/* Cyber Theme Styles */
:root {
  --primary-color: #00ffff;
  --secondary-color: #ff00ff;
  --accent-color: #00ff00;
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-light: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: #333;
  --glow-primary: rgba(0, 255, 255, 0.5);
  --glow-secondary: rgba(255, 0, 255, 0.5);
  --gradient-primary: linear-gradient(135deg, #00ffff, #0080ff);
  --gradient-secondary: linear-gradient(135deg, #ff00ff, #ff0080);
}

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

body {
  font-family: 'Orbitron', 'Roboto Mono', monospace;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
  z-index: -1;
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* Navbar */
.navbar {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-color);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px var(--glow-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-menu a:hover {
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-primary);
}

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

/* Language Switcher */
.language-switch {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-left: 30px;
  padding-left: 30px;
  border-left: 1px solid var(--border-color);
}

.language-switch a {
  padding: 5px 15px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.language-switch a.active {
  background: var(--gradient-primary);
  color: var(--bg-dark);
  border-color: var(--primary-color);
}

.language-switch a:hover:not(.active) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  margin-top: 70px;
  padding: 100px 0;
  background: radial-gradient(ellipse at center, rgba(0, 255, 255, 0.1) 0%, transparent 70%);
  position: relative;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 20s infinite ease-in-out;
}

.hero::before {
  background: var(--primary-color);
  top: -150px;
  left: -150px;
}

.hero::after {
  background: var(--secondary-color);
  bottom: -150px;
  right: -150px;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  letter-spacing: 3px;
  animation: glow-text 2s ease-in-out infinite alternate;
}

@keyframes glow-text {
  from { filter: drop-shadow(0 0 20px var(--glow-primary)); }
  to { filter: drop-shadow(0 0 30px var(--glow-secondary)); }
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  letter-spacing: 1px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* Buttons */
.btn {
  padding: 15px 40px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-dark);
  box-shadow: 0 4px 20px var(--glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--glow-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--bg-dark);
  box-shadow: 0 4px 20px var(--glow-primary);
}

/* Sections */
.section {
  padding: 80px 0;
  position: relative;
}

.section-dark {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient-primary);
  box-shadow: 0 0 20px var(--glow-primary);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: inline-block;
  filter: drop-shadow(0 0 20px var(--glow-primary));
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Code Blocks */
pre {
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin: 20px 0;
  position: relative;
}

pre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

code {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.9rem;
  color: var(--primary-color);
}

/* Demo Section */
.demo-description {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 40px;
}

.demo-actions {
  text-align: center;
}

.btn-large {
  font-size: 1.1rem;
  padding: 20px 50px;
}

.btn-icon {
  display: inline-block;
  margin-right: 10px;
  font-size: 1.3rem;
}

/* Footer */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 50px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-color);
  text-shadow: 0 0 10px var(--glow-primary);
}

.footer-bottom {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 30px;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

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

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

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