/* Chiikawa Puzzle - Main Stylesheet */

/* CSS Custom Properties (Variables) */
:root {
  /* Chiikawa Color Palette */
  --primary-pink: #FFB3D1;
  --secondary-pink: #FFC7E6;
  --accent-pink: #FF9EC7;
  --light-pink: #FFF2F8;
  --cream: #FFF8F0;
  --soft-blue: #E6F3FF;
  --lavender: #F0E6FF;
  --mint: #E6FFFA;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  
  /* Typography */
  --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */
  
  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* Border Radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 50%;
  
  /* 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-kawaii: 0 8px 32px 0 rgba(255, 179, 209, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: var(--space-4);
  --header-height: 4rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background: linear-gradient(135deg, var(--light-pink) 0%, var(--cream) 50%, var(--soft-blue) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Focus Management */
:focus {
  outline: 2px solid var(--primary-pink);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--primary-pink);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-3xl);
  color: var(--gray-800);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--space-4);
  color: var(--gray-700);
}

a {
  color: var(--primary-pink);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-pink);
  text-decoration: underline;
}

/* Layout Components */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.navbar {
  height: 100%;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: var(--font-size-lg);
  color: var(--primary-pink);
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-pink), var(--secondary-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
}

.brand-text {
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  font-weight: 600;
  color: var(--gray-700);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-pink);
  background: var(--light-pink);
  text-decoration: none;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 2px;
  background: var(--primary-pink);
  border-radius: var(--radius-full);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  gap: 4px;
}

.hamburger-line {
  width: 24px;
  height: 3px;
  background: var(--primary-pink);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

/* Main Content */
.main {
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--space-8);
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: var(--space-16) 0;
  background: radial-gradient(ellipse at center, rgba(255, 179, 209, 0.1) 0%, transparent 70%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease-out;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.badge {
  background: var(--white);
  color: var(--primary-pink);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--secondary-pink);
}

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-pink), var(--secondary-pink));
  border-radius: var(--radius-full);
}

/* Game Section */
.game-section {
  padding: var(--space-20) 0;
  background: var(--white);
  border-radius: var(--radius-2xl);
  margin: var(--space-8) var(--space-4);
  box-shadow: var(--shadow-kawaii);
  position: relative;
}

.game-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40" fill="%23FFB3D1" opacity="0.03"><path d="M20 5l5 15h15l-12 9 5 15-13-10-13 10 5-15-12-9h15z"/></svg>') repeat;
  pointer-events: none;
  border-radius: var(--radius-2xl);
}

.game-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.game-frame-container {
  position: relative;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  margin: 0 auto var(--space-8);
  border: 4px solid var(--secondary-pink);
  transition: all var(--transition-normal);
}

.game-frame-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px 0 rgba(255, 179, 209, 0.4);
  border-color: var(--primary-pink);
}

#game-frame {
  width: 100%;
  height: 600px;
  border: none;
  display: block;
}

.game-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--light-pink);
  color: var(--primary-pink);
  font-weight: 600;
  gap: var(--space-4);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--secondary-pink);
  border-top: 4px solid var(--primary-pink);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

/* Game Loading Animation */
.loading-spinner {
  animation: spin 1s linear infinite, pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
  from {
    border-color: var(--secondary-pink);
  }
  to {
    border-color: var(--primary-pink);
  }
}

/* Game Controls */
.game-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--light-pink), var(--cream));
  border-radius: var(--radius-xl);
  border: 2px solid var(--secondary-pink);
  box-shadow: var(--shadow-md);
  position: relative;
}

.game-controls::before {
  content: '🎮';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  border: 2px solid var(--secondary-pink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
  text-decoration: none;
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-pink);
  border: 2px solid var(--primary-pink);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary-pink);
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--primary-pink);
  border: 2px solid var(--primary-pink);
}

.btn-outline:hover {
  background: var(--primary-pink);
  color: var(--white);
  text-decoration: none;
}

.btn-icon {
  font-size: var(--font-size-lg);
}

/* Features Section */
.features-section {
  padding: var(--space-20) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.feature-card {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  border: 2px solid transparent;
}

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

.feature-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-title {
  color: var(--gray-800);
  margin-bottom: var(--space-4);
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* Characters Section */
.characters-section {
  padding: var(--space-20) 0;
  background: var(--light-pink);
  border-radius: var(--radius-2xl);
  margin: var(--space-8) var(--space-4);
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.character-card {
  background: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.character-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-kawaii);
}

.character-image {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  border: 4px solid var(--secondary-pink);
  transition: transform var(--transition-normal);
}

.character-card:hover .character-image {
  transform: scale(1.1);
}

.character-name {
  color: var(--primary-pink);
  margin-bottom: var(--space-2);
}

.character-description {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.characters-cta {
  text-align: center;
}

/* How to Play Section */
.howto-section {
  padding: var(--space-20) 0;
}

.howto-steps {
  max-width: 800px;
  margin: 0 auto var(--space-12);
}

.step {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  align-items: flex-start;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.step-content {
  flex: 1;
}

.step-title {
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.step-description {
  color: var(--gray-600);
  margin-bottom: 0;
}

.howto-cta {
  text-align: center;
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

/* Video Tutorial Section */
.video-tutorial {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, var(--white), var(--light-pink));
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8) var(--space-8);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--secondary-pink);
  position: relative;
  margin-top: var(--space-4);
}

.video-tutorial::before {
  content: '🎥';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  border: 2px solid var(--secondary-pink);
  box-shadow: var(--shadow-sm);
}

.video-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.video-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px 0 rgba(255, 179, 209, 0.3);
}

.video-container iframe {
  width: 100%;
  height: 315px;
  border: none;
  display: block;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-title {
  color: var(--primary-pink);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.footer-subtitle {
  color: var(--gray-100);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.footer-description {
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-pink);
  text-decoration: none;
}

.contact-info {
  display: flex;
  justify-content: flex-start;
  margin-top: var(--space-2);
}

.email-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-300);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: var(--font-size-base);
}

.email-link:hover {
  color: var(--primary-pink);
  background: rgba(255, 179, 209, 0.1);
  text-decoration: none;
  transform: translateY(-1px);
}

.email-icon {
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--space-8);
  text-align: center;
}

.copyright {
  color: var(--gray-400);
  margin-bottom: var(--space-2);
}

.disclaimer {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-10px);
  }
  70% {
    transform: translateY(-5px);
  }
  90% {
    transform: translateY(-2px);
  }
}

/* Responsive Design - Mobile First */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .characters-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-6);
  }
  
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    display: flex;
  }
  
  .hero-section {
    padding: var(--space-20) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .game-frame-container {
    max-width: 850px;
  }
  
  .step {
    align-items: center;
  }
  
  .howto-cta {
    flex-direction: row;
  }
  
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  :root {
    --container-padding: var(--space-8);
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .characters-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .game-section {
    margin: var(--space-8) var(--space-8);
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .game-frame-container {
    max-width: 900px;
  }
  
  .game-container {
    max-width: 1000px;
  }
}

/* Mobile-specific styles */
@media (max-width: 767px) {
  /* Navigation for mobile */
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
    z-index: 999;
    display: flex;
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .nav-item {
    width: 100%;
    margin-bottom: var(--space-2);
  }
  
  .nav-link {
    display: block;
    padding: var(--space-3);
    text-align: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
  }
  
  /* Ensure nav toggle is visible on mobile */
  .nav-toggle {
    display: flex !important;
  }
  
  /* Hero section mobile */
  .hero-section {
    padding: var(--space-12) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
    line-height: 1.1;
  }
  
  .hero-description {
    font-size: var(--font-size-base);
  }
  
  .hero-badges {
    flex-direction: column;
    align-items: center;
  }
  
  .badge {
    padding: var(--space-3) var(--space-6);
  }
  
  /* Game section mobile */
  .game-section {
    margin: var(--space-4) var(--space-2);
    padding: var(--space-12) 0;
    border-radius: var(--radius-xl);
  }
  
  .game-frame-container {
    max-width: 100%;
    margin: 0 auto var(--space-6);
    border-width: 2px;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  #game-frame {
    height: min(400px, 60vh);
    min-height: 350px;
    max-height: 70vh;
    width: 100%;
  }
  
  .game-controls {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  /* Features section mobile */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .feature-card {
    padding: var(--space-6);
  }
  
  /* Characters section mobile */
  .characters-section {
    margin: var(--space-4) var(--space-2);
    padding: var(--space-12) 0;
  }
  
  .characters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .character-card {
    padding: var(--space-4);
  }
  
  .character-image {
    width: 100px;
    height: 100px;
  }
  
  .character-name {
    font-size: var(--font-size-lg);
  }
  
  .character-description {
    font-size: var(--font-size-xs);
  }
  
  /* How to play section mobile */
  .howto-section {
    padding: var(--space-12) 0;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }
  
  .step-number {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }
  
  .howto-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .howto-cta .btn {
    width: 100%;
    max-width: 280px;
  }
  
  /* Video tutorial mobile */
  .video-tutorial {
    margin: var(--space-4) var(--space-2) 0;
    padding: var(--space-4) var(--space-4) var(--space-6);
  }
  
  .video-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
  }
  
  .video-container iframe {
    height: 200px;
  }
  
  /* Footer mobile */
  .footer {
    padding: var(--space-12) 0 var(--space-6);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  
  .contact-info {
    justify-content: center;
  }
  
  .footer-bottom {
    text-align: center;
  }
  
  .copyright,
  .disclaimer {
    font-size: var(--font-size-xs);
  }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575px) {
  :root {
    --container-padding: var(--space-3);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .characters-grid {
    grid-template-columns: 1fr;
  }
  
  .character-image {
    width: 120px;
    height: 120px;
  }
  
  .game-section {
    margin: var(--space-3) var(--space-1);
    padding: var(--space-8) 0;
  }
  
  #game-frame {
    height: min(350px, 55vh);
    max-height: 55vh;
  }
  
  .game-frame-container {
    min-height: 320px;
    height: min(350px, 55vh);
  }
  
  .nav-container {
    padding: 0 var(--space-2);
  }
  
  .brand-link {
    font-size: var(--font-size-base);
  }
  
  .brand-logo {
    width: 32px;
    height: 32px;
  }
  
  /* Video tutorial extra small screens */
  .video-tutorial {
    margin: var(--space-3) var(--space-1) 0;
    padding: var(--space-3) var(--space-3) var(--space-5);
  }
  
  .video-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-3);
  }
  
  .video-container iframe {
    height: 180px;
  }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-section {
    padding: var(--space-8) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
  }
  
  .hero-description {
    margin-bottom: var(--space-4);
  }
  
  .hero-badges {
    margin-bottom: var(--space-4);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-pink: #D91A72;
    --secondary-pink: #E94A8C;
    --accent-pink: #C51162;
  }
  
  .btn-outline,
  .nav-link {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
  /* Dark mode styles would go here if implemented */
}

/* Print styles */
@media print {
  .header,
  .nav-toggle,
  .game-section,
  .game-controls,
  .social-links,
  .btn {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero-title,
  .section-title {
    color: black;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Mobile-specific utility classes */
@media (max-width: 767px) {
  .hidden-mobile { display: none; }
  .show-mobile { display: block; }
}

@media (min-width: 768px) {
  .hidden-desktop { display: none; }
  .show-desktop { display: block; }
}

/* JavaScript Enhanced Styles */

/* Share Modal */
.share-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(5px);
}

.share-modal.show {
  opacity: 1;
  visibility: visible;
}

.share-modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.8) translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-xl);
}

.share-modal.show .share-modal-content {
  transform: scale(1) translateY(0);
}

.share-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--gray-200);
}

.share-modal-header h3 {
  margin: 0;
  color: var(--primary-pink);
  font-size: var(--font-size-xl);
}

.share-modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  color: var(--gray-500);
}

.share-modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.share-modal-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-height: 400px;
  overflow-y: auto;
}

.share-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 600;
}

.share-option:hover {
  border-color: var(--primary-pink);
  background: var(--light-pink);
  transform: translateY(-2px);
  color: var(--primary-pink);
  text-decoration: none;
}

.share-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-2);
}

.share-text {
  font-size: var(--font-size-sm);
}

/* Enhanced social platform specific styles */
.share-option[data-platform="tiktok"]:hover {
  border-color: #FF0050;
  background: rgba(255, 0, 80, 0.05);
  color: #FF0050;
}

.share-option[data-platform="x (twitter)"]:hover {
  border-color: #000000;
  background: rgba(0, 0, 0, 0.05);
  color: #000000;
}

.share-option[data-platform="instagram"]:hover {
  border-color: #E4405F;
  background: rgba(228, 64, 95, 0.05);
  color: #E4405F;
}

.share-option[data-platform="discord"]:hover {
  border-color: #5865F2;
  background: rgba(88, 101, 242, 0.05);
  color: #5865F2;
}

.share-option[data-platform="reddit"]:hover {
  border-color: #FF4500;
  background: rgba(255, 69, 0, 0.05);
  color: #FF4500;
}

.share-option[data-platform="facebook"]:hover {
  border-color: #1877F2;
  background: rgba(24, 119, 242, 0.05);
  color: #1877F2;
}

.share-option[data-platform="whatsapp"]:hover {
  border-color: #25D366;
  background: rgba(37, 211, 102, 0.05);
  color: #25D366;
}

.share-option[data-platform="copy link"]:hover {
  border-color: var(--primary-pink);
  background: var(--light-pink);
  color: var(--primary-pink);
}

/* Notifications */
.notification {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--white);
  color: var(--gray-800);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-pink);
  z-index: 9999;
  max-width: 300px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  font-weight: 600;
}

.notification.show {
  transform: translateX(0);
}

.notification.notification-success {
  border-left-color: #10B981;
  background: #F0FDF4;
  color: #065F46;
}

.notification.notification-error {
  border-left-color: #EF4444;
  background: #FEF2F2;
  color: #991B1B;
}

.notification.notification-warning {
  border-left-color: #F59E0B;
  background: #FFFBEB;
  color: #92400E;
}

.notification.notification-info {
  border-left-color: var(--primary-pink);
  background: var(--light-pink);
  color: var(--gray-800);
}

/* Lazy Loading States */
.lazy-loading {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  min-height: 150px;
}

.lazy-loaded {
  animation: fadeInImage 0.3s ease-in-out;
}

.lazy-error .image-placeholder {
  background: var(--gray-100);
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-500);
}

.placeholder-icon {
  font-size: var(--font-size-3xl);
}

.placeholder-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Progressive Image Loading */
.progressive-low {
  filter: blur(2px);
  transition: filter 0.3s ease;
}

.progressive-high {
  filter: blur(0);
}

/* Scroll Animations */
.animate-in {
  animation: slideInUp 0.6s ease-out;
}

/* Header Scroll State */
.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Button States */
.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Game Frame Loading States */
.game-frame-container.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 179, 209, 0.3), transparent);
  animation: slideProgress 2s infinite;
  z-index: 1;
}

/* Enhanced Navigation States */
.nav-menu.active {
  box-shadow: var(--shadow-xl);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Fullscreen Enhancements */
.game-frame-container:fullscreen {
  background: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-frame-container:fullscreen #game-frame {
  max-width: 100vw;
  max-height: 100vh;
  width: auto;
  height: auto;
}

/* Enhanced Hover Effects */
.character-card:hover {
  box-shadow: var(--shadow-kawaii);
}

.feature-card:hover .feature-icon {
  animation: bounce 0.6s ease-in-out;
}

/* Loading States */
.loaded .features-section,
.loaded .characters-section,
.loaded .howto-section,
.loaded .footer {
  opacity: 1;
}

/* Enhanced Mobile Interactions */
@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
  }
  
  .character-card:hover {
    transform: none;
  }
  
  .feature-card:hover {
    transform: none;
  }
}

/* Reduced Motion Overrides */
@media (prefers-reduced-motion: reduce) {
  .lazy-loading {
    animation: none;
    background: var(--gray-200);
  }
  
  .share-modal-content {
    transform: none;
  }
  
  .notification {
    transform: none;
    transition: opacity var(--transition-fast);
  }
  
  .notification.show {
    opacity: 1;
  }
}

/* Additional Animation Keyframes */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes fadeInImage {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideProgress {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

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

/* WebP Support Styles */
.webp .character-image {
  background: url('data:image/webp;base64,UklGRjoAAABXRUJQVlA4IC4AAACyAgCdASoCAAIALmk0mk0iIiIiIgBoSygABc6WWgAA/veff/0PP8bA//LwYAAA');
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .brand-logo {
    background-size: contain;
  }
  
  .character-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* ================================
   New Section Styles - Professional Design
   ================================ */

/* Gallery Section */
.gallery-section {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--lavender) 0%, var(--light-pink) 50%, var(--mint) 100%);
  position: relative;
  overflow: hidden;
}

.gallery-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="%23FFB3D1" opacity="0.05"><circle cx="10" cy="10" r="2"/></svg>') repeat;
  pointer-events: none;
}

.section-description {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-12);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 500;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.gallery-item {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-kawaii);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  border: 2px solid transparent;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(255, 179, 209, 0.4);
  border-color: var(--secondary-pink);
}

.gallery-image-placeholder {
  padding: var(--space-8);
  text-align: center;
  background: linear-gradient(135deg, var(--light-pink), var(--secondary-pink));
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.character-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  animation: float 3s ease-in-out infinite;
}

.gallery-item h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.gallery-item p {
  color: var(--gray-600);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.gallery-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--secondary-pink);
}

.gallery-note {
  font-size: var(--font-size-lg);
  color: var(--gray-700);
  margin-bottom: var(--space-4);
  font-weight: 600;
}

/* About Section */
.about-section {
  padding: var(--space-20) 0;
  background: var(--white);
  position: relative;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-text h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.about-text h3::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-pink), var(--accent-pink));
  border-radius: var(--radius-full);
}

.about-text p {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: var(--space-6);
}

.benefits-list {
  list-style: none;
  margin-bottom: var(--space-8);
}

.benefits-list li {
  padding: var(--space-3) 0;
  font-size: var(--font-size-base);
  color: var(--gray-700);
  position: relative;
  padding-left: var(--space-6);
  line-height: 1.6;
}

.benefits-list li::before {
  content: '✨';
  position: absolute;
  left: 0;
  top: var(--space-3);
  animation: sparkle 2s ease-in-out infinite;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.stat-card {
  background: linear-gradient(135deg, var(--primary-pink), var(--secondary-pink));
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  transform: rotate(45deg);
  transition: transform var(--transition-slow);
}

.stat-card:hover {
  transform: scale(1.05);
}

.stat-card:hover::before {
  transform: rotate(45deg) scale(1.1);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: relative;
  z-index: 2;
}

.stat-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

/* FAQ Section */
.faq-section {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--cream) 0%, var(--light-pink) 100%);
  position: relative;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-kawaii);
  border-color: var(--secondary-pink);
}

.faq-question {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question::before {
  content: '🤔';
  font-size: var(--font-size-xl);
  transition: transform var(--transition-fast);
}

.faq-item:hover .faq-question {
  color: var(--primary-pink);
}

.faq-item:hover .faq-question::before {
  transform: scale(1.1);
}

.faq-answer {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-600);
  margin-bottom: 0;
}

.faq-cta {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--secondary-pink);
}

.faq-cta p {
  font-size: var(--font-size-lg);
  color: var(--gray-700);
  margin-bottom: 0;
}

.contact-link {
  color: var(--primary-pink);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--transition-fast);
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-pink);
  transition: width var(--transition-fast);
}

.contact-link:hover {
  color: var(--accent-pink);
  text-decoration: none;
}

.contact-link:hover::after {
  width: 100%;
}

/* Enhanced Button Styles for New Sections */
#share-achievement {
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  color: var(--white);
  border: none;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

#share-achievement::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-normal);
}

#share-achievement:hover::before {
  left: 100%;
}

#share-achievement:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Mobile Responsive Enhancements for New Sections */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  
  .stat-card {
    padding: var(--space-4);
  }
  
  .stat-number {
    font-size: var(--font-size-2xl);
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .faq-item {
    padding: var(--space-6);
  }
  
  .gallery-section,
  .about-section,
  .faq-section {
    padding: var(--space-12) 0;
  }
  
  .section-description {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-8);
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .stat-number {
    font-size: var(--font-size-xl);
  }
  
  .gallery-image-placeholder {
    min-height: 160px;
    padding: var(--space-6);
  }
  
  .character-icon {
    font-size: 2.5rem;
  }
  
  .faq-question {
    font-size: var(--font-size-base);
  }
  
  .about-text h3 {
    font-size: var(--font-size-xl);
  }
}

/* Animation Enhancements */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-item,
.faq-item,
.stat-card {
  animation: fadeInUp 0.6s ease-out;
}

.gallery-item:nth-child(even) {
  animation-delay: 0.1s;
}

.faq-item:nth-child(odd) {
  animation-delay: 0.2s;
}

/* Enhanced Game Experience */
.game-frame-container::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary-pink), var(--secondary-pink), var(--accent-pink), var(--primary-pink));
  z-index: -1;
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.game-frame-container:hover::after {
  opacity: 0.7;
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  .character-icon,
  .benefits-list li::before,
  .stat-card::before {
    animation: none;
  }
  
  .gallery-item,
  .faq-item,
  .stat-card {
    animation: none;
  }
}

/* Print Styles for New Sections */
@media print {
  .gallery-section,
  .faq-section {
    background: white !important;
  }
  
  .stat-card {
    background: white !important;
    color: black !important;
    border: 1px solid black;
  }
  
  .gallery-image-placeholder {
    background: white !important;
    border: 1px solid black;
  }
}

/* ================================
   Gallery Real Images Styles
   ================================ */

/* Gallery image styling for real player screenshots */
.gallery-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), filter var(--transition-normal);
  display: block;
  box-shadow: var(--shadow-sm);
}

.gallery-item:hover .gallery-image {
  transform: scale(1.02);
  filter: brightness(1.05);
}

/* Gallery info section for user names and times */
.gallery-info {
  padding: var(--space-4) var(--space-5);
  background: var(--white);
  text-align: center;
}

.gallery-info h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--primary-pink);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.gallery-info p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: 0;
  line-height: 1.4;
}

/* Updated gallery item layout for real images */
.gallery-item {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-kawaii);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  border: 2px solid transparent;
  max-height: 300px;
  display: flex;
  flex-direction: column;
}

/* Enhanced gallery grid for masonry-like effect */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

/* Responsive adjustments for gallery images */
@media (max-width: 768px) {
  .gallery-image {
    height: 180px;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
  }
  
  .gallery-item {
    max-height: 260px;
  }
  
  .gallery-info {
    padding: var(--space-3) var(--space-4);
  }
  
  .gallery-info h3 {
    font-size: var(--font-size-sm);
  }
  
  .gallery-info p {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .gallery-image {
    height: 160px;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .gallery-item {
    max-height: 240px;
  }
  
  .gallery-info {
    padding: var(--space-3);
  }
}

/* Special styling for different aspect ratio images */
@media (min-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
  
  .gallery-image {
    height: 220px;
  }
  
  .gallery-item {
    max-height: 320px;
  }
}

/* ================================
   New Features: Theme Toggle & Back to Top
   ================================ */

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  font-size: var(--font-size-lg);
}

.theme-toggle:hover {
  background: var(--light-pink);
  color: var(--primary-pink);
}

.theme-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-pink));
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: bold;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--accent-pink), var(--primary-pink));
}

.back-to-top-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Dark Mode Variables */
:root {
  --dark-bg: #1a1a1a;
  --dark-bg-secondary: #2d2d2d;
  --dark-text: #e5e5e5;
  --dark-text-secondary: #b3b3b3;
  --dark-border: #404040;
  --dark-card-bg: #252525;
  --dark-input-bg: #333333;
}

/* Dark Mode Styles */
[data-theme="dark"] {
  --white: var(--dark-card-bg);
  --gray-50: var(--dark-bg-secondary);
  --gray-100: #333333;
  --gray-200: var(--dark-border);
  --gray-300: #606060;
  --gray-400: #808080;
  --gray-500: #a0a0a0;
  --gray-600: var(--dark-text-secondary);
  --gray-700: var(--dark-text);
  --gray-800: var(--dark-text);
  --gray-900: var(--dark-text);
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 50%, #0a0a0a 100%) !important;
  background-attachment: fixed;
  color: var(--dark-text) !important;
}

/* Dark theme text elements */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--dark-text) !important;
}

[data-theme="dark"] p {
  color: var(--dark-text-secondary) !important;
}

[data-theme="dark"] a {
  color: var(--primary-pink) !important;
}

[data-theme="dark"] a:hover {
  color: var(--accent-pink) !important;
}

/* Dark theme specific text overrides */
[data-theme="dark"] .hero-title,
[data-theme="dark"] .section-title,
[data-theme="dark"] .feature-title,
[data-theme="dark"] .character-name,
[data-theme="dark"] .step-title,
[data-theme="dark"] .faq-question,
[data-theme="dark"] .footer-title,
[data-theme="dark"] .footer-subtitle {
  color: var(--dark-text) !important;
}

[data-theme="dark"] .hero-description,
[data-theme="dark"] .feature-description,
[data-theme="dark"] .character-description,
[data-theme="dark"] .step-description,
[data-theme="dark"] .faq-answer,
[data-theme="dark"] .section-description,
[data-theme="dark"] .footer-description,
[data-theme="dark"] .gallery-note {
  color: var(--dark-text-secondary) !important;
}

[data-theme="dark"] .header {
  background: rgba(40, 40, 40, 0.95) !important;
  border-bottom: 1px solid var(--dark-border);
}

[data-theme="dark"] .game-section,
[data-theme="dark"] .page-section,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .character-card,
[data-theme="dark"] .faq-item,
[data-theme="dark"] .gallery-item,
[data-theme="dark"] .gallery-cta,
[data-theme="dark"] .faq-cta,
[data-theme="dark"] .highlight-box,
[data-theme="dark"] .about-section {
  background: var(--dark-card-bg) !important;
  border-color: var(--dark-border) !important;
}

[data-theme="dark"] .characters-section {
  background: #1f1f1f !important;
}

[data-theme="dark"] .gallery-section {
  background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 50%, #1a1a2a 100%) !important;
}

[data-theme="dark"] .faq-section {
  background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%) !important;
}

[data-theme="dark"] .footer {
  background: #0f0f0f !important;
}

[data-theme="dark"] .game-frame-container {
  border-color: var(--dark-border) !important;
  background: linear-gradient(135deg, #333333, #2a2a2a) !important;
}

[data-theme="dark"] .game-controls {
  background: linear-gradient(135deg, #2a2a2a, #1a1a1a) !important;
  border-color: var(--dark-border) !important;
}

[data-theme="dark"] .stat-card {
  background: linear-gradient(135deg, var(--primary-pink), var(--secondary-pink)) !important;
}

[data-theme="dark"] .theme-toggle {
  color: var(--dark-text);
}

[data-theme="dark"] .theme-toggle:hover {
  background: rgba(255, 179, 209, 0.1) !important;
  color: var(--primary-pink);
}

/* Additional dark theme navigation and UI elements */
[data-theme="dark"] .nav-link {
  color: var(--dark-text) !important;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--primary-pink) !important;
  background: rgba(255, 179, 209, 0.1) !important;
}

[data-theme="dark"] .brand-text {
  color: var(--primary-pink) !important;
}

/* Dark theme for specific components that might have been missed */
[data-theme="dark"] .copyright,
[data-theme="dark"] .disclaimer {
  color: var(--dark-text-secondary) !important;
}

[data-theme="dark"] .email-link {
  color: var(--dark-text) !important;
}

[data-theme="dark"] .email-link:hover {
  color: var(--primary-pink) !important;
}

[data-theme="dark"] .video-tutorial {
  background: linear-gradient(135deg, var(--dark-card-bg), #2a2a2a) !important;
  border-color: var(--dark-border) !important;
}

[data-theme="dark"] .video-title {
  color: var(--dark-text);
}

/* Mobile adjustments for new features */
@media (max-width: 768px) {
  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 45px;
    height: 45px;
    font-size: var(--font-size-lg);
  }
  
  .theme-toggle {
    padding: var(--space-2);
    font-size: var(--font-size-base);
  }
  
  /* Mobile share modal adjustments */
  .share-modal-content {
    width: 95%;
    padding: var(--space-4);
  }
  
  .share-modal-body {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
  
  .share-option {
    padding: var(--space-3);
  }
  
  .share-icon {
    font-size: var(--font-size-2xl);
  }
  
  .share-text {
    font-size: var(--font-size-xs);
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .share-modal-body {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  
  .share-option {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: var(--space-3) var(--space-4);
  }
  
  .share-icon {
    margin-bottom: 0;
    margin-right: var(--space-3);
    font-size: var(--font-size-xl);
  }
  
  .share-text {
    font-size: var(--font-size-sm);
  }
}