/* ================================
   Ghost Overlay AI - Global Styles
   ================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #141419;
  --bg-card: rgba(20, 20, 25, 0.8);
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-color: rgba(255, 255, 255, 0.1);
  --glow-color: rgba(99, 102, 241, 0.3);
  --success-color: #10b981;
  --warning-color: #f59e0b;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
  text-align: center;
}

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

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

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

.btn-secondary:hover {
  background: var(--accent-primary);
  color: white;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-primary);
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-gradient);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Hero Sections */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  z-index: 2;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Background Effects */
.bg-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  pointer-events: none;
}

.bg-gradient-1 {
  background: var(--accent-primary);
  top: -200px;
  left: -200px;
}

.bg-gradient-2 {
  background: var(--accent-secondary);
  bottom: -200px;
  right: -200px;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--accent-primary);
  border-radius: 2rem;
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-primary);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-plan {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-price span {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

.pricing-period {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li:before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Blog Cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.blog-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.blog-image {
  width: 100%;
  height: 200px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-content {
  padding: 2rem;
}

.blog-date {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.blog-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.blog-excerpt {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Download Page */
.download-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.os-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.os-card.available {
  border-color: var(--success-color);
}

.os-card.coming-soon {
  opacity: 0.6;
}

.os-card:hover.available {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(16, 185, 129, 0.2);
}

.os-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.os-name {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.os-status {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.requirements {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 3rem;
  margin-top: 3rem;
}

.requirements h3 {
  margin-bottom: 1.5rem;
}

.requirements ul {
  list-style: none;
}

.requirements li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.requirements li:before {
  content: "•";
  color: var(--accent-primary);
  font-size: 1.5rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* Ganesha Page Specific */
.ganesha-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.ganesha-illustration {
  width: 300px;
  height: 300px;
  margin-bottom: 3rem;
  position: relative;
}

.ganesha-glow {
  width: 100%;
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: pulse 3s ease-in-out infinite;
}

.ganesha-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 8rem;
  opacity: 0.9;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

.ganesha-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ganesha-tagline {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-style: italic;
}

/* Use Cases Grid */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.use-case-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.use-case-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.use-case-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.use-case-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-primary);
  border-radius: 1.5rem;
  padding: 4rem 2rem;
  text-align: center;
  margin: 4rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-gradient);
  opacity: 0.05;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .container,
  .container-wide {
    padding: 0 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .ganesha-illustration {
    width: 200px;
    height: 200px;
  }
  
  .ganesha-icon {
    font-size: 5rem;
  }
  
  .pricing-price {
    font-size: 2.5rem;
  }
}

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

/* Loading Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Spinner Animation */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
  margin-right: 0.5rem;
  vertical-align: text-bottom;
}