/* GPT-5 Launch Report - Advanced Technology Styling */

/* CSS Variables for Consistent Design System */
:root {
  /* Primary Color Palette */
  --neural-blue: #1a1a2e;
  --ai-cyan: #16213e;
  --electric-purple: #6c5ce7;
  --quantum-green: #00b894;
  --neural-orange: #fd79a8;
  
  /* Accent Colors */
  --bright-white: #ffffff;
  --soft-gray: #f8f9fa;
  --dark-gray: #2d3436;
  --success-green: #00b894;
  --warning-orange: #fdcb6e;
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--neural-blue) 0%, var(--electric-purple) 100%);
  --secondary-gradient: linear-gradient(135deg, var(--ai-cyan) 0%, var(--quantum-green) 100%);
  --accent-gradient: linear-gradient(135deg, var(--electric-purple) 0%, var(--neural-orange) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', 'Monaco', 'Consolas', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--dark-gray);
  background: var(--bright-white);
  overflow-x: hidden;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--neural-blue);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--ai-cyan);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Navigation Styles */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bright-white);
  text-decoration: none;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--bright-white);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 6px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: rgba(108, 92, 231, 0.2);
  transform: translateY(-2px);
}

.nav-link.active {
  background: var(--electric-purple);
  color: var(--bright-white);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

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

.hero-content {
  max-width: 800px;
  padding: var(--spacing-md);
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--bright-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.metric {
  text-align: center;
  color: var(--bright-white);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  display: block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bright-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--bright-white);
  color: var(--neural-blue);
}

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

.section:nth-child(even) {
  background: var(--soft-gray);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.section-subtitle {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

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

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Card Styles */
.card {
  background: var(--bright-white);
  border-radius: 12px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid rgba(108, 92, 231, 0.1);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--electric-purple);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--secondary-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-sm);
  color: var(--bright-white);
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.3rem;
  color: var(--neural-blue);
  margin: 0;
}

/* Feature Highlights */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: var(--bright-white);
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

/* Benchmark Tables */
.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background: var(--bright-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.benchmark-table th,
.benchmark-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid #eee;
}

.benchmark-table th {
  background: var(--primary-gradient);
  color: var(--bright-white);
  font-weight: 600;
}

.benchmark-table tr:hover {
  background: var(--soft-gray);
}

.score-high {
  color: var(--success-green);
  font-weight: 700;
}

.score-medium {
  color: var(--warning-orange);
  font-weight: 700;
}

/* Code Blocks */
.code-block {
  background: var(--neural-blue);
  color: var(--bright-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
  margin: var(--spacing-sm) 0;
  position: relative;
}

.code-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

/* FAQ Styles */
.faq-item {
  background: var(--bright-white);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-md);
  background: var(--soft-gray);
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.faq-question:hover {
  background: var(--electric-purple);
  color: var(--bright-white);
}

.faq-answer {
  padding: var(--spacing-md);
  display: none;
}

.faq-answer.active {
  display: block;
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.pricing-card {
  background: var(--bright-white);
  border-radius: 16px;
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
  border: 2px solid transparent;
}

.pricing-card.featured {
  border-color: var(--electric-purple);
  transform: scale(1.05);
}

.pricing-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--neural-blue);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  padding: var(--spacing-xs) 0;
  color: #666;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: bold;
  margin-right: var(--spacing-xs);
}

/* Footer */
.footer {
  background: var(--neural-blue);
  color: var(--bright-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--bright-white);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--neural-orange);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero-metrics {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-content {
    padding: var(--spacing-sm);
  }
  
  .card,
  .feature-card {
    padding: var(--spacing-sm);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .hero,
  .footer {
    display: none;
  }
  
  .section {
    page-break-inside: avoid;
    padding: var(--spacing-sm) 0;
  }
  
  .card,
  .feature-card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  h1, h2, h3 {
    color: #000 !important;
    background: none !important;
    -webkit-text-fill-color: initial !important;
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Styles */
*:focus {
  outline: 2px solid var(--electric-purple);
  outline-offset: 2px;
}

.btn:focus,
.nav-link:focus {
  outline: 2px solid var(--bright-white);
}