/* CSS Variables for AMOLED Theme */
:root {
  /* AMOLED Dark Theme (Default) */
  --primary-gradient: linear-gradient(135deg, #00D4FF 0%, #0099FF 25%, #6366F1 50%, #8B5CF6 75%, #A855F7 100%);
  --secondary-gradient: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  --accent-gradient: linear-gradient(135deg, #00D4FF 0%, #A855F7 100%);
  
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #111111;
  --bg-card: #1a1a1a;
  --bg-glass: rgba(26, 26, 26, 0.8);
  --bg-overlay: rgba(0, 0, 0, 0.9);
  
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  --text-accent: #00D4FF;
  
  --border-color: #333333;
  --border-accent: #444444;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.8);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

[data-theme="light"] {
  /* Light Theme Override */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-overlay: rgba(255, 255, 255, 0.95);
  
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-accent: #0099FF;
  
  --border-color: #e2e8f0;
  --border-accent: #cbd5e1;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(0, 153, 255, 0.2);
}

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

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

body {
  font-family: 'unbounded', -apple-system, BlinkMacSystemFont, 'Unbounded', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Background Animation */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0.1;
  animation: float 12s ease-in-out infinite;
  filter: blur(1px);
}

.particle-1 { width: 4px; height: 4px; left: 10%; top: 20%; animation-delay: 0s; }
.particle-2 { width: 6px; height: 6px; right: 15%; top: 10%; animation-delay: -2s; }
.particle-3 { width: 3px; height: 3px; left: 70%; top: 60%; animation-delay: -4s; }
.particle-4 { width: 5px; height: 5px; left: 20%; bottom: 20%; animation-delay: -1s; }
.particle-5 { width: 4px; height: 4px; right: 25%; bottom: 10%; animation-delay: -3s; }
.particle-6 { width: 7px; height: 7px; left: 50%; top: 80%; animation-delay: -5s; }
.particle-7 { width: 3px; height: 3px; left: 80%; top: 30%; animation-delay: -6s; }
.particle-8 { width: 5px; height: 5px; right: 40%; top: 70%; animation-delay: -7s; }

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0) rotate(0deg); }
  25% { transform: translateY(-20px) translateX(10px) rotate(90deg); }
  50% { transform: translateY(-40px) translateX(-10px) rotate(180deg); }
  75% { transform: translateY(-20px) translateX(5px) rotate(270deg); }
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'unbounded', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: block;
}

.nav-cta {
  padding: 0.75rem 1.5rem;
  background: var(--primary-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Hero Section */
.hero {
  padding: 8rem 0 6rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #00ff88;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  font-family: 'Unbounded', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: 'Unbounded', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-accent);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--primary-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

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

.primary-button:hover::before {
  left: 100%;
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.primary-button.large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.secondary-button:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-interface {
  width: 100%;
  max-width: 450px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  overflow: hidden;
  animation: floatInterface 8s ease-in-out infinite;
}

@keyframes floatInterface {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(0.5deg); }
  50% { transform: translateY(-20px) rotate(0deg); }
  75% { transform: translateY(-10px) rotate(-0.5deg); }
}

.interface-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.header-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.control-dots {
  display: flex;
  gap: 0.5rem;
}

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca42; }

.interface-title {
  font-family: 'Unbounded', monospace;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.model-selector {
  background: var(--bg-tertiary);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.active-model {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-accent);
}

.interface-content {
  padding: 1.5rem;
}

.message-thread {
  margin-bottom: 1.5rem;
  max-height: 200px;
  overflow-y: auto;
}

.message {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.message:last-child {
  margin-bottom: 0;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-avatar {
  background: var(--primary-gradient);
  color: #ffffff;
}

.ai-avatar {
  background: var(--bg-tertiary);
  color: var(--text-accent);
  border: 1px solid var(--border-color);
}

.user-message {
  flex-direction: row-reverse;
}

.user-message .message-content {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  max-width: 80%;
  font-size: 0.875rem;
}

.ai-message .message-content {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm) var(--radius-lg) var(--radius-lg) var(--radius-lg);
  max-width: 80%;
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
}

.typing-animation {
  display: flex;
  gap: 4px;
  padding: 0.25rem 0;
}

.typing-animation span {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.typing-animation span:nth-child(2) { animation-delay: 0.2s; }
.typing-animation span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-8px); }
}

.input-area {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.input-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
}

.input-placeholder {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.input-actions {
  display: flex;
  gap: 0.5rem;
}

.attach-btn, .send-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.send-btn {
  background: var(--primary-gradient);
  color: #ffffff;
}

.attach-btn:hover, .send-btn:hover {
  transform: scale(1.05);
}

/* AI Models Section */
.ai-models {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.model-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.model-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.model-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-accent);
}

.model-card:hover::before {
  transform: scaleX(1);
}

.model-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
              var(--primary-gradient) border-box;
}

.model-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: #ffffff;
  position: relative;
}

.model-icon.gpt { background: linear-gradient(135deg, #10a37f 0%, #1a7f64 100%); }
.model-icon.claude { background: linear-gradient(135deg, #cc785c 0%, #a0522d 100%); }
.model-icon.gemini { background: linear-gradient(135deg, #4285f4 0%, #34a853 50%, #fbbc05 75%, #ea4335 100%); }
.model-icon.llama { background: linear-gradient(135deg, #405de6 0%, #5851db 100%); }

.model-card h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.model-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.model-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.feature {
  background: var(--bg-secondary);
  color: var(--text-accent);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.feature-card h3 {
  font-family: 'Unbounded', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-metrics {
  display: flex;
  gap: 2rem;
}

.metric {
  text-align: center;
}

.metric-value {
  font-family: 'Unbounded', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-accent);
  display: block;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.security-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  background: var(--bg-secondary);
  color: var(--text-accent);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.capabilities-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.capabilities-list span {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding-left: 1rem;
  position: relative;
}

.capabilities-list span::before {
  content: '•';
  color: var(--text-accent);
  position: absolute;
  left: 0;
}

.community-stats {
  display: flex;
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: 'Unbounded', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-accent);
  display: block;
}

.stat-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-highlight {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  justify-content: center;
}

.price {
  font-family: 'Unbounded', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-accent);
}

.price-unit {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.api-features {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.api-feature {
  background: var(--bg-secondary);
  color: var(--text-accent);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* Testimonials Section */
.testimonials {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-content {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.author-title {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: var(--bg-primary);
  text-align: center;
  position: relative;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-glow);
}

.cta-content h2 {
  font-family: 'Unbounded', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.cta-actions {
  margin-bottom: 2rem;
}

.cta-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.link-group h4 {
  font-family: 'Unbounded', sans-serif;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.link-group a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}

.link-group a:hover {
  color: var(--text-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-social span {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-social a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-social a:hover {
  color: var(--text-accent);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
}

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .nav-container {
    padding: 1rem;
  }
  
  .brand-tagline {
    display: none;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
    padding: 6rem 0 4rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .hero-stats {
    justify-content: center;
    gap: 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .primary-button,
  .secondary-button {
    width: 100%;
    justify-content: center;
  }
  
  .models-grid,
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature-card {
    padding: 2rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 0.875rem;
  }
  
  .brand-name {
    font-size: 1.25rem;
  }
  
  .status-badge {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
  
  .hero-stats {
    gap: 1rem;
  }
  
  .stat-number {
    font-size: 1.25rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

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

/* Focus styles */
button:focus,
a:focus {
  outline: 2px solid var(--text-accent);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --text-secondary: #ffffff;
  }
}

/* Print styles */
@media print {
  .nav,
  .background-animation,
  .cta-section,
  .footer {
    display: none;
  }
  
  .hero,
  .features,
  .ai-models {
    page-break-inside: avoid;
  }
}