:root {
  /* Основная палитра */
  --primary-color: #ff6b00;
  --primary-dark: #e05a00;
  --primary-light: #ff8c3f;
  --secondary-color: #00a0e3;
  --secondary-dark: #0080b4;
  --secondary-light: #33b5e8;
  --accent-color: #ffcc00;
  --accent-dark: #e6b800;
  --accent-light: #ffd633;
  
  /* Нейтральные цвета */
  --dark: #333333;
  --dark-80: #4d4d4d;
  --dark-60: #666666;
  --gray: #999999;
  --light-gray: #e0e0e0;
  --light: #f7f7f7;
  --white: #ffffff;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  --gradient-dark: linear-gradient(135deg, rgba(0,0,0,0.8), rgba(0,0,0,0.5));
  --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
  
  /* Типографика */
  --heading-font: 'Oswald', sans-serif;
  --body-font: 'Nunito', sans-serif;
  
  /* Тени */
  --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  --box-shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.2);
  --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  
  /* Анимации */
  --transition-fast: all 0.3s ease;
  --transition-medium: all 0.5s ease;
  --transition-slow: all 0.8s ease;
  
  /* Размеры */
  --container-width: 1280px;
  --container-padding: 2rem;
  --section-spacing: 5rem;
  --card-radius: 8px;
  --button-radius: 4px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

h1 {
  font-size: 3.5rem;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.8rem;
  margin-bottom: 2rem;
  position: relative;
}

h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h4 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

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

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

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

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

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

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  font-size: 1.2rem;
  color: var(--dark-60);
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  font-family: var(--heading-font);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--button-radius);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 160, 227, 0.3);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  box-shadow: 0 6px 20px rgba(0, 160, 227, 0.4);
  transform: translateY(-2px);
  color: var(--white);
}

button, input[type='submit'] {
  cursor: pointer;
  font-family: var(--body-font);
  transition: var(--transition-fast);
}

/* Шапка */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  transition: var(--transition-fast);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--container-padding);
}

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

.logo img {
  max-height: 60px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li {
  margin: 0 1rem;
}

.nav-list a {
  font-family: var(--heading-font);
  color: var(--dark);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

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

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

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

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

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

/* Hero секция */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 0;
  margin-top: 0;
  overflow: hidden;
}

.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;
  text-align: center;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--white);
  text-shadow: var(--text-shadow);
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--white);
  text-shadow: var(--text-shadow);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
}

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

.progress-circle {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.progress-circle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-sizing: border-box;
}

.progress-circle::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top-color: var(--accent-color);
  box-sizing: border-box;
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* О нас */
.about {
  padding: var(--section-spacing) 0;
  background-color: var(--white);
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
}

.about-image {
  flex: 1;
  min-width: 300px;
  position: relative;
}

.about-image img {
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  width: 100%;
  transition: var(--transition-medium);
}

.about-image:hover img {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.about-text {
  flex: 1;
  min-width: 300px;
}

.timeline {
  margin-top: 3rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 18px;
  height: 100%;
  width: 4px;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.timeline-item {
  padding-left: 60px;
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--primary-color);
  z-index: 1;
}

.timeline-content {
  padding: 1.5rem;
  border-radius: var(--card-radius);
  background-color: var(--light);
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
}

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

.timeline-content h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Сервисы */
.services {
  padding: var(--section-spacing) 0;
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2.5rem;
}

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

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

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

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

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

.card-content {
  padding: 1.5rem;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Исследования */
.research {
  padding: var(--section-spacing) 0;
  background-color: var(--white);
}

.research-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
  margin-bottom: 4rem;
}

.research-text {
  flex: 1;
  min-width: 300px;
}

.research-image {
  flex: 1;
  min-width: 300px;
}

.research-image img {
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  width: 100%;
}

.market-insights {
  margin-top: 4rem;
}

.market-insights h3 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.insight-card {
  background: var(--light);
  padding: 2rem;
  border-radius: var(--card-radius);
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition-medium);
}

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

.insight-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.insight-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin: 0 auto;
}

/* Внешние ресурсы */
.external-resources {
  padding: var(--section-spacing) 0;
  background-color: var(--primary-color);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.external-resources .section-title,
.external-resources .section-description {
  color: var(--white);
}

.external-resources .section-title::after {
  background: var(--white);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.resource-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: var(--card-radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition-medium);
}

.resource-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
}

.resource-card h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.resource-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;  
  overflow: hidden;
}

.resource-link {
  color: var(--accent-color);
  font-weight: 700;
  display: inline-block;
  position: relative;
  padding-right: 25px;
}

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

.resource-link:hover {
  color: var(--accent-light);
}

.resource-link:hover::after {
  right: -5px;
}

/* Устойчивое развитие */
.sustainability {
  padding: var(--section-spacing) 0;
  background-color: var(--light);
  position: relative;
}

.sustainability-intro {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: 2.5rem;
}

.sustainability-item {
  display: flex;
  background-color: var(--white);
  border-radius: var(--card-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition-medium);
}

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

.sustainability-icon {
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  min-width: 140px;
}

.sustainability-icon img {
  width: 100%;
  height: auto;
  max-width: 100px;
}

.sustainability-content {
  padding: 2rem;
  flex: 1;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--light-gray);
  border-radius: 5px;
  margin-top: 1.5rem;
  position: relative;
  overflow: hidden;
}

.progress-bar .progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 5px;
  width: 0;
  transition: width 1.5s ease-in-out;
}

.progress-bar span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--dark-60);
}

/* Клиенты */
.clientele {
  padding: var(--section-spacing) 0;
  background-color: var(--white);
}

.testimonials-slider {
  margin-bottom: 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background-color: var(--light);
  border-radius: var(--card-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition-medium);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.testimonial-content {
  margin-bottom: 1.5rem;
}

.testimonial-content p {
  font-style: italic;
  position: relative;
}

.testimonial-content p::before,
.testimonial-content p::after {
  content: '"';
  font-size: 2rem;
  color: var(--primary-color);
  line-height: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  text-align: left;
}

.author-info h4 {
  margin-bottom: 0.2rem;
}

.author-info p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--dark-60);
}

.client-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  margin-top: 2rem;
}

.logo-item {
  opacity: 0.7;
  transition: var(--transition-fast);
  width: 150px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-item:hover {
  opacity: 1;
}

.logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Медиа */
.media {
  padding: var(--section-spacing) 0;
  background-color: var(--light);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.media-item {
  background-color: var(--white);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-medium);
}

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

.media-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

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

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

.media-content {
  padding: 1.5rem;
}

.media-content h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.media-date {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--dark-60);
}

/* Карьера */
.careers {
  padding: var(--section-spacing) 0;
  background-color: var(--white);
}

.careers-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
  margin-bottom: 4rem;
}

.careers-text {
  flex: 1;
  min-width: 300px;
}

.careers-image {
  flex: 1;
  min-width: 300px;
}

.careers-image img {
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  width: 100%;
}

.job-openings h3 {
  text-align: center;
  margin-bottom: 2.5rem;
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.job-card {
  background-color: var(--light);
  border-radius: var(--card-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition-medium);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.job-card h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.job-card p {
  margin-bottom: 1.5rem;
}

/* FAQ */
.faq {
  padding: var(--section-spacing) 0;
  background-color: var(--light);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1.5rem;
  background-color: var(--white);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.faq-question h3 {
  margin-bottom: 0;
  font-size: 1.2rem;
  padding-right: 2rem;
}

.toggle-icon {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-icon::before,
.toggle-icon::after {
  content: '';
  position: absolute;
  background-color: var(--primary-color);
  transition: var(--transition-fast);
}

.toggle-icon::before {
  width: 2px;
  height: 20px;
  transform: rotate(90deg);
}

.toggle-icon::after {
  width: 20px;
  height: 2px;
}

.faq-item.active .toggle-icon::before {
  transform: rotate(0);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

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

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.info-icon {
  width: 50px;
  height: 50px;
  margin-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.info-text h3 {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.office-image {
  margin-top: 2rem;
}

.office-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.contact-form-container {
  flex: 1;
  min-width: 300px;
  background-color: var(--light);
  padding: 2.5rem;
  border-radius: var(--card-radius);
  box-shadow: var(--box-shadow);
}

.contact-form-container h3 {
  margin-bottom: 2rem;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--light-gray);
  border-radius: var(--button-radius);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.toggle-switch {
  display: flex;
  align-items: center;
}

.toggle-input {
  display: none;
}

.toggle-label {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
  background-color: var(--light-gray);
  border-radius: 30px;
  cursor: pointer;
  margin-right: 1rem;
}

.toggle-inner {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  background-color: var(--white);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.toggle-input:checked + .toggle-label {
  background-color: var(--primary-color);
}

.toggle-input:checked + .toggle-label .toggle-inner {
  transform: translateX(30px);
}

.toggle-switch-text {
  flex: 1;
  font-size: 0.95rem;
}

/* Футер */
.main-footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 5rem 0 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  flex: 1;
  min-width: 300px;
}

.footer-logo img {
  margin-bottom: 1.5rem;
  max-width: 200px;
}

.footer-logo p {
  color: var(--light-gray);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  flex: 2;
  justify-content: space-between;
}

.footer-column {
  min-width: 150px;
}

.footer-column h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

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

.footer-column li {
  margin-bottom: 0.8rem;
}

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

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

.footer-social {
  flex: 1;
  min-width: 200px;
}

.footer-social h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-social h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

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

.social-links a {
  color: var(--light-gray);
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--button-radius);
  transition: var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  text-align: center;
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--light-gray);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light);
  padding-top: 80px;
}

.success-container {
  text-align: center;
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--card-radius);
  box-shadow: var(--box-shadow);
}

.success-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 2rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 3rem;
}

.success-title {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.success-message {
  margin-bottom: 2rem;
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
  padding-bottom: var(--section-spacing);
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
}

.content-container h1 {
  margin-bottom: 2rem;
}

.content-container h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.content-container p {
  margin-bottom: 1.5rem;
}

.content-container ul {
  margin-bottom: 1.5rem;
  margin-left: 1.5rem;
}

.content-container li {
  margin-bottom: 0.5rem;
}

/* Анимации частиц */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
  animation: float 15s infinite ease-in-out;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-30px) translateX(30px);
  }
  50% {
    transform: translateY(-60px) translateX(0);
  }
  75% {
    transform: translateY(-30px) translateX(-30px);
  }
}

/* Медиа-запросы */
@media (max-width: 1200px) {
  :root {
    --container-padding: 1.5rem;
    --section-spacing: 4rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.5rem;
  }
  
  .sustainability-grid {
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  }
}

@media (max-width: 992px) {
  .main-nav {
    display: none;
  }
  
  .hamburger-menu {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .hero-content p {
    font-size: 1.2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .stats-container {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .sustainability-grid {
    grid-template-columns: 1fr;
  }
  
  .sustainability-item {
    flex-direction: column;
  }
  
  .sustainability-icon {
    width: 100%;
    min-width: 100%;
    min-height: 150px;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --section-spacing: 3rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .about-content, 
  .research-content, 
  .careers-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .about-image, 
  .research-image, 
  .careers-image {
    order: -1;
  }
  
  .media-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-slider {
    grid-template-columns: 1fr;
  }
  
  .client-logos {
    gap: 1.5rem;
  }
  
  .contact-content {
    flex-direction: column;
    gap: 3rem;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  .hero {
    min-height: 500px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .stat-item {
    width: 100%;
    margin-bottom: 2rem;
  }
  
  .timeline-item {
    padding-left: 40px;
  }
  
  .info-item {
    flex-direction: column;
  }
  
  .info-icon {
    margin-bottom: 1rem;
    margin-right: 0;
  }
}

/* Анимации при прокрутке */
[data-aos] {
  /*opacity: 0;*/
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* Стили для мобильного меню */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background-color: var(--white);
  z-index: 1001;
  transition: var(--transition-medium);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.close-menu {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 30px;
  height: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-menu::before,
.close-menu::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background-color: var(--dark);
}

.close-menu::before {
  transform: rotate(45deg);
}

.close-menu::after {
  transform: rotate(-45deg);
}

.mobile-nav {
  margin-top: 3rem;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  margin-bottom: 1rem;
}

.mobile-nav a {
  font-family: var(--heading-font);
  color: var(--dark);
  font-size: 1.2rem;
  font-weight: 500;
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--light-gray);
  text-transform: uppercase;
}

.overlay-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  /*opacity: 0;*/
  visibility: hidden;
  transition: var(--transition-fast);
}

.overlay-menu.active {
  opacity: 1;
  visibility: visible;
}

/* Стили для страницы success.html */
.success-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  background: var(--light);
}

.success-container {
  max-width: 500px;
  width: 100%;
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
}

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

.success-title {
  margin-bottom: 1rem;
  color: var(--dark);
}

.success-message {
  margin-bottom: 2rem;
  color: var(--dark-60);
}

.return-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.return-link:hover {
  color: var(--primary-dark);
}

/* Стили для уведомления о куках */
#cookie-consent {
  padding: 1rem 2rem;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
}

#cookie-consent p {
  margin: 0;
  padding-right: 1rem;
}

#cookie-consent a {
  color: var(--accent-color);
  text-decoration: underline;
}

#accept-cookies {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--button-radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

@media (max-width: 768px) {
  #cookie-consent {
    flex-direction: column;
    padding: 1rem;
  }
  
  #cookie-consent p {
    margin-bottom: 1rem;
    text-align: center;
    padding-right: 0;
  }
}