/* Базовые стили */
:root {
  --black: #000000;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --accent: #000000;
  --accent-light: #333333;
  --accent-glow: rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--white);
  color: var(--gray-900);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Типография */
h1, h2, h3, h4 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.highlight {
  color: var(--accent);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent);
  opacity: 0.3;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.logo-subtitle {
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: 400;
}

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

.nav-menu a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a:hover {
  color: var(--black);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--black);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
}

.hero-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: 
      linear-gradient(45deg, var(--gray-100) 25%, transparent 25%),
      linear-gradient(-45deg, var(--gray-100) 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, var(--gray-100) 75%),
      linear-gradient(-45deg, transparent 75%, var(--gray-100) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  margin-bottom: 2rem;
}

.hero-title-main {
  display: block;
  font-size: 5rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1;
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
}

.hero-title-sub {
  display: block;
  font-size: 1.2rem;
  color: var(--gray-600);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--gray-700);
  margin-bottom: 3rem;
  max-width: 600px;
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--black);
  font-family: 'JetBrains Mono', monospace;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-dark {
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  padding-left: 70px;
}

.section-title-number {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1rem;
  color: var(--gray-400);
  font-weight: 400;
  font-family: 'JetBrains Mono', monospace;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}

.content-block {
  margin-bottom: 2rem;
}

.content-block p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-700);
}

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

/* Feature Cards */
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--accent-glow);
  border-color: var(--black);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--black);
  color: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--black);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin: 0;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
}

.feature-number {
  position: absolute;
  top: -15px;
  left: 20px;
  background: var(--black);
  color: var(--white);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}

.feature-item h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--black);
}

.feature-item p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin: 0;
}

/* Security Grid */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.security-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  border-left: 4px solid var(--black);
}

.security-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 10px;
}

.security-item h3 i {
  color: var(--black);
}

.security-item p {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin: 0;
}

/* Guide Steps */
.guide-steps {
  max-width: 800px;
  margin: 0 auto 3rem;
}

.step {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  position: relative;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step h3 {
  font-size: 1.2rem;
  color: var(--black);
  margin: 0;
}

.step p {
  color: var(--gray-600);
  margin: 0;
  padding-left: 55px;
}

/* Warning Box */
.warning-box {
  background: var(--gray-100);
  border: 2px solid var(--black);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.warning-box i {
  color: var(--black);
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: 5px;
}

.warning-content h4 {
  font-size: 1.2rem;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.warning-content p {
  color: var(--gray-600);
  margin: 0;
}

/* Comparison */
.comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.comparison-column {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
}

.comparison-title {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 10px;
}

.comparison-list {
  list-style: none;
}

.comparison-list li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-700);
}

.comparison-list li:last-child {
  border-bottom: none;
}

.comparison-list li i.fa-check-circle {
  color: var(--black);
}

.comparison-list li i.fa-times-circle {
  color: var(--gray-400);
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
  background: var(--black);
  color: var(--white);
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.cta-description {
  font-size: 1.2rem;
  color: var(--gray-300);
  margin-bottom: 3rem;
}

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

.cta-button {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--white);
  background: transparent;
  color: var(--white);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
}

.cta-button:hover {
  background: var(--white);
  color: var(--black);
  transform: translateY(-2px);
}

.cta-button.secondary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.cta-button.secondary:hover {
  background: transparent;
  color: var(--white);
}

/* Footer */
.footer {
  background: var(--gray-50);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--gray-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: var(--gray-600);
  line-height: 1.6;
}

.footer-title {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--black);
}

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

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

.footer-links a {
  color: var(--gray-600);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--black);
}

.footer-info p {
  color: var(--gray-600);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-info i {
  color: var(--black);
  margin-top: 3px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
  color: var(--gray-500);
  font-size: 0.9rem;
}

.disclaimer {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.5rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-title-main {
      font-size: 4rem;
  }
  
  .content-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
  }
  
  .features-grid,
  .security-grid,
  .comparison,
  .footer-grid {
      grid-template-columns: 1fr;
  }
  
  .nav-menu {
      display: none;
  }
  
  .menu-toggle {
      display: block;
  }
  
  .navbar.active .nav-menu {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background: var(--white);
      padding: 2rem;
      border-top: 1px solid var(--gray-200);
      box-shadow: 0 10px 30px var(--accent-glow);
  }
}

@media (max-width: 768px) {
  .hero {
      padding: 150px 0 80px;
  }
  
  .hero-title-main {
      font-size: 3rem;
  }
  
  .hero-stats {
      flex-direction: column;
      gap: 2rem;
  }
  
  .section-title {
      font-size: 2rem;
      padding-left: 50px;
  }
  
  .cta-buttons {
      flex-direction: column;
      align-items: center;
  }
  
  .cta-button {
      width: 100%;
      max-width: 300px;
      justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title-main {
      font-size: 2.5rem;
  }
  
  .section {
      padding: 60px 0;
  }
  
  .section-title {
      font-size: 1.8rem;
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-3 {
  margin-bottom: 3rem;
}
/* Hero Grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Hero Image справа */
.hero-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  height: 400px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(120%);
  transition: all 0.5s ease;
}

.hero-image:hover img {
  filter: grayscale(0%) contrast(110%);
  transform: scale(1.02);
}

.image-badges {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  background: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge i {
  font-size: 0.8rem;
}

/* Responsive Hero */
@media (max-width: 992px) {
  .hero-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
  }
  
  .hero-image {
      height: 350px;
      order: -1;
  }
}

@media (max-width: 768px) {
  .hero-image {
      height: 300px;
  }
  
  .hero-title-main {
      font-size: 3.5rem;
  }
  
  .hero-stats {
      flex-direction: column;
      gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-image {
      height: 250px;
  }
  
  .hero-title-main {
      font-size: 2.8rem;
  }
  
  .badge {
      padding: 6px 12px;
      font-size: 0.8rem;
  }
}