/* Enhanced Presentation Theme System */
/* Modern, accessible design with glassmorphism effects and premium typography */

/* Import Inter font family for excellent readability */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* CSS Custom Properties - Design System */
:root {
  /* Typography System */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, 'Courier New', monospace;
  
  /* Font Sizes - Responsive with clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 4rem);
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;
  
  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.3;
  --leading-normal: 1.4;
  --leading-relaxed: 1.6;
  --leading-loose: 1.8;
  
  /* Primary Color Palette */
  --color-primary-blue: #1e40af;
  --color-primary-teal: #0891b2;
  --color-primary-purple: #7c3aed;
  --color-primary-indigo: #4f46e5;
  
  /* Accent Colors */
  --color-accent-orange: #ea580c;
  --color-accent-yellow: #eab308;
  --color-accent-green: #16a34a;
  --color-accent-red: #dc2626;
  --color-accent-pink: #e91e63;
  
  /* Neutral Colors - High Contrast */
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-700: #404040;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;
  --color-neutral-950: #0a0a0a;
  
  /* Semantic Colors */
  --color-success: var(--color-accent-green);
  --color-warning: var(--color-accent-yellow);
  --color-error: var(--color-accent-red);
  --color-info: var(--color-primary-blue);
  
  /* Background Gradients */
  --gradient-primary: linear-gradient(135deg, #1e40af 0%, #0891b2 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
  --gradient-accent: linear-gradient(135deg, #0891b2 0%, #16a34a 100%);
  --gradient-warm: linear-gradient(135deg, #ea580c 0%, #eab308 100%);
  --gradient-cool: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
  --gradient-dark: linear-gradient(135deg, #262626 0%, #171717 100%);
  
  /* Spacing System */
  --space-px: 1px;
  --space-0: 0;
  --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;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.12);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles Reset and Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Enhanced Slide Container */
.enhanced-slide {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--gradient-primary);
  color: white;
  font-family: var(--font-primary);
  position: relative;
  overflow: hidden;
}

/* Typography Hierarchy */
.enhanced-h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
}

.enhanced-h2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-5);
}

.enhanced-h3 {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
}

.enhanced-h4 {
  font-size: var(--text-2xl);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-3);
}

.enhanced-body {
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.enhanced-body-lg {
  font-size: var(--text-lg);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.enhanced-small {
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  opacity: 0.9;
}

/* Glassmorphism Content Cards */
.enhanced-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-glass);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.enhanced-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.enhanced-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Card Variants */
.enhanced-card--primary {
  background: rgba(30, 64, 175, 0.15);
  border-color: rgba(30, 64, 175, 0.3);
}

.enhanced-card--accent {
  background: rgba(234, 88, 12, 0.15);
  border-color: rgba(234, 88, 12, 0.3);
}

.enhanced-card--success {
  background: rgba(22, 163, 74, 0.15);
  border-color: rgba(22, 163, 74, 0.3);
}

/* Enhanced Navigation Elements */
.enhanced-nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  text-decoration: none;
}

.enhanced-nav-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(255, 255, 255, 0.4);
}

.enhanced-nav-arrow--left {
  left: 30px;
}

.enhanced-nav-arrow--right {
  right: 30px;
}

/* Enhanced Progress Indicator */
.enhanced-progress {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  box-shadow: var(--shadow-md);
}

/* Enhanced Header */
.enhanced-header {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-6) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* Enhanced Footer */
.enhanced-footer {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* Icon Containers */
.enhanced-icon-container {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.enhanced-icon-container:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

/* Utility Classes */
.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-yellow), var(--color-accent-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-glow {
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.backdrop-blur {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .enhanced-slide {
    padding: var(--space-4);
  }
  
  .enhanced-card {
    padding: var(--space-6);
  }
  
  .enhanced-nav-arrow {
    width: 56px;
    height: 56px;
    font-size: 20px;
  }
  
  .enhanced-nav-arrow--left {
    left: 20px;
  }
  
  .enhanced-nav-arrow--right {
    right: 20px;
  }
  
  .enhanced-header,
  .enhanced-footer {
    padding: var(--space-4) var(--space-6);
  }
}

@media (max-width: 480px) {
  .enhanced-card {
    padding: var(--space-4);
  }
  
  .enhanced-nav-arrow {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }
  
  .enhanced-header,
  .enhanced-footer {
    padding: var(--space-3) var(--space-4);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .enhanced-card {
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.8);
  }
  
  .enhanced-nav-arrow {
    border-width: 3px;
    border-color: rgba(255, 255, 255, 0.9);
  }
}

/* Print Styles */
@media print {
  .enhanced-nav-arrow,
  .enhanced-progress {
    display: none;
  }
  
  .enhanced-slide {
    background: white;
    color: black;
  }
  
  .enhanced-card {
    background: white;
    border: 2px solid #ccc;
    box-shadow: none;
  }
}
/* 
Advanced Glassmorphism Content Card Components */

/* Challenge/Feature Cards */
.enhanced-challenge-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-left: 4px solid var(--color-accent-yellow);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.enhanced-challenge-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(234, 179, 8, 0.6), transparent);
}

.enhanced-challenge-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  border-left-color: var(--color-accent-yellow);
}

/* Value Proposition Cards */
.enhanced-value-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-top: 4px solid var(--color-accent-orange);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.enhanced-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(234, 88, 12, 0.6), transparent);
}

.enhanced-value-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.25);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Industry Cards */
.enhanced-industry-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.enhanced-industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.enhanced-industry-card:hover {
  transform: translateY(-12px) rotateY(5deg);
  box-shadow: 0 24px 96px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Statistics/Metrics Cards */
.enhanced-stats-card {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-fast);
}

.enhanced-stats-card:hover {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Highlight/Callout Cards */
.enhanced-highlight-card {
  background: rgba(234, 179, 8, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.enhanced-highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(234, 179, 8, 0.8), transparent);
}

/* Card Content Elements */
.enhanced-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.enhanced-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  margin: 0;
}

.enhanced-card-subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
  margin: 0 0 var(--space-2) 0;
  opacity: 0.9;
}

.enhanced-card-body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.enhanced-card-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Progress Bars */
.enhanced-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-2) 0;
}

.enhanced-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-accent-orange));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.enhanced-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Badge/Tag Components */
.enhanced-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.enhanced-badge--primary {
  background: rgba(30, 64, 175, 0.2);
  border-color: rgba(30, 64, 175, 0.4);
}

.enhanced-badge--success {
  background: rgba(22, 163, 74, 0.2);
  border-color: rgba(22, 163, 74, 0.4);
}

.enhanced-badge--warning {
  background: rgba(234, 179, 8, 0.2);
  border-color: rgba(234, 179, 8, 0.4);
}

/* Responsive Card Adjustments */
@media (max-width: 1024px) {
  .enhanced-value-card {
    min-height: 280px;
  }
  
  .enhanced-industry-card {
    min-height: 240px;
    padding: var(--space-6);
  }
}

@media (max-width: 768px) {
  .enhanced-challenge-card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-5);
  }
  
  .enhanced-value-card {
    min-height: auto;
    padding: var(--space-5);
  }
  
  .enhanced-industry-card {
    min-height: auto;
    padding: var(--space-5);
  }
  
  .enhanced-industry-card:hover {
    transform: translateY(-8px);
  }
}

@media (max-width: 480px) {
  .enhanced-challenge-card,
  .enhanced-value-card,
  .enhanced-industry-card {
    padding: var(--space-4);
  }
}/
* Enhanced Navigation System */

/* Advanced Navigation Arrows */
.enhanced-nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  text-decoration: none;
  user-select: none;
}

.enhanced-nav-arrow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  border-radius: var(--radius-full);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.enhanced-nav-arrow:hover::before {
  opacity: 1;
}

.enhanced-nav-arrow:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.15);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

.enhanced-nav-arrow:active {
  transform: translateY(-50%) scale(1.05);
}

.enhanced-nav-arrow--left {
  left: 40px;
}

.enhanced-nav-arrow--right {
  right: 40px;
}

/* Navigation Arrow States */
.enhanced-nav-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* Enhanced Progress Indicator */
.enhanced-progress-indicator {
  position: fixed;
  top: 30px;
  right: 30px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-normal);
}

.enhanced-progress-indicator:hover {
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* Progress Dots */
.enhanced-progress-dots {
  display: flex;
  gap: var(--space-2);
}

.enhanced-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.3);
  transition: all var(--transition-fast);
}

.enhanced-progress-dot--active {
  background: var(--color-accent-yellow);
  box-shadow: 0 0 12px rgba(234, 179, 8, 0.5);
}

/* Auto-advance Timer */
.enhanced-timer-display {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: white;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  z-index: 1001;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-normal);
}

.enhanced-timer-display::before {
  content: '⏱️';
  font-size: var(--text-base);
}

.enhanced-timer-display:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: translateX(-50%) scale(1.05);
}

/* Navigation Keyboard Hints */
.enhanced-keyboard-hint {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}

.enhanced-keyboard-hint:hover {
  opacity: 1;
}

.enhanced-key {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  min-width: 24px;
  text-align: center;
}

/* Slide Transition Overlay */
.enhanced-transition-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.enhanced-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.enhanced-loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top: 3px solid var(--color-accent-yellow);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Mobile Navigation Enhancements */
@media (max-width: 768px) {
  .enhanced-nav-arrow {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .enhanced-nav-arrow--left {
    left: 20px;
  }
  
  .enhanced-nav-arrow--right {
    right: 20px;
  }
  
  .enhanced-progress-indicator {
    top: 20px;
    right: 20px;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }
  
  .enhanced-timer-display {
    bottom: 20px;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }
  
  .enhanced-keyboard-hint {
    display: none; /* Hide on mobile */
  }
}

@media (max-width: 480px) {
  .enhanced-nav-arrow {
    width: 52px;
    height: 52px;
    font-size: 20px;
  }
  
  .enhanced-nav-arrow--left {
    left: 16px;
  }
  
  .enhanced-nav-arrow--right {
    right: 16px;
  }
  
  .enhanced-progress-indicator {
    top: 16px;
    right: 16px;
  }
  
  .enhanced-timer-display {
    bottom: 16px;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .enhanced-nav-arrow:hover {
    transform: translateY(-50%) scale(1.1);
  }
  
  .enhanced-nav-arrow:active {
    transform: translateY(-50%) scale(0.95);
    background: rgba(255, 255, 255, 0.25);
  }
}

/* Focus States for Accessibility */
.enhanced-nav-arrow:focus-visible {
  outline: 2px solid var(--color-accent-yellow);
  outline-offset: 4px;
}

.enhanced-progress-indicator:focus-visible {
  outline: 2px solid var(--color-accent-yellow);
  outline-offset: 2px;
}