:root {
  /* Монохромная палитра */
  --primary-color: #333333;
  --primary-light: #555555;
  --primary-dark: #222222;
  --secondary-color: #888888;
  --accent-color: #dddddd;
  --text-color: #333333;
  --text-light: #666666;
  --text-white: #ffffff;
  --text-dark: #222222;
  --bg-color: #f8f8f8;
  --bg-dark: #eeeeee;
  --bg-darker: #dddddd;
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-shadow: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.05);
  --overlay-dark: rgba(0, 0, 0, 0.5);
  --success-color: #4caf50;
  --error-color: #f44336;
  
  /* Размеры и отступы */
  --container-width: 1200px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 20px;
  --spacing-lg: 40px;
  --spacing-xl: 80px;
  
  /* Тени и эффекты */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Типографика */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  
  /* Z-индексы */
  --z-navbar: 1000;
  --z-modal: 2000;
  --z-cookie: 9999;
}

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

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

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

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(--text-dark);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

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

h4 {
  font-size: var(--font-size-xl);
}

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

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
}

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

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

/* Section Styles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

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

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-light);
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: var(--font-size-md);
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-medium);
  background-color: var(--primary-color);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.8s;
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

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

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

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

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

input, textarea, select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--secondary-color);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  background-color: rgba(255, 255, 255, 0.9);
  transition: all var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(51, 51, 51, 0.1);
}

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

.toggle-switch input[type="checkbox"] {
  width: auto;
  margin-right: var(--spacing-sm);
}

button, input[type="submit"] {
  cursor: pointer;
}

/* Glassmorphism Card Styles */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.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-slow);
}

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

.card-content {
  padding: var(--spacing-lg);
  width: 100%;
  text-align: center;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-navbar);
  transition: background-color var(--transition-medium);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  z-index: 1001;
}

.logo img {
  width: 80px;
  height: auto;
}

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

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

.main-nav a {
  color: var(--text-color);
  font-weight: 500;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.main-nav a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  transition: all var(--transition-medium);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  color: var(--text-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-4xl);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1.2s ease;
}

.hero p {
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1.4s ease;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  animation: fadeInUp 1.6s ease;
}

/* About Section */
.about-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-color);
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-image {
  flex: 1;
  min-width: 300px;
}

.about-image .image-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 350px;
}

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

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

.about-text {
  flex: 1;
  min-width: 300px;
}

.about-text h3 {
  margin-bottom: var(--spacing-md);
}

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

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

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

.pricing-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.pricing-cards .card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
}

.pricing-cards .card.featured {
  transform: scale(1.05);
  border: 2px solid var(--primary-color);
}

.pricing-cards .card.featured:hover {
  transform: scale(1.08);
}

.price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.pricing-cards .card ul {
  list-style-type: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.pricing-cards .card ul li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: 25px;
}

.pricing-cards .card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
}

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

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Team Section */
.team-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-color);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.position {
  color: var(--text-light);
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-md);
}

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

.testimonials-slider {
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-slide {
  padding: var(--spacing-sm);
}

.testimonial-slide .card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.testimonial-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  border: 3px solid var(--primary-color);
}

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

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

.testimonial-author {
  margin-top: var(--spacing-md);
}

.testimonial-author h4 {
  margin-bottom: 5px;
}

.testimonial-author p {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* FAQ Section */
.faq-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-color);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

.faq-question h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  flex: 1;
}

.toggle-icon {
  width: 20px;
  height: 20px;
  position: relative;
}

.toggle-icon::before,
.toggle-icon::after {
  content: '';
  position: absolute;
  background-color: var(--primary-color);
  transition: transform var(--transition-medium);
}

.toggle-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.toggle-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item.active .toggle-icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
  animation: fadeInDown 0.5s ease;
}

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

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.info-item {
  margin-bottom: var(--spacing-lg);
}

.info-item ul {
  list-style-type: none;
  margin: 0;
}

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

.info-item .icon {
  margin-right: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.contact-image {
  margin-top: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 300px;
}

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

.contact-form-container {
  flex: 1;
  min-width: 300px;
}

.contact-form {
  padding: var(--spacing-lg);
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  position: relative;
  text-align: center;
  animation: fadeInDown 0.3s ease;
}

.close-modal {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

/* Footer Styles */
.footer {
  background-color: var(--primary-dark);
  color: var(--text-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-column {
  flex: 1;
  min-width: 200px;
}

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

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

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

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

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

.footer-column a:hover {
  color: var(--text-white);
  text-decoration: none;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.social-links a {
  color: var(--accent-color);
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--text-white);
  transform: translateX(5px);
  text-decoration: none;
}

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

/* Cookie Consent */
#cookie-consent {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#accept-cookies {
  transition: background-color var(--transition-fast);
}

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

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

.success-content {
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease;
}

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

/* Privacy & Terms Pages */
.page-content {
  padding-top: calc(var(--header-height) + var(--spacing-lg));
  padding-bottom: var(--spacing-xl);
}

.page-content .container {
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.page-content h1 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.page-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

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

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

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

/* Responsive Styles */
@media (max-width: 992px) {
  :root {
    --font-size-4xl: 2.5rem;
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
    --spacing-xl: 60px;
  }
  
  .hero-content {
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --spacing-xl: 50px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-color);
    padding: calc(var(--header-height) + 20px) var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-medium);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .main-nav li {
    margin: 0 0 var(--spacing-md);
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .about-content, .contact-container {
    flex-direction: column;
  }
  
  .pricing-cards .card.featured {
    transform: scale(1);
  }
  
  .pricing-cards .card.featured:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 576px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --spacing-xl: 40px;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .card-image {
    height: 200px;
  }
  
  .about-image .image-container {
    height: 250px;
  }
}