:root {
  --blog-reading-width: 56rem;
  --blog-list-width: var(--content-max);
  --blog-panel-tint: color-mix(in srgb, var(--color-panel-alt) 72%, var(--color-panel));
  --blog-accent-tint: color-mix(in srgb, var(--color-accent) 9%, var(--color-panel));
  --blog-accent-tint-strong: color-mix(in srgb, var(--color-accent) 16%, var(--color-panel));
  --blog-warning-tint: color-mix(in srgb, var(--color-warning) 13%, var(--color-panel));
  --blog-success-tint: color-mix(in srgb, var(--color-success) 12%, var(--color-panel));
  --blog-error-tint: color-mix(in srgb, var(--color-error) 10%, var(--color-panel));
  --blog-ink-panel: color-mix(in srgb, var(--color-text) 94%, var(--color-accent-dark));
  --blog-shadow: 0 1.5rem 3rem color-mix(in srgb, var(--color-accent) 10%, transparent);
  --blog-shadow-near: 0 0.5rem 1.25rem color-mix(in srgb, var(--color-text) 8%, transparent);
  --blog-transition: 180ms ease;
}

.blog-index-hero {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  background:
    linear-gradient(
      to bottom,
      color-mix(in srgb, var(--color-accent) 7%, var(--color-bg)),
      var(--color-bg)
    );
}

.blog-index-hero__inner,
.blog-library__inner,
.blog-list-promo {
  width: min(
    calc(100% - (var(--gutter) * 2)),
    var(--blog-list-width)
  );
  margin-inline: auto;
}

.blog-index-hero__inner {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.25rem, 5vw, 4rem);
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xlarge);
  background: var(--color-panel-alt);
  box-shadow: var(--blog-shadow);
}

.blog-index-hero__inner::before {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: clamp(5rem, 14vw, 9rem);
  height: 0.45rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(
    to right,
    var(--color-accent),
    var(--color-accent-bright)
  );
  content: "";
}

.blog-index-hero__inner::after {
  position: absolute;
  right: 1.5rem;
  bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  content: "PLATFORM · BLOG";
}

.blog-index-hero h1 {
  max-width: 48rem;
  margin-top: 1.25rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: pretty;
  color: var(--color-text);
}

.blog-index-hero p {
  max-width: 46rem;
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.16rem);
  line-height: 1.8;
  color: var(--color-text-muted);
}

.blog-library {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

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

.blog-library__head h2 {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
  color: var(--color-text);
}

.section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.blog-result-count {
  flex: none;
  margin: 0;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
  padding: 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel-alt);
}

.tag-filter__button {
  min-height: 2.35rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font: 700 0.9rem/1 var(--font-body);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition:
    color var(--blog-transition),
    border-color var(--blog-transition),
    background-color var(--blog-transition);
}

.tag-filter__button:hover {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-panel);
}

.tag-filter__button:focus-visible {
  outline: 3px solid var(--blog-accent-tint-strong);
  outline-offset: 2px;
}

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

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 19rem;
  flex-direction: column;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--blog-shadow-near);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.article-card::after {
  position: absolute;
  top: 0;
  right: 1.5rem;
  width: 4rem;
  height: 0.3rem;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

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

.article-card__signal {
  position: absolute;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-bright);
}

.article-meta,
.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.article-tag,
.article-meta > span:first-child,
.related-card__meta > span:first-child {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding-inline: 0.65rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  color: var(--color-accent-dark);
  background: var(--blog-accent-tint);
}

.article-card h3 {
  margin-top: 1.2rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  line-height: 1.38;
  letter-spacing: -0.015em;
  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 {
  margin: 0 0 1.4rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.article-link {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  margin-top: auto;
  font-weight: 800;
  color: var(--color-accent);
  text-decoration: none;
}

.article-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.blog-empty {
  margin-top: 1.5rem;
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-large);
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-panel-alt);
}

.blog-list-promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  overflow: hidden;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  padding-inline: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-xlarge);
  color: var(--color-panel);
  background: linear-gradient(
    130deg,
    var(--color-accent-dark),
    var(--color-accent),
    var(--color-accent-bright)
  );
  box-shadow: var(--blog-shadow);
}

.blog-list-promo .section-kicker,
.blog-list-promo p {
  color: var(--color-panel);
}

.blog-list-promo h2 {
  margin-block: 0.45rem 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-list-promo p:last-child {
  max-width: 42rem;
  margin-bottom: 0;
  line-height: 1.75;
}

.blog-list-promo .btn-primary {
  border-color: var(--color-panel);
  color: var(--color-accent-dark);
  background: var(--color-panel);
}

.blog-list-promo .btn-outline {
  border-color: var(--color-panel);
  color: var(--color-panel);
  background: transparent;
}

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

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

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

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

.breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-hero {
  --article-hero-inline: clamp(1.5rem, 4vw, 2.75rem);
  width: min(
    100%,
    calc(
      var(--blog-reading-width) + (var(--gutter) * 2) +
      (var(--article-hero-inline) * 2)
    )
  );
  margin-top: 1.4rem;
  margin-bottom: 2.5rem;
}

.article-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(11rem, 1fr);
  gap: 2rem;
  align-items: start;
  overflow: hidden;
  padding-block: clamp(1.75rem, 5vw, 3rem);
  padding-inline: var(--article-hero-inline);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xlarge);
  background: var(--blog-panel-tint);
  box-shadow: var(--blog-shadow-near);
}

.article-hero-grid::before {
  position: absolute;
  top: 1.1rem;
  bottom: 1.1rem;
  left: 0;
  width: 0.35rem;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: linear-gradient(
    to bottom,
    var(--color-accent),
    var(--color-accent-bright)
  );
  content: "";
}

.article-hero-grid::after {
  position: absolute;
  right: 1.5rem;
  bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  content: "VPNJR · DEPARTURE NOTE";
}

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

.article-hero h1 {
  max-width: 43rem;
  margin-block: 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  text-wrap: pretty;
  color: var(--color-text);
}

.article-lead,
.article-hero-summary {
  max-width: 44rem;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.article-meta-card {
  display: grid;
  gap: 0;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  box-shadow: var(--blog-shadow-near);
}

.article-meta-card > * {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  color: var(--color-text);
}

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

.article-meta-card small,
.article-meta-card .meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.article-meta-card strong,
.article-meta-card time {
  font-size: 0.88rem;
}

.article-meta-card .article-tag {
  justify-self: start;
}

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

.article-body,
.post-content,
.blog-article {
  counter-reset: article-section;
  color: var(--color-text);
}

.article-body > :first-child,
.post-content > :first-child,
.blog-article > :first-child {
  margin-top: 0;
}

.article-body p,
.article-body li,
.post-content p,
.post-content li,
.blog-article p,
.blog-article li {
  font-size: 1rem;
  line-height: 1.85;
}

.article-body p,
.post-content p,
.blog-article p {
  margin-block: 0 1.35rem;
}

.article-body h2,
.post-content h2,
.blog-article h2 {
  counter-increment: article-section;
  margin-top: 3.2rem;
  margin-bottom: 1.15rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  color: var(--color-text);
}

.article-body h2::before,
.post-content h2::before,
.blog-article h2::before {
  display: inline-block;
  min-width: 2.2rem;
  margin-right: 0.65rem;
  padding-block: 0.2rem;
  padding-inline: 0.45rem;
  border-radius: var(--radius-small);
  font-family: var(--font-mono);
  font-size: 0.7em;
  line-height: 1;
  text-align: center;
  vertical-align: 0.12em;
  color: var(--color-panel);
  background: var(--color-accent);
  content: counter(article-section, decimal-leading-zero);
}

.article-body h3,
.post-content h3,
.blog-article h3 {
  margin-top: 2.15rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2.4vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  color: var(--color-text);
}

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

.article-body ul,
.article-body ol,
.post-content ul,
.post-content ol,
.blog-article ul,
.blog-article ol {
  margin-block: 1.2rem 1.6rem;
  padding-left: 1.4rem;
}

.article-body li + li,
.post-content li + li,
.blog-article li + li {
  margin-top: 0.55rem;
}

.article-body blockquote,
.post-content blockquote,
.blog-article blockquote {
  margin-block: 1.8rem;
  margin-inline: 0;
  padding-block: 1.2rem;
  padding-inline: 1.35rem;
  border-left: 0.3rem solid var(--color-accent);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  color: var(--color-text-muted);
  background: var(--blog-accent-tint);
}

.article-body blockquote p:last-child,
.post-content blockquote p:last-child,
.blog-article blockquote p:last-child {
  margin-bottom: 0;
}

.article-body table,
.post-content table,
.blog-article table,
.data-table {
  width: 100%;
  margin-block: 1.75rem;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  font-size: 0.92rem;
  line-height: 1.6;
  background: var(--color-panel);
}

.article-body th,
.post-content th,
.blog-article th,
.data-table th {
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--color-accent-dark);
  border-bottom: 1px solid var(--color-accent-dark);
  text-align: left;
  color: var(--color-panel);
  background: var(--color-accent-dark);
}

.article-body td,
.post-content td,
.blog-article td,
.data-table td {
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
  vertical-align: top;
}

.article-body tr:nth-child(even) td,
.post-content tr:nth-child(even) td,
.blog-article tr:nth-child(even) td,
.data-table tr:nth-child(even) td {
  background: var(--blog-panel-tint);
}

.article-body tbody tr:hover td,
.post-content tbody tr:hover td,
.blog-article tbody tr:hover td,
.data-table tbody tr:hover td {
  background: var(--blog-accent-tint);
}

.article-body tr > :last-child,
.post-content tr > :last-child,
.blog-article tr > :last-child,
.data-table tr > :last-child {
  border-right: 0;
}

.article-body tbody tr:last-child td,
.post-content tbody tr:last-child td,
.blog-article tbody tr:last-child td,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.article-body pre,
.post-content pre,
.blog-article pre {
  position: relative;
  overflow-x: auto;
  margin-block: 1.8rem;
  padding: 3rem 1.25rem 1.35rem;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-medium);
  color: var(--color-panel-alt);
  background: var(--blog-ink-panel);
  box-shadow: var(--blog-shadow-near);
}

.article-body pre::before,
.post-content pre::before,
.blog-article pre::before {
  position: absolute;
  top: 1rem;
  left: 1.15rem;
  color: var(--color-error);
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.45rem;
  content: "● ● ●";
  text-shadow:
    1.45rem 0 var(--color-warning),
    2.9rem 0 var(--color-success);
}

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

.callout {
  position: relative;
  margin-block: 1.8rem;
  padding-block: 1.2rem;
  padding-inline: 3.7rem 1.35rem;
  border: 1px solid var(--color-border);
  border-left: 0.35rem solid var(--color-accent);
  border-radius: var(--radius-medium);
  background: var(--blog-accent-tint);
}

.callout::before {
  position: absolute;
  top: 1.15rem;
  left: 1.05rem;
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-weight: 900;
  color: var(--color-panel);
  background: var(--color-accent);
  content: "i";
}

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

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

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

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

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

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1rem;
  margin-block: 1.8rem;
}

.stat-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--blog-accent-tint);
}

.stat-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.3rem;
  background: var(--color-accent);
  content: "";
}

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

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

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

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

.stat-num {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
}

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

.check-list {
  display: grid;
  gap: 0.7rem;
  margin-block: 1.8rem;
  padding: 0;
  list-style: none;
}

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

.verdict {
  margin-block: 1.8rem;
  padding-block: 1.15rem;
  padding-inline: 1.25rem;
  border-left: 0.35rem solid var(--color-accent);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  color: var(--color-text);
  background: var(--blog-accent-tint-strong);
}

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

.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: 3.5rem;
  padding-block: clamp(1.75rem, 5vw, 3rem);
  padding-inline: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-xlarge);
  color: var(--color-panel);
  background: linear-gradient(
    135deg,
    var(--color-accent-dark),
    var(--color-accent)
  );
  box-shadow: var(--blog-shadow);
}

.promo-block::before {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 5rem;
  height: 0.4rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-bright);
  content: "";
}

.promo-block h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.promo-block p {
  max-width: 38rem;
  margin: 0;
  line-height: 1.75;
  color: var(--color-panel);
}

.promo-block .btn {
  flex: none;
  border-color: var(--color-panel);
  color: var(--color-accent-dark);
  background: var(--color-panel);
}

.promo-block .btn:hover {
  color: var(--color-text);
  background: var(--color-panel-alt);
}

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

.related-heading {
  margin: 0 0 1.2rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-heading::before {
  display: inline-block;
  width: 2rem;
  height: 0.32rem;
  margin-right: 0.7rem;
  border-radius: var(--radius-pill);
  vertical-align: 0.2em;
  background: var(--color-accent);
  content: "";
}

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

.related-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.related-card::before {
  position: absolute;
  inset: -1px -1px auto;
  height: 0.28rem;
  border-radius: var(--radius-medium) var(--radius-medium) 0 0;
  background: transparent;
  content: "";
}

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

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

.related-card h3 {
  margin-block: 0.9rem 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.45;
  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;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.related-card .article-link {
  font-size: 0.88rem;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 2.5rem;
}

.post-nav-card {
  position: relative;
  display: grid;
  gap: 0.55rem;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  color: var(--color-text);
  background: var(--color-panel-alt);
  text-decoration: none;
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    background-color var(--blog-transition);
}

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

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

.post-nav-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
}

.post-nav-card strong {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  text-wrap: pretty;
}

.post-nav-card__meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

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

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

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

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

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

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

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

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

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

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

  .blog-index-hero {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }

  .blog-index-hero__inner::after {
    display: none;
  }

  .tag-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .tag-filter__button {
    flex: none;
  }

  .article-hero {
    margin-bottom: 2rem;
  }

  .article-meta-card {
    display: flex;
    flex-wrap: wrap;
  }

  .article-meta-card > * {
    flex: 1 1 8rem;
  }

  .article-meta-card > * + * {
    border-left: 0;
  }

  .article-meta-card > *:not(:first-child) {
    border-top: 1px solid var(--color-border-soft);
  }

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

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

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

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