:root {
  /* Основная палитра - пастельные цвета */
  --primary-color: #4a90e2;
  --primary-dark: #3a70b2;
  --primary-light: #70a8f0;
  --secondary-color: #e27d60;
  --secondary-dark: #c25e40;
  --secondary-light: #f09a80;
  --accent-color: #85d8ce;
  --accent-dark: #65b8ae;
  --accent-light: #a5f8ee;
  
  /* Нейтральные цвета */
  --white: #ffffff;
  --light-gray: #f4f7fa;
  --medium-gray: #e6eaef;
  --gray: #a0a8b0;
  --dark-gray: #5a6268;
  --black: #222222;
  
  /* Фоновые цвета */
  --bg-primary: #f8f9fb;
  --bg-secondary: #eef2f7;
  --bg-accent: #f2f8f7;
  
  /* Тени для нейроморфизма */
  --shadow-light: rgba(255, 255, 255, 0.7);
  --shadow-dark: rgba(0, 0, 0, 0.05);
  
  /* Радиусы скругления */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  
  /* Размеры текста */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  
  /* Тени */
  --box-shadow-nm-flat: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
  --box-shadow-nm-pressed: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  --box-shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.1);
  --box-shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: var(--font-size-md);
  color: var(--dark-gray);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: 1.5rem;
}

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

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

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

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

.container {
  max-width: 1200px;
  padding: 0 15px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray);
  margin-top: -0.5rem;
}

/* Нейроморфические стили */
.nm-card {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-nm-flat);
  transition: var(--transition-medium);
  overflow: hidden;
}

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

.nm-button {
  background-color: var(--bg-primary);
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-nm-flat);
  transition: var(--transition-fast);
}

.nm-button:active {
  box-shadow: var(--box-shadow-nm-pressed);
  transform: translateY(1px);
}

/* Кнопки */
.btn, 
button, 
input[type='submit'] {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: var(--font-size-md);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-medium);
  cursor: pointer;
  text-align: center;
  display: inline-block;
  border: none;
}

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

.btn-primary:hover, 
.btn-primary:focus {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(74, 144, 226, 0.3);
}

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

.btn-secondary:hover, 
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(226, 125, 96, 0.3);
}

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

.btn-outline-primary:hover, 
.btn-outline-primary:focus {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(74, 144, 226, 0.3);
}

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

.btn-outline-light:hover, 
.btn-outline-light:focus {
  background-color: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.3);
}

/* Header */
.header-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--white);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition-medium);
}

.header-section.scrolled {
  padding: 0.5rem 0;
}

.navbar {
  padding: 0;
}

.navbar-brand {
  padding: 0;
}

.navbar-brand img {
  height: 60px;
  width: auto;
}

.navbar-nav {
  align-items: center;
}

.nav-link {
  color: var(--dark-gray);
  font-weight: 600;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-fast);
  position: relative;
}

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

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

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

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

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

/* Hero Section */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: 80px;
  margin-bottom: 3rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  z-index: 1;
}

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

.hero-title {
  color: var(--white);
  font-size: var(--font-size-4xl);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  color: var(--white);
  font-size: var(--font-size-xl);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* Innovation Section */
.innovation-section {
  padding: 5rem 0;
  background-color: var(--bg-primary);
}

.innovation-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
  transition: var(--transition-medium);
  overflow: hidden;
  background-color: var(--white);
}

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

.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: var(--transition-slow);
}

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

.card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.innovation-card h3 {
  color: var(--black);
  margin-bottom: 1rem;
}

.innovation-card p {
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
}

.progress {
  height: 10px;
  border-radius: 5px;
  background-color: var(--medium-gray);
  overflow: hidden;
}

.progress-bar {
  transition: width 2s ease;
}

/* Projects Section */
.projects-section {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
}

.project-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
  transition: var(--transition-medium);
  overflow: hidden;
  background-color: var(--white);
}

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

.project-card .card-image {
  height: 300px;
}

.project-card h3 {
  margin-bottom: 1rem;
}

.project-card p {
  margin-bottom: 1.5rem;
}

/* External Resources Section */
.external-resources-section {
  padding: 5rem 0;
  background-color: var(--bg-primary);
}

.resource-card {
  height: 100%;
  padding: 2.5rem;
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
  transition: var(--transition-medium);
  text-align: center;
}

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

.resource-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.resource-card h3 {
  margin-bottom: 1rem;
}

.resource-card p {
  margin-bottom: 1.5rem;
}

/* Press Section */
.press-section {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
}

.accordion-item {
  border: none;
  margin-bottom: 1rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow-card);
}

.accordion-button {
  background-color: var(--white);
  box-shadow: none;
  padding: 1.5rem;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--black);
}

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

.accordion-button:focus {
  box-shadow: none;
}

.accordion-body {
  padding: 1.5rem;
  background-color: var(--white);
}

/* Webinars Section */
.webinars-section {
  padding: 5rem 0;
  background-color: var(--bg-primary);
}

.webinar-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
  transition: var(--transition-medium);
  overflow: hidden;
  background-color: var(--white);
}

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

.webinar-date {
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.webinar-card h3 {
  margin-bottom: 1rem;
}

.webinar-card p {
  margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-section {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
}

.contact-info {
  height: 100%;
  padding: 2.5rem;
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
}

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

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

.contact-form {
  height: 100%;
  padding: 2.5rem;
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
}

.form-control,
.form-select {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--medium-gray);
  background-color: var(--bg-primary);
  transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  box-shadow: none;
  border-color: var(--primary-color);
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin-top: 0.25rem;
  margin-right: 0.5rem;
  cursor: pointer;
}

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

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

.footer-logo img {
  margin-bottom: 1.5rem;
}

.footer-about {
  margin-bottom: 2rem;
  color: var(--light-gray);
}

.footer-section h5 {
  color: var(--white);
  font-size: var(--font-size-lg);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

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

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

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

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

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

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

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray);
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  color: var(--white);
  padding: 1rem 0;
  z-index: 9999;
  display: none;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

.cookie-content a {
  color: var(--accent-light);
  text-decoration: underline;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  padding: 2rem 0;
}

.success-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-card);
}

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

.success-title {
  margin-bottom: 1.5rem;
}

.success-message {
  margin-bottom: 2rem;
}

/* Other Pages */
.page-content {
  padding-top: 120px;
  padding-bottom: 5rem;
}

.privacy-page,
.terms-page {
  padding-top: 100px;
  background-color: var(--bg-primary);
  min-height: 80vh;
}

.privacy-content,
.terms-content {
  background-color: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-card);
}

/* ScrollReveal Animations */
.reveal-fade {
  opacity: 0;
  transition: var(--transition-slow);
}

.reveal-bottom {
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-slow);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideLeft {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* Медиа-запросы */
@media (max-width: 991.98px) {
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  h3 {
    font-size: var(--font-size-xl);
  }
  
  .hero-section {
    height: 80vh;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .cookie-content p {
    margin-right: 0;
  }
  
  .contact-info,
  .contact-form {
    margin-bottom: 2rem;
  }
}

@media (max-width: 767.98px) {
  .section-header {
    margin-bottom: 2rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .innovation-card,
  .project-card,
  .webinar-card,
  .resource-card {
    margin-bottom: 2rem;
  }
  
  .hero-section {
    height: 70vh;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .social-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 575.98px) {
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
  
  h3 {
    font-size: var(--font-size-lg);
  }
  
  .hero-section {
    height: 60vh;
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-md);
  }
  
  .section-subtitle {
    font-size: var(--font-size-md);
  }
  
  .card-image {
    height: 180px;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-links {
    margin-bottom: 2rem;
  }
  
  .social-links {
    justify-content: center;
  }
}