:root {
  /* Цветовая схема */
  --primary-color: #4d13d1;
  --primary-color-dark: #3c0fb5;
  --secondary-color: #ff5722;
  --secondary-color-dark: #e64a19;
  --accent-color: #00bcd4;
  --accent-color-dark: #0097a7;
  --success-color: #4caf50;
  --success-color-dark: #388e3c;
  --warning-color: #ff9800;
  --warning-color-dark: #f57c00;
  --error-color: #f44336;
  --error-color-dark: #d32f2f;
  
  /* Нейтральные цвета */
  --background-color: #ffffff;
  --background-alt: #f8f9fa;
  --text-color: #333333;
  --text-color-light: #666666;
  --text-color-lighter: #999999;
  --border-color: #e0e0e0;
  --border-color-dark: #cccccc;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), #7928ca);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #ff9800);
  --gradient-accent: linear-gradient(135deg, var(--accent-color), #2196f3);
  --gradient-overlay: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
  
  /* Типографика */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Rubik', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  
  /* Animation */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

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

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

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

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

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

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

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

ul {
  list-style: none;
}

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

/* Sections */
section {
  padding: var(--spacing-3xl) 0;
}

.section-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  color: var(--text-color-light);
  font-size: var(--font-size-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-md);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-color-dark), #6517b9);
  color: white;
}

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

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-color-dark), #f57c00);
  color: white;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav .nav-list {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav .nav-list a {
  color: var(--text-color);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.main-nav .nav-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.main-nav .nav-list a:hover {
  color: var(--primary-color);
}

.main-nav .nav-list a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--text-color);
  transition: var(--transition-normal);
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 1;
}

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

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-3xl) 0;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Statistics Section */
.statistics {
  background-color: var(--background-alt);
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.card {
  display: flex;
  flex-direction: column;
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

.price-tag {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--gradient-secondary);
  color: white;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-sm);
}

/* About Section */
.about-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.about-text {
  flex: 1;
}

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

.about-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-normal);
}

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

/* Timeline Section */
.timeline-container {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
}

.timeline-marker {
  position: absolute;
  top: 0;
  left: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  transform: translateX(-50%);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.timeline-content {
  width: 45%;
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.timeline-content:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

/* Resources Section */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.resource-card {
  display: block;
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  color: var(--text-color);
}

.resource-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

.resource-card p {
  color: var(--text-color-light);
  font-size: var(--font-size-md);
}

/* Gallery Section */
.gallery-slider {
  position: relative;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.gallery-track {
  display: flex;
  transition: transform 0.5s ease;
}

.gallery-item {
  min-width: 100%;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.gallery-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  transform: translateY(-50%);
  z-index: 2;
}

.gallery-prev,
.gallery-next {
  background-color: rgba(255, 255, 255, 0.7);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.gallery-prev:hover,
.gallery-next:hover {
  background-color: white;
  box-shadow: var(--shadow-lg);
}

.gallery-dots {
  position: absolute;
  bottom: var(--spacing-lg);
  width: 100%;
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  z-index: 2;
}

.gallery-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.gallery-dot.active {
  background-color: white;
  transform: scale(1.2);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

/* Partners Section */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.partner-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.partner-item img {
  max-width: 150px;
  margin: 0 auto var(--spacing-md);
}

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

.contact-wrapper {
  display: flex;
  gap: var(--spacing-2xl);
}

.contact-info,
.contact-form-container {
  flex: 1;
}

.contact-details {
  margin-top: var(--spacing-xl);
}

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

.contact-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
}

.contact-form {
  background-color: var(--background-color);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(77, 19, 209, 0.1);
}

/* Footer */
.footer {
  background-color: #1a1a2e;
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo a {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: white;
  text-decoration: none;
  margin-bottom: var(--spacing-md);
  display: inline-block;
}

.footer-links h3,
.footer-legal h3,
.footer-social h3 {
  color: white;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-links ul,
.footer-legal ul,
.footer-social ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a,
.footer-legal a,
.footer-social a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover,
.footer-social a:hover {
  color: white;
}

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

/* Cookie Popup */
.cookie-popup {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(26, 26, 46, 0.95);
  color: white;
  z-index: 9999;
  padding: var(--spacing-lg);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
}

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.cookie-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  transition: background-color var(--transition-normal);
}

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

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

.success-content {
  max-width: 600px;
  padding: var(--spacing-2xl);
  background-color: var(--background-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

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

/* Pages (Privacy, Terms) */
.page-content {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin: 0 auto;
}

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

.page-content h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.page-content p,
.page-content ul {
  margin-bottom: var(--spacing-lg);
}

.page-content ul {
  list-style: disc;
  padding-left: var(--spacing-xl);
}

/* Animation Utilities */
[data-anime] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-anime="fade-in"].animate {
  opacity: 1;
  transform: translateY(0);
}

[data-anime="fade-up"].animate {
  opacity: 1;
  transform: translateY(0);
}

[data-anime="fade-right"].animate {
  opacity: 1;
  transform: translateX(0);
}

[data-anime="slide-up"].animate {
  opacity: 1;
  transform: translateY(0);
}

[data-anime="zoom-in"].animate {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Media Queries */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
  
  .statistics-grid,
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }
  
  .services-grid,
  .projects-grid,
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-text,
  .about-image {
    width: 100%;
  }
  
  .timeline-container::before {
    left: 30px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 80px;
    width: 100%;
  }
  
  .timeline-marker {
    left: 30px;
  }
  
  .timeline-content {
    width: 100%;
  }
  
  .contact-wrapper {
    flex-direction: column;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 540px;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-2xl: 1.25rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 70%;
    height: calc(100vh - var(--header-height));
    background-color: var(--background-color);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    overflow-y: auto;
    z-index: 1000;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav .nav-list {
    flex-direction: column;
    padding: var(--spacing-lg);
  }
  
  .main-nav .nav-list a {
    display: block;
    padding: var(--spacing-md);
  }
  
  .services-grid,
  .statistics-grid,
  .projects-grid,
  .partners-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 576px) {
  :root {
    --container-width: 100%;
    --spacing-3xl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .about-image {
    height: 250px;
  }
  
  .gallery-item img {
    height: 250px;
  }
  
  .contact-form {
    padding: var(--spacing-lg);
  }
}