/* Neural Graph Visualizer — Page-specific styles */

/* Feature grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* Use case grid */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}
.usecase-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.75rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.usecase-card:hover {
  border-color: rgba(138, 92, 246, 0.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.usecase-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}
.usecase-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.usecase-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* MCP tool list */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}
.tool-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text);
  transition: border-color 0.3s;
}
.tool-item:hover {
  border-color: rgba(138, 92, 246, 0.3);
}

/* Showcase gallery */
.showcase-gallery {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}
.showcase-gallery .screenshot {
  margin: 0 auto;
  padding: 0;
  max-width: 100%;
}
.showcase-gallery .screenshot img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  display: block;
}
.showcase-gallery figcaption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 16px;
}

/* Purple accent for this page */
.ng-accent { color: #8a5cf6; }
.ng-accent-bg { background: rgba(138, 92, 246, 0.08); color: #8a5cf6; }

/* Data format section */
.data-format-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .data-format-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
}