:root {
  /* Основная цветовая схема */
  --primary-color: #4C6EF5;
  --primary-dark: #3A5BD9;
  --primary-light: #7B92F9;
  --secondary-color: #F5754C;
  --secondary-dark: #E45A30;
  --secondary-light: #FF9478;
  --accent-color: #8A4CF5;
  --accent-dark: #6E32D9;
  --accent-light: #AB7EF9;
  
  /* Нейтральные цвета */
  --dark: #1A1B25;
  --dark-gray: #2D2F3F;
  --medium-gray: #606375;
  --light-gray: #9DA0B4;
  --very-light-gray: #E1E2EB;
  --white: #FFFFFF;
  
  /* Цвета состояний */
  --success: #2ECC71;
  --warning: #F5D04C;
  --error: #E74C3C;
  --info: #3498DB;
  
  /* Функциональные цвета */
  --text-color: #333333;
  --text-light: #666666;
  --text-white: #FFFFFF;
  --bg-color: #F9F9FD;
  --card-bg: #FFFFFF;
  --footer-bg: #1A1B25;
  
  /* Градиенты */
  --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --secondary-gradient: linear-gradient(135deg, var(--secondary-color), var(--warning));
  --dark-gradient: linear-gradient(135deg, var(--dark), var(--dark-gray));
  --overlay-gradient: linear-gradient(rgba(0,0,0,0), rgba(0,0,0,0.7));
  --overlay-light: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.5));
  
  /* Тени */
  --card-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  --button-shadow: 0 4px 10px rgba(76, 110, 245, 0.3);
  --secondary-button-shadow: 0 4px 10px rgba(245, 117, 76, 0.3);
  --hover-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  
  /* Скругления */
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-circle: 50%;
  
  /* Анимации */
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Размеры контейнеров */
  --container-width: 1200px;
  --container-padding: 2rem;
  
  /* Разрывы для медиа-запросов */
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--dark);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
}

h2:after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  margin: 1rem auto 0;
  border-radius: var(--border-radius-sm);
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

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

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

ul, ol {
  list-style-type: none;
}

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

section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--text-light);
  font-size: 1.2rem;
}

/* Кнопки */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  text-align: center;
  border: none;
  outline: none;
}

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

.btn-primary:hover {
  box-shadow: var(--hover-shadow);
  transform: translateY(-3px);
  color: var(--white);
}

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

.btn-secondary:hover {
  box-shadow: var(--hover-shadow);
  transform: translateY(-3px);
  color: var(--white);
}

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

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

/* Формы */
input, textarea, select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--very-light-gray);
  border-radius: var(--border-radius);
  font-family: 'Lato', sans-serif;
  font-size: 1rem;
  transition: var(--transition-fast);
  margin-bottom: 1rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(76, 110, 245, 0.2);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-container input {
  width: auto;
  margin-right: 10px;
}

/* Карточки */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

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

.card-image {
  width: 100%;
  overflow: hidden;
  text-align: center;
}

.card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
  margin: 0 auto;
}

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

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-top: 0;
}

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

/* Хедер и навигация */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--container-padding);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
}

.logo a {
  color: var(--primary-color);
  text-decoration: none;
}

.logo h1 {
  font-size: 1.8rem;
  margin: 0;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav ul {
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--text-color);
  font-weight: 600;
  position: relative;
  padding: 0.5rem 0;
}

.main-nav a:hover {
  color: var(--primary-color);
}

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

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--dark);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* Hero секция */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 0 5rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

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

.hero-content {
  max-width: 800px;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--white);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.3rem;
  font-family: 'Roboto', sans-serif;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.stat-label {
  font-size: 1rem;
  color: var(--very-light-gray);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Innovation секция */
.innovation-section {
  background-color: var(--bg-color);
}

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.innovation-card {
  height: 100%;
}

.progress-container {
  margin-top: auto;
  width: 100%;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.progress-bar {
  height: 8px;
  background-color: var(--very-light-gray);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--border-radius-sm);
  transition: width 1s ease-in-out;
}

.progress-percentage {
  text-align: right;
  font-weight: 600;
  color: var(--primary-color);
}

/* Research секция */
.research-section {
  background-color: var(--white);
}

.research-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.research-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.research-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition);
}

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

.research-text h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.research-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.research-stats .stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
}

.research-stats .stat-number {
  color: var(--primary-color);
  text-shadow: none;
}

.research-stats .stat-label {
  color: var(--text-color);
  text-shadow: none;
}

.publication-list {
  margin-top: 3rem;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.publication-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

.publication-card h4 {
  color: var(--dark);
  margin-bottom: 0.8rem;
}

.publication-authors {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.publication-journal {
  font-weight: 600;
  color: var(--primary-color);
}

/* Resources секция */
.resources-section {
  background-color: var(--very-light-gray);
  position: relative;
}

.resources-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  background-size: 50px;
  opacity: 0.05;
  z-index: 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.resource-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  height: 100%;
}

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

.resource-content {
  padding: 1.5rem;
}

.resource-content h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.resource-content h3 a {
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.resource-content h3 a:hover {
  color: var(--primary-dark);
}

.resource-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.resource-link {
  display: inline-block;
  color: var(--secondary-color);
  font-weight: 600;
  transition: var(--transition-fast);
  position: relative;
}

.resource-link::after {
  content: '→';
  margin-left: 5px;
  transition: var(--transition-fast);
}

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

.resource-link:hover::after {
  transform: translateX(3px);
}

/* Insights секция */
.insights-section {
  background-color: var(--bg-color);
}

.insights-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tabs-header {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-item {
  padding: 0.8rem 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--card-shadow);
  color: var(--text-color);
}

.tab-item:hover {
  color: var(--primary-color);
}

.tab-item.active {
  background: var(--primary-gradient);
  color: var(--white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.case-study {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-bottom: 2rem;
}

.case-study:last-child {
  margin-bottom: 0;
}

.case-study-image {
  width: 100%;
}

.case-study-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.case-study-content {
  padding: 2rem;
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.statistic-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

.statistic-icon {
  margin-bottom: 1.5rem;
}

.statistic-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto;
}

.statistic-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-family: 'Roboto', sans-serif;
}

.statistic-number span {
  font-size: 1.5rem;
  margin-left: 0.5rem;
}

.statistic-description {
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Clientele секция */
.clientele-section {
  background-color: var(--white);
}

.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-bottom: 4rem;
}

.client-logo {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
}

.client-logo:hover {
  transform: translateY(-5px);
  box-shadow: var(--hover-shadow);
}

.client-logo img {
  height: 60px;
  object-fit: contain;
}

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

.testimonial-slider {
  overflow: hidden;
}

.testimonial-slide {
  width: 100%;
}

.testimonial-content {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  margin: 0 0.5rem;
}

.testimonial-content p {
  font-style: italic;
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-content p::before {
  content: '"';
  font-size: 3rem;
  position: absolute;
  left: -1.5rem;
  top: -1rem;
  color: var(--primary-light);
  opacity: 0.3;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-circle);
  object-fit: cover;
  margin-right: 1rem;
}

.author-info h4 {
  margin-bottom: 0.3rem;
}

.author-info p {
  margin: 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.prev-btn, .next-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-circle);
  background: var(--white);
  box-shadow: var(--card-shadow);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
  background: var(--primary-color);
}

.prev-btn::before, .next-btn::before {
  content: '';
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--dark);
  border-right: 2px solid var(--dark);
  transition: var(--transition-fast);
}

.prev-btn::before {
  transform: rotate(-135deg);
}

.next-btn::before {
  transform: rotate(45deg);
}

.prev-btn:hover::before, .next-btn:hover::before {
  border-color: var(--white);
}

/* Awards секция */
.awards-section {
  background: linear-gradient(135deg, #f6f9fc, #edf2f7);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.award-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.award-icon {
  margin-bottom: 1.5rem;
}

.award-icon img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin: 0 auto;
}

.award-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.award-card p {
  color: var(--text-light);
  font-size: 1rem;
}

/* Team секция */
.team-section {
  background-color: var(--bg-color);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.team-member-card {
  height: 100%;
}

.team-member-card .card-image {
  height: 300px;
}

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

.member-title {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.member-bio {
  color: var(--text-light);
  font-size: 1rem;
}

/* Contact секция */
.contact-section {
  background: linear-gradient(135deg, var(--dark), var(--dark-gray));
  color: var(--white);
}

.contact-section h2 {
  color: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--very-light-gray);
  margin-bottom: 2rem;
}

.contact-details {
  display: grid;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
}

.contact-icon {
  margin-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

.contact-icon img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.contact-text h4 {
  color: var(--white);
  margin-bottom: 0.3rem;
}

.contact-text p {
  color: var(--very-light-gray);
  margin: 0;
}

.contact-form-container {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form label {
  color: var(--text-color);
}

/* Footer */
.main-footer {
  background: var(--footer-bg);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about h3, .footer-links h3, .footer-legal h3, .footer-social h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}

.footer-about p {
  color: var(--light-gray);
}

.footer-links ul, .footer-legal ul, .footer-social ul {
  display: grid;
  gap: 0.8rem;
}

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

.footer-links a:hover, .footer-legal a:hover, .footer-social a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Success страница */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-color);
  padding: 2rem;
}

.success-container {
  max-width: 600px;
  text-align: center;
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
}

.success-icon {
  width: 100px;
  height: 100px;
  background: var(--success);
  border-radius: var(--border-radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.success-icon svg {
  width: 50px;
  height: 50px;
  fill: var(--white);
}

.success-title {
  color: var(--success);
  margin-bottom: 1rem;
}

.success-message {
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* Другие страницы */
.page-content {
  padding-top: 100px;
  min-height: 70vh;
}

.page-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.page-title {
  margin-bottom: 2rem;
  text-align: center;
}

.page-section {
  margin-bottom: 3rem;
}

.page-section h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Стили для Cookie Consent */
#cookie-consent {
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 15px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  text-align: center;
}

#accept-cookies {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

/* Анимации */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

.animate-fadeInUp {
  animation: fadeInUp 1s ease;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-rotate {
  animation: rotate 10s linear infinite;
}

/* Медиа запросы */
@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-content {
    max-width: 600px;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .research-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  section {
    padding: 4rem 0;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  
  .main-nav li {
    width: 100%;
    text-align: center;
  }
  
  .main-nav a {
    display: block;
    padding: 1rem;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  
  .stat-item {
    width: 100%;
  }
  
  .tabs-header {
    flex-direction: column;
    align-items: center;
  }
  
  .tab-item {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .hero-section {
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .footer-grid {
    gap: 2rem;
  }
}