/* MrDriver Landing Page Styles - App-like UI */

:root {
  /* Colors from theme_helper.dart */
  --turquoise-green: #00C49A;
  --brand-green: #4CAF50;
  --dark-green: #439B41;
  --electric-blue: #118AB2;
  --sunset-coral: #FF6B6B;
  --warning-yellow: #FFD166;
  --success-green: #06D6A0;
  --deep-navy: #1A2151;
  --charcoal-black: #1D1E2C;
  --pure-black: #000000;
  --soft-cream: #F8F7E9; /* Updated to match app's cream background */
  --light-gray: #E0E0E0;
  --soft-turquoise: #CCEBE4;
  --soft-green: #D8EAD8;
  --mr-driver-green: #4CAF50; /* App's primary green color */
  --mr-driver-orange: #F2994A; /* App's orange accent color */
  
  /* Dark Theme Colors */
  --dark-bg-primary: #121212;
  --dark-bg-secondary: #1E1E1E;
  --dark-bg-card: #252525;
  --dark-bg-elevated: #2D2D2D;
  --dark-text-primary: #FFFFFF;
  --dark-text-secondary: #B0B0B0;
  --dark-border: #333333;
  
  /* Light Theme Colors */
  --light-bg-primary: #F8F7E9; /* Updated to match app's cream background */
  --light-bg-secondary: #FFFFFF;
  --light-bg-card: #FFFFFF;
  --light-bg-elevated: #F8F7E9; /* Updated to match app */
  --light-text-primary: #000000;
  --light-text-secondary: #333333;
  --light-border: #E6E3D5; /* Slightly adjusted to match app */
  
  /* Theme Colors */
  --primary: var(--mr-driver-green); /* Updated to use app's green */
  --accent: var(--mr-driver-orange); /* Updated to use app's orange */
  --background: var(--light-bg-primary);
  --card-bg: var(--light-bg-card);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 10px 30px rgba(76, 175, 80, 0.1);
  --shadow-button: 0 8px 15px rgba(76, 175, 80, 0.2);
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: 1.6;
  background: linear-gradient(135deg, var(--soft-cream) 0%, #f5f4e6 50%, var(--soft-cream) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  padding-top: 70px;
  position: relative;
}

/* Animated background elements */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
  background-size: 300px 300px, 400px 400px, 500px 500px;
  animation: backgroundFloat 20s ease-in-out infinite;
  z-index: -2;
  pointer-events: none;
}

@keyframes backgroundFloat {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(10px, -10px) rotate(1deg);
  }
  50% {
    transform: translate(-5px, 10px) rotate(-1deg);
  }
  75% {
    transform: translate(-10px, -5px) rotate(0.5deg);
  }
}

body.dark-theme {
  --background: var(--dark-bg-primary);
  --card-bg: var(--dark-bg-card);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  background: linear-gradient(135deg, #121212, #1A1A1A);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.accent-text {
  color: var(--primary);
}

.instructor-theme .accent-text {
  color: var(--turquoise-green);
}

/* App Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    rgba(76, 175, 80, 0.05) 0%, 
    rgba(76, 175, 80, 0.02) 50%, 
    rgba(76, 175, 80, 0.05) 100%);
  animation: headerShimmer 3s ease-in-out infinite;
}

@keyframes headerShimmer {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.header-content {
  position: relative;
  z-index: 1;
}

body.dark-theme .app-header {
  background-color: var(--dark-bg-secondary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--dark-border);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-nav {
  display: flex;
  gap: 1.5rem;
}

.nav-item {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  transition: color 0.3s ease;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-item:hover {
  color: var(--primary);
}

.nav-item:hover::after {
  width: 100%;
}

.instructor-theme .nav-item:hover {
  color: var(--turquoise-green);
}

.instructor-theme .nav-item:hover::after {
  background: var(--turquoise-green);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo img {
  height: 66px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-green), var(--electric-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--primary);
  border-radius: var(--radius-round);
  cursor: pointer;
  transition: all 0.3s ease;
  margin-right: var(--spacing-md);
}

body.dark-theme .dark-mode-toggle {
  background-color: rgba(76, 175, 80, 0.2);
  color: var(--primary);
}

.dark-mode-toggle:hover {
  transform: translateY(-3px);
  background-color: rgba(76, 175, 80, 0.2);
}

/* User Toggle Switch */
.user-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.user-toggle-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.user-toggle-label.active {
  font-weight: 600;
}

.user-toggle-label.student.active {
  color: var(--brand-green);
}

.user-toggle-label.instructor.active {
  color: var(--turquoise-green);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--brand-green), var(--electric-blue));
  transition: 0.4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* Main Content */
.app-main {
  padding: var(--spacing-md) 0;
}

/* Hero Section */
.hero-section {
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.decorative-shape {
  position: absolute;
  border-radius: 50%;
  z-index: -1;
}

.shape-1 {
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(248, 247, 233, 0.5), transparent 70%);
  animation: float 15s infinite alternate ease-in-out;
}

.shape-2 {
  bottom: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(248, 247, 233, 0.5), transparent 70%);
  animation: float 20s infinite alternate-reverse ease-in-out;
}

.shape-3 {
  top: 30%;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(248, 247, 233, 0.5), transparent 70%);
  animation: pulse 10s infinite alternate ease-in-out;
}

.instructor-theme .shape-1 {
  background: radial-gradient(circle, rgba(0, 196, 154, 0.1), transparent 70%);
}

.instructor-theme .shape-2 {
  background: radial-gradient(circle, rgba(17, 138, 178, 0.08), transparent 70%);
}

@keyframes float {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.1);
  }
  100% {
    transform: translateY(30px) scale(0.9);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

.card-content {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-align: center;
  animation: cardFloat 6s ease-in-out infinite;
  transform-style: preserve-3d;
}

@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0px) rotateX(0deg);
  }
  50% {
    transform: translateY(-10px) rotateX(2deg);
  }
}

.card-content::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(76, 175, 80, 0.03) 40%, 
    rgba(76, 175, 80, 0.05) 50%, 
    rgba(76, 175, 80, 0.03) 60%, 
    transparent 70%);
  animation: cardShine 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes cardShine {
  0%, 100% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  50% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

body.dark-theme .card-content {
  background-color: var(--dark-bg-card);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--dark-border);
}

.card-content::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.05), transparent 70%);
  z-index: 0;
}

.instructor-theme .card-content::before {
  background: radial-gradient(circle, rgba(0, 196, 154, 0.05), transparent 70%);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  text-align: center;
  background-color: rgba(76, 175, 80, 0.1);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(76, 175, 80, 0.2);
  flex: 1;
}

.instructor-theme .stat-item {
  background-color: rgba(0, 196, 154, 0.1);
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.2rem;
}

.instructor-theme .stat-number {
  color: var(--turquoise-green);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.card-badge {
  display: inline-block;
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--brand-green);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.instructor-badge {
  background-color: rgba(0, 196, 154, 0.1);
  color: var(--turquoise-green);
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.card-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--brand-green), var(--electric-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.instructor-theme .card-title {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
  -webkit-background-clip: text;
  background-clip: text;
}

.card-description {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  color: var(--text-secondary);
  margin-left: auto;
  margin-right: auto;
}

.app-mockup {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.mockup-decoration {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--brand-green), var(--electric-blue));
  border-radius: var(--radius-lg);
  filter: blur(40px);
  opacity: 0.15;
  z-index: -1;
  animation: pulse 8s infinite alternate ease-in-out;
}

.instructor-theme .mockup-decoration {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
}

.app-mockup img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: perspective(1000px) rotateY(-5deg);
  transition: all 0.5s ease;
  border: 8px solid white;
  position: relative;
  z-index: 1;
}

.app-mockup img:hover {
  transform: perspective(1000px) rotateY(0) translateY(-10px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--mr-driver-green), #5cbf60);
  color: white;
  box-shadow: 
    0 8px 15px rgba(76, 175, 80, 0.2),
    0 4px 6px rgba(76, 175, 80, 0.1) inset;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.2), 
    transparent);
  animation: buttonShine 2s ease-in-out infinite;
}

@keyframes buttonShine {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}

.instructor-theme .btn-primary {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
}

.btn-primary:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 
    0 15px 30px rgba(76, 175, 80, 0.4),
    0 5px 15px rgba(76, 175, 80, 0.2) inset;
}

.instructor-theme .btn-primary:hover {
  box-shadow: 
    0 15px 30px rgba(0, 196, 154, 0.4),
    0 5px 15px rgba(0, 196, 154, 0.2) inset;
}

.btn-primary:active {
  transform: translateY(-2px) scale(1.02);
}

/* Features Section */
.features-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
}

.section-decoration {
  position: absolute;
  z-index: -1;
}

.section-decoration.left {
  left: -100px;
  top: 20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(248, 247, 233, 0.3), transparent 70%);
  border-radius: 50%;
}

.section-decoration.right {
  right: -100px;
  bottom: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(248, 247, 233, 0.3), transparent 70%);
  border-radius: 50%;
}

.instructor-theme .section-decoration.left {
  background: radial-gradient(circle, rgba(0, 196, 154, 0.05), transparent 70%);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: -1rem auto var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  background: linear-gradient(135deg, var(--brand-green), var(--electric-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}

.instructor-theme .section-title {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
  -webkit-background-clip: text;
  background-clip: text;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-green), var(--electric-blue));
  border-radius: var(--radius-sm);
}

.instructor-theme .section-title::after {
  background: linear-gradient(90deg, var(--turquoise-green), var(--electric-blue));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(76, 175, 80, 0.15);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(76, 175, 80, 0.05) 0%, 
    transparent 50%, 
    rgba(76, 175, 80, 0.02) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

body.dark-theme .feature-card {
  background-color: var(--dark-bg-elevated);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.instructor-theme .feature-card {
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.feature-card:hover {
  transform: translateY(-15px) rotateX(5deg) rotateY(5deg);
  box-shadow: 
    0 25px 50px rgba(76, 175, 80, 0.2),
    0 0 0 1px rgba(76, 175, 80, 0.1) inset;
  border-color: rgba(76, 175, 80, 0.3);
}

.instructor-theme .feature-card:hover {
  box-shadow: 
    0 25px 50px rgba(0, 196, 154, 0.2),
    0 0 0 1px rgba(0, 196, 154, 0.1) inset;
  border-color: rgba(0, 196, 154, 0.3);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(76, 175, 80, 0.05));
  color: var(--mr-driver-green);
  border-radius: var(--radius-round);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
  box-shadow: 
    0 8px 16px rgba(76, 175, 80, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  border: 1px solid rgba(76, 175, 80, 0.2);
  position: relative;
  transition: all 0.3s ease;
}

.feature-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    rgba(76, 175, 80, 0.1) 90deg,
    transparent 180deg,
    rgba(76, 175, 80, 0.1) 270deg,
    transparent 360deg
  );
  animation: iconRotate 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
}

@keyframes iconRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.feature-card:hover .feature-icon::before {
  opacity: 1;
}

.instructor-theme .feature-icon {
  background: var(--soft-cream);
  color: var(--turquoise-green);
  border: 1px solid rgba(0, 196, 154, 0.2);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotateY(15deg);
  box-shadow: 
    0 12px 24px rgba(76, 175, 80, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.3) inset;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Steps Section */
.steps-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  background-color: var(--soft-cream);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--light-border);
}

body.dark-theme .steps-section {
  background-color: rgba(30, 30, 30, 0.6);
  border: 1px solid var(--dark-border);
}

.steps-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 30% 50%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 90% 10%, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
  background-size: 100px 100px;
  z-index: 0;
}

body.dark-theme .steps-section::before {
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 30% 50%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 90% 10%, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background-color: var(--light-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(76, 175, 80, 0.2);
  position: relative;
  overflow: hidden;
}

body.dark-theme .step-card {
  background-color: var(--dark-bg-elevated);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.instructor-theme .step-card {
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.step-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 30px rgba(76, 175, 80, 0.1);
  border-color: rgba(76, 175, 80, 0.3);
}

.instructor-theme .step-card:hover {
  box-shadow: 0 15px 30px rgba(0, 196, 154, 0.1);
  border-color: rgba(0, 196, 154, 0.3);
}

.step-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--soft-cream);
  color: var(--mr-driver-green);
  border-radius: var(--radius-round);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.instructor-theme .step-number {
  background: var(--soft-cream);
  color: var(--turquoise-green);
  border: 1px solid rgba(0, 196, 154, 0.2);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.step-card:hover .step-number {
  transform: scale(1.1);
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.step-description {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Testimonials Section */
.testimonials-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.02), transparent 70%);
  z-index: -1;
}

.instructor-theme .testimonials-section::before {
  background: radial-gradient(circle, rgba(0, 196, 154, 0.02), transparent 70%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--light-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(76, 175, 80, 0.2);
  position: relative;
  overflow: hidden;
}

body.dark-theme .testimonial-card {
  background-color: var(--dark-bg-elevated);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.instructor-theme .testimonial-card {
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(76, 175, 80, 0.1);
  border-color: rgba(76, 175, 80, 0.3);
}

.instructor-theme .testimonial-card:hover {
  box-shadow: 0 15px 30px rgba(0, 196, 154, 0.1);
  border-color: rgba(0, 196, 154, 0.3);
}

.testimonial-rating {
  color: #FFD166;
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(76, 175, 80, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.instructor-theme .author-avatar {
  background-color: rgba(0, 196, 154, 0.1);
  color: var(--turquoise-green);
}

.author-info h4 {
  margin-bottom: 0;
  font-size: 1rem;
}

.author-info p {
  margin-bottom: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Screenshots Section */
.screenshots-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  background-color: rgba(230, 226, 211, 0.2);
  border-radius: var(--radius-lg);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.screenshot-item {
  text-align: center;
}

.screenshot-frame {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.screenshot-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.05), transparent);
  z-index: 0;
}

.instructor-theme .screenshot-frame::before {
  background: linear-gradient(135deg, rgba(0, 196, 154, 0.05), transparent);
}

.screenshot-frame img {
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
}

.screenshot-item:hover .screenshot-frame {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.screenshot-title {
  font-size: 1.2rem;
  color: var(--text-primary);
}

/* FAQ Section */
.faq-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.faq-item {
  background-color: var(--light-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(76, 175, 80, 0.2);
}

body.dark-theme .faq-item {
  background-color: var(--dark-bg-elevated);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.instructor-theme .faq-item {
  border: 1px solid rgba(0, 196, 154, 0.2);
}

.faq-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(76, 175, 80, 0.1);
  border-color: rgba(76, 175, 80, 0.3);
}

.instructor-theme .faq-item:hover {
  box-shadow: 0 15px 30px rgba(0, 196, 154, 0.1);
  border-color: rgba(0, 196, 154, 0.3);
}

.faq-question {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  position: relative;
  padding-left: 1.5rem;
}

.faq-question::before {
  content: 'Q:';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 700;
}

.instructor-theme .faq-question::before {
  color: var(--turquoise-green);
}

.faq-answer {
  color: var(--text-secondary);
  margin-bottom: 0;
  position: relative;
  padding-left: 1.5rem;
}

.faq-answer::before {
  content: 'A:';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Download Section */
.download-section {
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.section-decoration.contact-decoration {
  bottom: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.1), transparent 70%);
  border-radius: 50%;
}

.instructor-theme .section-decoration.contact-decoration {
  background: radial-gradient(circle, rgba(0, 196, 154, 0.1), transparent 70%);
}

.download-card {
  background: linear-gradient(135deg, var(--mr-driver-green), #5cbf60, #4caf50);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: 
    0 25px 50px rgba(76, 175, 80, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  overflow: hidden;
  animation: downloadPulse 4s ease-in-out infinite;
}

@keyframes downloadPulse {
  0%, 100% {
    box-shadow: 
      0 25px 50px rgba(76, 175, 80, 0.3),
      0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  }
  50% {
    box-shadow: 
      0 35px 70px rgba(76, 175, 80, 0.4),
      0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  }
}

.download-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%);
  animation: downloadShine 3s ease-in-out infinite;
}

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

.instructor-theme .download-card {
  background: linear-gradient(135deg, var(--turquoise-green), var(--electric-blue));
  box-shadow: 0 15px 40px rgba(0, 196, 154, 0.2);
}

.download-card::before,
.download-card::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.download-card::before {
  top: -100px;
  left: -100px;
}

.download-card::after {
  bottom: -100px;
  right: -100px;
}

.download-title {
  font-size: 2.5rem;
  color: white;
  margin-bottom: var(--spacing-sm);
}

.download-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.store-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.store-button {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  position: relative;
  overflow: hidden;
  width: 220px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  gap: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.store-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent);
  animation: storeButtonShine 3s ease-in-out infinite;
}

@keyframes storeButtonShine {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

.store-button:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.store-button.apple {
  border-color: rgba(76, 175, 80, 0.2);
  box-shadow: 
    0 8px 25px rgba(76, 175, 80, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.store-button.apple:hover {
  box-shadow: 
    0 15px 35px rgba(76, 175, 80, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.store-button.google {
  border-color: rgba(0, 196, 255, 0.2);
  box-shadow: 
    0 8px 25px rgba(0, 196, 255, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.store-button.google:hover {
  box-shadow: 
    0 15px 35px rgba(0, 196, 255, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

.store-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.store-icon i {
  font-size: 1.5rem;
}

.store-button.apple .store-icon {
  color: #4CAF50;
}

.store-button.google .store-icon {
  color: #00C4FF;
}

.store-button-text {
  text-align: left;
  color: white;
}

.store-button-text small {
  display: block;
  font-size: 0.7rem;
  opacity: 0.7;
  color: white;
}

.store-button-text span {
  font-weight: 600;
  font-size: 1.1rem;
  color: white;
}

/* Contact Section */
.contact-section {
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.contact-card {
  background-color: var(--light-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 1px solid var(--light-border);
}

body.dark-theme .contact-card {
  background-color: var(--dark-bg-card);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--dark-border);
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-align: left;
  transition: transform 0.3s ease;
}

.contact-method:hover {
  transform: translateY(-5px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--soft-cream);
  color: var(--mr-driver-green);
  border-radius: var(--radius-round);
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.2);
}

.instructor-theme .contact-icon {
  background: var(--soft-cream);
  color: var(--turquoise-green);
  border: 1px solid rgba(0, 196, 154, 0.2);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.contact-method h4 {
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.contact-method p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

/* App Footer */
.app-footer {
  background-color: var(--light-bg-secondary);
  color: var(--text-primary);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--light-border);
}

body.dark-theme .app-footer {
  background-color: var(--dark-bg-secondary);
  color: white;
  border-top: 1px solid var(--dark-border);
}

.footer-decoration {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 90%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 30% 70%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 90% 10%, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
  background-size: 100px 100px;
  z-index: -1;            /* send it behind footer-content */
  pointer-events: none;   /* disables any mouse interaction */
}

/* Footer content stays at default stacking so it remains clickable */
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
  /* no z-index needed since decoration is behind */
}

body.dark-theme .footer-decoration {
  background-image: 
    radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-logo img {
  height: 66px;
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

body.dark-theme .footer-logo-text {
  color: white;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--primary);
}

body.dark-theme .footer-link {
  color: rgba(255, 255, 255, 0.7);
}

body.dark-theme .footer-link:hover {
  color: white;
}

.footer-social {
  display: flex;
  gap: var(--spacing-xs);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--primary);
  border-radius: var(--radius-round);
  transition: all 0.3s ease;
}

body.dark-theme .social-link {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.social-link:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.instructor-theme .social-link:hover {
  background-color: var(--turquoise-green);
}

.footer-copyright {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--light-border);
  padding-top: var(--spacing-md);
}

body.dark-theme .footer-copyright {
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Toggle content */
.instructor-content {
  display: none;
}

/* Animation for elements */
.feature-card, .step-card, .contact-method {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.feature-card.visible, .step-card.visible, .contact-method.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:nth-child(2),
.step-card:nth-child(2) {
  transition-delay: 0.1s;
}

.feature-card:nth-child(3),
.step-card:nth-child(3) {
  transition-delay: 0.2s;
}

.feature-card:nth-child(4),
.step-card:nth-child(4) {
  transition-delay: 0.3s;
}

/* Modal Styles */
.modal-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  overflow-y: auto;
  padding: 20px;
}

.modal {
  background-color: var(--light-bg-secondary);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: modalFadeIn 0.3s ease;
  border: 1px solid var(--light-border);
  display: flex;
  flex-direction: column;
}

body.dark-theme .modal {
  background-color: var(--dark-bg-card);
  border: 1px solid var(--dark-border);
}

.instructor-theme .modal {
  border-color: rgba(0, 196, 154, 0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--light-border);
}

body.dark-theme .modal-header {
  border-bottom: 1px solid var(--dark-border);
}

.modal-header h2 {
  margin: 0;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--primary);
}

.instructor-theme .modal-close:hover {
  color: var(--turquoise-green);
}

.modal-content {
  padding: 20px;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-y: auto;
  flex: 1;
}

.modal-content h1, 
.modal-content h2, 
.modal-content h3, 
.modal-content h4, 
.modal-content h5, 
.modal-content h6 {
  color: var(--text-primary);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.modal-content h1 {
  font-size: 1.8rem;
  border-bottom: 1px solid var(--light-border);
  padding-bottom: 0.3em;
}

.modal-content h2 {
  font-size: 1.5rem;
}

.modal-content h3 {
  font-size: 1.3rem;
}

.modal-content p {
  margin-bottom: 1em;
}

.modal-content hr {
  border: 0;
  height: 1px;
  background-color: var(--light-border);
  margin: 1.5em 0;
}

.modal-content strong {
  font-weight: 600;
}

.modal-content em {
  font-style: italic;
}

.modal-content a {
  color: var(--primary);
  text-decoration: none;
}

.instructor-theme .modal-content a {
  color: var(--turquoise-green);
}

.modal-content a:hover {
  text-decoration: underline;
}

.modal-content .policy-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.modal-content .policy-table th,
.modal-content .policy-table td {
  border: 1px solid var(--light-border);
  padding: 8px 12px;
  text-align: left;
}

body.dark-theme .modal-content .policy-table th,
body.dark-theme .modal-content .policy-table td {
  border-color: var(--dark-border);
}

.modal-content .policy-table th {
  background-color: rgba(76, 175, 80, 0.1);
  font-weight: 600;
}

.instructor-theme .modal-content .policy-table th {
  background-color: rgba(0, 196, 154, 0.1);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  .card-content {
    flex-direction: column;
    text-align: center;
  }
  
  .card-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .app-mockup {
    margin-top: var(--spacing-md);
  }
  
  .app-mockup img {
    max-width: 80%;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .store-buttons {
    gap: var(--spacing-sm);
  }
  
  /* Reduce animations on tablets for better performance */
  .feature-card:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(2deg);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  body {
    padding-top: 60px; /* Reduce header space on mobile */
  }
  
  .app-header {
    padding: 0.6rem 0;
  }
  
  .app-nav {
    display: none;
  }
  
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo img {
    height: 50px;
  }
  
  .user-toggle {
    scale: 0.9;
  }
  
  .card-content {
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 0 var(--spacing-xs);
  }
  
  .card-title {
    font-size: 2.2rem;
    line-height: 1.1;
  }
  
  .card-description {
    font-size: 1rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .feature-card {
    padding: var(--spacing-sm);
    border-radius: 12px;
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  
  .feature-title {
    font-size: 1.1rem;
  }
  
  .step-card {
    padding: var(--spacing-sm);
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
    margin-bottom: var(--spacing-xs);
  }
  
  .download-card {
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 0 var(--spacing-xs);
    border-radius: 12px;
  }
  
  .download-title {
    font-size: 2rem;
  }
  
  .download-description {
    font-size: 1rem;
  }
  
  .contact-methods {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }
  
  .contact-method {
    max-width: 280px;
  }
  
  .contact-card {
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 0 var(--spacing-xs);
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-item {
    padding: var(--spacing-sm);
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }
  
  .footer-logo {
    margin-bottom: var(--spacing-sm);
  }
  
  .footer-links, .footer-social {
    justify-content: center;
    width: 100%;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  /* Disable 3D transforms on mobile for better performance */
  .feature-card:hover {
    transform: translateY(-5px);
  }
  
  /* Simplify animations on mobile */
  .btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
  }
  
  .store-button:hover {
    transform: translateY(-3px);
  }
  
  /* Mobile-specific modal adjustments */
  .modal {
    width: 95%;
    max-height: 85vh;
    margin: 0 auto;
  }
  
  .modal-content {
    padding: 15px 20px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  body {
    padding-top: 55px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .app-header {
    padding: 0.5rem 0;
  }
  
  .logo img {
    height: 45px;
  }
  
  .user-toggle {
    scale: 0.85;
  }
  
  .user-toggle-label {
    font-size: 0.8rem;
  }
  
  .toggle-switch {
    width: 42px;
    height: 20px;
  }
  
  .toggle-slider:before {
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
  }
  
  input:checked + .toggle-slider:before {
    transform: translateX(22px);
  }
  
  .card-content {
    padding: var(--spacing-sm);
    margin: 0;
    border-radius: 12px;
  }
  
  .card-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .card-description {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .section-description {
    font-size: 0.95rem;
  }
  
  .btn {
    width: 100%;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .feature-card {
    padding: var(--spacing-sm);
    border-radius: 10px;
  }
  
  .feature-icon {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
  
  .feature-title {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }
  
  .feature-description {
    font-size: 0.9rem;
  }
  
  .step-card {
    padding: var(--spacing-sm);
  }
  
  .step-number {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }
  
  .step-title {
    font-size: 1.1rem;
  }
  
  .step-description {
    font-size: 0.9rem;
  }
  
  .download-card {
    padding: var(--spacing-sm);
    border-radius: 10px;
  }
  
  .download-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
  }
  
  .download-description {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
  }
  
  .store-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
  }
  
  .store-button {
    width: 100%;
    max-width: 280px;
    padding: 0.7rem 1.2rem;
  }
  
  .store-icon i {
    font-size: 1.3rem;
  }
  
  .store-button-text small {
    font-size: 0.65rem;
  }
  
  .store-button-text span {
    font-size: 1rem;
  }
  
  .contact-card {
    padding: var(--spacing-sm);
    border-radius: 10px;
  }
  
  .contact-method {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-xs);
    max-width: 240px;
  }
  
  .contact-icon {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
  
  .contact-method h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
  }
  
  .contact-method p {
    font-size: 0.9rem;
    margin-bottom: 0;
  }
  
  .faq-item {
    padding: var(--spacing-sm);
    border-radius: 10px;
  }
  
  .faq-question {
    font-size: 1rem;
    padding-left: 1.2rem;
  }
  
  .faq-answer {
    font-size: 0.9rem;
    padding-left: 1.2rem;
  }
  
  .footer-content {
    padding: 0 var(--spacing-xs);
  }
  
  .footer-links {
    margin-bottom: var(--spacing-sm);
    gap: 0.5rem;
  }
  
  .footer-link {
    font-size: 0.9rem;
  }
  
  .social-link {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  
  .footer-copyright {
    font-size: 0.8rem;
  }
  
  /* Further simplify interactions on small screens */
  .feature-card:hover, 
  .step-card:hover, 
  .faq-item:hover {
    transform: none;
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.15);
  }
  
  /* Disable parallax and complex animations on small screens */
  .decorative-shape,
  .floating-particle {
    animation: none !important;
    transform: none !important;
  }
  
  /* Mobile-optimized modal */
  .modal {
    width: 98%;
    max-height: 90vh;
    border-radius: 10px;
  }
  
  .modal-header {
    padding: 15px;
  }
  
  .modal-header h2 {
    font-size: 1.3rem;
  }
  
  .modal-content {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
  
  .policy-content h1 {
    font-size: 1.4rem;
  }
  
  .policy-content h2 {
    font-size: 1.2rem;
  }
  
  .policy-content h3 {
    font-size: 1.1rem;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .feature-card:hover,
  .step-card:hover,
  .faq-item:hover,
  .contact-method:hover {
    transform: none;
  }
  
  .btn-primary:hover,
  .store-button:hover {
    transform: none;
  }
  
  /* Add touch-friendly active states instead */
  .feature-card:active,
  .step-card:active,
  .faq-item:active {
    transform: scale(0.98);
  }
  
  .btn-primary:active,
  .store-button:active {
    transform: scale(0.95);
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .decorative-shape,
  .floating-particle {
    animation: none !important;
  }
  
  .card-content,
  .download-card {
    animation: none !important;
  }
}