/* ==========================================================================
   AASTU Social Science Department - Modern White Academic Portal
   Completely redesigned with luminous white aesthetic, generous negative
   space, high-contrast refined typography, and airy breathing room.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Cinzel:wght@600;700&family=Noto+Sans+Ethiopic:wght@400;500;600;700&display=swap');

:root {
  /* Surface & Canvas System - Pristine White Core */
  --bg-canvas: #ffffff;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f8fafc;
  --bg-surface-hover: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  
  /* Primary & Brand Accents */
  --primary-navy: #0f172a;       /* Deep authoritative slate */
  --primary-navy-light: #1e293b;
  --primary-navy-subtle: #334155;
  
  /* Academic Warm Gold & Blue Highlights */
  --accent-gold: #b45309;        /* Sophisticated warm academic amber/gold */
  --accent-gold-light: #d97706;
  --accent-gold-subtle: #fef3c7; /* Soft gold pill background */
  --accent-gold-border: #fde68a;
  
  --accent-blue: #1d4ed8;        /* Clear, crisp academic royal blue */
  --accent-blue-hover: #1e40af;
  --accent-blue-subtle: #eff6ff;
  --accent-blue-border: #bfdbfe;

  /* Typography Colors - High Contrast on White */
  --text-primary: #0f172a;       /* Crisp deep slate for headings & primary text */
  --text-secondary: #334155;     /* Balanced body text (WCAG AAA compliant) */
  --text-muted: #64748b;         /* Subtle secondary metadata */
  --text-light: #ffffff;         /* On dark buttons/badges */
  
  /* Borders & Dividers */
  --border-light: #f1f5f9;
  --border-subtle: #e2e8f0;       /* Crisp light border */
  --border-medium: #cbd5e1;
  --border-focus: #2563eb;
  
  /* Soft, Layered White-Theme Elevation */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 5px 0 rgba(15, 23, 42, 0.04), 0 1px 2px 0 rgba(15, 23, 42, 0.02);
  --shadow-md: 0 6px 18px -3px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.07), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 40px -6px rgba(15, 23, 42, 0.08), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
  
  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Global Typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', 'Noto Sans Ethiopic', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-canvas);
  color: var(--text-secondary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Institutional Top Utility Bar - Clean White Palette
   ========================================================================== */
.top-bar {
  background: #ffffff;
  color: var(--text-muted);
  font-size: 0.8125rem;
  padding: 10px 28px;
  border-bottom: 1px solid var(--border-light);
}

.top-bar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--text-secondary);
}

.top-bar-badge {
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar-right a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-bar-right a:hover {
  color: var(--primary-navy);
}

/* ==========================================================================
   Main Institutional Header - Luminous White & Spacious
   ========================================================================== */
.header {
  background: #ffffff;
  color: var(--text-primary);
  padding: 28px 28px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  color: inherit;
}

.header-logo-badge {
  width: 58px;
  height: 58px;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transition: var(--transition);
}

.header-brand:hover .header-logo-badge {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.header-logo-badge svg {
  width: 30px;
  height: 30px;
  color: var(--accent-gold);
}

.header-titles h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--primary-navy);
  line-height: 1.25;
}

.header-titles p {
  margin: 4px 0 0 0;
  font-size: 0.925rem;
  color: var(--text-muted);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-titles p span {
  color: var(--accent-gold);
  font-weight: 600;
}

.header-quick-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-action-btn {
  background: #ffffff;
  color: var(--primary-navy);
  border: 1px solid var(--border-subtle);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.header-action-btn:hover {
  background: var(--bg-surface-subtle);
  border-color: var(--border-medium);
  color: var(--accent-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Sticky Navigation Bar - Crisp White Glass Effect
   ========================================================================== */
.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.03);
}

.navbar-inner {
  max-width: 1280px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.navbar-menu {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  flex-wrap: wrap;
  gap: 4px;
}

.navbar a {
  color: var(--text-secondary);
  padding: 16px 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  transition: var(--transition);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2.5px;
  background-color: var(--accent-gold);
  border-radius: 4px 4px 0 0;
  opacity: 0;
  transform: translateY(2px);
  transition: var(--transition);
}

.navbar a:hover {
  color: var(--primary-navy);
  background-color: var(--bg-surface-subtle);
}

.navbar a.active {
  color: var(--primary-navy);
  font-weight: 700;
}

.navbar a:hover::after,
.navbar a.active::after {
  opacity: 1;
  transform: translateY(0);
}

.navbar-toggler {
  display: none;
  background-color: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--primary-navy);
  padding: 8px 14px;
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar-toggler:hover {
  background: var(--bg-surface-subtle);
}

/* ==========================================================================
   Modern White Hero Section - High-Contrast & Expansive Spaces
   ========================================================================== */
.modern-hero {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 50%, #f8fafc 100%);
  color: var(--text-primary);
  padding: 96px 28px 104px;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

/* Subtle background accent grid */
.modern-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-subtle) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.65;
  pointer-events: none;
}

.hero-content {
  max-width: 980px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--accent-gold-border);
  color: var(--accent-gold);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.hero-content h2 {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  color: var(--primary-navy);
}

.hero-content p.hero-lead {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 820px;
  margin: 0 auto 44px;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 56px;
}

.btn-primary {
  background-color: var(--primary-navy);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 30px;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--primary-navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--primary-navy);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary:hover {
  background: var(--bg-surface-subtle);
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--primary-navy);
}

/* Hero Stats Bar - Floating White Card */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.stat-item {
  text-align: center;
  border-right: 1px solid var(--border-light);
  padding: 0 16px;
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Main Content Wrapper & Section Header System
   ========================================================================== */
.main-wrapper {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 72px 28px 96px;
}

.research-section {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 72px 28px 88px;
}

.courses-section {
  margin-bottom: 72px;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 54px;
}

.section-badge {
  color: var(--accent-gold);
  background: var(--accent-gold-subtle);
  border: 1px solid var(--accent-gold-border);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin: 0 0 16px;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

/* ==========================================================================
   Feature & Course Cards Grid - Spacious White Cards
   ========================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}

.modern-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 38px 34px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.modern-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3.5px;
  background: var(--accent-gold);
  opacity: 0;
  transition: var(--transition);
}

.modern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.modern-card:hover::before {
  opacity: 1;
}

.card-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-subtle);
  color: var(--accent-blue);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.modern-card:hover .card-icon-box {
  background: var(--accent-blue-subtle);
  color: var(--accent-blue-hover);
  border-color: var(--accent-blue-border);
}

.card-icon-box svg {
  width: 28px;
  height: 28px;
}

.card-code {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin: 0 0 14px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.card-desc {
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 28px;
  flex: 1;
}

.card-link {
  color: var(--primary-navy);
  font-weight: 600;
  font-size: 0.925rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  margin-top: auto;
}

.card-link svg {
  transition: transform 0.2s ease;
  color: var(--accent-gold);
}

.card-link:hover {
  color: var(--accent-gold);
}

.card-link:hover svg {
  transform: translateX(5px);
}

/* ==========================================================================
   Overview Panel - Spacious White Layout
   ========================================================================== */
.overview-panel {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 56px 48px;
  box-shadow: var(--shadow-md);
  margin-bottom: 72px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.overview-text h3 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.overview-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.overview-highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.highlight-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.highlight-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.highlight-content h5 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.highlight-content p {
  margin: 0;
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.overview-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
}

.overview-media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.media-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--primary-navy);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Quick Navigation Hub - Clean Light Architecture
   ========================================================================== */
.quick-hub {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 56px 44px;
  margin-bottom: 72px;
}

.quick-hub-title {
  text-align: center;
  margin-bottom: 40px;
}

.quick-hub-title h3 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--primary-navy);
  letter-spacing: -0.02em;
}

.quick-hub-title p {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.05rem;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.quick-link-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.quick-link-card:hover {
  background: #ffffff;
  transform: translateY(-3px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
}

.quick-link-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.quick-link-card:hover .quick-link-icon {
  transform: scale(1.05);
}

.quick-link-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 3px;
}

.quick-link-text span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Comprehensive White Academic Footer
   ========================================================================== */
.modern-footer {
  background-color: #ffffff;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.footer-top {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 28px 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.3fr;
  gap: 48px;
}

.footer-col h4 {
  color: var(--primary-navy);
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 24px;
  position: relative;
  letter-spacing: -0.015em;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 28px;
  height: 2.5px;
  background: var(--accent-gold);
  border-radius: 2px;
}

.footer-col p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0 0 18px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.925rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--primary-navy);
  transform: translateX(4px);
}

.contact-list-footer {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list-footer li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.contact-list-footer svg {
  width: 18px;
  height: 18px;
  color: var(--accent-gold);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-list-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-list-footer a:hover {
  color: var(--primary-navy);
}

.footer-bottom {
  background: var(--bg-surface-subtle);
  padding: 24px 28px;
  border-top: 1px solid var(--border-light);
}

.footer-bottom-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: var(--primary-navy);
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

/* ==========================================================================
   Modern Showcase & Article Carousel - Luminous White Framed Showcase
   ========================================================================== */
.article-carousel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  margin-top: 24px;
  margin-bottom: 48px;
}

.article-carousel .carousel-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 440px;
  max-height: 580px;
  overflow: hidden;
  background: #0f172a;
  cursor: grab;
}

.carousel-viewport:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.carousel-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.8s ease;
}

.carousel-slide.active .carousel-slide-img {
  transform: scale(1.03);
}

/* High readability overlay: bottom frosted white glass effect */
.article-carousel .carousel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.1) 0%,
    rgba(15, 23, 42, 0.25) 45%,
    rgba(15, 23, 42, 0.75) 75%,
    rgba(15, 23, 42, 0.92) 100%
  );
  pointer-events: none;
}

.article-carousel .carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 38px 48px 32px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: #ffffff;
  max-width: 980px;
}

.carousel-tag-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.carousel-pill {
  background: var(--accent-gold);
  color: #ffffff;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.carousel-meta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.875rem;
  color: #cbd5e1;
  flex-wrap: wrap;
}

.carousel-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #f1f5f9;
  font-weight: 500;
}

.carousel-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.carousel-title-link {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-block;
}

.carousel-title-link:hover {
  color: #fde68a;
}

.carousel-desc {
  font-size: 1rem;
  color: #e2e8f0;
  margin: 0;
  line-height: 1.65;
  max-width: 820px;
}

.carousel-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.carousel-article-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: var(--primary-navy);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: 1px solid transparent;
}

.carousel-article-btn:hover {
  background: var(--accent-gold);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(180, 83, 9, 0.4);
}

.carousel-article-btn svg {
  transition: transform 0.2s ease;
}

.carousel-article-btn:hover svg {
  transform: translateX(4px);
}

.carousel-article-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.carousel-article-secondary-btn:hover {
  background: rgba(255, 255, 255, 0.28);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* Carousel Control Buttons */
.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--primary-navy);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 6;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.carousel-nav-btn:hover {
  background: var(--primary-navy);
  color: #ffffff;
  transform: translateY(-50%) scale(1.06);
}

.carousel-nav-btn:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

.carousel-prev {
  left: 20px;
}

.carousel-next {
  right: 20px;
}

.carousel-top-bar {
  position: absolute;
  top: 18px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 6;
}

.carousel-counter {
  background: #ffffff;
  color: var(--primary-navy);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.carousel-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.carousel-action-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--primary-navy);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.carousel-action-btn:hover {
  background: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.carousel-progress-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 7;
}

.carousel-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gold);
  transition: width 0.1s linear;
}

/* Dots Navigation */
.carousel-dots-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--border-medium);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0;
}

.carousel-dot:hover {
  background: var(--text-muted);
}

.carousel-dot.active {
  width: 32px;
  background: var(--accent-gold);
}

/* Article Selector Strip Below Viewport - Light / White Aesthetic */
.carousel-article-tabs {
  display: flex;
  gap: 14px;
  padding: 18px 24px;
  background: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-subtle);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-medium) var(--bg-surface-subtle);
}

.carousel-article-tabs::-webkit-scrollbar {
  height: 6px;
}

.carousel-article-tabs::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

.carousel-tab {
  flex: 0 0 220px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  color: var(--text-secondary);
  box-shadow: var(--shadow-xs);
}

.carousel-tab:hover {
  background: #ffffff;
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.carousel-tab.active {
  background: #ffffff;
  border-color: var(--accent-gold);
  color: var(--primary-navy);
  box-shadow: 0 0 0 2px var(--accent-gold-border), var(--shadow-sm);
}

.carousel-tab-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-light);
}

.carousel-tab-content {
  overflow: hidden;
}

.carousel-tab-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-gold);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.carousel-tab-title {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary-navy);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   Universal Page Banner (Replaces all dark banners with clean white)
   ========================================================================== */
.article-banner,
div[style*="background: linear-gradient(135deg, #0f1f38"] {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 50%, #f8fafc 100%) !important;
  color: var(--text-primary) !important;
  padding: 64px 28px !important;
  text-align: center !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

.article-banner-inner,
div[style*="background: linear-gradient(135deg, #0f1f38"] > div {
  max-width: 860px !important;
  margin: 0 auto !important;
}

.article-banner-badge,
div[style*="background: linear-gradient(135deg, #0f1f38"] .section-badge {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  background: var(--accent-gold-subtle) !important;
  color: var(--accent-gold) !important;
  border: 1px solid var(--accent-gold-border) !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 5px 16px !important;
  border-radius: var(--radius-full) !important;
  margin-bottom: 16px !important;
}

.article-banner-title,
div[style*="background: linear-gradient(135deg, #0f1f38"] h2 {
  font-size: 2.5rem !important;
  font-weight: 800 !important;
  line-height: 1.25 !important;
  margin: 0 0 16px 0 !important;
  color: var(--primary-navy) !important;
  letter-spacing: -0.025em !important;
}

.article-banner-subtitle,
div[style*="background: linear-gradient(135deg, #0f1f38"] p {
  color: var(--text-secondary) !important;
  font-size: 1.1rem !important;
  line-height: 1.75 !important;
  margin: 0 !important;
}

/* ==========================================================================
   Article & Blog Post Detail Layout - Generous Space & Clean Paper Look
   ========================================================================== */
.page-layout {
  display: flex;
  gap: 48px;
  width: 92%;
  max-width: 1280px;
  margin: 54px auto 80px;
  align-items: flex-start;
}

.main-content {
  flex: 1;
  min-width: 0;
}

.full-post {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  padding: 54px 58px;
}

.full-post-header img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.full-post h1 {
  font-size: 2.4rem;
  color: var(--primary-navy);
  margin: 0 0 18px 0;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.post-meta {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
  line-height: 1.7;
}

.post-meta strong {
  color: var(--primary-navy);
}

.post-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-body p {
  line-height: 1.85;
  margin-bottom: 1.6em;
  text-align: justify;
}

.post-body h2 {
  font-size: 1.7rem;
  color: var(--primary-navy);
  margin-top: 48px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border-subtle);
  padding-bottom: 10px;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.post-body h3 {
  font-size: 1.35rem;
  color: var(--primary-navy);
  margin-top: 36px;
  margin-bottom: 16px;
  font-weight: 700;
}

.post-body blockquote {
  border-left: 4px solid var(--accent-gold);
  padding: 22px 28px;
  margin: 36px 0;
  font-style: italic;
  color: var(--text-primary);
  background-color: var(--bg-surface-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.1rem;
  line-height: 1.8;
  box-shadow: var(--shadow-xs);
}

.post-body ol, .post-body ul {
  padding-left: 28px;
  margin-bottom: 1.6em;
}

.post-body ol li, .post-body ul li {
  margin-bottom: 12px;
  line-height: 1.75;
}

/* Sticky Sidebar Navigation */
.sidebar-nav {
  flex-basis: 320px;
  flex-shrink: 0;
  position: sticky;
  top: 90px;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.sidebar-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-navy);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  margin-bottom: 24px;
  padding: 10px 14px;
  background: var(--bg-surface-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  width: 100%;
  box-sizing: border-box;
  transition: var(--transition);
}

.sidebar-back-btn:hover {
  background: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.sidebar-nav h3 {
  margin: 0 0 20px 0;
  padding-bottom: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-navy);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-nav ol {
  list-style: none;
  counter-reset: item;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.sidebar-nav li::before {
  counter-increment: item;
  content: counter(item) ". ";
  font-weight: 700;
  color: var(--accent-gold);
  font-size: 0.85rem;
}

.sidebar-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: var(--transition);
  padding: 4px 6px;
  border-radius: 4px;
}

.sidebar-nav a:hover {
  color: var(--primary-navy);
  background-color: var(--bg-surface-subtle);
  text-decoration: underline;
}

/* Post preview for blog lists */
.post-preview {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.post-preview:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.post-preview-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.post-preview-content {
  padding: 36px 40px;
}

.post-preview h3 {
  margin: 0 0 14px 0;
}

.post-preview h3 a {
  text-decoration: none;
  color: var(--primary-navy);
  font-size: 1.7rem;
  line-height: 1.3;
  font-weight: 800;
  transition: var(--transition);
}

.post-preview h3 a:hover {
  color: var(--accent-gold);
}

.post-excerpt {
  line-height: 1.75;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  background-color: var(--primary-navy);
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.925rem;
  transition: var(--transition);
}

.read-more:hover {
  background-color: var(--accent-gold);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   Courses Page Specific Styling - White Cards & Spacing
   ========================================================================== */
.courses-grid-page {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 36px;
  margin-top: 40px;
}

.course-card-enhanced {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.course-card-enhanced:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.course-card-enhanced::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3.5px;
  background: var(--accent-gold);
  opacity: 0;
  transition: var(--transition);
}

.course-card-enhanced:hover::before {
  opacity: 1;
}

.course-icon-svg {
  width: 50px;
  height: 50px;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.course-code-tag {
  display: inline-block;
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.course-card-enhanced h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin: 0 0 14px;
  line-height: 1.3;
}

.course-card-enhanced p {
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
  margin: 0 0 28px;
}

.course-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.course-btn {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--primary-navy);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.course-btn:hover {
  background: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

/* ==========================================================================
   Faculty Directory Page (staff.html) - Crisp White Profile Cards
   ========================================================================== */
.staff-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 36px;
  margin-top: 48px;
}

.profile-card-modern {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.profile-card-modern:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.card-cover {
  height: 96px;
  background: linear-gradient(135deg, var(--bg-surface-subtle) 0%, #edf2f7 100%) !important;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.card-avatar-wrapper {
  margin-top: -55px;
  position: relative;
  z-index: 2;
}

.profile-img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #ffffff;
  box-shadow: var(--shadow-md);
  background: #e2e8f0;
}

.profile-info {
  padding: 20px 24px 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.profile-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin: 0 0 6px;
  letter-spacing: -0.015em;
}

.profile-spec {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 20px;
}

.profile-details {
  border-top: 1px solid var(--border-light);
  padding-top: 18px;
  font-size: 0.9rem;
  text-align: left;
  margin-top: auto;
}

.detail-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.detail-row svg {
  width: 16px;
  height: 16px;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.detail-row a {
  color: var(--accent-blue);
  text-decoration: none;
  word-break: break-all;
}

.detail-row a:hover {
  text-decoration: underline;
  color: var(--accent-blue-hover);
}

/* ==========================================================================
   Campus Gallery Page (gallery.html) - Crisp White Modern Grid
   ========================================================================== */
.gallery-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.gallery-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.gallery-card-img-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-surface-subtle);
}

.gallery-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-card-img {
  transform: scale(1.06);
}

.gallery-zoom-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-navy);
  border: 1px solid var(--border-subtle);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.85);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.gallery-card:hover .gallery-zoom-badge {
  opacity: 1;
  transform: scale(1);
}

.gallery-filter-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 36px 0 24px;
}

.filter-btn {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-xs);
}

.filter-btn:hover {
  border-color: var(--primary-navy);
  color: var(--primary-navy);
  background: var(--bg-surface-subtle);
}

.filter-btn.active {
  background: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Values & Vision (about.html) - Crisp White Value Cards
   ========================================================================== */
.values-grid-enhanced {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 36px;
}

.value-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-medium);
}

.value-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.value-icon svg {
  width: 30px;
  height: 30px;
}

.value-card h4 {
  font-size: 1.45rem;
  color: var(--primary-navy);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

.about-stats {
  background: #ffffff !important;
  color: var(--primary-navy) !important;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 56px 36px !important;
  margin: 72px 0 !important;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  max-width: 960px;
  margin: 0 auto;
}

.about-stat-num {
  font-size: 3.4rem !important;
  font-weight: 800 !important;
  color: var(--accent-gold) !important;
  line-height: 1.1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.about-stat-lbl {
  font-size: 0.95rem !important;
  color: var(--text-muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.cta-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 56px 44px;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 64px;
}

.cta-box h3 {
  font-size: 2.1rem;
  color: var(--primary-navy);
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cta-box p {
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ==========================================================================
   Responsive Breakpoints - Mobile-First & Desktop Fluidity
   ========================================================================== */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .overview-panel {
    grid-template-columns: 1fr;
    padding: 40px 32px;
  }
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .stat-item:nth-child(2) {
    border-right: none;
  }
  .page-layout {
    flex-direction: column;
    gap: 36px;
  }
  .sidebar-nav {
    position: static;
    width: 100%;
    box-sizing: border-box;
    max-height: 320px;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .header {
    padding: 20px 20px;
  }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-quick-links {
    width: 100%;
    justify-content: flex-start;
  }
  .navbar-inner {
    padding: 10px 0;
    justify-content: center;
    flex-wrap: wrap;
  }
  .navbar-toggler {
    display: block;
    margin: 0 auto;
  }
  .navbar-menu {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    background-color: #ffffff;
    padding: 12px 0;
    border-top: 1px solid var(--border-light);
  }
  .navbar-menu.show {
    display: flex;
  }
  .navbar a {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
  }
  .modern-hero {
    padding: 64px 20px 72px;
  }
  .hero-content h2 {
    font-size: 2.2rem;
  }
  .hero-stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 20px;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .article-carousel .carousel-viewport {
    min-height: 380px;
  }
  .article-carousel .carousel-caption {
    padding: 24px 20px 20px;
    gap: 8px;
  }
  .carousel-title {
    font-size: 1.4rem;
  }
  .carousel-tab {
    flex: 0 0 180px;
    padding: 8px 12px;
  }
  .carousel-tab-thumb {
    width: 38px;
    height: 38px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .full-post {
    padding: 28px 22px;
    border-radius: var(--radius-lg);
  }
  .full-post h1 {
    font-size: 1.85rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Chapter Slides Viewer & Institutional Framing System
   ========================================================================== */
.slide-page-body {
  background-color: var(--bg-surface-subtle);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.slide-page-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  box-sizing: border-box;
}

.slide-top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
  background: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
}

.slide-top-title h1 {
  margin: 4px 0 0;
  font-size: 1.35rem;
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.3;
}

.slide-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--accent-blue);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.slide-back-link:hover {
  color: var(--accent-blue-hover);
  text-decoration: underline;
}

.slide-hints {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.kbd-key {
  display: inline-block;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1e293b;
  letter-spacing: 0.02em;
}

.presentation-stage {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.presentation-stage .presentation-container {
  width: 100%;
  height: 640px;
  max-height: 74vh;
  min-height: 480px;
  background-color: #ffffff;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.presentation-stage .side-nav-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(15, 23, 42, 0.72);
  color: #ffffff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  z-index: 20;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  line-height: 1;
}

.presentation-stage .side-nav-button:hover:not(:disabled) {
  background-color: var(--primary-navy);
  transform: translateY(-50%) scale(1.08);
}

.presentation-stage .side-nav-button:disabled {
  background-color: rgba(15, 23, 42, 0.15);
  color: #94a3b8;
  cursor: not-allowed;
  transform: translateY(-50%);
}

.presentation-stage #prevBtn {
  left: -22px;
}

.presentation-stage #nextBtn {
  right: -22px;
}

@media (max-width: 1060px) {
  .presentation-stage #prevBtn {
    left: 12px;
  }
  .presentation-stage #nextBtn {
    right: 12px;
  }
}

.presentation-stage .slide-counter-container {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(15, 23, 42, 0.82);
  padding: 5px 16px;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 20;
  pointer-events: none;
}

.presentation-stage .slide-counter-text {
  font-size: 0.82rem;
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.chapter-nav-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  background: #ffffff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
}

.chapter-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--bg-surface-subtle);
  color: var(--primary-navy);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.chapter-nav-btn:hover {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.chapter-nav-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.chapter-nav-current {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
}