:root {
  /* Основная цветовая палитра - монохромная */
  --primary-color: #2c3e50;
  --primary-light: #3d5166;
  --primary-dark: #1a2530;
  --secondary-color: #ecf0f1;
  --secondary-dark: #cfd9db;
  --secondary-light: #f5f7f8;
  --accent-color: #34495e;
  --text-color: #333333;
  --text-light: #666666;
  --text-dark: #222222;
  --white: #ffffff;
  --black: #000000;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-color-strong: rgba(0, 0, 0, 0.2);
  
  /* Нейроморфические тени */
  --neuro-shadow-light: 8px 8px 16px var(--shadow-color);
  --neuro-shadow-dark: -8px -8px 16px var(--secondary-light);
  --neuro-shadow-inset: inset 2px 2px 5px var(--shadow-color-strong), inset -2px -2px 5px var(--secondary-light);
  
  /* Размеры и отступы */
  --section-padding: 80px 0;
  --card-border-radius: 15px;
  --button-border-radius: 30px;
  
  /* Переходы и анимации */
  --transition-fast: 0.3s ease-in-out;
  --transition-normal: 0.5s ease-in-out;
  --transition-slow: 0.8s ease-in-out;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  margin-bottom: 2rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
}

p {
  margin-bottom: 1.5rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

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

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--card-border-radius);
  transition: var(--transition-normal);
}

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

.section-description {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* Нейроморфические стили */
.neuro-card {
  background-color: var(--secondary-color);
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  overflow: hidden;
}

.neuro-card:hover {
  transform: translateY(-5px);
  box-shadow: 10px 10px 20px var(--shadow-color), -10px -10px 20px var(--secondary-light);
}

.neuro-input {
  background-color: var(--secondary-color);
  border: none;
  border-radius: var(--card-border-radius);
  padding: 12px 20px;
  box-shadow: var(--neuro-shadow-inset);
  transition: var(--transition-fast);
}

.neuro-input:focus {
  outline: none;
  box-shadow: inset 4px 4px 8px var(--shadow-color-strong), inset -4px -4px 8px var(--secondary-light);
}

/* Кнопки */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--button-border-radius);
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  background-color: var(--secondary-color);
  color: var(--primary-color);
  font-size: 1rem;
  margin: 10px 5px;
}

.btn:hover, button:hover, input[type='submit']:hover {
  transform: translateY(-3px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
  color: var(--primary-light);
}

.btn:active, button:active, input[type='submit']:active {
  transform: translateY(0);
  box-shadow: var(--neuro-shadow-inset);
}

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

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

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

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

/* Читать далее ссылки */
.read-more-link {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--primary-color);
  transition: var(--transition-fast);
}

.read-more-link:hover {
  color: var(--primary-light);
  border-bottom-color: var(--primary-light);
  transform: translateX(5px);
}

/* Навигация */
.navbar {
  background-color: var(--secondary-color);
  padding: 15px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: var(--transition-normal);
}

.navbar-brand {
  font-family: 'Oswald', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.navbar-toggler {
  border: none;
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  padding: 10px;
  border-radius: 8px;
}

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

.navbar-nav .nav-item {
  margin: 0 5px;
}

.navbar-nav .nav-link {
  color: var(--primary-color);
  font-weight: 600;
  padding: 10px 15px;
  border-radius: 30px;
  transition: var(--transition-fast);
}

.navbar-nav .nav-link:hover {
  background-color: var(--secondary-light);
  color: var(--primary-light);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
}

.navbar-nav .nav-link.active {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: var(--neuro-shadow-inset);
}

/* Герой секция */
.hero-section {
  position: relative;
  padding: 150px 0 100px;
  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: -1;
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
  color: var(--white);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

/* Секция услуг (адаптированная из Instructors) */
.services-section {
  padding: var(--section-padding);
  background-color: var(--secondary-light);
}

.service-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
  margin-bottom: 30px;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--card-border-radius);
  margin-bottom: 20px;
  text-align: center;
}

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

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

.card-content {
  text-align: center;
  padding: 0 10px;
}

.card-content h3 {
  margin-bottom: 15px;
  font-weight: 600;
}

/* Секция команды */
.team-section {
  padding: var(--section-padding);
}

.team-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
  margin-bottom: 30px;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.team-position {
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
}

/* Секция воркшопов */
.workshops-section {
  padding: var(--section-padding);
  background-color: var(--secondary-light);
}

.workshop-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
  margin-bottom: 30px;
}

.workshop-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.workshop-date {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 15px;
}

.workshop-btn {
  margin-top: 20px;
}

/* Секция внешних ресурсов */
.external-resources {
  padding: var(--section-padding);
}

.resource-card {
  height: 100%;
  padding: 30px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.resource-card h3 {
  margin-bottom: 20px;
  text-align: center;
}

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

.resource-list li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 20px;
}

.resource-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 1.2rem;
}

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

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

/* Секция аналитики (Insights) */
.insights-section {
  padding: var(--section-padding);
  background-color: var(--secondary-light);
}

.insight-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
}

.insight-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.insight-date {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 15px;
}

.insight-btn {
  margin-top: 20px;
}

/* Секция отзывов */
.testimonials-section {
  padding: var(--section-padding);
}

.testimonial-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
  margin-bottom: 30px;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.testimonial-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--neuro-shadow-light);
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

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

.testimonial-position {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 10px;
}

.testimonial-stars {
  color: gold;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.testimonial-text {
  font-style: italic;
  position: relative;
}

.testimonial-text::before,
.testimonial-text::after {
  content: '"';
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-light);
}

/* Секция историй клиентов */
.customer-stories {
  padding: var(--section-padding);
  background-color: var(--secondary-light);
}

.story-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 25px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  transition: var(--transition-normal);
  background-color: var(--secondary-color);
}

.story-card:hover {
  transform: translateY(-10px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

/* Секция контактов */
.contact-section {
  padding: var(--section-padding);
}

.contact-form-container {
  border-radius: var(--card-border-radius);
  padding: 40px;
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  background-color: var(--secondary-color);
}

.contact-form .form-label {
  font-weight: 600;
  color: var(--primary-color);
}

.contact-form .form-control, 
.contact-form .form-select {
  background-color: var(--secondary-color);
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  box-shadow: var(--neuro-shadow-inset);
  transition: var(--transition-fast);
}

.contact-form .form-control:focus, 
.contact-form .form-select:focus {
  outline: none;
  box-shadow: inset 4px 4px 8px var(--shadow-color-strong), inset -4px -4px 8px var(--secondary-light);
}

.form-check-input {
  background-color: var(--secondary-color);
  border: none;
  box-shadow: var(--neuro-shadow-inset);
}

.form-check-input:checked {
  background-color: var(--primary-color);
  box-shadow: none;
}

.contact-info {
  margin-top: 50px;
}

.contact-info-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  background-color: var(--secondary-color);
  height: 100%;
  transition: var(--transition-normal);
}

.contact-info-item:hover {
  transform: translateY(-5px);
  box-shadow: 12px 12px 24px var(--shadow-color), -12px -12px 24px var(--secondary-light);
}

.contact-info-item h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Футер */
.footer-section {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 70px 0 20px;
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: 25px;
  font-size: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 10px;
}

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

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

.social-links {
  display: flex;
  flex-direction: column;
}

.social-links a {
  color: var(--secondary-color);
  margin-bottom: 10px;
  transition: var(--transition-fast);
}

.social-links a:hover {
  color: var(--white);
  transform: translateX(5px);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

/* Cookie consent */
#cookie-consent {
  border-radius: 10px 10px 0 0;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.2);
}

#accept-cookies {
  background-color: var(--primary-color);
  transition: var(--transition-fast);
}

#accept-cookies:hover {
  background-color: var(--primary-light);
}

/* Success Page */
.success-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 50px 20px;
  text-align: center;
}

.success-container {
  max-width: 700px;
  padding: 50px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  background-color: var(--secondary-color);
  transition: var(--transition-normal);
}

.success-icon {
  font-size: 5rem;
  color: #27ae60;
  margin-bottom: 30px;
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
  padding-bottom: 50px;
}

.content-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  background-color: var(--secondary-color);
}

.content-container h2 {
  margin-top: 30px;
  margin-bottom: 20px;
}

.content-container h3 {
  margin-top: 25px;
  margin-bottom: 15px;
}

/* Адаптивность */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--secondary-color);
    padding: 20px;
    border-radius: 15px;
    margin-top: 15px;
    box-shadow: var(--neuro-shadow-light), var(--neuro-shadow-dark);
  }
  
  .navbar-nav .nav-item {
    margin: 5px 0;
  }
  
  .hero-section {
    padding: 120px 0 80px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .contact-form-container {
    padding: 30px;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .service-card, .team-card, .workshop-card, .insight-card, .testimonial-card, .story-card {
    padding: 20px;
  }
  
  .contact-info-item {
    margin-bottom: 20px;
  }
  
  .footer-section {
    padding: 50px 0 20px;
  }
}

@media (max-width: 575.98px) {
  :root {
    --section-padding: 40px 0;
  }
  
  h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  
  h2 {
    font-size: clamp(1.75rem, 7vw, 2rem);
  }
  
  .btn, button, input[type='submit'] {
    padding: 10px 25px;
    font-size: 0.9rem;
  }
  
  .card-image {
    height: 180px;
  }
  
  .testimonial-image {
    width: 120px;
    height: 120px;
  }
  
  .contact-form-container {
    padding: 20px;
  }
  
  .success-container {
    padding: 30px;
  }
}

/* Анимации при прокрутке */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.active {
  opacity: 1;
  transform: scale(1);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-left.active {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Микроинтеракции */
.hover-lift {
  transition: transform 0.3s ease;
}

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

.hover-scale {
  transition: transform 0.3s ease;
}

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

.hover-rotate {
  transition: transform 0.3s ease;
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

/* Утилиты */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-5 {
  margin-top: 3rem;
}