:root {
  --blog-reading-column: 56rem;
  --blog-column-shell: calc(var(--blog-reading-column) + (var(--gutter) * 2));
  --blog-copy-size: 1rem;
  --blog-copy-leading: 1.85;
  --blog-card-shift: 0.22rem;
  --blog-stamp-angle: -11deg;
  --blog-stamp-size: 6.5rem;
  --blog-terminal-ink: color-mix(in srgb, var(--color-ink) 94%, var(--color-panel));
  --blog-terminal-text: color-mix(in srgb, var(--color-panel) 88%, var(--color-page));
  --blog-accent-tint: color-mix(in srgb, var(--color-accent) 9%, 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) 11%, var(--color-panel));
  --blog-row-tint: color-mix(in srgb, var(--color-panel-muted) 46%, var(--color-panel));
  --blog-row-hover: color-mix(in srgb, var(--color-accent) 6%, var(--color-panel));
  --blog-promo-start: var(--color-accent);
  --blog-promo-end: var(--color-accent-strong);
}

.no-break {
  white-space: nowrap;
}

.blog-list-page,
.article-page {
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-body);
}

.blog-index-section {
  padding-top: clamp(2.5rem, 6vw, 5rem);
}

.blog-index-wrap {
  max-width: var(--blog-column-shell);
}

.blog-index-hero,
.article-hero {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: var(--blog-column-shell);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 4.5rem) max(var(--gutter), 1.5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel-muted);
  box-shadow: var(--shadow-low);
}

.blog-index-copy {
  max-width: calc(var(--blog-reading-column) - 9rem);
}

.blog-index-hero h1,
.article-hero h1,
.article-card-title,
.related-title,
.related-card h3 {
  text-wrap: pretty;
  letter-spacing: -0.02em;
}

.blog-index-hero h1 {
  max-width: 42rem;
  margin: 0.65rem 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 7vw, 3rem);
  font-weight: 900;
  line-height: 1.04;
}

.blog-index-hero p {
  max-width: 40rem;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-stamp,
.article-hero::after {
  position: absolute;
  top: clamp(1.5rem, 4vw, 2.5rem);
  right: max(var(--gutter), 1.5rem);
  width: var(--blog-stamp-size);
  height: var(--blog-stamp-size);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent);
  transform: rotate(var(--blog-stamp-angle));
  pointer-events: none;
}

.blog-stamp::before,
.article-hero::before {
  position: absolute;
  inset: 0.38rem;
  border: 1px solid currentColor;
  border-radius: inherit;
  content: "";
}

.blog-stamp {
  display: grid;
  place-content: center;
  gap: 0.1rem;
  text-align: center;
}

.blog-stamp span {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
}

.blog-stamp small {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: clamp(2rem, 5vw, 3.25rem) 0 1.5rem;
}

.blog-filter-button {
  min-height: 2.55rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-ink-muted);
  font: 700 0.9rem/1 var(--font-body);
  cursor: pointer;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.blog-filter-button:hover {
  border-color: var(--color-ink-muted);
  color: var(--color-ink);
  transform: translateY(calc(var(--blog-card-shift) * -1));
}

.blog-filter-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  outline-offset: 2px;
}

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

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

.article-card {
  position: relative;
  min-width: 0;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.article-card::before,
.related-card::before,
.post-nav-card::before {
  position: absolute;
  top: 0;
  right: 1rem;
  left: 1rem;
  height: 2px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transition: opacity 180ms ease;
}

.article-card:hover,
.related-card:hover,
.post-nav-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 52%, var(--color-line));
  box-shadow: var(--shadow-high);
  transform: translateY(calc(var(--blog-card-shift) * -1));
}

.article-card:hover::before,
.related-card:hover::before,
.post-nav-card:hover::before {
  opacity: 1;
}

.article-meta,
.article-hero-meta,
.related-card-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-meta .tag,
.article-hero-meta .tag,
.related-card-meta .tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.32rem 0.65rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-body);
  font-weight: 700;
}

.article-meta time,
.article-hero-meta time,
.article-hero-meta .read-time,
.related-card-meta time {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
}

.article-card-title {
  margin: 1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 850;
  line-height: 1.35;
}

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

.article-card-title a:hover,
.related-card h3 a:hover {
  color: var(--color-accent);
}

.article-card > p {
  margin: 0 0 1.15rem;
  color: var(--color-ink-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.article-link {
  color: var(--color-accent);
  font-weight: 800;
  text-decoration: none;
}

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

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

.breadcrumb-wrap,
.article-breadcrumb {
  width: 100%;
  max-width: var(--blog-column-shell);
  margin: 0 auto;
  padding: 1.35rem max(var(--gutter), 1.5rem) 0;
}

.breadcrumb,
.article-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  color: var(--color-ink-muted);
  font-size: 0.88rem;
  list-style: none;
}

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

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

.article-breadcrumb li + li::before {
  margin-right: 0.45rem;
  color: var(--color-line);
  content: "/";
}

.article-hero {
  margin-top: 1.25rem;
  background: var(--color-panel);
}

.article-hero::after {
  display: grid;
  place-content: center;
  box-sizing: border-box;
  font: 900 1.4rem/1 var(--font-display);
  text-align: center;
  content: "20";
}

.article-hero-copy {
  max-width: calc(var(--blog-reading-column) - 8rem);
}

.article-hero h1 {
  max-width: 47rem;
  margin: 1rem 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 900;
  line-height: 1.14;
}

.article-hero-summary {
  max-width: 46rem;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.reading-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--blog-column-shell);
  margin-inline: auto;
  padding-inline: max(var(--gutter), 1.5rem);
}

.article-body,
.post-body,
.prose[data-article] {
  color: var(--color-ink);
  font-size: var(--blog-copy-size);
  line-height: var(--blog-copy-leading);
}

.article-body {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  counter-reset: article-section;
}

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

.article-body p,
.post-body p,
.prose[data-article] p {
  margin: 0 0 1.25rem;
}

.article-body h2,
.post-body h2,
.prose[data-article] h2 {
  position: relative;
  margin: 3rem 0 1.1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  font-weight: 850;
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  counter-increment: article-section;
}

.article-body h2::before,
.post-body h2::before,
.prose[data-article] h2::before {
  display: inline-block;
  min-width: 2.15rem;
  margin-right: 0.7rem;
  padding: 0.22rem 0.35rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: var(--color-panel);
  font: 700 0.68rem/1.35 var(--font-mono);
  text-align: center;
  vertical-align: 0.25em;
  content: counter(article-section, decimal-leading-zero);
}

.article-body h3,
.post-body h3,
.prose[data-article] h3 {
  margin: 2rem 0 0.85rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.3rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body ul,
.article-body ol,
.post-body ul,
.post-body ol,
.prose[data-article] ul,
.prose[data-article] ol {
  margin: 0 0 1.4rem;
  padding-left: 1.4rem;
}

.article-body li,
.post-body li,
.prose[data-article] li {
  margin: 0.45rem 0;
  padding-left: 0.2rem;
}

.article-body a,
.post-body a,
.prose[data-article] a {
  color: var(--color-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

.article-body a:hover,
.post-body a:hover,
.prose[data-article] a:hover {
  color: var(--color-accent-strong);
}

.article-body blockquote,
.post-body blockquote,
.prose[data-article] blockquote {
  margin: 1.8rem 0;
  padding: 1.2rem 1.4rem;
  border-left: 3px solid var(--color-ink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-muted);
  color: var(--color-ink-muted);
}

.article-body blockquote p:last-child,
.post-body blockquote p:last-child,
.prose[data-article] blockquote p:last-child {
  margin-bottom: 0;
}

.article-body pre,
.post-body pre,
.prose[data-article] pre {
  position: relative;
  max-width: 100%;
  margin: 1.8rem 0;
  padding: 2.9rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-ink-muted);
  border-radius: var(--radius-md);
  background: var(--blog-terminal-ink);
  color: var(--blog-terminal-text);
  box-shadow: var(--shadow-low);
  font: 0.88rem/1.75 var(--font-mono);
}

.article-body pre::before,
.post-body pre::before,
.prose[data-article] pre::before {
  position: absolute;
  top: 1rem;
  left: 1.1rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--color-error);
  box-shadow:
    1.05rem 0 0 var(--color-warning),
    2.1rem 0 0 var(--color-success);
  content: "";
}

.article-body pre code,
.post-body pre code,
.prose[data-article] pre code {
  color: inherit;
  font: inherit;
}

.article-body code:not(pre code),
.post-body code:not(pre code),
.prose[data-article] code:not(pre code) {
  padding: 0.15em 0.35em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel-muted);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.table-scroll {
  max-width: 100%;
  margin: 1.8rem 0;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.article-body table,
.post-body table,
.prose[data-article] table,
.prose > .data-table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  background: var(--color-panel);
  font-size: 0.92rem;
}

.article-body th,
.article-body td,
.post-body th,
.post-body td,
.prose[data-article] th,
.prose[data-article] td,
.prose > .data-table th,
.prose > .data-table td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.article-body thead th,
.post-body thead th,
.prose[data-article] thead th,
.prose > .data-table thead th {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-panel);
  font-weight: 800;
}

.article-body tbody tr:nth-child(even),
.post-body tbody tr:nth-child(even),
.prose[data-article] tbody tr:nth-child(even),
.prose > .data-table tbody tr:nth-child(even) {
  background: var(--blog-row-tint);
}

.article-body tbody tr:hover,
.post-body tbody tr:hover,
.prose[data-article] tbody tr:hover,
.prose > .data-table tbody tr:hover {
  background: var(--blog-row-hover);
}

.callout {
  position: relative;
  margin: 1.8rem 0;
  padding: 1.25rem 1.35rem 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-accent-tint);
}

.callout::before {
  position: absolute;
  top: 1.2rem;
  left: 1.15rem;
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: var(--color-accent);
  font: 800 0.9rem/1 var(--font-mono);
  content: "i";
}

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

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

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

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

.callout-title {
  margin-bottom: 0.35rem;
  color: var(--color-ink);
  font-weight: 850;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.8rem;
  margin: 1.8rem 0;
}

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

.stat-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.25rem;
  background: var(--color-accent);
  content: "";
}

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

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

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

.stat-num {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.15;
}

.stat-label {
  color: var(--color-ink-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.check-list {
  margin: 1.8rem 0;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  list-style: none;
}

.check-list li + li {
  border-top: 1px solid var(--color-line);
}

.verdict {
  margin: 1.8rem 0;
  padding: 1.15rem 1.3rem;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--blog-accent-tint);
  color: var(--color-ink);
}

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

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

.promo-block,
.article-promo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: var(--blog-reading-column);
  margin: 3rem auto 0;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  overflow: hidden;
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blog-promo-start), var(--blog-promo-end));
  color: var(--color-panel);
  box-shadow: var(--shadow-high);
}

.promo-block::before,
.article-promo::before {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  left: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--color-panel) 42%, transparent);
  border-radius: var(--radius-sm);
  content: "";
  pointer-events: none;
}

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

.promo-brand {
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
}

.promo-block p,
.article-promo p {
  margin: 0;
  color: var(--color-panel);
}

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

.promo-block .btn-primary:hover,
.article-promo .btn-primary:hover {
  border-color: var(--color-panel);
  background: var(--color-panel-muted);
  color: var(--color-accent-strong);
}

#related-posts {
  width: 100%;
  max-width: var(--blog-column-shell);
  margin-inline: auto;
  padding: 3rem max(var(--gutter), 1.5rem) 1.5rem;
}

.related-title {
  margin: 0 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  font-weight: 850;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.related-card {
  position: relative;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-low);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.related-card h3 {
  margin: 0.85rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.45;
}

.related-card p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  width: 100%;
  max-width: var(--blog-column-shell);
  margin-inline: auto;
  padding: 0 max(var(--gutter), 1.5rem) 3rem;
}

.post-nav-card {
  position: relative;
  display: block;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-ink);
  text-decoration: none;
  box-shadow: var(--shadow-low);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

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

.post-nav-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-accent);
  font: 700 0.74rem/1.4 var(--font-mono);
}

.post-nav-card strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.96rem;
  line-height: 1.55;
}

@media (max-width: 860px) {
  .article-body table,
  .post-body table,
  .prose[data-article] table,
  .prose > .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

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

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

  .blog-stamp,
  .article-hero::after {
    top: 1.25rem;
    right: 1.25rem;
    width: 4.7rem;
    height: 4.7rem;
  }

  .blog-index-copy,
  .article-hero-copy {
    max-width: 100%;
    padding-top: 4.7rem;
  }

  .promo-block,
  .article-promo {
    align-items: stretch;
    flex-direction: column;
  }

  .promo-block .btn-primary,
  .article-promo .btn-primary {
    width: 100%;
    text-align: center;
  }

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

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

@media (max-width: 480px) {
  .blog-index-hero,
  .article-hero {
    padding-inline: 1.5rem;
  }

  .blog-filter {
    gap: 0.5rem;
  }

  .blog-filter-button {
    flex: 1 1 auto;
  }

  .article-body h2::before,
  .post-body h2::before,
  .prose[data-article] h2::before {
    min-width: 1.95rem;
    margin-right: 0.45rem;
  }

  .callout {
    padding: 3.4rem 1.1rem 1.1rem;
  }

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

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

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