/* ── BLOG LISTING ────────────────────────────────────────────── */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 2px 12px rgba(42,111,189,.07);
  transition: box-shadow .2s, transform .2s;
}
.blog-card:hover {
  box-shadow: 0 8px 32px rgba(42,111,189,.16);
  transform: translateY(-3px);
}

.blog-card-body { display: flex; flex-direction: column; gap: 10px; }

.blog-card-title {
  font-size: 1.2em;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
}
.blog-card-title a {
  color: inherit;
  text-decoration: none;
}
.blog-card-title a:hover { color: var(--primary); }

.blog-card-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--info-text);
}

.blog-card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}

.blog-card-cta {
  display: inline-block;
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  padding: 7px 18px;
  border: 1.5px solid var(--primary);
  border-radius: 20px;
  transition: .18s;
}
.blog-card-cta:hover {
  background: var(--primary);
  color: #fff;
}

/* ── BLOG LAYOUT ─────────────────────────────────────────────── */
.blog-page {
  max-width: 1160px;
  margin: 0 auto;
  padding: 40px 20px 64px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* ── BREADCRUMB ──────────────────────────────────────────────── */
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb-sep {
  color: var(--muted);
  margin: 0 2px;
}

.breadcrumb-current {
  color: var(--muted);
  font-weight: 600;
}

/* ── ARTICLE HEADER ──────────────────────────────────────────── */
.article-header { margin-bottom: 32px; }

.article-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--primary);
  background: var(--best-bg);
  border: 1px solid var(--best-border);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.article-title {
  font-size: 2em;
  font-weight: 900;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}

.article-meta span { display: flex; align-items: center; gap: 5px; }

.article-divider {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 28px 0 36px;
}

/* ── ARTICLE BODY ────────────────────────────────────────────── */
.article-body { font-size: 16px; line-height: 1.8; color: var(--text); }

.article-body p { margin-bottom: 20px; }

.article-body h2 {
  font-size: 1.35em;
  font-weight: 800;
  color: var(--text);
  margin: 44px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.05em;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 10px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li { margin-bottom: 8px; }

.article-body strong { color: var(--text); }

.article-body a { color: var(--primary); text-decoration: none; }
.article-body a:hover { text-decoration: underline; }

.article-body blockquote {
  margin: 28px 0;
  padding: 16px 20px;
  background: var(--best-bg);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  color: var(--info-text);
  font-style: italic;
}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.article-sidebar { position: sticky; top: 24px; }

.toc-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(42,111,189,.08);
}

.toc-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--label-col);
  margin-bottom: 16px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-list li a {
  display: block;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 7px;
  transition: .15s;
  line-height: 1.45;
}
.toc-list li a:hover {
  color: var(--primary);
  background: var(--btn-hover-bg);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  .blog-page {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 28px;
  }

  .article-sidebar { position: static; }
  .article-sidebar { order: -1; }

  .toc-card { padding: 18px; }
}

@media (max-width: 480px) {
  .article-title { font-size: 1.55em; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 1.2em; }
}