/* ============================================
   J.N.S.D. Education Centre — Premium Stylesheet
   Design System: Academic Excellence & Digital Prestige
   "The Modern Archivist" — Navy & Gold
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Primary Palette */
  --navy: #04122e;
  --navy-deep: #0a1628;
  --navy-mid: #1a2744;
  --navy-light: #2c3b5e;
  --navy-soft: #3a4665;
  
  /* Gold / Secondary */
  --gold: #d4a843;
  --gold-bright: #fece65;
  --gold-dim: #eec058;
  --gold-muted: #b8952f;
  --gold-dark: #795900;
  --gold-glow: rgba(212, 168, 67, 0.3);
  --gold-gradient: linear-gradient(135deg, #795900, #d4a843, #fece65);
  --gold-btn-gradient: linear-gradient(135deg, #b8952f, #d4a843, #fece65);
  
  /* Surfaces */
  --surface: #f9f9fc;
  --surface-container: #eeeef0;
  --surface-container-low: #f3f3f6;
  --surface-container-lowest: #ffffff;
  --surface-container-high: #e8e8ea;
  --surface-dim: #dadadc;
  
  /* Text */
  --on-surface: #1a1c1e;
  --on-surface-variant: #45464d;
  --outline: #75777e;
  --outline-variant: #c5c6ce;
  
  /* Status */
  --success: #2e7d32;
  --error: #ba1a1a;
  
  /* Typography */
  --font-display: 'Noto Serif', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows — "Ambient Light" */
  --shadow-ambient: 0px 20px 40px rgba(26, 28, 30, 0.06);
  --shadow-soft: 0px 4px 20px rgba(26, 28, 30, 0.04);
  --shadow-gold: 0px 8px 32px rgba(212, 168, 67, 0.2);
  --shadow-elevated: 0px 12px 48px rgba(4, 18, 46, 0.12);
  
  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- CSS Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Preloader --- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-inner { text-align: center; }

.preloader-logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold);
  margin-bottom: var(--space-6);
  animation: preloaderPulse 1.5s ease infinite;
}

@keyframes preloaderPulse {
  0%, 100% { box-shadow: 0 0 0 0px var(--gold-glow); }
  50% { box-shadow: 0 0 0 20px rgba(212,168,67,0); }
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.preloader-fill {
  height: 100%;
  width: 0%;
  background: var(--gold-btn-gradient);
  border-radius: var(--radius-full);
  animation: preloaderFill 1.8s var(--ease-out) forwards;
}
@keyframes preloaderFill { to { width: 100%; } }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  background: rgba(249, 249, 252, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 198, 206, 0.15);
  transition: all 0.4s var(--ease-out);
}
.navbar.scrolled {
  padding: var(--space-2) 0;
  box-shadow: var(--shadow-soft);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
  transition: transform 0.3s var(--ease-spring);
}
.nav-brand:hover .nav-logo { transform: scale(1.1) rotate(5deg); }

.nav-brand-text { display: flex; flex-direction: column; }
.nav-school-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.nav-school-tagline {
  font-size: 0.65rem;
  color: var(--gold-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  color: var(--on-surface-variant);
}
.nav-link:hover,
.nav-link.active {
  color: var(--navy);
  background: rgba(26, 39, 68, 0.05);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gold);
  border-radius: var(--radius-full);
}

.nav-cta {
  background: var(--gold-btn-gradient) !important;
  color: #261a00 !important;
  font-weight: 700;
  border-radius: var(--radius-full) !important;
  padding: var(--space-2) var(--space-5) !important;
  box-shadow: var(--shadow-gold);
  transition: all 0.3s var(--ease-spring) !important;
}
.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0px 12px 32px rgba(212,168,67,0.35) !important;
}
.nav-cta::after { display: none !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(165deg, var(--navy-deep) 0%, var(--navy) 40%, var(--navy-mid) 75%, var(--navy-light) 100%);
  overflow: hidden;
  padding: var(--space-20) var(--space-6);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(212,168,67,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(185,198,235,0.06) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(212,168,67,0.05) 0%, transparent 40%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: var(--space-8);
}
.hero-badge i { color: var(--gold); }

.hero-crest {
  margin-bottom: var(--space-8);
}
.hero-crest-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(212,168,67,0.5);
  box-shadow: 0 0 60px rgba(212,168,67,0.15), var(--shadow-ambient);
  margin: 0 auto;
  transition: transform 0.5s var(--ease-spring);
}
.hero-crest-img:hover { transform: scale(1.05) rotate(3deg); }

.hero-title {
  font-family: var(--font-display);
  color: #ffffff;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}
.hero-title-line-1 {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #d9e2ff 50%, #b9c6eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.hero-title-line-2 {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  background: linear-gradient(135deg, #d4a843, #fece65);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.01em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
  margin-bottom: var(--space-10);
  letter-spacing: 0.02em;
}

/* Admission Badge */
.hero-admission-badge {
  display: inline-block;
  position: relative;
  margin-bottom: var(--space-10);
}
.admission-badge-glow {
  position: absolute;
  inset: -8px;
  background: var(--gold-btn-gradient);
  border-radius: var(--radius-xl);
  opacity: 0.3;
  filter: blur(16px);
  animation: badgeGlow 3s ease infinite alternate;
}
@keyframes badgeGlow {
  from { opacity: 0.2; transform: scale(0.95); }
  to { opacity: 0.4; transform: scale(1.05); }
}

.admission-badge-content {
  position: relative;
  background: linear-gradient(145deg, rgba(26,39,68,0.95), rgba(4,18,46,0.95));
  border: 2px solid rgba(212,168,67,0.4);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-10);
  text-align: center;
  backdrop-filter: blur(8px);
}
.admission-badge-top {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-dim);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.admission-badge-year {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #d4a843, #fece65);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.admission-badge-classes {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* Hero CTAs */
.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease-spring);
  letter-spacing: 0.02em;
}

.btn-gold {
  background: var(--gold-btn-gradient);
  color: #261a00;
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0px 16px 40px rgba(212,168,67,0.4);
}

.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.15);
  font-family: var(--font-display);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}
.stat-plus {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}
.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  margin: var(--space-2) auto 0;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
  0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translate(0, 0); }
  40% { transform: rotate(45deg) translate(3px, 3px); }
  60% { transform: rotate(45deg) translate(1px, 1px); }
}

/* --- Trust Banner --- */
.trust-banner {
  background: var(--surface-container-low);
  padding: var(--space-5) 0;
  overflow: hidden;
}
.trust-items {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  white-space: nowrap;
}
.trust-item i {
  color: var(--gold);
  font-size: 1rem;
}

/* --- Section Headers --- */
.section-overline {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-muted);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-divider {
  width: 60px;
  height: 3px;
  background: var(--gold-btn-gradient);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto 0;
}
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section-subtitle {
  max-width: 560px;
  margin: var(--space-4) auto 0;
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

/* --- About Section --- */
.about-section {
  padding: var(--space-24) 0;
  background: var(--surface);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.about-lead {
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.about-lead strong { color: var(--gold-dark); }
.about-content p {
  color: var(--on-surface-variant);
  margin-bottom: var(--space-4);
}
.about-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.about-highlight-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease-out);
}
.about-highlight-item:hover { transform: translateX(4px); }
.highlight-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius-md);
  color: var(--gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.about-highlight-item strong {
  display: block;
  color: var(--navy);
  font-size: 0.9rem;
}
.about-highlight-item span {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
}

.about-image { position: relative; }
.about-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}
.about-image-frame img {
  width: 100%;
  transition: transform 0.5s var(--ease-out);
}
.about-image-frame:hover img { transform: scale(1.03); }
.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4,18,46,0.7), transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
}
.overlay-text {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 600;
}
.about-image-accent {
  position: absolute;
  width: 120px;
  height: 120px;
  bottom: -20px;
  right: -20px;
  border: 3px solid var(--gold);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.3;
}

/* --- Features Section --- */
.features-section {
  padding: var(--space-24) 0;
  background: var(--surface-container-low);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
  cursor: default;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-btn-gradient);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out);
}
.feature-card:hover::after { transform: scaleX(1); }

.feature-card-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212,168,67,0.06), transparent);
  top: -80px;
  right: -80px;
  border-radius: 50%;
  pointer-events: none;
  transition: opacity 0.4s ease;
  opacity: 0;
}
.feature-card:hover .feature-card-glow { opacity: 1; }

.feature-icon-wrap {
  margin-bottom: var(--space-5);
}
.feature-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius-lg);
  margin: 0 auto;
  font-size: 1.4rem;
  color: var(--gold);
  box-shadow: 0 8px 24px rgba(4,18,46,0.15);
  transition: transform 0.3s var(--ease-spring);
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-3deg); }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  line-height: 1.65;
}

/* --- Academics Section --- */
.academics-section {
  padding: var(--space-24) 0;
  background: var(--surface);
}
.academics-timeline {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
}
.timeline-track {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--gold-btn-gradient));
  border-radius: var(--radius-full);
  transform: translateX(-50%);
}
.academic-level {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-10);
  position: relative;
}
.academic-level:nth-child(even) { flex-direction: row-reverse; }

.level-marker {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border: 3px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  margin: 0 auto;
}
.level-marker span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.level-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  width: calc(50% - 48px);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s var(--ease-out);
  position: relative;
}
.level-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-ambient);
}
.level-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-2);
}
.level-card p {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}
.level-tag {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-dark);
  background: rgba(212,168,67,0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* --- Leadership Section --- */
.leadership-section {
  padding: var(--space-24) 0;
  background: var(--surface-container-low);
}
.leadership-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}
.leader-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-ambient);
  transition: all 0.4s var(--ease-out);
}
.leader-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}
.leader-image-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-6);
}
.leader-image-wrap img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
object-position: top;
  border: 4px solid var(--surface-container-lowest);
  box-shadow: 0 8px 32px rgba(4,18,46,0.12);
}
.leader-image-border {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px dashed var(--gold);
  opacity: 0.4;
  animation: leaderBorderSpin 20s linear infinite;
}
@keyframes leaderBorderSpin { to { transform: rotate(360deg); } }

.leader-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-1);
}
.leader-role {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  background: var(--gold-btn-gradient);
  color: #261a00;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.leader-bio {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}
.leader-contact {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}
.leader-phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-container-low);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}
.leader-phone:hover {
  background: var(--navy);
  color: var(--gold);
}
.leader-phone i { color: var(--gold); font-size: 0.7rem; }
.leader-phone:hover i { color: var(--gold-bright); }

/* --- Gallery Section --- */
.gallery-section {
  padding: var(--space-24) 0;
  background: var(--surface);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-4);
}
.gallery-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out);
}
.gallery-item:hover { transform: scale(1.02); }

.gallery-large {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}
.gallery-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4,18,46,0.8), transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius-xl);
  color: var(--gold);
  transition: all 0.3s ease;
}
.gallery-placeholder i { font-size: 2rem; opacity: 0.7; }
.gallery-placeholder span {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.6;
}
.gallery-placeholder:hover {
  background: linear-gradient(135deg, var(--navy-mid), var(--navy-light));
}

/* --- Admissions Section --- */
.admissions-section {
  padding: var(--space-24) 0;
  background: linear-gradient(165deg, var(--navy-deep), var(--navy), var(--navy-mid));
  position: relative;
  overflow: hidden;
}
.admissions-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 40%, rgba(212,168,67,0.06), transparent 50%),
    radial-gradient(circle at 90% 60%, rgba(185,198,235,0.04), transparent 50%);
}
.admissions-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 2;
}
.admissions-badge-small {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(212,168,67,0.15);
  color: var(--gold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.admissions-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}
.gold-text {
  background: linear-gradient(135deg, #d4a843, #fece65);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.admissions-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.admissions-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.adm-feat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
}
.adm-feat i { color: var(--gold); font-size: 0.85rem; }

/* Admission Form */
.admissions-form-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-elevated);
}
.admissions-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-1);
}
.admissions-form-card h3 i { color: var(--gold); margin-right: var(--space-2); }
.admissions-form-card > p {
  font-size: 0.82rem;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-6);
}

.form-group {
  position: relative;
  margin-bottom: var(--space-4);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  border-bottom: 2px solid rgba(197,198,206,0.4);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--on-surface);
  outline: none;
  transition: border-color 0.3s ease;
  border-radius: 0;
}
.form-group input:focus,
.form-group select:focus {
  border-bottom-color: var(--gold);
}
.form-group label {
  position: absolute;
  top: var(--space-3);
  left: var(--space-4);
  font-size: 0.8rem;
  color: var(--outline);
  pointer-events: none;
  opacity: 0;
  transform: translateY(0);
  transition: all 0.3s ease;
}
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label {
  opacity: 1;
  transform: translateY(-28px);
  font-size: 0.65rem;
  color: var(--gold-dark);
  font-weight: 600;
}

.form-divider {
  text-align: center;
  margin: var(--space-5) 0;
  position: relative;
}
.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--outline-variant);
}
.form-divider span {
  position: relative;
  background: rgba(255,255,255,0.95);
  padding: 0 var(--space-4);
  font-size: 0.75rem;
  color: var(--outline);
}

.direct-call {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}
.call-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--navy);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  transition: all 0.3s ease;
}
.call-btn:hover {
  background: var(--navy);
  color: var(--gold);
}
.call-btn i { font-size: 0.7rem; }

/* --- Contact Section --- */
.contact-section {
  padding: var(--space-24) 0;
  background: var(--surface-container-low);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.contact-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.contact-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s var(--ease-out);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-ambient);
}
.contact-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-4);
  color: var(--gold);
  font-size: 1.1rem;
}
.contact-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-2);
}
.contact-card p {
  font-size: 0.82rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}
.contact-card a {
  color: var(--gold-dark);
  font-weight: 600;
  transition: color 0.3s ease;
}
.contact-card a:hover { color: var(--gold); }

.contact-map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-ambient);
}

/* --- Footer --- */
.footer {
  position: relative;
  background: var(--navy-deep);
  color: rgba(255,255,255,0.6);
}
.footer-wave {
  position: relative;
  margin-bottom: -2px;
}
.footer-wave svg {
  display: block;
  width: 100%;
  height: 60px;
}
.footer-content { padding: var(--space-16) 0 var(--space-8); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}
.footer-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  object-fit: cover;
  margin-bottom: var(--space-4);
}
.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: var(--space-1);
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--gold-dim);
  margin-bottom: var(--space-4);
}
.footer-recognition {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-4);
}
.footer-recognition i { color: var(--gold); margin-top: 2px; }

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-display);
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
}
.footer-links li { margin-bottom: var(--space-2); }
.footer-links a {
  font-size: 0.82rem;
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--gold); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: 0.82rem;
}
.footer-contact-item i {
  color: var(--gold);
  margin-top: 3px;
  font-size: 0.75rem;
}
.footer-contact-item a { transition: color 0.3s ease; }
.footer-contact-item a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-6);
  text-align: center;
  font-size: 0.78rem;
}
.footer-tagline {
  color: rgba(255,255,255,0.3);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
}

/* --- Floating Buttons --- */
.floating-actions {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #ffffff;
  box-shadow: var(--shadow-elevated);
  transition: all 0.3s var(--ease-spring);
}
.float-btn:hover { transform: scale(1.1); }
.float-call { background: var(--navy); }
.float-whatsapp { background: #25d366; }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  border: 1px solid rgba(212,168,67,0.3);
  color: var(--gold);
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  font-size: 0.9rem;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--gold);
  color: var(--navy);
}

/* --- Animations --- */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) forwards;
}
.animate-fade-down {
  opacity: 0;
  transform: translateY(-30px);
  animation: fadeDown 0.8s var(--ease-out) forwards;
}
.animate-scale-in {
  opacity: 0;
  transform: scale(0.9);
  animation: scaleIn 0.8s var(--ease-spring) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  to { opacity: 1; transform: scale(1); }
}

/* Scroll-triggered animations */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s var(--ease-out);
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-aos="fade-right"] { transform: translateX(-24px); }
[data-aos="fade-right"].visible { transform: translateX(0); }
[data-aos="fade-left"] { transform: translateX(24px); }
[data-aos="fade-left"].visible { transform: translateX(0); }
[data-aos="zoom-in"] { transform: scale(0.95); }
[data-aos="zoom-in"].visible { transform: scale(1); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .about-image { order: -1; }
  .admissions-content { grid-template-columns: 1fr; gap: var(--space-10); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(249,249,252,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-6) var(--space-6);
    gap: var(--space-1);
    transition: right 0.4s var(--ease-out);
    box-shadow: -8px 0 32px rgba(0,0,0,0.1);
  }
  .nav-menu.open { right: 0; }
  .nav-link { width: 100%; padding: var(--space-3) var(--space-4); }
  .nav-cta { text-align: center; }
  
  .features-grid { grid-template-columns: 1fr; }
  .leadership-grid { grid-template-columns: 1fr; max-width: 420px; }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-large { grid-column: 1; grid-row: 1; }

  /* Timeline mobile */
  .timeline-track { left: 28px; }
  .academic-level,
  .academic-level:nth-child(even) {
    flex-direction: row;
    gap: var(--space-4);
  }
  .level-marker { margin: 0; }
  .level-card { width: auto; flex: 1; }

  .contact-info-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  .hero-stats { gap: var(--space-4); }
  .hero-stat-divider { display: none; }
  
  .admissions-features { grid-template-columns: 1fr; }
  
  .floating-actions { bottom: var(--space-4); right: var(--space-4); }
  .back-to-top { left: var(--space-4); bottom: var(--space-4); }
  
  .nav-brand-text .nav-school-name { font-size: 0.9rem; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .hero { padding: var(--space-20) var(--space-4) var(--space-16); }
  .hero-crest-img { width: 90px; height: 90px; }
  .admission-badge-content { padding: var(--space-4) var(--space-6); }
  .admission-badge-year { font-size: 1.6rem; }
  .stat-number { font-size: 2rem; }
  .leader-image-wrap { width: 120px; height: 120px; }
}

/* Print */
@media print {
  .navbar, .floating-actions, .back-to-top, #preloader { display: none; }
  .hero { min-height: auto; padding: var(--space-8); }
  body { color: #000; }
}