/* ==========================================================================
   AiHub.sol - Reusable Cards, Badges & Category Grid Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Statistics Strip Bar
   -------------------------------------------------------------------------- */
.stats-strip {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.75rem;
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: var(--border-subtle);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.section-title-wrap h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-title-wrap p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.section-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: transform var(--transition-fast);
}

.section-link:hover {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   AI Resource Card (Universal Card for Tools, Agents, Models, Apps)
   -------------------------------------------------------------------------- */
.ai-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.6rem;
}

.ai-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}

.ai-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background-color: var(--bg-surface-elevated);
}

.ai-card:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 3px;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.ai-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.ai-card-identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.ai-card-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  padding: 4px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

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

.ai-card-names h3,
.ai-card-names .ai-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  transition: color var(--transition-fast);
}

.ai-card:hover .ai-card-names h3,
.ai-card:hover .ai-card-names .ai-card-title,
.ai-card-names a:hover h3 {
  color: var(--accent-orange);
}

.ai-card-company {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.15rem;
}

.ai-card-bookmark {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.ai-card-bookmark:hover,
.ai-card-bookmark.active {
  color: var(--accent-orange);
}

.ai-card-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.35rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.825rem;
}

.ai-card-rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  color: #ffffff;
}

.ai-card-rating-star {
  color: var(--accent-orange);
  font-size: 0.95rem;
}

.ai-card-tags {
  display: flex;
  gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   Category Cards Grid
   -------------------------------------------------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.35rem;
}

.category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.category-card:hover {
  border-color: var(--accent-orange);
  background-color: var(--bg-surface-elevated);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.category-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-orange-subtle);
  border: 1px solid rgba(255, 122, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  flex-shrink: 0;
}

.category-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.category-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Community CTA Section
   -------------------------------------------------------------------------- */
.community-cta-section {
  padding: 4.5rem 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 122, 0, 0.08) 0%, transparent 70%),
              var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.community-cta-content {
  max-width: 680px;
  margin: 0 auto;
}

.community-cta-content h2 {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.community-cta-content p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.community-cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Responsive Cards, Stats & Grids Layout
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 1rem;
  }
  
  .stat-item:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .stats-strip {
    padding: 1.25rem 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 0.75rem;
  }

  .stat-item:last-child {
    grid-column: 1 / -1;
  }

  .stat-item::after {
    display: none !important;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.725rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .section-title-wrap h2 {
    font-size: 1.45rem;
  }

  .section-title-wrap p {
    font-size: 0.85rem;
  }

  .ai-card-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .ai-card {
    padding: 1.15rem;
  }

  .ai-card-names h3 {
    font-size: 1.05rem;
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .category-card {
    padding: 1rem;
  }

  .community-cta-section {
    padding: 3rem 0;
  }

  .community-cta-content h2 {
    font-size: 1.75rem;
  }

  .community-cta-content p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .community-cta-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .community-cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 360px) {
  .stat-value {
    font-size: 1.35rem;
  }

  .section-title-wrap h2 {
    font-size: 1.3rem;
  }

  .community-cta-content h2 {
    font-size: 1.5rem;
  }
}