/* =========================================================
   Blog enhancements (KLTG)
   Loaded on blog.php and blog-details.php only.
   Uses the design tokens from variables.css.
   ========================================================= */

/* ---- Reading progress bar (article page) ---- */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(var(--color-secondary-rgb), 0.12);
  z-index: 1100;
}

#reading-progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-primary);
  transition: width 0.1s linear;
}

/* ---- Featured hero post (listing page) ---- */
/* The breadcrumb bar used to clear the fixed-top header; keep that spacing. */
#blog.blog {
  margin-top: 76px;
}

.featured-hero {
  margin-bottom: 40px;
}

.featured-hero .hero-link {
  display: block;
  position: relative;
  height: 360px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(var(--color-black-rgb), 0.1);
}

.featured-hero .hero-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-hero .hero-link:hover img {
  transform: scale(1.05);
}

.featured-hero .hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.2) 55%, rgba(0, 0, 0, 0) 100%);
}

.featured-hero .hero-badge {
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 5px 12px;
  border-radius: 4px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.featured-hero .hero-title {
  margin: 0 0 10px;
  color: var(--color-white);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
}

.featured-hero .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.featured-hero .hero-meta i {
  margin-right: 5px;
}

@media (max-width: 768px) {
  .featured-hero .hero-title { font-size: 22px; }
  .featured-hero .hero-overlay { padding: 20px; }
}

/* ---- Related posts (article page) ---- */
.related-posts {
  margin-top: 50px;
}

.related-posts .related-title {
  position: relative;
  padding-bottom: 12px;
  margin-bottom: 30px;
  color: var(--color-secondary-dark);
  font-size: 22px;
  font-weight: 700;
}

.related-posts .related-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-primary);
}

.related-posts .related-card {
  display: block;
  height: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(var(--color-black-rgb), 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-posts .related-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 24px rgba(var(--color-black-rgb), 0.15);
}

.related-posts .related-img {
  height: 160px;
  overflow: hidden;
}

.related-posts .related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-posts .related-card:hover .related-img img {
  transform: scale(1.06);
}

.related-posts .related-body {
  padding: 16px 18px 20px;
}

.related-posts .related-body h4 {
  margin: 0 0 8px;
  color: var(--color-secondary-dark);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
}

.related-posts .related-body time {
  color: rgba(var(--color-secondary-rgb), 0.8);
  font-size: 13px;
}

/* ---- Card hover polish on the listing grid ---- */
.blog .posts-list article {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog .posts-list article:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(var(--color-black-rgb), 0.15);
}

/* ---- Skeleton loaders (listing page) ---- */
.skeleton-card {
  height: 100%;
  padding: 30px;
  box-shadow: 0 4px 16px rgba(var(--color-black-rgb), 0.1);
}

.skeleton-card .sk-img {
  height: 200px;
  margin: -30px -30px 20px;
}

.hero-skeleton {
  height: 360px;
  border-radius: 8px;
}

@media (max-width: 768px) {
  .featured-hero .hero-link,
  .hero-skeleton { height: 240px; }
}

.skeleton-block {
  background: linear-gradient(90deg, #eceff1 25%, #f6f8f9 37%, #eceff1 63%);
  background-size: 400% 100%;
  animation: sk-shimmer 1.4s ease infinite;
  border-radius: 4px;
}

.skeleton-card .sk-line {
  height: 14px;
  margin-bottom: 12px;
}

.skeleton-card .sk-line.title {
  height: 22px;
  width: 80%;
  margin-bottom: 18px;
}

.skeleton-card .sk-line.short {
  width: 50%;
}

@keyframes sk-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}