/* Modern Dark Theme for Soulcraft */
/* Inspired by the Brainy logo colors and modern minimal design */

:root {
  /* Color palette from Brainy logo */
  --primary-teal: #2a9d8f;
  --primary-orange: #e76f51;
  --accent-coral: #f4a261;
  --cream: #f1e7dc;
  --dark-green: #264653;
  
  /* Dark theme colors */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --border-subtle: #21262d;
  
  /* Text colors */
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --text-bright: #ffffff;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Fira Mono', monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-bright);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-coral);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Demo sub-navigation container - perfect grid alignment with nav content */
.demo-subnav-container {
  max-width: 1400px; /* Match nav-container max-width */
  margin: 0 auto;
  padding: 0 1.25rem; /* Move content right for perfect grid alignment */
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Navigation */
.nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(22, 27, 34, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-bright);
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-2xl);
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--text-bright);
}

/* Active page indicator with subtle glow */
.nav-link.active {
  color: var(--primary-teal);
  text-shadow: 0 0 20px rgba(42, 157, 143, 0.5);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-teal), transparent);
  animation: glow-pulse 2s ease-in-out infinite;
}

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

/* Mobile Navigation */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-secondary);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    padding: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-links li {
    margin: 1rem 0;
    text-align: center;
  }
  
  .nav-link {
    font-size: 1.125rem;
    display: block;
    padding: 1rem;
  }
}

/* Hero Section */
.hero {
  padding: var(--space-4xl) 0;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  font-weight: 400;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-orange) 100%);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(42, 157, 143, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(42, 157, 143, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--text-muted);
}

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

.btn-ghost:hover {
  background: var(--bg-tertiary);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--primary-teal);
  box-shadow: 0 4px 12px rgba(42, 157, 143, 0.1);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: var(--text-bright);
}

.card-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.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));
}

/* Features Section */
.features {
  padding: var(--space-4xl) 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.feature-card {
  padding: var(--space-xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-teal);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  color: var(--primary-teal);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--text-bright);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Code blocks */
.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  overflow-x: auto;
}

pre {
  margin: 0;
  color: var(--text-primary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.125em 0.25em;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--primary-teal);
}

/* Terminal/Console styles */
.terminal {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
}

.terminal-dot.red {
  background: #ff5f57;
}

.terminal-dot.yellow {
  background: #ffbd2e;
}

.terminal-dot.green {
  background: #28ca42;
}

.terminal-body {
  padding: 1.5rem 2rem;
  min-height: 200px;
  color: var(--text-primary);
  line-height: 1.6;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.terminal-body code {
  background: transparent;
  padding: 0;
  color: inherit;
}

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.pricing-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card.featured {
  border-color: var(--primary-teal);
  box-shadow: 0 0 0 2px var(--primary-teal);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: var(--space-xl);
  background: linear-gradient(135deg, var(--primary-teal), var(--primary-orange));
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.pricing-tier {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-teal);
  margin-bottom: var(--space-lg);
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

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

.pricing-feature {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-feature::before {
  content: "✓";
  color: var(--primary-teal);
  font-weight: bold;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
}

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

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

.footer-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: 1.25rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--space-3xl);
}

/* Hamburger Menu - Hidden by default */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    padding: 1.5rem 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
    line-height: 1.2;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.5;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
    padding: var(--space-md);
  }
  
  .terminal-submit {
    min-height: 48px;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
  }
  
  /* Better grid stacking */
  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  /* Card spacing */
  .card,
  .feature-card,
  .pricing-card {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
  
  /* Mobile-optimized hero button layout */
  .hero .btn {
    display: block;
    margin: var(--space-md) auto;
  }
}  /* END OF 480px MEDIA QUERY */


/* Traditional animations for reduced-motion users */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Glow effects */
.glow-teal {
  box-shadow: 0 0 20px rgba(42, 157, 143, 0.3);
}

.glow-orange {
  box-shadow: 0 0 20px rgba(231, 111, 81, 0.3);
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Cache bust: 2025-08-13-nav-perfect-alignment */