:root {
  /* Основная аналоговая цветовая схема */
  --primary-color: #2b4b8c;
  --primary-dark: #1a3366;
  --primary-light: #3e62a3;
  --secondary-color: #3a5f9f;
  --secondary-dark: #2a4f8f;
  --secondary-light: #4a6fb0;
  --accent-color: #e0473e;
  --accent-dark: #c03830;
  --accent-light: #f05a50;
  
  /* Нейтральные цвета */
  --text-dark: #222222;
  --text-medium: #555555;
  --text-light: #f9f9f9;
  --background-light: #ffffff;
  --background-medium: #f5f5f5;
  --background-dark: #333333;
  
  /* Утилитарные цвета */
  --success: #4caf50;
  --error: #f44336;
  --warning: #ff9800;
  --info: #2196f3;
  
  /* Типографика */
  --heading-font: 'Montserrat', sans-serif;
  --body-font: 'Merriweather', serif;
  
  /* Размеры и отступы */
  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Тени и эффекты */
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --neo-border: 4px solid var(--text-dark);
  --neo-shadow: 8px 8px 0 var(--text-dark);
  
  /* Радиусы */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Transition */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--body-font);
  color: var(--text-medium);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--background-light);
}

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

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

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);
}

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
}

/* Кнопки */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: var(--neo-shadow);
  border: var(--neo-border);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--text-light);
  transform: translate(2px, 2px);
  box-shadow: 6px 6px 0 var(--text-dark);
}

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

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

.btn-small {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.logo a {
  display: flex;
  align-items: center;
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--primary-color);
  text-transform: uppercase;
}

.logo h1 {
  margin-bottom: 0;
  font-size: 1.75rem;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav li {
  margin-left: var(--spacing-md);
}

.desktop-nav a {
  font-family: var(--heading-font);
  font-weight: 600;
  color: var(--text-dark);
  position: relative;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-medium);
}

.desktop-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 {
  height: 3px;
  width: 100%;
  background-color: var(--text-dark);
  transition: all var(--transition-medium);
}

.burger-menu.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.burger-menu.active span:nth-child(2) {
  opacity: 0;
}

.burger-menu.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--background-light);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md);
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--transition-medium);
}

.mobile-nav.active {
  transform: translateY(0);
  opacity: 1;
  display: flex;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  margin-bottom: var(--spacing-sm);
}

.mobile-nav a {
  font-family: var(--heading-font);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  display: block;
  padding: var(--spacing-xs) 0;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 70px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  color: #FFFFFF;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: #FFFFFF;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: #FFFFFF;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

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

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

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  transform: rotate(2deg);
  overflow: hidden;
}

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

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

/* Services Section */
.services {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

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

.card {
  background-color: var(--background-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

.card-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

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

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

.project-slide {
  position: relative;
  width: 100%;
  transition: transform var(--transition-slow);
}

.project-date {
  display: block;
  font-style: italic;
  color: var(--text-medium);
  margin-top: var(--spacing-sm);
}

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

.prev-button, .next-button {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* External Resources Section */
.external-resources {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

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

.resource-card {
  padding: var(--spacing-md);
  background-color: var(--background-light);
  border-radius: var(--radius-md);
  box-shadow: var(--box-shadow);
  border: 2px solid var(--primary-light);
}

.resource-card h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: var(--spacing-xs);
}

.resource-card ul {
  list-style: none;
  padding: 0;
}

.resource-card li {
  margin-bottom: var(--spacing-xs);
}

.resource-card a {
  color: var(--primary-color);
  transition: color var(--transition-fast);
  display: inline-block;
  position: relative;
  padding-left: 20px;
}

.resource-card a::before {
  content: '→';
  position: absolute;
  left: 0;
  transition: transform var(--transition-fast);
}

.resource-card a:hover {
  color: var(--accent-color);
}

.resource-card a:hover::before {
  transform: translateX(5px);
}

/* History Section */
.history {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

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

.history-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background-color: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
  width: 100%;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--accent-color);
  border: 4px solid var(--primary-color);
  border-radius: 50%;
  z-index: 2;
}

.timeline-content {
  position: relative;
  width: calc(50% - 40px);
  padding: var(--spacing-md);
  background-color: var(--background-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--box-shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

.timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  font-size: 1.5rem;
}

/* Events Section */
.events {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

.events-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background-color: var(--background-light);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-header h3 {
  margin: 0;
  font-size: 1.25rem;
  flex: 1;
}

.accordion-date {
  margin-right: var(--spacing-md);
  font-weight: 600;
  color: var(--accent-color);
}

.accordion-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.accordion-header.active {
  background-color: var(--primary-light);
}

.accordion-header.active h3,
.accordion-header.active .accordion-toggle {
  color: var(--text-light);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  background-color: var(--background-light);
  transition: max-height var(--transition-medium);
  padding: 0 var(--spacing-md);
}

.accordion-content p {
  margin-bottom: var(--spacing-sm);
}

/* Partners Section */
.partners {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

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

.partner-card {
  background-color: var(--background-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.partner-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

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

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

.partner-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

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

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

.contact-info h3,
.contact-form h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

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

.contact-map {
  margin-top: var(--spacing-md);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  overflow: hidden;
}

.contact-map img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

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

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-sm);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-color);
  outline: none;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
}

.checkbox-container input[type="checkbox"] {
  margin-right: var(--spacing-xs);
  margin-top: 5px;
  width: max-content;
}

textarea {
  resize: none;
}

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

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

.footer h3 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--accent-color);
}

.footer-info p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

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

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

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

.footer-social a {
  color: var(--text-light);
  transition: color var(--transition-fast);
  display: inline-block;
}

.footer-social a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.success-content {
  max-width: 600px;
  padding: var(--spacing-lg);
  background-color: var(--background-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--box-shadow);
  border: var(--neo-border);
}

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

.success-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.success-message {
  margin-bottom: var(--spacing-lg);
}

/* Privacy & Terms Pages */
.page-content {
  padding: 100px 0 var(--spacing-xl);
}

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

.page-title {
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

.page-section {
  margin-bottom: var(--spacing-lg);
}

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

/* Cookie Consent */
#cookie-consent {
  border-top: 3px solid var(--primary-color);
}

#accept-cookies {
  background-color: var(--primary-color);
  border: 2px solid var(--text-light);
  transition: all var(--transition-fast);
}

#accept-cookies:hover {
  background-color: var(--primary-dark);
  transform: scale(1.05);
}

/* Анимация частиц */
@keyframes float {
  0% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-20px) translateX(10px);
  }
  100% {
    transform: translateY(0) translateX(0);
  }
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s infinite ease-in-out;
}

/* Адаптивность */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.75rem;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-text,
  .about-image {
    flex: none;
    width: 100%;
  }
  
  .about-image {
    margin-top: var(--spacing-md);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    margin-top: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .history-timeline::before {
    left: 30px;
  }
  
  .timeline-dot {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

.projects-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}