:root {
  /* Основная цветовая схема */
  --primary-color: #2c56a8;
  --primary-dark: #1e3e7c;
  --primary-light: #4978d1;
  --secondary-color: #e75c3c;
  --secondary-dark: #c23a1e;
  --secondary-light: #f27c62;
  
  /* Нейтральные цвета */
  --dark: #222222;
  --medium-dark: #555555;
  --medium: #888888;
  --light-medium: #cccccc;
  --light: #f5f5f5;
  --white: #ffffff;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 100%);
  
  /* Тени */
  --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, 0.14);
  
  /* Анимации */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Размеры контейнера */
  --container-width: 1200px;
  --container-padding: 20px;
  
  /* Скругления */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Размеры шрифта */
  --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;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', 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: 'Roboto', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

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

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

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

p {
  margin-bottom: 1.5rem;
}

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 {
  list-style: none;
}

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

/* Заголовки секций */
.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
  color: var(--dark);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-secondary);
  margin: 15px auto 0;
  border-radius: var(--radius-sm);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--medium-dark);
}

/* Кнопки */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  padding: 12px 28px;
  font-size: var(--font-size-md);
  line-height: 1.5;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: width var(--transition-medium);
  z-index: -1;
}

.btn:hover::before {
  width: 100%;
}

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

.btn-primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: var(--white);
}

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

.btn-secondary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: var(--white);
}

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

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

/* Формы */
input, textarea, select {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 20px;
  border: 1px solid var(--light-medium);
  border-radius: var(--radius-md);
  font-family: 'Lato', sans-serif;
  font-size: var(--font-size-md);
  color: var(--dark);
  transition: border-color var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(44, 86, 168, 0.15);
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--medium-dark);
}

button, input[type='submit'] {
  cursor: pointer;
  transition: all var(--transition-medium);
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

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

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

.desktop-nav ul {
  display: flex;
  gap: 30px;
}

.desktop-nav a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-medium);
}

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

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

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

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  padding: 20px;
  z-index: 999;
  transform: translateY(-100%);
  transition: transform var(--transition-medium);
}

.mobile-menu.active {
  transform: translateY(0);
  display: block;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.mobile-menu a {
  color: var(--dark);
  font-weight: 500;
  font-size: var(--font-size-lg);
  display: block;
  padding: 10px 0;
}

.mobile-menu a:hover {
  color: var(--primary-color);
}

/* Hero секция */
.hero {
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
  background-color: var(--primary-dark);
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-4xl);
}

.hero-content p {
  color: var(--white);
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Частицы */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  overflow: hidden;
}

/* Services секция */
.services {
  padding: 100px 0;
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

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

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

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

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

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

.card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--light-medium);
  border-radius: 4px;
  margin-top: auto;
  overflow: hidden;
  position: relative;
}

.progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.progress-bar span {
  display: block;
  text-align: right;
  font-size: var(--font-size-sm);
  color: var(--medium-dark);
  margin-top: 5px;
}

/* Accolades секция */
.accolades {
  padding: 100px 0;
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.accolades::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 86, 168, 0.05) 0%, rgba(231, 92, 60, 0.05) 100%);
  z-index: 1;
}

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

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.accolade-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

.accolade-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accolade-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.accolade-item h3 {
  color: var(--secondary-color);
  font-size: var(--font-size-3xl);
  margin-bottom: 10px;
}

.accolade-item p {
  color: var(--medium-dark);
  margin-bottom: 0;
}

/* Team секция */
.team {
  padding: 100px 0;
  background-color: var(--white);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.team-position {
  color: var(--secondary-color);
  font-weight: 500;
  margin-bottom: 15px;
}

/* External Resources секция */
.external-resources {
  padding: 100px 0;
  background-color: var(--light);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.resource-item {
  background-color: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.resource-item h3 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.resource-item ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.resource-item a {
  color: var(--medium-dark);
  transition: color var(--transition-fast);
  display: inline-block;
  position: relative;
  padding-left: 20px;
}

.resource-item a::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-color);
  transition: transform var(--transition-fast);
}

.resource-item a:hover {
  color: var(--primary-color);
}

.resource-item a:hover::before {
  transform: translateY(-50%) translateX(5px);
}

/* Gallery секция */
.gallery {
  padding: 100px 0;
  background-color: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

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

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 15px;
  background: var(--gradient-overlay);
  color: var(--white);
  transform: translateY(100%);
  transition: transform var(--transition-medium);
}

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

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* Clientele секция */
.clientele {
  padding: 100px 0;
  background-color: var(--light);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.client-item {
  background-color: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-medium);
}

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

.client-item img {
  max-width: 200px;
  height: auto;
  margin: 0 auto 20px;
  object-fit: contain;
}

.client-item h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

/* Contact секция */
.contact {
  padding: 100px 0;
  background-color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 50px;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.contact-item {
  margin-bottom: 30px;
}

.contact-item h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-map {
  grid-column: span 2;
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.contact-form-container {
  background-color: var(--light);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.form-group {
  margin-bottom: 20px;
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
  margin-bottom: 50px;
}

.footer-logo h2 {
  color: var(--white);
  margin-bottom: 15px;
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
}

.footer-column h3 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: var(--font-size-lg);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-links a {
  color: var(--light-medium);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--light-medium);
  margin-bottom: 5px;
}

/* Cookie popup */
.cookie-popup {
  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;
  gap: 20px;
}

.cookie-content p {
  margin: 0;
  flex: 1;
}

.cookie-btn {
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px 20px;
}

.success-content {
  max-width: 600px;
  background-color: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.success-content h1 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

/* Other pages */
.page-content {
  padding: 150px 0 100px;
}

.page-content h1 {
  text-align: center;
  margin-bottom: 50px;
}

.page-content h2 {
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-content p {
  margin-bottom: 20px;
}

/* Адаптивность */
@media (max-width: 1024px) {
  :root {
    --font-size-4xl: 2.5rem;
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .cta-buttons .btn {
    width: 100%;
  }
  
  .services-grid,
  .accolades-grid,
  .team-grid,
  .gallery-grid,
  .clients-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .contact-map {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 15px;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --font-size-xl: 1.125rem;
  }
  
  .section-title {
    margin-bottom: 1.5rem;
  }
  
  .section-description {
    margin-bottom: 2rem;
  }
  
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-container {
    padding: 25px;
  }
  
  .accolade-item {
    padding: 20px;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-btn {
    width: 100%;
  }
}