/* ===== VARIABLES & RESET ===== */
:root {
  /* Material Design Colors - AI/Tech Theme */
  --primary-color: #1565C0;
  --primary-light: #1976D2;
  --primary-dark: #0D47A1;
  --secondary-color: #00BCD4;
  --accent-color: #FF6F00;
  
  /* Neutral Colors */
  --background: #FAFAFA;
  --surface: #FFFFFF;
  --surface-variant: #F5F5F5;
  --outline: #E0E0E0;
  --outline-variant: #EEEEEE;
  
  /* Text Colors */
  --on-surface: #212121;
  --on-surface-variant: #424242;
  --on-surface-secondary: #757575;
  --on-primary: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1565C0 0%, #00BCD4 100%);
  --gradient-surface: linear-gradient(135deg, #FFFFFF 0%, #F5F5F5 100%);
  
  /* Typography */
  --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Shadows */
  --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --shadow-4: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
  
  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50px;
  
  /* Animations */
  --transition-fast: 0.15s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

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

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

.logo-icon {
  font-size: 28px;
  color: var(--primary-color);
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--on-surface);
}

.nav-actions .mdc-button {
  --mdc-theme-primary: var(--primary-color);
  --mdc-theme-on-primary: var(--on-primary);
}

/* ===== HERO SECTION ===== */
.hero {
  margin-top: 64px;
  padding: var(--spacing-3xl) 0;
  background: var(--gradient-surface);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(21, 101, 192, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.hero-badge .material-icons {
  font-size: 18px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  color: var(--on-surface);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--on-surface-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

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

.primary-btn {
  --mdc-theme-primary: var(--primary-color);
  --mdc-theme-on-primary: var(--on-primary);
  display: flex !important;
  align-items: center;
  gap: var(--spacing-xs);
}

.secondary-btn {
  --mdc-theme-primary: var(--primary-color);
  display: flex !important;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ===== HERO VISUAL ===== */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-dashboard {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-4);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--outline-variant);
}

.dashboard-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--outline-variant);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4CAF50;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
  100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

.dashboard-metrics {
  display: grid;
  gap: var(--spacing-md);
}

.metric {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--surface-variant);
  border-radius: var(--radius-md);
}

.metric-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  color: var(--on-primary);
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--on-surface-secondary);
  margin-left: auto;
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--on-surface-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-2);
  border: 1px solid var(--outline-variant);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: var(--on-primary);
  margin-bottom: var(--spacing-lg);
}

.feature-icon .material-icons {
  font-size: 28px;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: var(--spacing-md);
}

.feature-card p {
  color: var(--on-surface-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.feature-tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  background: rgba(21, 101, 192, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== STATS SECTION ===== */
.stats {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-color);
  color: var(--on-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--on-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--on-primary);
  margin-bottom: var(--spacing-xs);
}

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

/* ===== CTA SECTION ===== */
.cta {
  padding: var(--spacing-3xl) 0;
  background: var(--surface-variant);
}

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

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 1.125rem;
  color: var(--on-surface-secondary);
  margin-bottom: var(--spacing-2xl);
}

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

.cta-primary {
  --mdc-theme-primary: var(--primary-color);
  --mdc-theme-on-primary: var(--on-primary);
}

.cta-secondary {
  --mdc-theme-primary: var(--primary-color);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--on-surface);
  color: rgba(255, 255, 255, 0.87);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo .logo {
  color: rgba(255, 255, 255, 0.87);
  margin-bottom: var(--spacing-md);
}

.footer-logo p {
  color: rgba(255, 255, 255, 0.6);
}

.incubation-info {
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
}

.t9l-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.t9l-link:hover {
  color: #00E5FF;
  text-decoration: underline;
}

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

.link-group h4 {
  color: rgba(255, 255, 255, 0.87);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.link-group a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.link-group a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

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

.badge {
  background: rgba(0, 188, 212, 0.2);
  color: var(--secondary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(0, 188, 212, 0.3);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .nav-content {
    padding: 0 var(--spacing-md);
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}