/* ============================================================
   NeuroHost — Blog CSS
   Version: 1.0.0
   ============================================================ */

/* ============================================================
   1. Blog Layout
   ============================================================ */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 1024px) { .blog-layout { grid-template-columns: 1fr; } }

/* ============================================================
   2. Blog Hero
   ============================================================ */
.blog-hero {
  background: var(--grad-hero);
  padding: calc(var(--nav-h) + 3.5rem) 0 3.5rem;
  text-align: center;
}
.blog-hero .breadcrumb { justify-content: center; }
.blog-hero .breadcrumb-item, .blog-hero .breadcrumb-sep { color: rgba(255,255,255,.55); }
.blog-hero .breadcrumb-item a { color: var(--clr-secondary); }

.blog-hero-title    { font-size: clamp(2rem,4vw,3rem); font-weight: 900; color: #fff; margin-bottom: .875rem; letter-spacing: -.025em; }
.blog-hero-subtitle { font-size: 1.1rem; color: rgba(255,255,255,.65); max-width: 500px; margin: 0 auto; }

/* ============================================================
   3. Blog Cards
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.blog-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t);
  display: flex;
  flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(79,70,229,.15); }

.blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg);
  position: relative;
}
.blog-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.04); }

.blog-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(79,70,229,.1), rgba(6,182,212,.1));
  font-size: 3rem;
  aspect-ratio: 16/9;
}

.blog-card-category {
  position: absolute; top: .75rem; left: .75rem;
  background: var(--clr-primary); color: #fff;
  padding: .25rem .75rem; border-radius: var(--r-full);
  font-size: .75rem; font-weight: 600;
}

.blog-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }

.blog-card-meta {
  display: flex; align-items: center; gap: .75rem;
  font-size: .8rem; color: var(--clr-gray-light);
  margin-bottom: .875rem; flex-wrap: wrap;
}
.blog-card-meta a { color: var(--clr-primary); }
.blog-card-meta a:hover { color: var(--clr-primary-dark); }
.blog-card-meta-sep { color: var(--clr-border); }

.blog-card-title {
  font-size: 1rem; font-weight: 700; line-height: 1.4;
  margin-bottom: .625rem;
  transition: color var(--t);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card-title a { color: var(--clr-dark); }
.blog-card:hover .blog-card-title a { color: var(--clr-primary); }

.blog-card-excerpt {
  font-size: .875rem; color: var(--clr-gray); line-height: 1.6; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 1.25rem;
}

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

.blog-card-read-more {
  font-size: .875rem; font-weight: 600; color: var(--clr-primary);
  text-decoration: none;
  display: flex; align-items: center; gap: .35rem;
  transition: gap var(--t);
}
.blog-card-read-more:hover { gap: .6rem; color: var(--clr-primary-dark); }

/* ============================================================
   4. Blog Search Bar (hero inline)
   ============================================================ */
.blog-search-bar { max-width: 500px; margin: 0 auto; }
.blog-search-form { display: flex; gap: .75rem; }

.blog-search-input {
  flex: 1;
  padding: .875rem 1.25rem;
  border: 2px solid rgba(255,255,255,.2);
  border-radius: var(--r-full);
  font-size: 1rem; font-family: var(--font);
  color: var(--clr-dark); background: rgba(255,255,255,.95);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.blog-search-input:focus { border-color: var(--clr-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.15); }
.blog-search-input::placeholder { color: var(--clr-gray-light); }

.blog-search-btn {
  padding: .875rem 1.75rem;
  background: var(--clr-primary); color: #fff;
  border: none; border-radius: var(--r-full);
  font-size: .95rem; font-weight: 600;
  cursor: pointer; font-family: var(--font);
  transition: background var(--t), transform var(--t);
}
.blog-search-btn:hover { background: var(--clr-primary-dark); transform: translateY(-1px); }

/* ============================================================
   5. Blog Sidebar
   ============================================================ */
.blog-sidebar {
  display: flex; flex-direction: column; gap: 2rem;
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.sidebar-widget {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
}

.sidebar-widget-title {
  font-size: .875rem; font-weight: 700; color: var(--clr-dark);
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 1.25rem; padding-bottom: .75rem;
  border-bottom: 2px solid var(--clr-primary);
  display: block;
}

/* Search widget */
.search-form { display: flex; gap: .5rem; }
.search-input {
  flex: 1;
  padding: .625rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--r);
  font-size: .875rem; outline: none;
  font-family: var(--font); color: var(--clr-dark);
  transition: border-color var(--t);
}
.search-input:focus { border-color: var(--clr-primary); }
.search-btn {
  padding: .625rem 1rem;
  background: var(--clr-primary); color: #fff;
  border: none; border-radius: var(--r);
  cursor: pointer; transition: background var(--t); font-size: 1rem;
}
.search-btn:hover { background: var(--clr-primary-dark); }

/* Categories widget */
.categories-list { display: flex; flex-direction: column; gap: .5rem; }
.category-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: .5rem .75rem; border-radius: var(--r);
  text-decoration: none; color: var(--clr-gray); font-size: .875rem;
  transition: all var(--t);
}
.category-link:hover, .category-link.active { background: rgba(79,70,229,.08); color: var(--clr-primary); }

.category-count {
  background: var(--clr-bg); color: var(--clr-gray-light);
  font-size: .75rem; font-weight: 600;
  padding: .1rem .5rem; border-radius: var(--r-full);
}
.category-link.active .category-count { background: rgba(79,70,229,.15); color: var(--clr-primary); }

/* Recent / Popular widgets */
.mini-post-list { display: flex; flex-direction: column; gap: .875rem; }
.mini-post      { display: flex; gap: .875rem; align-items: flex-start; }

.mini-post-img {
  width: 60px; height: 60px;
  border-radius: var(--r); object-fit: cover; flex-shrink: 0;
}
.mini-post-img-placeholder {
  width: 60px; height: 60px;
  border-radius: var(--r);
  background: linear-gradient(135deg, rgba(79,70,229,.15), rgba(6,182,212,.15));
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}

.mini-post-title {
  font-size: .825rem; font-weight: 600; color: var(--clr-dark); line-height: 1.4;
  margin-bottom: .3rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  text-decoration: none; transition: color var(--t);
}
.mini-post-title:hover { color: var(--clr-primary); }
.mini-post-date { font-size: .75rem; color: var(--clr-gray-light); }

/* ============================================================
   6. Single Post
   ============================================================ */
.post-header { margin-bottom: 2.5rem; }

.post-category {
  display: inline-block; padding: .3rem .875rem;
  background: rgba(79,70,229,.1); color: var(--clr-primary);
  border-radius: var(--r-full); font-size: .8rem; font-weight: 600;
  text-decoration: none; margin-bottom: 1rem; transition: all var(--t);
}
.post-category:hover { background: var(--clr-primary); color: #fff; }

.post-title {
  font-size: clamp(1.75rem,4vw,2.5rem); font-weight: 900;
  color: var(--clr-dark); line-height: 1.2;
  margin-bottom: 1.25rem; letter-spacing: -.025em;
}

.post-meta {
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
  font-size: .875rem; color: var(--clr-gray-light);
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--clr-border); margin-bottom: 2rem;
}
.post-meta-item { display: flex; align-items: center; gap: .4rem; }

.post-featured-img {
  width: 100%; border-radius: var(--r-xl); margin-bottom: 2.5rem;
  aspect-ratio: 16/8; object-fit: cover;
}

/* Post content typography */
.post-content { font-size: 1.05rem; color: #374151; line-height: 1.85; }
.post-content h2 { font-size: 1.6rem; font-weight: 700; color: var(--clr-dark); margin: 2.5rem 0 1rem; padding-bottom: .5rem; border-bottom: 2px solid var(--clr-border); }
.post-content h3 { font-size: 1.25rem; font-weight: 700; color: var(--clr-dark); margin: 2rem 0 .875rem; }
.post-content p  { margin-bottom: 1.25rem; }
.post-content ul { list-style: disc; padding-left: 1.75rem; margin-bottom: 1.25rem; }
.post-content ol { list-style: decimal; padding-left: 1.75rem; margin-bottom: 1.25rem; }
.post-content li { margin-bottom: .5rem; }
.post-content strong { font-weight: 700; color: var(--clr-dark); }
.post-content a  { color: var(--clr-primary); text-decoration: underline; }
.post-content blockquote {
  border-left: 4px solid var(--clr-primary);
  padding: 1rem 1.5rem;
  background: rgba(79,70,229,.05);
  border-radius: 0 var(--r) var(--r) 0;
  margin: 1.5rem 0; color: var(--clr-dark-3); font-style: italic;
}
.post-content code {
  background: var(--clr-bg); padding: .2rem .4rem;
  border-radius: var(--r-sm); font-size: .875em;
  color: var(--clr-primary);
}
.post-content pre { background: var(--clr-dark); padding: 1.5rem; border-radius: var(--r-md); overflow-x: auto; margin: 1.5rem 0; }
.post-content pre code { background: none; color: rgba(255,255,255,.85); padding: 0; }
.post-content img { width: 100%; border-radius: var(--r-md); margin: 1.5rem 0; }

/* Post footer */
.post-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--clr-border); }
.post-share  { display: flex; align-items: center; gap: .875rem; flex-wrap: wrap; }
.post-share-label { font-size: .875rem; font-weight: 600; color: var(--clr-dark); }

.share-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem; border-radius: var(--r-full);
  font-size: .8rem; font-weight: 600; text-decoration: none;
  transition: all var(--t);
}
.share-btn.twitter  { background: #1DA1F2; color: #fff; }
.share-btn.linkedin { background: #0A66C2; color: #fff; }
.share-btn.whatsapp { background: #25D366; color: #fff; }
.share-btn:hover    { transform: translateY(-2px); opacity: .9; color: #fff; }

/* ============================================================
   7. Related posts
   ============================================================ */
.related-posts       { margin-top: 4rem; }
.related-posts-title { font-size: 1.5rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 1.75rem; }

.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media (max-width: 768px) { .related-grid { grid-template-columns: 1fr; } }

/* ============================================================
   8. Pagination
   ============================================================ */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: .5rem; margin-top: 3rem; flex-wrap: wrap;
}
.pagination-link {
  display: flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 .5rem;
  border-radius: var(--r); font-size: .9rem; font-weight: 600;
  color: var(--clr-gray); border: 1.5px solid var(--clr-border);
  text-decoration: none; transition: all var(--t);
  background: var(--clr-white);
}
.pagination-link:hover    { border-color: var(--clr-primary); color: var(--clr-primary); }
.pagination-link.active   { background: var(--clr-primary); border-color: var(--clr-primary); color: #fff; box-shadow: var(--shadow-primary); }
.pagination-link.disabled { opacity: .35; pointer-events: none; }

/* ============================================================
   9. Empty state
   ============================================================ */
.empty-state { text-align: center; padding: 4rem 2rem; }
.empty-state-icon { font-size: 4rem; margin-bottom: 1.25rem; opacity: .4; }
.empty-state h3   { font-size: 1.25rem; margin-bottom: .5rem; }
.empty-state p    { font-size: .95rem; margin-bottom: 1.5rem; }

/* ============================================================
   10. Search results / Category header
   ============================================================ */
.search-results-header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--clr-border); }
.search-results-header h2 { font-size: 1.35rem; margin-bottom: .25rem; }
.search-results-header p  { font-size: .9rem; }

.category-header {
  background: var(--clr-bg); border: 1px solid var(--clr-border);
  border-radius: var(--r-lg); padding: 1.75rem; margin-bottom: 2rem;
  display: flex; align-items: center; gap: 1.25rem;
}
.category-header-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.category-header-title { font-size: 1.25rem; font-weight: 700; color: var(--clr-dark); margin-bottom: .25rem; }
.category-header-count { font-size: .875rem; color: var(--clr-gray); }