/* Blog listing + article — uses brand tokens + dk_public */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dk-blog-body {
  margin: 0;
  min-height: 100vh;
  background: var(--dk-bg);
  color: var(--dk-fg);
  font-family: var(--dk-font-body);
  font-size: var(--dk-text-base);
  line-height: var(--dk-leading-body);
  -webkit-font-smoothing: antialiased;
}

/* Site header (same as marketing pages — blog_base does not include dk_site_head.html) */
.dk-blog-body .dk-page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dk-space-6);
  padding: var(--dk-space-6) var(--dk-space-8);
  border-bottom: 0.5px solid var(--dk-ash-soft);
  flex-wrap: wrap;
  max-width: var(--dk-content-max);
  margin: 0 auto;
}
.dk-blog-body .dk-page-nav a.dk-nav-brand {
  font-family: var(--dk-font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--dk-fg);
  text-decoration: none;
}
.dk-blog-body .dk-page-nav a.dk-nav-brand span { color: var(--dk-accent); }
.dk-blog-body .dk-page-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--dk-space-6);
  font-size: var(--dk-text-sm);
}
.dk-blog-body .dk-page-nav-links a { color: var(--dk-fg-muted); text-decoration: none; }
.dk-blog-body .dk-page-nav-links a:hover { color: var(--dk-fg); }
.dk-blog-body .dk-page-nav-controls { display: flex; align-items: center; gap: var(--dk-space-4); }
.dk-blog-body .dk-theme-toggle {
  border: 0.5px solid var(--dk-border-strong);
  background: var(--dk-bg-elevated);
  color: var(--dk-fg);
  border-radius: var(--dk-radius-pill);
  padding: 6px 12px;
  font-size: var(--dk-text-xs);
  line-height: 1;
  cursor: pointer;
}
.dk-blog-body .dk-theme-toggle:hover { background: var(--dk-ash-soft); }

.dk-blog-main {
  max-width: var(--dk-content-max);
  margin: 0 auto;
  padding: 0 var(--dk-space-8);
}

.dk-blog-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--dk-space-6);
  padding: var(--dk-space-3) 0;
  border-bottom: 0.5px solid var(--dk-ash-soft);
  font-size: var(--dk-text-sm);
}
.dk-blog-toolbar a {
  color: var(--dk-fg-muted);
  text-decoration: none;
}
.dk-blog-toolbar a:hover { color: var(--dk-fg); }

.dk-blog-title-page {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-display-sm);
  font-weight: 500;
  letter-spacing: var(--dk-tracking-display);
  margin: var(--dk-space-10) 0 var(--dk-space-8);
}

.dk-blog-tagline {
  font-size: var(--dk-text-sm);
  color: var(--dk-fg-muted);
  margin: calc(-1 * var(--dk-space-6)) 0 var(--dk-space-8);
}

.dk-blog-top {
  display: flex;
  flex-direction: column;
  gap: var(--dk-space-6);
  margin-bottom: var(--dk-space-10);
  padding-bottom: var(--dk-space-6);
  border-bottom: 0.5px solid var(--dk-ash-soft);
}
@media (min-width: 900px) {
  .dk-blog-top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.dk-blog-topics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--dk-space-2) var(--dk-space-1);
  font-size: var(--dk-text-sm);
}
.dk-blog-topics a {
  color: var(--dk-fg-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: var(--dk-radius-sm);
}
.dk-blog-topics a:hover { color: var(--dk-fg); }
.dk-blog-topics a.is-active {
  color: var(--dk-fg);
  font-weight: 500;
}
.dk-blog-topics span.sep {
  color: var(--dk-fg-subtle);
  user-select: none;
}

.dk-blog-search-row {
  display: flex;
  align-items: center;
  gap: var(--dk-space-3);
}
.dk-blog-search {
  width: 100%;
  max-width: 280px;
  padding: 10px 12px;
  border: 0.5px solid var(--dk-border-strong);
  border-radius: var(--dk-radius-md);
  background: var(--dk-bg-elevated);
  color: var(--dk-fg);
  font-family: var(--dk-font-body);
  font-size: var(--dk-text-sm);
}
.dk-blog-search:focus {
  outline: none;
  box-shadow: var(--dk-shadow-focus);
}
#blog-result-count {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-subtle);
  min-width: 2rem;
}

/* Featured + sidebar */
.dk-blog-featured-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dk-space-12);
  margin-bottom: var(--dk-space-16);
}
@media (min-width: 1024px) {
  .dk-blog-featured-wrap {
    grid-template-columns: 2fr 1fr;
  }
}

.dk-blog-catbar {
  border-left: 2px solid var(--dk-fg);
  background: var(--dk-ash-softer);
  padding: var(--dk-space-2) var(--dk-space-3);
}
.dk-blog-catbar span {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-muted);
}

.dk-blog-thumb {
  aspect-ratio: 16 / 9;
  background: var(--dk-ash-soft);
  border-radius: var(--dk-radius-md);
  overflow: hidden;
  position: relative;
}
.dk-blog-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dk-blog-meta {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-subtle);
  margin: var(--dk-space-4) 0 var(--dk-space-2);
}

.dk-blog-card-title {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-h2);
  font-weight: 500;
  letter-spacing: var(--dk-tracking-heading);
  line-height: var(--dk-leading-heading);
  margin: 0 0 var(--dk-space-4);
}
.dk-blog-card-title a {
  color: var(--dk-fg);
  text-decoration: none;
}
.dk-blog-card-title a:hover { text-decoration: underline; text-underline-offset: 4px; }

.dk-blog-excerpt {
  color: var(--dk-fg-muted);
  font-size: var(--dk-text-base);
  line-height: var(--dk-leading-body);
  max-width: 42rem;
}

.dk-blog-whatsnew h3 {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-subtle);
  margin: 0 0 var(--dk-space-5);
}

.dk-blog-whats-item .dk-blog-thumb { aspect-ratio: 16 / 10; height: 7rem; }
.dk-blog-whats-item h4 {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-base);
  font-weight: 500;
  margin: var(--dk-space-3) 0 0;
}
.dk-blog-whats-item h4 a {
  color: var(--dk-fg);
  text-decoration: none;
}
.dk-blog-whats-item h4 a:hover { text-decoration: underline; }

.dk-blog-section-title {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-h3);
  font-weight: 500;
  margin: 0 0 var(--dk-space-8);
}

.dk-blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dk-space-10);
}
@media (min-width: 640px) {
  .dk-blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .dk-blog-grid { grid-template-columns: repeat(3, 1fr); }
}

.dk-blog-grid .blog-post-card.hidden { display: none !important; }
.hidden { display: none !important; }

.dk-blog-card h3 {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-h4);
  font-weight: 500;
  margin: var(--dk-space-3) 0 0;
  flex: 1;
}
.dk-blog-card h3 a {
  color: var(--dk-fg);
  text-decoration: none;
}
.dk-blog-card h3 a:hover { text-decoration: underline; }

.dk-blog-empty {
  display: none;
  text-align: center;
  padding: var(--dk-space-16);
  color: var(--dk-fg-muted);
}
.dk-blog-empty.is-visible { display: block; }

.dk-blog-pagination {
  display: none;
  justify-content: center;
  align-items: center;
  gap: var(--dk-space-8);
  margin-top: var(--dk-space-12);
  font-size: var(--dk-text-sm);
}
.dk-blog-pagination.is-visible { display: flex; }
.dk-blog-pagination button {
  background: none;
  border: none;
  font-family: var(--dk-font-body);
  font-size: var(--dk-text-sm);
  color: var(--dk-fg-muted);
  cursor: pointer;
  padding: var(--dk-space-2);
}
.dk-blog-pagination button:hover:not(:disabled) { color: var(--dk-fg); }
.dk-blog-pagination button:disabled { opacity: 0.35; cursor: default; }
#blog-page-indicator {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-subtle);
}

.dk-blog-newsletter {
  margin-top: var(--dk-space-20);
  padding-top: var(--dk-space-12);
  border-top: 0.5px solid var(--dk-ash-soft);
  max-width: 28rem;
}
.dk-blog-newsletter h2 {
  font-family: var(--dk-font-display);
  font-size: var(--dk-text-h4);
  font-weight: 500;
  margin: 0 0 var(--dk-space-2);
}
.dk-blog-newsletter > p {
  font-size: var(--dk-text-sm);
  color: var(--dk-fg-muted);
  margin: 0 0 var(--dk-space-6);
}
.dk-blog-newsletter form {
  display: flex;
  flex-direction: column;
  gap: var(--dk-space-3);
}
@media (min-width: 480px) {
  .dk-blog-newsletter form { flex-direction: row; align-items: stretch; }
}
.dk-blog-newsletter input[type="email"] {
  flex: 1;
  padding: 12px 14px;
  border: 0.5px solid var(--dk-border-strong);
  border-radius: var(--dk-radius-md);
  background: var(--dk-bg-elevated);
  font-size: var(--dk-text-sm);
}

/* ——— Article (post) ——— */
.dk-article-wrap {
  padding-bottom: var(--dk-space-20);
}

.dk-article-sticky-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 0.5px solid var(--dk-ash-soft);
  background: var(--dk-bg);
}
.dk-article-sticky-inner {
  max-width: var(--dk-content-max);
  margin: 0 auto;
  padding: var(--dk-space-3) var(--dk-space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--dk-space-3);
  font-size: var(--dk-text-sm);
}
.dk-article-sticky-inner a {
  color: var(--dk-fg-muted);
  text-decoration: none;
}
.dk-article-sticky-inner a:hover { color: var(--dk-fg); }

#read-progress-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 50;
  background: var(--dk-ash-soft);
}
#read-progress {
  height: 100%;
  background: var(--dk-fg);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.15s var(--dk-ease);
}

.dk-article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dk-space-12);
  padding: var(--dk-space-10) 0;
}
@media (min-width: 1024px) {
  .dk-article-layout {
    grid-template-columns: 11rem minmax(0, 42rem);
    gap: var(--dk-space-12);
    align-items: start;
  }
}

.dk-toc {
  display: none;
  position: sticky;
  top: 5rem;
  max-height: 70vh;
  overflow-y: auto;
}
@media (min-width: 1024px) {
  .dk-toc { display: block; }
}
.dk-toc > p {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-subtle);
  margin: 0 0 var(--dk-space-3);
}
#toc-nav a {
  display: block;
  padding: 4px 0 4px 10px;
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
}
#toc-nav a:hover,
#toc-nav a:focus {
  color: var(--dk-fg);
  border-left-color: var(--dk-fg);
  outline: none;
}
#toc-nav a.toc-h3 { padding-left: 1rem; font-size: 11px; }

#toc-nav-mobile a {
  display: block;
  padding: 4px 0;
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-muted);
  text-decoration: none;
}
#toc-nav-mobile a:hover { color: var(--dk-fg); }
#toc-nav-mobile a.toc-h3 { padding-left: 1rem; font-size: 11px; }

.dk-article-inner { min-width: 0; width: 100%; }

.dk-breadcrumb {
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-muted);
  margin-bottom: var(--dk-space-6);
}
.dk-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.dk-breadcrumb a { color: var(--dk-fg-muted); text-decoration: none; }
.dk-breadcrumb a:hover { color: var(--dk-fg); }

.dk-article-h1 {
  font-family: var(--dk-font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  letter-spacing: var(--dk-tracking-heading);
  line-height: var(--dk-leading-heading);
  margin: 0 0 var(--dk-space-4);
}

.dk-article-dek {
  font-size: var(--dk-text-lg);
  color: var(--dk-fg-muted);
  line-height: 1.55;
  margin: 0 0 var(--dk-space-8);
}

.dk-article-byline {
  font-size: var(--dk-text-sm);
  color: var(--dk-fg-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--dk-space-2) var(--dk-space-4);
}

.dk-article-figure {
  margin: 0 0 var(--dk-space-10);
  border-radius: var(--dk-radius-lg);
  overflow: hidden;
  border: 0.5px solid var(--dk-ash-soft);
}
.dk-article-figure img {
  width: 100%;
  height: auto;
  display: block;
}

details.dk-toc-mobile {
  margin-bottom: var(--dk-space-10);
  border-bottom: 0.5px solid var(--dk-ash-soft);
  padding-bottom: var(--dk-space-4);
}
@media (min-width: 1024px) {
  details.dk-toc-mobile { display: none; }
}
details.dk-toc-mobile summary {
  cursor: pointer;
  font-size: var(--dk-text-sm);
  color: var(--dk-fg);
}

/* Prose — article body */
.blog-prose {
  font-size: var(--dk-text-base);
  line-height: var(--dk-leading-body);
  color: var(--dk-fg-muted);
}
.blog-prose h1 { font-size: var(--dk-text-h2); font-weight: 500; margin: 2rem 0 1rem; color: var(--dk-fg); scroll-margin-top: 5rem; }
.blog-prose h2 { font-size: var(--dk-text-h3); font-weight: 500; margin: 2rem 0 0.75rem; color: var(--dk-fg); scroll-margin-top: 5rem; }
.blog-prose h3 { font-size: var(--dk-text-h4); font-weight: 500; margin: 1.5rem 0 0.5rem; color: var(--dk-fg); scroll-margin-top: 5rem; }
.blog-prose p, .blog-prose li, .blog-prose td, .blog-prose th {
  color: var(--dk-fg-muted);
}
.blog-prose p { margin-bottom: 1.15rem; }
.blog-prose ul, .blog-prose ol { margin-bottom: 1.15rem; padding-left: 1.35rem; }
.blog-prose a {
  color: var(--dk-fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.blog-prose blockquote {
  border-left: 2px solid var(--dk-ash-soft);
  padding-left: var(--dk-space-4);
  margin: 1.25rem 0;
  color: var(--dk-fg-muted);
}
.blog-prose pre {
  margin: 1.25rem 0;
  border: 0.5px solid var(--dk-ash-soft);
  border-radius: var(--dk-radius-md);
  overflow-x: auto;
  background: var(--dk-bg-elevated);
}
.blog-prose p code, .blog-prose li code {
  font-family: var(--dk-font-mono);
  font-size: 0.9em;
  background: var(--dk-ash-softer);
  padding: 0.1rem 0.35rem;
  border-radius: var(--dk-radius-sm);
}

.dk-article-share {
  margin-top: var(--dk-space-12);
  padding-top: var(--dk-space-10);
  border-top: 0.5px solid var(--dk-ash-soft);
}
.dk-article-share > p {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-subtle);
  margin: 0 0 var(--dk-space-4);
}
.dk-article-share a, .dk-article-share button {
  font-size: var(--dk-text-sm);
  color: var(--dk-fg-muted);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--dk-font-body);
  padding: 0;
  margin-right: var(--dk-space-6);
}
.dk-article-share a:hover, .dk-article-share button:hover { color: var(--dk-fg); }

.dk-article-author {
  margin-top: var(--dk-space-12);
  padding-top: var(--dk-space-10);
  border-top: 0.5px solid var(--dk-ash-soft);
}
.dk-article-author-box {
  display: flex;
  gap: var(--dk-space-4);
  align-items: flex-start;
}
.dk-article-author-avatar {
  width: 3rem;
  height: 3rem;
  border: 0.5px solid var(--dk-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: var(--dk-text-sm);
  flex-shrink: 0;
}

.dk-related {
  margin-top: var(--dk-space-12);
  padding-top: var(--dk-space-10);
  border-top: 0.5px solid var(--dk-ash-soft);
}
.dk-related h2 {
  font-family: var(--dk-font-mono);
  font-size: var(--dk-text-nano);
  letter-spacing: var(--dk-tracking-overline);
  text-transform: uppercase;
  color: var(--dk-fg-subtle);
  margin: 0 0 var(--dk-space-6);
}
.dk-related ul { list-style: none; margin: 0; padding: 0; }
.dk-related li { margin-bottom: var(--dk-space-6); }
.dk-related a {
  text-decoration: none;
  color: var(--dk-fg);
  font-weight: 500;
}
.dk-related a:hover { text-decoration: underline; }
.dk-related span {
  display: block;
  font-size: var(--dk-text-xs);
  color: var(--dk-fg-muted);
  margin-top: 4px;
  font-family: var(--dk-font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (prefers-color-scheme: dark) {
  .dk-blog-body .dk-btn-primary { background: var(--dk-bone); color: var(--dk-ink); }
}