/* ================= Blog hub ================= */
.blog-hero {
  padding: 70px 0 40px;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(2rem, 4.4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.blog-hero p {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: .85rem;
  font-weight: 600;
  padding: 24px 0 0;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--blue-bright); }

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 0 0 48px;
}
.category-pill {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.category-pill:hover { color: var(--text); border-color: var(--blue); }
.category-pill.is-active {
  background: var(--blue-cta);
  border-color: var(--blue-cta);
  color: #fff;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 90px;
}
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.post-card:hover { border-color: var(--blue); transform: translateY(-4px); }
.post-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: linear-gradient(160deg, #1a1a1a, #101010);
}
.post-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.post-card:hover .post-card-img img { transform: scale(1.06); }
.post-card-body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-category {
  align-self: flex-start;
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--blue-bright);
  background: rgba(37, 99, 235, .12);
  padding: 4px 10px;
  border-radius: 999px;
}
.post-card-body h3 { font-size: 1.1rem; font-weight: 700; line-height: 1.35; }
.post-excerpt { color: var(--text-secondary); font-size: .9rem; flex: 1; }
.post-meta {
  display: flex;
  gap: 10px;
  color: var(--text-dim);
  font-size: .78rem;
  font-weight: 600;
}
.post-readmore {
  color: var(--blue-bright);
  font-weight: 700;
  font-size: .88rem;
  margin-top: 4px;
}
.post-card:hover .post-readmore { text-decoration: underline; }

.empty-state {
  grid-column: 1/-1;
  text-align: center;
  color: var(--text-dim);
  padding: 40px 0;
}

/* ================= Article page ================= */
.article-header {
  padding: 32px 0 40px;
  text-align: center;
}
.article-header .post-category { margin: 0 auto 18px; align-self: center; }
.article-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 780px;
  margin: 0 auto 16px;
  line-height: 1.2;
}
.article-header .post-meta { justify-content: center; }

.article-hero-img {
  max-width: 900px;
  margin: 0 auto 50px;
  aspect-ratio: 21/9;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, #1a1a1a, #101010);
  border: 1px solid var(--border);
}
.article-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 60px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}
.article-body h2 {
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 40px 0 16px;
}
.article-body h3 {
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 32px 0 12px;
}
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 22px; display: grid; gap: 8px; }
.article-body strong { color: var(--text); }
.article-body blockquote {
  border-left: 3px solid var(--blue);
  padding: 4px 0 4px 20px;
  margin: 28px 0;
  font-weight: 600;
  font-style: italic;
  color: var(--text);
}

.article-cta {
  max-width: 720px;
  margin: 0 auto 80px;
  background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(37,99,235,.03));
  border: 1px solid rgba(37,99,235,.35);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}
.article-cta h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 10px; }
.article-cta p { color: var(--text-secondary); margin-bottom: 22px; }

@media (max-width: 900px) {
  .post-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .post-grid { grid-template-columns: 1fr; }
}