/* ============================================
   Blog Page CSS - Solar Surge
   Blog Cards, Categories, Pagination, Sidebar
   ============================================ */

/* --- Blog Hero --- */
.blog-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  max-height: 1080px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.blog-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.3) 0%, rgba(37,74,95,0.5) 100%);
}

.blog-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1208px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
}

.blog-hero-content h1 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 60px;
  line-height: 1.17;
  color: #fff;
  text-transform: uppercase;
}

.blog-hero-content p {
  font-size: 30px;
  line-height: 1.38;
  color: #fff;
  max-width: 865px;
}

@media (max-width: 768px) {
  .blog-hero {
    height: auto;
    min-height: 60vh;
    padding: 120px 20px 60px;
  }

  .blog-hero-content h1 {
    font-size: clamp(1.5rem, 6vw, 60px);
  }

  .blog-hero-content p {
    font-size: clamp(0.9rem, 3vw, 30px);
  }
}

/* --- Blog Categories Grid --- */
.blog-categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .blog-categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .blog-categories-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* --- Blog Layout --- */
.blog-section {
  padding: var(--section-padding);
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-2xl);
  align-items: start;
}

/* --- Blog Cards Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

/* Featured Post (full width, first in grid) */
.blog-card-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.blog-card-featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-featured .blog-card-image {
  aspect-ratio: auto;
  min-height: 300px;
}

.blog-card-featured .blog-card-body {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-card-featured .blog-card-body h3 {
  font-size: var(--fs-2xl);
}

/* Standard Blog Card */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img,
.blog-card-featured:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

.blog-card-category {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  background: rgba(240, 165, 0, 0.1);
  color: var(--color-secondary-dark);
  border-radius: var(--radius-full);
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.blog-card-date svg {
  width: 12px;
  height: 12px;
  fill: var(--color-text-light);
}

.blog-card-body h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  transition: color var(--transition);
}

.blog-card:hover h3,
.blog-card-featured:hover h3 {
  color: var(--color-secondary);
}

.blog-card-body > p {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.blog-card-author-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-author-avatar img {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

.blog-card-author span {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-primary);
}

.blog-card-read-time {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* --- Blog Sidebar --- */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
}

.sidebar-widget h4 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-secondary);
}

/* Search Widget */
.sidebar-search {
  position: relative;
}

.sidebar-search input {
  width: 100%;
  padding: 10px 40px 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  transition: border-color var(--transition);
}

.sidebar-search input:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.sidebar-search button {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.sidebar-search button svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-light);
}

/* Categories Widget */
.sidebar-categories {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: var(--fs-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}

.sidebar-category-link:last-child {
  border-bottom: none;
}

.sidebar-category-link:hover {
  color: var(--color-secondary);
}

.sidebar-category-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  color: var(--color-text-light);
}

/* Recent Posts Widget */
.sidebar-recent-posts {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sidebar-recent-post {
  display: flex;
  gap: var(--space-md);
  transition: opacity var(--transition);
}

.sidebar-recent-post:hover {
  opacity: 0.8;
}

.sidebar-recent-post-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 54px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.sidebar-recent-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-recent-post-info h5 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
  transition: color var(--transition);
}

.sidebar-recent-post:hover h5 {
  color: var(--color-secondary);
}

.sidebar-recent-post-info span {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* Tags Widget */
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.sidebar-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.sidebar-tag:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary);
}

/* --- Category Filter Bar --- */
.blog-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.blog-filter-btn {
  padding: 8px 20px;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
}

.blog-filter-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.blog-filter-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
}

/* --- Pagination --- */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.pagination-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.pagination-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.pagination-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary);
  font-weight: var(--fw-bold);
}

.pagination-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.pagination-ellipsis {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  padding: 0 var(--space-xs);
}

/* --- Newsletter CTA --- */
.blog-newsletter {
  background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  margin-top: var(--space-2xl);
  overflow: hidden;
}

.blog-newsletter h3 {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.blog-newsletter p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-lg);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 420px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  font-size: var(--fs-sm);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.newsletter-btn {
  padding: 12px 20px;
  font-size: var(--fs-sm);
  white-space: nowrap;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .blog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-newsletter {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .blog-section {
    padding: 60px 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .blog-card-featured {
    grid-template-columns: 1fr;
  }

  .blog-card-featured .blog-card-image {
    min-height: 180px;
    aspect-ratio: 16 / 9;
  }

  .blog-card-featured .blog-card-body {
    padding: var(--space-lg);
  }

  .blog-card-featured .blog-card-body h3 {
    font-size: var(--fs-xl);
  }

  .blog-card-body {
    padding: var(--space-md);
  }

  .blog-card-body h3 {
    font-size: var(--fs-base);
  }

  .blog-sidebar {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .sidebar-widget {
    padding: var(--space-lg);
  }

  /* Filter bar: horizontal scroll, hide scrollbar */
  .blog-filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    gap: var(--space-sm);
    -ms-overflow-style: none;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .blog-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .blog-filter-btn {
    flex-shrink: 0;
    padding: 7px 16px;
    font-size: var(--fs-xs);
  }

  .blog-newsletter {
    padding: var(--space-xl);
    margin-top: var(--space-lg);
  }

  .blog-newsletter h3 {
    font-size: var(--fs-xl);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .blog-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .blog-section {
    padding: 48px 0;
  }

  .blog-grid {
    gap: var(--space-md);
  }

  .blog-card-featured .blog-card-image {
    min-height: 150px;
  }

  .blog-card-featured .blog-card-body {
    padding: var(--space-md);
  }

  .blog-card-featured .blog-card-body h3 {
    font-size: var(--fs-lg);
  }

  .blog-card-featured .blog-card-body > p {
    font-size: var(--fs-xs);
  }

  .blog-card-image {
    aspect-ratio: 16 / 9;
  }

  .blog-card-body {
    padding: 14px;
  }

  .blog-card-body h3 {
    font-size: var(--fs-sm);
    margin-bottom: var(--space-xs);
  }

  .blog-card-body > p {
    font-size: var(--fs-xs);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
  }

  .blog-card-meta {
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
  }

  .blog-card-author-avatar {
    width: 24px;
    height: 24px;
  }

  .sidebar-widget {
    padding: var(--space-md);
  }

  .blog-newsletter {
    padding: var(--space-lg);
  }

  .blog-newsletter h3 {
    font-size: var(--fs-lg);
  }

  .newsletter-form input {
    padding: 10px 14px;
  }

  .newsletter-btn {
    padding: 10px 16px;
    width: 100%;
    justify-content: center;
  }
}