:root {
  /* Основная цветовая схема */
  --primary-color: #2a9d8f;
  --primary-dark: #217a6f;
  --primary-light: #8ee1d7;
  
  --secondary-color: #e76f51;
  --secondary-dark: #c1573e;
  --secondary-light: #f9c5b8;
  
  --accent-color: #e9c46a;
  --accent-dark: #d4a730;
  --accent-light: #f6e9c0;
  
  /* Градиентные цвета */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  
  /* Нейтральные цвета */
  --dark: #264653;
  --dark-80: rgba(38, 70, 83, 0.8);
  --light: #f8f9fa;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Тени и эффекты */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --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, 0.15);
  
  /* Радиусы */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 2rem;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Размеры контейнеров */
  --container-max-width: 1200px;
  --header-height: 80px;
  --footer-padding: 4rem;
  
  /* Шрифты */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--light);
  overflow-x: hidden;
}

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

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1.5rem;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Styles */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.divider {
  height: 4px;
  width: 60px;
  background: var(--gradient-secondary);
  margin: 0 auto 1.5rem;
  border-radius: var(--radius-sm);
}

/* Columns Layout */
.columns {
  display: flex;
  flex-wrap: wrap;
  margin: -1rem;
}

.column {
  padding: 1rem;
  flex-grow: 1;
}

.is-one-third {
  width: 33.333%;
}

.is-two-thirds {
  width: 66.667%;
}

.is-half {
  width: 50%;
}

.is-full {
  width: 100%;
}

/* Buttons */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
  line-height: 1.5;
}

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

.btn.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn.secondary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn.tertiary:hover {
  background-color: rgba(42, 157, 143, 0.1);
  transform: translateY(-2px);
  text-decoration: none;
}

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

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

.logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo h1 {
  font-size: 1.5rem;
  margin: 0;
  color: var(--primary-color);
}

.desktop-menu ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.desktop-menu a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
  padding: 0.5rem 0;
  position: relative;
}

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

.desktop-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  cursor: pointer;
}

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

.mobile-menu-toggle span.active:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle span.active:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle span.active:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
  display: block;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: white;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  transform: translateY(-100%);
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

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

.mobile-menu li {
  padding: 0.5rem 2rem;
}

.mobile-menu a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  display: block;
  padding: 0.5rem 0;
  transition: color var(--transition-normal);
}

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

/* Hero Section */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: white;
  text-align: center;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero-content {
  max-width: 800px;
  padding: 2rem;
  position: relative;
  z-index: 2;
  margin-left: auto;
  margin-right: auto;
}

.hero-content h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

/* About Section */
#about {
  background-color: var(--light);
}

.image-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.eco-values {
  margin-top: 4rem;
}

.progress-container {
  background: var(--gray-100);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.progress-item {
  margin-bottom: 1.5rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.progress-bar {
  height: 12px;
  background-color: var(--gray-300);
  border-radius: 6px;
  overflow: hidden;
}

.progress-filled {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 6px;
  transition: width 1s ease-in-out;
}

/* Services Section */
#services {
  background-color: var(--gray-100);
}

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

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

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

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

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

.card:hover .card-image img {
  transform: scale(1.1);
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
  text-align: center;
}

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

.card-content p {
  color: var(--gray-700);
  margin-bottom: 1.5rem;
}

.date {
  display: block;
  margin-bottom: 1rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* Case Studies Section */
#case-studies {
  background-color: var(--light);
}

.case-studies-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

/* Resources Section */
#resources {
  background-color: var(--gray-100);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.resource-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

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

.resource-link {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-normal);
}

.resource-link:hover {
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
}

/* News Section */
#news {
  background-color: var(--light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

/* Awards Section */
#awards {
  background: var(--gray-100);
}

.awards-container {
  max-width: 900px;
  margin: 0 auto;
}

.award-item {
  display: flex;
  align-items: center;
  margin-bottom: 3rem;
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.award-icon {
  flex: 0 0 150px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 2rem;
}

.award-icon img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.award-content {
  flex: 1;
}

.award-content h3 {
  margin-bottom: 0.5rem;
}

/* Behind the Scenes Section */
#behind-scenes {
  background-color: var(--light);
}

.behind-scenes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.scene-item {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.scene-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

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

.scene-item:hover .scene-image img {
  transform: scale(1.1);
}

.scene-content {
  padding: 2rem;
  text-align: center;
}

.scene-content h3 {
  margin-bottom: 1rem;
}

/* Contact Section */
#contact {
  background: var(--light);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  background: white;
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info {
  padding-right: 2rem;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info ul {
  list-style: none;
  margin-bottom: 2rem;
}

.contact-info li {
  margin-bottom: 1rem;
}

.contact-hours {
  margin-top: 2rem;
}

.contact-hours h4 {
  margin-bottom: 0.5rem;
}

.contact-form-container h3 {
  margin-bottom: 1.5rem;
}

.contact-form {
  display: grid;
  gap: 1.5rem;
}

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

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
}

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

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

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
  background-color: var(--gray-300);
  border-radius: 12px;
  transition: background-color var(--transition-normal);
  margin-right: 10px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

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

.toggle input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

.toggle-label {
  color: var(--gray-700);
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: var(--footer-padding) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo h2 {
  color: white;
  margin-bottom: 1rem;
}

.footer-logo p {
  color: var(--gray-400);
}

.footer-links h3 {
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-links h3:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: white;
  text-decoration: none;
}

.footer-contact h3 {
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-contact h3:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
}

.footer-contact p {
  color: var(--gray-400);
  margin-bottom: 0.75rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  color: var(--gray-400);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.social-links a:hover {
  color: white;
  background: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

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

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

/* Privacy and Terms Pages */
.privacy-content,
.terms-content {
  padding-top: 100px;
}

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

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

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

/* Media Queries */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-info {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--gray-300);
    padding-bottom: 2rem;
  }
  
  .award-item {
    flex-direction: column;
    text-align: center;
  }
  
  .award-icon {
    margin-right: 0;
    margin-bottom: 1.5rem;
  }
  
  .columns {
    flex-direction: column;
  }
  
  .column.is-one-third,
  .column.is-two-thirds,
  .column.is-half {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .desktop-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-links h3:after,
  .footer-contact h3:after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .btn, 
  button, 
  input[type="submit"] {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .section {
    padding: 3rem 0;
  }
}

section {
  overflow-x: hidden;
}

footer h3 {
  color: #fff;
}