:root {
  --blog-reading: 56rem;
  --blog-surface-soft: color-mix(in srgb, var(--color-panel) 86%, var(--color-accent) 14%);
  --blog-surface-warm: color-mix(in srgb, var(--color-panel) 84%, var(--color-warning) 16%);
  --blog-surface-success: color-mix(in srgb, var(--color-panel) 86%, var(--color-success) 14%);
  --blog-surface-error: color-mix(in srgb, var(--color-panel) 87%, var(--color-error) 13%);
  --blog-ink-soft: color-mix(in srgb, var(--color-text) 82%, var(--color-panel) 18%);
  --blog-dark-line: color-mix(in srgb, var(--color-text) 72%, var(--color-panel) 28%);
  --blog-star: color-mix(in srgb, var(--color-accent) 32%, transparent);
}

.page-blog {
  overflow-x: clip;
}

.blog-list-hero,
.blog-index,
.blog-cta-band,
.breadcrumbs,
.article-hero,
.reading-wrap,
#related-posts,
#post-nav {
  box-sizing: border-box;
  width: min(100%, calc(var(--blog-reading) + (var(--gutter) * 2)));
  max-width: calc(var(--blog-reading) + (var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.blog-list-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(11rem, 1fr);
  gap: 2rem;
  align-items: end;
  margin-top: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(circle at 10% 22%, var(--blog-star) 0 1px, transparent 2px),
    radial-gradient(circle at 78% 35%, color-mix(in srgb, var(--color-warning) 34%, transparent) 0 1px, transparent 2px),
    linear-gradient(145deg, var(--color-panel), var(--color-panel-alt));
  background-size: 37px 37px, 53px 53px, auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-panel);
}

.blog-list-hero::before {
  position: absolute;
  top: 1rem;
  left: var(--gutter);
  width: clamp(4rem, 14vw, 8rem);
  height: 3px;
  border-radius: var(--radius-xs);
  background: linear-gradient(90deg, var(--color-accent), var(--color-coral), var(--color-warning));
  content: "";
}

.blog-kicker,
.section-eyebrow,
.article-route-code,
.blog-count {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-kicker,
.section-eyebrow {
  color: var(--color-accent-deep);
  font-size: 0.76rem;
  font-weight: 700;
}

.blog-list-hero h1 {
  max-width: 18ch;
  margin: 0.8rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 7vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  text-wrap: pretty;
}

.blog-list-hero__copy > p {
  max-width: 42rem;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.85;
}

.blog-list-hero__mark {
  display: grid;
  gap: 0;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.blog-list-hero__mark span {
  padding: 0.9rem 1rem;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.blog-list-hero__mark span + span {
  border-top: 1px dashed var(--color-line);
}

.blog-index {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.blog-index__head {
  display: flex;
  gap: 1.5rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.blog-index__head h2 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.65rem, 4vw, 2.2rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-count {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.76rem;
}

.blog-filters {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 2rem;
  padding-bottom: 0.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.blog-filter {
  flex: 0 0 auto;
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-muted);
  font: 700 0.88rem/1 var(--font-body);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.blog-filter:hover,
.blog-filter:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

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

.blog-card-list {
  display: grid;
  gap: 1rem;
}

.article-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem 1.5rem;
  padding: clamp(1.25rem, 4vw, 1.8rem);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  opacity: 1;
  transform: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.article-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--color-accent), var(--color-coral), var(--color-warning));
  content: "";
}

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-panel);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  grid-column: 1;
  gap: 0.65rem;
  align-items: center;
  justify-content: flex-start;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-tag {
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-body);
  font-weight: 800;
}

.article-route-code {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  color: var(--color-muted);
  font-size: 0.7rem;
}

.article-card h3 {
  grid-column: 1 / -1;
  margin: 0.1rem 0 0;
  font-size: clamp(1.15rem, 3vw, 1.3rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.article-card > p {
  grid-column: 1 / -1;
  max-width: 48rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.article-read-link {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  width: fit-content;
  color: var(--color-accent-deep);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.blog-empty,
.blog-noscript {
  padding: 2rem;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  color: var(--color-muted);
  text-align: center;
}

.blog-cta-band {
  position: relative;
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(3rem, 7vw, 5rem);
  padding-block: clamp(2rem, 5vw, 3rem);
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 84% 20%, color-mix(in srgb, var(--color-warning) 38%, transparent) 0 2px, transparent 3px),
    linear-gradient(125deg, var(--color-text), var(--color-accent-deep));
  background-size: 43px 43px, auto;
  box-shadow: var(--shadow-deck);
  color: var(--color-panel);
}

.blog-cta-band::before {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  width: 4.5rem;
  height: 1.5rem;
  border-top: 1px dashed var(--color-warning);
  border-bottom: 1px dashed var(--color-coral);
  content: "";
}

.blog-cta-band h2 {
  margin: 0.45rem 0 0.65rem;
  color: var(--color-panel);
  font-size: clamp(1.4rem, 4vw, 2rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-cta-band p {
  max-width: 38rem;
  margin: 0;
  color: color-mix(in srgb, var(--color-panel) 82%, transparent);
  line-height: 1.75;
}

.promo-brand {
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.blog-cta-band .button-row {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
}

.blog-cta-primary {
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-text);
}

.blog-cta-primary:hover {
  border-color: var(--color-warning);
  background: var(--blog-surface-warm);
  color: var(--color-text);
}

.blog-cta-secondary {
  border-color: var(--color-panel);
  background: transparent;
  color: var(--color-panel);
}

.blog-cta-secondary:hover {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.breadcrumbs {
  margin-top: clamp(1.25rem, 4vw, 2.5rem);
  padding-top: 0.25rem;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumbs a {
  color: var(--color-accent-deep);
}

.article-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(11rem, 1fr);
  grid-template-areas: "copy meta";
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
  margin-top: 1.25rem;
  margin-bottom: 2rem;
  padding-block: clamp(2rem, 6vw, 3.75rem);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 8% 18%, var(--blog-star) 0 1px, transparent 2px),
    radial-gradient(circle at 90% 72%, color-mix(in srgb, var(--color-warning) 34%, transparent) 0 1px, transparent 2px),
    linear-gradient(140deg, var(--color-panel), var(--color-panel-alt));
  background-size: 31px 31px, 47px 47px, auto;
  box-shadow: var(--shadow-panel);
}

.article-hero::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0;
  width: 4px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: linear-gradient(var(--color-accent), var(--color-coral), var(--color-warning));
  content: "";
}

.article-hero-copy {
  grid-area: copy;
  min-width: 0;
}

.article-hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 6vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.018em;
  text-wrap: pretty;
}

.article-hero-summary,
.article-hero-copy > p {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.04rem;
  line-height: 1.85;
}

.article-meta-card {
  grid-area: meta;
  display: grid;
  align-self: start;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.article-meta-card > span,
.article-meta-card > time,
.article-meta-card > div {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.5;
  text-align: left;
}

.article-meta-card > * + * {
  border-top: 1px dashed var(--color-line);
}

.article-meta-card .article-tag {
  border-radius: 0;
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-body);
}

.reading-wrap {
  max-width: calc(var(--blog-reading) + (var(--gutter) * 2));
  width: min(100%, calc(var(--blog-reading) + (var(--gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.article-content,
.prose {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
  counter-reset: article-section;
}

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

.article-content p,
.prose p {
  margin-block: 1rem 1.25rem;
}

.article-content h2,
.prose h2 {
  position: relative;
  margin: 3rem 0 1.15rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--color-line);
  font-size: clamp(1.35rem, 4vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  counter-increment: article-section;
}

.article-content h2::before,
.prose h2::before {
  display: inline-block;
  min-width: 2.2rem;
  margin-right: 0.65rem;
  color: var(--color-accent);
  font: 800 0.78rem/1 var(--font-mono);
  vertical-align: 0.16em;
  content: counter(article-section, decimal-leading-zero);
}

.article-content h2::after,
.prose h2::after {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5rem;
  height: 3px;
  border-radius: var(--radius-xs);
  background: linear-gradient(90deg, var(--color-accent), var(--color-coral), var(--color-warning));
  content: "";
}

.article-content h3,
.prose h3 {
  margin: 2rem 0 0.8rem;
  font-size: clamp(1.12rem, 3vw, 1.3rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-content ul,
.article-content ol,
.prose ul,
.prose ol {
  margin-block: 1rem 1.5rem;
  padding-left: 1.4rem;
}

.article-content li,
.prose li {
  margin-block: 0.55rem;
  padding-left: 0.2rem;
}

.article-content a,
.prose a {
  color: var(--color-accent-deep);
  text-decoration-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  text-underline-offset: 0.2em;
}

.article-content blockquote,
.prose blockquote {
  margin: 1.75rem 0;
  padding: 1.25rem 1.4rem;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--blog-surface-soft);
  color: var(--blog-ink-soft);
}

.article-content blockquote p,
.prose blockquote p {
  margin: 0;
}

.article-content pre,
.prose pre {
  position: relative;
  margin: 1.75rem 0;
  padding: 2.8rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--blog-dark-line);
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: var(--color-panel);
  box-shadow: var(--shadow-deck);
}

.article-content pre::before,
.prose pre::before {
  position: absolute;
  top: 0.85rem;
  left: 1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-error);
  box-shadow:
    1rem 0 0 var(--color-warning),
    2rem 0 0 var(--color-success);
  content: "";
}

.article-content pre::after,
.prose pre::after {
  position: absolute;
  top: 0.58rem;
  right: 1rem;
  color: color-mix(in srgb, var(--color-panel) 62%, transparent);
  font: 700 0.68rem/1 var(--font-mono);
  letter-spacing: 0.08em;
  content: "ROUTE LOG";
}

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

.article-content :not(pre) > code,
.prose :not(pre) > code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel-alt);
  color: var(--color-accent-deep);
  font-size: 0.9em;
}

.article-content table,
.prose table {
  width: 100%;
  margin: 1.75rem 0;
  border-collapse: collapse;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  font-size: 0.92rem;
}

.article-content th,
.article-content td,
.prose th,
.prose td {
  min-width: 8rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.article-content thead th,
.prose thead th {
  border-color: var(--blog-dark-line);
  background: var(--color-text);
  color: var(--color-panel);
}

.article-content tbody tr:nth-child(even),
.prose tbody tr:nth-child(even) {
  background: var(--color-panel-alt);
}

.article-content tbody tr:hover,
.prose tbody tr:hover {
  background: var(--blog-surface-warm);
}

.callout {
  position: relative;
  margin: 1.75rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.7rem;
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--blog-surface-soft);
}

.callout::before {
  position: absolute;
  top: 1.2rem;
  left: 1.15rem;
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent-deep);
  font: 800 0.8rem/1 var(--font-mono);
  content: "i";
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: var(--blog-surface-warm);
}

.callout.warning::before {
  border-color: var(--color-warning);
  color: var(--color-warning);
  content: "!";
}

.callout.success {
  border-left-color: var(--color-success);
  background: var(--blog-surface-success);
}

.callout.success::before {
  border-color: var(--color-success);
  color: var(--color-success);
  content: "+";
}

.callout strong {
  display: block;
  margin-bottom: 0.35rem;
}

.callout p {
  margin: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 0.8rem;
  margin: 1.75rem 0;
}

.stat-card {
  position: relative;
  min-height: 7.5rem;
  padding: 1.2rem;
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--blog-surface-soft);
}

.stat-card:nth-child(even) {
  border-color: var(--color-warning);
  background: var(--blog-surface-warm);
}

.stat-card:nth-child(3n) {
  border-color: var(--color-success);
  background: var(--blog-surface-success);
}

.stat-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--color-accent);
  content: "";
}

.stat-card:nth-child(even)::before {
  background: var(--color-warning);
}

.stat-card:nth-child(3n)::before {
  background: var(--color-success);
}

.stat-num {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-text);
  font: 900 clamp(1.35rem, 4vw, 1.8rem)/1.2 var(--font-display);
}

.stat-label {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.check-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.75rem 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.verdict {
  margin: 1.75rem 0;
  padding: 1.2rem 1.35rem;
  border-left: 5px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(110deg, var(--blog-surface-soft), var(--color-panel));
  box-shadow: var(--shadow-card);
}

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

.promo-block {
  position: relative;
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin: 3rem 0 2rem;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 86% 16%, color-mix(in srgb, var(--color-warning) 38%, transparent) 0 2px, transparent 3px),
    linear-gradient(125deg, var(--color-text), var(--color-accent-deep));
  background-size: 41px 41px, auto;
  box-shadow: var(--shadow-deck);
  color: var(--color-panel);
}

.promo-block::after {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 5rem;
  height: 2rem;
  border-top: 1px dashed var(--color-coral);
  border-bottom: 1px dashed var(--color-warning);
  content: "";
}

.promo-block h3 {
  margin: 0.45rem 0;
  color: var(--color-panel);
}

.promo-block p {
  margin: 0;
  color: color-mix(in srgb, var(--color-panel) 82%, transparent);
}

.promo-block .btn {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-text);
}

.promo-block .btn:hover {
  border-color: var(--color-warning);
  background: var(--blog-surface-warm);
  color: var(--color-text);
}

#related-posts {
  padding-top: 2rem;
}

#related-posts > h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 4vw, 1.6rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.related-card {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 1.15rem;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transition: border-color 180ms ease, transform 180ms ease;
}

.related-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-coral));
  opacity: 0;
  content: "";
  transition: opacity 180ms ease;
}

.related-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.related-card:hover::before {
  opacity: 1;
}

.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.related-card__meta span {
  color: var(--color-accent-deep);
  font-family: var(--font-body);
  font-weight: 800;
}

.related-card h3 {
  margin: 0.8rem 0 0.6rem;
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.related-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.related-card p {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.related-card__link {
  position: relative;
  z-index: 1;
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.post-nav-card {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--blog-surface-soft);
  transform: translateY(-2px);
}

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

.post-nav-card__label {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.post-nav-card strong {
  font-size: 0.92rem;
  line-height: 1.55;
}

@media (max-width: 860px) {
  .article-content table,
  .prose table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

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

@media (max-width: 720px) {
  .blog-list-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .blog-list-hero__mark {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .blog-list-hero__mark span {
    padding-inline: 0.55rem;
    text-align: center;
  }

  .blog-list-hero__mark span + span {
    border-top: 0;
    border-left: 1px dashed var(--color-line);
  }

  .blog-cta-band,
  .promo-block {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "copy";
    gap: 1.5rem;
  }

  .article-meta-card {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-meta-card > * + * {
    border-top: 0;
    border-left: 1px dashed var(--color-line);
  }

  .article-meta-card > span,
  .article-meta-card > time,
  .article-meta-card > div {
    padding-inline: 0.65rem;
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

  .blog-list-hero,
  .blog-index,
  .blog-cta-band,
  .breadcrumbs,
  .article-hero,
  .reading-wrap,
  #related-posts,
  #post-nav {
    padding-inline: var(--gutter);
  }

  .blog-index__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .article-card {
    grid-template-columns: 1fr;
  }

  .article-route-code {
    display: none;
  }

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

  .blog-list-hero__mark span + span {
    border-top: 1px dashed var(--color-line);
    border-left: 0;
  }

  .article-meta-card {
    grid-template-columns: 1fr;
  }

  .article-meta-card > * + * {
    border-top: 1px dashed var(--color-line);
    border-left: 0;
  }

  .callout {
    padding: 3.4rem 1rem 1rem;
  }

  .callout::before {
    top: 1rem;
    left: 1rem;
  }

  #post-nav {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .blog-filter,
  .related-card,
  .related-card::before,
  .post-nav-card {
    scroll-behavior: auto;
    transition: none;
  }

  .article-card:hover,
  .related-card:hover,
  .post-nav-card:hover {
    transform: none;
  }
}