:root {
  --blog-reading-width: 56rem;
  --article-content-inset: clamp(1.5rem, 5vw, 3.5rem);
  --blog-terminal-bg: #26251F;
  --blog-terminal-text: #FFFFFF;
  --blog-accent-tint: color-mix(in srgb, var(--color-accent) 10%, var(--color-panel));
  --blog-success-tint: color-mix(in srgb, var(--color-success) 10%, var(--color-panel));
  --blog-warning-tint: color-mix(in srgb, var(--color-warning) 12%, var(--color-panel));
  --blog-row-tint: color-mix(in srgb, var(--color-panel-muted) 58%, var(--color-panel));
  --blog-hover-tint: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
}

.blog-reading,
.article-reading,
.breadcrumb-wrap,
.article-hero,
.article-body,
.promo-block,
#related-posts,
#post-nav {
  width: min(100% - (var(--gutter) * 2), var(--blog-reading-width));
  margin-inline: auto;
}

.blog-hero {
  padding-block: clamp(2.8rem, 7vw, 5.5rem) clamp(2rem, 5vw, 3.8rem);
}

.blog-hero-card,
.article-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 3.5rem);
  padding-inline: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.blog-hero-card::before,
.article-hero::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0.55rem;
  width: 0.2rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  content: "";
}

.blog-hero-card::after,
.article-hero::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.48;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 2rem 2rem;
  mask-image: linear-gradient(to left, var(--color-text), transparent 54%);
  pointer-events: none;
  content: "";
}

.blog-hero-card > *,
.article-hero > * {
  position: relative;
  z-index: 1;
}

.blog-hero h1,
.blog-hero-card h1 {
  max-width: 18ch;
  margin-block: 0.65rem 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: pretty;
}

.blog-hero-intro {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-hero .chip-row {
  margin-top: 1.5rem;
}

.catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.catalog-heading h2 {
  margin-block: 0.35rem 0;
  font-size: clamp(1.65rem, 4vw, 2.2rem);
  font-weight: 500;
  text-wrap: pretty;
}

.result-count {
  flex: 0 0 auto;
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.tag-filters {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  margin-bottom: 2rem;
  padding-bottom: 0.45rem;
  scrollbar-width: thin;
}

.tag-filter {
  flex: 0 0 auto;
  padding: 0.62rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-panel);
  color: var(--color-text-muted);
  font: 500 0.88rem/1 var(--font-body);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background-color 160ms ease;
}

.tag-filter:hover,
.tag-filter:focus-visible {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.tag-filter.is-active {
  border-color: var(--color-accent);
  background-color: var(--blog-accent-tint);
  color: var(--color-accent-strong);
}

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

.article-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem 1.5rem;
  padding: clamp(1.3rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-panel);
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.article-card::before,
.related-card::before,
.post-nav-card::before {
  position: absolute;
  top: -1px;
  right: 1rem;
  left: 1rem;
  height: 0.15rem;
  border-radius: var(--radius-pill);
  background-color: transparent;
  content: "";
  transition: background-color 180ms ease;
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-0.15rem);
}

.article-card:hover::before,
.related-card:hover::before,
.post-nav-card:hover::before {
  background-color: var(--color-accent);
}

.article-meta,
.related-meta,
.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.article-meta {
  grid-column: 1 / -1;
}

.article-meta .tag,
.related-meta .tag,
.article-hero-meta .tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-body);
  font-weight: 600;
}

.article-meta time,
.related-meta time,
.article-hero-meta time,
.article-readtime {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background-color: var(--color-panel);
}

.article-card h3 {
  grid-column: 1 / -1;
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.45;
  text-wrap: pretty;
}

.article-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.article-link {
  align-self: end;
  color: var(--color-text);
  font-weight: 600;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.3em;
}

.article-link:hover,
.article-link:focus-visible {
  color: var(--color-accent-strong);
}

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

.blog-list-promo {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
}

.breadcrumb-wrap {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.breadcrumb a {
  color: inherit;
  text-decoration-color: var(--color-border);
  text-underline-offset: 0.25em;
}

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

.article-hero {
  margin-top: 1.25rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.article-hero h1 {
  max-width: 26ch;
  margin-block: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 2.6rem);
  font-weight: 550;
  letter-spacing: -0.02em;
  line-height: 1.25;
  text-wrap: pretty;
}

.article-hero-summary {
  max-width: 47rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.06rem;
  line-height: 1.85;
}

.article-body {
  counter-reset: article-section;
  width: min(100% - (var(--gutter) * 2) - (var(--article-content-inset) * 2), calc(var(--blog-reading-width) - (var(--article-content-inset) * 2)));
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
}

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

.article-body h2 {
  counter-increment: article-section;
  position: relative;
  margin-block: 3.2rem 1.15rem;
  padding-left: 3rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.4;
  text-wrap: pretty;
}

.article-body h2::before {
  position: absolute;
  top: 0.05em;
  left: 0;
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background-color: var(--blog-accent-tint);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  content: counter(article-section, decimal-leading-zero);
}

.article-body h3 {
  margin-block: 2rem 0.8rem;
  font-size: clamp(1.12rem, 2.4vw, 1.3rem);
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.5;
  text-wrap: pretty;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote {
  margin-block: 0 1.3rem;
}

.article-body ul,
.article-body ol {
  padding-left: 1.45rem;
}

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

.article-body a {
  color: var(--color-accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.article-body blockquote {
  padding: 1rem 1.25rem;
  border-left: 0.2rem solid var(--color-line);
  background-color: var(--color-panel-muted);
  color: var(--color-text-muted);
}

.table-wrap,
.article-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.article-body table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  background-color: var(--color-panel);
  font-size: 0.92rem;
}

.article-body th,
.article-body td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background-color: var(--color-text);
  color: var(--color-panel);
  font-weight: 600;
}

.article-body tbody tr:nth-child(even) {
  background-color: var(--blog-row-tint);
}

.article-body tbody tr {
  transition: background-color 150ms ease;
}

.article-body tbody tr:hover {
  background-color: var(--blog-hover-tint);
}

.article-body pre {
  position: relative;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 3rem 1.25rem 1.25rem;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-sm);
  background-color: var(--blog-terminal-bg);
  color: var(--blog-terminal-text);
  box-shadow: var(--shadow-window);
}

.article-body pre::before {
  position: absolute;
  top: 1rem;
  left: 1.1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-error);
  box-shadow:
    1rem 0 0 var(--color-warning),
    2rem 0 0 var(--color-success);
  content: "";
}

.article-body pre::after {
  position: absolute;
  top: 0.78rem;
  right: 1rem;
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  content: "ROUTE CONSOLE";
}

.article-body pre code {
  color: inherit;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
}

.callout {
  position: relative;
  margin-block: 1.6rem;
  padding: 1.2rem 1.25rem 1.2rem 3.6rem;
  border: 1px solid var(--color-border);
  border-left: 0.22rem solid var(--color-accent);
  border-radius: var(--radius-sm);
  background-color: var(--blog-accent-tint);
}

.callout::before {
  position: absolute;
  top: 1.15rem;
  left: 1.1rem;
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  content: "i";
}

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

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

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

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

.callout strong {
  display: block;
  margin-bottom: 0.3rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0.8rem;
  margin-block: 1.6rem;
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-panel);
}

.stat-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.2rem;
  background-color: var(--color-accent);
  content: "";
}

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

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

.stat-num {
  display: block;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 650;
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.check-list {
  display: grid;
  gap: 0.65rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background-color: var(--color-panel);
}

.verdict {
  margin-block: 1.6rem;
  padding: 1.1rem 1.25rem;
  border-left: 0.25rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background-color: var(--blog-accent-tint);
}

.verdict p:last-child {
  margin-bottom: 0;
}

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  overflow: hidden;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding: clamp(1.6rem, 5vw, 2.7rem);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background-color: var(--color-text);
  color: var(--color-panel);
}

.promo-block::before,
.promo-block::after {
  position: absolute;
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-pill);
  content: "";
  pointer-events: none;
}

.promo-block::before {
  right: -2rem;
  bottom: -3rem;
  width: 10rem;
  height: 10rem;
}

.promo-block::after {
  right: 2rem;
  bottom: -4rem;
  width: 7rem;
  height: 7rem;
}

.promo-block > * {
  position: relative;
  z-index: 1;
}

.promo-brand {
  margin: 0 0 0.4rem;
  color: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.promo-block h2 {
  margin-block: 0 0.5rem;
  color: var(--color-panel);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  text-wrap: pretty;
}

.promo-block p {
  margin-block: 0;
  color: var(--color-panel-muted);
  line-height: 1.7;
}

.promo-block .btn-primary {
  flex: 0 0 auto;
  border-color: var(--color-panel);
  background-color: var(--color-panel);
  color: var(--color-text);
}

.promo-block .btn-primary:hover,
.promo-block .btn-primary:focus-visible {
  border-color: var(--color-panel-muted);
  background-color: var(--color-panel-muted);
  color: var(--color-text);
}

#related-posts {
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

#related-posts h2 {
  margin-block: 0.4rem 1.25rem;
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  text-wrap: pretty;
}

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

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-panel);
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.related-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-0.15rem);
}

.related-card h3 {
  margin-block: 0.85rem 0.6rem;
  font-size: 1.05rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.related-card p {
  flex: 1;
  margin-block: 0 1rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.related-meta {
  gap: 0.4rem;
  font-size: 0.7rem;
}

#post-nav {
  padding-top: 1rem;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

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

.post-nav-card {
  position: relative;
  display: flex;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.45rem;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--color-accent);
  transform: translateY(-0.15rem);
}

.post-nav-label {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.post-nav-card strong {
  font-size: 1rem;
  line-height: 1.55;
  text-wrap: pretty;
}

@media (max-width: 48rem) {
  .catalog-heading,
  .promo-block {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .article-card .article-link {
    justify-self: start;
  }

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

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

  .promo-block .btn-primary {
    width: 100%;
  }
}

@media (max-width: 34rem) {
  .blog-hero-card,
  .article-hero {
    padding-inline: 1.5rem;
  }

  .article-body h2 {
    padding-left: 0;
    padding-top: 2.8rem;
  }

  .article-body h2::before {
    top: 0;
  }

  .callout {
    padding: 3.2rem 1rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .related-card,
  .post-nav-card,
  .tag-filter,
  .article-body tbody tr {
    transition: none;
  }

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