/* ========================================
   ARYANS RESOURCE PORTAL – Design System
   Exact match to aryansinternationalschool.com
   Navy blue / white / professional school UI
   ======================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@600;700;800&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary – Balanced Navy */
  --primary-50:  #e6eaf3;
  --primary-100: #c0c9e0;
  --primary-200: #96a5cc;
  --primary-300: #6c81b7;
  --primary-400: #4d66a7;
  --primary-500: #2d4b97;
  --primary-600: #28448f;
  --primary-700: #1e3a84;
  --primary-800: #163079;
  --primary-900: #001246;

  /* Accent – Dark teal / green for buttons (matching "Know more") */
  --accent-500: #1a5632;
  --accent-600: #155028;
  --accent-700: #0f3d1e;

  /* Gold for highlights */
  --gold-400: #f1c40f;
  --gold-500: #c99a2e;
  
  /* Shared Secondary */
  --accent-500: #1a5632;
  --accent-600: #155028;

  /* Neutrals */
  --gray-50:  #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e2e5ea;
  --gray-300: #ced4da;
  --gray-400: #94a0ad;
  --gray-500: #6c757d;
  --gray-600: #495057;
  --gray-700: #343a40;
  --gray-800: #212529;
  --gray-900: #0f1114;

  /* Semantic */
  --success: #198754;
  --warning: #ffc107;
  --error:   #dc3545;
  --info:    #0d6efd;

  /* Surfaces */
  --bg-primary:   #ffffff;
  --bg-secondary: #f0f2f5;
  --bg-dark:      #222222;
  --surface-card: #ffffff;

  /* Typography */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  /* Spacing scale */
  --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:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* Shadows - Layered for depth */
  --shadow-sm: 0 2px 4px rgba(0,0,51,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,51,0.08), 0 2px 4px rgba(0,0,51,0.05);
  --shadow-lg: 0 12px 24px rgba(0,0,51,0.12), 0 4px 8px rgba(0,0,51,0.08);
  --shadow-xl: 0 20px 40px rgba(0,0,51,0.16), 0 8px 16px rgba(0,0,51,0.1);

  /* Glassmorphism & Glow */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: 12px;
  --glow-primary: 0 0 20px rgba(45, 75, 151, 0.3);
  --glow-gold: 0 0 15px rgba(212, 168, 67, 0.4);

  /* Layout */
  --container-max: 1140px;
  --header-height: 80px;
  --bottom-nav-height: 65px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--bg-primary);
  overflow-x: hidden;
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}
a:hover { color: var(--primary-900); }

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 15px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   HEADER – Matching reference site: centered logo + school name
   ============================================================ */
.site-top-bar {
  background: var(--primary-900);
  color: rgba(255,255,255,0.8);
  font-size: 0.78rem;
  padding: 6px 0;
}

.top-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar-inner .contact-info {
  display: flex;
  gap: var(--space-4);
}

.top-bar-inner .contact-info span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.top-bar-inner .social-links {
  display: flex;
  gap: 8px;
}

.top-bar-inner .social-links a {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.72rem;
  transition: background var(--duration-fast) ease;
}

.top-bar-inner .social-links a:hover {
  background: rgba(255,255,255,0.3);
  color: #fff;
}

/* School Identity Header */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--primary-900);
  padding: 12px 0;
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

/* Animated Logo */
.logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  text-decoration: none;
}

.logo-img-container {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.logo-img-container img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  transition: transform 0.6s var(--ease-out);
}

.logo-wrapper:hover .logo-img-container img {
  transform: scale(1.05);
}

/* Professional animated ring around logo */
.logo-ring {
  position: absolute;
  inset: -4px;
  border: 2px solid transparent;
  border-top-color: var(--primary-900);
  border-right-color: var(--gold-500);
  border-radius: 50%;
  animation: logoSpin 8s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.logo-wrapper:hover .logo-ring {
  opacity: 1;
}

@keyframes logoSpin {
  to { transform: rotate(360deg); }
}

/* Pulsing glow on hover */
.logo-glow {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,18,70,0.12) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: logoPulse 2s ease-in-out infinite;
}

.logo-wrapper:hover .logo-glow {
  opacity: 1;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.school-identity {
  display: flex;
  flex-direction: column;
}

.school-identity .school-name {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--primary-900);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.school-identity .school-details {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 3px;
  line-height: 1.4;
}

/* Main Navigation */
.main-nav-bar {
  background: var(--primary-900);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0,18,70,0.3);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-nav a {
  padding: 14px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all var(--duration-fast) ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--gold-500);
  transition: width var(--duration-normal) var(--ease-out);
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 60%;
}

.main-nav a .nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.main-nav a:hover .nav-icon { opacity: 1; }

.main-nav .admin-link {
  background: var(--accent-500);
  color: #fff;
  margin-left: 8px;
  border-radius: var(--radius-sm);
}

.main-nav .admin-link:hover {
  background: var(--accent-600);
}

.main-nav .admin-link::after { display: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all var(--duration-normal) var(--ease-out);
}
.menu-toggle:active { transform: scale(0.9); }

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.4s var(--ease-out);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); width: 28px; }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(-10px); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); width: 28px; }

/* Full Screen Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--primary-900);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease-out);
  gap: var(--space-4);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-overlay .mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  text-align: center;
}

.mobile-menu-overlay .mobile-nav-links a {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s var(--ease-out);
}

.mobile-menu-overlay.active .mobile-nav-links a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu-overlay.active .mobile-nav-links a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu-overlay.active .mobile-nav-links a:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu-overlay.active .mobile-nav-links a:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu-overlay.active .mobile-nav-links a:nth-child(4) { transition-delay: 0.4s; }

.mobile-menu-overlay .mobile-nav-links a:active {
  color: var(--gold-400);
  transform: scale(0.95);
}

/* ---------- SECTION STYLES ---------- */
.section {
  padding: var(--space-16) 0;
}

.section-header {
  margin-bottom: var(--space-10);
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--primary-900);
  margin-bottom: var(--space-2);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--primary-600);
  border-radius: var(--radius-full);
}

.section-header.centered {
  text-align: center;
}

.section-header.centered h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-header p {
  font-size: 0.95rem;
  color: var(--gray-500);
  max-width: 600px;
  margin-top: var(--space-3);
}

.section-header.centered p {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  line-height: 1.4;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary-900);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-700);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: #fff;
  color: var(--primary-900);
  border: 2px solid var(--primary-200);
}
.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-400);
}

.btn-accent {
  background: var(--accent-500);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-600);
  color: #fff;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--error);
  color: #fff;
}
.btn-danger:hover {
  background: #bb2d3b;
  transform: translateY(-1px);
}

.btn-sm { padding: 6px 16px; font-size: 0.82rem; }
.btn-lg { padding: 14px 32px; font-size: 0.98rem; }
.btn-outline {
  background: transparent;
  color: var(--primary-900);
  border: 2px solid var(--primary-900);
}
.btn-outline:hover {
  background: var(--primary-900);
  color: #fff;
}

.btn-know-more {
  background: var(--primary-900);
  color: #fff;
  padding: 8px 20px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}
.btn-know-more:hover {
  background: var(--primary-700);
  color: #fff;
}

/* ---------- HERO / BANNER ---------- */
.hero-banner {
  background: linear-gradient(135deg, var(--primary-900) 0%, #1a3a6e 50%, var(--primary-700) 100%);
  min-height: 440px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(212,168,67,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 50%);
}

.hero-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

/* Geometric decorative shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shapes .shape {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 50%;
}

.hero-shapes .shape:nth-child(1) { width: 400px; height: 400px; top: -100px; right: -100px; animation: heroFloat 25s ease-in-out infinite; }
.hero-shapes .shape:nth-child(2) { width: 250px; height: 250px; bottom: -50px; left: 5%; animation: heroFloat 20s ease-in-out infinite reverse; }
.hero-shapes .shape:nth-child(3) { width: 180px; height: 180px; top: 30%; right: 25%; animation: heroFloat 18s ease-in-out infinite 3s; }

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-banner .container {
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-content .hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(6px);
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.hero-content .hero-label .dot {
  width: 6px;
  height: 6px;
  background: var(--gold-400);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-5);
  animation: fadeInUp 0.6s var(--ease-out) 0.1s both;
}

.hero-content h1 .highlight {
  color: var(--gold-400);
}

.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}

.hero-actions .btn-hero-primary {
  background: #fff;
  color: var(--primary-900);
  padding: 12px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.hero-actions .btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.hero-actions .btn-hero-secondary {
  background: transparent;
  color: #fff;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
}

.hero-actions .btn-hero-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.hero-stats {
  margin-top: var(--space-12);
  width: fit-content;
  animation: fadeInUp 0.6s var(--ease-out) 0.4s both;
}

.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-6) var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-stat .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 5px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- FEATURES GRID (Life @ Aryans style) ---------- */
.features-section {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-normal) var(--ease-out);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-900);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  background: var(--primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary-700);
  transition: color var(--duration-fast) ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary-900);
}

.feature-card:hover .feature-icon svg {
  color: #fff;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.55;
}

/* ---------- RESOURCE CARDS ---------- */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.resource-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-200);
  height: 100%;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-300);
}

.resource-card-header {
  padding: var(--space-4) var(--space-5);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.resource-type-badge {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-worksheet { background: #dbeafe; color: #1e40af; }
.badge-pyq { background: #fef3c7; color: #92400e; }
.badge-sample-paper { background: #d1fae5; color: #065f46; }
.badge-notes { background: #ede9fe; color: #5b21b6; }
.badge-important { background: #fce7f3; color: #9d174d; }
.badge-default { background: var(--gray-100); color: var(--gray-600); }

.resource-card-body {
  padding: var(--space-5);
  flex: 1;
}

.resource-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.resource-card-body .resource-desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.resource-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--gray-50);
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
}

.meta-tag svg {
  width: 12px;
  height: 12px;
}

.resource-card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resource-date {
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ---------- FILTER BAR ---------- */
.filter-bar {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  margin-bottom: var(--space-8);
}

.filter-bar h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-bar h3 svg {
  width: 18px;
  height: 18px;
  color: var(--primary-600);
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
}

.filter-group select,
.filter-group input[type="text"] {
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--gray-700);
  transition: all var(--duration-fast) ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.filter-group input[type="text"] {
  background-image: none;
  padding-right: 14px;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(0,18,70,0.08);
}

/* ---------- RESOURCE DETAIL PAGE ---------- */
.resource-detail {
  padding: var(--space-8) 0 var(--space-16);
}

.resource-detail-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.resource-detail-header {
  background: var(--primary-900);
  padding: var(--space-10) var(--space-8);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.resource-detail-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -15%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.resource-detail-header .resource-type-badge {
  margin-bottom: var(--space-3);
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}

.resource-detail-header h1 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.resource-detail-header .meta-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.9rem;
  opacity: 0.8;
}

.resource-detail-header .meta-info span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.resource-detail-header .meta-info span svg {
  width: 15px;
  height: 15px;
}

.resource-detail-body {
  padding: var(--space-8);
}

.resource-detail-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
}

.resource-detail-body .description {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: var(--space-8);
}

.resource-detail-body .info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.info-item {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  border: 1px solid var(--gray-100);
}

.info-item .info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.info-item .info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
}

.download-section {
  text-align: center;
  padding: var(--space-8);
  background: var(--primary-50);
  border-radius: var(--radius-md);
  border: 2px dashed var(--primary-200);
}

.download-section p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--primary-900);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 20px rgba(0,18,70,0.3);
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,18,70,0.4);
  color: #fff;
}

.btn-download svg {
  width: 22px;
  height: 22px;
}

/* ---------- NEWS CARDS ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
}

.news-card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--duration-normal) var(--ease-out);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.news-card-accent {
  height: 4px;
  background: var(--primary-900);
}

.news-card-body {
  padding: var(--space-5);
}

.news-card-body .news-date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary-600);
  margin-bottom: var(--space-2);
}

.news-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.news-card-body p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.55;
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- PAGE HEADER (non-hero pages) ---------- */
.page-header {
  background: var(--primary-900);
  padding: var(--space-10) 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-header h1 svg {
  width: 28px;
  height: 28px;
  opacity: 0.7;
}

.page-header p {
  font-size: 0.98rem;
  opacity: 0.7;
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-4) 0;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary-600); }
.breadcrumb .separator { color: var(--gray-300); }
.breadcrumb .current { color: var(--gray-800); font-weight: 600; }

/* ---------- RESULTS INFO ---------- */
.results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, #f0f4ff 0%, #f8fafc 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--primary-700);
  box-shadow: 0 1px 3px rgba(0, 18, 70, 0.04);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.results-info .count {
  font-size: 0.92rem;
  color: var(--gray-600);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.results-info .count strong {
  color: var(--primary-800);
  font-weight: 700;
  font-size: 1.05rem;
}

/* ---------- FOOTER (matching reference: dark bg, 3 columns) ---------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.65);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand .logo-wrapper {
  margin-bottom: var(--space-4);
}

.footer-brand .logo-wrapper .logo-img-container {
  width: 50px;
  height: 50px;
}

.footer-brand .logo-wrapper .logo-img-container img {
  width: 50px;
  height: 50px;
}

.footer-brand .school-identity .school-name {
  color: #fff;
  font-size: 1rem;
}

.footer-brand .school-identity .school-details {
  color: rgba(255,255,255,0.4);
}

.footer-brand > p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-column h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gold-500);
  border-radius: var(--radius-full);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-column ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--duration-fast) ease;
}

.footer-column ul li a svg {
  width: 10px;
  height: 10px;
  opacity: 0.5;
}

.footer-column ul li a:hover {
  color: var(--gold-400);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: 0.88rem;
}

.footer-contact-item .contact-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-contact-item .contact-icon svg {
  width: 14px;
  height: 14px;
  color: var(--gold-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}
.footer-bottom a:hover { color: var(--gold-400); }

/* ---------- LOADING / EMPTY / TOAST ---------- */
.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) 0;
  gap: var(--space-3);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary-900);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.spinner-text {
  font-size: 0.88rem;
  color: var(--gray-500);
}

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state .empty-icon {
  margin-bottom: var(--space-4);
}

.empty-state .empty-icon svg {
  width: 56px;
  height: 56px;
  color: var(--gray-300);
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--gray-500);
}

.toast-container {
  position: fixed;
  top: 80px;
  right: var(--space-4);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-600);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-800);
  animation: slideInRight 0.3s var(--ease-out);
  max-width: 340px;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error   { border-left-color: var(--error); }
.toast.toast-warning { border-left-color: var(--warning); }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(80px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---------- SCROLL TO TOP ---------- */
.scroll-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--primary-900);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
}

.scroll-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- SEARCH BAR ---------- */
.search-bar {
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--gray-700);
  transition: all var(--duration-fast) ease;
  font-size: 0.88rem;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(0,18,70,0.08);
}

.search-bar .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.search-bar .search-icon svg {
  width: 16px;
  height: 16px;
}

/* ---------- SCROLL ANIMATIONS ---------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(25px);
  transition: all 0.5s var(--ease-out);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- BOTTOM NAVIGATION (Mobile Only) ---------- */
.bottom-nav {
  display: flex !important;
  position: fixed !important;
  bottom: 20px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: calc(100% - 40px) !important;
  max-width: 450px !important;
  height: 64px !important;
  background: var(--primary-700) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  align-items: center !important;
  justify-content: space-around !important;
  padding: 0 10px !important;
  border-radius: 40px !important;
  z-index: 9999 !important;
  box-shadow: 0 12px 30px rgba(0, 51, 102, 0.3) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex: 1;
}

.bottom-nav-item svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.bottom-nav-item.active {
  color: var(--gold-400);
}

.bottom-nav-item.active svg {
  transform: translateY(-4px) scale(1.1);
  color: var(--gold-400);
}

.bottom-nav-item:active {
  transform: scale(0.9);
}

/* ---------- RESPONSIVE REFINEMENTS ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 768px) {
  :root {
    --space-16: 3rem;
    --space-20: 3.5rem;
  }

  body { font-size: 14px; padding-bottom: var(--bottom-nav-height); }

  .site-top-bar { display: none; }
  
  .header-inner {
    padding: 10px 15px;
    justify-content: space-between;
  }


  .main-nav-bar {
    display: none !important;
  }

  .menu-toggle { display: none !important; }

  .hero-banner { min-height: auto; padding: var(--space-12) 0 var(--space-8); }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-stats { gap: var(--space-6); padding: var(--space-4) var(--space-6); }
  .hero-stat .stat-number { font-size: 1.8rem; }

  .section-header h2 { font-size: 1.5rem; }
  .filter-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 1.5rem; }
  .resources-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }

  .resource-detail-header { padding: var(--space-6); }
  .resource-detail-body { padding: var(--space-5); }
  .resource-detail-header h1 { font-size: 1.35rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .hero-content h1 { font-size: 1.5rem; }
  .hero-content p { font-size: 0.92rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-hero-primary,
  .hero-actions .btn-hero-secondary { width: 100%; justify-content: center; }
  
  .hero-stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    padding: var(--space-5);
    width: 100%;
  }
  
  .hero-stats {
    width: 100%;
    margin-top: var(--space-8);
  }

  .feature-card { padding: var(--space-6) var(--space-4); }
  .btn-download { padding: 14px 24px; font-size: 0.95rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Mobile nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) ease;
}
.nav-overlay.active { opacity: 1; visibility: visible; }