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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --gray: #64748b;
  --light: #f1f5f9;
  --white: #ffffff;
  --success: #10b981;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
}

.nav-logo img {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

.nav-links a.btn-primary {
  color: var(--white);
  background: var(--gradient);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-links a.btn-primary:hover {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 3px;
  transition: 0.3s;
}

/* Buttons */
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  display: inline-block;
}

/* Hero Section */
.hero {
  padding: 120px 20px 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

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

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

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

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

/* Code Preview */
.hero-visual {
  position: relative;
}

.code-window {
  background: var(--dark);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: float 6s ease-in-out infinite;
}

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

.window-header {
  background: #1e293b;
  padding: 12px;
  display: flex;
  gap: 8px;
}

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

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.code-content {
  padding: 20px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #e2e8f0;
}

.code-tag { color: #f472b6; }
.code-attr { color: #60a5fa; }
.code-string { color: #34d399; }
.code-selector { color: #fbbf24; }
.code-property { color: #60a5fa; }
.code-value { color: #34d399; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.scroll-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  animation: bounce 2s infinite;
}

.scroll-link:hover {
  color: var(--primary);
  transform: translateY(5px);
}

.scroll-link svg {
  opacity: 0.7;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Features Section */
.features {
  padding: 80px 20px;
  background: var(--white);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--dark);
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

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

.feature-card {
  padding: 2rem;
  background: var(--light);
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
  padding: 80px 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

/* Examples Showcase Section */
.examples-showcase {
  padding: 80px 20px;
  background: var(--white);
}

.steps {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.step {
  text-align: center;
  max-width: 250px;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.step p {
  color: var(--gray);
}

.step-arrow {
  font-size: 2rem;
  color: var(--primary);
  font-weight: 300;
}

.examples-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.example-preview-card {
  background: var(--light);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.example-preview-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.example-preview-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.example-preview-card p {
  color: var(--gray);
  line-height: 1.6;
}

.examples-cta {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
  border-radius: 16px;
}

.examples-cta p {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 1.5rem;
}

/* CTA Section */
.cta-section {
  padding: 100px 20px;
  background: var(--gradient);
  text-align: center;
}

.cta-content h2 {
  font-size: 3rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.cta-buttons .btn-primary {
  background: var(--white);
  color: var(--primary);
}

.cta-buttons .btn-primary:hover {
  background: var(--light);
  transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
  border-color: var(--white);
  color: var(--white);
}

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

.cta-note {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 60px 20px 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-section p {
  color: var(--gray);
  line-height: 1.6;
}

.footer-section a {
  display: block;
  color: var(--gray);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

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

.btn-feedback {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  margin-top: 1rem;
  transition: background 0.3s;
}

.btn-feedback:hover {
  background: var(--primary-dark);
}

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

/* Feedback Modal */
.feedback-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.feedback-modal.active {
  display: flex;
}

.feedback-content {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 16px;
  max-width: 500px;
  width: 90%;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
}

.close-btn:hover {
  color: var(--dark);
}

.feedback-content h3 {
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.feedback-content textarea {
  width: 100%;
  min-height: 150px;
  padding: 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
  resize: vertical;
}

.feedback-content textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.thank-you {
  text-align: center;
  color: var(--success);
  font-size: 1.25rem;
  margin-top: 1rem;
}

.thank-you.hidden {
  display: none;
}

/* Responsive Design */
@media (max-width: 968px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

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

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

  .cta-content h2 {
    font-size: 2rem;
  }

  .step-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

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