:root {
  --blog-reading-width: 56rem;
  --blog-list-width: var(--content-width);
  --blog-gutter: clamp(1.25rem, 4vw, 2rem);
  --blog-hero-block-space: clamp(2rem, 5vw, 3.75rem);
  --blog-section-gap: clamp(2.5rem, 6vw, 4.5rem);
  --blog-card-gap: clamp(1rem, 2.5vw, 1.5rem);
  --blog-copy-size: 1rem;
  --blog-copy-leading: 1.85;
  --blog-title-size: clamp(2rem, 5vw, 3rem);
  --article-title-size: clamp(1.9rem, 4.8vw, 2.6rem);
  --article-h2-size: clamp(1.3rem, 3vw, 1.6rem);
  --article-h3-size: clamp(1.12rem, 2.5vw, 1.3rem);
  --blog-label-size: 0.78rem;
  --blog-meta-size: 0.86rem;
  --blog-stamp-size: clamp(4.6rem, 11vw, 6.5rem);
  --blog-stamp-rotation: -11deg;
  --blog-lift: -0.25rem;
  --blog-line: 1px;
  --blog-line-strong: 2px;
  --blog-terminal-space: 1.4rem;
  --blog-transition: 180ms ease;
}

.blog-index-hero,
.blog-directory,
.article-hero,
.reading-wrap,
.breadcrumbs,
.article-footer-area {
  box-sizing: border-box;
}

.blog-index-hero {
  width: min(
    calc(var(--blog-reading-width) + (var(--blog-gutter) * 2)),
    calc(100% - (var(--blog-gutter) * 2))
  );
  margin: var(--blog-section-gap) auto 0;
  padding: var(--blog-hero-block-space) var(--blog-gutter);
  overflow: hidden;
  position: relative;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-accent) 8%, var(--color-panel)),
      color-mix(in srgb, var(--color-accent-pair) 10%, var(--color-panel))
    );
  box-shadow: var(--shadow-card);
}

.blog-index-hero::before,
.article-hero::before {
  content: "HX";
  position: absolute;
  top: var(--blog-gutter);
  right: var(--blog-gutter);
  width: var(--blog-stamp-size);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: var(--blog-line-strong) solid
    color-mix(in srgb, var(--color-accent) 70%, transparent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0.08em;
  transform: rotate(var(--blog-stamp-rotation));
  opacity: 0.72;
}

.blog-index-hero::after,
.article-hero::after {
  content: "";
  position: absolute;
  top: calc(var(--blog-gutter) + 0.4rem);
  right: calc(var(--blog-gutter) + 0.4rem);
  width: calc(var(--blog-stamp-size) - 0.8rem);
  aspect-ratio: 1;
  border: var(--blog-line) solid
    color-mix(in srgb, var(--color-accent) 45%, transparent);
  border-radius: var(--radius-pill);
  transform: rotate(var(--blog-stamp-rotation));
  pointer-events: none;
}

.blog-index-hero-inner {
  position: relative;
  z-index: 1;
  max-width: calc(var(--blog-reading-width) - var(--blog-stamp-size));
}

.blog-eyebrow,
.section-kicker {
  margin: 0 0 0.8rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--blog-label-size);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-index-hero h1,
.article-hero h1,
.article-card h3,
.related-card h3,
.prose h2,
.prose h3 {
  text-wrap: pretty;
}

.blog-index-hero h1 {
  max-width: 42rem;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--blog-title-size);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.018em;
}

.blog-index-hero p:last-child {
  max-width: 42rem;
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-directory {
  width: min(var(--blog-list-width), calc(100% - (var(--blog-gutter) * 2)));
  margin: var(--blog-section-gap) auto;
}

.blog-directory-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--blog-card-gap);
  margin-bottom: 1.25rem;
}

.blog-directory-head h2 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.015em;
}

.blog-result-count {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-meta-size);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.blog-filter {
  min-height: 2.55rem;
  padding: 0.62rem 1rem;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font: 700 var(--blog-meta-size) / 1 var(--font-body);
  cursor: pointer;
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    color var(--blog-transition),
    background-color var(--blog-transition);
}

.blog-filter:hover {
  transform: translateY(var(--blog-lift));
  border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border));
  color: var(--color-accent);
}

.blog-filter:focus-visible {
  outline: var(--blog-line-strong) solid var(--color-accent);
  outline-offset: 0.18rem;
}

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

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

.article-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.article-card:hover {
  transform: translateY(var(--blog-lift));
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  box-shadow: var(--shadow-card);
}

.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-muted);
  font-size: var(--blog-meta-size);
}

.article-meta .tag,
.related-card-meta .tag,
.article-hero-meta .tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-weight: 750;
}

.article-meta time,
.related-card-meta time,
.article-hero-meta time,
.article-readtime {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.35rem 0.7rem;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-panel) 82%, transparent);
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.article-card h3 {
  margin: 1rem 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.45;
  letter-spacing: -0.012em;
}

.article-card > p {
  margin: 0.8rem 0 1.2rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.article-card .link-arrow {
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 750;
  text-decoration: none;
}

.article-card .link-arrow:hover {
  color: var(--color-accent-deep);
}

.blog-empty {
  margin: 1.5rem 0 0;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--color-slot);
  color: var(--color-muted);
  text-align: center;
}

.breadcrumbs {
  width: calc(var(--blog-reading-width) + (var(--blog-gutter) * 2));
  max-width: 100%;
  margin: 0 auto;
  padding: 1.5rem var(--blog-gutter) 0;
  color: var(--color-muted);
  font-size: var(--blog-meta-size);
}

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

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

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

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

.article-hero {
  width: calc(var(--blog-reading-width) + (var(--blog-gutter) * 2));
  max-width: 100%;
  min-height: 20rem;
  margin: 1.25rem auto 0;
  padding: var(--blog-hero-block-space) var(--blog-gutter);
  overflow: hidden;
  position: relative;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(
      145deg,
      var(--color-slot),
      color-mix(in srgb, var(--color-accent-pair) 9%, var(--color-panel))
    );
  box-shadow: var(--shadow-card);
}

.article-hero-content {
  position: relative;
  z-index: 1;
  max-width: calc(var(--blog-reading-width) - var(--blog-stamp-size));
}

.article-hero h1 {
  max-width: 46rem;
  margin: 1.1rem 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--article-title-size);
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: -0.018em;
}

.article-hero-summary {
  max-width: 44rem;
  margin: 1.15rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.article-body,
.prose {
  counter-reset: article-section;
  color: var(--color-ink);
  font-size: var(--blog-copy-size);
  line-height: var(--blog-copy-leading);
}

.article-body {
  padding-top: 1.75rem;
}

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

.prose p,
.article-body p {
  margin: 1rem 0;
}

.prose h2,
.article-body h2 {
  counter-increment: article-section;
  margin: 2.8rem 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--article-h2-size);
  line-height: 1.4;
  letter-spacing: -0.012em;
}

.prose h2::before,
.article-body h2::before {
  content: counter(article-section, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72em;
  font-weight: 800;
  vertical-align: 0.12em;
}

.prose h3,
.article-body h3 {
  margin: 2rem 0 0.75rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--article-h3-size);
  line-height: 1.45;
  letter-spacing: -0.008em;
}

.prose a,
.article-body a {
  color: var(--color-accent);
  text-decoration-thickness: var(--blog-line);
  text-underline-offset: 0.18em;
}

.prose a:hover,
.article-body a:hover {
  color: var(--color-accent-deep);
}

.prose ul,
.prose ol,
.article-body ul,
.article-body ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.prose li + li,
.article-body li + li {
  margin-top: 0.5rem;
}

.prose blockquote,
.article-body blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 0.25rem solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
  color: var(--color-muted);
}

.prose pre,
.article-body pre {
  position: relative;
  margin: 1.5rem 0;
  padding: calc(var(--blog-terminal-space) + 1.1rem) var(--blog-terminal-space)
    var(--blog-terminal-space);
  overflow-x: auto;
  border: var(--blog-line) solid
    color-mix(in srgb, var(--color-ink) 82%, var(--color-border));
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  color: var(--color-panel);
  box-shadow: var(--shadow-card);
  font-family: var(--font-mono);
  line-height: 1.7;
}

.prose pre::before,
.article-body pre::before {
  content: "TERMINAL";
  position: absolute;
  top: 0.72rem;
  left: var(--blog-terminal-space);
  color: color-mix(in srgb, var(--color-panel) 58%, transparent);
  font-size: var(--blog-label-size);
  letter-spacing: 0.12em;
}

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

.prose :not(pre) > code,
.article-body :not(pre) > code {
  padding: 0.16rem 0.38rem;
  border-radius: var(--radius-xs);
  background: var(--color-slot);
  color: var(--color-accent-deep);
  font-size: 0.92em;
}

.table-scroll {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-md);
}

.prose table,
.article-body table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-panel);
  font-size: 0.94rem;
}

.prose th,
.article-body th,
.data-table th {
  padding: 0.9rem 1rem;
  border: var(--blog-line) solid
    color-mix(in srgb, var(--color-accent-deep) 78%, var(--color-border));
  background: var(--color-accent-deep);
  color: var(--color-panel);
  font-weight: 750;
  text-align: left;
  white-space: nowrap;
}

.prose td,
.article-body td,
.data-table td {
  padding: 0.85rem 1rem;
  border: var(--blog-line) solid var(--color-border);
  vertical-align: top;
}

.prose tbody tr:nth-child(even),
.article-body tbody tr:nth-child(even),
.data-table tbody tr:nth-child(even) {
  background: var(--color-slot);
}

.prose tbody tr:hover,
.article-body tbody tr:hover,
.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
}

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem 1.1rem 3.6rem;
  border-left: 0.25rem solid var(--color-accent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-panel));
  color: var(--color-ink);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.15rem;
  left: 1.15rem;
  width: 1.55rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: var(--blog-meta-size);
  font-weight: 800;
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 10%, var(--color-panel));
}

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

.callout.success {
  border-left-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 9%, var(--color-panel));
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0;
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 0.22rem;
  background: var(--color-accent);
}

.stat-card:nth-child(even) {
  background: color-mix(in srgb, var(--color-accent-pair) 9%, var(--color-panel));
}

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

.stat-num {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800;
  line-height: 1.25;
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--color-muted);
  font-size: var(--blog-meta-size);
  line-height: 1.6;
}

.check-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 0.85rem 1rem;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.check-list li + li {
  margin-top: 0.7rem;
}

.verdict {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 0.3rem solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--color-accent) 11%, var(--color-panel)),
      var(--color-panel)
    );
  color: var(--color-ink);
}

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

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 3rem 0 0;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  position: relative;
  overflow: hidden;
  border: var(--blog-line) solid
    color-mix(in srgb, var(--color-panel) 35%, transparent);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, var(--color-accent-deep), var(--color-accent-pair));
  color: var(--color-panel);
  box-shadow: var(--shadow-deep);
}

.promo-block::after {
  content: "HX";
  position: absolute;
  right: 1.5rem;
  bottom: -1.2rem;
  color: color-mix(in srgb, var(--color-panel) 13%, transparent);
  font-family: var(--font-display);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

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

.promo-brand {
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: var(--blog-label-size);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.promo-block h2 {
  margin: 0.5rem 0 0;
  color: var(--color-panel);
  font-size: var(--article-h2-size);
}

.promo-block p {
  margin: 0.65rem 0 0;
  color: color-mix(in srgb, var(--color-panel) 86%, transparent);
}

.promo-block .btn-primary {
  flex: 0 0 auto;
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-accent-deep);
  box-shadow: var(--shadow-soft);
}

.promo-block .btn-primary:hover {
  border-color: var(--color-slot);
  background: var(--color-slot);
  color: var(--color-accent-deep);
}

#related-posts {
  padding-top: 2.5rem;
}

#related-posts > h2 {
  margin: 0 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--article-h2-size);
}

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

.related-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 1.15rem;
  position: relative;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.related-card::before,
.post-nav-card::before {
  content: "";
  position: absolute;
  inset: 0 1rem auto;
  height: 0.18rem;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--blog-transition);
}

.related-card:hover,
.post-nav-card:hover {
  transform: translateY(var(--blog-lift));
  border-color: color-mix(in srgb, var(--color-accent) 48%, var(--color-border));
  box-shadow: var(--shadow-card);
}

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

.related-card h3 {
  margin: 0.9rem 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

.related-card p {
  margin: 0.65rem 0 1rem;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.related-card-link {
  margin-top: auto;
  color: var(--color-accent);
  font-size: var(--blog-meta-size);
  font-weight: 750;
  text-decoration: none;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.post-nav-card {
  min-width: 0;
  display: block;
  padding: 1.15rem;
  position: relative;
  border: var(--blog-line) solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-ink);
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.post-nav-card:nth-child(2) {
  text-align: right;
}

.post-nav-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--blog-label-size);
  font-weight: 750;
}

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

@media (max-width: 860px) {
  .blog-card-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .prose table,
  .article-body table,
  .prose > .data-table,
  .article-body > .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }
}

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

  .blog-index-hero,
  .blog-directory {
    width: calc(100% - (var(--blog-gutter) * 2));
  }

  .blog-index-hero {
    padding-top: calc(var(--blog-hero-block-space) + 2rem);
  }

  .blog-index-hero-inner,
  .article-hero-content {
    max-width: 100%;
  }

  .blog-index-hero::before,
  .article-hero::before {
    width: 4rem;
  }

  .blog-index-hero::after,
  .article-hero::after {
    width: 3.2rem;
  }

  .blog-directory-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-hero {
    min-height: 0;
    padding-top: calc(var(--blog-hero-block-space) + 2rem);
  }

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

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

  .post-nav-card:nth-child(2) {
    text-align: left;
  }
}

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

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