:root {
  /* Основная монохромная цветовая схема */
  --color-primary: #1a1a1a;
  --color-primary-light: #2a2a2a;
  --color-primary-dark: #121212;
  --color-secondary: #3a3a3a;
  --color-accent: #555555;
  --color-highlight: #888888;
  --color-muted: #cccccc;
  --color-white: #ffffff;
  --color-off-white: #f7f7f7;
  --color-black: #000000;
  
  /* Акцентные цвета для неонового оттенка в стиле нео-брутализм */
  --color-neon: #00ffcc;
  --color-neon-light: #8affe2;
  --color-neon-dark: #00cca3;
  
  /* Теневые эффекты */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
  --shadow-brutal: 5px 5px 0px var(--color-black);
  
  /* Шрифты */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* Размеры шрифтов */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Радиусы скругления */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 1rem;
  
  /* Переходы и анимации */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Контейнеры */
  --container-max-width: 1200px;
  --container-padding: 1rem;
  
  /* Отступы */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

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

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

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

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

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

a:hover {
  color: var(--color-neon);
}

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

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

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

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

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

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

/* Section Styles */
section {
  padding: var(--spacing-2xl) 0;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-neon);
}

/* Button Styles */
.btn, button, input[type='submit'] {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: var(--text-sm);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px var(--color-black);
  color: var(--color-neon);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-brutal);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px var(--color-black);
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-2xl);
}

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

.logo a:hover {
  color: var(--color-neon);
}

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

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

.main-nav a {
  font-family: var(--font-heading);
  font-weight: 500;
  text-transform: uppercase;
  font-size: var(--text-sm);
  letter-spacing: 1px;
  padding: var(--spacing-xs) 0;
  position: relative;
}

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

.main-nav 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 {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-primary);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 0;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  color: var(--color-white);
}

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

.hero-content h1 {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

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

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.about-text {
  font-size: var(--text-lg);
}

.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-brutal);
  transition: transform var(--transition-normal);
}

.about-image:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px var(--color-black);
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

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

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

.stat-widget h3 {
  font-size: var(--text-4xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-widget p {
  font-size: var(--text-base);
  color: var(--color-accent);
  margin-bottom: 0;
}

/* Vision Section */
.vision {
  color: var(--color-white);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.vision .section-title {
  color: var(--color-white);
}

.vision-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.vision-text {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xl);
}

.vision-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.vision-pillar {
  background-color: rgba(0, 0, 0, 0.6);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-neon);
  text-align: left;
  transition: transform var(--transition-normal);
}

.vision-pillar:hover {
  transform: translateY(-5px);
  background-color: rgba(0, 0, 0, 0.7);
}

.vision-pillar h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-neon);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

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

.card:hover {
  transform: translateY(-10px);
}

.card-image {
  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);
  text-align: center;
}

.card-content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.card-content p {
  color: var(--color-secondary);
  margin-bottom: 0;
}

/* Process Section */
.process-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: var(--text-lg);
}

.process-steps {
  max-width: 900px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  margin-bottom: var(--spacing-lg);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.process-step.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-number {
  flex: 0 0 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-2xl);
  border-radius: 50%;
  margin-right: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
}

.step-content {
  flex: 1;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-brutal);
}

.step-content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 80px;
  left: 40px;
  width: 2px;
  height: calc(100% - 40px);
  background-color: var(--color-muted);
  z-index: 1;
}

/* Case Studies Section */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

/* Resources Section */
.resources-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: var(--text-lg);
}

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

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

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

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

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  padding-bottom: 2px;
}

.resource-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-neon);
  transition: width var(--transition-normal);
}

.resource-link:hover::after {
  width: 100%;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

/* Behind Scenes Section */
.behind-scenes {
  color: var(--color-white);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.behind-scenes .section-title {
  color: var(--color-white);
}

.behind-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.behind-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.behind-feature {
  background-color: rgba(0, 0, 0, 0.6);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: left;
  border-bottom: 4px solid var(--color-neon);
  transition: transform var(--transition-normal);
}

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

.behind-feature h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-neon);
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-brutal);
  height: 250px;
}

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

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

/* Events Section */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.event-date, .event-location {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-accent);
}

/* Media Section */
.media-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  font-size: var(--text-lg);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.media-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-brutal);
  transition: transform var(--transition-normal);
}

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

.media-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.media-info {
  padding: var(--spacing-lg);
  text-align: center;
}

.media-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.media-info p {
  color: var(--color-accent);
  margin-bottom: 0;
  font-style: italic;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info {
  padding: var(--spacing-lg);
}

.contact-info h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-md);
}

.contact-details {
  margin-top: var(--spacing-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-item h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

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

.contact-form-container h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-muted);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-neon);
}

.form-group textarea {
  resize: vertical;
}

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

.footer-content {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

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

.footer-column h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-neon);
}

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

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

.footer-column a {
  color: var(--color-muted);
  transition: color var(--transition-normal);
}

.footer-column a:hover {
  color: var(--color-neon);
}

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

.social-links a {
  display: inline-block;
  position: relative;
  padding-left: var(--spacing-md);
}

.social-links a::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-neon);
  transition: transform var(--transition-normal);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-secondary);
}

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

.success-content {
  max-width: 600px;
}

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

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
}

.privacy-content, .terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

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

/* Scroll Animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Cookie Consent */
#cookie-popup {
  border-top: 4px solid var(--color-neon);
}

#accept-cookies {
  background-color: var(--color-neon);
  color: var(--color-primary);
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-normal);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .contact-content,
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .main-nav li {
    margin: 0;
    margin-bottom: var(--spacing-sm);
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .contact-details {
    grid-template-columns: 1fr;
  }
  
  .vision-pillars,
  .behind-features {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stats-container {
    grid-template-columns: 1fr;
  }
  
  .services-grid,
  .case-studies-grid,
  .projects-grid,
  .media-grid,
  .events-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .card {
    max-width: 100%;
  }
}

/* Active State for Nav Links */
.main-nav a.active {
  color: var(--color-neon);
}

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

/* Animation for Scroll-to-top Button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-brutal);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-5px);
}

/* Script for Burger Menu and Scroll Animations */
document.addEventListener('DOMContentLoaded', function() {
  const burgerMenu = document.querySelector('.burger-menu');
  const mainNav = document.querySelector('.main-nav');
  
  if (burgerMenu) {
    burgerMenu.addEventListener('click', function() {
      mainNav.classList.toggle('active');
      
      const spans = burgerMenu.querySelectorAll('span');
      if (mainNav.classList.contains('active')) {
        spans[0].style.transform = 'rotate(45deg) translate(5px, 5px)';
        spans[1].style.opacity = '0';
        spans[2].style.transform = 'rotate(-45deg) translate(7px, -6px)';
      } else {
        spans[0].style.transform = 'none';
        spans[1].style.opacity = '1';
        spans[2].style.transform = 'none';
      }
    });
  }
  
  // Scroll animations
  const observerOptions = {
    root: null,
    rootMargin: '0px',
    threshold: 0.1
  };
  
  const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
      if (entry.isIntersecting) {
        entry.target.classList.add('visible');
      }
    });
  }, observerOptions);
  
  const fadeElements = document.querySelectorAll('.fade-in, .process-step');
  fadeElements.forEach(el => {
    observer.observe(el);
  });
  
  // Scroll to top button
  const scrollTop = document.createElement('div');
  scrollTop.className = 'scroll-top';
  scrollTop.innerHTML = '↑';
  document.body.appendChild(scrollTop);
  
  scrollTop.addEventListener('click', () => {
    window.scrollTo({
      top: 0,
      behavior: 'smooth'
    });
  });
  
  window.addEventListener('scroll', () => {
    if (window.pageYOffset > 300) {
      scrollTop.classList.add('visible');
    } else {
      scrollTop.classList.remove('visible');
    }
  });
});