.crumbs {
  margin-top: 1.4rem;
  padding-top: 0;
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--f-mono);
  font-size: .82rem;
  color: var(--c-ink-soft);
}

.crumbs a {
  color: var(--c-ink-soft);
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--c-core-deep);
}

.crumb-sep {
  color: var(--c-line);
}

.crumbs span:last-child {
  color: var(--c-ink);
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2rem;
}

.tag-btn {
  border: 1px solid var(--c-line);
  background: var(--c-pane);
  color: var(--c-ink-soft);
  font-family: var(--f-mono);
  font-size: .8rem;
  padding: .5rem 1rem;
  cursor: pointer;
  border-radius: var(--edge);
  transition: border-color .15s, color .15s, background .15s;
}

.tag-btn:hover {
  border-color: var(--c-core);
  color: var(--c-core-deep);
}

.tag-btn.is-active {
  background: var(--c-core);
  border-color: var(--c-core);
  color: var(--c-on-core);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.post-card {
  background: var(--c-pane);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--c-ink-soft);
}

.post-card h3 {
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0;
}

.post-card h3 a {
  color: var(--c-ink);
  text-decoration: none;
}

.post-card h3 a:hover {
  color: var(--c-core-deep);
}

.post-card p {
  color: var(--c-ink-soft);
  font-size: .9rem;
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}

.blog-empty {
  padding: 2rem 0;
  color: var(--c-ink-soft);
  font-family: var(--f-mono);
}

@media (max-width: 900px) {
  .post-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .post-grid { grid-template-columns: 1fr; }
}

.article-hero {
  padding-top: 1.4rem;
  padding-bottom: 2.2rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-family: var(--f-mono);
  font-size: .82rem;
  color: var(--c-ink-soft);
  margin-bottom: 1rem;
}

.article-hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  margin: 0 0 1rem;
}

.article-summary {
  color: var(--c-ink-soft);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 760px;
}

.article-body {
  max-width: 760px;
  padding-bottom: 2.4rem;
}

.article-body h2 {
  font-size: 1.4rem;
  margin: 2.4rem 0 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--c-line);
}

.article-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-body h3 {
  font-size: 1.1rem;
  margin: 1.6rem 0 .8rem;
}

.article-body p {
  color: var(--c-ink);
  line-height: 1.85;
  margin: 0 0 1.1rem;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.2rem;
  padding-left: 1.4rem;
  color: var(--c-ink);
  line-height: 1.8;
}

.article-body li {
  margin-bottom: .5rem;
}

.article-body pre {
  background: var(--c-code-bg);
  color: var(--c-code-ink);
  padding: 1rem 1.2rem;
  overflow-x: auto;
  border-radius: var(--edge);
  font-family: var(--f-mono);
  font-size: .85rem;
  margin: 0 0 1.2rem;
  line-height: 1.6;
}

.article-body code {
  font-family: var(--f-mono);
  font-size: .88em;
}

.article-body p code,
.article-body li code {
  background: var(--c-pane-2);
  border: 1px solid var(--c-line);
  padding: .1rem .35rem;
  color: var(--c-core-deep);
}

.article-body blockquote {
  border-left: 2px solid var(--c-core);
  margin: 0 0 1.2rem;
  padding: .2rem 0 .2rem 1.2rem;
  color: var(--c-ink-soft);
}

.endcta {
  max-width: 760px;
  border: 1px solid var(--c-line);
  background: var(--c-pane-2);
  padding: 2rem;
  margin: 1rem 0 3rem;
}

.endcta h2 {
  margin: 0 0 .6rem;
  font-size: 1.25rem;
  border-top: none;
  padding-top: 0;
}

.endcta p {
  color: var(--c-ink-soft);
  margin: 0 0 1.4rem;
  line-height: 1.7;
}

#related-posts {
  padding-bottom: 1rem;
}

.postnav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin: 1rem 0 3rem;
}

.postnav-card {
  background: var(--c-pane);
  padding: 1.4rem 1.6rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  transition: background .15s;
}

.postnav-card:hover {
  background: var(--c-pane-2);
}

.postnav-card--next {
  text-align: right;
  align-items: flex-end;
}

.postnav-label {
  font-family: var(--f-mono);
  font-size: .75rem;
  color: var(--c-core-deep);
}

.postnav-title {
  color: var(--c-ink);
  font-size: .92rem;
  line-height: 1.5;
}

@media (max-width: 620px) {
  .postnav-row { grid-template-columns: 1fr; }
  .postnav-card--next { text-align: left; align-items: flex-start; }
}