/* ==========================================================
   AVIATION MUSEUM NEPAL — Premium Stylesheet v2
   aviationmuseumnepal.com
   ========================================================== */

/* ── 1. CSS VARIABLES ── */
:root {
  --navy:       #081628;
  --navy-mid:   #0d2040;
  --navy-light: #14305e;
  --blue:       #0e6eaf;
  --blue-lt:    #1a8cd8;
  --sky:        #5ab4f0;
  --red:        #c0392b;
  --orange:     #f4a52a;
  --orange-dk:  #d98c15;
  --gold:       #f0c040;
  --white:      #ffffff;
  --off-white:  #f5f7fa;
  --light:      #e8edf5;
  --gray:       #8895a7;
  --gray-dk:    #4a5568;
  --dark:       #1a202c;
  --font-head:  'Montserrat', sans-serif;
  --font-body:  'Open Sans', sans-serif;
  --section-pad: 5rem 0;
  --container-max: 1220px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 14px rgba(0,0,0,.08);
  --shadow:    0 6px 28px rgba(0,0,0,.12);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.18);
  --shadow-xl: 0 20px 70px rgba(0,0,0,.25);
  --nav-h:     74px;
  --ease:      cubic-bezier(.4, 0, .2, 1);
}

/* ── 2. RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  padding-top: var(--nav-h);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select, button { font-family: var(--font-body); font-size: 1rem; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  line-height: 1.22;
  color: var(--navy);
  font-weight: 700;
}

/* ── 3. UTILITIES ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 1.5rem);
}
section { padding: var(--section-pad); }
.text-center { text-align: center; }
.text-white  { color: var(--white) !important; }
.bg-dark  { background: var(--navy);      color: var(--white); }
.bg-mid   { background: var(--navy-mid);  color: var(--white); }
.bg-light { background: var(--off-white); }

.section-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(244,165,42,.13);
  border: 1px solid rgba(244,165,42,.3);
  padding: .3rem .85rem;
  border-radius: 100px;
  margin-bottom: .8rem;
}
.section-header.center {
  max-width: 660px;
  margin: 0 auto 3rem;
}
.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.18;
  margin-bottom: .65rem;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--gray-dk);
  line-height: 1.75;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-head);
  font-size: .87rem;
  font-weight: 700;
  letter-spacing: .025em;
  padding: .8rem 1.8rem;
  border-radius: 100px;
  transition: all .25s var(--ease);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  min-height: 44px;
}
.btn-primary {
  background: var(--orange);
  color: var(--navy);
  border-color: var(--orange);
  box-shadow: 0 4px 18px rgba(244,165,42,.38);
}
.btn-primary:hover {
  background: var(--orange-dk);
  border-color: var(--orange-dk);
  box-shadow: 0 8px 28px rgba(244,165,42,.48);
  transform: translateY(-2px);
  color: var(--navy);
}
.btn-secondary {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border-color: rgba(255,255,255,.4);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.75);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8,22,40,.2);
}
.btn-sm { padding: .52rem 1.25rem; font-size: .8rem; min-height: 38px; }

/* Feature list */
.feature-list { display: flex; flex-direction: column; gap: 1.1rem; margin: 1.5rem 0; }
.feature-item { display: flex; align-items: flex-start; gap: 1rem; }
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(14,110,175,.1);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background .2s, color .2s;
}
.feature-item:hover .feature-icon { background: var(--orange); color: var(--navy); }
.feature-item p { margin: 0; font-size: .9rem; color: var(--gray-dk); padding-top: .55rem; line-height: 1.6; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  color: var(--blue);
}
.read-more:hover { color: var(--orange); }
.read-more i { font-size: .68rem; transition: transform .2s; }
.read-more:hover i { transform: translateX(3px); }

/* ── 4. NAVIGATION ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
}
#navbar.transparent {
  background: linear-gradient(to bottom, rgba(8,22,40,.85) 0%, transparent 100%);
}
#navbar.scrolled {
  background: rgba(8,22,40,.97);
  box-shadow: 0 2px 24px rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(.75rem, 2vw, 1.5rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo img {
  height: clamp(38px, 5vw, 50px);
  width: auto;
  object-fit: contain;
}
.nav-logo-text .name {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(.8rem, 1.8vw, .92rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}
.nav-logo-text .tagline {
  display: block;
  font-size: clamp(.6rem, 1vw, .66rem);
  color: var(--orange);
  letter-spacing: .09em;
  font-family: var(--font-head);
  font-weight: 600;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .15rem;
}
.nav-links li { position: relative; }
.nav-links a {
  display: block;
  padding: .48rem .8rem;
  font-family: var(--font-head);
  font-size: .81rem;
  font-weight: 600;
  color: rgba(255,255,255,.82);
  border-radius: 7px;
  transition: color .2s, background .2s;
  letter-spacing: .01em;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,.1);
}
.btn-nav {
  background: var(--orange) !important;
  color: var(--navy) !important;
  padding: .48rem 1.25rem !important;
  border-radius: 100px !important;
  font-weight: 700 !important;
}
.btn-nav:hover {
  background: var(--orange-dk) !important;
  box-shadow: 0 4px 16px rgba(244,165,42,.45);
  transform: translateY(-1px);
}
.btn-nav.active { background: var(--orange-dk) !important; }

/* Dropdown */
.nav-item { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + .6rem);
  left: 0;
  min-width: 200px;
  background: var(--navy);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all .25s var(--ease);
  border-top: 2px solid var(--orange);
  z-index: 10;
}
.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  font-size: .79rem;
  padding: .5rem .9rem;
  color: rgba(255,255,255,.78);
  border-radius: 6px;
}
.dropdown-menu li a:hover {
  background: rgba(255,255,255,.08);
  color: var(--orange);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .4rem;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Desktop nav force show */
@media (min-width: 901px) {
  .nav-toggle { display: none !important; }
  .nav-links {
    display: flex !important;
    flex-direction: row;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    position: static !important;
    background: transparent !important;
    max-height: none !important;
    border: none !important;
  }
}

/* Desktop nav scaling */
@media (max-width: 1280px) and (min-width: 901px) {
  .nav-logo-text .tagline { display: none; }
  .nav-links { gap: .1rem; }
  .nav-links a { padding: .44rem .65rem; font-size: .8rem; }
}
@media (max-width: 1100px) and (min-width: 901px) {
  .nav-links { gap: .05rem; }
  .nav-links a { padding: .4rem .5rem; font-size: .75rem; }
  .nav-logo img { height: 42px; }
  .nav-logo-text .name { font-size: .84rem; }
}
@media (max-width: 980px) and (min-width: 901px) {
  .nav-links a { padding: .38rem .4rem; font-size: .7rem; }
  .nav-logo img { height: 38px; }
  .nav-logo-text .name { font-size: .8rem; }
}

/* ── 5. HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  margin-top: calc(-1 * var(--nav-h));
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  will-change: transform;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(8,22,40,.94) 0%,
    rgba(8,22,40,.78) 45%,
    rgba(8,22,40,.42) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2rem) clamp(1rem, 4vw, 1.5rem) 4rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-head);
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(244,165,42,.15);
  border: 1px solid rgba(244,165,42,.35);
  padding: .38rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.hero-text h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 1.3rem;
  letter-spacing: -.02em;
}
.hero-text h1 span { color: var(--orange); }
.hero-text > p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.8);
  max-width: 520px;
  margin-bottom: 2.25rem;
  line-height: 1.75;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}
.hero-stats { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.stat-card {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: .88rem 1.3rem;
  min-width: 105px;
  transition: background .2s;
}
.stat-card:hover { background: rgba(255,255,255,.14); }
.stat-card .num {
  font-family: var(--font-head);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.stat-card .lbl {
  font-size: .7rem;
  color: rgba(255,255,255,.68);
  margin-top: .22rem;
  font-weight: 600;
  letter-spacing: .02em;
}

/* Hero visual panel (right column) */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-img-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
}
.hero-img-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.hero-img-badge {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--orange);
  color: var(--navy);
  padding: .85rem 1.15rem;
  border-radius: var(--radius-lg);
  text-align: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1;
  box-shadow: 0 8px 26px rgba(244,165,42,.45);
}
.hero-img-badge span {
  display: block;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .06em;
  opacity: .8;
  margin-bottom: .12rem;
  text-transform: uppercase;
}

/* Scroll indicator */
.scroll-down {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.55);
  font-size: .68rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  animation: scrollBounce 2.2s ease-in-out infinite;
}
.scroll-down .arrow {
  width: 22px;
  height: 22px;
  border-right: 2px solid rgba(255,255,255,.45);
  border-bottom: 2px solid rgba(255,255,255,.45);
  transform: rotate(45deg);
}

/* ── 6. TICKER BAR ── */
.ticker-bar {
  background: var(--navy-mid);
  border-top: 3px solid var(--orange);
  border-bottom: 1px solid rgba(255,255,255,.06);
  overflow: hidden;
  white-space: nowrap;
  padding: .72rem 0;
}
.ticker-inner {
  display: inline-block;
  animation: ticker 35s linear infinite;
  white-space: nowrap;
}
.ticker-inner:hover { animation-play-state: paused; }
.ticker-inner span {
  display: inline-block;
  padding: 0 3.5rem;
  font-family: var(--font-head);
  font-size: .76rem;
  font-weight: 600;
  color: rgba(255,255,255,.78);
  letter-spacing: .04em;
}
.ticker-inner span i { color: var(--orange); margin-right: .1rem; }

/* ── 7. QUICK INFO GRID ── */
.quick-info-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}
.quick-info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.quick-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.quick-info-card.dark {
  background: var(--navy);
}
.quick-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto .85rem;
  font-size: 1.25rem;
}
.quick-info-card h4 { font-size: .88rem; color: var(--navy); margin-bottom: .3rem; }
.quick-info-card.dark h4 { color: var(--white); }
.quick-info-card p { font-size: .8rem; color: var(--gray-dk); margin: 0; }

/* ── 8. ABOUT STRIP ── */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}
.about-strip.reverse { direction: rtl; }
.about-strip.reverse > * { direction: ltr; }
.about-images { position: relative; }
.about-img-main {
  width: 100%;
  height: 100%;
  aspect-ratio: 5/3;
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: var(--radius-lg);
}
.about-img-accent {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 44%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 4px solid var(--white);
  box-shadow: var(--shadow);
}
.about-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.about-text .section-title { margin-top: .25rem; }

/* ── 9. COUNTERS ── */
.counters-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  padding: .5rem 0;
}
.counter-item {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  transition: background .25s, transform .25s;
}
.counter-item:hover {
  background: rgba(255,255,255,.08);
  transform: translateY(-4px);
}
.counter-num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: .45rem;
}
.counter-label {
  font-size: .82rem;
  color: rgba(255,255,255,.62);
  font-weight: 600;
  letter-spacing: .025em;
}

/* ── 10. EXHIBIT CARDS ── */
.exhibits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.exhibit-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .32s var(--ease), box-shadow .32s var(--ease);
}
.exhibit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.exhibit-thumb {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.exhibit-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s var(--ease);
}
.exhibit-card:hover .exhibit-thumb img { transform: scale(1.07); }
.exhibit-tag {
  position: absolute;
  top: .85rem;
  left: .85rem;
  background: var(--orange);
  color: var(--navy);
  font-family: var(--font-head);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .28rem .72rem;
  border-radius: 100px;
  z-index: 1;
}
.exhibit-body { padding: 1.5rem; }
.exhibit-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.exhibit-body p { font-size: .88rem; color: var(--gray-dk); margin-bottom: 1rem; line-height: 1.65; }
.exhibit-meta {
  display: flex;
  gap: 1.25rem;
  border-top: 1px solid var(--light);
  padding-top: .85rem;
}
.exhibit-meta span {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .79rem;
  color: var(--gray);
  font-family: var(--font-head);
  font-weight: 600;
}
.exhibit-meta i { color: var(--blue); font-size: .72rem; }

/* ── 11. GALLERY PREVIEW GRID ── */
.gallery-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 1rem;
  margin-bottom: 2rem;
}
.gallery-preview-grid .gp-item {
  border-radius: 12px;
  overflow: hidden;
}
.gallery-preview-grid .gp-item.tall {
  grid-row: span 2;
}
.gp-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s var(--ease);
}
.gp-item:hover img { transform: scale(1.05); }

/* ── 12. GALLERY FILTERS & MASONRY ── */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-btn {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 700;
  padding: .5rem 1.3rem;
  border-radius: 100px;
  border: 2px solid var(--light);
  color: var(--gray-dk);
  background: var(--white);
  transition: all .22s var(--ease);
  cursor: pointer;
  letter-spacing: .02em;
  min-height: 40px;
}
.filter-btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(8,22,40,.2);
}
.gallery-masonry {
  columns: 4 240px;
  column-gap: 1rem;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  line-height: 0;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform .45s var(--ease);
  min-height: 80px;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item::after {
  content: '\f00e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  background: rgba(8,22,40,.52);
  opacity: 0;
  transition: opacity .3s var(--ease);
  line-height: 1;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item.hidden { display: none; }
.gallery-item.fade-in { animation: fadeIn .4s ease forwards; }

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .32s var(--ease), visibility .32s;
}
.lightbox-overlay.active { opacity: 1; visibility: visible; }
.lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 0 90px rgba(0,0,0,.8);
  transition: opacity .16s ease;
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,.12);
  color: var(--white);
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(255,255,255,.26);
  transform: scale(1.1);
}
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev  { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next:hover { transform: translateY(-50%) scale(1.1); }

/* ── 13. EDUCATION CARDS ── */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.edu-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.edu-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-xl);
}
.edu-card-icon {
  position: relative;
  height: 185px;
  overflow: hidden;
}
.edu-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.edu-card:hover .edu-card-icon img { transform: scale(1.06); }
.edu-card-icon > i {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  width: 46px;
  height: 46px;
  background: var(--orange);
  color: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(244,165,42,.45);
}
.edu-card-body { padding: 1.5rem; }
.edu-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(14,110,175,.1);
  padding: .22rem .7rem;
  border-radius: 100px;
  margin-bottom: .65rem;
}
.edu-card-body h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: .45rem; color: var(--navy); }
.edu-card-body p { font-size: .88rem; color: var(--gray-dk); margin-bottom: 1.1rem; line-height: 1.65; }

/* Steps grid (how to book) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.step-item { text-align: center; }
.step-num {
  width: 60px;
  height: 60px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--orange);
}
.step-item h4 { margin-bottom: .5rem; font-size: 1rem; }
.step-item p { font-size: .9rem; color: var(--gray-dk); }

/* Resources grid */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}
.resource-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.resource-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(14,110,175,.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.resource-card h4 { font-size: .95rem; margin-bottom: .3rem; }
.resource-card p { font-size: .85rem; color: var(--gray-dk); margin: 0 0 .5rem; }

/* ── 14. VISIT PAGE ── */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  border-top: 3px solid var(--orange);
}
.info-card:last-child { margin-bottom: 0; }
.info-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.info-card h3 i { color: var(--orange); }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table tr { border-bottom: 1px solid var(--light); }
.hours-table tr:last-child { border-bottom: none; }
.hours-table td { padding: .58rem 0; font-size: .9rem; }
.hours-table .day { color: var(--gray-dk); font-weight: 500; }
.hours-table .time { text-align: right; font-family: var(--font-head); font-weight: 700; color: var(--navy); }
.hours-table .closed { color: var(--orange); }
.ticket-table { width: 100%; border-collapse: collapse; }
.ticket-table tr { border-bottom: 1px solid var(--light); }
.ticket-table tr:last-child { border-bottom: none; }
.ticket-table td { padding: .58rem 0; font-size: .9rem; }
.ticket-table .cat { color: var(--gray-dk); font-weight: 500; }
.ticket-table .price { text-align: right; font-family: var(--font-head); font-weight: 800; color: var(--orange); }
.map-embed { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.map-embed iframe { width: 100%; height: 310px; border: 0; display: block; }

/* Visit strip (hours + admission on dark bg) */
.visit-strip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.visit-strip-table { width: 100%; }
.visit-strip-table tr {
  display: flex;
  justify-content: space-between;
  padding: .4rem 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.visit-strip-table tr:last-child { border-bottom: none; }
.visit-strip-table td { font-size: .9rem; }

/* Tour options */
.tour-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Support callouts */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

/* ── 15. FAQ ACCORDION ── */
.accordion { display: flex; flex-direction: column; gap: .7rem; }
.acc-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--light);
  overflow: hidden;
  transition: box-shadow .2s;
}
.acc-item:has(.acc-header.open) { box-shadow: var(--shadow); }
.acc-header {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.4rem;
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background .2s;
  min-height: 52px;
}
.acc-header:hover { background: var(--off-white); }
.acc-header.open { background: var(--navy); color: var(--white); }
.acc-header.open .acc-icon { transform: rotate(45deg); color: var(--orange); }
.acc-icon { flex-shrink: 0; font-size: .75rem; transition: transform .28s var(--ease); color: var(--orange); }
.acc-body {
  padding: 0 1.4rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease), padding .38s var(--ease);
  font-size: .9rem;
  color: var(--gray-dk);
  line-height: 1.72;
}
.acc-body.open { max-height: 400px; padding: 1rem 1.4rem 1.25rem; }

/* ── 16. CONTACT PAGE ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.45fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-info-block h2,
.contact-form-wrap h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: .45rem;
  color: var(--navy);
}
.contact-info-block .sub,
.contact-form-wrap .sub {
  color: var(--gray-dk);
  font-size: .95rem;
  margin-bottom: 2rem;
  line-height: 1.65;
}
.c-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.35rem;
  align-items: flex-start;
}
.c-item-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  background: rgba(14,110,175,.1);
  color: var(--blue);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background .2s, color .2s;
}
.c-item:hover .c-item-icon { background: var(--orange); color: var(--navy); }
.c-item-text h4 { font-size: .84rem; font-weight: 700; color: var(--navy); margin-bottom: .2rem; }
.c-item-text p { font-size: .87rem; color: var(--gray-dk); margin: 0; line-height: 1.55; }
.c-item-text a:hover { color: var(--orange); }
.social-links { display: flex; gap: .7rem; margin-top: 1.75rem; flex-wrap: wrap; }
.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--light);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: all .22s;
}
.social-links a:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-3px);
}
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--orange);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { margin-bottom: 1.15rem; }
.form-group label {
  display: block;
  font-family: var(--font-head);
  font-size: .81rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .78rem 1rem;
  border: 1.5px solid var(--light);
  border-radius: var(--radius);
  background: var(--off-white);
  color: var(--dark);
  font-size: .9rem;
  transition: border-color .2s, background .2s, box-shadow .2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238895a7' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(14,110,175,.1);
}
.form-group textarea { height: 145px; resize: vertical; }
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(192,57,43,.1);
}

/* ── 17. TIMELINE ── */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: .5rem;
  bottom: .5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--orange) 0%, var(--blue) 100%);
  border-radius: 2px;
}
.tl-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1.75rem;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: -2.22rem;
  top: .85rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange), var(--shadow-sm);
}
.tl-year {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .09em;
  color: var(--orange);
  background: rgba(244,165,42,.12);
  border: 1px solid rgba(244,165,42,.3);
  padding: .22rem .8rem;
  border-radius: 100px;
  margin-bottom: .5rem;
  text-transform: uppercase;
}
.tl-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: .35rem; }
.tl-item p { font-size: .9rem; color: var(--gray-dk); line-height: 1.65; }

/* ── 18. TEAM CARDS ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.team-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.team-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-xl);
}
.team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin: 1.5rem auto 0;
  border: 3px solid var(--light);
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .5s var(--ease);
}
.team-card:hover .team-photo img { transform: scale(1.06); }
.team-info { padding: 1.3rem; }
.team-info h3 { font-size: .96rem; font-weight: 700; color: var(--navy); margin-bottom: .2rem; }
.team-role {
  font-size: .76rem;
  color: var(--orange);
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: .5rem;
  text-transform: uppercase;
}
.team-bio { font-size: .82rem; color: var(--gray-dk); margin-bottom: .85rem; line-height: 1.55; }
.team-social { display: flex; justify-content: center; gap: .55rem; }
.team-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--light);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .76rem;
  transition: all .2s;
}
.team-social a:hover { background: var(--navy); color: var(--white); }

/* ── 19. NEWS CARDS ── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.news-thumb { height: 200px; overflow: hidden; }
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 1.4rem; }
.news-meta { display: flex; gap: 1rem; margin-bottom: .75rem; }
.news-meta span {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .74rem;
  color: var(--gray);
  font-family: var(--font-head);
  font-weight: 600;
}
.news-meta i { color: var(--orange); font-size: .68rem; }
.news-body h3 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; line-height: 1.35; }
.news-body h3 a:hover { color: var(--blue); }
.news-body p { font-size: .86rem; color: var(--gray-dk); margin-bottom: .8rem; line-height: 1.6; }

/* ── 20. TESTIMONIALS ── */
.testimonials-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.testimonial-card {
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  transition: background .25s;
}
.testimonial-card:hover { background: rgba(255,255,255,.09); }
.stars { color: var(--orange); font-size: .85rem; margin-bottom: 1rem; display: flex; gap: .2rem; }
.testimonial-card blockquote {
  font-size: .92rem;
  color: rgba(255,255,255,.85);
  font-style: italic;
  line-height: 1.78;
  margin-bottom: 1.35rem;
}
.reviewer { display: flex; align-items: center; gap: .9rem; }
.reviewer-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--orange);
  background: var(--navy-light);
  flex-shrink: 0;
}
.reviewer-name { font-family: var(--font-head); font-size: .88rem; font-weight: 700; color: var(--white); }
.reviewer-title { font-size: .78rem; color: var(--gray); }

/* ── 21. PARTNERS ROW ── */
.partners-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
}
.partner-logo {
  height: 52px;
  object-fit: contain;
  opacity: .55;
  filter: grayscale(1);
  transition: all .3s;
}
.partner-logo:hover { opacity: 1; filter: none; }

/* ── 22. PAGE HEADER ── */
.page-header {
  position: relative;
  background-color: var(--navy);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 5.5rem 0 3.5rem;
  text-align: center;
  color: var(--white);
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,22,40,.93) 0%, rgba(8,22,40,.78) 100%);
}
.page-header:not([style*="background-image"]) {
  background: linear-gradient(130deg, var(--navy) 0%, var(--navy-mid) 100%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header .section-tag { margin-bottom: .8rem; }
.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: .7rem;
  letter-spacing: -.02em;
}
.page-header p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.78);
  max-width: 580px;
  margin: 0 auto 1.6rem;
  line-height: 1.65;
}
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: .03em;
}
.breadcrumb a { color: var(--orange); }
.breadcrumb a:hover { text-decoration: underline; }
.sep { font-size: .6rem; color: rgba(255,255,255,.35); }

/* ── 23. CTA BAND ── */
.cta-band {
  background: linear-gradient(130deg, #0d2040 0%, var(--navy) 100%);
  padding: 4.5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(244,165,42,.14) 0%, transparent 65%);
  pointer-events: none;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.55rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: .8rem;
  letter-spacing: -.01em;
}
.cta-band p {
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin: 0 auto 2.25rem;
  font-size: .97rem;
  line-height: 1.7;
}
.cta-btns { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── 24. FOOTER ── */
footer {
  background: var(--navy);
  padding: 4.5rem 0 0;
  color: rgba(255,255,255,.68);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.1fr 1fr 1fr 1.6fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand .logo-wrap {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1rem;
}
.footer-brand .logo-wrap img { height: 46px; object-fit: contain; }
.ft-name { font-family: var(--font-head); font-size: .9rem; font-weight: 800; color: var(--white); line-height: 1.2; }
.ft-tag { font-size: .65rem; color: var(--orange); font-family: var(--font-head); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.footer-brand p { font-size: .84rem; line-height: 1.72; margin-bottom: 1.35rem; color: rgba(255,255,255,.6); }
.footer-social { display: flex; gap: .6rem; flex-wrap: wrap; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.65);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .84rem;
  transition: all .22s;
}
.footer-social a:hover { background: var(--orange); color: var(--navy); transform: translateY(-3px); }
.footer-col h4 {
  font-family: var(--font-head);
  font-size: .84rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.footer-links li { margin-bottom: .42rem; }
.footer-links a {
  font-size: .84rem;
  color: rgba(255,255,255,.58);
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  transition: color .2s, gap .2s;
}
.footer-links a:hover { color: var(--orange); gap: .6rem; }
.footer-links a i { font-size: .52rem; color: var(--orange); }
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .84rem;
  margin-bottom: .65rem;
  line-height: 1.55;
  color: rgba(255,255,255,.6);
}
.footer-contact-list i { color: var(--orange); margin-top: .22rem; flex-shrink: 0; font-size: .84rem; width: 14px; }
.footer-contact-list a:hover { color: var(--orange); }
.newsletter-form {
  display: flex;
  margin-top: .5rem;
  background: rgba(255,255,255,.06);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}
.newsletter-form input {
  flex: 1;
  padding: .62rem 1rem;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: .82rem;
  outline: none;
  min-width: 0;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.38); }
.newsletter-form button {
  padding: .62rem 1.15rem;
  background: var(--orange);
  color: var(--navy);
  font-weight: 800;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
}
.newsletter-form button:hover { background: var(--orange-dk); }
.footer-bottom { padding: 1.3rem 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom span { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--orange); }

/* ── 25. BACK TO TOP ── */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 46px;
  height: 46px;
  background: var(--orange);
  color: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  box-shadow: 0 4px 16px rgba(244,165,42,.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all .32s var(--ease);
  cursor: pointer;
  border: none;
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { background: var(--orange-dk); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(244,165,42,.55); }

/* ── 26. REVEAL ANIMATIONS ── */
.reveal, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity .72s var(--ease), transform .72s var(--ease);
}
.reveal        { transform: translateY(32px); }
.reveal-left   { transform: translateX(-42px); }
.reveal-right  { transform: translateX(42px); }
.reveal.revealed, .reveal-left.revealed, .reveal-right.revealed {
  opacity: 1;
  transform: translate(0);
}

/* ── 27. KEYFRAMES ── */
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: .55; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; transform: scale(.95); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.fa-spin { animation: spin 1s linear infinite; }

/* ── UTILITY GRID CLASSES ── */
.two-col-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.stats-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* ── 28A. LAPTOP (1025px – 1280px) ── */
@media (max-width: 1280px) and (min-width: 1025px) {
  .quick-info-grid                    { grid-template-columns: repeat(3, 1fr); }
  .gallery-preview-grid               { grid-template-columns: repeat(3, 1fr); }
  .gallery-preview-grid .gp-item.tall { grid-row: span 1; }
  .footer-grid                        { grid-template-columns: 1.8fr 1fr 1fr 1.4fr; gap: 2rem; }
  .about-strip                        { gap: 3rem; }
  .hero-content                       { gap: 2.5rem; }
  .exhibits-grid                      { grid-template-columns: repeat(2, 1fr); }
  .news-grid                          { grid-template-columns: repeat(2, 1fr); }
  .counters-row                       { gap: 1.5rem; }
}

/* ── 28. RESPONSIVE — TABLET (≤1024px) ── */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--nav-h) + 3rem);
  }
  .hero-visual { display: none; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-text > p { margin-left: auto; margin-right: auto; }

  .quick-info-grid { grid-template-columns: repeat(3, 1fr); }
  .exhibits-grid   { grid-template-columns: repeat(2, 1fr); }
  .news-grid       { grid-template-columns: repeat(2, 1fr); }
  .testimonials-track { grid-template-columns: repeat(2, 1fr); }
  .counters-row    { grid-template-columns: repeat(2, 1fr); }
  .team-grid       { grid-template-columns: repeat(2, 1fr); }
  .edu-grid        { grid-template-columns: repeat(2, 1fr); }
  .steps-grid      { grid-template-columns: repeat(2, 1fr); }
  .visit-strip-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .tour-options-grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .about-strip     { gap: 3rem; }
  .gallery-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-preview-grid .gp-item.tall { grid-row: span 1; }
}

/* ── 29. MOBILE NAVBAR (≤900px) ── */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(8,22,40,.98);
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: .25rem;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform .32s var(--ease), opacity .32s var(--ease), visibility .32s var(--ease);
    border-bottom: 2px solid var(--orange);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links li { width: 100%; }
  .nav-links a { padding: .78rem 1rem; border-radius: var(--radius); font-size: .88rem; }
  .nav-toggle { display: flex; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255,255,255,.05);
    margin-top: .2rem;
    border-top: none;
    padding-left: 1.2rem;
    border-radius: var(--radius);
  }
}

/* ── 30. RESPONSIVE — TABLET/MOBILE (≤768px) ── */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  section { padding: 3rem 0; }

  .about-strip,
  .about-strip.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 2rem;
  }
  .about-img-accent { display: none; }

  .visit-grid         { grid-template-columns: 1fr; }
  .contact-layout     { grid-template-columns: 1fr; }
  .form-row           { grid-template-columns: 1fr; }

  .exhibits-grid,
  .news-grid,
  .testimonials-track { grid-template-columns: 1fr; }
  .edu-grid           { grid-template-columns: 1fr; }
  .team-grid          { grid-template-columns: repeat(2, 1fr); }
  .counters-row       { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

  .gallery-masonry    { columns: 2 160px; }
  .gallery-preview-grid { grid-template-columns: repeat(2, 1fr); }

  .quick-info-grid    { grid-template-columns: repeat(2, 1fr); }
  .steps-grid         { grid-template-columns: repeat(2, 1fr); }
  .tour-options-grid  { grid-template-columns: 1fr; }
  .support-grid       { grid-template-columns: 1fr; }

  .footer-grid        { grid-template-columns: 1fr; gap: 2rem; }

  .cta-band           { padding: 3rem 0; }
  .cta-btns           { flex-direction: column; align-items: center; }
  .cta-btns .btn      { width: 100%; max-width: 320px; justify-content: center; }

  .timeline           { padding-left: 2rem; }
  .tl-item            { padding-left: 1.25rem; }

  .contact-form-wrap  { padding: 1.75rem; }
  .hero-content       { padding-bottom: 5rem; }
  .page-header        { padding: 3.5rem 0 2rem; }

  .map-embed iframe   { height: 260px; }

  .info-card          { padding: 1.4rem; }
  .tour-options-grid  { gap: 1.25rem; }

  .two-col-inner      { grid-template-columns: 1fr; }
  .stats-mini-grid    { grid-template-columns: 1fr 1fr; }
}

/* ── 31. RESPONSIVE — SMALL MOBILE (≤480px) ── */
@media (max-width: 480px) {

  .hero-text h1       { font-size: 2.1rem; }
  .hero-btns          { flex-direction: column; gap: .75rem; }
  .hero-btns .btn     { justify-content: center; width: 100%; }
  .hero-stats         { flex-direction: column; align-items: center; }
  .stat-card          { min-width: 180px; text-align: center; }

  .section-title      { font-size: 1.55rem; }
  .team-grid          { grid-template-columns: 1fr; }
  .gallery-masonry    { columns: 1; }
  .gallery-preview-grid { grid-template-columns: 1fr; }
  .gallery-preview-grid .gp-item.tall { grid-row: span 1; }
  .footer-grid        { gap: 1.5rem; }
  .quick-info-grid    { grid-template-columns: 1fr; }
  .steps-grid         { grid-template-columns: 1fr; }
  .counters-row       { grid-template-columns: 1fr; }
  .resources-grid     { grid-template-columns: 1fr; }
  .two-col-inner      { grid-template-columns: 1fr; }
  .stats-mini-grid    { grid-template-columns: 1fr; }
}

/* ── 32. ACCESSIBILITY ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── 33. PRINT ── */
@media print {
  #navbar, .ticker-bar, #back-to-top, .lightbox-overlay, .cta-band, footer { display: none !important; }
  body { padding-top: 0; }
  .page-header { padding-top: 2rem; }
  section { padding: 2rem 0; }
  .reveal, .reveal-left, .reveal-right { opacity: 1 !important; transform: none !important; }
}