:root {
  /* Основная монохромная палитра */
  --color-primary: #2D2D2D;
  --color-primary-dark: #1A1A1A;
  --color-primary-light: #4A4A4A;
  --color-secondary: #E0E0E0;
  --color-secondary-dark: #C8C8C8;
  --color-secondary-light: #F5F5F5;
  --color-accent: #AAAAAA;
  --color-accent-dark: #888888;
  --color-accent-light: #CCCCCC;
  
  /* Функциональные цвета */
  --color-error: #ff4d4d;
  --color-success: #4CAF50;
  --color-warning: #FFC107;
  --color-info: #2196F3;
  
  /* Текстовые цвета */
  --color-text-dark: #333333;
  --color-text-light: #FFFFFF;
  --color-text-muted: #757575;
  
  /* Фоновые цвета */
  --color-bg-light: #FFFFFF;
  --color-bg-off-white: #F8F8F8;
  --color-bg-dark: #222222;
  
  /* Границы и тени */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-width: 2px;
  --box-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --box-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --box-shadow-neo: 4px 4px 0 var(--color-primary);
  
  /* Типографика */
  --font-family-heading: 'Manrope', sans-serif;
  --font-family-body: 'Rubik', sans-serif;
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-md: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  /* Макет */
  --container-width: 1200px;
  --container-padding: 1.5rem;
  --section-spacing: 5rem;
  --element-spacing: 1.5rem;
  
  /* Переходы и анимации */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

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

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

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

h3 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: 1.5rem;
}

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

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

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

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

.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;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  margin: 1rem auto 0;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: -2rem auto 3rem;
  color: var(--color-text-muted);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  background-color: var(--color-bg-light);
  box-shadow: var(--box-shadow-sm);
  z-index: 1000;
  padding: 1rem 0;
}

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

.logo {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--color-primary);
  margin-right: 0.25rem;
}

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

.nav-desktop ul li {
  margin-left: 1.5rem;
}

.nav-desktop ul li a {
  font-weight: 500;
  position: relative;
}

.nav-desktop ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-medium);
}

.nav-desktop ul li a:hover::after {
  width: 100%;
}

.burger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.burger-menu span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  left: 0;
  transition: all var(--transition-medium);
}

.burger-menu span:nth-child(1) {
  top: 0;
}

.burger-menu span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.burger-menu span:nth-child(3) {
  bottom: 0;
}

.burger-menu.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.burger-menu.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-bg-light);
  box-shadow: var(--box-shadow-md);
  padding: 1rem 0;
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

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

.nav-mobile ul {
  list-style: none;
  margin: 0;
  padding: 0 var(--container-padding);
}

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

.nav-mobile ul li:last-child {
  margin-bottom: 0;
}

.nav-mobile ul li a {
  display: block;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family-heading);
  font-weight: 600;
  font-size: var(--font-size-md);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  box-shadow: var(--box-shadow-neo);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-fast);
}

.btn:hover::after {
  transform: translateX(0);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-primary-dark);
}

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

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-primary-dark);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-secondary-dark);
}

/* Forms */
input, textarea, select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family-body);
  font-size: var(--font-size-md);
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast);
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

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

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
  color: var(--color-text-light);
}

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

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

.hero-content p {
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
}

.hero-form {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-neo);
  max-width: 500px;
}

.hero-form h2 {
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-2xl);
  text-align: center;
}

/* Mission Section */
.mission {
  padding: var(--section-spacing) 0;
  background-color: var(--color-bg-light);
}

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

.mission-text {
  flex: 1;
}

.mission-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-neo);
  transition: transform var(--transition-medium);
}

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

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

/* Case Studies Section */
.case-studies {
  padding: var(--section-spacing) 0;
  background-color: var(--color-bg-off-white);
}

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

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

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

.card-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
}

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

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

.card-content {
  padding: 1.5rem;
  text-align: center;
}

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

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
}

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

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

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

.resource-card {
  background-color: var(--color-bg-off-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-neo);
  transition: transform var(--transition-medium);
  text-align: center;
}

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

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

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

.resource-link::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.resource-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Community Section */
.community {
  padding: var(--section-spacing) 0;
  background-color: var(--color-bg-off-white);
}

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

.community-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-neo);
}

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

.community-text {
  flex: 1;
}

.community-actions {
  margin-top: 2rem;
}

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

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

.sustainability-text {
  flex: 1;
}

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

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

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

/* Careers Section */
.careers {
  padding: var(--section-spacing) 0;
  background-color: var(--color-bg-off-white);
}

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

.careers-image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-neo);
}

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

.careers-text {
  flex: 1;
}

.careers-positions {
  margin-top: 2rem;
  background-color: var(--color-bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
}

.careers-positions h3 {
  margin-bottom: 1rem;
}

.careers-positions ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 0;
}

.careers-positions li {
  margin-bottom: 0.5rem;
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-form {
  background-color: var(--color-bg-off-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-neo);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.info-map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-neo);
  margin-top: auto;
}

.info-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: 4rem 0 2rem;
}

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

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

.footer-logo a {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-light);
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-logo span {
  color: var(--color-secondary);
}

.footer-links {
  flex: 2 1 600px;
  display: flex;
  justify-content: space-between;
}

.footer-column h3 {
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
  font-size: var(--font-size-lg);
}

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

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

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

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

.social-links li a {
  display: flex;
  align-items: center;
}

.social-links li a::before {
  content: '';
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

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

/* Cookie Popup */
.cookie-popup {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--color-text-light);
  padding: 1rem;
  z-index: 9999;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.cookie-content p {
  margin: 0;
  flex: 1;
}

.btn-cookie {
  background-color: var(--color-text-light);
  color: var(--color-primary);
  border: none;
  padding: 0.5rem 1.5rem;
  margin-left: 1rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

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

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

.success-content {
  max-width: 600px;
  background-color: var(--color-bg-light);
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-neo);
}

.success-icon {
  font-size: 5rem;
  color: var(--color-success);
  margin-bottom: 2rem;
}

.success-actions {
  margin-top: 2rem;
}

/* About, Privacy, Terms Pages */
.page-content {
  padding: 8rem 0 4rem;
}

.page-header {
  margin-bottom: 3rem;
  text-align: center;
}

.page-body {
  max-width: 800px;
  margin: 0 auto;
}

/* Animations */
@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Media Queries */
@media screen and (max-width: 992px) {
  :root {
    --section-spacing: 4rem;
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  .nav-desktop {
    display: none;
  }
  
  .burger-menu {
    display: block;
  }
  
  .mission-content,
  .community-content,
  .sustainability-content,
  .careers-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .mission-image,
  .community-image,
  .sustainability-image,
  .careers-image {
    order: -1;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --section-spacing: 3rem;
  }
  
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .hero {
    padding: 7rem 0 4rem;
  }
  
  .hero-content {
    text-align: center;
    margin: 0 auto;
  }
  
  .hero-form {
    margin: 0 auto;
  }
  
  .case-studies-grid,
  .resources-grid,
  .sustainability-cards {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 576px) {
  :root {
    --container-padding: 1rem;
    --section-spacing: 2.5rem;
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
  
  .btn {
    width: 100%;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .btn-cookie {
    margin: 1rem 0 0;
    width: 100%;
  }
}

@media (min-width:768px){
    .hero .container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
}

textarea {
  resize: none;
}

.about-content .history img {
  height: 400px;
  object-fit: cover;
  margin-left: auto;
  margin-right: auto;
}