/* CSS Variables for Theme Colors */
:root {
  --primary-color: #88898a;
  --secondary-color: #1e1e1e;
  --light-color: #e5e5e6;
  --lighter-color: #dddedf;
  --white: #ffffff;
  --black: #000000;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #88898a 0%, #1e1e1e 100%);
  --gradient-secondary: linear-gradient(135deg, #e5e5e6 0%, #dddedf 100%);
  --gradient-overlay: linear-gradient(rgba(30, 30, 30, 0.8), rgba(30, 30, 30, 0.8));
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --radius-xl: 20px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
}

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

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

body {
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Section Titles */
.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--secondary-color);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-small);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-medium);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-medium);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

.btn-download {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-heavy);
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-light);
}

.navbar {
  padding: var(--spacing-sm) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-medium);
  color: var(--secondary-color);
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  background: var(--light-color);
  color: var(--primary-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--secondary-color);
  margin: 3px 0;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  padding: 120px 0 var(--spacing-xxl);
  background: var(--gradient-secondary);
  position: relative;
  overflow: hidden;
}

.hero::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="50" cy="10" r="1" fill="%23000" opacity="0.02"/><circle cx="10" cy="60" r="1" fill="%23000" opacity="0.02"/><circle cx="90" cy="40" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-color);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  opacity: 0.8;
}

.hero-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--secondary-color);
  font-weight: 500;
}

.info-item i {
  color: var(--primary-color);
}

.hero-tags {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.tag {
  background: var(--white);
  color: var(--secondary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-large);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-light);
}

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

/* Features Section */
.features {
  padding: var(--spacing-xxl) 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-medium);
  text-align: center;
  transition: var(--transition-medium);
  border: 1px solid var(--lighter-color);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.feature-icon i {
  font-size: 2rem;
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-color);
}

.feature-card p {
  color: var(--secondary-color);
  opacity: 0.8;
  line-height: 1.6;
}

/* Gallery Section */
.gallery {
  padding: var(--spacing-xxl) 0;
  background: var(--light-color);
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  cursor: pointer;
  transition: var(--transition-medium);
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-heavy);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition-medium);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 30, 30, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-medium);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  font-size: 2rem;
  color: var(--white);
}

/* News Section */
.news {
  padding: var(--spacing-xxl) 0;
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: var(--transition-medium);
  border: 1px solid var(--lighter-color);
}

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

.news-date {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-sm);
  text-align: center;
  font-weight: 600;
}

.date-day {
  display: block;
  font-size: 1.5rem;
}

.date-month {
  font-size: 0.9rem;
  opacity: 0.9;
}

.news-content {
  padding: var(--spacing-lg);
}

.news-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-color);
}

.news-content p {
  color: var(--secondary-color);
  opacity: 0.8;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary-color);
  font-weight: 500;
  transition: var(--transition-fast);
}

.news-link:hover {
  color: var(--secondary-color);
}

/* Reviews Section */
.reviews {
  padding: var(--spacing-xxl) 0;
  background: var(--light-color);
}

.reviews-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.rating-overview {
  text-align: center;
}

.rating-score {
  font-size: 3rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.rating-stars {
  margin-bottom: var(--spacing-xs);
}

.rating-stars i {
  color: #ffd700;
  font-size: 1.2rem;
  margin: 0 2px;
}

.rating-count {
  color: var(--primary-color);
  font-size: 0.9rem;
}

.rating-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.rating-tag {
  background: var(--white);
  color: var(--secondary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-large);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-light);
}

.reviews-carousel {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.review-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-medium);
  margin: 0 var(--spacing-sm);
  display: none;
}

.review-card.active {
  display: block;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.reviewer-name {
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.review-stars i {
  color: #ffd700;
  margin-right: 2px;
}

.review-date {
  color: var(--primary-color);
  font-size: 0.9rem;
}

.review-text {
  color: var(--secondary-color);
  line-height: 1.7;
  font-style: italic;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--white);
  color: var(--primary-color);
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.carousel-btn:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* Version History Section */
.version-history {
  padding: var(--spacing-xxl) 0;
  background: var(--white);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: 80px;
}

.timeline-marker {
  position: absolute;
  left: 20px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--white);
  border: 3px solid var(--primary-color);
  border-radius: 50%;
}

.timeline-content {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--lighter-color);
}

.version-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.version-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.version-date {
  color: var(--primary-color);
  font-weight: 500;
}

.version-details {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--secondary-color);
  font-size: 0.9rem;
}

.detail-item i {
  color: var(--primary-color);
}

.version-features {
  margin-bottom: var(--spacing-lg);
}

.version-features li {
  padding: var(--spacing-xs) 0;
  color: var(--secondary-color);
  position: relative;
  padding-left: var(--spacing-md);
}

.version-features li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.version-download {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-medium);
  font-weight: 500;
  transition: var(--transition-medium);
}

.version-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* FAQ Section */
.faq {
  padding: var(--spacing-xxl) 0;
  background: var(--light-color);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-large);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-light);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.faq-question:hover {
  background: var(--lighter-color);
}

.faq-question h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.faq-question i {
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-medium);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  color: var(--secondary-color);
  line-height: 1.6;
  opacity: 0.8;
}

/* Download Section */
.download {
  padding: var(--spacing-xxl) 0;
  background: var(--gradient-primary);
  color: var(--white);
  text-align: center;
}

.download-content h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.download-content p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.download-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.download-stats {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
}

.stat-item i {
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background: var(--secondary-color);
  color: var(--light-color);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

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

.footer-links a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--white);
  color: var(--secondary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--primary-color);
  color: var(--primary-color);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-heavy);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  z-index: 1000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  margin: 5% auto;
  max-width: 90%;
  max-height: 90%;
}

.modal-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-large);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-lg) 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
    justify-items: center;
  }

  .hero-info .info-item {
    flex-direction: column;
    text-align: center;
    font-size: 0.85rem;
  }

  .hero-info .info-item i {
    margin-bottom: 2px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    justify-items: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .reviews-stats {
    flex-direction: column;
    text-align: center;
  }

  .rating-tags {
    justify-content: center;
  }

  .version-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .version-details {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .download-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .download-content h2 {
    font-size: 2rem;
  }

  .timeline::before {
    left: 15px;
  }

  .timeline-item {
    padding-left: 50px;
  }

  .timeline-marker {
    left: 5px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    justify-items: center;
  }

  .hero-info .info-item {
    flex-direction: column;
    text-align: center;
    font-size: 0.8rem;
  }

  .hero-info .info-item i {
    margin-bottom: 2px;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .feature-card,
  .news-card,
  .timeline-content {
    padding: var(--spacing-lg);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .btn-download {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
  }

  .modal-content {
    margin: 10% auto;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Focus States for Accessibility */
.btn:focus,
.nav-link:focus,
.faq-question:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #000000;
    --secondary-color: #000000;
    --light-color: #ffffff;
    --lighter-color: #f0f0f0;
  }
}

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