/* ==========================================================================
   PRINS & PRINS — DIAMOND MUSEUM (v1, world-class redesign)
   Cinematic museum experience.  Hero film, era chapter spine, mineralogy
   cabinet, Krugerrand dress hero artefact, comparator, visit CTA.
   Class prefix: .mus-*
   Scoped to body.page-museum to prevent any leakage to other pages.
   ========================================================================== */

:root {
  --mus-bg:           #FFFFFF;
  --mus-ink:          #14181A;
  --mus-ink-soft:     #3F4844;
  --mus-ink-dim:      #8B948F;
  --mus-rule:         rgba(20, 24, 26, 0.08);
  --mus-black:        #0B0E10;
  --mus-vitrine:      #14181A;
  --mus-emerald:      #1F3D2E;
  --mus-emerald-deep: #16301F;
  --mus-sage-mist:    #E4ECDF;
  --mus-brass:        #C9A55C;
  --mus-brass-warm:   #E8C16A;
  --mus-brass-deep:   #8C6B29;
  --mus-brass-cream:  #FFF1C4;
  --mus-brass-glow:   rgba(232, 193, 106, 0.55);
  --mus-serif:        'Cormorant Garamond', 'Georgia', serif;
  --mus-sans:         'Inter', system-ui, -apple-system, sans-serif;
  --mus-mono:         'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
}

body.page-museum {
  background: var(--mus-bg) !important;
  color: var(--mus-ink);
  font-family: var(--mus-sans);
  -webkit-font-smoothing: antialiased;
}
body.page-museum main { display: block; }
body.page-museum .footer-seam { display: none !important; }
body.page-museum .footer-seam + .footer::before { display: none !important; }

/* ==========================================================================
   NAV CONTRAST FIX — same treatment as the product page so the white-ground
   museum sections never wash the nav text.
   ========================================================================== */
body.page-museum .nav,
body.page-museum .nav.scrolled {
  background: rgba(255, 255, 255, 0.94) !important;
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid rgba(20, 24, 26, 0.06);
}
body.page-museum .nav .nav-brand-name,
body.page-museum .nav.scrolled .nav-brand-name { color: var(--mus-ink) !important; }
body.page-museum .nav .nav-brand-sub,
body.page-museum .nav.scrolled .nav-brand-sub  { color: var(--mus-brass-deep) !important; opacity: 1 !important; letter-spacing: 0.18em; }
body.page-museum .nav .nav-links a,
body.page-museum .nav.scrolled .nav-links a    { color: var(--mus-ink) !important; font-weight: 600 !important; opacity: 1 !important; }
body.page-museum .nav .nav-links a:hover,
body.page-museum .nav.scrolled .nav-links a:hover { color: var(--mus-brass-deep) !important; }
body.page-museum .nav .nav-links a::after,
body.page-museum .nav.scrolled .nav-links a::after { background: var(--mus-brass) !important; }

/* ==========================================================================
   GLASSY BUTTONS — exact clone of homepage btn-v2 system, scoped to .page-museum
   ========================================================================== */
body.page-museum .btn-v2 {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 16px 30px;
  text-decoration: none;
  line-height: 1;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: background 0.35s, border-color 0.35s, color 0.35s, box-shadow 0.45s, transform 0.35s;
  animation: musBtnFloat 5.5s ease-in-out infinite;
}
body.page-museum .btn-v2:nth-of-type(2) { animation-delay: 0.6s; }
body.page-museum .btn-v2::before {
  content: "";
  position: absolute;
  top: -20%; left: -60%;
  width: 50%; height: 140%;
  pointer-events: none;
  transform: skewX(-22deg);
  z-index: 0;
  animation: musBtnShine 5.4s cubic-bezier(0.45, 0.05, 0.25, 1) infinite;
}
body.page-museum .btn-v2::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;
}
body.page-museum .btn-v2 > * { position: relative; z-index: 1; }

body.page-museum .btn-v2-primary {
  background: #FFFFFF;
  color: var(--mus-emerald-deep);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(31, 61, 46, 0.06),
    0 18px 36px -16px rgba(0, 0, 0, 0.55);
}
body.page-museum .btn-v2-primary::before {
  background: linear-gradient(100deg,
    rgba(31, 61, 46, 0) 0%,
    rgba(31, 61, 46, 0.06) 30%,
    rgba(31, 61, 46, 0.36) 50%,
    rgba(31, 61, 46, 0.06) 70%,
    rgba(31, 61, 46, 0) 100%);
  filter: blur(2px);
}
body.page-museum .btn-v2-primary::after {
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0) 40%,
    rgba(228, 236, 223, 0.18) 100%);
  mix-blend-mode: screen;
}
body.page-museum .btn-v2-primary:hover {
  background: var(--mus-sage-mist);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 0 0 1px rgba(188, 201, 183, 0.9),
    0 28px 48px -16px rgba(0, 0, 0, 0.6),
    0 0 32px rgba(228, 236, 223, 0.55);
}

body.page-museum .btn-v2-ghost {
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0.03) 100%);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 14px 32px -16px rgba(0, 0, 0, 0.55);
}
body.page-museum .btn-v2-ghost::before {
  background: linear-gradient(100deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.12) 30%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(255, 255, 255, 0.12) 70%,
    rgba(255, 255, 255, 0) 100%);
  filter: blur(1.5px);
  animation-delay: 0.9s;
}
body.page-museum .btn-v2-ghost::after {
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0) 50%,
    rgba(0, 0, 0, 0.06) 100%);
}
body.page-museum .btn-v2-ghost:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.08) 100%);
  border-color: rgba(255, 255, 255, 0.85);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.18),
    0 24px 44px -16px rgba(0, 0, 0, 0.6),
    0 0 28px rgba(228, 236, 223, 0.32);
}

@keyframes musBtnShine {
  0%   { left: -60%; }
  55%  { left: 130%; }
  100% { left: 130%; }
}
@keyframes musBtnFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@media (prefers-reduced-motion: reduce) {
  body.page-museum .btn-v2 { animation: none !important; }
  body.page-museum .btn-v2::before { animation: none !important; display: none; }
}

/* ==========================================================================
   SHARED EYEBROW / RULE / SECTION HEAD
   ========================================================================== */
.mus-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-deep);
  font-weight: 600;
  margin-bottom: 14px;
}
.mus-eyebrow-light { color: var(--mus-brass-warm); }
.mus-rule {
  display: block;
  height: 1px;
  width: 60px;
  margin: 0 0 22px;
  background: linear-gradient(90deg, var(--mus-brass) 0%, rgba(201, 165, 92, 0) 100%);
}
.mus-rule-center { margin: 0 auto 22px; background: linear-gradient(90deg, transparent 0%, var(--mus-brass) 50%, transparent 100%); }
.mus-rule-light { background: linear-gradient(90deg, var(--mus-brass-warm) 0%, rgba(232, 193, 106, 0) 100%); }

.mus-section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(26px, 3.2vw, 42px);
  padding: 0 20px;
}
.mus-section-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1.08;
  color: var(--mus-ink);
  margin: 0 0 14px;
  letter-spacing: -0.008em;
}
.mus-section-h em {
  font-style: italic;
  color: var(--mus-emerald);
  font-weight: 500;
}
.mus-section-sub {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--mus-ink-soft);
  margin: 0;
  line-height: 1.55;
}

/* ==========================================================================
   1 · CINEMATIC HERO — full-bleed museum film + glass panel
   ========================================================================== */
.mus-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  background: var(--mus-black);
  isolation: isolate;
  padding-top: 76px;
}
@media (max-width: 768px) { .mus-hero { padding-top: 64px; min-height: 92vh; } }

.mus-hero-video,
.mus-hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  filter: brightness(0.96) saturate(1.05) contrast(1.04);
}
.mus-hero-scrim {
  position: absolute; inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(62% 58% at 50% 50%, rgba(0,0,0,0.58) 0%, rgba(0,0,0,0) 78%),
    linear-gradient(180deg, rgba(20, 24, 26, 0.50) 0%, rgba(20, 24, 26, 0) 32%, rgba(20, 24, 26, 0) 62%, rgba(20, 24, 26, 0.60) 100%);
}

.mus-hero-content {
  position: absolute;
  inset: 76px 0 0 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  color: #FFFFFF;
  padding: 0 clamp(24px, 4vw, 56px) clamp(56px, 11vh, 130px);
}
@media (max-width: 768px) { .mus-hero-content { inset: 64px 0 0 0; } }

/* Headline + CTAs ride low in the hero, over the cabinet row */
.mus-hero-lower {
  margin-top: auto;
  max-width: 840px;
}

/* Animated 3-D golden coat of arms, floating high above the wall text */
.mus-hero-crest {
  display: block;
  width: clamp(190px, 23vw, 320px);
  aspect-ratio: 1 / 1;
  margin: -6px auto 0;
  background:
    linear-gradient(135deg,
      #FFF7DD 0%,
      #FFE49C 18%,
      #E8C16A 38%,
      #C9A55C 52%,
      #F0CE7E 72%,
      #FFF7DD 100%);
  background-size: 220% 220%;
  -webkit-mask: url('../assets/images/logo_transparent.webp') center / contain no-repeat;
          mask: url('../assets/images/logo_transparent.webp') center / contain no-repeat;
  filter:
    drop-shadow(0 14px 34px rgba(0, 0, 0, 0.65))
    drop-shadow(0 0 40px rgba(232, 193, 106, 0.6))
    drop-shadow(0 0 14px rgba(255, 241, 196, 0.5));
  transform-style: preserve-3d;
  will-change: transform, background-position;
  animation:
    musCrestShimmer 7s ease-in-out infinite,
    musCrestFloat 8s ease-in-out infinite;
}
@keyframes musCrestShimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
@keyframes musCrestFloat {
  0%, 100% { transform: perspective(1000px) rotateY(-8deg) rotateX(2deg) translateY(0); }
  50%      { transform: perspective(1000px) rotateY(8deg) rotateX(-2deg) translateY(-12px); }
}
@media (prefers-reduced-motion: reduce) {
  .mus-hero-crest { animation: none; transform: none; }
}

.mus-hero-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(232, 193, 106, 0.40);
}
.mus-hero-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: #FFFFFF;
  margin: 0 0 22px;
  text-shadow: 0 4px 36px rgba(0, 0, 0, 0.55);
  animation: musHeroFloat 6.5s ease-in-out infinite;
}
.mus-hero-h em {
  font-style: italic;
  color: var(--mus-brass-warm);
  font-weight: 500;
  text-shadow: 0 0 18px rgba(232, 193, 106, 0.45);
}
@keyframes musHeroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@media (prefers-reduced-motion: reduce) { .mus-hero-h { animation: none !important; } }
.mus-hero-actions {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ==========================================================================
   2 · THIN GOLD LED STRIP — connector between hero and marquee
   ========================================================================== */
.mus-seam {
  display: block;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(201, 168, 97, 0) 0%,
    rgba(201, 168, 97, 0.55) 18%,
    #C9A861 50%,
    rgba(201, 168, 97, 0.55) 82%,
    rgba(201, 168, 97, 0) 100%);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 6px rgba(201, 168, 97, 0.45);
}

/* ==========================================================================
   3 · CREDENTIALS MARQUEE — museum-specific badges
   ========================================================================== */
.mus-cred {
  background: linear-gradient(180deg, var(--mus-brass) 0%, #A8853E 52%, var(--mus-brass-deep) 100%);
  color: #FFFFFF;
  padding: 8px 0;
  overflow: hidden;
  border-top: 1px solid rgba(120, 86, 20, 0.45);
  border-bottom: 1px solid rgba(120, 86, 20, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 -2px 7px rgba(120, 86, 20, 0.22);
}
.mus-cred-track {
  display: flex;
  width: max-content;
  animation: musCredScroll 38s linear infinite;
}
@media (prefers-reduced-motion: reduce) { .mus-cred-track { animation: none; } }
@keyframes musCredScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.mus-cred-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-right: 36px;
  white-space: nowrap;
  flex-shrink: 0;
}
.mus-cred-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mus-sans);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #FFFFFF;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(70, 48, 12, 0.5);
}
.mus-cred-badge {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 24px;
  padding: 0 10px;
  background: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.9);
  color: #1F3D2E;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(70, 48, 12, 0.22);
  text-shadow: none;
}
.mus-cred-sep {
  display: inline-block;
  width: 4px; height: 4px;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  margin: 0 6px;
  transform: rotate(45deg);
}

/* ==========================================================================
   4 · FEATURE — "A Private Collection" intro + walk-through film.
   Text left, video right.  Dark gallery ground to stay consistent with the
   rest of the page (sits directly under the hero marquee).
   ========================================================================== */
.mus-feature {
  padding: clamp(40px, 5vw, 66px) clamp(24px, 4vw, 80px);
  background: var(--mus-black);
}
.mus-feature-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(36px, 4.5vw, 72px);
  max-width: 1380px;
  margin: 0 auto;
  align-items: center;
}
@media (max-width: 980px) { .mus-feature-inner { grid-template-columns: 1fr; gap: 32px; } }
.mus-feature-copy { color: rgba(255, 255, 255, 0.9); }
.mus-feature-copy .mus-rule-light { margin-bottom: 26px; }
.mus-feature-lead {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 1.9vw, 1.8rem);
  line-height: 1.44;
  color: #FFFFFF;
  margin: 0 0 24px;
  letter-spacing: -0.004em;
}
.mus-feature-lead em { font-style: italic; color: var(--mus-brass-warm); font-weight: 500; }
.mus-feature-tag {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: clamp(1.02rem, 1.3vw, 1.2rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 30px;
}
.mus-feature-tag em { color: var(--mus-brass-warm); font-style: italic; }
.mus-feature-film {
  position: relative;
  margin: 0;
  line-height: 0;
  background: var(--mus-vitrine);
  border: 1px solid rgba(232, 193, 106, 0.35);
  box-shadow:
    0 1px 0 rgba(232, 193, 106, 0.30) inset,
    0 48px 110px -54px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(232, 193, 106, 0.10);
}
.mus-feature-video { display: block; width: 100%; height: auto; }

/* ==========================================================================
   5 · ERA CHAPTER SPINE — Georgian / Victorian / Edwardian / Art Deco
   ========================================================================== */
.mus-eras {
  background: var(--mus-black);
  padding: clamp(30px, 3.6vw, 52px) 0;
  position: relative;
  overflow: hidden;
}
.mus-eras .mus-section-head { color: #FFFFFF; }
.mus-eras .mus-section-h { color: #FFFFFF; }
.mus-eras .mus-section-h em { color: var(--mus-brass-warm); }
.mus-eras .mus-section-sub { color: rgba(255, 255, 255, 0.72); }
.mus-eras .mus-eyebrow { color: var(--mus-brass-warm); }

.mus-era {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 80px);
  max-width: 1480px;
  margin: 0 auto;
  padding: clamp(28px, 3vw, 46px) clamp(24px, 4vw, 80px);
  align-items: center;
}
.mus-era + .mus-era { border-top: 1px solid rgba(232, 193, 106, 0.12); }
.mus-era--reverse { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
.mus-era--reverse .mus-era-photo { order: 2; }
@media (max-width: 980px) {
  .mus-era, .mus-era--reverse { grid-template-columns: 1fr; }
  .mus-era--reverse .mus-era-photo { order: 0; }
}

/* PHOTO FRAME — same brass corner + rail treatment as team cards */
.mus-era-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--mus-vitrine);
  isolation: isolate;
  box-shadow:
    0 32px 70px -34px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(232, 193, 106, 0.15);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.22, 0.7, 0.18, 1), transform 0.9s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-era-photo.is-in { opacity: 1; transform: translateY(0); }
.mus-era-photo img {
  display: block;
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 0;
  filter: contrast(1.06) saturate(1.04) brightness(1.02);
  transition: transform 0.9s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-era-photo:hover img { transform: scale(1.04); }
.mus-era-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(70% 60% at 50% 50%, rgba(0, 0, 0, 0) 35%, rgba(0, 0, 0, 0.45) 100%);
}

/* Brass corner ticks + sweeping rails (same language as team cards) */
.mus-corner {
  position: absolute;
  width: 26px; height: 26px;
  z-index: 4;
  pointer-events: none;
  transition: width 0.5s cubic-bezier(0.22, 0.7, 0.18, 1), height 0.5s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-corner::before,
.mus-corner::after {
  content: '';
  position: absolute;
  background: var(--mus-brass-warm);
  box-shadow: 0 0 8px rgba(232, 193, 106, 0.55);
  animation: musCornerPulse 3.6s ease-in-out infinite;
}
.mus-corner::before { width: 100%; height: 1px; }
.mus-corner::after  { width: 1px;  height: 100%; }
.mus-corner--tl { top: -1px;    left: -1px; }
.mus-corner--tr { top: -1px;    right: -1px; }
.mus-corner--tr::before { right: 0; }
.mus-corner--tr::after  { right: 0; }
.mus-corner--bl { bottom: -1px; left: -1px; }
.mus-corner--bl::before { bottom: 0; }
.mus-corner--bl::after  { bottom: 0; }
.mus-corner--br { bottom: -1px; right: -1px; }
.mus-corner--br::before { bottom: 0; right: 0; }
.mus-corner--br::after  { bottom: 0; right: 0; }
.mus-era-photo:hover .mus-corner,
.mus-mineral:hover .mus-corner { width: 38px; height: 38px; }
.mus-era-photo:hover .mus-corner::before,
.mus-era-photo:hover .mus-corner::after,
.mus-mineral:hover .mus-corner::before,
.mus-mineral:hover .mus-corner::after {
  background: var(--mus-brass-cream);
  box-shadow: 0 0 14px rgba(255, 241, 196, 0.85);
}
@keyframes musCornerPulse {
  0%, 100% { opacity: 0.75; }
  50%      { opacity: 1; }
}

.mus-rail {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  filter: drop-shadow(0 0 6px var(--mus-brass-glow));
}
.mus-rail--t, .mus-rail--b {
  left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg,
    rgba(232, 193, 106, 0) 0%, rgba(232, 193, 106, 0.0) 35%,
    rgba(232, 193, 106, 0.95) 50%, rgba(232, 193, 106, 0.0) 65%,
    rgba(232, 193, 106, 0) 100%);
  background-size: 220% 100%;
}
.mus-rail--l, .mus-rail--r {
  top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg,
    rgba(232, 193, 106, 0) 0%, rgba(232, 193, 106, 0.0) 35%,
    rgba(232, 193, 106, 0.95) 50%, rgba(232, 193, 106, 0.0) 65%,
    rgba(232, 193, 106, 0) 100%);
  background-size: 100% 220%;
}
.mus-rail--t { top: 0;    animation: musRailH  5.6s linear infinite; }
.mus-rail--r { right: 0;  animation: musRailV  5.6s linear infinite 1.4s; }
.mus-rail--b { bottom: 0; animation: musRailHR 5.6s linear infinite 2.8s; }
.mus-rail--l { left: 0;   animation: musRailVR 5.6s linear infinite 4.2s; }
@keyframes musRailH  { from { background-position: -100% 0; } to { background-position: 200% 0; } }
@keyframes musRailHR { from { background-position: 200% 0; }  to { background-position: -100% 0; } }
@keyframes musRailV  { from { background-position: 0 -100%; } to { background-position: 0 200%; } }
@keyframes musRailVR { from { background-position: 0 200%; }  to { background-position: 0 -100%; } }
@media (prefers-reduced-motion: reduce) {
  .mus-rail { animation: none !important; opacity: 0.45; background-position: 50% 50% !important; }
  .mus-corner::before, .mus-corner::after { animation: none !important; }
}

/* ERA BODY (right column) */
.mus-era-body { color: rgba(255, 255, 255, 0.92); }
.mus-era-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  margin-bottom: 14px;
}
.mus-era-years {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(232, 193, 106, 0.78);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.mus-era-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  line-height: 1.06;
  color: #FFFFFF;
  margin: 0 0 18px;
  letter-spacing: -0.008em;
}
.mus-era-h em { font-style: italic; color: var(--mus-brass-warm); font-weight: 500; }
.mus-era-text {
  font-family: var(--mus-sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.84);
  margin: 0 0 26px;
}
.mus-era-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mus-era-list li {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 16px;
  align-items: baseline;
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
  padding: 10px 0;
  border-bottom: 1px solid rgba(232, 193, 106, 0.10);
}
.mus-era-list li::before {
  content: '';
  display: block;
  width: 4px; height: 4px;
  background: var(--mus-brass-warm);
  border-radius: 50%;
  transform: translateY(-2px) rotate(45deg);
  box-shadow: 0 0 6px var(--mus-brass-glow);
}

/* ==========================================================================
   6 · MINERALOGY CABINET — black grid of 8 specimens
   ========================================================================== */
.mus-minerals {
  background: linear-gradient(180deg, var(--mus-black) 0%, #14181A 100%);
  padding: clamp(44px, 5vw, 72px) clamp(24px, 4vw, 80px);
}
.mus-minerals .mus-section-h { color: #FFFFFF; }
.mus-minerals .mus-section-h em { color: var(--mus-brass-warm); }
.mus-minerals .mus-section-sub { color: rgba(255, 255, 255, 0.72); }
.mus-minerals .mus-eyebrow { color: var(--mus-brass-warm); }

.mus-mineral-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 2.5vw, 40px);
  max-width: 1480px;
  margin: 0 auto;
  padding: 0;
}
@media (max-width: 1080px) { .mus-mineral-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 540px)  { .mus-mineral-grid { grid-template-columns: 1fr; gap: 24px; } }

.mus-mineral {
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.22, 0.7, 0.18, 1), transform 0.8s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-mineral.is-in { opacity: 1; transform: translateY(0); }
.mus-mineral-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #0F1316;
  isolation: isolate;
  box-shadow:
    0 24px 50px -28px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(232, 193, 106, 0.15);
  transition: box-shadow 0.5s, transform 0.5s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-mineral:hover .mus-mineral-frame {
  transform: translateY(-4px);
  box-shadow:
    0 38px 70px -28px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(232, 193, 106, 0.45),
    0 0 28px rgba(232, 193, 106, 0.18);
}
.mus-mineral-frame img {
  display: block;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: contrast(1.08) saturate(1.08) brightness(1.02);
  transition: transform 0.9s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-mineral:hover .mus-mineral-frame img { transform: scale(1.08); }
.mus-mineral-body {
  padding: 18px 6px 0;
}
.mus-mineral-name {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: 1.25rem;
  color: #FFFFFF;
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}
.mus-mineral-formula {
  font-family: var(--mus-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mus-brass-warm);
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(232, 193, 106, 0.20);
}
.mus-mineral-prov {
  font-family: var(--mus-sans);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.62);
  font-weight: 300;
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   7 · COLOURED-STONE WING — horizontal scroll-snap
   ========================================================================== */
.mus-stones {
  background: #FFFFFF;
  padding: clamp(44px, 5vw, 72px) 0 clamp(36px, 4vw, 58px);
}
.mus-stones .mus-section-head { padding: 0 24px; }
.mus-stones-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(280px, 32vw, 480px);
  gap: clamp(20px, 2vw, 32px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px clamp(24px, 4vw, 80px) 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--mus-brass) transparent;
}
.mus-stones-rail::-webkit-scrollbar { height: 6px; }
.mus-stones-rail::-webkit-scrollbar-thumb { background: var(--mus-brass); border-radius: 3px; }
.mus-stones-card {
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
}
.mus-stones-frame {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--mus-vitrine);
  isolation: isolate;
  box-shadow:
    0 28px 60px -32px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(20, 24, 26, 0.08);
  transition: box-shadow 0.5s, transform 0.5s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-stones-card:hover .mus-stones-frame {
  transform: translateY(-4px);
  box-shadow:
    0 38px 80px -32px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(232, 193, 106, 0.45);
}
.mus-stones-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: contrast(1.06) saturate(1.06) brightness(1.02);
  transition: transform 0.9s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-stones-card:hover .mus-stones-frame img { transform: scale(1.05); }
.mus-stones-body { padding: 20px 4px 0; }
.mus-stones-name {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: 1.35rem;
  color: var(--mus-ink);
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.mus-stones-origin {
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mus-brass-deep);
  font-weight: 600;
  margin: 0;
}

/* ==========================================================================
   8 · KRUGERRAND DRESS — single hero artefact chapter
   ========================================================================== */
.mus-kruger {
  background: var(--mus-black);
  color: #FFFFFF;
  padding: clamp(44px, 5vw, 74px) clamp(24px, 4vw, 80px);
  position: relative;
  overflow: hidden;
}
.mus-kruger-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(40px, 5vw, 80px);
  max-width: 1480px;
  margin: 0 auto;
  align-items: center;
}
@media (max-width: 980px) {
  .mus-kruger-inner { grid-template-columns: 1fr; gap: 40px; }
}
.mus-kruger-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--mus-vitrine);
  isolation: isolate;
  box-shadow:
    0 40px 90px -36px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(232, 193, 106, 0.20);
}
.mus-kruger-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: contrast(1.06) saturate(1.06);
}
.mus-kruger-body { padding: 0; }
.mus-kruger-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  margin-bottom: 18px;
}
.mus-kruger-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.04;
  color: #FFFFFF;
  margin: 0 0 22px;
  letter-spacing: -0.012em;
}
.mus-kruger-h em { font-style: italic; color: var(--mus-brass-warm); font-weight: 500; }
.mus-kruger-lead {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 22px;
}
.mus-kruger-text {
  font-family: var(--mus-sans);
  font-size: 1rem;
  line-height: 1.75;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 28px;
}
.mus-kruger-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 3vw, 48px);
  padding: 24px 0;
  margin: 0 0 32px;
  border-top: 1px solid rgba(232, 193, 106, 0.20);
  border-bottom: 1px solid rgba(232, 193, 106, 0.20);
}
.mus-kruger-stat { display: inline-flex; flex-direction: column; gap: 6px; }
.mus-kruger-stat strong {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 500;
  color: var(--mus-brass-warm);
  line-height: 1;
}
.mus-kruger-stat span {
  font-family: var(--mus-sans);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
}
.mus-kruger-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ==========================================================================
   9 · CAROB ETYMOLOGY — quiet single-shot moment
   ========================================================================== */
.mus-carob {
  background: var(--mus-black);
  padding: clamp(44px, 5vw, 74px) clamp(24px, 4vw, 80px);
}
.mus-carob-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 80px);
  max-width: 1180px;
  margin: 0 auto;
  align-items: center;
}
@media (max-width: 820px) { .mus-carob-inner { grid-template-columns: 1fr; gap: 30px; } }
.mus-carob-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #14181A;
  isolation: isolate;
  box-shadow:
    0 30px 70px -32px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(20, 24, 26, 0.08);
}
.mus-carob-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mus-carob-body { text-align: left; }
.mus-carob-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  margin-bottom: 16px;
}
.mus-carob-rule {
  display: block;
  height: 1px;
  width: 80px;
  margin: 0 0 24px;
  background: linear-gradient(90deg, var(--mus-brass) 0%, rgba(201, 165, 92, 0) 100%);
}
.mus-carob-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.04;
  color: #FFFFFF;
  margin: 0 0 18px;
  letter-spacing: -0.012em;
}
.mus-carob-h em { font-style: italic; color: var(--mus-brass-warm); font-weight: 500; }
.mus-carob-line {
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.74);
  margin: 0;
}

/* ==========================================================================
   10 · IMITATIONS COMPARATOR — fake vs real educational
   ========================================================================== */
.mus-compare {
  background: var(--mus-black);
  color: #FFFFFF;
  padding: clamp(44px, 5vw, 74px) clamp(24px, 4vw, 80px);
}
.mus-compare .mus-section-h { color: #FFFFFF; }
.mus-compare .mus-section-h em { color: var(--mus-brass-warm); }
.mus-compare .mus-section-sub { color: rgba(255, 255, 255, 0.72); }
.mus-compare .mus-eyebrow { color: var(--mus-brass-warm); }

.mus-compare-frame {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--mus-vitrine);
  isolation: isolate;
  box-shadow:
    0 40px 90px -36px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(232, 193, 106, 0.20);
}
.mus-compare-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: contrast(1.06) saturate(1.06);
}
.mus-compare-tag {
  position: absolute;
  z-index: 3;
  padding: 10px 18px;
  font-family: var(--mus-sans);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mus-brass-warm);
  background: rgba(20, 24, 26, 0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(232, 193, 106, 0.4);
}
.mus-compare-tag--l { top: 22px; left: 22px; }
.mus-compare-tag--r { top: 22px; right: 22px; }
.mus-compare-caption {
  margin-top: 28px;
  text-align: center;
  font-family: var(--mus-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.78);
}

/* ==========================================================================
   11 · MUSEUM FILM (in-band, brass-framed)
   ========================================================================== */
.mus-film {
  background: var(--mus-black);
  padding: clamp(44px, 5vw, 72px) clamp(24px, 4vw, 80px);
}
.mus-film .mus-section-h { color: #FFFFFF; }
.mus-film .mus-section-h em { color: var(--mus-brass-warm); }
.mus-film .mus-section-sub { color: rgba(255, 255, 255, 0.72); }
.mus-film .mus-eyebrow { color: var(--mus-brass-warm); }
.mus-film-frame {
  position: relative;
  max-width: 1480px;
  margin: 0 auto;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--mus-vitrine);
  isolation: isolate;
  box-shadow:
    0 1px 0 rgba(232, 193, 106, 0.30) inset,
    0 48px 110px -54px rgba(20, 24, 26, 0.55);
}
@media (max-width: 720px) { .mus-film-frame { aspect-ratio: 4 / 5; } }
.mus-film-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(1.02) saturate(1.06) contrast(1.04);
}
.mus-film-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(70% 60% at 22% 56%, rgba(20, 24, 26, 0.55) 0%, rgba(20, 24, 26, 0) 65%),
    linear-gradient(180deg, rgba(20, 24, 26, 0.10) 0%, rgba(20, 24, 26, 0) 30%, rgba(20, 24, 26, 0.0) 70%, rgba(20, 24, 26, 0.25) 100%);
}
.mus-film-caption {
  position: absolute;
  left: clamp(20px, 3vw, 40px);
  bottom: clamp(20px, 3vw, 36px);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: rgba(20, 24, 26, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(232, 193, 106, 0.32);
  font-family: var(--mus-sans);
  font-size: 0.62rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
}

/* ==========================================================================
   12 · VISIT PANEL — emerald closing CTA card
   ========================================================================== */
.mus-visit {
  padding: clamp(40px, 5vw, 64px) clamp(24px, 4vw, 80px);
  background: var(--mus-black);
}
.mus-visit-card {
  max-width: 1040px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(232, 193, 106, 0.10) 0%, rgba(232, 193, 106, 0) 55%),
    linear-gradient(180deg, #224431 0%, var(--mus-emerald) 48%, var(--mus-emerald-deep) 100%);
  border: 1px solid rgba(232, 193, 106, 0.20);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 50px 100px -52px rgba(0, 0, 0, 0.7);
}
/* refined inset hairline frame */
.mus-visit-card::before {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(232, 193, 106, 0.18);
  pointer-events: none;
}
/* centred brass accent at the top edge */
.mus-visit-card::after {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 72px; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--mus-brass-warm) 50%, transparent 100%);
  pointer-events: none;
}
.mus-visit-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(48px, 6vw, 84px) clamp(28px, 5vw, 64px);
}
.mus-visit-copy { max-width: 600px; }
.mus-visit-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  margin-bottom: 16px;
}
.mus-visit-h {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1.06;
  color: #FFFFFF;
  margin: 0 0 18px;
  letter-spacing: -0.008em;
}
.mus-visit-h em { font-style: italic; color: var(--mus-brass-warm); font-weight: 500; }
.mus-visit-address {
  font-family: var(--mus-sans);
  font-size: 0.86rem;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
  margin: 0 0 18px;
}
.mus-visit-meta {
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(232, 193, 106, 0.85);
  font-weight: 600;
  margin: 0;
}
.mus-visit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 32px;
}

/* ==========================================================================
   13 · STICKY PILL CTA
   ========================================================================== */
.mus-sticky-pill {
  position: fixed;
  right: clamp(16px, 2vw, 28px);
  bottom: clamp(16px, 2vw, 28px);
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--mus-sans);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mus-emerald-deep);
  background: var(--mus-brass-warm);
  border: 1px solid var(--mus-brass);
  text-decoration: none;
  box-shadow: 0 18px 40px -16px rgba(20, 24, 26, 0.45);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s, background 0.3s, box-shadow 0.3s;
}
.mus-sticky-pill.is-on {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mus-sticky-pill:hover {
  background: #FFFFFF;
  box-shadow: 0 24px 50px -16px rgba(20, 24, 26, 0.55), 0 0 24px rgba(232, 193, 106, 0.4);
}
@media (max-width: 540px) {
  .mus-sticky-pill { font-size: 0.58rem; padding: 12px 18px; letter-spacing: 0.22em; }
}

/* Floating CTA stack order — the WhatsApp button shares the bottom-right corner
   with the "Book a Private Viewing" sticky pill, so lift it ABOVE the pill so the
   two never overlap. The generic floating "Book Consultation" button is hidden on
   this page because the sticky pill already is the museum's booking CTA. */
body.page-museum .float-book { display: none !important; }
body.page-museum .wa-btn { bottom: 92px !important; }
@media (max-width: 540px) {
  body.page-museum .wa-btn { bottom: 78px !important; }
}

/* ==========================================================================
   RESPONSIVE TUNING
   ========================================================================== */
@media (max-width: 720px) {
  .mus-hero-h { font-size: clamp(1.9rem, 8.5vw, 2.6rem); }
  .mus-section-h { font-size: clamp(1.75rem, 7vw, 2.2rem); }
  .mus-mineral-formula { font-size: 0.7rem; }
  body.page-museum .btn-v2 { padding: 14px 24px; font-size: 0.62rem; letter-spacing: 0.22em; }
}

/* ==========================================================================
   v2 ADDITIONS — Mineral hero (cabinet + typographic specimen list),
   "View more" zoom hint, Lightbox modal
   ========================================================================== */

/* MINERAL HERO — replaces the per-tile grid with one big cabinet photo +
   right-side typographic specimen list of the eight rare minerals.
   ========================================================================== */
.mus-mineral-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(36px, 4vw, 64px);
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 80px);
  align-items: start;
}
@media (max-width: 980px) { .mus-mineral-hero { grid-template-columns: 1fr; } }

.mus-mineral-hero-photo {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #0F1316;
  isolation: isolate;
  margin: 0;
  cursor: zoom-in;
  box-shadow:
    0 36px 80px -36px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(232, 193, 106, 0.18);
  transition: box-shadow 0.5s, transform 0.5s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-mineral-hero-photo:hover {
  transform: translateY(-3px);
  box-shadow:
    0 46px 96px -36px rgba(0, 0, 0, 0.78),
    0 0 0 1px rgba(232, 193, 106, 0.45),
    0 0 28px rgba(232, 193, 106, 0.2);
}
.mus-mineral-hero-photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: contrast(1.06) saturate(1.06) brightness(1.02);
  transition: transform 0.9s cubic-bezier(0.22, 0.7, 0.18, 1);
}
.mus-mineral-hero-photo:hover img { transform: scale(1.04); }

.mus-mineral-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mus-mineral-list li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(232, 193, 106, 0.14);
  transition: padding-left 0.4s ease, border-color 0.3s ease;
}
.mus-mineral-list li:hover {
  padding-left: 10px;
  border-bottom-color: rgba(232, 193, 106, 0.5);
}
.mus-mineral-list li:last-child { border-bottom: 0; }
.mus-mineral-list li h4 {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: 1.2rem;
  color: #FFFFFF;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.mus-mineral-list li .mus-mf {
  font-family: var(--mus-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mus-brass-warm);
  margin: 0 0 6px;
}
.mus-mineral-list li p:not(.mus-mf) {
  font-family: var(--mus-sans);
  font-size: 0.84rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 300;
  margin: 0;
}

/* "VIEW MORE +" ZOOM HINT — appears bottom-right of any data-lightbox frame */
[data-lightbox] {
  cursor: zoom-in;
  position: relative;
}
.mus-zoom-hint {
  position: absolute;
  bottom: 12px; right: 12px;
  z-index: 4;
  padding: 8px 14px;
  background: rgba(20, 24, 26, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(232, 193, 106, 0.45);
  font-family: var(--mus-sans);
  font-size: 0.58rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mus-brass-warm);
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.22, 0.7, 0.18, 1);
}
[data-lightbox]:hover .mus-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   LIGHTBOX MODAL — full-screen overlay with image + extended description
   ========================================================================== */
.mus-lb {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: stretch;
  justify-content: center;
}
.mus-lb[aria-hidden="false"], .mus-lb.is-open {
  display: flex;
  animation: musLbFadeIn 0.35s ease-out;
}
@keyframes musLbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.mus-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 14, 16, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
}
.mus-lb-close {
  position: absolute;
  top: clamp(16px, 2.4vw, 28px);
  right: clamp(16px, 2.4vw, 28px);
  z-index: 4;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  background: rgba(20, 24, 26, 0.62);
  border: 1px solid rgba(232, 193, 106, 0.45);
  color: #FFFFFF;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.mus-lb-close:hover {
  background: var(--mus-brass-warm);
  border-color: var(--mus-brass-warm);
  color: var(--mus-emerald-deep);
  transform: rotate(90deg);
}

.mus-lb-stage {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 48px);
  width: 100%;
  max-width: 1480px;
  margin: auto;
  padding: clamp(56px, 6vw, 84px) clamp(24px, 4vw, 80px);
  align-items: stretch;
}
@media (max-width: 980px) {
  .mus-lb-stage { grid-template-columns: 1fr; padding: clamp(72px, 8vw, 100px) clamp(20px, 4vw, 40px); }
}
.mus-lb-figure {
  margin: 0;
  position: relative;
  background: #0B0E10;
  border: 1px solid rgba(232, 193, 106, 0.20);
  overflow: hidden;
  max-height: calc(100vh - 168px);
  display: grid;
  place-items: center;
}
.mus-lb-img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 168px);
  width: auto;
  height: auto;
  object-fit: contain;
}
.mus-lb-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #FFFFFF;
  padding: clamp(16px, 2vw, 28px) 0;
  overflow-y: auto;
  max-height: calc(100vh - 168px);
  scrollbar-width: thin;
  scrollbar-color: var(--mus-brass) transparent;
}
.mus-lb-info::-webkit-scrollbar { width: 6px; }
.mus-lb-info::-webkit-scrollbar-thumb { background: var(--mus-brass); border-radius: 3px; }

.mus-lb-eyebrow {
  display: inline-block;
  font-family: var(--mus-sans);
  font-size: 0.66rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--mus-brass-warm);
  font-weight: 600;
  margin-bottom: 16px;
}
.mus-lb-title {
  font-family: var(--mus-serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  line-height: 1.08;
  color: #FFFFFF;
  margin: 0 0 22px;
  letter-spacing: -0.008em;
}
.mus-lb-desc {
  font-family: var(--mus-sans);
  font-size: 0.95rem;
  line-height: 1.78;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 30px;
}
.mus-lb-cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--mus-brass-warm);
  color: var(--mus-emerald-deep);
  border: 1px solid var(--mus-brass);
  font-family: var(--mus-sans);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.mus-lb-cta:hover {
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(232, 193, 106, 0.5);
}
@media (max-width: 980px) {
  .mus-lb-figure { max-height: 50vh; }
  .mus-lb-img { max-height: 50vh; }
  .mus-lb-info { max-height: none; overflow-y: visible; padding-bottom: 28px; }
  .mus-lb-cta { align-self: stretch; justify-content: center; }
}

body.mus-lb-open { overflow: hidden; }

/* === MOBILE POLISH MANAGED: museum-hero-mobile === */
@media (max-width: 600px){
  body .mus-hero .mus-hero-content{ justify-content:flex-end !important;
    padding-bottom: clamp(74px, 15vh, 150px) !important; }
  body .mus-hero .mus-hero-scrim{
    background: linear-gradient(180deg, rgba(8,14,10,.30) 0%, rgba(8,14,10,.20) 40%, rgba(8,14,10,.88) 100%) !important; }
  body .mus-hero .mus-hero-h{ text-shadow:0 2px 18px rgba(0,0,0,.9) !important; font-size:clamp(1.9rem,8vw,2.5rem) !important; }
  body .mus-hero .mus-hero-crest{ opacity:.42 !important; }
}
/* === END MOBILE POLISH: museum-hero-mobile === */

/* === MOBILE POLISH MANAGED: museum-hero-artwork (16 Aug 2026) ===
   The cabinet photograph read as a dark smudge once it was cover-cropped into
   a phone viewport, and the headline sank into it. Phones now get the same
   cave artwork the audio guide uses, cut to portrait and feathered top and
   bottom over the cave gradient, with the photograph kept for tablet and up. */
@media (max-width: 768px) {
  body .mus-hero {
    background-color: #050d0a;
    background-image: radial-gradient(128% 70% at 50% 42%, #12301f 0%, #0a1a13 55%, #050d0a 100%);
  }
  /* The portrait cut is already feathered into transparency top and bottom, so
     it is sat whole on the gradient rather than cover-cropped into it. */
  body .mus-hero .mus-hero-img {
    object-fit: contain;
    object-position: center 46%;
    filter: none;
  }
  body .mus-hero .mus-hero-crest { opacity: .92 !important; }
  /* Only the foot of the hero needs weight now, for the headline and buttons.
     The centre stays clear so the artwork is not veiled twice. */
  body .mus-hero .mus-hero-scrim {
    background: linear-gradient(180deg,
      rgba(5,13,10,.62) 0%, rgba(5,13,10,.10) 22%,
      rgba(5,13,10,0) 46%, rgba(5,13,10,.70) 82%, rgba(5,13,10,.94) 100%) !important;
  }
}
/* Drifting gold dust, the same ambience as the audio guide portal. */
.mus-hero .hero-dust-canvas { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
/* === END MOBILE POLISH: museum-hero-artwork === */