/* DEEPSJVB NextGen AI Labs - Global Styles */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #0a1628;
  --color-primary-dark: #060d18;
  --color-primary-light: #122640;
  --color-secondary: #1e3a5f;
  --color-accent: #00d4ff;
  --color-accent-secondary: #0099cc;
  --color-accent-glow: rgba(0, 212, 255, 0.15);
  --color-text-primary: #e8f4fc;
  --color-text-secondary: #8ba3b8;
  --color-text-muted: #5a7085;
  --color-border: #1e3a5f;
  --color-border-light: #2a4a6f;
  --color-success: #00c853;
  --color-warning: #ffab00;
  --color-error: #ff5252;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1e3a5f 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
  --gradient-card: linear-gradient(180deg, #122640 0%, #0a1628 100%);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1200px;
  --header-height: 72px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-text-primary);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Section */
.section {
  padding: var(--spacing-3xl) 0;
}

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

.section-title h2 {
  margin-bottom: var(--spacing-md);
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Card */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-primary-dark);
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent-glow);
}

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

.btn-outline:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

/* Badge */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
  }
}

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

.animate-slide-in {
  animation: slideIn 0.6s ease forwards;
}

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

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

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

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-secondary);
}

/* Selection */
::selection {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

/* Logo Styles - Responsive */
.navbar-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

/* Hero Logo */
.hero-logo {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.hero-logo img {
  height: 120px;
  width: auto;
  display: inline-block;
}

/* Tablet responsive */
@media (max-width: 1024px) {
  .navbar-logo-img {
    height: 40px;
  }
  
  .footer-logo-img {
    height: 40px;
  }
  
  .hero-logo img {
    height: 100px;
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .navbar-logo-img {
    height: 32px;
  }
  
  .footer-logo-img {
    height: 32px;
  }
  
  .hero-logo img {
    height: 80px;
  }
}

/* ============================================
   Platform Architecture Section
   ============================================ */
.platform-architecture {
  padding: var(--spacing-3xl) 0;
  background: var(--color-primary-dark);
}

.platform-architecture .section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.platform-architecture .section-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.platform-architecture .section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.platform-architecture .section-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Architecture Diagram */
.architecture-diagram {
  max-width: 1000px;
  margin: 0 auto;
}

/* Platform Header */
.platform-header {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, rgba(0, 212, 255, 0.05) 100%);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
  font-size: 1.1rem;
  font-weight: 600;
}

.platform-badge svg {
  color: var(--color-accent);
}

/* Connection Lines */
.connection-lines {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-md) 0;
}

.connection-line {
  width: 2px;
  height: 20px;
  background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
}

/* Infrastructure Layers */
.infrastructure-layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.infrastructure-layer {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

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

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

.layer-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.security-layer .layer-icon {
  background: rgba(0, 212, 255, 0.1);
  color: #00d4ff;
}

.finance-layer .layer-icon {
  background: rgba(0, 200, 83, 0.1);
  color: #00c853;
}

.operations-layer .layer-icon {
  background: rgba(255, 152, 0, 0.1);
  color: #ff9800;
}

.layer-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

/* Layer Products */
.layer-products {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.product-item {
  display: block;
}

.product-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.product-link:hover {
  background: var(--color-accent-glow);
}

.product-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.product-link:hover .product-name {
  color: var(--color-text-primary);
}

.product-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 83, 0.15);
  color: #00c853;
}

/* Responsive */
@media (max-width: 900px) {
  .infrastructure-layers {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}