/* CSS Variables - Тетрада цветовая схема */
:root {
  /* Основные цвета - Тетрада */
  --primary-color: #FF6B35;
  --secondary-color: #35A8FF;
  --tertiary-color: #8B35FF;
  --quaternary-color: #35FF8B;
  
  /* Дополнительные цвета */
  --accent-color: #FFD700;
  --dark-primary: #E55A2B;
  --dark-secondary: #2B97E5;
  --dark-tertiary: #7A2BE5;
  --dark-quaternary: #2BE57A;
  
  /* Нейтральные цвета */
  --white: #FFFFFF;
  --black: #000000;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--dark-primary));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--dark-secondary));
  --gradient-tertiary: linear-gradient(135deg, var(--tertiary-color), var(--dark-tertiary));
  --gradient-quaternary: linear-gradient(135deg, var(--quaternary-color), var(--dark-quaternary));
  --gradient-hero: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(139, 53, 255, 0.9));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), #FFA500);
  
  /* Типография */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 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 и размеры */
  --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;
  
  /* Границы и тени */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 50%;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Переходы */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Сброс стилей и базовые настройки */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

/* Частицы фон */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0.1;
}

/* Типография */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

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

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);
}

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

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

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

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

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

.text-white {
  color: var(--white) !important;
}

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

.section-title {
  text-align: center;
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
}

/* Кнопки - Глобальные стили */
.btn,
button,
input[type='submit'] {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.btn::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-slow);
}

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

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

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

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

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

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

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

.btn-accent {
  background: var(--gradient-accent);
  color: var(--gray-800);
}

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

/* Карточки */
.card {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

.card-image {
  width: 100%;
  height: 200px;
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
  margin: 0 auto;
}

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

.card-content {
  width: 100%;
  text-align: center;
}

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

.card-content p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* Навигация */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.navbar-brand .brand-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--gray-700);
  font-weight: var(--font-weight-semibold);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.navbar-burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.navbar-burger span {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  margin: 3px 0;
  transition: all var(--transition-base);
}

/* 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);
  opacity: 0.8;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-4xl) 0;
}

.hero-title {
  font-size: var(--font-size-6xl);
  margin-bottom: var(--spacing-lg);
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--white) !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.stat-widget {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--white);
  opacity: 0.9;
  margin-top: var(--spacing-xs);
}

/* Features Section */
.features-section {
  padding: var(--spacing-4xl) 0;
  background: var(--gray-100);
}

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

.feature-card {
  background: var(--white);
  height: auto;
}

.feature-card .card-image {
  height: 250px;
}

.progress-indicator {
  width: 100%;
  height: 4px;
  background: var(--gray-200);
  border-radius: var(--border-radius-full);
  margin-top: var(--spacing-lg);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  width: 0;
  transition: width 2s ease-in-out;
}

/* Methodology Section */
.methodology-section {
  padding: var(--spacing-4xl) 0;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

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

.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(odd) {
  justify-content: flex-end;
  text-align: right;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  text-align: left;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--white);
  border: 4px solid var(--primary-color);
  border-radius: var(--border-radius-full);
  z-index: 2;
}

.timeline-content {
  max-width: 45%;
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 10px solid transparent;
  border-left-color: var(--white);
}

.timeline-item:nth-child(even) .timeline-content::before {
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 10px solid transparent;
  border-right-color: var(--white);
}

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

.carousel-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.carousel {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-item {
  min-width: 100%;
  position: relative;
}

.carousel-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-xl);
  text-align: center;
}

.carousel-caption h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.carousel-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  transform: translateY(-50%);
}

.carousel-prev,
.carousel-next {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: none;
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.carousel-prev:hover,
.carousel-next:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* News Section */
.news-section {
  padding: var(--spacing-4xl) 0;
  background: var(--gray-100);
}

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

.news-card {
  background: var(--white);
  transition: all var(--transition-base);
}

.news-card:hover {
  transform: translateY(-5px);
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.news-date {
  color: var(--gray-500);
}

.news-category {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.read-more {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  transition: all var(--transition-base);
}

.read-more:hover {
  color: var(--dark-primary);
  transform: translateX(5px);
}

.read-more::after {
  content: '→';
  transition: transform var(--transition-base);
}

.read-more:hover::after {
  transform: translateX(5px);
}

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

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

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: var(--spacing-lg);
  font-size: 4rem;
  color: var(--primary-color);
  font-family: var(--font-heading);
  line-height: 1;
}

.testimonial-card .card-image {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-full);
  margin: 0 auto var(--spacing-lg);
  border: 4px solid var(--primary-color);
}

.testimonial-card .card-image img {
  border-radius: var(--border-radius-full);
}

blockquote {
  font-style: italic;
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

cite {
  font-weight: var(--font-weight-semibold);
  color: var(--gray-800);
  font-style: normal;
}

.rating {
  color: var(--accent-color);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-sm);
}

/* Sustainability Section */
.sustainability-section {
  padding: var(--spacing-4xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

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

.sustainability-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.stat-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  font-size: var(--font-size-2xl);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  flex-shrink: 0;
}

.stat-info h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--gray-800);
}

.stat-info p {
  margin: 0;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

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

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

/* Resources Section */
.resources-section {
  padding: var(--spacing-4xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.resources-grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 0 auto;
}

.resource-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.resource-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.resource-link {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.resource-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: var(--white);
  text-decoration: none;
}

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

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

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

.contact-details {
  margin-top: var(--spacing-xl);
}

.contact-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-600);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item strong {
  color: var(--gray-800);
  display: inline-block;
  width: 150px;
}

.contact-form {
  background: var(--gray-100);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

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

.footer-section p {
  color: var(--gray-300);
  line-height: 1.6;
}

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

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

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-links a {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gray-800);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  color: var(--white);
  text-decoration: none;
}

.contact-info {
  color: var(--gray-300);
}

.contact-info p {
  margin-bottom: var(--spacing-xs);
}

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

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

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

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

.success-content {
  max-width: 600px;
  margin: 0 auto;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  color: var(--quaternary-color);
}

/* Страницы политик */
.policy-page,
.terms-page {
  padding-top: 120px;
  padding-bottom: var(--spacing-3xl);
  background: var(--white);
}

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

.policy-content h1,
.policy-content h2,
.terms-content h1,
.terms-content h2 {
  color: var(--gray-800);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.policy-content h1:first-child,
.terms-content h1:first-child {
  margin-top: 0;
}

.policy-content p,
.terms-content p {
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

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

.policy-content li,
.terms-content li {
  color: var(--gray-600);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* Страница О нас */
.about-page {
  padding-top: 100px;
}

.about-hero {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-100);
  text-align: center;
}

.about-content {
  padding: var(--spacing-3xl) 0;
}

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

.team-member {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.team-member .member-image {
  width: 150px;
  height: 150px;
  border-radius: var(--border-radius-full);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border: 4px solid var(--primary-color);
}

.team-member .member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0 auto;
}

.team-member h3 {
  color: var(--gray-800);
  margin-bottom: var(--spacing-sm);
}

.team-member .member-role {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.team-member p {
  color: var(--gray-600);
  text-align: center;
}

/* Страница контактов */
.contacts-page {
  padding-top: 100px;
}

.contacts-hero {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-100);
  text-align: center;
}

.contacts-content {
  padding: var(--spacing-3xl) 0;
}

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

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

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

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.contact-text {
  flex: 1;
}

.contact-text strong {
  display: block;
  color: var(--gray-800);
  margin-bottom: var(--spacing-xs);
}

.contact-text span {
  color: var(--gray-600);
}

/* Адаптивность */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .sustainability-content,
  .contact-content,
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .timeline-item {
    flex-direction: column;
    text-align: center;
  }
  
  .timeline-content {
    max-width: 100%;
  }
  
  .timeline::before {
    left: var(--spacing-lg);
  }
  
  .timeline-marker {
    left: var(--spacing-lg);
  }
  
  .timeline-item:nth-child(odd) .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .navbar-burger {
    display: flex;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-stats {
    gap: var(--spacing-lg);
  }
  
  .features-grid,
  .news-grid,
  .clientele-grid {
    grid-template-columns: 1fr;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .carousel-controls {
    padding: 0 var(--spacing-sm);
  }
  
  .carousel-prev,
  .carousel-next {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }
  
  .resource-links {
    grid-template-columns: 1fr;
  }
  
  .sustainability-stats {
    gap: var(--spacing-md);
  }
  
  .stat-item {
    padding: var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .card {
    padding: var(--spacing-lg);
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }
  
  .contact-form {
    padding: var(--spacing-lg);
  }
  
  .carousel-item img {
    height: 250px;
  }
  
  .carousel-caption {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  }
  
  .testimonial-card .card-image {
    width: 60px;
    height: 60px;
  }
}

/* Анимации для элементов при скролле */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

/* Анимации частиц */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: var(--border-radius-full);
  animation: float 3s ease-in-out infinite;
}

.particle:nth-child(2n) {
  background: var(--secondary-color);
  animation-delay: -1s;
  animation-duration: 4s;
}

.particle:nth-child(3n) {
  background: var(--tertiary-color);
  animation-delay: -2s;
  animation-duration: 5s;
}

/* Гласморфизм эффекты */
.glassmorphism {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
}

/* Hover эффекты для карточек */
.hover-lift {
  transition: all var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

/* Утилиты для анимаций */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Кастомные scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dark-primary);
}

/* Фокус стили для accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Стили для печати */
@media print {
  .header,
  .footer,
  .btn,
  .social-links {
    display: none;
  }
  
  .hero-section {
    background: none;
    color: var(--black);
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
}