/* Variables */
:root {
  /* Нейтральная цветовая схема */
  --color-primary: #a87c4f;
  --color-primary-dark: #8b6540;
  --color-secondary: #556b2f;
  --color-secondary-dark: #445524;
  --color-accent: #d2691e;
  --color-accent-light: #e67e22;
  --color-accent-dark: #b25819;
  
  /* Нейтральные цвета */
  --color-dark: #333333;
  --color-dark-medium: #555555;
  --color-medium: #777777;
  --color-light-medium: #999999;
  --color-light: #eeeeee;
  --color-white: #ffffff;
  
  /* Фоновые цвета */
  --bg-primary: #f8f5f2;
  --bg-secondary: #eae5e0;
  --bg-accent: #f9e8d7;
  --bg-dark: #222222;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  
  /* Скругления */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Анимации */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Типографика */
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Lato', sans-serif;
  
  /* Размеры */
  --header-height: 80px;
  --footer-height: 300px;
  --container-width: 1200px;
  
  /* Отступы */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

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

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

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

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

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

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  position: relative;
  color: var(--color-dark);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: -20px auto var(--spacing-xxl);
  color: var(--color-medium);
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm), 0 4px 0 0 var(--color-primary-dark);
  position: relative;
  top: 0;
}

.btn:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md), 0 4px 0 0 var(--color-primary-dark);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn:active {
  box-shadow: var(--shadow-sm);
  transform: translateY(2px);
}

.btn-primary {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-sm), 0 4px 0 0 var(--color-primary-dark);
}

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

.btn-secondary {
  background-color: var(--color-secondary);
  box-shadow: var(--shadow-sm), 0 4px 0 0 var(--color-secondary-dark);
}

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

.btn-accent {
  background-color: var(--color-accent);
  box-shadow: var(--shadow-sm), 0 4px 0 0 var(--color-accent-dark);
}

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

/* Форма */
input, textarea, select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--bg-secondary);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
  margin-bottom: var(--spacing-md);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
}

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

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

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

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

.nav-menu a {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-dark);
  font-weight: 500;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-medium);
}

.nav-menu 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: 2px;
  width: 100%;
  background-color: var(--color-dark);
  transition: all var(--transition-medium);
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-xxxl)) 0 var(--spacing-xxxl);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
  z-index: 1;
}

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

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInDown 1s ease-out;
}

.hero-content h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  opacity: 0.9;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out 0.2s forwards;
  opacity: 0;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeIn 1s ease-out 0.4s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.6s forwards;
  opacity: 0;
}

.progress-indicator {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  transition: all var(--transition-medium);
}

.progress-dot.active {
  background-color: var(--color-white);
  transform: scale(1.2);
}

/* Services Section */
.services {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

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

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

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

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

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

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

.card-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.card-content p {
  color: var(--color-dark-medium);
  margin-bottom: var(--spacing-md);
}

/* Pricing Section */
.pricing {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-secondary);
}

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

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

.pricing-card.featured {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-primary);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 8px 16px;
  border-bottom-left-radius: var(--radius-md);
  font-weight: 500;
}

.pricing-header {
  padding: var(--spacing-xl);
  background-color: var(--bg-accent);
  text-align: center;
}

.pricing-header h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-medium);
}

.pricing-features {
  padding: var(--spacing-xl);
  flex-grow: 1;
}

.pricing-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--bg-secondary);
  position: relative;
  padding-left: 30px;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-footer {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  text-align: center;
}

/* Resources Section */
.resources {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

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

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

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

.resource-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.resource-card p {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-medium);
}

.resource-card a {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.resource-card a:hover {
  background-color: var(--color-primary-dark);
}

/* News Section */
.news {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-secondary);
}

.news-carousel {
  position: relative;
  overflow: hidden;
}

.carousel-container {
  display: flex;
  transition: transform var(--transition-medium);
}

.carousel-slide {
  min-width: 100%;
  padding: 0 var(--spacing-md);
}

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

.news-card .card-content {
  padding: var(--spacing-xl);
  text-align: left;
  width: 100%;
  align-items: flex-start;
}

.news-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.news-card .date {
  font-size: 0.9rem;
  color: var(--color-medium);
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding-right: 20px;
}

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

.read-more:hover {
  color: var(--color-primary-dark);
}

.read-more:hover::after {
  transform: translate(5px, -50%);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
  gap: var(--spacing-md);
}

.carousel-prev,
.carousel-next {
  background-color: transparent;
  border: none;
  color: var(--color-dark);
  font-size: 1rem;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.carousel-prev:hover,
.carousel-next:hover {
  background-color: var(--bg-accent);
}

.carousel-dots {
  display: flex;
  gap: var(--spacing-sm);
}

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

.dot.active {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* Sustainability Section */
.sustainability {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

.sustainability-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

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

.sustainability-image img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-medium);
}

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

.sustainability-text {
  color: var(--color-dark-medium);
}

.sustainability-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.pillar {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

.pillar h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.sustainability-goals {
  background-color: var(--bg-accent);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xl);
}

.sustainability-goals h3 {
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.sustainability-goals ul {
  list-style-type: none;
  padding-left: 0;
}

.sustainability-goals li {
  position: relative;
  padding-left: 25px;
  margin-bottom: var(--spacing-sm);
}

.sustainability-goals li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-secondary);
}

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

.testimonials-carousel .carousel-slide {
  display: flex;
  justify-content: center;
}

.testimonial-text {
  position: relative;
  padding: var(--spacing-xl);
  background-color: var(--bg-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.testimonial-text::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--bg-accent);
  transform-origin: center;
  transform: translateX(-50%) rotate(45deg);
}

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

.testimonial-author h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.testimonial-author p {
  color: var(--color-medium);
  font-style: italic;
}

/* Success Stories Section */
.success-stories {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

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

/* Research Section */
.research {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-secondary);
}

.research-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xxl);
}

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

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

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

.paper-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

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

.paper-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  text-align: center;
}

.paper-content h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.download-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  padding: 8px 16px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.download-link:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* Contact Section */
.contact {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
}

.contact-info h3,
.contact-form-container h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-xl);
}

.contact-info li {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  color: var(--color-dark-medium);
}

.contact-info i {
  margin-right: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1.2rem;
}

.contact-map {
  margin-bottom: var(--spacing-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.office-hours h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.office-hours p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark-medium);
}

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

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--color-light);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxl);
}

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

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

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

.footer-column h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  font-size: 1.2rem;
}

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

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

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

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

.social-links a {
  display: inline-block;
  margin-right: var(--spacing-md);
  color: var(--color-light-medium);
  transition: color var(--transition-fast);
  text-decoration: none;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-light-medium);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xxxl) 0;
  background-color: var(--bg-primary);
}

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

.success-title {
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.success-message {
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  color: var(--color-dark-medium);
}

/* Privacy & Terms Pages */
.page-content {
  padding: calc(var(--header-height) + var(--spacing-xxxl)) 0 var(--spacing-xxxl);
  background-color: var(--bg-primary);
}

.page-content .container {
  background-color: var(--color-white);
  padding: var(--spacing-xxl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-title {
  margin-bottom: var(--spacing-xl);
  color: var(--color-dark);
}

.page-section {
  margin-bottom: var(--spacing-xxl);
}

.page-section h2 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
  }
  
  .contact-content,
  .sustainability-content,
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .contact-info {
    order: 2;
  }
  
  .contact-form-container {
    order: 1;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 540px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    flex-direction: column;
    align-items: center;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    margin: var(--spacing-sm) 0;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-content h2 {
    font-size: 1.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 576px) {
  :root {
    --container-width: 100%;
    --spacing-xxxl: 48px;
    --spacing-xxl: 32px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content h2 {
    font-size: 1.2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .research-papers {
    grid-template-columns: 1fr;
  }
}

/* Cookie Consent */
#cookie-consent {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 15px;
  text-align: center;
  z-index: 9999;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

#cookie-consent p {
  margin-bottom: 10px;
  max-width: 800px;
  margin: 0 auto 10px;
}

#accept-cookies {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 10px;
  cursor: pointer;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

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

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

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

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

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.mb-5 {
  margin-bottom: var(--spacing-xxl);
}
.logo h1{
  font-size: 14px;

}
.nav-menu a{
  font-size: 12px;
}
.burger-menu{
  display: none;
}