/* Glassmorphism Blur Design System */

:root {
  /* Glassmorphism Foundation */
  --glass-primary: rgba(255, 255, 255, 0.1);
  --glass-secondary: rgba(255, 255, 255, 0.05);
  --glass-tertiary: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-border-hover: rgba(255, 255, 255, 0.3);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --glass-shadow-strong: rgba(0, 0, 0, 0.2);
  --glass-backdrop-blur: blur(20px);
  --glass-backdrop-saturate: saturate(180%);
  
  /* Color Palette */
  --bg-primary: linear-gradient(135deg, #0f0f1e 0%, #1a0d2e 100%);
  --text-primary: #ffffff;
  --text-secondary: #e0e7ff;
  --text-muted: #a5b4fc;
  --accent-cyan: #00d4ff;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Glass Background with Floating Shapes */
.glass-background {
  position: relative;
  min-height: 100vh;
  background: var(--bg-primary);
}

.floating-shapes {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0.1;
  filter: blur(2px);
  animation: float 8s ease-in-out infinite;
}

.shape-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 20%;
  animation-delay: -3s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 60%;
  animation-delay: -6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* Glass Card Component */
.glass-card {
  background: var(--glass-primary);
  backdrop-filter: var(--glass-backdrop-blur) var(--glass-backdrop-saturate);
  -webkit-backdrop-filter: var(--glass-backdrop-blur) var(--glass-backdrop-saturate);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    transparent 50%,
    rgba(255, 255, 255, 0.05) 100%);
  border-radius: inherit;
  pointer-events: none;
}

/* Header */
.glass-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--space-4) var(--space-6);
}

.glass-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--glass-secondary);
  backdrop-filter: var(--glass-backdrop-blur);
  -webkit-backdrop-filter: var(--glass-backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  box-shadow: 0 4px 16px var(--glass-shadow);
}

.glass-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-cyan);
}

.glass-nav-links {
  display: flex;
  gap: var(--space-6);
}

.glass-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.glass-link:hover {
  color: var(--text-primary);
  background: var(--glass-secondary);
  transform: translateY(-1px);
}

.glass-link:focus {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Main Content */
.glass-main {
  position: relative;
  z-index: 1;
  padding: 0 var(--space-6);
}

/* Hero Section */
.glass-hero {
  padding: var(--space-20) 0;
  text-align: center;
}

.glass-hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
}

.glass-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.glass-description {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.glass-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.glass-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.glass-btn:hover::before {
  left: 100%;
}

.glass-btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--text-primary);
  border: 1px solid transparent;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.glass-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

.glass-btn-secondary {
  background: var(--glass-primary);
  backdrop-filter: var(--glass-backdrop-blur);
  -webkit-backdrop-filter: var(--glass-backdrop-blur);
  color: var(--text-primary);
}

.glass-btn-secondary:hover {
  background: var(--glass-secondary);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
}

.glass-btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.glass-btn:focus {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Features Section */
.glass-features {
  padding: var(--space-20) 0;
}

.glass-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  padding: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

.glass-feature {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--glass-secondary);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.glass-feature:hover {
  background: var(--glass-primary);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--glass-shadow-strong);
}

.glass-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: var(--radius-lg);
  color: white;
}

.glass-feature-icon svg {
  width: 32px;
  height: 32px;
}

.glass-feature h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.glass-feature p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Showcase Section */
.glass-showcase {
  padding: var(--space-20) 0;
}

.glass-showcase-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  text-align: center;
}

.glass-showcase h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.glass-showcase p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.glass-demo {
  margin-top: var(--space-8);
}

.glass-terminal {
  background: var(--glass-secondary);
  backdrop-filter: var(--glass-backdrop-blur);
  -webkit-backdrop-filter: var(--glass-backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 8px 32px var(--glass-shadow);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-tertiary);
  border-bottom: 1px solid var(--glass-border);
}

.terminal-controls {
  display: flex;
  gap: var(--space-2);
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.terminal-title {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.terminal-content {
  padding: var(--space-4);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: var(--font-size-sm);
}

.terminal-line {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.terminal-line:first-child {
  color: var(--accent-cyan);
}

/* CTA Section */
.glass-cta {
  padding: var(--space-20) 0;
}

.glass-cta-content {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8);
  text-align: center;
}

.glass-cta h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.glass-cta p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

/* Footer */
.glass-footer {
  margin-top: var(--space-20);
  padding: var(--space-16) var(--space-6) var(--space-8);
  background: var(--glass-tertiary);
  backdrop-filter: var(--glass-backdrop-blur);
  -webkit-backdrop-filter: var(--glass-backdrop-blur);
  border-top: 1px solid var(--glass-border);
}

.glass-footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto var(--space-12);
}

.glass-footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.glass-footer-section ul {
  list-style: none;
}

.glass-footer-section li {
  margin-bottom: var(--space-2);
}

.glass-footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .glass-nav {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4);
  }
  
  .glass-nav-links {
    gap: var(--space-4);
  }
  
  .glass-title {
    font-size: var(--font-size-3xl);
  }
  
  .glass-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .glass-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .glass-btn {
    width: 100%;
    max-width: 300px;
  }
  
  .glass-feature-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .glass-main {
    padding: 0 var(--space-4);
  }
  
  .glass-hero {
    padding: var(--space-12) 0;
  }
  
  .glass-features,
  .glass-showcase,
  .glass-cta {
    padding: var(--space-12) 0;
  }
}

@media (max-width: 480px) {
  .glass-hero-content,
  .glass-showcase-content,
  .glass-cta-content {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  
  .shape {
    display: none;
  }
  
  .glass-footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .shape {
    animation: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-primary: rgba(255, 255, 255, 0.2);
    --glass-border: rgba(255, 255, 255, 0.4);
    --text-muted: #d1d5db;
  }
}

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(20px)) {
  .glass-card,
  .glass-nav,
  .glass-btn-secondary,
  .glass-terminal,
  .glass-footer {
    background: rgba(15, 15, 30, 0.9);
  }
  
  .glass-feature {
    background: rgba(15, 15, 30, 0.7);
  }
}