:root {
  /* Основная цветовая палитра (аналоговая схема) */
  --primary-color: #007BFF;
  --primary-dark: #0056b3;
  --primary-light: #4da3ff;
  --secondary-color: #00B8D9;
  --secondary-dark: #008da8;
  --accent-color: #6610f2;
  --accent-light: #8540f5;
  
  /* Нейтральные цвета */
  --dark: #222222;
  --dark-gray: #444444;
  --medium-gray: #777777;
  --light-gray: #eeeeee;
  --white: #ffffff;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-dark: linear-gradient(135deg, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  
  /* Скругления */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Брутализм */
  --brutalist-border: 3px solid var(--dark);
  --brutalist-shadow: 8px 8px 0 var(--dark);
  
  /* Типографика */
  --heading-font: 'Roboto', sans-serif;
  --body-font: 'Lato', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

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

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

section {
  padding: 80px 0;
  position: relative;
}

.section-heading {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.section-subheading {
  font-size: 1.2rem;
  text-align: center;
  color: var(--medium-gray);
  margin-bottom: 3rem;
}

/* Брутализм + Биоморфный дизайн */
.brutalist-section {
  position: relative;
  overflow: hidden;
}

.brutalist-section::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-image: url('image/biomorphic-pattern.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0.05;
  z-index: 0;
}

.brutalist-card {
  background-color: var(--white);
  border: var(--brutalist-border);
  box-shadow: var(--brutalist-shadow);
  transition: transform var(--transition-normal);
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.brutalist-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--dark);
}

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

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

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

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

.brutalist-image {
  border: var(--brutalist-border);
  box-shadow: var(--brutalist-shadow);
  transition: transform var(--transition-normal);
}

.brutalist-image:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--dark);
}

/* Кнопки */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: var(--brutalist-border);
  padding: 0.5rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--dark);
}

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

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

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

.brutalist-btn {
  position: relative;
  transition: all var(--transition-normal);
}

.brutalist-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.1);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.brutalist-btn:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Параллакс эффект */
.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Header */
.header-brutalist {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--white);
  border-bottom: var(--brutalist-border);
  padding: 15px 0;
  transition: all var(--transition-normal);
}

.header-brutalist.scrolled {
  padding: 8px 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--dark);
}

.navbar-toggler {
  border: var(--brutalist-border);
  padding: 8px;
}

.nav-link {
  font-weight: 600;
  color: var(--dark);
  margin: 0 10px;
  padding: 8px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

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

/* Hero Section */
.hero-section {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--white);
  text-align: center;
  padding-top: 80px;
  background-color: var(--dark);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
  z-index: 1;
}

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

.brutalist-hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-section h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-section p.lead {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* Features Section */
.features-section {
  background-color: var(--white);
}

/* Instructors Section */
.instructors-section {
  background-color: var(--light-gray);
}

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

.instructor-card .card-image {
  height: 300px;
  width: 100%;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
}

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

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

.timeline-container {
  position: relative;
  padding-left: 30px;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background-color: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-marker {
  position: absolute;
  top: 0.3rem;
  left: -30px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 3px solid var(--white);
}

.timeline-content {
  padding-bottom: 1rem;
}

/* External Resources Section */
.resources-section {
  background-color: var(--light-gray);
}

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

/* Events Section */
.events-section {
  background-color: var(--white);
}

.event-card .event-date {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  font-weight: 700;
  border: 2px solid var(--dark);
}

/* Innovation Section */
.innovation-section {
  background-color: var(--light-gray);
}

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

/* Sustainability Section */
.sustainability-section {
  background-color: var(--white);
}

/* Community Section */
.community-section {
  background-color: var(--light-gray);
}

.testimonials-container {
  margin-top: 2rem;
}

.testimonial-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--light-gray);
}

.testimonial-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.testimonial-content {
  position: relative;
  padding: 1.5rem;
  background-color: var(--white);
  border: var(--brutalist-border);
  margin-bottom: 1.5rem;
}

.testimonial-content::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 30px;
  width: 20px;
  height: 20px;
  background-color: var(--white);
  border-right: var(--brutalist-border);
  border-bottom: var(--brutalist-border);
  transform: rotate(45deg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  margin-top: 1rem;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-right: 1rem;
  border: 2px solid var(--primary-color);
}

.testimonial-author h4 {
  margin-bottom: 0.2rem;
  font-size: 1.1rem;
}

.testimonial-author p {
  margin-bottom: 0;
  color: var(--medium-gray);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
  background-color: var(--white);
}

.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.contact-info li i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
  width: 30px;
  text-align: center;
}

.contact-info li h4 {
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.contact-info li p {
  margin-bottom: 0;
  color: var(--dark-gray);
}

.social-media h4 {
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.social-links a {
  display: inline-block;
  background-color: var(--light-gray);
  color: var(--dark);
  padding: 8px 15px;
  border: 2px solid var(--dark);
  transition: all var(--transition-normal);
  text-decoration: none;
  font-weight: 600;
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
}

.brutalist-social-link {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.brutalist-social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-color);
  z-index: -1;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition-normal);
}

.brutalist-social-link:hover {
  color: var(--white);
}

.brutalist-social-link:hover::before {
  transform: scaleY(1);
}

.map-container {
  height: 400px;
  overflow: hidden;
}

.map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Формы */
.brutalist-input,
.brutalist-select,
.brutalist-textarea {
  display: block;
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--dark);
  background-color: var(--white);
  background-clip: padding-box;
  border: var(--brutalist-border);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.brutalist-input:focus,
.brutalist-select:focus,
.brutalist-textarea:focus {
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 4px 4px 0 var(--primary-color);
}

.form-check-input {
  width: 1.2em;
  height: 1.2em;
  margin-top: 0.15em;
  border: var(--brutalist-border);
}

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

/* Footer */
.footer-brutalist {
  background-color: var(--dark);
  color: var(--white);
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}

.footer-brutalist::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
}

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

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

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--light-gray);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

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

.newsletter-form .form-control {
  background-color: rgba(255,255,255,0.1);
  border: 1px solid var(--medium-gray);
  color: var(--white);
}

.newsletter-form .form-control::placeholder {
  color: var(--light-gray);
}

.copyright {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: var(--light-gray);
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0,0,0,0.9);
  color: var(--white);
  padding: 20px;
  z-index: 9999;
  display: none;
}

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

.cookie-content p {
  margin: 0 20px 0 0;
}

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

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

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

.success-message {
  max-width: 600px;
  margin: 0 auto;
}

.success-message h1 {
  margin-bottom: 1.5rem;
}

.success-message p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Pages (About, Privacy, Terms) */
.page-content {
  padding-top: 100px;
  padding-bottom: 80px;
}

.page-content h1 {
  margin-bottom: 2rem;
}

.page-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

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

/* Читать далее */
.read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  padding: 0.3rem 0;
  position: relative;
  overflow: hidden;
}

.read-more::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.read-more:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

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

/* Адаптивность */
@media (max-width: 991.98px) {
  .section-heading {
    font-size: 2rem;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-content p {
    margin-bottom: 1rem;
    margin-right: 0;
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 60px 0;
  }
  
  .hero-section {
    height: auto;
    min-height: 100vh;
  }
  
  .section-heading {
    font-size: 1.8rem;
  }
  
  .section-subheading {
    font-size: 1rem;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-section p.lead {
    font-size: 1.2rem;
  }
  
  .card-image {
    height: 200px;
  }
  
  .contact-info li {
    flex-direction: column;
  }
  
  .contact-info li i {
    margin-bottom: 0.5rem;
    margin-right: 0;
  }
}

@media (max-width: 575.98px) {
  .section-heading {
    font-size: 1.5rem;
  }
  
  .hero-section h1 {
    font-size: 1.8rem;
  }
  
  .hero-section p.lead {
    font-size: 1rem;
  }
  
  .brutalist-card {
    margin-bottom: 20px;
  }
  
  .card-content {
    padding: 1.5rem;
  }
  
  .social-links {
    flex-direction: column;
    gap: 10px;
  }
  
  .social-links a {
    width: 100%;
    text-align: center;
  }
}