:root {
  /* Триадная цветовая схема */
  --color-primary: #007BFF;
  --color-primary-light: #4DA3FF;
  --color-primary-dark: #0056B3;
  --color-secondary: #FF6B35;
  --color-secondary-light: #FF8A5C;
  --color-secondary-dark: #E55A2B;
  --color-tertiary: #28A745;
  --color-tertiary-light: #5CBB70;
  --color-tertiary-dark: #1E7E34;
  
  /* Нейтральные цвета */
  --color-white: #FFFFFF;
  --color-light: #F8F9FA;
  --color-gray-100: #E9ECEF;
  --color-gray-200: #DEE2E6;
  --color-gray-300: #CED4DA;
  --color-gray-400: #ADB5BD;
  --color-gray-500: #6C757D;
  --color-gray-600: #495057;
  --color-gray-700: #343A40;
  --color-gray-800: #212529;
  --color-dark: #1A1A1A;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  --gradient-hero: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  
  /* Шрифты */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-secondary: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Отступы */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Радиусы скругления */
  --border-radius-sm: 0.5rem;
  --border-radius-md: 1rem;
  --border-radius-lg: 1.5rem;
  --border-radius-xl: 2rem;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
  --shadow-glass: 0 8px 32px rgba(31, 38, 135, 0.37);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Переходы */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Breakpoints */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;
}

/* Reset и базовые стили */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* Заголовки */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-800);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

/* Параграфы и текст */
p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-600);
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Кнопки - ГЛОБАЛЬНЫЕ СТИЛИ */
.btn,
button,
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  min-width: 140px;
  box-shadow: var(--shadow-md);
  transform: translateY(0);
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-base);
}

.btn:hover:before {
  left: 100%;
}

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

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  color: var(--color-white);
  filter: brightness(1.1);
}

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

.btn-secondary:hover {
  color: var(--color-white);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  backdrop-filter: blur(10px);
}

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

/* Заголовки секций */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
  position: relative;
}

.section-title {
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* Header и Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: var(--z-fixed);
  transition: var(--transition-base);
}

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

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

.brand-link {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-link:hover {
  text-decoration: none;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.navbar-toggle span {
  width: 24px;
  height: 3px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: var(--transition-base);
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
  padding: 0;
}

.navbar-nav a {
  font-weight: 500;
  color: var(--color-gray-700);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.navbar-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

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

@media (max-width: 991px) {
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: var(--transition-base);
  }
  
  .navbar-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .navbar-nav {
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
  }
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.hero-title {
  color: var(--color-white);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  justify-content: center;
  animation: fadeInUp 1s ease-out 0.4s both;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* About Section */
.about-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-light);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.about-text h3::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  object-fit: cover;
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0.7;
}

.about-image:hover img {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .about-image {
    order: -1;
  }
}

/* Features Section */
.features-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-glass);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: translateX(-100%);
  transition: var(--transition-base);
}

.feature-card:hover::before {
  transform: translateX(0);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

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

.animated-icon {
  width: 40px;
  height: 40px;
  background: var(--color-white);
  border-radius: 8px;
  position: relative;
}

.animated-icon::before,
.animated-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  animation: pulse 2s infinite;
}

.animated-icon[data-icon="chart-trending"]::before {
  width: 20px;
  height: 3px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(15deg);
}

.feature-card h3 {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-md);
}

.feature-card p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin: 0;
}

/* Methodology Section */
.methodology-section {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-light) 0%, rgba(0, 123, 255, 0.05) 100%);
}

.methodology-timeline {
  position: relative;
}

.methodology-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: right;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.timeline-content {
  width: calc(50% - 40px);
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.timeline-image {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
  align-items: center;
}

.timeline-image img {
  width: 100%;
  max-width: 400px;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .methodology-timeline::before {
    left: 30px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
  }
  
  .timeline-marker {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px;
  }
}

/* Projects Section */
.projects-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
}

.projects-slider {
  position: relative;
  margin-bottom: var(--spacing-2xl);
}

.project-slide {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.project-slide.active {
  display: block;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

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

.card-content {
  padding: var(--spacing-2xl);
  text-align: center;
}

.card-content h3 {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-lg);
}

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

.stat {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition-base);
}

.slider-btn:hover {
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-gray-300);
  cursor: pointer;
  transition: var(--transition-base);
}

.dot.active,
.dot:hover {
  background: var(--color-primary);
}

/* Resources Section */
.resources-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-light);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.resource-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  text-align: center;
}

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

.resource-card h3 {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.resource-card p {
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: var(--transition-base);
  text-decoration: none;
}

.resource-link:hover {
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

/* Gallery Section */
.gallery-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 300px;
}

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

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

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Community Section */
.community-section {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  color: var(--color-white);
}

.community-section .section-title {
  color: var(--color-white);
  -webkit-text-fill-color: var(--color-white);
}

.community-section .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.community-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-4xl);
}

.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-primary);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
}

.community-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.community-text h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.community-text p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
}

.community-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.benefit-item {
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.benefit-item p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.community-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.community-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
}

@media (max-width: 768px) {
  .community-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .community-image {
    order: -1;
  }
  
  .community-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-info h3 {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-lg);
}

.contact-item h4 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.contact-item p {
  color: var(--color-gray-600);
  margin: 0;
  line-height: 1.8;
}

.contact-form-wrapper {
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  transition: var(--transition-base);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

/* Footer */
.footer {
  background: var(--color-gray-800);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--color-gray-400);
  margin: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-2xl);
}

.footer-column h4 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

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

.footer-column li {
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  color: var(--color-gray-400);
  transition: var(--transition-fast);
  text-decoration: none;
}

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

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

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  color: var(--color-gray-400);
  transition: var(--transition-fast);
  border-radius: var(--border-radius-sm);
}

.social-links a:hover {
  color: var(--color-primary-light);
  background: rgba(0, 123, 255, 0.1);
  text-decoration: none;
}

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

.footer-bottom p {
  color: var(--color-gray-500);
  margin: 0;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-xl);
}

.success-content {
  max-width: 600px;
}

.success-content h1 {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-xl);
}

.success-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
}

.success-content .btn {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.success-content .btn:hover {
  background: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Privacy and Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-4xl);
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.privacy-content h1,
.terms-content h1 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-gray-800);
}

.privacy-content h2,
.terms-content h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.privacy-content p,
.terms-content p {
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.privacy-content ul,
.terms-content ul {
  margin: var(--spacing-lg) 0;
  padding-left: var(--spacing-xl);
}

.privacy-content li,
.terms-content li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.95);
  }
}

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

/* Parallax Effect */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

@media (max-width: 768px) {
  .parallax {
    background-attachment: scroll;
  }
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mt-4 {
  margin-top: var(--spacing-xl);
}

.d-none {
  display: none;
}

.d-block {
  display: block;
}

.d-flex {
  display: flex;
}

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

.align-center {
  align-items: center;
}

.w-100 {
  width: 100%;
}

.h-100 {
  height: 100%;
}

/* Responsive Typography */
@media (max-width: 1200px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --spacing-4xl: 3rem;
    --spacing-3xl: 2rem;
    --spacing-2xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --spacing-4xl: 2rem;
    --spacing-3xl: 1.5rem;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .slider-controls {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: black;
  }
  
  .section-title {
    color: black;
    -webkit-text-fill-color: black;
  }
  
  .card,
  .feature-card,
  .resource-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0056b3;
    --color-secondary: #dc3545;
    --color-tertiary: #198754;
    --color-gray-600: #000000;
    --color-gray-700: #000000;
    --color-gray-800: #000000;
  }
  
  .btn-outline {
    border-width: 3px;
  }
  
  .card,
  .feature-card,
  .resource-card {
    border: 2px solid var(--color-gray-800);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .parallax {
    background-attachment: scroll;
  }
}