:root {
  /* Монохромная цветовая схема */
  --primary: #1a3a6b;
  --primary-dark: #0c2547;
  --primary-light: #2a5ca0;
  --primary-lighter: #4a7dce;
  --accent: #e6bd64;
  --accent-dark: #c99d3b;
  --text-dark: #333;
  --text-medium: #555;
  --text-light: #777;
  --background: #f8f9fa;
  --white: #ffffff;
  --shadow: rgba(0, 0, 0, 0.08);
  --shadow-medium: rgba(0, 0, 0, 0.12);
  --gray-light: #f0f0f0;
  --gray: #d0d0d0;
  --gray-dark: #9e9e9e;
  
  /* Размеры */
  --container-width: 1200px;
  --padding-small: 0.5rem;
  --padding: 1rem;
  --padding-medium: 1.5rem;
  --padding-large: 2rem;
  --padding-xl: 3rem;
  --border-radius: 0.25rem;
  --border-radius-medium: 0.5rem;
  --border-radius-large: 1rem;
  
  /* Тени */
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  --box-shadow-medium: 0 8px 15px rgba(0, 0, 0, 0.08);
  --box-shadow-large: 0 12px 28px rgba(0, 0, 0, 0.12);
  
  /* Переходы */
  --transition-fast: all 0.2s ease;
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  
  /* Отзывчивые типографические размеры */
  --h1-size: clamp(2.5rem, 5vw, 3.5rem);
  --h2-size: clamp(2rem, 4vw, 2.5rem);
  --h3-size: clamp(1.5rem, 3vw, 2rem);
  --h4-size: clamp(1.25rem, 2.5vw, 1.5rem);
  --text-size: clamp(1rem, 1.5vw, 1.125rem);
  --small-text: clamp(0.875rem, 1vw, 1rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: var(--text-size);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

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

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

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

p {
  margin-bottom: 1rem;
}

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

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: 1rem;
}

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

.section-padding {
  padding-top: var(--padding-xl);
  padding-bottom: var(--padding-xl);
}

.section-title {
  text-align: center;
  margin-bottom: var(--padding-xl);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  width: 70px;
  height: 3px;
  background-color: var(--primary);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  text-align: center;
  margin-top: -1.5rem;
  margin-bottom: 2rem;
  color: var(--text-medium);
  font-style: italic;
}

/* Кнопки */
.btn {
  display: inline-block;
  background-color: var(--primary);
  color: var(--white);
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  box-shadow: var(--box-shadow);
}

.btn:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  color: var(--white);
  box-shadow: var(--box-shadow-medium);
  transform: translateY(-2px);
}

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

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

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

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

button, 
input[type='submit'] {
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 0.9rem;
  display: inline-block;
  background-color: var(--primary);
  color: var(--white);
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

button:hover,
input[type='submit']:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  box-shadow: var(--box-shadow-medium);
  transform: translateY(-2px);
}

/* Ссылка со стрелкой */
.link-arrow {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
}

.link-arrow:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

.link-arrow::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition);
}

.link-arrow:hover::after {
  margin-left: 0.8rem;
}

/* Карточки */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

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

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

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

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

.card-content {
  padding: var(--padding-medium);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-content h3 {
  margin-top: 0;
  font-size: var(--h4-size);
}

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

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

.logo img {
  max-height: 60px;
}

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

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

.desktop-nav a {
  color: var(--text-dark);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  position: relative;
}

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

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

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

.mobile-menu-toggle {
  display: none!important;
  flex-direction: column;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 30px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  background-color: var(--white);
  padding: 1rem 0;
}

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

.mobile-nav a {
  display: block;
  padding: 0.8rem 0;
  color: var(--text-dark);
  font-weight: 600;
  border-bottom: 1px solid var(--gray-light);
}

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

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding-top: 180px;
  padding-bottom: 100px;
  text-align: center;
  overflow: hidden;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--white);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Анимация частиц */
.particles-container::before,
.particles-container::after {
  content: '';
  position: absolute;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation-duration: 6s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.particles-container::before {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 15%;
  animation-name: float-particle-1;
}

.particles-container::after {
  width: 300px;
  height: 300px;
  bottom: 10%;
  right: 15%;
  animation-name: float-particle-2;
}

@keyframes float-particle-1 {
  0% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(50px, 30px);
  }
  50% {
    transform: translate(0, 60px);
  }
  75% {
    transform: translate(-50px, 30px);
  }
  100% {
    transform: translate(0, 0);
  }
}

@keyframes float-particle-2 {
  0% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-40px, -20px);
  }
  50% {
    transform: translate(0, -40px);
  }
  75% {
    transform: translate(40px, -20px);
  }
  100% {
    transform: translate(0, 0);
  }
}

/* Mission Section */
.mission {
  background-color: var(--white);
}

.mission-content {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.mission-image {
  flex: 0 0 45%;
}

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

.image-container img {
  width: 100%;
  transition: var(--transition);
}

.mission-image:hover img {
  transform: scale(1.03);
}

.mission-text {
  flex: 0 0 55%;
}

.mission-text h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

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

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

/* Services Section */
.services {
  background-color: var(--white);
}

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

/* Routes Section */
.routes {
  background-color: var(--background);
}

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

.slider-container {
  overflow: hidden;
}

.slider-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slider-item {
  min-width: 100%;
  padding: 0 1rem;
}

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

/* Rental Section */
.rental {
  background-color: var(--white);
}

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

.rental-options .card ul {
  margin: 1.5rem 0;
  padding-left: 1rem;
}

.rental-options .card ul li {
  margin-bottom: 0.5rem;
  list-style-type: disc;
}

.rental-options .card .btn {
  margin-top: auto;
}

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

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

/* Press Section */
.press {
  background-color: var(--white);
}

.press-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.press-quote {
  position: relative;
  padding: 2rem;
  background-color: var(--background);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
}

.quote-icon {
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-lighter);
  opacity: 0.2;
  font-family: Georgia, serif;
}

blockquote {
  margin: 0;
  padding: 0;
}

blockquote p {
  font-style: italic;
  font-size: 1.1rem;
}

blockquote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: bold;
  color: var(--primary);
}

.press-image {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 2rem;
}

.press-image img {
  max-width: 100%;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow-medium);
  margin: 0 auto;
}

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

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-item h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.location-map {
  margin-top: 1.5rem;
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

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

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--gray);
  border-radius: var(--border-radius);
  font-family: 'Source Sans Pro', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(26, 58, 107, 0.1);
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding-top: var(--padding-xl);
  padding-bottom: var(--padding);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}

.footer-logo img {
  margin-bottom: 1.5rem;
  max-width: 150px;
}

.footer-logo p {
  color: var(--gray-light);
  font-size: var(--small-text);
}

.footer h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links ul,
.footer-social ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-social li {
  margin-bottom: 0.8rem;
}

.footer-links a,
.footer-social a {
  color: var(--gray-light);
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover,
.footer-social a:hover {
  color: var(--white);
  transform: translateX(3px);
}

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

.footer-social a::before {
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.footer-social a[href*="facebook"]::before {
  content: "f";
  font-family: Arial, sans-serif;
  font-weight: bold;
  width: 20px;
  height: 20px;
  background-color: var(--primary-lighter);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-social a[href*="twitter"]::before {
  content: "t";
  font-family: Arial, sans-serif;
  font-weight: bold;
  width: 20px;
  height: 20px;
  background-color: var(--primary-lighter);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-social a[href*="instagram"]::before {
  content: "ig";
  font-family: Arial, sans-serif;
  font-weight: bold;
  width: 20px;
  height: 20px;
  background-color: var(--primary-lighter);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

.footer-contact p {
  margin-bottom: 0.8rem;
  color: var(--gray-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

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

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

.success-page h1 {
  margin-bottom: 1.5rem;
}

/* Terms and Privacy pages */
.terms-page,
.privacy-page {
  padding-top: 100px;
  padding-bottom: 3rem;
}

.terms-content,
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
}

.terms-content h2,
.privacy-content h2 {
  color: var(--primary);
  margin-top: 2.5rem;
}

.terms-content h3,
.privacy-content h3 {
  margin-top: 1.5rem;
}

.terms-content p,
.privacy-content p {
  margin-bottom: 1.5rem;
}

.terms-content ul,
.privacy-content ul {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

/* Адаптивность */
@media (max-width: 992px) {
  .mission-content {
    flex-direction: column;
  }
  
  .mission-image,
  .mission-text {
    flex: 0 0 100%;
  }
  
  .mission-image {
    margin-bottom: 2rem;
  }
  
  .press-content {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .slider-item {
    padding: 0;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-nav.active {
    display: block;
  }
  
  .hero {
    padding-top: 150px;
    padding-bottom: 80px;
  }
  
  .section-padding {
    padding-top: var(--padding-large);
    padding-bottom: var(--padding-large);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .card-image {
    height: 200px;
  }
}

/* Утилиты */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}