:root {
  /* Основные цвета */
  --primary-color: #3a7bd5;
  --primary-dark: #2c5da0;
  --primary-light: #5a9df5;
  --secondary-color: #66c6ba;
  --secondary-dark: #4e9e94;
  --secondary-light: #82ded2;
  
  /* Нейтральные цвета */
  --neutral-100: #ffffff;
  --neutral-200: #f7f9fc;
  --neutral-300: #e8ecf2;
  --neutral-400: #d0d6e0;
  --neutral-500: #9ba3b2;
  --neutral-600: #6c7989;
  --neutral-700: #4a5568;
  --neutral-800: #2d3748;
  --neutral-900: #1a202c;
  
  /* Дополнительные цвета */
  --success-color: #48bb78;
  --warning-color: #f6ad55;
  --error-color: #e53e3e;
  
  /* Тени для нейроморфизма */
  --neu-light-shadow: 0.8rem 0.8rem 1.6rem rgba(200, 210, 225, 0.6);
  --neu-dark-shadow: -0.4rem -0.4rem 1.6rem rgba(255, 255, 255, 0.5);
  --neu-inset-shadow: inset 0.4rem 0.4rem 0.8rem rgba(200, 210, 225, 0.6), 
                      inset -0.4rem -0.4rem 0.8rem rgba(255, 255, 255, 0.5);
  
  /* Радиусы и отступы */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing: 2rem;
  --spacing-md: 3rem;
  --spacing-lg: 5rem;
  --spacing-xl: 8rem;
  
  /* Шрифты и типографика */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size: 1rem;
  --font-size-md: 1.25rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.5rem;
  --font-size-3xl: 3rem;
  
  /* Контейнеры */
  --container-width: 1200px;
  --container-padding: 2rem;
}

/* Сброс стилей */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: var(--neutral-200);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--neutral-900);
  line-height: 1.3;
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

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

h4 {
  font-size: var(--font-size-lg);
}

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

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
}

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

ul {
  list-style: none;
}

/* Утилиты */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  margin: var(--spacing-xs) auto 0;
  border-radius: var(--border-radius);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  color: var(--neutral-700);
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  border-radius: var(--border-radius);
  font-family: var(--font-heading);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: var(--font-size);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%) rotate(45deg);
  transition: transform 0.5s ease;
}

.btn:hover::before {
  transform: translateX(100%) rotate(45deg);
}

.btn:active {
  box-shadow: var(--neu-inset-shadow);
  transform: translateY(1px);
}

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

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

.secondary-btn {
  background-color: var(--neutral-100);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.secondary-btn:hover {
  background-color: var(--primary-light);
  color: var(--neutral-100);
  border-color: var(--primary-light);
}

/* Формы */
input, 
textarea, 
select {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--neutral-400);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size);
  transition: all 0.3s ease;
  background-color: var(--neutral-100);
  box-shadow: var(--neu-inset-shadow);
}

input:focus, 
textarea:focus, 
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(58, 123, 213, 0.1);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--neutral-700);
}

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

button, 
input[type="submit"] {
  cursor: pointer;
}

/* Карточки */
.card {
  background-color: var(--neutral-100);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: var(--spacing);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.card-content {
  padding: var(--spacing);
  flex-grow: 1;
  width: 100%;
}

/* Хедер и навигация */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(247, 249, 252, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 0.75rem 0;
  background-color: rgba(247, 249, 252, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.logo a {
  color: var(--neutral-900);
  text-decoration: none;
}

.logo h1 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.navigation ul {
  display: flex;
  gap: var(--spacing);
}

.navigation ul li a {
  color: var(--neutral-700);
  font-weight: 500;
  transition: color 0.3s ease, transform 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

.navigation ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.navigation ul li a:hover {
  color: var(--primary-color);
}

.navigation ul li 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 {
  width: 100%;
  height: 2px;
  background-color: var(--neutral-900);
  transition: all 0.3s ease;
}

/* Hero секция */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 120px 0 var(--spacing-lg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-bottom: var(--spacing);
  overflow: hidden;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  animation: fadeInUp 1s ease;
}

.hero h1 {
  color: var(--neutral-100);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  color: var(--neutral-100);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* About Us секция */
.about {
  padding: var(--spacing-lg) 0;
  background-color: var(--neutral-200);
}

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

.about-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-content:hover .about-image img {
  transform: scale(1.03);
}

.about-text {
  flex: 1;
}

.about-text h3 {
  margin-bottom: var(--spacing-sm);
}

/* Vision секция */
.vision {
  padding: var(--spacing-lg) 0;
  background-color: var(--neutral-100);
}

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

.vision-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  order: 2;
}

.vision-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.vision-content:hover .vision-image img {
  transform: scale(1.03);
}

.vision-text {
  flex: 1;
  order: 1;
}

.vision-text h3 {
  margin-bottom: var(--spacing-sm);
}

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

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

.instructor-title {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

/* Resources секция */
.resources {
  padding: var(--spacing-lg) 0;
  background-color: var(--neutral-100);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing);
  margin-bottom: var(--spacing);
}

.resource-card {
  background-color: var(--neutral-100);
  border-radius: var(--border-radius);
  padding: var(--spacing);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.resource-card h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-md);
}

.resource-card a {
  color: var(--primary-color);
  transition: color 0.3s ease;
}

.resource-card a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.resources-action {
  text-align: center;
  margin-top: var(--spacing);
}

/* Testimonials секция */
.testimonials {
  padding: var(--spacing-lg) 0;
  background-color: var(--neutral-200);
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing);
}

.testimonial-card {
  background-color: var(--neutral-100);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  margin: 0 auto;
  max-width: 800px;
}

.testimonial-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.testimonial-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--neu-light-shadow);
}

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

blockquote {
  position: relative;
  font-style: italic;
  margin: 0;
  padding: 0 var(--spacing);
}

blockquote::before,
blockquote::after {
  content: '"';
  font-size: 2.5rem;
  color: var(--primary-light);
  position: absolute;
  line-height: 1;
}

blockquote::before {
  top: -10px;
  left: 0;
}

blockquote::after {
  bottom: -20px;
  right: 0;
}

cite {
  display: block;
  margin-top: var(--spacing-sm);
  font-style: normal;
  font-weight: 600;
  color: var(--neutral-700);
}

.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--neutral-400);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background-color: var(--primary-color);
  transform: scale(1.3);
}

/* Contact секция */
.contact {
  padding: var(--spacing-lg) 0;
  background-color: var(--neutral-100);
}

.contact-container {
  display: flex;
  gap: var(--spacing-md);
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  margin-bottom: var(--spacing);
}

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

.contact-info ul li {
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
}

.contact-info ul li i {
  margin-right: var(--spacing-xs);
  color: var(--primary-color);
}

.contact-hours {
  margin-bottom: var(--spacing);
}

.contact-hours h4 {
  margin-bottom: var(--spacing-xs);
}

.contact-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  margin-top: var(--spacing);
}

.contact-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.contact-form {
  flex: 1;
  background-color: var(--neutral-200);
  padding: var(--spacing);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
}

/* Footer */
.footer {
  background-color: var(--neutral-800);
  color: var(--neutral-300);
  padding: var(--spacing-lg) 0 var(--spacing);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing);
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  flex: 1;
  min-width: 250px;
}

.footer-logo h3 {
  color: var(--neutral-100);
  margin-bottom: var(--spacing-xs);
}

.footer-links {
  flex: 2;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing);
}

.footer h4 {
  color: var(--neutral-100);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary-color);
}

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

.footer ul li a {
  color: var(--neutral-400);
  transition: color 0.3s ease;
}

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

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

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

.success-content {
  max-width: 600px;
  background-color: var(--neutral-100);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--neu-light-shadow), var(--neu-dark-shadow);
  animation: fadeInDown 0.5s ease;
}

.success-content h1 {
  margin-bottom: var(--spacing);
  color: var(--success-color);
}

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

/* Privacy & Terms Pages */
.page-content {
  padding-top: 120px;
  padding-bottom: var(--spacing-lg);
}

.page-content h1 {
  margin-bottom: var(--spacing);
}

.page-content h2 {
  margin-top: var(--spacing);
  margin-bottom: var(--spacing-sm);
}

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

.page-content ul {
  margin-bottom: var(--spacing);
  padding-left: var(--spacing);
}

.page-content ul li {
  margin-bottom: var(--spacing-xs);
  list-style-type: disc;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Медиа-запросы для отзывчивости */
@media (max-width: 1024px) {
  :root {
    --font-size-3xl: 2.5rem;
    --font-size-2xl: 2rem;
    --font-size-xl: 1.75rem;
  }
  
  .about-content,
  .vision-content,
  .contact-container {
    flex-direction: column;
  }
  
  .vision-image {
    order: 1;
  }
  
  .vision-text {
    order: 2;
  }
  
  .about-image,
  .vision-image {
    margin-bottom: var(--spacing);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-xl: 1.5rem;
    --container-padding: 1.5rem;
  }
  
  .navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--neutral-100);
    padding: var(--spacing) 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  
  .navigation.active {
    display: block;
  }
  
  .navigation ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .navigation ul li {
    width: 100%;
    text-align: center;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .burger-menu.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  
  .burger-menu.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .hero {
    min-height: 60vh;
    padding: 100px 0 var(--spacing);
  }
  
  .instructors-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing);
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
    --container-padding: 1rem;
  }
  
  .hero {
    min-height: 50vh;
  }
  
  .testimonial-card {
    padding: var(--spacing-sm);
  }
  
  .contact-form {
    padding: var(--spacing-sm);
  }
}