:root {
  --blog-reading: 56rem;
  --blog-gutter: clamp(1.25rem, 4vw, 2rem);
  --blog-card-gap: clamp(1rem, 2.5vw, 1.5rem);
  --blog-fast: 180ms;
  --blog-ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

.blog-hero,
.blog-directory {
  width: min(calc(100% - (var(--blog-gutter) * 2)), var(--content-wide));
  margin-inline: auto;
}

.blog-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(2rem, 6vw, 5rem);
  padding: clamp(3.5rem, 8vw, 7rem) clamp(1.5rem, 6vw, 5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.blog-hero::before {
  position: absolute;
  z-index: -2;
  top: clamp(1rem, 4vw, 2.5rem);
  right: 0;
  width: clamp(9rem, 31vw, 25rem);
  height: calc(100% - clamp(2rem, 8vw, 5rem));
  border-radius: var(--radius-large) 0 0 var(--radius-large);
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-accent) 25%, var(--color-canvas)),
      color-mix(in srgb, var(--color-coral) 35%, var(--color-canvas))
    );
  content: "";
}

.blog-hero::after {
  position: absolute;
  z-index: -1;
  right: clamp(0.5rem, 4vw, 3rem);
  bottom: clamp(-0.5rem, -1vw, -0.1rem);
  color: color-mix(in srgb, var(--color-accent-deep) 12%, transparent);
  content: "C4";
  font-family: var(--font-display);
  font-size: clamp(7rem, 24vw, 18rem);
  font-weight: 900;
  line-height: 0.8;
  pointer-events: none;
}

.blog-hero-copy {
  max-width: 44rem;
}

.blog-kicker,
.section-index {
  display: inline-block;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.blog-hero h1 {
  max-width: 38rem;
  margin: 1rem 0 1.25rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.12;
  text-wrap: pretty;
}

.blog-hero p {
  max-width: 39rem;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.85;
}

.blog-directory {
  padding-block: clamp(4rem, 9vw, 7rem);
}

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

.blog-directory-head h2 {
  margin: 0.45rem 0 0;
  color: var(--color-ink);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-count {
  margin: 0;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.tag-filter {
  display: flex;
  gap: 0.65rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  padding-bottom: 0.35rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.tag-filter button {
  flex: 0 0 auto;
  min-height: 2.75rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  color: var(--color-ink-muted);
  font: 700 0.9rem/1 var(--font-body);
  cursor: pointer;
  transition:
    border-color var(--blog-fast) var(--blog-ease),
    background-color var(--blog-fast) var(--blog-ease),
    color var(--blog-fast) var(--blog-ease);
}

.tag-filter button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.tag-filter button[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-canvas);
}

.tag-filter button:focus-visible,
.article-link:focus-visible,
.related-card:focus-visible,
.post-nav-card:focus-visible,
.float-cta:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-sky) 65%, var(--color-canvas));
  outline-offset: 3px;
}

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

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 22rem;
  flex-direction: column;
  padding: clamp(1.4rem, 4vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--blog-fast) var(--blog-ease),
    box-shadow var(--blog-fast) var(--blog-ease),
    transform var(--blog-fast) var(--blog-ease);
}

.article-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.3rem;
  background: linear-gradient(90deg, var(--color-accent), var(--color-coral));
  content: "";
  opacity: 0;
  transition: opacity var(--blog-fast) var(--blog-ease);
}

.article-card:nth-child(3n + 2)::before {
  background: linear-gradient(90deg, var(--color-sky), var(--color-success));
}

.article-card:nth-child(3n + 3)::before {
  background: linear-gradient(90deg, var(--color-warning), var(--color-coral));
}

.article-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 55%, var(--color-line));
  box-shadow: var(--shadow-lift);
  transform: translateY(-0.25rem);
}

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

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.2rem;
}

.article-tag,
.article-date {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
}

.article-tag {
  background: color-mix(in srgb, var(--color-accent) 13%, var(--color-canvas));
  color: var(--color-accent-deep);
  font-weight: 700;
}

.article-date {
  border: 1px solid var(--color-line);
  color: var(--color-ink-muted);
}

.article-title {
  margin: 0 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-wrap: pretty;
}

.article-summary {
  margin: 0 0 1.5rem;
  color: var(--color-ink-muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.article-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.35rem;
  margin-top: auto;
  color: var(--color-accent-deep);
  font-weight: 800;
  text-decoration: none;
}

.article-link-arrow {
  transition: transform var(--blog-fast) var(--blog-ease);
}

.article-link:hover .article-link-arrow {
  transform: translateX(0.25rem);
}

.script-notice {
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-ink-muted);
}

/* Article column */

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

.breadcrumb {
  margin-top: max(1.2rem, 3vw);
  color: var(--color-ink-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

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

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

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

.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 1.25rem;
  padding-block: clamp(2.75rem, 7vw, 5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.article-hero::before {
  position: absolute;
  z-index: -2;
  top: 1.25rem;
  right: 0;
  bottom: 1.25rem;
  width: clamp(7rem, 31%, 17rem);
  border-radius: var(--radius-large) 0 0 var(--radius-large);
  background:
    linear-gradient(
      145deg,
      color-mix(in srgb, var(--color-accent) 24%, var(--color-canvas)),
      color-mix(in srgb, var(--color-coral) 38%, var(--color-canvas))
    );
  content: "";
}

.article-hero::after {
  position: absolute;
  z-index: -1;
  right: 1rem;
  bottom: -0.1rem;
  color: color-mix(in srgb, var(--color-accent-deep) 11%, transparent);
  content: "26";
  font-family: var(--font-display);
  font-size: clamp(7rem, 22vw, 14rem);
  font-weight: 900;
  line-height: 0.8;
  pointer-events: none;
}

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

.article-hero .article-meta,
.article-hero .article-summary {
  margin-left: clamp(0rem, 3vw, 1.5rem);
}

.article-hero h1 {
  max-width: 48rem;
  margin: 1rem 0 1.25rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.24;
  text-wrap: pretty;
}

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

.reading-wrap {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 0;
}

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

.post-content h2,
.article-body h2,
article.prose h2 {
  margin: 2.8rem 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  font-weight: 850;
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-wrap: pretty;
  counter-increment: article-section;
}

.post-content h2::before,
.article-body h2::before,
article.prose h2::before {
  display: inline-block;
  min-width: 2.15rem;
  margin-right: 0.65rem;
  padding: 0.18rem 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-canvas);
  content: counter(article-section, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.4;
  vertical-align: 0.2em;
}

.post-content h3,
.article-body h3,
article.prose h3 {
  margin: 2rem 0 0.8rem;
  color: var(--color-ink);
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.005em;
  line-height: 1.5;
  text-wrap: pretty;
}

.post-content p,
.article-body p,
article.prose p {
  margin: 0 0 1.2rem;
}

.post-content a,
.article-body a,
article.prose a {
  color: var(--color-accent-deep);
  text-decoration-color: color-mix(in srgb, var(--color-accent) 48%, transparent);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.2em;
}

.post-content ul,
.post-content ol,
.article-body ul,
.article-body ol,
article.prose ul,
article.prose ol {
  margin: 0 0 1.4rem;
  padding-left: 1.45rem;
}

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

.post-content blockquote,
.article-body blockquote,
article.prose blockquote {
  margin: 1.8rem 0;
  padding: 1.15rem 1.35rem;
  border-left: 0.3rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-canvas));
  color: var(--color-ink-muted);
}

.post-content pre,
.article-body pre,
article.prose pre {
  position: relative;
  margin: 1.8rem 0;
  padding: 3rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid color-mix(in srgb, var(--color-canvas) 14%, var(--color-night));
  border-radius: var(--radius-card);
  background: var(--color-night);
  color: var(--color-panel-strong);
  box-shadow: var(--shadow-card);
}

.post-content pre::before,
.article-body pre::before,
article.prose pre::before {
  position: absolute;
  top: 0.85rem;
  left: 1.1rem;
  padding-left: 3.2rem;
  color: color-mix(in srgb, var(--color-panel-strong) 68%, transparent);
  content: "TERMINAL";
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.post-content pre::after,
.article-body pre::after,
article.prose pre::after {
  position: absolute;
  top: 1rem;
  left: 1.1rem;
  color: var(--color-coral);
  content: "●  ●  ●";
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.post-content code,
.article-body code,
article.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.post-content :not(pre) > code,
.article-body :not(pre) > code,
article.prose :not(pre) > code {
  padding: 0.15rem 0.38rem;
  border-radius: var(--radius-xs);
  background: var(--color-panel-strong);
  color: var(--color-accent-deep);
}

.post-content table,
.article-body table,
article.prose table,
.data-table {
  width: 100%;
  margin: 1.8rem 0;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.6;
}

.post-content th,
.article-body th,
article.prose th,
.data-table th {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-canvas) 18%, var(--color-night));
  background: var(--color-night);
  color: var(--color-canvas);
  font-weight: 800;
  text-align: left;
  white-space: nowrap;
}

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

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

.post-content tbody tr:hover,
.article-body tbody tr:hover,
article.prose tbody tr:hover,
.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--color-sky) 12%, var(--color-canvas));
}

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

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.callout {
  position: relative;
  margin: 1.8rem 0;
  padding: 1.15rem 1.25rem 1.15rem 3.6rem;
  border: 1px solid color-mix(in srgb, var(--color-sky) 35%, var(--color-line));
  border-left: 0.3rem solid var(--color-sky);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-sky) 9%, var(--color-canvas));
  color: var(--color-ink);
}

.callout::before {
  position: absolute;
  top: 1.05rem;
  left: 1.15rem;
  display: grid;
  width: 1.6rem;
  height: 1.6rem;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-sky);
  color: var(--color-night);
  content: "i";
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
}

.callout.warning {
  border-color: color-mix(in srgb, var(--color-warning) 42%, var(--color-line));
  border-left-color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 12%, var(--color-canvas));
}

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

.callout.success {
  border-color: color-mix(in srgb, var(--color-success) 38%, var(--color-line));
  border-left-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 9%, var(--color-canvas));
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.8rem 0;
}

.stat-card {
  position: relative;
  min-width: 0;
  padding: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-canvas));
}

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

.stat-card:nth-child(even) {
  background: color-mix(in srgb, var(--color-sky) 10%, var(--color-canvas));
}

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

.stat-card:nth-child(3n) {
  background: color-mix(in srgb, var(--color-success) 9%, var(--color-canvas));
}

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

.stat-num {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  font-weight: 900;
  line-height: 1.2;
}

.stat-label {
  display: block;
  color: var(--color-ink-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.check-list {
  margin: 1.8rem 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin: 0.65rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  list-style: none;
}

.check-list li::before,
.check-list li::marker {
  content: none;
}

.verdict {
  margin: 1.8rem 0;
  padding: 1.1rem 1.25rem;
  border-left: 0.35rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-canvas));
  color: var(--color-ink);
}

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

.article-promo {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-block: clamp(1.75rem, 5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-canvas) 18%, var(--color-accent-deep));
  border-radius: var(--radius-large);
  background:
    linear-gradient(
      125deg,
      var(--color-accent-deep),
      var(--color-accent) 58%,
      var(--color-coral)
    );
  color: var(--color-canvas);
  box-shadow: var(--shadow-cta);
}

.article-promo::after {
  position: absolute;
  z-index: -1;
  right: 1rem;
  bottom: -1.5rem;
  color: color-mix(in srgb, var(--color-canvas) 13%, transparent);
  content: "C4";
  font-family: var(--font-display);
  font-size: clamp(6rem, 19vw, 11rem);
  font-weight: 900;
  line-height: 1;
}

.article-promo-copy {
  max-width: 38rem;
}

.article-promo h2 {
  margin: 0 0 0.65rem;
  color: var(--color-canvas);
  font-size: clamp(1.45rem, 4vw, 2rem);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-promo p {
  margin: 0;
  color: var(--color-canvas);
  line-height: 1.75;
}

.article-promo .btn-primary {
  flex: 0 0 auto;
  border-color: var(--color-canvas);
  background: var(--color-canvas);
  color: var(--color-accent-deep);
  box-shadow: none;
}

.article-promo .btn-secondary {
  flex: 0 0 auto;
  border-color: var(--color-canvas);
  background: transparent;
  color: var(--color-canvas);
}

#related-posts {
  padding-top: 2.25rem;
}

.related-heading {
  margin: 0 0 1.2rem;
  color: var(--color-ink);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: -0.01em;
  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;
  flex-direction: column;
  padding: 1.1rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    border-color var(--blog-fast) var(--blog-ease),
    box-shadow var(--blog-fast) var(--blog-ease),
    transform var(--blog-fast) var(--blog-ease);
}

.related-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.25rem;
  background: linear-gradient(90deg, var(--color-accent), var(--color-coral));
  content: "";
  opacity: 0;
  transition: opacity var(--blog-fast) var(--blog-ease);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-0.2rem);
}

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

.related-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.related-card-tag {
  color: var(--color-accent-deep);
  font-weight: 700;
}

.related-card-title {
  margin-bottom: 0.65rem;
  font-size: 1rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.related-card-summary {
  display: -webkit-box;
  margin-bottom: 1rem;
  overflow: hidden;
  color: var(--color-ink-muted);
  font-size: 0.84rem;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.related-card-action {
  margin-top: auto;
  color: var(--color-accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  padding-top: 1.25rem;
  padding-bottom: 2rem;
}

.post-nav-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.15rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    border-color var(--blog-fast) var(--blog-ease),
    background-color var(--blog-fast) var(--blog-ease),
    transform var(--blog-fast) var(--blog-ease);
}

.post-nav-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.25rem;
  background: var(--color-sky);
  content: "";
  opacity: 0;
}

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

.post-nav-card.is-next::before {
  background: var(--color-accent);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--color-canvas);
  transform: translateY(-0.18rem);
}

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

.post-nav-label {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.post-nav-title {
  font-size: 0.96rem;
  line-height: 1.55;
  text-wrap: pretty;
}

/* Article search landing CTA. Blog index does not render this component. */

.float-cta {
  position: fixed;
  z-index: 30;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 3.25rem;
  padding: 0.65rem 1.1rem 0.65rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--color-canvas) 18%, var(--color-night));
  border-radius: var(--radius-pill);
  background: var(--color-night);
  color: var(--color-canvas);
  box-shadow: var(--shadow-cta);
  font-weight: 800;
  text-decoration: none;
  transition:
    border-color var(--blog-fast) var(--blog-ease),
    transform var(--blog-fast) var(--blog-ease);
}

.float-cta:hover {
  border-color: var(--color-accent);
  transform: translateY(-0.2rem);
}

.float-cta-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-canvas);
}

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

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

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

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

  .blog-directory-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .article-hero .article-meta,
  .article-hero .article-summary {
    margin-left: 0;
  }

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

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

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

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

@media (max-width: 520px) {
  .blog-hero,
  .blog-directory {
    width: min(calc(100% - 2rem), var(--content-wide));
  }

  .blog-hero {
    padding: 3rem 1.5rem;
  }

  .blog-hero::before {
    width: 7rem;
    opacity: 0.6;
  }

  .article-hero {
    border-radius: var(--radius-sm);
  }

  .float-cta {
    right: 1rem;
    bottom: 1rem;
    max-width: calc(100% - 2rem);
    min-height: 3rem;
    padding: 0.55rem 0.9rem 0.55rem 0.6rem;
    font-size: 0.88rem;
  }

  .float-cta-icon {
    width: 1.8rem;
    height: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tag-filter button,
  .article-card,
  .article-card::before,
  .article-link-arrow,
  .related-card,
  .related-card::before,
  .post-nav-card,
  .float-cta {
    scroll-behavior: auto;
    transition: none;
  }

  .article-card:hover,
  .related-card:hover,
  .post-nav-card:hover,
  .float-cta:hover,
  .article-link:hover .article-link-arrow {
    transform: none;
  }
}