:root {
  /* Основные цвета */
  --primary-color: #3a6ea5;
  --primary-dark: #2a517a;
  --primary-light: #4a7eb5;
  --secondary-color: #f0b429;
  --secondary-dark: #d99e20;
  --secondary-light: #ffc547;
  
  /* Нейтральные цвета */
  --neutral-100: #ffffff;
  --neutral-200: #f7f7f7;
  --neutral-300: #e9e9e9;
  --neutral-400: #d4d4d4;
  --neutral-500: #bcbcbc;
  --neutral-600: #8c8c8c;
  --neutral-700: #6e6e6e;
  --neutral-800: #333333;
  --neutral-900: #222222;
  
  /* Текстовые цвета */
  --text-dark: #222222;
  --text-medium: #444444;
  --text-light: #6e6e6e;
  
  /* Размеры */
  --header-height: 80px;
  --section-spacing: 5rem;
  --card-border-radius: 10px;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Базовые стили */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rubik', sans-serif;
  color: var(--text-medium);
  background-color: var(--neutral-200);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.25rem;
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

p {
  margin-bottom: 1.2rem;
}

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

.section-title {
  position: relative;
  margin-bottom: 3rem;
  font-weight: 700;
  text-align: center;
}

.section-title:after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* Кнопки */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  border-radius: 30px;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  line-height: 1.5;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
  border: none;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.5s ease;
  z-index: -1;
}

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

.btn-primary {
  background-color: var(--primary-color);
  color: var(--neutral-100);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--neutral-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-light {
  background-color: transparent;
  border: 2px solid var(--neutral-100);
  color: var(--neutral-100);
}

.btn-outline-light:hover {
  background-color: var(--neutral-100);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--neutral-900);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* Header */
.header {
  background-color: var(--neutral-100);
  box-shadow: var(--shadow-sm);
  padding: 0.5rem 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.25rem 0;
}

.navbar-brand img {
  transition: all var(--transition-normal);
}

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

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus,
.navbar-light .navbar-nav .nav-link.active {
  color: var(--primary-color);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}

/* Hero Section */
.hero {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 10rem 0 8rem;
  color: var(--neutral-100);
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

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

.hero h1, .hero p {
  color: var(--neutral-100);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  margin-top: 2rem;
}

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

/* Stats Section */
.stats {
  background-color: var(--neutral-100);
  position: relative;
  z-index: 10;
  margin-top: -5rem;
  border-radius: var(--card-border-radius) var(--card-border-radius) 0 0;
  box-shadow: var(--shadow-lg);
}

.stat-card {
  padding: 2rem 1rem;
  text-align: center;
  transition: transform var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-10px);
}

.stat-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--neutral-200);
  color: var(--primary-color);
  font-size: 2rem;
  transition: all var(--transition-normal);
}

.stat-card:hover .stat-icon {
  background: var(--primary-color);
  color: var(--neutral-100);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-medium);
  margin-bottom: 0;
}

/* About Section */
.about-section {
  background-color: var(--neutral-100);
  padding: var(--section-spacing) 0;
}

.about-image {
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.about-image:hover {
  transform: scale(1.02);
}

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

.about-accordion .accordion-button {
  background-color: var(--neutral-100);
  color: var(--text-dark);
  font-weight: 500;
  box-shadow: none;
  padding: 1.25rem;
}

.about-accordion .accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: var(--neutral-200);
}

.about-accordion .accordion-body {
  padding: 1.25rem;
  background-color: var(--neutral-200);
}

/* History Section */
.history-section {
  color: var(--neutral-100);
  padding: var(--section-spacing) 0;
  position: relative;
}

.history-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
  z-index: 1;
}

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

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

.timeline:before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: var(--neutral-100);
  opacity: 0.3;
}

.timeline-item {
  width: 100%;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 1.5rem;
  border-radius: var(--card-border-radius);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
}

.timeline-content:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
}

.timeline-content h3 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.timeline-content p {
  color: var(--neutral-100);
  margin-bottom: 0;
}

/* Projects Section */
.projects-section {
  background-color: var(--neutral-200);
  padding: var(--section-spacing) 0;
}

.project-card {
  border: none;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

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

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

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

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

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

.card-content .btn {
  margin-top: auto;
}

/* Workshops Section */
.workshops-section {
  padding: var(--section-spacing) 0;
}

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

.workshop-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  background-color: var(--neutral-100);
  padding: 0.75rem 1.25rem;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  background-color: var(--primary-light);
  color: var(--neutral-100);
}

.feature-icon {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

.workshops-slider {
  position: relative;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.slider-container {
  display: flex;
  overflow: hidden;
}

.slider-item {
  min-width: 100%;
  transition: transform var(--transition-normal);
}

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

.slider-prev, .slider-next {
  background-color: var(--primary-color);
  color: var(--neutral-100);
  border: none;
  border-radius: 30px;
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

/* Webinars Section */
.webinars-section {
  background-color: var(--neutral-100);
  padding: var(--section-spacing) 0;
}

.webinar-card {
  border: none;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.webinar-date {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--neutral-100);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Events Section */
.events-section {
  padding: var(--section-spacing) 0;
}

.events-list {
  max-width: 800px;
  margin: 0 auto;
}

.event-item {
  display: flex;
  margin-bottom: 2rem;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.event-date {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 100px;
  background-color: var(--primary-color);
  color: var(--neutral-100);
  padding: 1.5rem;
  text-align: center;
}

.event-date .day {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  font-size: 1.2rem;
  text-transform: uppercase;
}

.event-info {
  padding: 1.5rem;
  flex-grow: 1;
}

.event-info h3 {
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.event-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 0.875rem;
}

.event-icon {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

/* Instructors Section */
.instructors-section {
  background-color: var(--neutral-200);
  padding: var(--section-spacing) 0;
}

.instructor-card {
  border: none;
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

.instructor-card .card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.instructor-position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 1rem;
}

.instructor-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  color: var(--text-light);
  transition: color var(--transition-fast);
}

.social-icon:hover {
  color: var(--primary-color);
}

/* Partners Section */
.partners-section {
  padding: var(--section-spacing) 0;
}

.partner-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  height: 100%;
}

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

.partner-item img {
  max-width: 150px;
  height: auto;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-normal);
}

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

.partner-item h4 {
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.partner-item p {
  color: var(--text-medium);
  margin-bottom: 0;
}

/* External Links Section */
.external-links-section {
  background-color: var(--neutral-100);
  padding: var(--section-spacing) 0;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  border: none;
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  height: 100%;
}

.link-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background-color: var(--primary-light);
}

.link-card:hover h3, .link-card:hover p {
  color: var(--neutral-100);
}

.link-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.link-card p {
  color: var(--text-medium);
  margin-bottom: 1.5rem;
  text-align: center;
}

.link-card .btn {
  margin-top: auto;
}

.link-card:hover .btn-outline-primary {
  background-color: var(--neutral-100);
  color: var(--primary-color);
  border-color: var(--neutral-100);
}

/* Case Studies Section */
.case-studies-section {
  padding: var(--section-spacing) 0;
}

.case-study-item {
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  margin-bottom: 1.5rem;
}

.case-study-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.case-study-content {
  padding: 1.5rem;
}

.case-study-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.case-study-content p {
  color: var(--text-medium);
  margin-bottom: 1.5rem;
}

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

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

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  margin-bottom: 1.5rem;
}

.contact-icon {
  min-width: 40px;
  height: 40px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-100);
  margin-right: 1rem;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.contact-item p {
  margin-bottom: 0;
  color: var(--text-medium);
}

.contact-form-container {
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.contact-form .form-label {
  color: var(--text-dark);
  font-weight: 500;
}

.contact-form .form-control,
.contact-form .form-select {
  border: 1px solid var(--neutral-400);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-medium);
  transition: all var(--transition-normal);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(58, 110, 165, 0.25);
}

.contact-form .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--neutral-800);
  color: var(--neutral-300);
  padding-top: 4rem;
}

.footer h3, .footer h4 {
  color: var(--neutral-100);
  margin-bottom: 1.5rem;
}

.footer p {
  color: var(--neutral-400);
}

.social-links a {
  color: var(--neutral-300);
  margin-right: 1rem;
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--primary-light);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--neutral-400);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  color: var(--neutral-500);
  font-size: 0.875rem;
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(34, 34, 34, 0.9);
  color: var(--neutral-100);
  padding: 1rem;
  z-index: 9999;
  display: none;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content p {
  margin-bottom: 0;
  margin-right: 1rem;
}

.cookie-content a {
  color: var(--secondary-color);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-content {
  max-width: 600px;
  background-color: var(--neutral-100);
  padding: 3rem;
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

/* Privacy & Terms Pages */
.page-content {
  padding-top: 120px;
  padding-bottom: 4rem;
}

.page-content h2 {
  color: var(--primary-color);
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.page-content p {
  margin-bottom: 1.5rem;
}

/* Биоморфный дизайн */
.bio-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: -1;
  opacity: 0.3;
}

.bio-shape-1 {
  width: 300px;
  height: 300px;
  background-color: var(--primary-light);
  top: -150px;
  left: -100px;
}

.bio-shape-2 {
  width: 250px;
  height: 250px;
  background-color: var(--secondary-light);
  bottom: -100px;
  right: -80px;
}

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

.float-animation {
  animation: float 6s ease-in-out infinite;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
  :root {
    --section-spacing: 4rem;
  }
  
  h1 {
    font-size: 2.75rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  .hero {
    padding: 8rem 0 6rem;
  }
  
  .timeline:before {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 60px;
  }
  
  .event-date {
    min-width: 80px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-spacing: 3rem;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero {
    padding: 7rem 0 5rem;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-content p {
    margin-bottom: 1rem;
    margin-right: 0;
  }
}

@media (max-width: 575.98px) {
  :root {
    --section-spacing: 2.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .event-item {
    flex-direction: column;
  }
  
  .event-date {
    width: 100%;
    padding: 1rem;
    flex-direction: row;
    justify-content: center;
    gap: 0.5rem;
  }
}