:root {
  --bg: #ffffff;
  --card: #ffffff;
  --muted: #64748b;
  --text: #0f172a;
  --accent: #3b82f6;
  --accent-2: #8b5cf6;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #e2e8f0;
}

.blog-hero {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
  border-bottom: 1px solid var(--border);
  padding: 64px 0 40px;
}

.blog-hero .page-title {
  color: var(--text);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.blog-hero .page-subtitle {
  color: var(--muted);
  margin-top: 8px;
  font-size: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 32px;
}

.section-title {
  color: var(--text);
  font-size: 28px;
  font-weight: 700;
}

.section-subtitle {
  color: var(--muted);
  margin-top: 6px;
}

/* Featured */
.featured-posts {
  padding: 40px 0 8px;
}

.featured-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.featured-post {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}

.featured-post:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(2,8,23,.08);
}

.post-image { position: relative; overflow: hidden; }
.post-image img { display: block; width: 100%; height: 220px; object-fit: cover; }
.post-category {
  position: absolute; left: 12px; top: 12px; 
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white; font-weight: 700; font-size: 12px;
  padding: 6px 10px; border-radius: 999px;
}

.post-content { padding: 5px; }
.post-title a { color: var(--text); text-decoration: none; }
.post-title a:hover { color: var(--accent); }
.post-excerpt { color: var(--muted); margin: 10px 0 12px; }
.post-meta { display: flex; gap: 12px; color: var(--muted); font-size: 13px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag { background: rgba(59,130,246,0.12); color: #1d4ed8; border: 1px solid var(--border); padding: 4px 10px; border-radius: 999px; font-size: 12px; }
.read-more { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; text-decoration: none; margin-top: 12px; }
.read-more:hover { text-decoration: underline; }

/* Categories */
.blog-categories { padding: 24px 0 8px; }
.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.category-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; transition: border-color .2s, transform .2s; cursor: pointer; }
.category-card:hover { transform: translateY(-2px); border-color: rgba(96,165,250,0.4); }
.category-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(96,165,250,0.2) inset; }
.category-icon { color: var(--accent); font-size: 20px; margin-bottom: 8px; }
.category-card h3 { color: var(--text); font-size: 18px; }
.category-card p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.category-count { color: var(--muted); font-size: 12px; margin-top: 10px; }
.category-card a { color: inherit; text-decoration: none; display: block; }

/* Posts grid */
.blog-posts { padding: 10px 0 40px; }
.posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.post-card {  border-radius: 16px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; border: 1px solid var(--border); }
.post-card:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(2,8,23,.08); }
.featured-badge { position: absolute; right: 12px; top: 12px; background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; font-size: 12px; font-weight: 800; padding: 6px 10px; border-radius: 999px; }

.no-posts { background: var(--card); border: 1px solid var(--border); border-radius: 16px; text-align: center; padding: 40px; color: var(--muted); }

.truncate-author {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: "60%";
}

.truncate-date {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: "40%";
}

/* Newsletter & CTA */
.newsletter, .blog-cta { padding: 32px 0; }
.newsletter-content, .cta-content { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.newsletter-text h2 { color: var(--text); }
.newsletter-text p { color: var(--muted); margin-top: 6px; }
.newsletter-form .form-group { display: flex; gap: 10px; }
.newsletter-form input[type="email"] { background: #fff; border: 1px solid var(--border); color: var(--text); padding: 12px 14px; border-radius: 10px; min-width: 260px; }
.newsletter-form button { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: 0; color: #fff; padding: 12px 16px; border-radius: 10px; cursor: pointer; font-weight: 700; }
.form-note { margin-top: 10px; color: var(--muted); font-size: 13px; }

/* Detail page */
.post-hero { padding: 40px 0 16px; }
.post-hero .breadcrumb { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.post-hero .breadcrumb a { color: var(--accent); text-decoration: none; }
.post-hero .title { color: var(--text); font-size: 34px; font-weight: 800; }
.post-hero .meta { display: flex; gap: 12px; color: var(--muted); margin-top: 10px; font-size: 14px; }

.post-wrapper { display: grid; grid-template-columns: 2.2fr 1fr; gap: 24px; }
@media (max-width: 900px) { .post-wrapper { grid-template-columns: 1fr; } }
.post-cover { border-radius: 16px; overflow: hidden;  }
.post-cover img { display: block; width: 100%; height: 360px; object-fit: cover; }
.post-content { margin-top: 5px; border-radius: 16px; padding: 20px; color: var(--text); line-height: 1.8; }
.post-tags { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }

.sidebar { position: sticky; top: 90px; height: fit-content; display: flex; flex-direction: column; gap: 16px; }
.widget { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.widget h4 { color: var(--text); margin-bottom: 10px; }
.widget .list { display: grid; gap: 10px; }
.widget .list a { color: var(--muted); text-decoration: none; }
.widget .list a:hover { color: var(--accent); }

.related-section { padding: 24px 0 40px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }