/* Demo-specific styles */

/* Hero Section */
.hero-section {
  padding: 4rem 0;
  background: linear-gradient(
    135deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 100%
  );
  margin-bottom: 3rem;
}

.hero-content {
  text-align: center;
  margin-bottom: 3rem;
}

.hero-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-visual {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

#demo-canvas {
  width: 100%;
  height: 400px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
}

.demo-controls {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.control-group {
  margin-bottom: 1.5rem;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-group label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.control-group .btn {
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Features Section */
.features-section {
  padding: 3rem 0;
  margin-bottom: 3rem;
}

.features-section h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

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

.feature-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* Live Demo Section */
.live-demo-section {
  padding: 3rem 0;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  margin-bottom: 3rem;
}

.live-demo-section h3 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.conversion-demo {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.input-section {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.input-section label {
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

.input-section label:first-child {
  margin-top: 0;
}

.conversion-results {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.conversion-results h4 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.scheme-results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.scheme-result {
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.scheme-result strong {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

/* Code Examples Section */
.code-examples-section {
  padding: 3rem 0;
  margin-bottom: 3rem;
}

.code-examples-section h3 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.code-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.tab-button {
  background: none;
  border: none;
  padding: 1rem 2rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.tab-button:hover {
  color: var(--text-primary);
}

.tab-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  max-width: 900px;
  margin: 0 auto;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-pane pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-visual {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .conversion-demo {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .hero-content p {
    font-size: 1rem;
  }

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

  .code-tabs {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .tab-button {
    padding: 0.75rem 1.5rem;
  }
}