.blog-hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid var(--color-border-soft);
}

.blog-hero-inner {
  max-width: var(--content-width);
}

.blog-hero .kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.blog-hero h1 {
  max-width: 54rem;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-hero p {
  max-width: 44rem;
  margin: 1.35rem 0 0;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.8;
}

.blog-catalog {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.blog-catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.blog-catalog-heading h2 {
  margin: 0.45rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-catalog-heading p {
  max-width: 28rem;
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section-index {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.blog-filter {
  min-height: 2.45rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.blog-filter:hover {
  border-color: var(--color-accent-dark);
  color: var(--color-text);
}

.blog-filter:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 3px;
}

.blog-filter.is-active {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 19rem;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.65rem 0.9rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.article-meta .tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
}

.article-card h3,
.related-card h3 {
  margin: 1.2rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-card p,
.related-card p {
  margin: 0.9rem 0 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.article-card-link,
.related-card-link {
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
}

.article-card-link:hover,
.related-card-link:hover {
  color: var(--color-text);
}

.article-card-link:focus-visible,
.related-card-link:focus-visible,
.post-nav-link:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 4px;
  border-radius: var(--radius-xs);
}

.blog-empty {
  margin: 2rem 0 0;
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

.article-breadcrumb {
  width: min(var(--reading-width), calc(100% - (var(--gutter) * 2)));
  margin: 1.5rem auto 0;
  padding-top: 0.25rem;
}

.article-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-breadcrumb li:not(:last-child)::after {
  margin-left: 0.45rem;
  color: var(--color-border);
  content: "/";
}

.article-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.article-breadcrumb a:hover {
  color: var(--color-accent);
}

.article-header {
  width: min(var(--reading-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 6vw, 4rem) clamp(2rem, 4vw, 3rem);
}

.article-header .article-meta {
  justify-content: flex-start;
}

.article-header h1 {
  margin: 1.15rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.article-summary {
  margin: 1.3rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body,
.prose {
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.prose > :first-child,
.article-body > :first-child {
  margin-top: 0;
}

.prose h2,
.article-body h2 {
  margin: 2.75rem 0 1rem;
  scroll-margin-top: var(--toc-offset);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.prose h3,
.article-body h3 {
  margin: 2rem 0 0.8rem;
  scroll-margin-top: var(--toc-offset);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2.5vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.prose p,
.article-body p {
  margin: 0 0 1.25rem;
}

.prose a,
.article-body a {
  color: var(--color-accent);
  text-underline-offset: 0.2em;
}

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

.prose ul,
.prose ol,
.article-body ul,
.article-body ol {
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
}

.prose li + li,
.article-body li + li {
  margin-top: 0.55rem;
}

.prose blockquote,
.article-body blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
  color: var(--color-text);
}

.prose pre,
.article-body pre {
  max-width: 100%;
  margin: 1.75rem 0;
  padding: 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-deep);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
}

.prose code,
.article-body code {
  font-family: var(--font-mono);
}

.prose :not(pre) > code,
.article-body :not(pre) > code {
  padding: 0.15em 0.35em;
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  color: var(--color-accent);
}

.prose .table-scroll,
.article-body .table-scroll {
  max-width: 100%;
  margin-block: 1.75rem;
  overflow-x: auto;
}

.prose > .data-table,
.article-body > .data-table {
  display: block;
  max-width: 100%;
  margin-block: 1.75rem;
  overflow-x: auto;
  border-collapse: collapse;
}

.prose table,
.article-body table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
}

.prose th,
.prose td,
.article-body th,
.article-body td {
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th,
.article-body th {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.75rem 0;
}

.stat-card {
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.stat-num {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 600;
  line-height: 1.3;
}

.stat-label {
  display: block;
  margin-top: 0.45rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.check-list {
  margin: 1.5rem 0;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  padding-left: 0;
}

.verdict {
  margin: 1.75rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-raised);
  color: var(--color-text-muted);
}

.verdict strong {
  color: var(--color-accent);
}

.promo-block {
  display: flex;
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: clamp(3rem, 7vw, 5rem) auto 0;
  padding: clamp(1.4rem, 4vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-panel);
}

.promo-copy > strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.promo-copy h2 {
  margin: 0.55rem 0 0;
  color: var(--color-text);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.promo-copy p {
  margin: 0.7rem 0 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

#related-posts {
  width: min(var(--page-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  padding-top: 1.5rem;
}

.related-heading {
  margin-bottom: 1.25rem;
}

.related-heading h2 {
  margin: 0.4rem 0 0;
  color: var(--color-text);
  font-size: clamp(1.4rem, 3vw, 1.6rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.related-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.3rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.related-card p {
  font-size: 0.92rem;
}

#post-nav {
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
  margin: 2.5rem auto 0;
  padding-bottom: 1.5rem;
}

.post-navigation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.post-nav-link {
  display: flex;
  min-width: 0;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
}

.post-nav-link.is-next {
  grid-column: 2;
  text-align: right;
}

.post-nav-link:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-raised);
}

.post-nav-direction {
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.post-nav-link strong {
  font-size: 0.95rem;
  line-height: 1.55;
}

@media (max-width: 760px) {
  .blog-catalog-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .blog-list,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-card {
    min-height: 0;
  }

  .promo-block {
    align-items: flex-start;
    flex-direction: column;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .blog-hero {
    padding-block: 3.5rem 2.75rem;
  }

  .blog-filters {
    flex-wrap: nowrap;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .blog-filter {
    flex: 0 0 auto;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .post-nav-link.is-next {
    grid-column: 1;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter {
    transition: none;
  }
}