:root {
  /* Основные цвета */
  --primary-color: #3a6ea5;
  --primary-dark: #2a527a;
  --primary-light: #4b8bd0;
  --secondary-color: #ff6b6b;
  --secondary-dark: #e05858;
  --secondary-light: #ff8c8c;
  
  /* Нейтральные цвета */
  --neutral-100: #ffffff;
  --neutral-200: #f7f9fc;
  --neutral-300: #e9ecf2;
  --neutral-400: #d0d5dd;
  --neutral-500: #9da4b4;
  --neutral-600: #6b7280;
  --neutral-700: #4b5563;
  --neutral-800: #2c3646;
  --neutral-900: #1f2937;
  
  /* Цвета статусов */
  --success: #34d399;
  --warning: #fbbf24;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 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;
  
  /* Размеры */
  --header-height: 80px;
  --container-width: 1200px;
  --container-padding: 2rem;
  --section-spacing: 5rem;
  --card-border-radius: 8px;
  --button-border-radius: 4px;
  
  /* Тени */
  --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);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: var(--neutral-200);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--neutral-900);
}

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

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

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

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

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

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

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, ol {
  list-style-position: inside;
  margin-bottom: 1.5rem;
}

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

section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--neutral-600);
  font-size: var(--font-size-lg);
}

/* Кнопки и формы */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: var(--font-size-base);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--button-border-radius);
  transition: all var(--transition-normal);
  border: none;
  box-shadow: var(--shadow-sm);
}

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

.primary-btn:hover {
  background-color: var(--primary-dark);
  color: var(--neutral-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

input, select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: 'Open Sans', sans-serif;
  font-size: var(--font-size-base);
  border: 1px solid var(--neutral-400);
  border-radius: var(--button-border-radius);
  background-color: var(--neutral-100);
  transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(58, 110, 165, 0.2);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--neutral-700);
}

.form-group {
  margin-bottom: 1.5rem;
}

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

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

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

.logo {
  display: flex;
  align-items: center;
}

.logo h1 {
  font-size: var(--font-size-2xl);
  margin: 0;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.logo a {
  text-decoration: none;
}

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

.main-nav .nav-list li {
  margin-left: 1.5rem;
}

.main-nav .nav-list a {
  color: var(--neutral-700);
  font-weight: 600;
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
  position: relative;
}

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

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

.main-nav .nav-list a:hover::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;
  height: 3px;
  background-color: var(--neutral-800);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 0;
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height));
  min-height: 500px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--neutral-100);
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-content h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: 1.5rem;
  color: var(--neutral-100);
}

.hero-content p {
  font-size: var(--font-size-xl);
  margin-bottom: 2rem;
  color: var(--neutral-100);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

/* About Section */
.about {
  background-color: var(--neutral-100);
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.about-text {
  flex: 1 1 60%;
}

.about-image {
  flex: 1 1 30%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image img {
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

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

.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 2rem;
}

.stat-widget {
  flex: 1 1 30%;
  text-align: center;
  padding: 1.5rem;
  background-color: var(--neutral-200);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stat-widget:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-widget h4 {
  font-size: var(--font-size-3xl);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-widget p {
  color: var(--neutral-600);
  margin-bottom: 0;
}

/* Success Stories Section */
.success-stories {
  background-color: var(--neutral-200);
}

.stories-slider {
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.story-card {
  display: flex;
  flex-direction: column;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  margin: 0 1rem;
}

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

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

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: 0.5rem;
  color: var(--neutral-800);
}

.card-content .industry {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-content .results {
  font-weight: 600;
  color: var(--success);
  margin-top: 1rem;
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.prev-btn, .next-btn {
  background-color: var(--neutral-100);
  color: var(--primary-color);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
  background-color: var(--primary-color);
  color: var(--neutral-100);
  box-shadow: var(--shadow-md);
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
}

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

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

/* Vision Section */
.vision {
  background-color: var(--neutral-100);
}

.vision-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.vision-image {
  flex: 1 1 30%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.vision-text {
  flex: 1 1 60%;
}

.vision-image img {
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

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

.vision-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.pillar {
  flex: 1 1 30%;
  padding: 1.5rem;
  background-color: var(--neutral-200);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.pillar h4 {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.pillar p {
  margin-bottom: 0;
}

/* Press Section */
.press {
  background-color: var(--neutral-200);
}

.press-mentions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.press-item {
  flex: 1 1 30%;
  min-width: 250px;
  max-width: 350px;
  text-align: center;
  padding: 1.5rem;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.press-item img {
  max-width: 150px;
  margin: 0 auto 1.5rem;
}

.press-item p {
  font-style: italic;
  color: var(--neutral-700);
  margin-bottom: 0;
}

.external-resources {
  padding: 3rem;
  background-color: var(--neutral-300);
  border-radius: var(--card-border-radius);
}

.external-resources h3 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.resources-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.resource-card {
  flex: 1 1 30%;
  min-width: 250px;
  padding: 1.5rem;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: center;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  background-color: var(--primary-light);
  color: var(--neutral-100);
}

.resource-card:hover h4 {
  color: var(--neutral-100);
}

.resource-card h4 {
  color: var(--primary-color);
  transition: color var(--transition-normal);
}

.resource-card p {
  margin-bottom: 0;
}

/* News Section */
.news {
  background-color: var(--neutral-100);
}

.news-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.news-card {
  flex: 1 1 calc(33.333% - 2rem);
  min-width: 280px;
  display: flex;
  flex-direction: column;
  background-color: var(--neutral-200);
  border-radius: var(--card-border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.news-card .card-image {
  height: 200px;
}

.news-card .date {
  display: block;
  color: var(--neutral-600);
  font-size: var(--font-size-sm);
  margin-bottom: 0.5rem;
}

.news-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: 1rem;
}

.read-more {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  position: relative;
  padding-right: 1.5rem;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  padding-right: 2rem;
}

.read-more:hover::after {
  transform: translate(10px, -50%);
}

/* Contact Section */
.contact {
  background-color: var(--neutral-200);
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.contact-form-container {
  flex: 1 1 60%;
}

.contact-form {
  background-color: var(--neutral-100);
  padding: 2rem;
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-md);
}

.contact-info {
  flex: 1 1 30%;
}

.info-item {
  margin-bottom: 2rem;
}

.info-item h3 {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.social-links h3 {
  margin-bottom: 1rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  color: var(--neutral-700);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.social-icons a:hover {
  color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--neutral-800);
  color: var(--neutral-300);
  padding: 4rem 0 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  flex: 1 1 100%;
  max-width: 300px;
}

.footer-logo h2 {
  color: var(--neutral-100);
  font-size: var(--font-size-3xl);
  margin-bottom: 0.5rem;
}

.footer-links {
  flex: 1 1 60%;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.links-column {
  flex: 1 1 calc(25% - 2rem);
  min-width: 150px;
}

.links-column h3 {
  color: var(--neutral-100);
  font-size: var(--font-size-lg);
  margin-bottom: 1.5rem;
}

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

.links-column ul li {
  margin-bottom: 0.5rem;
}

.links-column ul a {
  color: var(--neutral-400);
  transition: color var(--transition-fast);
}

.links-column ul a:hover {
  color: var(--neutral-100);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--neutral-700);
}

.footer-bottom p {
  margin: 0;
  color: var(--neutral-500);
}

/* Страницы Terms и Privacy */
.terms-page, .privacy-page {
  padding-top: 120px;
  padding-bottom: 5rem;
}

.terms-page .container, .privacy-page .container {
  max-width: 800px;
}

.terms-page h1, .privacy-page h1 {
  margin-bottom: 2rem;
}

.terms-page p, .privacy-page p {
  margin-bottom: 1.5rem;
}

/* Success Page */
.success-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

.success-content {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--neutral-100);
  border-radius: var(--card-border-radius);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: 1.5rem;
}

.success-page h1 {
  margin-bottom: 1.5rem;
}

.success-page p {
  margin-bottom: 2rem;
}

/* Медиа-запросы */
@media (max-width: 992px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --container-padding: 1.5rem;
  }
  
  .about-content, .vision-content {
    flex-direction: column;
  }
  
  .about-image, .vision-image {
    width: 100%;
    margin-bottom: 2rem;
    order: -1;
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.75rem;
    --header-height: 70px;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--neutral-100);
    overflow: hidden;
    transition: height var(--transition-normal);
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.active {
    height: calc(100vh - var(--header-height));
  }
  
  .main-nav .nav-list {
    flex-direction: column;
    padding: 2rem;
  }
  
  .main-nav .nav-list li {
    margin: 0;
    margin-bottom: 1.5rem;
  }
  
  .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 {
    height: auto;
    padding: 4rem 0;
  }
  
  .hero-content h1 {
    font-size: var(--font-size-4xl);
  }
  
  .hero-content p {
    font-size: var(--font-size-lg);
  }
  
  .stat-widget {
    flex: 1 1 100%;
    margin-bottom: 1rem;
  }
  
  .pillar {
    flex: 1 1 100%;
  }
  
  .footer-logo, .links-column {
    flex: 1 1 100%;
  }
}

@media (max-width: 576px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.5rem;
    --container-padding: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .press-item, .resource-card {
    flex: 1 1 100%;
  }
}

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

.fade-in {
  animation: fadeIn var(--transition-normal);
}

/* Дополнительные стили */
.is-two-thirds {
  flex: 2;
}

.text-center {
  text-align: center;
}

/* Глассморфизм */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Cookie Consent */
#cookie-consent {
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 15px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  text-align: center;
}

#cookie-consent p {
  margin-bottom: 10px;
}

#accept-cookies {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

#accept-cookies:hover {
  background-color: var(--primary-dark);
}

textarea {
  resize: none;
}