/* Ultra Premium Digital Memorial Museum Theme */
:root {
  --museum-bg-deep: #030712;
  --museum-bg-mid: #0f172a;
  --museum-bg-soft: #111827;
  --museum-crimson: #ff1744;
  --museum-gold: #fbbf24;
  --museum-text: #ffffff;
  --museum-text-soft: #cbd5e1;
  --museum-glass: rgba(15, 23, 42, 0.55);
  --museum-glass-border: rgba(255, 255, 255, 0.1);
  --font-display: 'Cinzel', 'Playfair Display', serif;
  --font-body: 'Manrope', 'Inter', 'Noto Sans Bengali', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body.museum-theme {
  font-family: var(--font-body);
  color: var(--museum-text-soft);
  background: var(--museum-bg-deep);
  overflow-x: hidden;
}

/* Cinematic ambient background */
.museum-ambient {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 80% at 50% -30%, rgba(255, 23, 68, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 60%, rgba(251, 191, 36, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 70% 60% at 90% 80%, rgba(15, 23, 42, 0.9) 0%, transparent 45%),
    linear-gradient(180deg, var(--museum-bg-mid) 0%, var(--museum-bg-deep) 45%, #020617 100%);
  animation: ambient-shift 18s ease-in-out infinite alternate;
}

.museum-ambient__particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.65;
}

@keyframes ambient-shift {
  0% { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(8deg) brightness(1.05); }
}

/* Typography */
.museum-theme h1,
.museum-theme h2,
.museum-theme h3,
.museum-theme .museum-heading {
  font-family: var(--font-display);
  color: var(--museum-text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

html[lang="bn"] .museum-theme h1,
html[lang="bn"] .museum-theme .museum-hero__title {
  font-family: 'Noto Sans Bengali', var(--font-body);
  font-weight: 800;
}

/* Glass + animated gradient border */
.glass-museum {
  position: relative;
  background: var(--museum-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--museum-glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.glass-museum:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(255, 23, 68, 0.2), 0 0 40px rgba(251, 191, 36, 0.08);
}

.glass-museum--border {
  border: none;
  padding: 2px;
  background: linear-gradient(90deg, var(--museum-crimson), var(--museum-gold), var(--museum-crimson));
  background-size: 200% 100%;
  animation: border-flow 5s linear infinite;
}

.glass-museum--border > .glass-museum__inner {
  background: var(--museum-glass);
  backdrop-filter: blur(18px);
  border-radius: 14px;
  padding: 1.5rem;
  height: 100%;
}

@keyframes border-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* Navbar museum */
.museum-main {
  position: relative;
  z-index: 1;
}

.museum-theme .site-navbar {
  background: rgba(3, 7, 18, 0.82) !important;
  border-bottom: 1px solid rgba(255, 23, 68, 0.2);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.museum-theme .site-navbar .container {
  max-width: 1140px;
}

.museum-theme .nav-link.active {
  background: linear-gradient(135deg, var(--museum-crimson), #c51130) !important;
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.45);
}

.museum-theme .btn-lang-switch {
  border-color: var(--museum-gold) !important;
  color: var(--museum-gold) !important;
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.35);
}

/* Buttons */
.btn-museum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none !important;
  white-space: nowrap;
  transition: transform 0.25s, box-shadow 0.25s;
  border: none;
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
}

.btn-museum--crimson {
  background: linear-gradient(135deg, var(--museum-crimson), #d50032);
  color: #fff !important;
  box-shadow: 0 0 28px rgba(255, 23, 68, 0.5);
}

.btn-museum--gold {
  background: transparent;
  color: var(--museum-gold) !important;
  border: 2px solid var(--museum-gold);
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.25);
}

.btn-museum:hover {
  transform: translateY(-2px) scale(1.02);
  color: #fff !important;
}

.btn-museum--gold:hover {
  background: rgba(251, 191, 36, 0.15);
}

/* ========== HERO ========== */
.museum-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 5rem 0 4rem;
}

.museum-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.museum-hero__media img,
.museum-hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.museum-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 50% 45% at 50% 55%, rgba(255, 23, 68, 0.15) 0%, transparent 65%),
    linear-gradient(180deg, rgba(3, 7, 18, 0.4) 0%, rgba(3, 7, 18, 0.92) 75%, var(--museum-bg-deep) 100%);
}

.museum-hero__rays {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: conic-gradient(from 180deg at 50% 60%, transparent 0deg, rgba(251, 191, 36, 0.06) 40deg, transparent 80deg, rgba(255, 23, 68, 0.08) 120deg, transparent 160deg);
  animation: rays-spin 40s linear infinite;
  pointer-events: none;
}

@keyframes rays-spin {
  to { transform: rotate(360deg); }
}

.museum-hero__container {
  position: relative;
  z-index: 4;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1rem;
  text-align: center;
}

/* Eternal flame — center focus */
.museum-flame {
  position: relative;
  width: 72px;
  height: 100px;
  margin: 0 auto 1.75rem;
}

.museum-flame__core,
.museum-flame__glow {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
}

.museum-flame__glow {
  width: 90px;
  height: 110px;
  background: radial-gradient(ellipse, rgba(251, 191, 36, 0.45) 0%, rgba(255, 23, 68, 0.2) 45%, transparent 70%);
  animation: flame-breathe 2.5s ease-in-out infinite;
  filter: blur(8px);
}

.museum-flame__core {
  width: 32px;
  height: 56px;
  background: linear-gradient(180deg, #fff9e6 0%, var(--museum-gold) 25%, #ff6f00 55%, var(--museum-crimson) 100%);
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.8), 0 0 60px rgba(255, 23, 68, 0.5);
  animation: flame-flicker-m 1.8s ease-in-out infinite alternate;
}

.museum-flame__base {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 12px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.8), transparent);
}

@keyframes flame-breathe {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.85; }
  50% { transform: translateX(-50%) scale(1.12); opacity: 1; }
}

@keyframes flame-flicker-m {
  0% { transform: translateX(-50%) scale(1) rotate(-2deg); }
  100% { transform: translateX(-50%) scale(1.06) rotate(2deg); }
}

.museum-hero__tag {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--museum-gold);
  margin-bottom: 0.75rem;
  text-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
}

.museum-hero__title {
  font-size: clamp(1.65rem, 4.5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.8);
}

.museum-hero__subtitle {
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  color: var(--museum-text-soft);
  max-width: 720px;
  margin: 0 auto 1.75rem;
  line-height: 1.75;
}

/* CTA — one row inside container */
.museum-hero__cta {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1rem);
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 0.25rem;
  box-sizing: border-box;
}

/* Stats */
.museum-stats {
  margin-top: -4rem;
  position: relative;
  z-index: 5;
  padding-bottom: 2rem;
}

.museum-stats__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
}

@media (max-width: 991px) {
  .museum-stats__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 576px) {
  .museum-stats__grid { grid-template-columns: repeat(2, 1fr); }
}

.museum-stat {
  text-align: center;
  padding: 1.25rem 0.5rem;
}

.museum-stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--museum-crimson);
  text-shadow: 0 0 24px rgba(255, 23, 68, 0.5);
  line-height: 1;
}

.museum-stat__label {
  font-size: 0.72rem;
  color: var(--museum-text-soft);
  margin-top: 0.45rem;
  line-height: 1.3;
}

/* Sections */
.museum-section {
  padding: 5rem 0;
  position: relative;
}

.museum-section__title {
  text-align: center;
  font-size: clamp(1.35rem, 3vw, 2rem);
  margin-bottom: 0.5rem;
}

.museum-section__title span.gold {
  color: var(--museum-gold);
}

.museum-section__line {
  width: 80px;
  height: 3px;
  margin: 0.75rem auto 2.5rem;
  background: linear-gradient(90deg, var(--museum-crimson), var(--museum-gold), var(--museum-crimson);
  background-size: 200% 100%;
  animation: border-flow 4s linear infinite;
  border-radius: 2px;
}

/* Today featured glow */
.museum-today {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .museum-today { grid-template-columns: 1fr; text-align: center; }
}

.museum-today__photo {
  width: 100%;
  border-radius: 12px;
  aspect-ratio: 3/4;
  object-fit: cover;
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.35), 0 0 60px rgba(255, 23, 68, 0.2);
}

.museum-today__name {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.museum-today__meta {
  color: var(--museum-gold);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Never forgotten */
.museum-marquee {
  overflow: hidden;
  padding: 2.5rem 0;
  border-block: 1px solid rgba(255, 23, 68, 0.15);
  background: rgba(3, 7, 18, 0.6);
}

.museum-marquee__track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: marquee-museum 70s linear infinite;
}

.museum-marquee__track:hover {
  animation-play-state: paused;
}

@keyframes marquee-museum {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.museum-marquee__item {
  flex: 0 0 auto;
  text-align: center;
  width: 130px;
}

.museum-marquee__item img {
  width: 110px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(251, 191, 36, 0.3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.museum-marquee__item span {
  display: block;
  font-size: 0.72rem;
  margin-top: 0.4rem;
  color: var(--museum-text-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Story cards */
.museum-story-card {
  overflow: hidden;
  height: 100%;
}

.museum-story-card__img {
  display: block;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.museum-story-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.museum-story-card:hover .museum-story-card__img img {
  transform: scale(1.08);
}

.museum-story-card__body {
  padding: 1.15rem;
}

/* Reveal */
.reveal-museum {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-museum.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Parallax helper */
[data-parallax] {
  will-change: transform;
}

/* Footer */
.museum-theme .site-footer {
  background: linear-gradient(180deg, var(--museum-bg-soft), var(--museum-bg-deep));
  border-top: 1px solid rgba(255, 23, 68, 0.2);
}

/* Override legacy premium hero if both loaded */
.page-home .memorial-hero {
  display: none;
}

/* Hero smoke & radial glow */
.museum-hero__smoke {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(255, 255, 255, 0.06) 0%, transparent 55%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.35;
  animation: smoke-drift 12s ease-in-out infinite alternate;
}

.museum-hero__glow-radial {
  position: absolute;
  width: 120%;
  height: 70%;
  left: 50%;
  top: 35%;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse, rgba(255, 23, 68, 0.22) 0%, transparent 65%);
  filter: blur(40px);
}

@keyframes smoke-drift {
  0% { transform: translateY(0); opacity: 0.3; }
  100% { transform: translateY(-12px); opacity: 0.45; }
}

.museum-flame__layer {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  pointer-events: none;
}

.museum-flame__layer--outer {
  width: 48px;
  height: 70px;
  background: linear-gradient(180deg, rgba(255, 23, 68, 0.5), transparent);
  animation: flame-flicker-m 2.2s ease-in-out infinite alternate;
  filter: blur(4px);
}

.museum-flame__layer--inner {
  width: 18px;
  height: 36px;
  background: linear-gradient(180deg, #fff, var(--museum-gold));
  animation: flame-flicker-m 1.4s ease-in-out infinite alternate-reverse;
  opacity: 0.9;
}

.museum-flame__reflect {
  position: absolute;
  left: 50%;
  bottom: -28px;
  transform: translateX(-50%) scaleY(-1);
  width: 64px;
  height: 40px;
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.35), transparent);
  filter: blur(10px);
  opacity: 0.5;
  border-radius: 50%;
}

.museum-hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.museum-hero-stat {
  flex: 1 1 100px;
  padding: 0.75rem 1rem;
  text-align: center;
  min-width: 100px;
}

.museum-hero-stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--museum-gold);
  text-shadow: 0 0 20px rgba(251, 191, 36, 0.45);
}

.museum-hero-stat__label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--museum-text-soft);
}

.museum-hero__scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--museum-gold);
  opacity: 0.85;
}

.museum-hero__scroll-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(180deg, var(--museum-gold), transparent);
  border-radius: 2px;
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(0.6); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.museum-stat__num--gold {
  color: var(--museum-gold) !important;
  text-shadow: 0 0 24px rgba(251, 191, 36, 0.5);
}

/* Search results */
.search-result-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem !important;
  background: rgba(15, 23, 42, 0.6) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
  color: inherit !important;
}

.search-result-item:hover {
  background: rgba(255, 23, 68, 0.12) !important;
}

.search-result-item__thumb {
  width: 48px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}