/* ============================================================
   halls.css — Танхимын дэлгэрэнгүй хуудаснууд (8 ширхэг)
   hall- prefix. index.css → visit.css → энэ.
   ============================================================ */

.hall-body { background: #FAF8F3; color: var(--text, #2a2a2a); }

/* ─── Shared section head ─── */
.hall-sec-head {
  max-width: 820px;
  margin: 0 auto 32px;
  text-align: center;
}
.hall-sec-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--bb-red, #E91518);
  margin-bottom: 10px;
}
.hall-sec-tag-light {
  color: var(--gold-light, #E5C97B);
}
.hall-sec-head h2 {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--navy, #031F3E);
  margin: 0 0 10px;
  letter-spacing: -.005em;
  line-height: 1.25;
}
.hall-sec-head p {
  font-size: .96rem;
  color: var(--text);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}


/* ════════════════════════════════════════════════════
   § 1 — HERO
   ════════════════════════════════════════════════════ */
.hall-hero {
  position: relative;
  padding: 60px 0 50px;
  color: #fff;
  overflow: hidden;
  min-height: 50vh;
  display: flex;
  align-items: center;
}
.hall-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(.5) saturate(1.15);
}
.hall-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3,31,62,.55) 0%, rgba(3,31,62,.92) 100%),
    radial-gradient(ellipse at 80% 30%, rgba(201,162,74,.20), transparent 60%);
}
.hall-hero-inner { position: relative; z-index: 1; }

.hall-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .76rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.hall-crumb a { color: rgba(255,255,255,.7); text-decoration: none; }
.hall-crumb a:hover { color: var(--gold-light, #E5C97B); }
.hall-crumb i { font-size: .54rem; opacity: .5; }
.hall-crumb span { color: var(--gold-light, #E5C97B); font-weight: 600; }

.hall-hero-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
}
.hall-hero-rom {
  font-family: 'Montserrat', serif;
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 800;
  color: var(--gold, #C9A24A);
  line-height: 1;
  letter-spacing: -.02em;
  text-shadow: 0 4px 24px rgba(0,0,0,.5);
}
.hall-hero-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-light, #E5C97B);
  border: 1px solid rgba(201,162,74,.4);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.hall-hero h1 {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: clamp(1.65rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
  line-height: 1.15;
  letter-spacing: -.01em;
  text-shadow: 0 2px 18px rgba(0,0,0,.4);
}
.hall-hero-tagline {
  font-size: clamp(.95rem, 1.2vw, 1.05rem);
  color: rgba(255,255,255,.88);
  line-height: 1.55;
  margin: 0;
  max-width: 720px;
}
.hall-hero-tagline strong { color: var(--gold-light); }


/* ════════════════════════════════════════════════════
   § 2 — QUICK FACTS BAND (sticky on mobile after scroll)
   ════════════════════════════════════════════════════ */
.hall-facts {
  background: var(--navy);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.hall-facts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  padding: 0;
  background: rgba(255,255,255,.08);
}
.hall-fact {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px 20px;
  background: var(--navy);
}
.hall-fact i {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(201,162,74,.18);
  color: var(--gold-light, #E5C97B);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
}
.hall-fact strong {
  display: block;
  font-family: 'Montserrat', monospace;
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}
.hall-fact small {
  display: block;
  font-size: .72rem;
  color: rgba(255,255,255,.6);
  margin-top: 2px;
}


/* ════════════════════════════════════════════════════
   § 3 — EMPIRE TABS
   ════════════════════════════════════════════════════ */
.hall-empires {
  padding: 56px 0;
  background: #fff;
}

.hall-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  max-width: 1100px;
  margin: 30px auto 26px;
}
.hall-tab {
  background: #FAF8F3;
  border: 2px solid #EFE9DA;
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  font-family: inherit;
  display: grid;
  gap: 2px;
  text-align: left;
  transition: all .2s;
}
.hall-tab-name {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
}
.hall-tab-period {
  font-size: .68rem;
  color: var(--muted);
  font-family: 'Montserrat', monospace;
}
.hall-tab:hover {
  border-color: var(--bb-red);
  background: #fff;
}
.hall-tab.is-on {
  border-color: var(--bb-red);
  background: var(--bb-red);
  box-shadow: 0 10px 22px rgba(233,21,24,.22);
}
.hall-tab.is-on .hall-tab-name { color: #fff; }
.hall-tab.is-on .hall-tab-period { color: rgba(255,255,255,.85); }

.hall-empire-panels {
  max-width: 1100px;
  margin: 0 auto;
}
.hall-empire {
  background: #FAF8F3;
  border: 1px solid #EFE9DA;
  border-radius: 12px;
  padding: 28px 32px;
  display: none;
}
.hall-empire.is-on {
  display: block;
  animation: hallFade .25s ease-out;
}
@keyframes hallFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.hall-empire-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--gold-light, #E5C97B);
}
.hall-empire-head h3 {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}
.hall-empire-years {
  font-family: 'Montserrat', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--bb-red);
  white-space: nowrap;
}
.hall-empire-years small { color: var(--muted); font-weight: 500; }

.hall-empire-msg {
  background: #fff;
  border-left: 4px solid var(--bb-red);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 0 0 20px;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.65;
  position: relative;
}
.hall-empire-msg i {
  color: var(--bb-red);
  font-size: .9rem;
  margin-right: 8px;
  opacity: .7;
}
.hall-empire-msg strong { color: var(--navy); font-weight: 700; }

.hall-empire-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #EFE9DA;
}
.hall-empire-facts > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 18px;
  border-bottom: 1px solid #EFE9DA;
}
.hall-empire-facts > div:last-child { border-bottom: none; }
.hall-empire-facts dt {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.hall-empire-facts dd {
  font-size: .95rem;
  color: var(--navy);
  font-weight: 600;
  margin: 0;
}


/* ════════════════════════════════════════════════════
   § 4 — CURATOR MESSAGE
   ════════════════════════════════════════════════════ */
.hall-curator {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--navy), #022954);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hall-curator::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,162,74,.20), transparent 70%);
  pointer-events: none;
}
.hall-curator > .container { position: relative; z-index: 1; }
.hall-curator .hall-sec-tag {
  color: var(--gold-light);
  margin-bottom: 12px;
}
.hall-curator-headline {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--gold-light, #E5C97B);
  margin: 0 0 28px;
  letter-spacing: -.005em;
}
.hall-curator-body {
  max-width: 760px;
  margin: 0 auto;
  font-style: italic;
  position: relative;
}
.hall-curator-body > i {
  font-size: 2.2rem;
  color: var(--gold);
  opacity: .35;
  margin-bottom: 10px;
}
.hall-curator-body p {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.75;
  color: rgba(255,255,255,.92);
  margin: 0 0 18px;
  font-family: 'Noto Sans Mongolian', 'Montserrat', sans-serif;
}
.hall-curator-body p strong {
  color: var(--gold-light);
  font-weight: 700;
  font-style: normal;
}
.hall-curator-body p em {
  color: #fff;
  font-style: italic;
  border-bottom: 1px dashed var(--gold);
  padding-bottom: 1px;
}
.hall-curator-body cite {
  display: block;
  font-style: normal;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold-light);
  margin-top: 18px;
}


/* ════════════════════════════════════════════════════
   § 5 — TIMELINE
   ════════════════════════════════════════════════════ */
.hall-timeline-sec {
  padding: 56px 0;
  background: #FAF8F3;
}
.hall-timeline {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 760px;
  position: relative;
}
.hall-timeline::before {
  content: '';
  position: absolute;
  left: 70px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold-light, #E5C97B), transparent);
}
.hall-timeline li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 14px 0;
  position: relative;
  align-items: flex-start;
}
.hall-tl-year {
  font-family: 'Montserrat', monospace;
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  text-align: right;
  padding-right: 10px;
}
.hall-timeline li::after {
  content: '';
  position: absolute;
  left: 65px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bb-red);
  border: 3px solid #FAF8F3;
  box-shadow: 0 0 0 2px var(--bb-red);
}
.hall-timeline li.ev-founding::after { background: var(--gold); box-shadow: 0 0 0 2px var(--gold); }
.hall-timeline li.ev-culture::after { background: #4A8BBC; box-shadow: 0 0 0 2px #4A8BBC; }
.hall-timeline li.ev-decline::after,
.hall-timeline li.ev-end::after { background: var(--muted); box-shadow: 0 0 0 2px var(--muted); }
.hall-timeline li > div {
  padding-left: 14px;
  background: #fff;
  border-radius: 6px;
  padding: 12px 16px;
  border: 1px solid #EFE9DA;
}
.hall-timeline li strong {
  display: block;
  font-size: .94rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}
.hall-timeline li small {
  display: block;
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.5;
}


/* ════════════════════════════════════════════════════
   § 6 — KEY PEOPLE
   ════════════════════════════════════════════════════ */
.hall-people {
  padding: 56px 0;
  background: #fff;
}
.hall-people-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
}
.hall-person {
  background: #FAF8F3;
  border: 1px solid #EFE9DA;
  border-radius: 10px;
  padding: 20px 22px;
  text-align: center;
}
.hall-person-portrait {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), #022954);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 12px;
}
.hall-person h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 4px;
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
}
.hall-person-years {
  display: block;
  font-size: .76rem;
  color: var(--bb-red);
  font-weight: 700;
  font-family: 'Montserrat', monospace;
  margin-bottom: 8px;
  letter-spacing: .04em;
}
.hall-person p {
  font-size: .84rem;
  color: var(--text);
  margin: 0;
  line-height: 1.55;
}


/* ════════════════════════════════════════════════════
   § 7 — HIGHLIGHT EXHIBITS
   ════════════════════════════════════════════════════ */
.hall-exhibits {
  padding: 56px 0;
  background: #FAF8F3;
}
.hall-exhibits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}
.hall-exhibit {
  background: #fff;
  border: 1px solid #EFE9DA;
  border-radius: 10px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  transition: all .25s;
}
.hall-exhibit:hover {
  border-color: var(--bb-red);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(3,31,62,.10);
}
.hall-exhibit-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--navy);
  position: relative;
}
.hall-exhibit-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.3) 100%);
}
.hall-exhibit-body {
  padding: 20px 22px 22px;
  position: relative;
}
.hall-exhibit-num {
  display: inline-block;
  font-family: 'Montserrat', monospace;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gold-deep, #8C6A1F);
  background: rgba(201,162,74,.15);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.hall-exhibit h4 {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 10px;
  line-height: 1.3;
}
.hall-exhibit p {
  font-size: .9rem;
  color: var(--text);
  line-height: 1.55;
  margin: 0 0 14px;
}
.hall-exhibit-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--bb-red);
  text-decoration: none;
  transition: gap .2s;
}
.hall-exhibit:hover .hall-exhibit-link { gap: 12px; }
.hall-exhibit-featured { border-color: var(--gold, #C9A24A); }
.hall-exhibit-featured .hall-exhibit-num {
  background: var(--gold);
  color: #fff;
}


/* ════════════════════════════════════════════════════
   § 8 — LEGACY
   ════════════════════════════════════════════════════ */
.hall-legacy {
  padding: 70px 0;
  background:
    linear-gradient(135deg, rgba(59,0,2,.95) 0%, rgba(3,31,62,.92) 100%),
    url('../../BG/Nartiin had.jpg') center/cover;
  color: #fff;
  text-align: center;
}
.hall-legacy-body {
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.65;
  color: #fff;
  max-width: 800px;
  margin: 16px auto 0;
}
.hall-legacy-body strong {
  color: var(--gold-light, #E5C97B);
  font-weight: 700;
}


/* ════════════════════════════════════════════════════
   § 9 — PRACTICAL
   ════════════════════════════════════════════════════ */
.hall-practical {
  padding: 56px 0;
  background: #fff;
}
.hall-practical-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto 32px;
}
.hall-practical-item {
  background: #FAF8F3;
  border: 1px solid #EFE9DA;
  border-radius: 8px;
  padding: 18px 20px;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 2px;
}
.hall-practical-item i {
  font-size: 1.4rem;
  color: var(--bb-red);
  margin-bottom: 6px;
}
.hall-practical-item strong {
  font-size: .96rem;
  font-weight: 700;
  color: var(--navy);
}
.hall-practical-item span {
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.4;
}

.hall-restrictions {
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(233,21,24,.05);
  border: 1px solid rgba(233,21,24,.2);
  border-radius: 8px;
  padding: 18px 22px;
}
.hall-restrictions h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--bb-red);
  margin: 0 0 10px;
  text-transform: uppercase;
}
.hall-restrictions ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.hall-restrictions li {
  font-size: .88rem;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}
.hall-restrictions li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--bb-red);
  font-weight: 700;
}
.hall-restrictions a { color: var(--bb-red); font-weight: 700; }


/* ════════════════════════════════════════════════════
   § 10 — GALLERY
   ════════════════════════════════════════════════════ */
.hall-gallery-sec {
  padding: 56px 0;
  background: #FAF8F3;
}
.hall-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  max-width: 1100px;
  margin: 0 auto;
}
.hall-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4/3;
  background: var(--navy);
}
.hall-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.hall-gallery figure:hover img { transform: scale(1.05); }


/* ════════════════════════════════════════════════════
   § 11 — RELATED
   ════════════════════════════════════════════════════ */
.hall-related {
  padding: 56px 0;
  background: #fff;
}
.hall-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
}
.hall-related-card {
  background: #FAF8F3;
  border: 1px solid #EFE9DA;
  border-left: 4px solid var(--navy);
  border-radius: 8px;
  padding: 22px 26px;
  text-decoration: none;
  color: inherit;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  align-items: center;
  transition: all .2s;
}
.hall-related-card:hover {
  border-left-color: var(--bb-red);
  background: #fff;
  transform: translateX(3px);
  box-shadow: 0 10px 24px rgba(3,31,62,.08);
}
.hall-related-rom {
  font-family: 'Montserrat', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold-deep, #8C6A1F);
  text-align: center;
}
.hall-related-rom i { font-size: 1.4rem; color: var(--bb-red); }
.hall-related-card strong {
  display: block;
  font-family: 'Montserrat', 'Noto Sans Mongolian', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.hall-related-card small {
  display: block;
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.5;
}
.hall-related-featured {
  border-left-color: var(--gold);
  background: linear-gradient(135deg, #fdfbf3, #fff);
}
.hall-related-featured:hover { border-left-color: var(--gold-deep); }


/* ════════════════════════════════════════════════════
   § 12 — PREV / NEXT NAV
   ════════════════════════════════════════════════════ */
.hall-nav {
  background: var(--navy);
  color: #fff;
  padding: 30px 0;
}
.hall-nav-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: center;
}
.hall-nav-prev,
.hall-nav-next {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 8px;
  transition: all .2s;
}
.hall-nav-next { flex-direction: row-reverse; text-align: right; }
.hall-nav-prev:hover,
.hall-nav-next:hover { background: rgba(255,255,255,.16); }
.hall-nav-prev i,
.hall-nav-next i {
  color: var(--gold-light, #E5C97B);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.hall-nav-prev small,
.hall-nav-next small {
  display: block;
  font-size: .68rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 2px;
}
.hall-nav-prev strong,
.hall-nav-next strong {
  display: block;
  font-size: .94rem;
  font-weight: 700;
  color: var(--gold-light, #E5C97B);
}

.hall-nav-all {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bb-red);
  color: #fff;
  padding: 12px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: all .2s;
}
.hall-nav-all:hover { background: #c81418; transform: translateY(-1px); }


/* ════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════ */
@media (min-width: 600px) {
  .hall-facts-inner { grid-template-columns: repeat(4, 1fr); }
  .hall-tabs { grid-template-columns: repeat(3, 1fr); }
  .hall-empire-facts { grid-template-columns: 1fr 1fr; }
  .hall-empire-facts > div { border-bottom: none; border-right: 1px solid #EFE9DA; }
  .hall-empire-facts > div:nth-child(odd) { border-right: 1px solid #EFE9DA; }
  .hall-empire-facts > div:nth-child(even) { border-right: none; }
  .hall-empire-facts > div { border-bottom: 1px solid #EFE9DA; }
  .hall-empire-facts > div:nth-last-child(-n+2) { border-bottom: none; }
  .hall-people-grid { grid-template-columns: repeat(2, 1fr); }
  .hall-gallery { grid-template-columns: repeat(3, 1fr); }
  .hall-practical-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 900px) {
  .hall-tabs { grid-template-columns: repeat(6, 1fr); }
  .hall-exhibits-grid { grid-template-columns: 1fr 1fr; }
  .hall-people-grid { grid-template-columns: repeat(5, 1fr); }
  .hall-gallery { grid-template-columns: repeat(4, 1fr); }
  .hall-related-grid { grid-template-columns: 1fr 1fr 1fr; }
  .hall-related-card { grid-template-columns: 1fr; text-align: center; padding: 22px 20px; }
  .hall-related-rom { font-size: 2.2rem; text-align: center; }
  .hall-nav-inner { grid-template-columns: 1fr auto 1fr; }
  .hall-nav-all { justify-self: center; }
  .hall-hero { min-height: 56vh; padding: 80px 0 70px; }
  .hall-empire { padding: 36px 40px; }
}


/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .hall-empire,
  .hall-gallery img { animation: none !important; transition: none !important; }
}