/* Hub Page Styles */

.hub-container {
  max-width: 1162px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* --- Hub Intro Section --- */

.hub-intro {
  max-width: 720px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.hub-intro-content p {
  margin: 0 0 1rem 0;
  color: #555;
  font-family: 'Lora', 'Times New Roman', serif;
  font-size: 1.1rem;
  line-height: 1.8;
}

.hub-intro-count {
  display: inline-block;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0085A1;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.hub-intro-icon {
  display: none;
}

/* --- Hub Layout (Main + Sidebar) --- */

.hub-layout {
  display: flex;
  gap: 3rem;
}

.hub-main {
  flex: 1;
  min-width: 0;
}

.hub-sidebar {
  width: 342px;
  flex-shrink: 0;
  align-self: stretch;
}

/* --- Hub Section Headers (for sub-grouped hubs) --- */

.hub-section {
  margin-bottom: 2.5rem;
}

.hub-section:last-child {
  margin-bottom: 0;
}

.hub-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a202c;
  margin: 0 0 0.5rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e5e7eb;
}

.hub-section-title i {
  color: #0085A1;
  font-size: 1.15rem;
}

.hub-section-desc {
  color: #64748b;
  font-size: 0.95rem;
  margin: 0 0 1.25rem 0;
  line-height: 1.6;
}

/* --- Card Grid --- */

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.hub-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hub-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.hub-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.hub-card-link:hover,
.hub-card-link:focus {
  text-decoration: none;
  color: inherit;
}

/* Card Image */

.hub-card-image {
  position: relative;
  width: 100%;
  height: 170px;
  background: #f1f5f9;
  overflow: hidden;
}

.hub-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.hub-card:hover .hub-card-image img {
  transform: scale(1.05);
}

.hub-card-image::after {
  content: 'Read article →';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 16px 14px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.hub-card:hover .hub-card-image::after {
  opacity: 1;
  transform: translateY(0);
}

.hub-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  font-size: 2.5rem;
}

/* Card Content */

.hub-card-content {
  flex: 1;
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.hub-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: #1a202c;
  margin: 0 0 0.6rem 0;
  transition: color 0.2s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hub-card:hover .hub-card-title {
  color: #0085A1;
}

.hub-card-excerpt {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1rem 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hub-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

.hub-card-meta time {
  font-size: 0.8rem;
  color: #9ca3af;
  font-weight: 500;
}

.hub-card-tag {
  font-size: 0.7rem;
  color: #6b7280;
  background: #f2f2f2;
  padding: 0.15rem 0.55rem;
  border-radius: 100px;
  font-weight: 500;
}

/* --- In-Grid Ad --- */

.hub-in-grid-ad {
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 1rem;
  background: #fafafa;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 170px;
}

.hub-in-grid-ad .adsbygoogle {
  width: 100%;
  display: block;
}

/* --- Bottom Ad --- */

.hub-bottom-ad {
  margin: 2.5rem 0 2rem;
  padding: 20px 0;
  text-align: center;
}

.hub-bottom-ad .adsbygoogle {
  width: 100%;
  display: block;
}

/* --- Empty State --- */

.hub-empty {
  text-align: center;
  padding: 3rem;
  background: #f8f9fa;
  border-radius: 12px;
  color: #6b7280;
}

.hub-empty p {
  margin: 0;
  font-size: 1.05rem;
}

/* --- Responsive --- */

@media (max-width: 1199px) {
  .hub-container {
    max-width: 780px;
  }

  .hub-sidebar {
    display: none;
  }

  .hub-main {
    max-width: 100%;
  }
}

@media (min-width: 1200px) and (max-width: 1399px) {
  .hub-container {
    max-width: 1082px;
  }

  .hub-layout {
    gap: 2rem;
  }

  .hub-sidebar {
    width: 342px;
  }
}

@media (min-width: 1400px) {
  .hub-container {
    max-width: 1192px;
  }

  .hub-layout {
    gap: 3.5rem;
  }

  .hub-sidebar {
    width: 342px;
  }
}

@media (max-width: 768px) {
  .hub-container {
    padding: 0 0.75rem;
  }

  .hub-intro-content p {
    font-size: 1rem;
    line-height: 1.7;
  }

  .hub-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
  }

  .hub-card-image {
    height: 160px;
  }

  .hub-card-content {
    padding: 1rem 1.25rem 1.25rem;
  }

  .hub-card-title {
    font-size: 1.05rem;
  }

  .hub-card-excerpt {
    font-size: 0.85rem;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }

  .hub-section-title {
    font-size: 1.2rem;
  }

  .hub-bottom-ad {
    margin: 2rem 0 1.5rem;
  }
}

@media (max-width: 576px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }

  .hub-card-image {
    height: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hub-card,
  .hub-card-image img,
  .hub-card-image::after,
  .hub-card-title {
    transition: none;
  }
}