/* ============================================================
   BLOG POST LAYOUT — extends components.css / base.css
   ============================================================ */

.blog-hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.blog-hero .eyebrow { margin-bottom: 1rem; }

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

.blog-meta .tag-signal { margin-right: 0.25rem; }

/* TL;DR box */
.tldr-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-signal);
  border-radius: var(--radius-lg, 12px);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0 3rem;
}

.tldr-box .tldr-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-signal);
  display: block;
  margin-bottom: 0.6rem;
}

.tldr-box p { margin: 0; color: var(--color-text-strong); line-height: 1.6; }

/* Layout: content + sticky sidebar TOC */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 4rem;
  align-items: start;
  padding-block: clamp(2rem, 5vw, 4rem);
}

@media (max-width: 960px) {
  .blog-layout { grid-template-columns: 1fr; }
  .blog-toc { display: none; }
}

.blog-toc {
  position: sticky;
  top: 6rem;
  border-left: 1px solid var(--color-border);
  padding-left: 1.5rem;
  font-size: 0.88rem;
}

.blog-toc .toc-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.9rem;
  display: block;
}

.blog-toc ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.blog-toc a {
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.15s ease;
}
.blog-toc a:hover, .blog-toc a.active { color: var(--color-signal); }

/* Article body typography */
.blog-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-top: 3rem;
  margin-bottom: 1.1rem;
  letter-spacing: -0.01em;
  scroll-margin-top: 6rem;
}

.blog-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-top: 2.2rem;
  margin-bottom: 0.9rem;
  scroll-margin-top: 6rem;
}

.blog-body p {
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
}

.blog-body ul, .blog-body ol {
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  padding-left: 1.4rem;
}

.blog-body li { margin-bottom: 0.5rem; }

.blog-body a { color: var(--color-signal); text-decoration: underline; text-decoration-color: rgba(34,211,238,0.35); }
.blog-body a:hover { text-decoration-color: var(--color-signal); }

.blog-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.92rem;
}
.blog-body th, .blog-body td {
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.9rem;
  text-align: left;
}
.blog-body th {
  background: var(--color-surface);
  color: var(--color-text-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Pull quote */
.pull-quote {
  border-left: 3px solid var(--color-signal);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 2.5rem 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--color-text-strong);
}

/* Figure / data callout */
.data-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg, 12px);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}
.data-callout .callout-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-signal);
  display: block;
  margin-bottom: 0.5rem;
}

/* Related posts strip */
.related-posts {
  border-top: 1px solid var(--color-border);
  padding-block: clamp(3rem, 6vw, 5rem);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (max-width: 800px) { .related-grid { grid-template-columns: 1fr; } }

.related-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg, 12px);
  padding: 1.5rem;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.related-card:hover { border-color: var(--color-signal); transform: translateY(-2px); }
.related-card .related-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-signal);
  display: block;
  margin-bottom: 0.6rem;
}
.related-card h4 {
  color: var(--color-text-strong);
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0;
  font-weight: 500;
}