/* CSS Variables */
:root {
  /* Colors - Light Theme */
  --primary-color: #4361ee;
  --primary-dark: #3a56d4;
  --primary-light: #4895ef;
  --secondary-color: #7209b7;
  --accent-color: #4cc9f0;
  
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #6b7280;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-dark: #1a1a2e;
  
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.15);
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --primary-color: #4361ee;
  --primary-dark: #3a56d4;
  --primary-light: #4895ef;
  
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-card: #1f2937;
  --bg-dark: #0f172a;
  
  --border-color: #374151;
  --border-light: #4b5563;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.25);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-2xl) 0;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition), visibility var(--transition);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  text-align: center;
}

.spinner-circle {
  width: 60px;
  height: 60px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-sm);
}

.spinner-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

strong {
  font-weight: 600;
  color: var(--primary-color);
}

.highlight {
  position: relative;
  display: inline-block;
}

.highlight-text {
  position: relative;
  z-index: 2;
  color: var(--primary-color);
}

.highlight-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: var(--primary-color);
  filter: blur(20px);
  opacity: 0.15;
  z-index: 1;
  border-radius: var(--radius-md);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: var(--font-primary);
  gap: var(--space-xs);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-hero, .btn-cta {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-nav {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover .btn-glow {
  left: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-primary);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: var(--space-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-primary {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-secondary {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
}

.nav-menu-container {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  position: relative;
  transition: color var(--transition);
}

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

.nav-link.active {
  color: var(--primary-color);
}

.nav-link-underline {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}

.nav-link:hover .nav-link-underline,
.nav-link.active .nav-link-underline {
  width: 100%;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  transform: rotate(30deg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.toggle-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.nav-toggle.active .toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero-section {
  padding-top: calc(var(--space-2xl) + 80px);
  padding-bottom: var(--space-2xl);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.badge-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.stat-card {
  text-align: center;
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
}

.hero-visual {
  position: relative;
}

.visual-container {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.crypto-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  position: relative;
}

.visual-node {
  text-align: center;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  min-width: 120px;
  transition: all var(--transition);
}

.visual-node:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
}

.input-node:hover {
  border-color: var(--error-color);
}

.output-node:hover {
  border-color: var(--success-color);
}

.node-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.node-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: var(--space-xs);
}

.node-icon {
  font-size: 1.25rem;
  color: var(--text-muted);
}

.input-node .node-icon {
  color: var(--error-color);
}

.output-node .node-icon {
  color: var(--success-color);
}

.visual-mixer {
  text-align: center;
  position: relative;
  z-index: 2;
}

.mixer-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xs);
  color: white;
  font-size: 1.5rem;
  animation: pulse 2s infinite;
}

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

.mixer-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
}

.visual-connection {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.connection-particle {
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  transform: translateY(-50%);
  animation: moveParticle 3s linear infinite;
}

@keyframes moveParticle {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

.visual-info {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

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

.info-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.info-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-mono);
}

.info-divider {
  width: 1px;
  background: var(--border-color);
}

/* Trust Section */
.trust-section {
  background: var(--bg-secondary);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.trust-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.trust-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.trust-content {
  display: flex;
  flex-direction: column;
}

.trust-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-mono);
}

.trust-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Process Section */
.process-section {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.process-step {
  position: relative;
}

.step-number {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  z-index: 2;
}

.step-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  height: 100%;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.step-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--primary-color);
  font-size: 1.5rem;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.step-description {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.step-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.detail-item i {
  color: var(--success-color);
}

.process-visual {
  margin-top: var(--space-xl);
}

.timeline {
  position: relative;
  height: 4px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  max-width: 800px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-full);
  width: 0;
  animation: timelineFill 3s ease-out forwards;
}

@keyframes timelineFill {
  to { width: 100%; }
}

.timeline-point {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--bg-primary);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: pointPulse 2s infinite;
  animation-delay: calc(var(--delay) * 0.5s);
}

.timeline-point:nth-child(1) { left: 0; }
.timeline-point:nth-child(2) { left: 25%; }
.timeline-point:nth-child(3) { left: 50%; }
.timeline-point:nth-child(4) { left: 75%; }
.timeline-point:nth-child(5) { left: 100%; }

@keyframes pointPulse {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-50%) scale(1.2); }
}

/* Features Section - ИСПРАВЛЕНА */
.features-section {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.features-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  flex: 1 1 calc(50% - var(--space-lg));
  min-width: 280px;
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

.feature-card-highlight {
  flex: 1 1 100%;
  max-width: 100%;
}

.feature-card-inner {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  height: 100%;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card-highlight .feature-card-inner {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(67, 97, 238, 0.05) 100%);
  border: 2px solid var(--primary-color);
}

.feature-card:hover .feature-card-inner {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.feature-icon {
  position: relative;
  width: 70px;
  height: 70px;
  margin-bottom: var(--space-lg);
}

.icon-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  opacity: 0.1;
  border-radius: var(--radius-lg);
}

.feature-icon i {
  position: relative;
  z-index: 2;
  font-size: 1.75rem;
  color: var(--primary-color);
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.feature-description {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.feature-list i {
  color: var(--success-color);
  font-size: 0.875rem;
}

.feature-tag {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Для десктопа - 2 в ряд, выделенная карточка занимает всю ширину */
@media (min-width: 1024px) {
  .feature-card {
      flex: 1 1 calc(50% - var(--space-lg));
      max-width: calc(50% - var(--space-lg));
  }
  
  .feature-card-highlight {
      flex: 1 1 100%;
      max-width: 100%;
  }
  
  .feature-card-highlight .feature-card-inner {
      display: flex;
      flex-direction: column;
  }
}

/* Мобильная версия */
@media (max-width: 1023px) {
  .feature-card {
      flex: 1 1 100%;
      max-width: 100%;
  }
  
  .feature-card-highlight {
      order: -1;
  }
}

@media (max-width: 480px) {
  .feature-card-inner {
      padding: var(--space-lg);
  }
  
  .feature-title {
      font-size: 1.25rem;
  }
}

/* Amounts Section */
.amounts-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.amounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.amount-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--space-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.amount-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.amount-card-featured {
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-glow);
}

.amount-badge {
  position: absolute;
  top: 12px;
  right: -30px;
  background: var(--primary-color);
  color: white;
  padding: 4px 30px;
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg);
  z-index: 2;
}

.amount-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.amount-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
}

.amount-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-mono);
}

.amount-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.amount-description {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.amount-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.amount-stats .stat {
  text-align: center;
  padding: var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.amount-stats .stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2px;
}

.amount-stats .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.amount-btn {
  width: 100%;
  justify-content: center;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.amounts-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
}

.amounts-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
  display: flex;
  align-items: center;
  padding: var(--space-xl);
}

.overlay-content {
  max-width: 500px;
  color: white;
}

.overlay-content h3 {
  font-size: 2rem;
  color: white;
  margin-bottom: var(--space-md);
}

.overlay-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

/* Security Section */
.security-section {
  background: var(--bg-primary);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.security-content h3 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.security-content p {
  margin-bottom: var(--space-xl);
}

.security-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.security-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.security-feature .feature-icon {
  width: 50px;
  height: 50px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.security-feature .feature-content h4 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.security-feature .feature-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.security-stats {
  display: flex;
  gap: var(--space-xl);
}

.security-stat {
  text-align: center;
}

.security-stat .stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}

.security-stat .stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.security-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.security-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

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

.security-tags {
  position: absolute;
  bottom: var(--space-lg);
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: 0 var(--space-lg);
}

.tag {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

/* Testimonials Section */
.testimonials-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.testimonials-slider {
  position: relative;
  margin-bottom: var(--space-xl);
}

.testimonials-track {
  display: grid;
  grid-template-columns: repeat(3, 100%);
  gap: var(--space-lg);
  transition: transform 0.5s ease;
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .testimonials-track {
      grid-template-columns: repeat(3, calc(33.333% - var(--space-lg) * 2 / 3));
      gap: var(--space-lg);
      transform: translateX(0) !important;
  }
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.testimonial-rating {
  color: #fbbf24;
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.125rem;
}

.author-info {
  flex: 1;
}

.author-name {
  font-weight: 600;
  margin-bottom: 2px;
}

.author-role {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition);
}

.slider-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  background: var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.dot.active {
  background: var(--primary-color);
  transform: scale(1.2);
}

.testimonials-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
}

.testimonials-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.image-caption i {
  color: var(--success-color);
}

/* Technology Section */
.technology-section {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.technology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.tech-card {
  position: relative;
}

.tech-card-inner {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  height: 100%;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.tech-card:hover .tech-card-inner {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.tech-number {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-mono);
  z-index: 2;
}

.tech-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--primary-color);
  font-size: 1.5rem;
}

.tech-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.tech-description {
  margin-bottom: var(--space-md);
}

.tech-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tech-tag {
  background: var(--bg-secondary);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.tech-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.tech-visual {
  position: relative;
  height: 300px;
}

.visual-element {
  position: absolute;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  opacity: 0.1;
}

.element-1 {
  width: 200px;
  height: 200px;
  top: 0;
  left: 0;
  animation: float 6s ease-in-out infinite;
}

.element-2 {
  width: 150px;
  height: 150px;
  bottom: 0;
  right: 0;
  animation: float 8s ease-in-out infinite reverse;
}

.element-3 {
  width: 100px;
  height: 100px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: float 10s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.tech-content h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.tech-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.tech-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.tech-feature i {
  color: var(--success-color);
}

/* CTA Section */
.cta-section {
  padding: var(--space-2xl) 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  color: white;
  text-align: center;
  box-shadow: var(--shadow-xl);
}

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

.cta-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.cta-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.cta-stat {
  text-align: center;
}

.cta-stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
}

.cta-stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

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

.btn-cta:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.btn-outline.btn-cta {
  background: transparent;
  color: white;
  border-color: white;
}

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

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: var(--space-2xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand .logo {
  align-items: flex-start;
}

.footer-brand .logo-primary {
  color: white;
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.link-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: white;
}

.link-group ul {
  list-style: none;
}

.link-group li {
  margin-bottom: var(--space-xs);
}

.link-group a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition);
}

.link-group a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.disclaimer {
  background: rgba(239, 68, 68, 0.1);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--error-color);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
}

.disclaimer strong {
  color: white;
}

.seo-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  line-height: 1.4;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transform: translateY(100px);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
  z-index: 1001;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toast-content i {
  color: var(--success-color);
  font-size: 1.25rem;
}

.toast-message {
  font-size: 0.875rem;
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  transition: color var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-grid,
  .comparison-container,
  .tech-details,
  .security-grid {
      grid-template-columns: 1fr;
  }
  
  .footer-main {
      grid-template-columns: 1fr;
  }
  
  h1 {
      font-size: 2.75rem;
  }
  
  h2 {
      font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .nav-menu-container {
      position: fixed;
      top: 80px;
      left: -100%;
      width: 100%;
      background: var(--bg-primary);
      flex-direction: column;
      padding: var(--space-xl);
      gap: var(--space-lg);
      transition: left var(--transition);
      box-shadow: var(--shadow-lg);
      border-top: 1px solid var(--border-color);
  }
  
  .nav-menu-container.active {
      left: 0;
  }
  
  .nav-menu {
      flex-direction: column;
      width: 100%;
      gap: 0;
  }
  
  .nav-link {
      padding: var(--space-md);
      border-bottom: 1px solid var(--border-color);
  }
  
  .nav-link:last-child {
      border-bottom: none;
  }
  
  .nav-actions {
      width: 100%;
      justify-content: center;
  }
  
  .nav-toggle {
      display: flex;
  }
  
  .hero-title {
      font-size: 2.25rem;
  }
  
  .hero-stats,
  .trust-container,
  .cta-stats {
      flex-direction: column;
      gap: var(--space-md);
  }
  
  .trust-divider {
      width: 100%;
      height: 1px;
  }
  
  .footer-links {
      grid-template-columns: 1fr;
      gap: var(--space-lg);
  }
  
  .cta-actions {
      flex-direction: column;
  }
  
  .btn {
      width: 100%;
      justify-content: center;
  }
  
  .amounts-grid {
      grid-template-columns: 1fr;
  }
  
  .amount-card-featured {
      order: -1;
  }
  
  .overlay-content {
      padding: var(--space-md);
  }
  
  .overlay-content h3 {
      font-size: 1.5rem;
  }
  
  .overlay-content p {
      font-size: 1rem;
  }
  
  .security-features {
      gap: var(--space-md);
  }
  
  .security-feature {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--space-sm);
  }
  
  .testimonials-track {
      grid-template-columns: repeat(3, 100%);
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
  }
  
  .testimonials-track::-webkit-scrollbar {
      display: none;
  }
  
  .testimonial-card {
      scroll-snap-align: start;
      min-width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
      padding: 0 var(--space-sm);
  }
  
  section {
      padding: var(--space-xl) 0;
  }
  
  h1 {
      font-size: 2rem;
  }
  
  h2 {
      font-size: 1.75rem;
  }
  
  .section-title {
      font-size: 1.75rem;
  }
  
  .hero-actions {
      flex-direction: column;
  }
  
  .crypto-visual {
      flex-direction: column;
      gap: var(--space-lg);
  }
  
  .visual-connection {
      display: none;
  }
  
  .amount-stats {
      grid-template-columns: 1fr;
  }
  
  .security-stats {
      flex-direction: column;
      gap: var(--space-md);
  }
  
  .image-overlay {
      padding: var(--space-md);
  }
}