:root {
  /* Монохромная цветовая схема */
  --color-primary: #ffcc00;
  --color-primary-dark: #e6b800;
  --color-primary-light: #ffd633;
  --color-primary-transparent: rgba(255, 204, 0, 0.8);

  --color-secondary: #333333;
  --color-secondary-dark: #1a1a1a;
  --color-secondary-light: #4d4d4d;
  --color-secondary-transparent: rgba(51, 51, 51, 0.8);

  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-inverse: #ffffff;
  --color-text-accent: #ffcc00;

  --color-background: #ffffff;
  --color-background-alt: #f5f5f5;
  --color-background-dark: #222222;
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  --border-radius: 2px;
  --transition-speed: 0.3s;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);

  --container-width: 1200px;
  --container-padding: 20px;
  
  --grid-gap: 30px;
  --grid-gap-small: 15px;
}

/* Base Styles */
* {
  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-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-secondary);
}

h1 {
  font-size: 3.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: 20px;
}

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

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

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

ul {
  list-style: none;
}

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

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  text-transform: uppercase;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -15px;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--color-primary);
}

/* Buttons */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--color-primary);
  color: var(--color-secondary-dark);
  font-weight: 600;
  border: 2px solid var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-speed);
  text-align: center;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--border-radius);
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-hover);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
}

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

.btn-project,
.btn-resource {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 5px;
  display: inline-block;
}

.btn-project::after,
.btn-resource::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-speed);
}

.btn-project:hover::after,
.btn-resource:hover::after {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-background);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.header.scrolled {
  background-color: var(--color-secondary-dark);
}

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

.logo {
  z-index: 1001;
}

.logo img {
  max-height: 50px;
  width: auto;
}

.nav-desktop ul {
  display: flex;
}

.nav-desktop ul li {
  margin-left: 30px;
}

.nav-desktop ul li a {
  color: var(--color-text);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  position: relative;
}

.header.scrolled .nav-desktop ul li a {
  color: var(--color-text-inverse);
}

.nav-desktop ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-speed);
}

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.burger-menu span {
  display: block;
  height: 3px;
  background-color: var(--color-secondary);
  transition: all 0.3s ease;
}

.header.scrolled .burger-menu span {
  background-color: var(--color-text-inverse);
}

.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 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-secondary-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
  z-index: 1000;
}

.nav-mobile.active {
  opacity: 1;
  visibility: visible;
}

.nav-mobile ul {
  text-align: center;
}

.nav-mobile ul li {
  margin: 20px 0;
}

.nav-mobile ul li a {
  color: var(--color-text-inverse);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
}

.nav-mobile ul li a:hover {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-inverse);
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
  margin-top: 80px;
}

.hero-content h1 {
  color: #FFFFFF;
  margin-bottom: 30px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: #FFFFFF;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

/* Features Section */
.features {
  padding: 100px 0;
  background-color: var(--color-background);
}

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

.feature-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-background);
  border: 3px solid var(--color-secondary);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.feature-card .card-image {
  height: 200px;
  overflow: hidden;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.feature-card .card-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.feature-card h3 {
  margin-bottom: 15px;
  color: var(--color-secondary-dark);
  font-size: 1.5rem;
}

.feature-card p {
  margin-bottom: 20px;
  color: var(--color-text);
  flex-grow: 1;
}

.toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
}

.toggle-container span {
  font-weight: 600;
  margin: 0 10px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-text-light);
  transition: .4s;
  border-radius: 30px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

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

input:checked + .slider:before {
  transform: translateX(30px);
}

.btn-modal {
  margin-top: auto;
  align-self: center;
}

/* Projects Section */
.projects {
  padding: 100px 0;
  background-color: var(--color-background-alt);
}

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

.project-card {
  background-color: var(--color-background);
  border: 3px solid var(--color-secondary);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.project-card .card-image {
  height: 250px;
  overflow: hidden;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.project-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-card .card-content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-card h3 {
  color: var(--color-secondary-dark);
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.project-card p {
  margin-bottom: 20px;
  color: var(--color-text);
  flex-grow: 1;
}

/* Resources Section */
.resources {
  padding: 100px 0;
  background-color: var(--color-background);
}

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

.resource-card {
  background-color: var(--color-background);
  border: 3px solid var(--color-secondary);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.resource-card .card-image {
  height: 200px;
  overflow: hidden;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.resource-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.resource-card .card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.resource-card h3 {
  color: var(--color-secondary-dark);
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.resource-card p {
  margin-bottom: 20px;
  color: var(--color-text);
  flex-grow: 1;
}

.btn-resource {
  margin-top: auto;
  align-self: flex-start;
}

/* Team Section */
.team {
  padding: 100px 0;
  background-color: var(--color-background-alt);
}

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

.team-card {
  background-color: var(--color-background);
  border: 3px solid var(--color-secondary);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.team-card .card-image {
  height: 250px;
  overflow: hidden;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.team-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  border-radius: 0;
}

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

.team-card .card-content {
  padding: 25px;
  text-align: center;
}

.team-card h3 {
  color: var(--color-secondary-dark);
  margin-bottom: 5px;
  font-size: 1.4rem;
}

.team-card .position {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 15px;
  font-style: italic;
}

.team-card p {
  color: var(--color-text);
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background-color: var(--color-background);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--grid-gap);
}

.contact-info {
  padding: 30px;
  background-color: var(--color-background-alt);
  border: 3px solid var(--color-secondary);
}

.contact-info h3 {
  color: var(--color-secondary-dark);
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.contact-details {
  margin-top: 30px;
}

.contact-item {
  margin-bottom: 20px;
}

.contact-item strong {
  display: block;
  color: var(--color-secondary-dark);
  font-weight: 600;
  margin-bottom: 5px;
}

.contact-form {
  padding: 30px;
  background-color: var(--color-background);
  border: 3px solid var(--color-secondary);
}

.contact-form h3 {
  color: var(--color-secondary-dark);
  margin-bottom: 30px;
  font-size: 1.8rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-secondary-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--color-secondary-light);
  background-color: var(--color-background);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

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

.btn-submit {
  width: 100%;
  margin-top: 10px;
}

/* Footer */
.footer {
  background-color: var(--color-secondary-dark);
  color: var(--color-text-inverse);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--grid-gap);
  margin-bottom: 50px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  max-width: 180px;
  margin-bottom: 20px;
}

.footer-logo p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer h3 {
  color: var(--color-text-inverse);
  margin-bottom: 25px;
  font-size: 1.3rem;
  position: relative;
}

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

.footer-links ul li,
.footer-legal ul li,
.footer-social ul li {
  margin-bottom: 15px;
}

.footer-links ul li a,
.footer-legal ul li a,
.footer-social ul li a {
  color: var(--color-text-inverse);
  opacity: 0.8;
  transition: opacity var(--transition-speed), color var(--transition-speed);
}

.footer-links ul li a:hover,
.footer-legal ul li a:hover,
.footer-social ul li a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.footer-social ul li a {
  font-weight: 600;
  display: flex;
  align-items: center;
}

.footer-social ul li a::before {
  content: '→ ';
  margin-right: 5px;
  transition: transform var(--transition-speed);
}

.footer-social ul li a:hover::before {
  transform: translateX(5px);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 0;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-content {
  background-color: var(--color-background);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  border: 3px solid var(--color-secondary);
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  color: var(--color-secondary);
  transition: color var(--transition-speed);
}

.close-modal:hover {
  color: var(--color-primary);
}

.modal-content h2 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-secondary-dark);
}

.modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

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

.modal-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  margin-bottom: 15px;
}

.modal-item h4 {
  margin-bottom: 10px;
  color: var(--color-secondary-dark);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 50px 20px;
  background-color: var(--color-background);
}

.success-content {
  max-width: 600px;
  background-color: var(--color-background);
  padding: 50px;
  border: 3px solid var(--color-secondary);
  animation: fadeInUp 1s ease;
}

.success-content h1 {
  color: var(--color-secondary-dark);
  margin-bottom: 20px;
}

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

.success-icon {
  font-size: 80px;
  color: var(--color-primary);
  margin-bottom: 30px;
}

/* Privacy & Terms Pages */
.page-content {
  padding: 150px 0 80px;
}

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

.page-content h2 {
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--color-secondary-dark);
}

.page-content p {
  margin-bottom: 20px;
}

.page-content ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

.page-content ul li {
  list-style-type: disc;
  margin-bottom: 10px;
}

/* AOS Customization */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

/* Cookie Consent Styles */
#cookieConsent {
  background-color: rgba(0, 0, 0, 0.85) !important;
  color: white !important;
  padding: 20px !important;
  text-align: center !important;
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 9999 !important;
}

#cookieConsent p {
  margin: 0 0 10px 0 !important;
}

#acceptCookies {
  background: var(--color-primary) !important;
  color: var(--color-secondary-dark) !important;
  border: none !important;
  padding: 8px 20px !important;
  margin-top: 10px !important;
  cursor: pointer !important;
  font-weight: bold !important;
  transition: background-color 0.3s ease !important;
}

#acceptCookies:hover {
  background-color: var(--color-primary-dark) !important;
}

/* Media Queries */
@media (max-width: 1200px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .hero-content {
    max-width: 700px;
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid,
  .resources-grid,
  .team-grid,
  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .feature-card,
  .project-card,
  .resource-card,
  .team-card {
    margin-bottom: 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-social ul li a {
    justify-content: center;
  }
  
  .modal-content {
    padding: 30px 20px;
  }
  
  .modal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.6rem;
  }
  
  h3 {
    font-size: 1.4rem;
  }
  
  .section-title {
    margin-bottom: 40px;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .contact-info,
  .contact-form {
    padding: 20px;
  }
}

/* Animation Classes */
.parallax {
  transform: translateZ(0);
  transition: transform 0.3s ease;
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

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

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: fadeInLeft 1s forwards;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  animation: fadeInRight 1s forwards;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}