/* ============================================================
   KARAMA LOGISTICS - BLOG PAGE (blog.css)
   Handles: Blog Hero, Posts Grid, Sidebar, Search, Categories, Newsletter
   ============================================================ */

/* ─── Blog Hero ─── */
.blog-hero {
  background: linear-gradient(135deg, var(--heading-color) 0%, #0a2a6e 50%, #001040 100%);
  color: var(--contrast-color);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(13, 66, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-glow 8s ease-in-out infinite;
}

.blog-hero .container {
  position: relative;
  z-index: 1;
}

.blog-hero .hero-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out both;
}

.blog-hero .hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--contrast-color);
}

.blog-hero .hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

/* ─── Blog Section ─── */
.blog-section {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, #f7f9fc 0%, var(--background-color) 100%);
}

/* ─── Blog Layout ─── */
.blog-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

/* ─── Blog Posts ─── */
.blog-posts {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ─── Blog Card ─── */
.blog-card {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 66, 255, 0.08);
}

.blog-card-image {
  height: 220px;
  background: linear-gradient(135deg, var(--heading-color), #0a2a6e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--contrast-color);
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 66, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.blog-card:hover .blog-card-image::before {
  opacity: 1;
}

.blog-card-image i {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-base);
}

.blog-card:hover .blog-card-image i {
  transform: scale(1.1);
}

.blog-card-body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--default-color);
  opacity: 0.6;
}

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

.blog-card-meta i {
  font-size: 0.75rem;
  color: var(--accent-color);
}

.blog-card-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-title a {
  color: var(--heading-color);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.blog-card-title a:hover {
  color: var(--accent-color);
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--default-color);
  opacity: 0.75;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  transition: all var(--transition-fast);
}

.blog-read-more i {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.blog-read-more:hover {
  gap: 10px;
}

.blog-read-more:hover i {
  transform: translateX(4px);
}

/* ─── Blog Sidebar ─── */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ─── Sidebar Card ─── */
.sidebar-card {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
  transition: all var(--transition-base);
}

.sidebar-card:hover {
  box-shadow: var(--shadow-md);
}

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

.sidebar-title {
  font-size: 1rem;
  color: var(--heading-color);
  margin-bottom: 16px;
  font-family: var(--font-primary);
  font-weight: 600;
}

/* ─── Search Form ─── */
.sidebar-search-form {
  display: flex;
  gap: 8px;
}

.sidebar-search-form .form-input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  color: var(--default-color);
  background: var(--surface-color);
  transition: all var(--transition-base);
  outline: none;
}

.sidebar-search-form .form-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(13, 66, 255, 0.1);
}

.sidebar-search-btn {
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--accent-color), #2563eb);
  color: var(--contrast-color);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.9rem;
}

.sidebar-search-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 66, 255, 0.3);
}

/* ─── Categories List ─── */
.sidebar-categories {
  list-style: none;
}

.sidebar-categories li {
  margin-bottom: 2px;
}

.sidebar-category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  color: var(--default-color);
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-fast);
}

.sidebar-category-link:hover {
  color: var(--accent-color);
  padding-left: 4px;
}

.sidebar-category-count {
  background: rgba(13, 66, 255, 0.08);
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.sidebar-category-link:hover .sidebar-category-count {
  background: var(--accent-color);
  color: var(--contrast-color);
}

/* ─── Newsletter Card ─── */
.sidebar-newsletter {
  background: linear-gradient(135deg, var(--heading-color) 0%, #0a2a6e 100%);
  color: var(--contrast-color);
  border: none;
}

.sidebar-newsletter .sidebar-card-body {
  text-align: center;
}

.sidebar-newsletter-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.9;
  display: block;
}

.sidebar-newsletter .sidebar-title {
  color: var(--contrast-color);
}

.sidebar-newsletter-text {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-bottom: 16px;
  line-height: 1.6;
}

.sidebar-newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-newsletter-input {
  padding: 10px 14px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  color: var(--contrast-color);
  background: rgba(255,255,255,0.1);
  transition: all var(--transition-base);
  outline: none;
}

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

.sidebar-newsletter-input:focus {
  border-color: var(--accent-color);
  background: rgba(255,255,255,0.15);
}

.sidebar-newsletter-btn {
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--accent-color), #2563eb);
  color: var(--contrast-color);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.sidebar-newsletter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(13, 66, 255, 0.3);
}

/* ─── Responsive Design ─── */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
  
  .blog-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .sidebar-card {
    flex: 1;
    min-width: 280px;
  }
  
  .sidebar-newsletter {
    flex: 1 1 100%;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .blog-hero {
    padding: 60px 0 50px;
  }
  
  .blog-section {
    padding: 50px 0;
  }
  
  .blog-sidebar {
    flex-direction: column;
  }
  
  .sidebar-card {
    min-width: 100%;
  }
  
  .blog-card-image {
    height: 180px;
  }
  
  .blog-card-body {
    padding: 20px 16px;
  }
  
  .blog-card-title {
    font-size: 1.1rem;
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .blog-hero .hero-title {
    font-size: 1.8rem;
  }
  
  .blog-card-image {
    height: 160px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .blog-hero::before {
    animation: none;
  }
}