/* Blog — index and article typography */

.blog-index-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: flex-end;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.blog-search {
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.blog-search label,
.blog-cats label {
  display: block;
  font-size: 0.78rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 8px;
  font-weight: 500;
}

.blog-search input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  padding: 11px 14px;
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.95rem;
}

.blog-search input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.blog-cats {
  flex: 1;
  min-width: 200px;
}

.blog-cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.blog-cat-pills a {
  font-size: 0.88rem;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  text-decoration: none;
}

.blog-cat-pills a:hover { color: var(--fg); border-color: var(--border-strong); }
.blog-cat-pills a.is-on {
  background: var(--accent-soft);
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  color: var(--accent-strong);
}

.blog-list { list-style: none; padding: 0; margin: 0; }
.blog-list li {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.blog-list li:first-child { padding-top: 0; }
.blog-list a.post-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg);
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
}
.blog-list a.post-title:hover { color: var(--accent-strong); }
.blog-list .meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  margin-bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.blog-list .excerpt {
  color: var(--fg-muted);
  font-size: 0.98rem;
  line-height: 1.55;
  max-width: 72ch;
}

.blog-empty {
  padding: 48px 0;
  color: var(--fg-muted);
  text-align: center;
}

/* Article layout */
.blog-article-wrap {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

@media (max-width: 980px) {
  .blog-article-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.blog-toc {
  position: sticky;
  top: 88px;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .blog-toc {
    position: static;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
  }
}

.blog-toc h2 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 14px;
  font-weight: 500;
}

.blog-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.blog-toc ol li a {
  color: var(--fg-muted);
  text-decoration: none;
  line-height: 1.4;
}

.blog-toc ol li a:hover { color: var(--fg); }
.blog-toc ol li.toc-h3 { padding-left: 14px; font-size: 0.84rem; }

.blog-article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  max-width: 68ch;
}

.blog-article-header h1 {
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  margin-bottom: 16px;
}

.blog-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.blog-byline .cat {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.blog-article-body {
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.72;
  color: var(--fg-muted);
  max-width: 68ch;
}

.blog-article-body > *:first-child { margin-top: 0; }
.blog-article-body h2 {
  font-family: var(--sans);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: 2.2em 0 0.75em;
  line-height: 1.2;
}
.blog-article-body h3 {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  margin: 1.6em 0 0.5em;
}
.blog-article-body p { margin: 0 0 1.15em; }
.blog-article-body strong { color: var(--fg); font-weight: 600; }
.blog-article-body ul,
.blog-article-body ol {
  margin: 0 0 1.25em;
  padding-left: 1.35em;
}
.blog-article-body li { margin-bottom: 0.5em; }
.blog-article-body li strong { color: var(--fg); }

.blog-article-body table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.45;
  margin: 1.5em 0;
}
.blog-article-body th,
.blog-article-body td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.blog-article-body th {
  background: var(--surface);
  color: var(--fg);
  font-weight: 600;
}
.blog-article-body blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
}

.blog-related {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.blog-related h2 {
  font-size: 1.2rem;
  margin-bottom: 24px;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.blog-related-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  display: block;
}

.blog-related-card:hover { border-color: var(--border-strong); }
.blog-related-card h3 {
  font-size: 1rem;
  color: var(--fg);
  margin: 0 0 8px;
  line-height: 1.3;
}
.blog-related-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  margin: 0;
  line-height: 1.45;
}

.blog-article-cta {
  margin-top: 48px;
  max-width: 68ch;
}