/* ═══════════════════════════════════════════════════════════
   Blog Styles — Spark Your Leads
   ═══════════════════════════════════════════════════════════ */

/* ─── Blog Hero Banner ─── */
.blog-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  padding: 60px 20px 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  animation: blogHeroPulse 8s ease-in-out infinite;
}

@keyframes blogHeroPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.blog-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}

.blog-hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ─── Blog Layout ─── */
.blog-page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  display: flex;
  gap: 36px;
  align-items: flex-start;
}

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

.blog-sidebar {
  width: 320px;
  min-width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 24px;
}

/* ─── Search Bar ─── */
.blog-search-bar {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
}

.blog-search-bar input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid #e3e8f0;
  border-right: none;
  border-radius: 12px 0 0 12px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: #fff;
}

.blog-search-bar input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.blog-search-bar button {
  padding: 14px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: 0 12px 12px 0;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.2s;
}

.blog-search-bar button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ─── Category Filter Tabs ─── */
.blog-category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.blog-category-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid #e3e8f0;
  background: #fff;
  color: #555;
  text-decoration: none;
}

.blog-category-tab:hover {
  border-color: #667eea;
  color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.blog-category-tab.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

/* ─── Blog Cards Grid ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.blog-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid #f0f0f5;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(102, 126, 234, 0.15);
  border-color: #d0d8f0;
}

.blog-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

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

.blog-card-image-wrapper {
  overflow: hidden;
  position: relative;
}

.blog-card-category-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #999;
  border-top: 1px solid #f0f0f5;
  padding-top: 14px;
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-views {
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-read-more {
  color: #667eea;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-card-read-more:hover {
  color: #764ba2;
}

/* ─── Sidebar Widgets ─── */
.blog-widget {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid #f0f0f5;
}

.blog-widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid;
  border-image: linear-gradient(135deg, #667eea, #764ba2) 1;
}

.blog-widget-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.blog-widget-category-list li {
  padding: 10px 0;
  border-bottom: 1px solid #f5f5f5;
  transition: padding-left 0.3s;
}

.blog-widget-category-list li:last-child {
  border-bottom: none;
}

.blog-widget-category-list li:hover {
  padding-left: 8px;
}

.blog-widget-category-list a {
  color: #555;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-widget-category-list a:hover {
  color: #667eea;
}

.blog-widget-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-widget-tag {
  background: #f3f4f8;
  color: #555;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid #e8e8ee;
}

.blog-widget-tag:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
}

/* Recent Posts Widget */
.blog-widget-recent-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid #f5f5f5;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.blog-widget-recent-item:last-child {
  border-bottom: none;
}

.blog-widget-recent-item:hover {
  background: #fafbff;
  border-radius: 8px;
  padding-left: 8px;
}

.blog-widget-recent-img {
  width: 70px;
  height: 50px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.blog-widget-recent-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #333;
  margin: 0 0 4px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-widget-recent-info span {
  font-size: 0.78rem;
  color: #999;
}

/* ─── Pagination ─── */
.blog-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.blog-pagination button {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 2px solid #e3e8f0;
  background: #fff;
  color: #555;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-pagination button:hover:not(:disabled) {
  border-color: #667eea;
  color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.blog-pagination button.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.blog-pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Blog Detail Page ─── */
.blog-detail-hero {
  position: relative;
  height: 400px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.blog-detail-hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-detail-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.7) 100%);
}

.blog-detail-hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%;
}

.blog-detail-hero-content h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.blog-detail-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.blog-detail-meta span {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-detail-meta .blog-detail-category {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 4px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Blog Detail Content ─── */
.blog-detail-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  display: flex;
  gap: 36px;
  align-items: flex-start;
}

.blog-detail-content {
  flex: 1;
  min-width: 0;
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid #f0f0f5;
}

.blog-detail-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid;
  border-image: linear-gradient(135deg, #667eea, #764ba2) 1;
}

.blog-detail-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #333;
  margin: 24px 0 12px;
}

.blog-detail-content p {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #444;
  margin-bottom: 18px;
}

.blog-detail-content ul,
.blog-detail-content ol {
  margin: 16px 0;
  padding-left: 28px;
}

.blog-detail-content li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 8px;
}

.blog-detail-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

.blog-detail-content blockquote {
  border-left: 4px solid #667eea;
  padding: 16px 24px;
  margin: 24px 0;
  background: #f8f9ff;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: #555;
}

.blog-detail-content code {
  background: #f3f4f8;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.92rem;
  color: #764ba2;
}

.blog-detail-content pre {
  background: #1a1a2e;
  color: #e0e0e0;
  padding: 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.blog-detail-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ─── Tags in Detail ─── */
.blog-detail-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #f0f0f5;
}

.blog-detail-tags span.label {
  font-weight: 600;
  color: #333;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-detail-tag {
  background: #f3f4f8;
  color: #555;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid #e8e8ee;
}

.blog-detail-tag:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-color: transparent;
}

/* ─── Back Button ─── */
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 24px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s;
  background: #f8f9ff;
}

.blog-back-link:hover {
  background: #eef0ff;
  transform: translateX(-4px);
}

/* ─── Loading Spinner ─── */
.blog-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 16px;
}

.blog-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e3e8f0;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: blogSpin 0.8s linear infinite;
}

@keyframes blogSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.blog-loading-text {
  color: #999;
  font-size: 0.95rem;
}

/* ─── Empty State ─── */
.blog-empty {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.blog-empty i {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
  color: #ddd;
}

.blog-empty h3 {
  font-size: 1.3rem;
  color: #666;
  margin-bottom: 8px;
}

.blog-empty p {
  font-size: 0.95rem;
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .blog-page-container,
  .blog-detail-container {
    flex-direction: column;
    padding: 20px 16px 40px;
    gap: 24px;
  }

  .blog-sidebar {
    width: 100%;
    min-width: 0;
    position: static;
  }

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

  .blog-hero h1 {
    font-size: 2rem;
  }

  .blog-detail-hero {
    height: 280px;
  }

  .blog-detail-hero-content h1 {
    font-size: 1.6rem;
  }

  .blog-detail-content {
    padding: 24px 18px;
  }

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

@media (max-width: 480px) {
  .blog-hero {
    padding: 40px 16px 32px;
  }

  .blog-hero h1 {
    font-size: 1.6rem;
  }

  .blog-category-tabs {
    gap: 6px;
  }

  .blog-category-tab {
    padding: 6px 14px;
    font-size: 0.82rem;
  }

  .blog-detail-meta {
    gap: 10px;
  }
}

/* ─── Animations ─── */
.blog-card {
  animation: blogFadeInUp 0.5s ease forwards;
  opacity: 0;
}

.blog-card:nth-child(1) { animation-delay: 0.05s; }
.blog-card:nth-child(2) { animation-delay: 0.1s; }
.blog-card:nth-child(3) { animation-delay: 0.15s; }
.blog-card:nth-child(4) { animation-delay: 0.2s; }
.blog-card:nth-child(5) { animation-delay: 0.25s; }
.blog-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes blogFadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}