/* =====================================================
   Aviation Museum Nepal — Main Stylesheet
   ===================================================== */

/* ----- Google Fonts imported via <link> in HTML ----- */

/* ----- CSS Variables ----- */
:root {
  --navy-deep:   #0a1628;
  --navy-mid:    #1a3a5c;
  --navy-light:  #2d5986;
  --sky-blue:    #0ea5e9;
  --sky-light:   #38bdf8;
  --orange:      #e85d04;
  --orange-light:#f97316;
  --white:       #ffffff;
  --gray-50:     #f8fafc;
  --gray-100:    #f1f5f9;
  --gray-200:    #e2e8f0;
  --gray-300:    #cbd5e1;
  --gray-400:    #94a3b8;
  --gray-500:    #64748b;
  --gray-600:    #475569;
  --gray-700:    #334155;
  --gray-900:    #0f172a;

  --font-heading:'Montserrat', sans-serif;
  --font-body:   'Open Sans', sans-serif;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.10);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.15);
  --shadow-xl:   0 16px 48px rgba(0,0,0,0.20);

  --transition:  all 0.3s ease;
  --radius:      8px;
  --radius-lg:   16px;
}

/* ----- Reset & Base ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html   { scroll-behavior: smooth; font-size: 16px; }
body   { font-family: var(--font-body); color: var(--gray-700); background: var(--white); line-height: 1.6; }
img    { max-width: 100%; height: auto; display: block; }
a      { text-decoration: none; color: inherit; }
ul     { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ----- Typography ----- */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--navy-deep); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { margin-bottom: 1rem; color: var(--gray-600); }

/* ----- Utilities ----- */
.container    { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section-pad  { padding: 80px 0; }
.section-pad-lg { padding: 100px 0; }
.text-center  { text-align: center; }

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sky-blue);
  margin-bottom: 0.75rem;
}
.divider {
  width: 56px; height: 4px;
  background: var(--orange);
  border-radius: 2px;
  margin: 1.25rem 0 2rem;
}
.divider.center { margin: 1.25rem auto 2rem; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 14px 28px; border-radius: 4px;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.5px; transition: var(--transition); cursor: pointer;
}
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,93,4,0.4);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover { background: var(--white); color: var(--navy-deep); border-color: var(--white); }
.btn-navy { background: var(--navy-deep); color: var(--white); }
.btn-navy:hover { background: var(--navy-mid); transform: translateY(-2px); }
.btn-sky  { background: var(--sky-blue); color: var(--white); }
.btn-sky:hover { background: var(--sky-light); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* =====================================================
   NAVIGATION
   ===================================================== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 1000; transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: var(--navy-deep);
  box-shadow: 0 2px 20px rgba(0,0,0,0.35);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem; max-width: 1400px; margin: 0 auto;
}

/* Logo */
.nav-logo { display: flex; align-items: center; gap: 0.75rem; }
.nav-logo-icon {
  width: 40px; height: 40px;
  background: var(--orange); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; color: var(--white);
}
.nav-logo-text  { display: flex; flex-direction: column; }
.nav-logo-name  { font-family: var(--font-heading); font-weight: 800; font-size: 1rem; color: var(--white); line-height: 1; }
.nav-logo-sub   { font-size: 0.65rem; color: var(--sky-light); letter-spacing: 2px; text-transform: uppercase; font-family: var(--font-heading); }

/* Menu */
.nav-menu { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
  font-family: var(--font-heading); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.5px;
  color: rgba(255,255,255,0.85);
  padding: 0.45rem 0.7rem; border-radius: 4px;
  transition: var(--transition); text-transform: uppercase;
}
.nav-link:hover,
.nav-link.active { color: var(--white); background: rgba(255,255,255,0.12); }
.nav-cta { background: var(--orange) !important; color: var(--white) !important; padding: 0.5rem 1.1rem !important; margin-left: 0.5rem; }
.nav-cta:hover { background: var(--orange-light) !important; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 5px; z-index: 1001; }
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--white); transition: var(--transition); border-radius: 2px; display: block;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* =====================================================
   HERO SECTION (Home)
   ===================================================== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: linear-gradient(150deg, var(--navy-deep) 0%, #0d2a4a 45%, #0b2440 70%, #091e38 100%);
  overflow: hidden;
}
.hero-glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 50%, rgba(14,165,233,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.06) 1px, transparent 1px);
  background-size: 70px 70px;
  pointer-events: none;
}
.hero-plane-bg {
  position: absolute; right: -80px; bottom: 60px;
  font-size: clamp(200px, 35vw, 480px);
  color: rgba(255,255,255,0.035);
  line-height: 1; pointer-events: none;
  transform: rotate(-12deg);
  user-select: none;
}
.intro-image1 {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: 20px;
  overflow: hidden;
}

.intro-image1 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  padding: 0 1.5rem; padding-top: 110px; padding-bottom: 80px;
  width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(14,165,233,0.15);
  border: 1px solid rgba(14,165,233,0.35);
  color: var(--sky-light);
  padding: 0.4rem 1rem; border-radius: 50px;
  font-size: 0.75rem; font-family: var(--font-heading);
  font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 1.75rem;
}
.hero h1 { color: var(--white); max-width: 820px; margin-bottom: 1.5rem; font-weight: 800; }
.hero h1 .highlight { color: var(--sky-light); }
.hero-subtitle {
  font-size: 1.1rem; color: rgba(255,255,255,0.72);
  max-width: 580px; margin-bottom: 2.5rem; line-height: 1.75;
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 4rem; }
.hero-divider { width: 100%; height: 1px; background: rgba(255,255,255,0.1); margin: 3rem 0; max-width: 700px; }
.hero-stats { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.hero-stat h3 { font-size: 2rem; color: var(--white); margin: 0; }
.hero-stat p  { font-size: 0.75rem; color: rgba(255,255,255,0.55); margin: 0.25rem 0 0; letter-spacing: 1.5px; text-transform: uppercase; font-family: var(--font-heading); }
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  color: rgba(255,255,255,0.4); font-size: 0.7rem;
  font-family: var(--font-heading); letter-spacing: 2px; text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* =====================================================
   PAGE BANNER (Internal Pages)
   ===================================================== */
.page-banner {
  background: linear-gradient(140deg, var(--navy-deep) 0%, var(--navy-mid) 60%, #1e4d7a 100%);
  padding: 140px 0 80px; position: relative; overflow: hidden;
}
.page-banner::before {
  content: '✈'; position: absolute;
  right: 5%; top: 50%; transform: translateY(-50%);
  font-size: 18rem; color: rgba(255,255,255,0.04);
  line-height: 1; pointer-events: none;
}
.page-banner::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(14,165,233,0.12) 0%, transparent 70%);
}
.page-banner .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  color: rgba(255,255,255,0.5); font-size: 0.82rem;
  font-family: var(--font-heading); margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--sky-light); transition: var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb i { font-size: 0.65rem; }
.page-banner h1 { color: var(--white); margin-bottom: 1rem; }
.page-banner > .container > p,
.page-banner .banner-desc { color: rgba(255,255,255,0.68); font-size: 1.05rem; max-width: 580px; }

/* =====================================================
   INTRO SECTION (Home)
   ===================================================== */
.intro-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.intro-visual { position: relative; }
.intro-image {
  height: 480px;
  background: linear-gradient(135deg, var(--navy-mid) 0%, #0d558a 50%, var(--sky-blue) 100%);
  border-radius: var(--radius-lg); display: flex;
  align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.intro-image::before {
  content: '✈'; font-size: 14rem; color: rgba(255,255,255,0.12);
  transform: rotate(-20deg); pointer-events: none;
}
.intro-badge {
  position: absolute; bottom: 1.75rem; left: 1.75rem;
  background: var(--orange); color: var(--white);
  padding: 1rem 1.5rem; border-radius: var(--radius);
  font-family: var(--font-heading);
}
.intro-badge strong { display: block; font-size: 1.4rem; font-weight: 800; line-height: 1; }
.intro-badge span   { font-size: 0.75rem; opacity: 0.9; letter-spacing: 0.5px; }
.intro-content .section-label { display: block; }
.intro-content p { font-size: 1rem; line-height: 1.8; }
.intro-bullets { display: flex; flex-direction: column; gap: 0.85rem; margin-top: 1.5rem; }
.intro-bullet {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.875rem 1.25rem;
  background: var(--gray-50); border-radius: var(--radius);
  border-left: 3px solid var(--sky-blue);
}
.intro-bullet i { color: var(--sky-blue); font-size: 1.15rem; width: 20px; }
.intro-bullet span { font-size: 0.9rem; color: var(--gray-700); font-weight: 500; }

/* =====================================================
   FEATURE CARDS (Home)
   ===================================================== */
.feature-cards { background: var(--gray-50); }
.cards-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem;
}
.feature-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.card-img {
  height: 190px; position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 4.5rem; overflow: hidden;
}
.card-img-visit     { background: linear-gradient(135deg,#1a3a5c,#0ea5e9); }
.card-img-exhibits  { background: linear-gradient(135deg,#0a1628,#2d5986); }
.card-img-education { background: linear-gradient(135deg,#064e3b,#0d9488); }
.card-img-gallery   { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.card-img span { opacity: 0.35; color: white; }
.card-body { padding: 1.5rem; }
.card-body h3 { margin-bottom: 0.6rem; font-size: 1.05rem; }
.card-body p  { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 1.25rem; }
.card-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.8rem;
  color: var(--orange); text-transform: uppercase; letter-spacing: 0.5px;
  transition: var(--transition);
}
.card-link:hover { gap: 0.75rem; color: var(--orange-light); }

/* =====================================================
   HIGHLIGHT SECTION
   ===================================================== */
.highlight { background: var(--navy-deep); }
.highlight-grid {
  display: grid; grid-template-columns: 1fr 1fr; min-height: 520px;
}
.highlight-visual {
  background: linear-gradient(135deg, #0d2a4a 0%, var(--navy-light) 50%, var(--sky-blue) 100%);
  position: relative; min-height: 400px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.highlight-visual::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(10,22,40,0.35);
}
.highlight-visual-icon {
  position: relative; z-index: 1;
  font-size: 10rem; color: rgba(255,255,255,0.45);
  transform: rotate(-15deg);
}
.highlight-content {
  padding: 5rem 4rem; display: flex; flex-direction: column; justify-content: center;
}
.highlight-content .section-label { color: var(--sky-light); }
.highlight-content h2 { color: var(--white); margin-bottom: 1.25rem; }
.highlight-content > p { color: rgba(255,255,255,0.68); font-size: 1rem; margin-bottom: 2rem; }
.highlight-features { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.hf-item { display: flex; align-items: flex-start; gap: 0.875rem; }
.hf-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(14,165,233,0.18); border: 1px solid rgba(14,165,233,0.3);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  color: var(--sky-light); font-size: 1.1rem;
}
.hf-text h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 0.2rem; }
.hf-text p  { color: rgba(255,255,255,0.5); font-size: 0.8rem; margin: 0; }

/* =====================================================
   EDUCATION SECTION (Home)
   ===================================================== */
.education-home { background: var(--white); }
.education-home-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.edu-visual {
  height: 460px;
  background: linear-gradient(135deg, #064e3b 0%, #0d9488 50%, #0ea5e9 100%);
  border-radius: var(--radius-lg); position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.edu-visual::before { content: '🎓'; font-size: 10rem; opacity: 0.2; }
.edu-visual .edu-stat-pill {
  position: absolute; top: 2rem; right: 2rem;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(4px); color: white;
  padding: 0.75rem 1.25rem; border-radius: 50px;
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 700;
}
.edu-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.75rem; }
.edu-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--gray-50);
  border-radius: var(--radius); border-left: 3px solid var(--sky-blue);
  transition: var(--transition);
}
.edu-item:hover { background: var(--sky-blue); border-color: var(--sky-blue); }
.edu-item:hover i, .edu-item:hover span { color: white !important; }
.edu-item i    { color: var(--sky-blue); font-size: 1.2rem; width: 22px; flex-shrink: 0; }
.edu-item span { font-size: 0.9rem; color: var(--gray-700); font-weight: 500; }

/* =====================================================
   GALLERY PREVIEW (Home)
   ===================================================== */
.gallery-preview { background: var(--gray-50); }
.gallery-grid-home {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 250px 250px;
  gap: 1rem;
}
.gallery-item-home {
  border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.gallery-item-home:first-child { grid-column: 1 / 3; }
.gallery-item-home .g-icon { font-size: 5rem; opacity: 0.25; color: white; pointer-events: none; }
.gallery-item-home .g-overlay {
  position: absolute; inset: 0;
  background: rgba(10,22,40,0.65);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem;
  opacity: 0; transition: var(--transition);
}
.gallery-item-home:hover .g-overlay { opacity: 1; }
.gallery-item-home .g-overlay i { color: white; font-size: 1.75rem; }
.gallery-item-home .g-overlay p { color: rgba(255,255,255,0.9); font-size: 0.8rem; margin: 0; font-family: var(--font-heading); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.gi-1 { background: linear-gradient(135deg,#1a3a5c,#0ea5e9); }
.gi-2 { background: linear-gradient(135deg,#0a1628,#2d5986); }
.gi-3 { background: linear-gradient(135deg,#7c2d12,#ea580c); }
.gi-4 { background: linear-gradient(135deg,#064e3b,#059669); }
.gi-5 { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.gallery-cta { text-align: center; margin-top: 2.5rem; }

/* =====================================================
   CTA SECTION (Home)
   ===================================================== */
.cta-section {
  background: linear-gradient(135deg, var(--orange) 0%, #b84503 100%);
  padding: 90px 0; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '✈'; position: absolute; right: 3%; top: 50%;
  transform: translateY(-50%); font-size: 18rem;
  color: rgba(255,255,255,0.08); pointer-events: none; line-height: 1;
}
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p  { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 560px; margin: 0 auto 2.5rem; }
.cta-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }

/* =====================================================
   ABOUT PAGE
   ===================================================== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.about-visual {
  height: 500px;
  background: linear-gradient(135deg, var(--navy-mid), var(--sky-blue));
  border-radius: var(--radius-lg); position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.about-visual::before { content: '✈'; font-size: 14rem; color: rgba(255,255,255,0.12); transform: rotate(-20deg); }
.about-visual-badge {
  position: absolute; bottom: 2rem; right: 2rem;
  background: var(--orange); color: white;
  padding: 1rem 1.5rem; border-radius: var(--radius);
  font-family: var(--font-heading); text-align: center;
}
.about-visual-badge strong { display: block; font-size: 1.3rem; }
.about-visual-badge small  { font-size: 0.75rem; opacity: 0.9; }

.mission-cards {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; margin-top: 3rem;
}
.mission-card {
  padding: 2rem; background: var(--white);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--sky-blue);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.mission-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.mission-card i  { font-size: 2rem; color: var(--sky-blue); margin-bottom: 1rem; display: block; }
.mission-card h3 { margin-bottom: 0.75rem; font-size: 1.05rem; }
.mission-card p  { font-size: 0.875rem; color: var(--gray-500); margin: 0; }

/* Timeline */
.timeline { position: relative; padding: 2rem 0; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: var(--gray-200); transform: translateX(-50%);
}
.timeline-item {
  display: grid; grid-template-columns: 1fr 60px 1fr;
  align-items: center; gap: 1rem; margin-bottom: 3rem;
}
.timeline-content {
  background: var(--white); padding: 1.5rem;
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}
.timeline-content h3 { font-size: 1rem; color: var(--navy-deep); margin-bottom: 0.35rem; }
.timeline-content p  { font-size: 0.875rem; color: var(--gray-500); margin: 0; }
.timeline-content.right { text-align: right; }
.timeline-year {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--orange); display: flex; align-items: center; justify-content: center;
  color: white; font-family: var(--font-heading); font-weight: 700; font-size: 0.75rem;
  text-align: center; line-height: 1.2; z-index: 1; position: relative;
}
.empty-cell { opacity: 0; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.team-card {
  text-align: center; padding: 2.5rem 2rem;
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-avatar {
  width: 90px; height: 90px;
  background: linear-gradient(135deg, var(--navy-mid), var(--sky-blue));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem; font-size: 2.2rem; color: rgba(255,255,255,0.7);
}
.team-card h3     { margin-bottom: 0.2rem; font-size: 1.05rem; }
.team-card .role  { color: var(--sky-blue); font-size: 0.8rem; font-family: var(--font-heading); font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.5px; }
.team-card p      { font-size: 0.875rem; color: var(--gray-500); margin: 0; }

/* =====================================================
   EXHIBITS PAGE
   ===================================================== */
.exhibit-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center;
  padding: 4rem 0; border-bottom: 1px solid var(--gray-200);
}
.exhibit-item:last-child { border-bottom: none; }
.exhibit-item.reverse .exhibit-visual { order: 2; }
.exhibit-item.reverse .exhibit-content { order: 1; }
.exhibit-visual {
  height: 360px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 9rem; color: rgba(255,255,255,0.35); overflow: hidden; position: relative;
}
.exhibit-visual::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.15);
}
.ev-1 { background: linear-gradient(135deg,#0a1628,#2d5986); }
.ev-2 { background: linear-gradient(135deg,#1a3a5c,#0ea5e9); }
.ev-3 { background: linear-gradient(135deg,#7c2d12,#ea580c); }
.ev-4 { background: linear-gradient(135deg,#064e3b,#0d9488); }
.ev-5 { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.exhibit-content h2 { font-size: 1.75rem; margin-bottom: 1rem; }
.exhibit-content p  { font-size: 0.95rem; line-height: 1.8; margin-bottom: 1.5rem; }
.exhibit-tags       { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  display: inline-block; padding: 0.3rem 0.9rem;
  border-radius: 50px; font-size: 0.75rem;
  font-family: var(--font-heading); font-weight: 700;
}
.tag-sky    { background: rgba(14,165,233,0.12); color: var(--sky-blue); }
.tag-navy   { background: rgba(10,22,40,0.08); color: var(--navy-mid); }
.tag-orange { background: rgba(232,93,4,0.12); color: var(--orange); }

/* =====================================================
   EDUCATION PAGE
   ===================================================== */
.edu-stats-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; margin-bottom: 4rem;
}
.edu-stat-card {
  text-align: center; padding: 2rem 1.5rem;
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border-bottom: 3px solid var(--sky-blue);
}
.edu-stat-card h3 { font-size: 2.5rem; color: var(--orange); margin-bottom: 0.25rem; }
.edu-stat-card p  { font-size: 0.8rem; color: var(--gray-500); margin: 0; text-transform: uppercase; letter-spacing: 1px; font-family: var(--font-heading); font-weight: 600; }

.programs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.program-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.program-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.program-header { padding: 1.75rem 1.75rem 1rem; display: flex; align-items: center; gap: 1rem; }
.prog-icon {
  width: 54px; height: 54px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: white; flex-shrink: 0;
}
.prog-icon.blue   { background: var(--sky-blue); }
.prog-icon.navy   { background: var(--navy-mid); }
.prog-icon.orange { background: var(--orange); }
.prog-icon.teal   { background: #0d9488; }
.prog-icon.purple { background: #7c3aed; }
.prog-icon.green  { background: #059669; }
.program-header h3 { margin: 0; font-size: 1rem; }
.program-body { padding: 0 1.75rem 1.75rem; }
.program-body p  { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 1rem; }
.program-body ul { display: flex; flex-direction: column; gap: 0.5rem; }
.program-body li {
  font-size: 0.875rem; color: var(--gray-600);
  display: flex; align-items: center; gap: 0.75rem;
}
.program-body li::before { content: '✓'; color: var(--sky-blue); font-weight: 700; flex-shrink: 0; }

.school-visit-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.sv-visual {
  height: 420px;
  background: linear-gradient(135deg,#1a3a5c,#0ea5e9);
  border-radius: var(--radius-lg); display: flex;
  align-items: center; justify-content: center; font-size: 9rem;
  color: rgba(255,255,255,0.3); overflow: hidden;
}

/* =====================================================
   GALLERY PAGE
   ===================================================== */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem; }
.filter-btn {
  padding: 0.5rem 1.25rem; border-radius: 50px;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.8rem;
  border: 2px solid var(--gray-200); color: var(--gray-600);
  transition: var(--transition); background: transparent;
}
.filter-btn:hover,
.filter-btn.active { background: var(--navy-deep); color: var(--white); border-color: var(--navy-deep); }

.full-gallery-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem;
}
.gallery-card {
  height: 255px; border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer;
}
.gallery-card .g-icon { font-size: 5rem; opacity: 0.25; color: white; pointer-events: none; }
.gallery-card .g-overlay {
  position: absolute; inset: 0;
  background: rgba(10,22,40,0.72);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; opacity: 0; transition: var(--transition);
}
.gallery-card:hover .g-overlay { opacity: 1; }
.gallery-card .g-overlay i  { color: white; font-size: 1.5rem; }
.gallery-card .g-overlay p  { color: rgba(255,255,255,0.9); font-size: 0.8rem; margin: 0; font-family: var(--font-heading); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.gc-1  { background: linear-gradient(135deg,#0a1628,#2d5986); }
.gc-2  { background: linear-gradient(135deg,#1a3a5c,#0ea5e9); }
.gc-3  { background: linear-gradient(135deg,#0d2f52,#0ea5e9); }
.gc-4  { background: linear-gradient(135deg,#0a1628,#1e4d7a); }
.gc-5  { background: linear-gradient(135deg,#7c2d12,#ea580c); }
.gc-6  { background: linear-gradient(135deg,#7c3502,#f97316); }
.gc-7  { background: linear-gradient(135deg,#064e3b,#059669); }
.gc-8  { background: linear-gradient(135deg,#4c1d95,#7c3aed); }
.gc-9  { background: linear-gradient(135deg,#1e1b4b,#4338ca); }
.gc-10 { background: linear-gradient(135deg,#1a3a5c,#0d9488); }
.gc-11 { background: linear-gradient(135deg,#831843,#ec4899); }
.gc-12 { background: linear-gradient(135deg,#1c1917,#57534e); }
.gallery-card { display: flex; align-items: center; justify-content: center; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.95); z-index: 9999;
  display: none; align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lb-inner {
  max-width: 700px; width: 90%;
  background: var(--navy-deep); border-radius: var(--radius-lg);
  padding: 2rem; position: relative;
}
.lb-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 36px; height: 36px; background: rgba(255,255,255,0.12);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1rem; transition: var(--transition); cursor: pointer;
}
.lb-close:hover { background: var(--orange); }
.lb-img { height: 380px; border-radius: var(--radius); margin-bottom: 1rem; display: flex; align-items: center; justify-content: center; font-size: 7rem; color: rgba(255,255,255,0.3); }
.lb-caption { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* =====================================================
   VISIT PAGE
   ===================================================== */
.visit-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; align-items: start; }

.info-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 2rem; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); margin-bottom: 1.5rem;
}
.info-box h3 {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--navy-deep); margin-bottom: 1.5rem; font-size: 1.1rem;
}
.info-box h3 i { color: var(--sky-blue); }

.hours-list { display: flex; flex-direction: column; gap: 0.6rem; }
.hours-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 0.875rem;
  background: var(--gray-50); border-radius: var(--radius);
}
.hours-row .day   { font-family: var(--font-heading); font-weight: 600; font-size: 0.875rem; color: var(--navy-deep); }
.hours-row .time  { color: var(--sky-blue); font-weight: 700; font-size: 0.875rem; font-family: var(--font-heading); }
.hours-row .closed { color: var(--gray-400); font-size: 0.875rem; font-style: italic; }

.ticket-list { display: flex; flex-direction: column; gap: 0.75rem; }
.ticket-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem; border: 1px solid var(--gray-200); border-radius: var(--radius);
  transition: var(--transition);
}
.ticket-row:hover { border-color: var(--sky-blue); background: var(--gray-50); }
.ticket-name  { font-weight: 600; color: var(--navy-deep); font-size: 0.9rem; }
.ticket-price { color: var(--orange); font-family: var(--font-heading); font-weight: 800; font-size: 1.1rem; }

.guidelines-list { display: flex; flex-direction: column; gap: 0.5rem; }
.guideline {
  display: flex; align-items: flex-start; gap: 0.875rem;
  padding: 0.75rem; border-radius: var(--radius);
}
.guideline i { color: var(--sky-blue); margin-top: 0.15rem; flex-shrink: 0; font-size: 0.9rem; }
.guideline p { font-size: 0.875rem; color: var(--gray-600); margin: 0; }

.map-placeholder {
  height: 340px; background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; color: var(--gray-400);
  border: 2px dashed var(--gray-300); text-align: center;
}
.map-placeholder i { font-size: 3rem; }
.map-placeholder p { margin: 0; font-size: 0.875rem; }
.map-placeholder small { font-size: 0.78rem; color: var(--gray-300); }

.getting-there-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.transport-card {
  padding: 1.75rem; background: var(--white);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200); text-align: center;
  transition: var(--transition);
}
.transport-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.transport-icon {
  width: 60px; height: 60px; margin: 0 auto 1.25rem;
  background: var(--navy-deep); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--sky-light);
}
.transport-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.transport-card p  { font-size: 0.875rem; color: var(--gray-500); margin: 0; }

/* =====================================================
   CONTACT PAGE
   ===================================================== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }

.contact-form-card {
  background: var(--white); padding: 2.5rem;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block; font-family: var(--font-heading); font-weight: 700;
  font-size: 0.78rem; color: var(--navy-deep); margin-bottom: 0.5rem;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--gray-700);
  transition: var(--transition); background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--sky-blue);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.contact-info-stack { display: flex; flex-direction: column; gap: 1.25rem; }
.cinfo-card {
  background: var(--white); padding: 1.75rem;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex; align-items: flex-start; gap: 1.25rem;
  transition: var(--transition);
}
.cinfo-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cinfo-icon {
  width: 50px; height: 50px; flex-shrink: 0;
  background: var(--navy-deep); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--sky-light); font-size: 1.2rem;
}
.cinfo-text h4 { margin-bottom: 0.2rem; color: var(--navy-deep); font-size: 0.95rem; }
.cinfo-text p, .cinfo-text a { color: var(--gray-600); font-size: 0.9rem; margin: 0; }
.cinfo-text a:hover { color: var(--sky-blue); }

.social-row { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.social-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gray-100); display: flex; align-items: center; justify-content: center;
  color: var(--gray-600); font-size: 1rem; transition: var(--transition);
}
.social-btn:hover { background: var(--navy-deep); color: white; }

/* =====================================================
   FOOTER
   ===================================================== */
footer { background: var(--gray-900); color: var(--gray-400); }
.footer-main { padding: 64px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }

.footer-brand .nav-logo { margin-bottom: 1.25rem; }
.footer-desc { font-size: 0.875rem; color: var(--gray-500); line-height: 1.75; max-width: 280px; }
.footer-social { display: flex; gap: 0.6rem; margin-top: 1.5rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-500); font-size: 0.875rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--sky-blue); color: white; }

.footer-col h4 {
  font-family: var(--font-heading); font-size: 0.78rem;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--white); margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  font-size: 0.875rem; color: var(--gray-500);
  transition: var(--transition); display: flex; align-items: center; gap: 0.5rem;
}
.footer-links a:hover { color: var(--sky-light); padding-left: 4px; }

.footer-contact-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  margin-bottom: 0.75rem; font-size: 0.875rem; color: var(--gray-500);
}
.footer-contact-item i { color: var(--sky-blue); margin-top: 0.1rem; flex-shrink: 0; font-size: 0.9rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06); padding: 1.5rem 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: var(--gray-600);
}
.footer-bottom a { color: var(--sky-blue); }

/* =====================================================
   SCROLL ANIMATIONS
   ===================================================== */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transition: opacity 0.65s ease; }
.fade-in.visible { opacity: 1; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .cards-grid         { grid-template-columns: repeat(2,1fr); }
  .intro-grid         { grid-template-columns: 1fr; gap: 2.5rem; }
  .education-home-grid{ grid-template-columns: 1fr; gap: 2.5rem; }
  .about-grid         { grid-template-columns: 1fr; gap: 2.5rem; }
  .mission-cards      { grid-template-columns: 1fr; }
  .highlight-grid     { grid-template-columns: 1fr; }
  .team-grid          { grid-template-columns: repeat(2,1fr); }
  .programs-grid      { grid-template-columns: repeat(2,1fr); }
  .edu-stats-grid     { grid-template-columns: repeat(2,1fr); }
  .exhibit-item       { grid-template-columns: 1fr; gap: 2rem; }
  .exhibit-item.reverse .exhibit-visual,
  .exhibit-item.reverse .exhibit-content { order: unset; }
  .visit-layout       { grid-template-columns: 1fr; }
  .contact-layout     { grid-template-columns: 1fr; }
  .full-gallery-grid  { grid-template-columns: repeat(2,1fr); }
  .footer-grid        { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .timeline::before   { left: 25px; }
  .timeline-item      { grid-template-columns: 0 50px 1fr; }
  .timeline-content.right { text-align: left; }
  .school-visit-grid  { grid-template-columns: 1fr; }
  .getting-there-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }

  .nav-menu {
    display: none; position: fixed; inset: 0;
    background: var(--navy-deep); flex-direction: column;
    align-items: center; justify-content: center;
    gap: 1.5rem; z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-link { font-size: 1.1rem; padding: 0.75rem 2rem; }
  .nav-cta  { margin-top: 1rem; }
  .nav-toggle { display: flex; }

  .hero-stats { display: none; }
  .hero-divider { display: none; }

  .gallery-grid-home { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .gallery-item-home:first-child { grid-column: 1 / -1; height: 220px; }
  .gallery-item-home { height: 180px; }

  .cards-grid { grid-template-columns: 1fr; }
  .team-grid  { grid-template-columns: 1fr; }
  .programs-grid { grid-template-columns: 1fr; }
  .edu-stats-grid { grid-template-columns: repeat(2,1fr); }
  .highlight-content { padding: 3rem 1.5rem; }
  .highlight-features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .getting-there-grid { grid-template-columns: 1fr; }
  .mission-cards { grid-template-columns: 1fr; }
  .full-gallery-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .cta-buttons  { flex-direction: column; align-items: center; }
  .gallery-grid-home { grid-template-columns: 1fr; }
  .gallery-item-home:first-child { grid-column: 1; }
  .full-gallery-grid  { grid-template-columns: 1fr; }
  .edu-stats-grid { grid-template-columns: 1fr; }
}