:root {
  /* Аналоговая цветовая схема с неоморфизмом */
  --primary-color: #4e7bef;
  --primary-light: #6d93f5;
  --primary-dark: #3563d4;
  
  --secondary-color: #4e9eef;
  --secondary-light: #6db2f5;
  --secondary-dark: #3585d4;
  
  --accent-color: #4e5fef;
  --accent-light: #6d7df5;
  --accent-dark: #3547d4;
  
  --background-color: #f0f4fa;
  --card-bg: #f5f8fd;
  --text-color: #333333;
  --text-light: #777777;
  --text-dark: #222222;
  --white: #ffffff;
  
  /* Неоморфические тени */
  --nm-shadow-small: 3px 3px 6px rgba(174, 174, 192, 0.4), -3px -3px 6px rgba(255, 255, 255, 0.7);
  --nm-shadow: 5px 5px 10px rgba(174, 174, 192, 0.4), -5px -5px 10px rgba(255, 255, 255, 0.7);
  --nm-shadow-large: 10px 10px 20px rgba(174, 174, 192, 0.4), -10px -10px 20px rgba(255, 255, 255, 0.7);
  --nm-shadow-inset: inset 3px 3px 6px rgba(174, 174, 192, 0.4), inset -3px -3px 6px rgba(255, 255, 255, 0.7);
  
  /* Расстояния */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Радиусы */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  
  /* Переходы */
  --transition-fast: 0.3s ease;
  --transition: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-xxl: 3rem;
}

/* Основные стили */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', sans-serif;
  font-size: var(--font-size);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

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

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

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

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

.container {
  padding: var(--spacing-lg) var(--spacing-md);
}

.section-title {
  position: relative;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--text-dark);
}

.underline {
  height: 4px;
  width: 80px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--border-radius);
}

.lead {
  font-size: var(--font-size-md);
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

/* Неоморфические элементы */
.neomorphic {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--nm-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.neomorphic:hover {
  transform: translateY(-5px);
  box-shadow: var(--nm-shadow-large);
}

.neomorphic-btn {
  background: var(--card-bg);
  border: none;
  border-radius: var(--border-radius);
  color: var(--primary-color);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  box-shadow: var(--nm-shadow-small);
  transition: all var(--transition-fast);
  text-align: center;
  cursor: pointer;
}

.neomorphic-btn:hover, .neomorphic-btn:focus {
  box-shadow: var(--nm-shadow);
  transform: translateY(-2px);
  background: linear-gradient(145deg, var(--card-bg), var(--background-color));
  color: var(--primary-dark);
}

.neomorphic-btn:active {
  box-shadow: var(--nm-shadow-inset);
  transform: translateY(0);
}

.neomorphic-input {
  background: var(--card-bg);
  border: none;
  border-radius: var(--border-radius);
  padding: 1rem;
  box-shadow: var(--nm-shadow-inset);
  transition: box-shadow var(--transition-fast);
  width: 100%;
  color: var(--text-color);
}

.neomorphic-input:focus {
  outline: none;
  box-shadow: var(--nm-shadow-inset), 0 0 0 3px rgba(78, 123, 239, 0.3);
}

.neomorphic-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 10px;
  border-radius: var(--border-radius);
  background: var(--card-bg);
  box-shadow: var(--nm-shadow-inset);
  outline: none;
}

.neomorphic-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary-light), var(--primary-color));
  box-shadow: var(--nm-shadow-small);
  cursor: pointer;
}

/* Кнопки - глобальные стили */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size);
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(145deg, var(--primary-light), var(--primary-color));
  border: none;
}

.btn-primary:hover, .btn-primary:focus {
  color: var(--white);
  background: linear-gradient(145deg, var(--primary-color), var(--primary-dark));
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(78, 123, 239, 0.4);
}

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

.btn-outline-light:hover, .btn-outline-light:focus {
  color: var(--primary-color);
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

button, input[type="submit"] {
  cursor: pointer;
  font-family: 'Lato', sans-serif;
}

/* Динамические цветовые переходы */
@keyframes gradientAnimation {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-bg {
  background: linear-gradient(-45deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-dark));
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
}

/* Морфинг анимации */
@keyframes morphing {
  0% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
  100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
}

.morph-shape {
  animation: morphing 8s ease-in-out infinite;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--card-bg);
  box-shadow: var(--nm-shadow);
  padding: 1rem 0;
  transition: all var(--transition-fast);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(245, 248, 253, 0.95);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--primary-color);
}

.navbar-nav .nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

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

.navbar-toggler {
  border: none;
  background-color: transparent;
  box-shadow: var(--nm-shadow-small);
  border-radius: var(--border-radius);
  padding: 0.5rem;
}

.navbar-toggler:focus {
  outline: none;
  box-shadow: var(--nm-shadow);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  margin-top: 0;
  padding-top: 80px;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--white);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--white);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* Vision Section */
.vision {
  padding: var(--spacing-xl) 0;
}

.vision-content {
  height: 100%;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.vision-image {
  height: 100%;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--nm-shadow);
}

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

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

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

.card {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-top-left-radius: var(--border-radius-lg);
  border-top-right-radius: var(--border-radius-lg);
}

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

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

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

.card-content h3 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

/* Statistics Section */
.statistics {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(145deg, var(--primary-light), var(--primary-color));
  color: var(--white);
}

.statistics .section-title, .statistics .lead {
  color: var(--white);
}

.stat-widget {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
  transition: transform var(--transition-fast);
}

.stat-widget:hover {
  transform: translateY(-5px);
}

.stat-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.stat-number {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

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

/* Sustainability Section */
.sustainability {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-color);
}

.sustainability-image {
  height: 100%;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

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

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

/* Webinars Section */
.webinars {
  padding: var(--spacing-xl) 0;
}

.webinar-carousel {
  position: relative;
  overflow: hidden;
}

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

.webinar-item {
  display: none;
  width: 100%;
}

.webinar-item.active {
  display: block;
  animation: fadeIn 0.5s ease forwards;
}

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

.webinar-image {
  height: 300px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-md);
}

.webinar-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.webinar-content h3 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

.webinar-date {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.carousel-control {
  margin: 0 var(--spacing-sm);
  cursor: pointer;
}

/* Research Section */
.research {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-color);
}

.research-image {
  height: 400px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

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

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

.research-paper {
  height: 100%;
}

.research-paper h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

.paper-title {
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.paper-authors {
  color: var(--text-light);
  font-style: italic;
}

.research-resources h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

.research-resources a {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.research-resources a:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* Innovation Section */
.innovation {
  padding: var(--spacing-xl) 0;
}

.innovation-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.slider-container {
  height: 400px;
  overflow: hidden;
}

.slider-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.slider-container:hover img {
  transform: scale(1.05);
}

.slider-controls {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
}

.innovation-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.innovation-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
}

.innovation-card h4 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

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

.contact-info {
  height: 100%;
}

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

.contact-info ul li {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.contact-info ul li i {
  margin-right: var(--spacing-md);
  color: var(--primary-color);
}

.contact-map {
  width: 100%;
  height: 300px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-form {
  height: 100%;
}

.contact-form h3 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-dark);
}

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

.footer h3, .footer h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
}

.footer ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer ul li a:hover {
  color: var(--white);
  text-decoration: none;
}

.social-links a {
  color: rgba(255, 255, 255, 0.8);
  margin-right: var(--spacing-md);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.social-links a:hover {
  color: var(--white);
  transform: translateY(-3px);
  text-decoration: none;
}

.newsletter h4 {
  margin-bottom: var(--spacing-sm);
}

.copyright {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
}

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

.success-content {
  text-align: center;
  max-width: 600px;
  padding: var(--spacing-xl);
}

.success-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
}

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  min-height: 100vh;
  background-color: var(--background-color);
}

.privacy-content, .terms-content {
  padding: var(--spacing-xl);
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--nm-shadow);
}

/* Карточки для секций */
.card {
  border: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

/* Стиль для "Читать далее" ссылок */
.read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  margin-top: var(--spacing-sm);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-dark);
  text-decoration: none;
  transform: translateX(5px);
}

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

/* Анимации при прокрутке */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
}

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

/* Медиа запросы */
@media (max-width: 992px) {
  :root {
    --font-size-xxl: 2.5rem;
    --font-size-xl: 1.75rem;
    --font-size-lg: 1.25rem;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .vision-image, .sustainability-image, .research-image {
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-xxl: 2rem;
    --font-size-xl: 1.5rem;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .stat-widget {
    margin-bottom: var(--spacing-md);
  }
  
  .innovation-card {
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .contact-form, .contact-info {
    padding: var(--spacing-md);
  }
}

/* Куки уведомление */
#cookieConsent {
  background-color: rgba(0, 0, 0, 0.85);
  color: var(--white);
  padding: 20px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: none;
  text-align: center;
}

#cookieConsent p {
  margin-bottom: 10px;
}

#cookieConsent a {
  color: var(--white);
  text-decoration: underline;
}

#acceptCookies {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

#acceptCookies:hover {
  background-color: var(--primary-dark);
}