/**
 * Navigation Styles - Light Theme
 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

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

.navbar-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
}

.navbar-logo .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.navbar-logo .logo-svg {
  height: 40px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo .logo-svg:hover {
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Dropdown Menu Styles */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.dropdown-toggle .icon-sm {
  transition: transform var(--transition-base);
}

.nav-dropdown:hover .dropdown-toggle .icon-sm {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 0;
  min-width: 320px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1001;
  overflow: hidden;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  color: var(--color-text-dark);
  text-decoration: none;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background: rgba(59, 130, 246, 0.08);
}

.dropdown-item.featured {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-left: 3px solid var(--color-primary);
}

.dropdown-item.featured:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
}

.dropdown-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.dropdown-item.featured .dropdown-icon {
  background: var(--gradient-primary);
}

.dropdown-item.featured .dropdown-icon svg {
  color: white;
}

.dropdown-content {
  flex: 1;
}

.dropdown-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-light);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.badge-primary {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-xs);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-light);
  transition: all var(--transition-base);
}

/**
 * Hero Section Styles
 */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 50%, #EFF6FF 100%);
  opacity: 1;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 4s ease-in-out infinite;
}

.hero-gradient::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse-glow 5s ease-in-out infinite reverse;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(59, 130, 246, 0.6);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.particle:nth-child(2) {
  top: 40%;
  left: 80%;
  animation-delay: 1s;
}

.particle:nth-child(3) {
  top: 60%;
  left: 20%;
  animation-delay: 2s;
}

.particle:nth-child(4) {
  top: 80%;
  left: 70%;
  animation-delay: 3s;
}

.particle:nth-child(5) {
  top: 30%;
  left: 50%;
  animation-delay: 4s;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-badge .icon {
  color: var(--color-accent);
}

.hero-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-subtitle strong {
  font-weight: 700;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-md);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-md);
}

.stat-number {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  max-width: 45%;
  z-index: 0;
}

.visual-card {
  padding: 0;
  overflow: hidden;
}

.visual-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(15, 23, 42, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.visual-dots {
  display: flex;
  gap: 6px;
}

.visual-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.visual-dots span:nth-child(1) {
  background: #EF4444;
}

.visual-dots span:nth-child(2) {
  background: #F59E0B;
}

.visual-dots span:nth-child(3) {
  background: #10B981;
}

.visual-title {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.visual-content {
  padding: var(--spacing-md);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
}

.code-line {
  margin: 0.25rem 0;
  color: var(--color-text-dark);
}

.code-indent {
  padding-left: 2rem;
}

.code-comment {
  color: #6B7280;
}

.code-keyword {
  color: #C084FC;
}

.code-function {
  color: #60A5FA;
}

.code-string {
  color: #34D399;
}

.code-number {
  color: #F472B6;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: fadeInUp 1s ease-out 1s forwards;
  opacity: 0;
}

.scroll-mouse {
  width: 24px;
  height: 36px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  margin: 0 auto 0.5rem;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(12px);
    opacity: 0;
  }
}

.scroll-indicator p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/**
 * KennisAI Platform Section Styles
 */
.kennisai-section {
  background: var(--color-dark-lighter);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.section-badge {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.feature-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  flex: 1;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.feature-visual {
  margin: var(--spacing-md) 0;
}

.canvas-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(15, 23, 42, 0.5);
  border-radius: var(--radius-md);
}

.canvas-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-sm);
  background: rgba(59, 130, 246, 0.1);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-light);
  min-width: 100px;
  text-align: center;
}

.node-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

.canvas-connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  position: relative;
}

.canvas-connector::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid var(--color-secondary);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-md) 0;
}

.tag {
  padding: 0.25rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.connectivity-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xs);
  margin: var(--spacing-md) 0;
}

.conn-icon {
  padding: var(--spacing-sm);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
}

.feature-green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
  border-color: rgba(16, 185, 129, 0.2);
}

.green-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

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

.green-stat .stat-value {
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
}

.green-stat .stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-top: auto;
  transition: gap var(--transition-base);
}

.feature-link:hover {
  gap: var(--spacing-sm);
}

.platform-cta {
  margin-top: var(--spacing-xl);
}

.cta-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 2px solid rgba(59, 130, 246, 0.3);
}

.cta-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.cta-card p {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-muted);
}

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

/**
 * Responsive Styles
 */
@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
  
  .hero-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .navbar-menu.active {
    transform: translateX(0);
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  /* Dropdown mobile styles */
  .nav-dropdown {
    width: 100%;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    transform: none;
    margin-top: 0.5rem;
    overflow: hidden;
    transition: all var(--transition-base);
  }
  
  .nav-dropdown.active .dropdown-menu,
  .nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
  }
  
  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
  }
  
  .hero-section {
    min-height: auto;
    padding: var(--spacing-xl) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-md);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn-lg {
    width: 100%;
    justify-content: center;
  }
  
  .canvas-preview {
    flex-direction: column;
  }
  
  .canvas-connector {
    width: 2px;
    height: 20px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  }
  
  .canvas-connector::after {
    right: 50%;
    bottom: -6px;
    top: auto;
    transform: translateX(50%) rotate(90deg);
  }
  
  .green-stats {
    grid-template-columns: 1fr;
  }
  
  .connectivity-icons {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
  
  .cta-buttons .btn {
    width: 100%;
  }
}