:root {
  /* Основная цветовая палитра (пастельная) */
  --primary-color: #a0d2eb;
  --primary-dark: #7fb9d9;
  --secondary-color: #f9c6ba;
  --secondary-dark: #e6a899;
  --accent-color: #ffeedd;
  --accent-dark: #f2d2c2;
  
  /* Нейтральные цвета */
  --light-bg: #f8f9fa;
  --dark-text: #333333;
  --medium-text: #666666;
  --light-text: #ffffff;
  
  /* Цвета для неоморфных эффектов */
  --shadow-light: rgba(255, 255, 255, 0.8);
  --shadow-dark: rgba(0, 0, 0, 0.1);
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  
  /* Размеры */
  --container-width: 1200px;
  --border-radius: 12px;
  --button-radius: 30px;
  
  /* Тени */
  --card-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  --card-inset-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  --button-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
  --button-pressed-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  
  /* Переходы */
  --transition-slow: 0.5s ease;
  --transition-medium: 0.3s ease;
  --transition-fast: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-text);
  background-color: var(--light-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Archivo Black', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--dark-text);
}

p {
  margin-bottom: 1.2rem;
  color: var(--medium-text);
}

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

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  color: var(--dark-text);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 15px auto 0;
  border-radius: 2px;
}

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

/* Buttons */
.btn, button, input[type='submit'] {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--button-radius);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  text-align: center;
  font-family: 'Roboto', sans-serif;
  box-shadow: var(--button-shadow);
  background: var(--light-bg);
  color: var(--dark-text);
}

.btn:hover, button:hover, input[type='submit']:hover {
  transform: translateY(-3px);
  box-shadow: 7px 7px 14px var(--shadow-dark), -7px -7px 14px var(--shadow-light);
}

.btn:active, button:active, input[type='submit']:active {
  transform: translateY(0);
  box-shadow: var(--button-pressed-shadow);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--light-text);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--dark-text);
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.9rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--light-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-medium);
}

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

.logo a {
  display: block;
  text-decoration: none;
}

.logo h1 {
  font-size: 1.8rem;
  margin: 0;
  color: var(--primary-dark);
}

.desktop-nav ul {
  display: flex;
  list-style: none;
}

.desktop-nav ul li {
  margin-left: 25px;
}

.desktop-nav ul li a {
  color: var(--dark-text);
  font-weight: 500;
  position: relative;
  padding: 5px 0;
}

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

.desktop-nav ul li 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;
  width: 100%;
  height: 3px;
  background-color: var(--dark-text);
  border-radius: 3px;
  transition: all var(--transition-medium);
}

.mobile-nav {
  display: none;
  background-color: var(--light-bg);
  padding: 20px;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

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

.mobile-nav ul li {
  margin-bottom: 15px;
}

.mobile-nav ul li a {
  color: var(--dark-text);
  font-weight: 500;
  display: block;
  padding: 5px 0;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

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

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--light-text);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--light-text);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Statistics Section */
.statistics {
  background-color: var(--light-bg);
}

.statistics-wrapper {
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  background-color: var(--light-bg);
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.statistic-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--border-radius);
  transition: transform var(--transition-medium);
}

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

.statistic-icon {
  margin-bottom: 20px;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: var(--light-bg);
  box-shadow: var(--button-shadow);
}

.counter {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

/* Portfolio Section */
.portfolio {
  background-color: var(--accent-color);
  position: relative;
  overflow: hidden;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--light-bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

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

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

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

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

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

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

.card-content {
  padding: 25px;
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-content h3 {
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.card-content p {
  margin-bottom: 25px;
}

/* Innovation Section */
.innovation {
  background-color: var(--light-bg);
}

.innovation-content {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-bottom: 50px;
}

.innovation-text {
  flex: 1;
}

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

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

.external-resources {
  margin-top: 60px;
}

.external-resources h3 {
  text-align: center;
  margin-bottom: 30px;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.resource-card {
  padding: 30px;
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-medium);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

.resource-icon {
  margin-bottom: 20px;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: var(--light-bg);
  box-shadow: var(--button-shadow);
}

.resource-card h4 {
  margin-bottom: 10px;
  color: var(--primary-dark);
}

/* Team Section */
.team {
  background-color: var(--secondary-color);
  position: relative;
  overflow: hidden;
}

.team::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--light-bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

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

/* Accolades Section */
.accolades {
  background-color: var(--light-bg);
}

.accolades-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.accolades-text {
  flex: 1;
}

.accolades-badges {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.badge {
  text-align: center;
  padding: 20px;
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-medium);
}

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

.badge img {
  margin: 0 auto 15px;
  border-radius: 50%;
}

.badge p {
  font-weight: 500;
  color: var(--primary-dark);
}

/* Sustainability Section */
.sustainability {
  background-color: var(--accent-color);
  position: relative;
  overflow: hidden;
}

.sustainability::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--light-bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.sustainability-grid {
  display: flex;
  align-items: center;
  gap: 50px;
}

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

.sustainability-text {
  flex: 1;
}

.sustainability-text h3 {
  margin-bottom: 20px;
  color: var(--dark-text);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--light-bg);
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-card {
  padding: 20px;
}

.testimonial-card .card {
  height: 100%;
}

.testimonial-quote {
  margin-bottom: 25px;
  position: relative;
  padding-left: 20px;
}

.testimonial-quote::before {
  content: """;
  position: absolute;
  top: -20px;
  left: -10px;
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.5;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--button-shadow);
}

.author-info h4 {
  margin-bottom: 5px;
}

.author-info p {
  font-size: 0.9rem;
  color: var(--medium-text);
}

/* FAQ Section */
.faq {
  background-color: var(--secondary-color);
  position: relative;
  overflow: hidden;
}

.faq::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--light-bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

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

.faq-item {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.2rem;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-dark);
  transition: transform var(--transition-medium);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 20px;
}

/* Media Section */
.media {
  background-color: var(--light-bg);
}

.media-content {
  display: flex;
  gap: 50px;
}

.media-text {
  flex: 1;
}

.media-publications {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.publication {
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--light-bg);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-medium);
}

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

.publication img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.publication h4 {
  padding: 20px 20px 10px;
  font-size: 1.2rem;
}

.publication p {
  padding: 0 20px 20px;
  font-size: 0.9rem;
  color: var(--medium-text);
}

/* Contact Section */
.contact {
  background-color: var(--accent-color);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  width: 100%;
  height: 100px;
  background: var(--light-bg);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info, .contact-form {
  padding: 30px;
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  box-shadow: var(--card-shadow);
}

.contact-info h3, .contact-form h3 {
  margin-bottom: 20px;
  text-align: center;
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.info-item img {
  width: 30px;
  height: 30px;
  margin-right: 15px;
}

.map-container {
  margin-top: 30px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--button-shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--light-bg);
  box-shadow: var(--card-inset-shadow);
  font-family: 'Roboto', sans-serif;
  transition: box-shadow var(--transition-medium);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--primary-color), var(--card-inset-shadow);
}

/* Footer */
.footer {
  background-color: var(--dark-text);
  color: var(--light-text);
  padding: 80px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 50px;
  margin-bottom: 40px;
}

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

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-column h3 {
  color: var(--light-text);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: var(--accent-color);
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--light-text);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

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

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

.success-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
  box-shadow: var(--card-shadow);
}

.success-icon svg {
  width: 50px;
  height: 50px;
  fill: var(--light-text);
}

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

.success-content h1 {
  margin-bottom: 20px;
}

.success-content p {
  margin-bottom: 30px;
}

/* Static Pages (Privacy, Terms) */
.static-page {
  padding: 180px 50px 80px;
}

.static-page h1 {
  text-align: center;
  margin-bottom: 40px;
}

.static-page h2 {
  margin-top: 40px;
  margin-bottom: 20px;
}

.static-page p, .static-page ul, .static-page ol {
  margin-bottom: 20px;
}

.static-page ul, .static-page ol {
  padding-left: 20px;
}

.static-page li {
  margin-bottom: 10px;
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
  
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .statistics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .innovation-content, .accolades-content, .sustainability-grid, .media-content {
    flex-direction: column;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-nav.active {
    display: block;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .statistics-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .accolades-badges {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

/* Animations */
[data-aos] {
  opacity: 0;
  transition: opacity 0.8s, transform 0.8s;
}

[data-aos="fade-up"] {
  transform: translateY(50px);
}

[data-aos="fade-right"] {
  transform: translateX(-50px);
}

[data-aos="fade-left"] {
  transform: translateX(50px);
}

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

/* Parallax Effect */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Dynamic Color Transitions */
@keyframes colorTransition {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.btn-primary, .section-title::after, .hero::before {
  background-size: 200% 200%;
  animation: colorTransition 10s ease infinite;
}

/* Additional Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.hide-on-mobile {
  display: block;
}

.show-on-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-on-mobile {
    display: none;
  }
  
  .show-on-mobile {
    display: block;
  }
}