:root {
  /* Основная цветовая палитра */
  --primary-color: #2a6ac1;
  --primary-dark: #1a5099;
  --primary-light: #4a8ae1;
  --secondary-color: #21d07f;
  --secondary-dark: #18a363;
  --secondary-light: #35e699;
  --accent-color: #f39c12;
  --accent-dark: #d68910;
  --accent-light: #f7b541;
  
  /* Нейтральные цвета */
  --dark: #1a1a2e;
  --dark-medium: #2c2c44;
  --medium: #4a4a6a;
  --light-medium: #7a7a9a;
  --light: #f0f2f5;
  --white: #ffffff;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
  --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-medium) 100%);
  --gradient-light: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
  
  /* Скругления */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Отступы */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Размеры шрифтов */
  --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;
  
  /* Толщина шрифта */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Анимации */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Базовые стили */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

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

h2 {
  font-size: var(--font-size-3xl);
}

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

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

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

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

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

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

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

/* Утилиты */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--radius-full);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: -1rem auto var(--spacing-xl);
  color: var(--medium);
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-weight: var(--font-weight-medium);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  font-size: var(--font-size-md);
  line-height: 1.4;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: var(--white);
}

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

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
  color: var(--white);
}

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

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

/* Формы */
input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--light-medium);
  border-radius: var(--radius-md);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
  background-color: var(--white);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(42, 106, 193, 0.2);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--dark-medium);
}

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

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

/* Карточки */
.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

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

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

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

/* 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-sm);
  backdrop-filter: blur(10px);
  transition: background-color var(--transition-medium);
}

.header.scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo a {
  display: flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  text-decoration: none;
}

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

.main-nav .nav-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-nav .nav-list li {
  margin-left: var(--spacing-lg);
}

.main-nav .nav-list a {
  color: var(--dark);
  font-weight: var(--font-weight-medium);
  position: relative;
  padding-bottom: 5px;
}

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

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 150px 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--white);
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: var(--white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Services Section */
.services {
  padding: var(--spacing-xxl) 0;
  background: var(--gradient-light);
}

.services-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.services-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 80px;
  width: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-left: 120px;
  margin-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

/* Behind the Scenes */
.behind-the-scenes {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

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

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

.behind-text {
  flex: 1;
}

/* Webinars */
.webinars {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, rgba(42, 106, 193, 0.05) 0%, rgba(33, 208, 127, 0.05) 100%);
}

.webinars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.webinar-date {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--accent-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-sm);
}

/* Resources */
.resources {
  padding: var(--spacing-xxl) 0;
  background-color: var(--light);
}

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

.resource-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

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

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

.resource-card li {
  margin-bottom: var(--spacing-sm);
}

.resource-card a {
  display: inline-block;
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

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

/* Gallery */
.gallery {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 250px;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
  color: var(--white);
  transition: opacity var(--transition-medium);
}

.gallery-caption h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--white);
}

.gallery-caption p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Clientele */
.clientele {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, rgba(33, 208, 127, 0.05) 0%, rgba(243, 156, 18, 0.05) 100%);
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.testimonial-image {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--primary-light);
}

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

.testimonial-content {
  flex-grow: 1;
}

.testimonial-text {
  position: relative;
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--medium);
}

.testimonial-text::before,
.testimonial-text::after {
  content: '"';
  font-size: var(--font-size-3xl);
  color: var(--primary-light);
  line-height: 0;
  position: relative;
}

.testimonial-author {
  font-weight: var(--font-weight-medium);
  color: var(--dark);
}

/* Contact */
.contact {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

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

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

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.animated-icon {
  margin-right: var(--spacing-md);
  font-size: var(--font-size-xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

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

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo h3 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.footer-logo p {
  color: var(--light-medium);
}

.footer-links h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

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

.footer-links a:hover {
  color: var(--white);
}

.footer-social h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

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

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

.footer-bottom {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: var(--light-medium);
  margin-bottom: var(--spacing-sm);
}

.disclaimer {
  font-size: var(--font-size-sm);
  max-width: 800px;
  margin: 0 auto;
}

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

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

.success-title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.success-message {
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
}

/* Terms and Privacy Pages */
.page-content {
  padding: 150px var(--spacing-lg) var(--spacing-xl);
}

.page-title {
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
}

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

.page-section h3 {
  color: var(--primary-dark);
  margin-bottom: var(--spacing-md);
}

/* Media Queries */
@media (max-width: 1024px) {
  html {
    font-size: 14px;
  }
  
  .behind-content {
    flex-direction: column;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav .nav-list {
    flex-direction: column;
  }
  
  .main-nav .nav-list li {
    margin: 0 0 var(--spacing-md) 0;
  }
  
  .hero {
    padding: 120px 0 80px;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .services-timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .testimonials, 
  .gallery-grid, 
  .webinars-grid, 
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* Анимации и микровзаимодействия */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
  opacity: 0;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

/* Cookies Popup */
#cookie-popup {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  box-shadow: var(--shadow-lg);
}

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

#accept-cookies:hover {
  background-color: #45a049;
}