/* Futuristic Dark Sci-Fi Robotics Interface Theme */
:root {
  --bg-primary: #05080d;
  --bg-secondary: #0a0e14;
  --bg-panel: #0d1117;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --neon-cyan: #00d9ff;
  --neon-blue: #00a8ff;
  --neon-purple: #7c4dff;
  --neon-pink: #ff006e;
  --border-subtle: #21262d;
  --border-glow: rgba(0, 217, 255, 0.3);
  --glow-cyan: 0 0 10px rgba(0, 217, 255, 0.5), 0 0 20px rgba(0, 217, 255, 0.3);
  --glow-intense: 0 0 15px rgba(0, 217, 255, 0.8), 0 0 30px rgba(0, 217, 255, 0.5), 0 0 45px rgba(0, 217, 255, 0.3);
}

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

body {
  font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Animated background grid effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.15;
  z-index: -1;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.25; }
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  background: rgba(13, 17, 23, 0.95);
  border-bottom: 2px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.brand {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--neon-cyan);
  text-transform: uppercase;
  text-shadow: var(--glow-cyan);
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.brand::before {
  content: '>';
  margin-right: 0.5rem;
  color: var(--neon-pink);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.brand:hover {
  text-shadow: var(--glow-intense);
  transform: scale(1.05);
}

.header nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.header nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.header nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.header nav a:hover::before {
  left: 100%;
}

.header nav a:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* HUD-style subtitle */
.hero-subtitle {
  font-family: 'Courier New', monospace;
  color: var(--neon-cyan);
  font-size: 0.9rem;
  margin-top: 2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1.2s ease-out 0.4s both;
}

.hero-subtitle::before,
.hero-subtitle::after {
  content: '//';
  color: var(--neon-pink);
  margin: 0 1rem;
}

/* Product Grid */
.product-showcase {
  margin: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  box-shadow: var(--glow-cyan);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Product Card */
.product-card {
  background: var(--bg-panel);
  border: 2px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(50px);
}

.product-card.animate-in {
  animation: slideInProduct 0.6s ease-out forwards;
}

@keyframes slideInProduct {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Delay animations for each card */
.product-card:nth-child(1).animate-in { animation-delay: 0.1s; }
.product-card:nth-child(2).animate-in { animation-delay: 0.2s; }
.product-card:nth-child(3).animate-in { animation-delay: 0.3s; }
.product-card:nth-child(4).animate-in { animation-delay: 0.4s; }

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.product-card:hover::before {
  opacity: 1;
}

.product-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  z-index: -1;
  opacity: 0;
  border-radius: 8px;
  transition: opacity 0.4s ease;
}

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--neon-cyan);
  box-shadow: 0 10px 40px rgba(0, 217, 255, 0.3), 0 0 20px rgba(0, 217, 255, 0.2);
}

.product-card:hover::after {
  opacity: 1;
}

/* AI Showcase Section */
.ai-showcase {
  margin: 4rem 0;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(124, 77, 255, 0.05));
  border: 2px solid var(--border-subtle);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.ai-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  box-shadow: var(--glow-cyan);
}

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

.ai-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.ai-description h3 {
  font-size: 1.8rem;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: var(--glow-cyan);
}

.ai-description > p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.ai-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  text-align: left;
  display: inline-block;
}

.ai-features li {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 1rem 0;
  padding-left: 2.5rem;
  position: relative;
  line-height: 1.6;
}

.feature-icon {
  position: absolute;
  left: 0;
  font-size: 1.3rem;
  color: var(--neon-cyan);
}

.ai-tagline {
  font-size: 1rem;
  color: var(--neon-purple);
  margin-top: 2rem;
  font-style: italic;
  padding: 1rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.product-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

.product-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.product-card.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.product-card.disabled::before {
  display: none;
}

/* Status badge */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

.status-badge.coming-soon {
  background: rgba(124, 77, 255, 0.2);
  color: var(--neon-purple);
  border: 1px solid var(--neon-purple);
}

.status-badge.active {
  background: rgba(0, 217, 255, 0.2);
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem;
  border-top: 2px solid var(--border-subtle);
  background: rgba(13, 17, 23, 0.95);
  text-align: center;
  position: relative;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.social-icons {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.social-icon {
  color: var(--text-secondary);
  font-size: 1.5rem;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border: 2px solid var(--border-subtle);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
}

.social-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.3), transparent);
  transition: all 0.4s ease;
}

.social-icon:hover::before {
  width: 100px;
  height: 100px;
}

.social-icon:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  transform: scale(1.1) rotate(5deg);
}

.copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.05em;
}

/* Glitch effect for special elements */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.glitch::before {
  animation: glitch-1 2s infinite;
  color: var(--neon-cyan);
  z-index: -1;
}

.glitch::after {
  animation: glitch-2 2s infinite;
  color: var(--neon-pink);
  z-index: -2;
}

@keyframes glitch-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

@keyframes glitch-2 {
  0% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(2px, 2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(-2px, 2px); }
  100% { transform: translate(0); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .header nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Loading spinner for async operations */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--neon-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Hacker-style terminal log */
.terminal-log {
  background: #000;
  color: var(--neon-cyan);
  font-family: 'Courier New', monospace;
  padding: 1rem;
  border-radius: 4px;
  border: 1px solid var(--neon-cyan);
  box-shadow: inset 0 0 10px rgba(0, 217, 255, 0.2);
  max-height: 300px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.4;
}

.terminal-log::-webkit-scrollbar {
  width: 8px;
}

.terminal-log::-webkit-scrollbar-track {
  background: #000;
}

.terminal-log::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border-radius: 4px;
}

.terminal-line {
  margin: 0.25rem 0;
}

.terminal-line::before {
  content: '> ';
  color: var(--neon-pink);
}

.terminal-error {
  color: #ff006e;
}

.terminal-success {
  color: #00ff88;
}

.terminal-warning {
  color: #ffaa00;
}

/* AI Card specific styling */
.ai-card {
  cursor: default;
  pointer-events: none;
}

.ai-card ul {
  list-style-type: none;
  padding-left: 0;
}

.ai-card ul li {
  position: relative;
  padding-left: 1.25rem;
  margin: 0.25rem 0;
}

.ai-card ul li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
  font-weight: bold;
}