { font-size: .55rem; color: #bbb; }


/* ═══════════════════════════════════════════════════════════
   FULL-BLEED BANNER — Анх ороход том зураг
   ═══════════════════════════════════════════════════════════ */
.cd-banner {
  position: relative;
  height: clamp(520px, 78vh, 880px);
  overflow: hidden;
  background: #1f0a0c;
}
.cd-banner-img {
  position: absolute;
  inset: 0;
}
.cd-banner-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #1f0a0c;
}
.cd-banner-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(59,0,2,.35) 0%, rgba(59,0,2,0) 25%, rgba(59,0,2,0) 55%, rgba(59,0,2,.92) 100%);
  pointer-events: none;
}

.cd-banner-zoom {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(59, 0, 2, .65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  border: 1px solid rgba(201, 162, 74, .55);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  z-index: 4;
}
.cd-banner-zoom:hover {
  background: var(--maroon);
  border-color: var(--gold);
  transform: scale(1.08);
}
.cd-banner-zoom i { color: #fff; }

.cd-banner-content {
  position: absolute;
  bottom: 80px;
  left: 0;
  right: 0;
  color: #fff;
  z-index: 3;
}
.cd-banner-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--maroon);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
  border: 1px solid var(--gold);
}
.cd-banner-cat i { color: var(--gold-light); }
.cd-banner-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.1;
  margin: 0 0 12px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .55);
}
.cd-banner-author {
  font-size: clamp(.92rem, 1.4vw, 1.1rem);
  color: rgba(255, 255, 255, .9);
  margin: 0;
  font-weight: 500;
  letter-spacing: .03em;
}

.cd-banner-scroll {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .85);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  text-decoration: none;
  z-index: 3;
  animation: cd-bounce 2.4s ease-in-out infinite;
}
.cd-banner-scroll i { color: var(--gold-light); font-size: 1rem; }
.cd-banner-scroll:hover { color: #fff; }
@keyframes cd-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}


/* ═══════════════════════════════════════════════════════════
   THUMBNAIL ROW — banner-ийн доор төвд
   ═══════════════════════════════════════════════════════════ */
.cd-thumbs-section {
  padding: 36px 0 28px;
  background: #f7f5f0;
  scroll-margin-top: 80px;
}

.cd-thumbs-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.cd-thumbs-row .cd-thumb {
  width: 110px;
  height: 110px;
}

.cd-thumbs-hint {
  text-align: center;
  font-size: .78rem;
  color: var(--muted);
  margin: 14px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.5;
}
.cd-thumbs-hint i { color: var(--gold-deep); flex-shrink: 0; }

.cd-thumb {
  background: transparent;
  border: 2px solid #e0d8c5;
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1;
  transition: all .2s;
}
.cd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cd-thumb:hover { border-color: var(--gold); }
.cd-thumb.active { border-color: var(--maroon); box-shadow: 0 0 0 2px rgba(59, 0, 2, .15); }


/* ─── INFO PANEL ─── */
.cd-info {
  padding-top: 8px;
}

.cd-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--maroon);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.cd-cat-badge i { color: var(--gold-light); }

.cd-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--maroon);
  letter-spacing: .01em;
  line-height: 1.15;
  margin: 0 0 16px;
}

.cd-author {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid #e0d8c5;
  flex-wrap: wrap;
}
.cd-author-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}
.cd-author-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--maroon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.cd-author-name:hover { border-bottom-color: var(--maroon); }
.cd-author-meta { color: var(--muted); font-size: .9rem; }

.cd-summary {
  font-size: .98rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 26px;
}

.cd-quick {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  border-top: 1px solid #e8e0cc;
}
.cd-quick li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #e8e0cc;
}
.cd-quick-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}
.cd-quick strong {
  color: var(--maroon);
  font-weight: 700;
  font-size: .92rem;
  text-align: right;
}


/* ─── ACTIONS ─── */
.cd-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.cd-action-main {
  flex: 1;
  min-width: 200px;
  padding: 14px 22px;
  font-size: .92rem;
  letter-spacing: .04em;
  justify-content: center;
}
.cd-icon-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #d8d8d8;
  color: var(--maroon);
  cursor: pointer;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.cd-icon-btn i { color: var(--maroon); transition: color .2s; }
.cd-icon-btn:hover {
  background: var(--maroon);
  border-color: var(--maroon);
}
.cd-icon-btn:hover i { color: #fff; }


/* ═══════════════════════════════════════════════════════════
   ANCHOR NAV — sticky tabs
   ═══════════════════════════════════════════════════════════ */
.cd-anchor-nav {
  position: sticky;
  top: 64px;
  z-index: 50;
  background: #fff;
  border-top: 1px solid #e0d8c5;
  border-bottom: 1px solid #e0d8c5;
  box-shadow: 0 4px 18px rgba(59, 0, 2, .06);
}
.cd-anchor-nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 6px;
  overflow-x: auto;
}
.cd-anchor {
  display: inline-block;
  padding: 18px 22px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all .2s;
  white-space: nowrap;
}
.cd-anchor:hover { color: var(--maroon); }
.cd-anchor.active {
  color: var(--maroon);
  border-bottom-color: var(--maroon);
}


/* ═══════════════════════════════════════════════════════════
   SECTIONS — shared head
   ═══════════════════════════════════════════════════════════ */
.cd-section {
  padding: 80px 0;
  scroll-margin-top: 130px;
}
.cd-section:nth-child(even) { background: #fff; }
.cd-section-tech { background: #fff; }
.cd-section-media { background: linear-gradient(180deg, #fff 0%, #f7f5f0 100%); padding: 52px 0; }

.cd-section-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.cd-section-num {
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--gold);
  background: rgba(201, 162, 74, .12);
  padding: 6px 14px;
  border-radius: 100px;
}
.cd-section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  color: var(--maroon);
  margin: 0;
  letter-spacing: .01em;
}
.cd-section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
  min-width: 60px;
}
.cd-related-sub {
  width: 100%;
  font-size: .9rem;
  color: var(--muted);
  margin: 0;
}


/* ═══════════════════════════════════════════════════════════
   META BAR — Quick facts grid + actions + share
   ═══════════════════════════════════════════════════════════ */
.cd-meta-bar {
  background: #faf8f3;
  border: 1px solid #ece6d4;
  border-radius: var(--radius);
  padding: 28px 32px 22px;
  margin-bottom: 44px;
}

.cd-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 36px;
}
.cd-meta-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cd-meta-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}
.cd-meta-value {
  font-size: .98rem;
  font-weight: 700;
  color: var(--maroon);
  text-decoration: none;
}
/* Хэмжээ — түлхүүр:утга мөр мөрөөр */
.cd-dims {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.cd-dim-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.cd-dim-key {
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
}
.cd-dim-val {
  font-weight: 700;
  color: var(--maroon);
  white-space: nowrap;
}
.cd-meta-link {
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.cd-meta-link:hover { border-bottom-color: var(--maroon); }

/* Action + Share row */
.cd-action-row {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 22px;
}
.cd-actions {
  display: flex;
  gap: 10px;
}
.cd-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.cd-share-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 4px;
}
.cd-share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #d8d8d8;
  color: var(--maroon);
  cursor: pointer;
  font-size: .85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all .2s;
}
.cd-share-btn i { color: var(--maroon); transition: color .2s; }
.cd-share-btn:hover {
  transform: translateY(-2px);
  border-color: var(--maroon);
}
.cd-share-fb:hover { background: #1877f2; border-color: #1877f2; }
.cd-share-fb:hover i { color: #fff; }
.cd-share-tw:hover { background: #000; border-color: #000; }
.cd-share-tw:hover i { color: #fff; }
.cd-share-li:hover { background: #0a66c2; border-color: #0a66c2; }
.cd-share-li:hover i { color: #fff; }
.cd-share-em:hover { background: var(--maroon); }
.cd-share-em:hover i { color: #fff; }
.cd-share-link:hover { background: var(--gold); border-color: var(--gold); }
.cd-share-link:hover i { color: var(--maroon-deep); }
.cd-share-link.copied { background: #2ea043; border-color: #2ea043; }
.cd-share-link.copied i { color: #fff; }


/* ═══════════════════════════════════════════════════════════
   SECTION 1 — GENERAL (prose + sidebar)
   ═══════════════════════════════════════════════════════════ */
.cd-prose-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 50px;
  align-items: start;
}

/* Sidebar-гүй (зөвхөн тайлбар) үед унших өргөнийг хязгаарлана */
.cd-prose--full {
  max-width: 820px;
}

.cd-prose h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--maroon);
  margin: 32px 0 14px;
  letter-spacing: .01em;
}
.cd-prose h3:first-child { margin-top: 0; }

.cd-prose p {
  font-size: .98rem;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 16px;
}
.cd-prose p strong { color: var(--maroon); }
.cd-prose p em { color: var(--maroon); font-style: italic; }

.cd-feature-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cd-feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: #faf8f3;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.cd-feature-list li i {
  color: var(--gold);
  font-size: 1rem;
  margin-top: 4px;
  flex-shrink: 0;
}
.cd-feature-list li div { display: flex; flex-direction: column; gap: 4px; }
.cd-feature-list li strong {
  color: var(--maroon);
  font-weight: 700;
  font-size: .95rem;
}
.cd-feature-list li span {
  color: var(--text);
  font-size: .88rem;
  line-height: 1.55;
}

.cd-author-card {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 26px;
  padding: 22px;
  background: linear-gradient(135deg, var(--maroon) 0%, var(--maroon-deep) 100%);
  color: #fff;
  border-radius: var(--radius);
}
.cd-author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(201, 162, 74, .2);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.4rem;
}
.cd-author-avatar i { color: var(--gold-light); }
.cd-author-info { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.cd-author-info strong { font-size: 1.1rem; color: #fff; font-weight: 700; }
.cd-author-info span { font-size: .82rem; color: var(--gold-light); }
.cd-author-info a {
  font-size: .82rem;
  color: #fff;
  text-decoration: none;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--gold);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: gap .2s;
}
.cd-author-info a:hover { gap: 12px; }
.cd-author-info a i { color: var(--gold); }


/* Sidebar (general section) */
.cd-sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 140px;
}

.cd-side-card {
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  padding: 22px;
}
.cd-side-card h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--maroon);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold);
}
.cd-side-card h4 i { color: var(--gold-deep); }
.cd-side-card p { font-size: .92rem; color: var(--text); margin: 0 0 6px; }
.cd-side-card .cd-side-muted { color: var(--muted); font-size: .85rem; }
.cd-side-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--maroon);
  font-weight: 600;
  font-size: .85rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all .2s;
}
.cd-side-link:hover {
  border-bottom-color: var(--maroon);
  gap: 12px;
}

.cd-history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cd-history li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  font-size: .85rem;
}
.cd-history strong {
  color: var(--maroon);
  font-weight: 700;
  font-family: 'Courier New', monospace;
  font-size: .82rem;
}
.cd-history span { color: var(--text); }

.cd-side-cta {
  background: linear-gradient(135deg, var(--maroon) 0%, var(--maroon-deep) 100%);
  color: #fff;
  border-color: var(--maroon);
}
.cd-side-cta h4 {
  color: var(--gold-light);
  border-bottom-color: rgba(201, 162, 74, .35);
  margin-bottom: 12px;
}
.cd-side-cta p { color: rgba(255, 255, 255, .85); }
.cd-side-cta .cd-side-muted { color: rgba(255, 255, 255, .65); }
.cd-side-cta .btn { margin-top: 14px; width: 100%; justify-content: center; }


/* ═══════════════════════════════════════════════════════════
   SECTION 2 — TECHNICAL
   ═══════════════════════════════════════════════════════════ */
.cd-tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.cd-tech-block {
  background: #faf8f3;
  border: 1px solid #ece6d4;
  border-radius: var(--radius);
  padding: 26px 28px;
}
.cd-tech-block-wide { grid-column: 1 / -1; }

.cd-tech-block h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--maroon);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gold);
}
.cd-tech-block h3 i { color: var(--gold-deep); font-size: .9rem; }

.cd-data-list { display: flex; flex-direction: column; gap: 0; margin: 0; }
.cd-data-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed #e0d8c5;
  font-size: .9rem;
}
.cd-data-list > div:last-child { border-bottom: none; }
.cd-data-list dt {
  color: var(--muted);
  font-weight: 600;
  margin: 0;
  flex-shrink: 0;
}
.cd-data-list dd {
  color: var(--maroon);
  font-weight: 700;
  margin: 0;
  text-align: right;
}

.cd-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .05em;
}
.cd-status-good { background: #e3f7e7; color: #1b6e2c; }


/* Exhibition history */
.cd-exhibition-history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cd-exhibition-history li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid #e8e0cc;
}
.cd-exhibition-history li:last-child { border-bottom: none; }
.cd-eh-year {
  font-family: 'Courier New', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--maroon);
}
.cd-eh-info { display: flex; flex-direction: column; gap: 4px; }
.cd-eh-info strong { color: var(--maroon); font-weight: 700; font-size: .95rem; }
.cd-eh-info span { color: var(--muted); font-size: .82rem; }

/* Bibliography */
.cd-biblio {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cd-biblio li {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--text);
  padding-left: 18px;
  position: relative;
}
.cd-biblio li::before {
  content: '§';
  position: absolute;
  left: 0;
  color: var(--gold-deep);
  font-weight: 700;
}
.cd-biblio strong { color: var(--maroon); }
.cd-biblio em { color: var(--maroon); font-style: italic; }


/* ═══════════════════════════════════════════════════════════
   SECTION 3 — MEDIA
   ═══════════════════════════════════════════════════════════ */
.cd-media-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e0d8c5;
}
.cd-media-tab {
  background: #fff;
  border: 1px solid #d8d8d8;
  border-radius: 100px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all .2s;
}
.cd-media-tab i { color: var(--maroon); }
.cd-media-tab em {
  font-style: normal;
  background: #f0eadc;
  color: var(--maroon);
  font-size: .7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
}
.cd-media-tab:hover { border-color: var(--maroon); }
.cd-media-tab.active {
  background: var(--maroon);
  color: #fff;
  border-color: var(--maroon);
}
.cd-media-tab.active i { color: var(--gold-light); }
.cd-media-tab.active em { background: var(--gold); color: var(--maroon-deep); }

.cd-media-panel { display: none; }
.cd-media-panel.active { display: block; }


/* Articles */
.cd-articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cd-article {
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .25s;
}
.cd-article:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(59, 0, 2, .12);
  border-color: var(--gold);
}
.cd-article-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  display: block;
  background: var(--gray);
}
.cd-article-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s;
}
.cd-article:hover .cd-article-img img { transform: scale(1.05); }

.cd-article-type {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 0, 2, .92);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}
.cd-article-type i { color: var(--gold-light); }

.cd-article-body {
  padding: 14px 16px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.cd-article-meta {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--maroon);
}
.cd-article-body h4 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--maroon);
  margin: 0;
  letter-spacing: .01em;
  line-height: 1.3;
}
.cd-article-body p {
  font-size: .8rem;
  color: var(--text);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}
.cd-article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--maroon);
  font-weight: 700;
  font-size: .85rem;
  text-decoration: none;
  margin-top: 6px;
  transition: gap .2s;
}
.cd-article-link:hover { gap: 14px; }


/* Videos */
.cd-videos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.cd-video {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .25s;
}
.cd-video:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(59, 0, 2, .12);
  border-color: var(--gold);
}

.cd-video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gray);
}
.cd-video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s;
}
.cd-video:hover .cd-video-thumb img { transform: scale(1.06); }
.cd-video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.5) 100%);
}
.cd-video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(233, 21, 24, .92);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 2px solid #fff;
  z-index: 1;
  transition: all .2s;
}
.cd-video:hover .cd-video-play {
  transform: translate(-50%, -50%) scale(1.1);
}
.cd-video-play i { color: #fff; padding-left: 3px; }
.cd-video-time {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, .75);
  color: #fff;
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  z-index: 1;
}
.cd-video-info { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 4px; }
.cd-video-info h4 { font-size: .98rem; font-weight: 700; color: var(--maroon); margin: 0; line-height: 1.35; }
.cd-video-info span { font-size: .78rem; color: var(--muted); }


/* Audio */
.cd-audio-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cd-audio-list li {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  padding: 16px 22px;
  transition: all .2s;
}
.cd-audio-list li:hover { border-color: var(--maroon); }
.cd-audio-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--maroon);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .2s;
}
.cd-audio-play i { color: #fff; padding-left: 2px; }
.cd-audio-play:hover { background: var(--maroon-deep); transform: scale(1.08); }
.cd-audio-info { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.cd-audio-info strong { color: var(--maroon); font-size: .98rem; font-weight: 700; }
.cd-audio-info span { color: var(--muted); font-size: .82rem; }
.cd-audio-duration {
  color: var(--maroon);
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: .85rem;
}


/* 3D */
.cd-3d-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 30px;
  align-items: center;
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  padding: 24px;
}
.cd-3d-img {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray);
}
.cd-3d-img img { width: 100%; height: 100%; object-fit: cover; }
.cd-3d-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(59, 0, 2, .92);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cd-3d-badge i { color: var(--gold-light); }
.cd-3d-info h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--maroon);
  margin: 0 0 12px;
}
.cd-3d-info p {
  font-size: .95rem;
  color: var(--text);
  line-height: 1.6;
  margin: 0 0 18px;
}


/* ═══════════════════════════════════════════════════════════
   CREATOR / TEAM PROFILE
   ═══════════════════════════════════════════════════════════ */
.cd-creator {
  padding: 80px 0;
  background: #fff;
  scroll-margin-top: 130px;
}

.cd-creator-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  background: linear-gradient(135deg, #faf8f3 0%, #fff 100%);
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  padding: 36px;
  align-items: start;
}

.cd-creator-photo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.cd-creator-avatar {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--maroon) 0%, var(--maroon-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--gold);
  box-shadow: 0 18px 40px rgba(59, 0, 2, .25);
}
.cd-creator-avatar i {
  color: var(--gold-light);
  font-size: 4rem;
}
.cd-creator-avatar-team i { font-size: 3.5rem; }

.cd-creator-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--maroon);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--gold);
}
.cd-creator-badge i { color: var(--gold-light); }
.cd-creator-badge-team { background: var(--gold-deep); }

.cd-creator-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cd-creator-role {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.cd-creator-name {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--maroon);
  margin: 0;
  letter-spacing: .01em;
  line-height: 1.2;
}
.cd-creator-bio {
  font-size: .98rem;
  line-height: 1.75;
  color: var(--text);
  margin: 6px 0 8px;
}
.cd-creator-bio strong { color: var(--maroon); }

.cd-creator-facts {
  list-style: none;
  margin: 12px 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 22px;
}
.cd-creator-facts li {
  font-size: .88rem;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px dashed #e0d8c5;
}
.cd-creator-facts strong {
  color: var(--maroon);
  font-weight: 700;
  margin-right: 6px;
}

.cd-creator-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 10px;
}
.cd-creator-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--maroon);
  font-weight: 700;
  font-size: .85rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: all .2s;
}
.cd-creator-link:hover {
  border-bottom-color: var(--maroon);
  gap: 12px;
}


/* ─── Team card (зураггүй, archaeological finds) ─── */
.cd-team-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 40px 0 20px;
}
.cd-team-divider::before,
.cd-team-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d8cdb0, transparent);
}
.cd-team-divider span {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  background: #fff;
  padding: 0 10px;
}
.cd-team-divider i { color: var(--gold-deep); font-size: .85rem; }

.cd-team-card {
  background: linear-gradient(180deg, #fffdf6 0%, #faf3df 100%);
  border: 1px solid #e0d8c5;
  border-left: 4px solid var(--gold-deep);
  border-radius: var(--radius);
  padding: 32px 36px;
}

.cd-team-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid #e8e0cc;
  margin-bottom: 22px;
}
.cd-team-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cd-team-icon i { color: #fff; font-size: 1.5rem; }

.cd-team-head-text { flex: 1; }
.cd-team-role {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 4px;
}
.cd-team-name {
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--maroon);
  margin: 0 0 8px;
  letter-spacing: .01em;
  line-height: 1.25;
}
.cd-team-sub {
  font-size: .92rem;
  color: var(--text);
  line-height: 1.65;
  margin: 0;
}

.cd-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px 28px;
  margin-bottom: 24px;
}
.cd-team-fact {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.cd-team-fact > i {
  color: var(--gold-deep);
  font-size: 1rem;
  margin-top: 4px;
  flex-shrink: 0;
}
.cd-team-fact div { display: flex; flex-direction: column; gap: 2px; }
.cd-team-fact span {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
}
.cd-team-fact strong {
  font-size: .92rem;
  color: var(--maroon);
  font-weight: 700;
}

.cd-team-members {
  padding: 18px 22px;
  background: rgba(255, 255, 255, .6);
  border: 1px dashed #d8cdb0;
  border-radius: var(--radius);
  margin-bottom: 22px;
}
.cd-team-members-label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 10px;
}
.cd-team-members ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: .88rem;
  color: var(--text);
}
.cd-team-members ul li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.cd-team-members ul li::before {
  content: '•';
  color: var(--gold);
  font-weight: 700;
}
.cd-team-members em {
  font-style: italic;
  color: var(--muted);
  font-size: .82rem;
}


/* ═══════════════════════════════════════════════════════════
   RELATED ARTWORKS
   ═══════════════════════════════════════════════════════════ */
.cd-related {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, #f7f5f0 0%, #f0e9d8 100%);
}

.cd-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.cd-rel-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8e0cc;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  padding: 14px;
  gap: 10px;
  transition: all .25s;
}
.cd-rel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(59, 0, 2, .12);
  border-color: var(--gold);
}
.cd-rel-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 4px;
  background: var(--gray);
}
.cd-rel-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s;
}
.cd-rel-card:hover .cd-rel-img img { transform: scale(1.08); }
.cd-rel-cat {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--bb-red);
  margin-top: 4px;
}
.cd-rel-card h4 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--maroon);
  margin: 0;
  letter-spacing: .02em;
  line-height: 1.3;
}
.cd-rel-meta {
  font-size: .76rem;
  color: var(--muted);
  margin-top: auto;
}


/* ═══════════════════════════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════════════════════════ */
.cd-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(59, 0, 2, .95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.cd-lightbox[hidden] { display: none; }


/* ═══════════════════════════════════════════════════════════
   EMPTY-STATE HARDENING — хоосон section/row автоматаар нуух
   ═══════════════════════════════════════════════════════════ */

/* Quick fact row нь утгагүй бол алга */
.cd-quick li:has(strong:empty) { display: none; }

/* Data list мөр (dt+dd) — dd хоосон бол алга */
.cd-data-list > div:has(dd:empty) { display: none; }

/* Tech block хоосон data-list-тэй бол бүхэлдээ алга */
.cd-tech-block:has(.cd-data-list:empty) { display: none; }
.cd-tech-block:has(ul:empty) { display: none; }

/* Author card шинж тэмдэггүй бол алга */
.cd-author-card:has(strong:empty) { display: none; }

/* Sidebar card шинжгүй бол алга */
.cd-side-card:has(p:empty):not(:has(.btn)):not(:has(ul li)) { display: none; }

/* Feature list хоосон бол алга */
.cd-feature-list:has(li:only-child:empty),
.cd-feature-list:empty { display: none; }

/* Article body хоосон гарчигтай бол card алга */
.cd-article:has(h4:empty) { display: none; }

/* Хоосон media grid контейнерийг нуух */
.cd-articles:empty,
.cd-videos:empty,
.cd-audio-list:empty,
.cd-3d-card:has(h4:empty) { display: none; }

/* Related artworks grid хоосон бол бүхэл section алга */
.cd-related:has(.cd-related-grid:empty) { display: none; }

/* Related card гарчиггүй бол алга */
.cd-rel-card:has(h4:empty) { display: none; }

/* Universal: cd-section дотор visible content алга бол хаагдана */
.cd-section:not(:has(.cd-section-head + *:not([hidden]))) {
  /* fallback — leave to JS for browsers without :has */
}

/* JS-аар .cd-empty болгож тэмдэглэсэн элементийг нуух */
[data-cd-empty="true"] { display: none !important; }
.cd-lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .7);
  border-radius: var(--radius);
}
.cd-lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  color: var(--maroon);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.cd-lightbox-close i { color: var(--maroon); }
.cd-lightbox-close:hover {
  background: var(--maroon);
  color: #fff;
  transform: rotate(90deg);
}
.cd-lightbox-close:hover i { color: #fff; }


/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .cd-prose-grid { grid-template-columns: 1fr; gap: 40px; }
  .cd-sidebar { position: static; }
  .cd-tech-grid { grid-template-columns: 1fr; }
  .cd-articles { grid-template-columns: 1fr; }
  .cd-videos { grid-template-columns: repeat(2, 1fr); }
  .cd-related-grid { grid-template-columns: repeat(2, 1fr); }
  .cd-3d-card { grid-template-columns: 1fr; }
  .cd-meta-grid { grid-template-columns: repeat(2, 1fr); }
  .cd-creator-card { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .cd-creator-avatar { width: 180px; height: 180px; }
}

@media (max-width: 768px) {
  .cd-section { padding: 56px 0; }
  .cd-actions { flex-wrap: wrap; }
  .cd-videos { grid-template-columns: 1fr; }
  .cd-data-list > div { flex-direction: column; align-items: flex-start; gap: 2px; }
  .cd-data-list dd { text-align: left; }
  .cd-exhibition-history li { grid-template-columns: 1fr; gap: 4px; }
  .cd-anchor-nav { top: 0; }
  .cd-anchor { padding: 14px 16px; font-size: .72rem; }

  .cd-banner { height: clamp(380px, 60vh, 540px); }
  .cd-banner-content { bottom: 70px; }
  .cd-thumbs-section { padding: 24px 0 20px; }
  .cd-thumbs-row .cd-thumb { width: 80px; height: 80px; }

  .cd-meta-bar { padding: 22px 18px; }
  .cd-meta-grid { grid-template-columns: 1fr 1fr; gap: 16px 22px; }
  .cd-action-row { flex-direction: column; align-items: stretch; gap: 18px; }
  .cd-share { margin-left: 0; flex-wrap: wrap; }
  .cd-actions { justify-content: center; }
  .cd-share { justify-content: center; }

  .cd-creator-facts { grid-template-columns: 1fr; }
  .cd-creator-avatar { width: 140px; height: 140px; }

  .cd-team-card { padding: 22px 20px; }
  .cd-team-head { flex-direction: column; gap: 14px; }
  .cd-team-grid { grid-template-columns: 1fr; gap: 14px; }
  .cd-team-members ul { flex-direction: column; gap: 6px; }
}

@media (max-width: 480px) {
  .cd-related-grid { grid-template-columns: 1fr; }
  .cd-thumbs-row .cd-thumb { width: 64px; height: 64px; }
  .cd-media-tabs { gap: 6px; }
  .cd-media-tab { padding: 8px 12px; font-size: .76rem; }
  .cd-meta-grid { grid-template-columns: 1fr; }
}

/* Lightbox slider nav (prev/next) */
.cd-lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 56px; height: 56px; border-radius: 50%; border: none;
  background: rgba(0,0,0,.35); color: #fff;
  font-size: 1.2rem; cursor: pointer; z-index: 2001;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
}
.cd-lightbox-nav i { color: #fff; }
.cd-lightbox-nav:hover { background: rgba(0,0,0,.55); transform: translateY(-50%) scale(1.06); }
.cd-lightbox-prev { left: 24px; }
.cd-lightbox-next { right: 24px; }
@media (max-width: 600px) {
  .cd-lightbox-nav { width: 46px; height: 46px; }
  .cd-lightbox-prev { left: 10px; }
  .cd-lightbox-next { right: 10px; }
}