/* CogniWiss Premium Design System */
/* Dark Theme with Glassmorphism */

:root {
  /* Colors */
  --primary: #00d4ff;
  --primary-glow: rgba(0, 212, 255, 0.3);
  --secondary: #8b5cf6;
  --secondary-glow: rgba(139, 92, 246, 0.3);
  --accent: #10b981;
  --bg-dark: #0a0f1c;
  --bg-card: rgba(15, 23, 42, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Effects */
  --shadow-glow: 0 0 40px var(--primary-glow);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --blur: blur(20px);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background */
.bg-gradient {
  position: fixed;
  inset: 0;
  background: radial-gradient(
      ellipse 80% 50% at 50% -20%,
      var(--primary-glow),
      transparent
    ),
    radial-gradient(
      ellipse 60% 40% at 80% 60%,
      var(--secondary-glow),
      transparent
    ),
    var(--bg-dark);
  z-index: -1;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  backdrop-filter: var(--blur);
  background: rgba(10, 15, 28, 0.8);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px var(--primary-glow);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-text h1 {
  margin-bottom: var(--space-md);
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.stat {
  text-align: left;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}

.hero-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: var(--primary);
  filter: blur(150px);
  opacity: 0.3;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Features Section */
.features {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: var(--space-sm);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-lg);
  backdrop-filter: var(--blur);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--primary-glow),
    var(--secondary-glow)
  );
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
}

/* Pricing Section */
.pricing {
  padding: var(--space-2xl) 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: var(--blur);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured::before {
  content: "Most Popular";
  position: absolute;
  top: 20px;
  right: -35px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 5px 40px;
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg);
}

.pricing-tier {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  margin: var(--space-sm) 0;
}

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

.pricing-credits {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

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

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

.pricing-features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

/* CTA Section */
.cta {
  padding: var(--space-2xl) 0;
}

.cta-box {
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.1),
    rgba(139, 92, 246, 0.1)
  );
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box h2 {
  margin-bottom: var(--space-sm);
}

.cta-box p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border);
  margin-top: var(--space-2xl);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Code Block */
.code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
}

.code-block .comment {
  color: var(--text-muted);
}
.code-block .keyword {
  color: var(--secondary);
}
.code-block .string {
  color: var(--accent);
}
.code-block .function {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
  }

  .stat {
    text-align: center;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

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

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.5;
  }
}

.hero-image {
  animation: float 6s ease-in-out infinite;
}

.hero-glow {
  animation: pulse-glow 4s ease-in-out infinite;
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* How It Works Section */
.how-it-works {
  padding: var(--space-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(0, 212, 255, 0.03),
    transparent
  );
}

.steps-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  backdrop-filter: var(--blur);
  transition: var(--transition);
  width: 280px;
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.step-card h3 {
  margin-bottom: var(--space-xs);
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0.5;
}

@media (max-width: 900px) {
  .step-connector {
    display: none;
  }
  .steps-grid {
    flex-direction: column;
  }
}

/* Context Engine Section */
.context-engine {
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.context-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.context-text {
  position: relative;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(
    135deg,
    var(--primary-glow),
    var(--secondary-glow)
  );
  border: 1px solid var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.context-text h2 {
  margin-bottom: var(--space-md);
}

.context-text > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

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

.context-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
}

.context-features .check {
  color: var(--accent);
  font-weight: 700;
}

.context-visual {
  position: relative;
}

.context-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--secondary);
  filter: blur(150px);
  opacity: 0.2;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.code-preview {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid var(--border);
}

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

.dot.red {
  background: #ff5f57;
}
.dot.yellow {
  background: #febc2e;
}
.dot.green {
  background: #28c840;
}

.file-name {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.code-content {
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
  overflow-x: auto;
}

.code-content .keyword {
  color: var(--secondary);
}
.code-content .function {
  color: var(--primary);
}
.code-content .comment {
  color: var(--text-muted);
}
.code-content .ai-suggestion {
  color: var(--accent);
  opacity: 0.9;
  background: rgba(16, 185, 129, 0.1);
  display: block;
  padding: 4px;
  border-radius: 4px;
  border-left: 2px solid var(--accent);
  margin-top: 4px;
}

@media (max-width: 1024px) {
  .context-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .context-visual {
    order: -1;
  }
}

/* Use Cases Section */
.use-cases {
  padding: var(--space-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(139, 92, 246, 0.03),
    transparent
  );
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: var(--blur);
  transition: var(--transition);
}

.use-case-card:hover {
  transform: translateY(-5px);
  border-color: var(--secondary);
  box-shadow: 0 0 40px var(--secondary-glow);
}

.use-case-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.use-case-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.use-case-card > p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.use-case-card ul {
  list-style: none;
}

.use-case-card li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.use-case-card li::before {
  content: "→";
  color: var(--primary);
}

/* Testimonials Section */
.testimonials {
  padding: var(--space-2xl) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: var(--blur);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.testimonial-content {
  margin-bottom: var(--space-lg);
}

.testimonial-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

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

.author-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Integrations Section */
.integrations {
  padding: var(--space-2xl) 0;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(0, 212, 255, 0.03),
    transparent
  );
}

.integrations-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.integration-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}

.integration-logo:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.integration-icon {
  font-size: 1.8rem;
}

.integration-logo span:last-child {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Enhanced Animations */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-text {
  background-size: 200% 200%;
  animation: gradient-shift 5s ease infinite;
}