/* ==========================================
   KUBEOPT.COM - Main Styles
   Based on aks-cost-optimizer design system
   ========================================== */

/* CSS Variables for consistent theming */
:root {
  /* Primary Brand Colors */
  --primary-color: #7FB069;
  --primary-color-light: #94C37F;
  --primary-color-dark: #6BA055;
  --primary-green: #7FB069; /* Keep for backward compatibility */
  --primary-green-light: #94C37F;
  --primary-green-dark: #6BA055;
  
  /* Neutral colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Text colors - Light Theme */
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --text-muted: #d1d5db;
  --text-white: #ffffff;
  
  /* Background colors - Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-hover: #f3f4f6;
  
  /* Border colors - Light Theme */
  --border-color: #e5e7eb;
  --border-color-light: #f3f4f6;
  --border-color-dark: #d1d5db;
  
  /* Shadows - Light Theme */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
  
  /* Status colors */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --error-color-dark: #dc2626;
  --info-color: #3b82f6;
  --danger: #ef4444;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1.125rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  border-bottom: 1px solid var(--primary-color-dark, #6BA055);
  box-shadow: var(--shadow-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  font-weight: 600;
  color: var(--text-primary);
}

.logo-icon {
  height: 40px;
  width: 40px;
  animation: spin 8s linear infinite;
  transform-origin: center;
  transition: animation-duration 0.3s ease;
}

.logo:hover .logo-icon {
  animation-duration: 2s; /* Faster spin on hover */
}

/* Spinning animation keyframes */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  transition: var(--transition-fast);
  padding: var(--space-sm) 0;
}

.nav-link:hover {
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

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

/* Mobile menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: white;
  transition: var(--transition-fast);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 99;
}

.mobile-menu-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

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

/* Buttons */
.btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-fast);
  text-decoration: none;
  text-align: center;
  justify-content: center;
}

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

.btn-primary:hover {
  background: var(--primary-color-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

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

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  text-align: center;
}

.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 3rem;
  font-weight: 700;
}

.hero-eye {
  color: var(--primary-color);
  font-weight: 800;
  font-style: italic;
  text-shadow: 0 2px 4px rgba(127, 176, 105, 0.3);
  animation: pulse-eye 2s ease-in-out infinite;
}

@keyframes pulse-eye {
  0%, 100% { 
    transform: scale(1); 
    opacity: 0.9;
  }
  50% { 
    transform: scale(1.05); 
    opacity: 1;
  }
}

.hero-iii-meaning {
  font-size: 0.9rem;
  color: var(--primary-color);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 1px;
  text-shadow: 0 1px 2px rgba(127, 176, 105, 0.2);
}

.hero-logo {
  height: 64px;
  width: 64px;
  animation: none; /* Ensure no spinning in hero section */
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.hero-tagline {
  font-size: 1.125rem;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stat-item {
  text-align: center;
  padding: 0 var(--space-lg);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-sm);
  display: block;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* Quick Start Section */
.quick-start {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-2xl);
  border: 1px solid var(--border-color);
}

.quick-start-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.quick-start-features {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Benefits Section */
.enterprise-benefits {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: var(--space-2xl) 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.benefit-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.benefit-card:hover::before {
  transform: scaleX(1);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  display: block;
}

.benefit-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.benefit-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Features Section */
.features {
  background: var(--bg-secondary);
  padding: var(--space-2xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

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

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.feature-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

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

/* Demo Section */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.demo {
  background: var(--bg-secondary);
  padding: var(--space-2xl) 0;
}

.chart-container {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

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

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.chart-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.chart-wrapper {
  flex: 1;
  position: relative;
  height: 300px;
}

/* Chart.js legend fix for strikethrough issue */
.chart-container canvas,
.chart-wrapper canvas {
  font-family: var(--font-family) !important;
}

.chart-container .chartjs-legend,
.chart-container .chartjs-legend ul,
.chart-container .chartjs-legend li,
.chart-container .chartjs-legend span {
  text-decoration: none !important;
  list-style: none !important;
  border: none !important;
  outline: none !important;
}

/* Fix for Chart.js generated legend items */
.chart-container canvas + div,
.chart-wrapper canvas + div {
  font-family: var(--font-family) !important;
}

.chart-container canvas + div span,
.chart-wrapper canvas + div span {
  text-decoration: none !important;
  border: none !important;
}

/* Additional Chart.js legend fixes */
.chart-container .chart-legend,
.chart-container .chart-legend ul,
.chart-container .chart-legend li,
.chart-container .chart-legend span {
  text-decoration: none !important;
  list-style: none !important;
}

.metric-badge {
  background: rgba(127, 176, 105, 0.1);
  color: var(--primary-color);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.chart-wrapper {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-light);
}

/* Demo Terminal */
.demo-terminal {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  margin-top: var(--space-xl);
  grid-column: 1 / -1;
}

.demo-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.demo-output {
  background: var(--gray-900);
  color: #ffffff;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}

.demo-output .info { color: #60a5fa; }
.demo-output .success { color: #34d399; }
.demo-output .warning { color: #fbbf24; }
.demo-output .metric { color: #a78bfa; }

/* Tech Specs Section */
.tech-specs {
  background: var(--bg-secondary);
  padding: var(--space-2xl) 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.tech-item {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.tech-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tech-item strong {
  color: var(--primary-color);
  font-size: 1rem;
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-sm);
}

/* Pricing Section */
.pricing {
  background: var(--bg-primary);
  padding: var(--space-2xl) 0;
}

.pricing-cards {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.pricing-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
  position: relative;
  max-width: 300px;
  flex: 1;
  min-width: 280px;
}

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

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

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--space-lg);
}

.price-period {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-lg);
  text-align: left;
}

.pricing-features li {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color-light);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
  color: white;
  padding: var(--space-2xl) 0;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.cta-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-note {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Docs and Contact Sections */
.docs, .contact, .download {
  background: var(--bg-secondary);
  padding: var(--space-2xl) 0;
}

.docs-grid, .download-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.doc-card, .download-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.doc-card::before, .download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.doc-card:hover::before, .download-card:hover::before {
  transform: scaleX(1);
}

.download-card.featured,
.doc-card.featured-doc {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(127, 176, 105, 0.05) 0%, var(--bg-primary) 100%);
}

.doc-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin: var(--space-md) 0;
}

.doc-feature {
  background: rgba(127, 176, 105, 0.1);
  color: var(--primary-color);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(127, 176, 105, 0.2);
}

.doc-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.doc-title, .download-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.doc-description, .download-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.doc-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

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

.download-steps {
  margin-bottom: var(--space-lg);
}

.step {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-color-light);
}

.step:last-child {
  border-bottom: none;
}

.code-snippet {
  background: var(--gray-900);
  color: white;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.8rem;
  position: relative;
  margin-bottom: var(--space-md);
}

.copy-btn {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.download-cta {
  text-align: center;
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* Contact Section */
.contact-content {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
  align-items: flex-start;
}

.contact-info, .contact-form {
  flex: 1;
}

.contact-item {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.contact-item:hover::before {
  transform: scaleX(1);
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.contact-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.contact-item p {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.contact-form {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

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

/* Contact Options Grid */
.contact-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.contact-option {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-option.primary-option {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(127, 176, 105, 0.05) 0%, var(--bg-primary) 100%);
}

.contact-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.contact-option:hover::before {
  transform: scaleX(1);
}

.contact-option .contact-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.contact-option h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-family: var(--font-family);
}

.contact-option p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-family: var(--font-family);
}

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

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-family);
}

.feature-item i {
  color: var(--primary-color);
  font-size: 0.75rem;
}

/* Contact Form Section */
.contact-form-section {
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

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

.contact-form-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.contact-form-header h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-family);
}

.contact-form-header h3::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  border-radius: 2px;
}

.contact-form-header h3 i {
  color: var(--primary-color);
  font-size: 1.5rem;
  filter: drop-shadow(0 2px 4px rgba(127, 176, 105, 0.3));
}

.contact-form-header p {
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto;
}

.contact-form-container {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: var(--space-2xl);
  align-items: start;
  background: var(--bg-primary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: relative;
}

.contact-details::before {
  content: '';
  position: absolute;
  top: 0;
  left: -1rem;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-color-light) 50%, var(--primary-color) 100%);
  border-radius: 2px;
  opacity: 0.7;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact-detail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: bottom;
}

.contact-detail:hover {
  border-color: var(--primary-color-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.contact-detail:hover::before {
  transform: scaleY(1);
}

.contact-detail i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.25rem;
  padding: 0.75rem;
  background: rgba(127, 176, 105, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(127, 176, 105, 0.2);
  transition: all 0.3s ease;
}

.contact-detail:hover i {
  background: rgba(127, 176, 105, 0.15);
  transform: scale(1.05);
  filter: drop-shadow(0 2px 4px rgba(127, 176, 105, 0.3));
}

.contact-detail div {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.contact-detail strong {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-family);
}

.contact-detail span {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: var(--font-family);
}

/* Form Rows */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group select {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  transition: var(--transition-fast);
  background: var(--bg-secondary);
  font-family: var(--font-family);
  color: var(--text-primary);
}

.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(127, 176, 105, 0.1);
}

/* Responsive Contact Layout */
@media (max-width: 768px) {
  .contact-options-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .contact-form-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: var(--space-lg);
  }
  
  .contact-details::before {
    display: none;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-family);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--bg-primary);
  font-family: var(--font-family);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  position: relative;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
  max-height: 200px;
  line-height: 1.5;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(127, 176, 105, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
  background: var(--bg-primary);
}

.form-group input:hover,
.form-group textarea:hover {
  border-color: var(--primary-color-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Contact Form Submit Button */
.contact-form .btn-primary {
  width: auto;
  padding: var(--space-md) var(--space-xl);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-light) 100%);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(127, 176, 105, 0.3);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-md);
  align-self: flex-start;
}

.contact-form .btn-primary::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: left 0.5s ease;
}

.contact-form .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(127, 176, 105, 0.4);
}

.contact-form .btn-primary:hover::before {
  left: 100%;
}

.contact-form .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(127, 176, 105, 0.3);
}

/* Command tabs and content */
.command-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.tab {
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
}

.tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

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

.command-content {
  display: none;
}

.command-content.active {
  display: block;
}

/* Utility Classes */
.hidden { display: none !important; }
.loading { opacity: 0.6; pointer-events: none; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Spacing utilities */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-6 { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-6 { margin-top: var(--space-xl); }

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.animate-on-scroll.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Code styling */
.keyword { color: #f97316; }
.string { color: #10b981; }
.comment { color: #6b7280; }

/* Flash Messages */
.flash-messages {
  position: fixed;
  top: calc(var(--header-height) + var(--space-md));
  right: var(--space-xl);
  z-index: 1001;
  max-width: 400px;
}

.flash-message {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flash-success {
  border-left: 4px solid var(--success-color);
}

.flash-error {
  border-left: 4px solid var(--error-color);
}

.flash-warning {
  border-left: 4px solid var(--warning-color);
}

.flash-info {
  border-left: 4px solid var(--info-color);
}

.flash-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-light);
  padding: 0;
  margin-left: var(--space-md);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }
  
  .pricing-cards {
    flex-direction: column;
    align-items: center;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .hero-logo {
    height: 48px;
    width: 48px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .hero-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .benefits-grid,
  .features-grid,
  .tech-grid,
  .docs-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .chart-container {
    min-height: 350px;
    padding: var(--space-lg);
  }
  
  .contact-content {
    flex-direction: column;
  }
  
  .cta-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .cta-actions .btn {
    width: 100%;
  }
  
  .command-tabs {
    flex-wrap: wrap;
  }
  
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .cta-title {
    font-size: 2rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .quick-start,
  .benefit-card,
  .feature-card,
  .tech-item,
  .doc-card,
  .download-card {
    padding: var(--space-lg);
  }
}

/* Footer Styles - Matching aks-cost-optimizer design */
.footer {
  background: linear-gradient(135deg, var(--bg-tertiary, #f8fafc) 0%, var(--bg-secondary, #f9fafb) 100%);
  color: var(--text-secondary);
  padding: var(--space-2xl) 0 var(--space-xl);
  border-top: 1px solid var(--border-color);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-light) 50%, var(--primary-color) 100%);
}

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

.footer-brand {
  max-width: 100%;
}

.footer-logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  animation: none; /* Ensure no spinning in footer */
}

.footer-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-family);
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  font-family: var(--font-family);
}

.footer-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

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

.footer-stat-number {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: var(--font-family);
}

.footer-stat-label {
  font-size: 0.75rem;
  color: var(--text-light, #9ca3af);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-family);
}

.footer-subtitle {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-family);
}

.footer-subtitle i {
  color: var(--primary-color);
  font-size: 0.875rem;
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-family);
}

.footer-links a i {
  color: var(--primary-color);
  font-size: 0.75rem;
  width: 14px;
  text-align: center;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom-left {
  flex: 1;
}

.footer-copyright {
  color: var(--text-secondary);
  margin: 0 0 var(--space-sm) 0;
  font-size: 0.875rem;
  font-family: var(--font-family);
}

.footer-legal {
  margin: 0;
  font-size: 0.75rem;
}

.footer-legal a {
  color: var(--text-light, #9ca3af);
  text-decoration: none;
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--primary-color);
}

.footer-bottom-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

.footer-badge {
  background: rgba(127, 176, 105, 0.1);
  color: var(--primary-color);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  border: 1px solid rgba(127, 176, 105, 0.2);
  font-family: var(--font-family);
}

.footer-badge i {
  font-size: 0.625rem;
}

/* Responsive Footer */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .footer-stats {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-bottom-right {
    justify-content: center;
  }
  
  .footer-badges {
    justify-content: center;
  }
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

/* Dark theme support (optional future enhancement) */
@media (prefers-color-scheme: dark) {
  /* Keep light theme for now, can be implemented later */
}