/* ============================================
   ANNA HOME CARE — blog.css
   Blog index + individual post styles
   ============================================ */

/* ---- Blog Hero ---- */
.blog-page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #3A8A7A 100%);
  padding: 80px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 70px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.blog-page-hero h1 { color: white; margin-bottom: 0.75rem; }
.blog-page-hero p { color: rgba(255,255,255,0.72); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

/* ---- Category filter ---- */
.blog-filter {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.blog-filter-btn {
  background: var(--warm);
  border: 1.5px solid var(--border);
  color: var(--text-mid);
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}
.blog-filter-btn:hover,
.blog-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ---- Blog index grid ---- */
.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ---- Blog card ---- */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.blog-card-thumb {
  height: 200px;
  background: var(--warm);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  display: block;
}

.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

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

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.blog-card-tag {
  background: rgba(46,107,138,0.1);
  color: var(--primary);
  padding: 0.2rem 0.65rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.blog-card-date {
  font-size: 0.78rem;
  color: var(--text-light);
}
.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 0.65rem;
  flex: 1;
}
.blog-card-excerpt {
  font-size: 0.87rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 1.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-read {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: auto;
}
.blog-card-read svg { width: 14px; height: 14px; fill: var(--primary); transition: var(--transition); }
.blog-card:hover .blog-card-read svg { transform: translateX(4px); }

/* Featured card (spans 2 cols) */
.blog-card.featured {
  grid-column: span 2;
  flex-direction: row;
}
.blog-card.featured .blog-card-thumb {
  width: 45%;
  height: auto;
  min-height: 260px;
  flex-shrink: 0;
  border-radius: 0;
}
.blog-card.featured .blog-card-title { font-size: 1.4rem; }
.blog-card.featured .blog-card-excerpt { -webkit-line-clamp: 4; }

/* ---- Individual post page ---- */
.post-page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 70px 0 90px;
  position: relative;
  overflow: hidden;
}
.post-page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.post-page-hero .post-tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: white;
  padding: 0.3rem 0.85rem;
  border-radius: 50px;
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.post-page-hero h1 {
  color: white;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  max-width: 750px;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.post-page-hero .post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.post-page-hero .post-meta span {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Post layout */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

/* Article body */
.post-article h2 {
  font-size: 1.5rem;
  margin: 2.25rem 0 0.85rem;
  color: var(--text-dark);
  padding-top: 0.5rem;
}
.post-article h3 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.7rem;
  color: var(--primary);
  font-family: var(--font-body);
  font-weight: 600;
}
.post-article p {
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 1.1rem;
  color: var(--text-mid);
}
.post-article p strong { color: var(--text-dark); }
.post-article a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* Data callout */
.data-box {
  background: linear-gradient(135deg, rgba(46,107,138,0.06), rgba(107,191,160,0.08));
  border: 1px solid rgba(46,107,138,0.15);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}
.data-box p { font-size: 0.94rem; margin: 0; color: var(--text-mid); }
.data-box strong { color: var(--primary); }

/* Stat grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}
.stat-box {
  background: var(--warm);
  border: 1px solid var(--warm-mid);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-label { font-size: 0.79rem; color: var(--text-mid); line-height: 1.4; }

/* Compare table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.91rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.compare-table th {
  background: var(--primary);
  color: white;
  padding: 0.85rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.compare-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
  vertical-align: top;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:nth-child(even) td { background: var(--warm); }
.compare-table .highlight { color: var(--accent); font-weight: 600; }

/* Citations */
.citations {
  background: var(--warm);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 2.5rem;
}
.citations h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
}
.citations ol {
  list-style: decimal;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.citations li { font-size: 0.78rem; color: var(--text-light); line-height: 1.5; }
.citations a { color: var(--primary); text-decoration: underline; word-break: break-all; }

/* Post sidebar */
.post-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.sidebar-card {
  background: var(--warm);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--warm-mid);
}
.sidebar-card h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 1rem;
}
.sidebar-toc { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.sidebar-toc li a {
  font-size: 0.87rem;
  color: var(--text-mid);
  line-height: 1.4;
  transition: var(--transition);
  display: block;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border);
}
.sidebar-toc li:last-child a { border-bottom: none; }
.sidebar-toc li a:hover { color: var(--primary); padding-left: 4px; }

.sidebar-cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.sidebar-cta h4 { color: white; font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.5rem; }
.sidebar-cta p { color: rgba(255,255,255,0.75); font-size: 0.85rem; margin-bottom: 1rem; }
.sidebar-cta .btn { width: 100%; justify-content: center; font-size: 0.88rem; }
.sidebar-cta .btn + .btn { margin-top: 0.5rem; }

/* Related posts */
.related-posts { background: var(--warm); padding: 60px 0; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Post nav (prev/next) */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--warm-mid);
  flex-wrap: wrap;
}
.post-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--warm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1.25rem;
  max-width: 48%;
  transition: var(--transition);
  text-decoration: none;
}
.post-nav-link:hover { border-color: var(--primary); background: white; box-shadow: var(--shadow-sm); }
.post-nav-link svg { width: 18px; height: 18px; fill: var(--primary); flex-shrink: 0; }
.post-nav-link-text span:first-child { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-light); display: block; }
.post-nav-link-text strong { font-size: 0.88rem; color: var(--text-dark); display: block; line-height: 1.3; margin-top: 0.15rem; }

/* Responsive */
@media (max-width: 1024px) {
  .blog-index-grid { grid-template-columns: 1fr 1fr; }
  .blog-card.featured { grid-column: span 2; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .blog-index-grid { grid-template-columns: 1fr; }
  .blog-card.featured { grid-column: span 1; flex-direction: column; }
  .blog-card.featured .blog-card-thumb { width: 100%; height: 180px; }
  .related-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .post-nav-link { max-width: 100%; }
  .post-nav { flex-direction: column; }
  .compare-table { font-size: 0.82rem; }
  .compare-table th, .compare-table td { padding: 0.6rem 0.75rem; }
}