:root {
  --blog-column: 56rem;
  --blog-gutter: clamp(1.5rem, 4vw, 2rem);
  --blog-section-space: clamp(3.5rem, 7vw, 5.5rem);
  --blog-card-gap: clamp(1rem, 2vw, 1.5rem);
  --blog-card-padding: clamp(1.25rem, 3vw, 1.75rem);
  --blog-hero-padding-block: clamp(3.5rem, 8vw, 6.5rem);
  --blog-article-hero-padding: clamp(2.75rem, 6vw, 4.5rem);
  --blog-body-size: 1rem;
  --blog-body-leading: 1.85;
  --blog-title-leading: 1.2;
  --blog-title-tracking: -0.015em;
  --blog-transition-duration: 180ms;
  --blog-transition-easing: ease;
  --blog-border-width: 1px;
  --blog-accent-line: 0.25rem;
  --blog-icon-size: 2rem;
  --blog-modal-width: 30rem;
  --blog-modal-layer: 80;
  --blog-table-min-width: 40rem;
  --blog-code-padding-top: 3.25rem;
  --blog-color-transparent: transparent;
  --blog-color-band: color-mix(in srgb, var(--color-accent) 7%, var(--color-bg));
  --blog-color-band-strong: color-mix(in srgb, var(--color-coral) 11%, var(--color-panel));
  --blog-color-accent-soft: color-mix(in srgb, var(--color-accent) 9%, var(--color-panel));
  --blog-color-accent-mid: color-mix(in srgb, var(--color-accent) 18%, var(--color-panel));
  --blog-color-coral-soft: color-mix(in srgb, var(--color-coral) 12%, var(--color-panel));
  --blog-color-success-soft: color-mix(in srgb, var(--color-success) 10%, var(--color-panel));
  --blog-color-warning-soft: color-mix(in srgb, var(--color-warning) 12%, var(--color-panel));
  --blog-color-row: color-mix(in srgb, var(--color-panel-alt) 58%, var(--color-panel));
  --blog-color-row-hover: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
  --blog-color-overlay: color-mix(in srgb, var(--color-text) 68%, var(--blog-color-transparent));
  --blog-color-code: var(--color-text);
  --blog-color-code-text: var(--color-bg);
  --blog-gradient-brand: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent), var(--color-coral));
  --blog-gradient-soft: linear-gradient(135deg, var(--blog-color-band), var(--blog-color-band-strong));
  --blog-shadow-card: 0 1rem 2.5rem var(--color-shadow-tint);
  --blog-shadow-hover: 0 1.25rem 3rem var(--color-shadow-strong);
}

.page-blog-index,
.blog-article {
  overflow-x: clip;
}

.blog-index-hero {
  position: relative;
  overflow: hidden;
  border-block: var(--blog-border-width) solid var(--color-border);
  background: var(--blog-gradient-soft);
  padding: var(--blog-hero-padding-block) var(--blog-gutter);
}

.blog-index-hero::before,
.article-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at center, var(--blog-color-accent-mid) 0 0.08rem, var(--blog-color-transparent) 0.1rem);
  background-size: 1.25rem 1.25rem;
  content: "";
  opacity: 0.42;
  pointer-events: none;
}

.blog-index-hero::after {
  position: absolute;
  right: 4%;
  bottom: -18%;
  width: clamp(10rem, 24vw, 22rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blog-color-coral-soft), var(--blog-color-transparent) 70%);
  content: "";
  pointer-events: none;
}

.blog-index-hero-inner,
.blog-catalog-inner {
  position: relative;
  width: min(100%, var(--site-width));
  margin-inline: auto;
}

.blog-index-hero-inner {
  z-index: 1;
  max-width: var(--blog-column);
  margin-inline: auto;
}

.blog-kicker,
.section-eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-index-hero h1,
.article-hero h1,
.article-card h3,
.related-card h3,
.signup-modal-panel h2 {
  text-wrap: pretty;
  letter-spacing: var(--blog-title-tracking);
}

.blog-index-hero h1 {
  max-width: 15ch;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 800;
  line-height: var(--blog-title-leading);
}

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

.blog-catalog {
  padding: var(--blog-section-space) var(--blog-gutter);
}

.blog-catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--blog-card-gap);
  margin-bottom: 1.5rem;
}

.blog-catalog-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  line-height: 1.25;
  text-wrap: pretty;
}

.blog-result-count {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: 1.25rem;
  border-bottom: var(--blog-border-width) solid var(--color-border);
}

.blog-filter-button {
  appearance: none;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 0.6rem 0.9rem;
  color: var(--color-muted);
  font: 700 0.88rem/1 var(--font-body);
  cursor: pointer;
  transition:
    border-color var(--blog-transition-duration) var(--blog-transition-easing),
    background-color var(--blog-transition-duration) var(--blog-transition-easing),
    color var(--blog-transition-duration) var(--blog-transition-easing),
    transform var(--blog-transition-duration) var(--blog-transition-easing);
}

.blog-filter-button:hover,
.blog-filter-button:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.blog-filter-button:focus-visible {
  outline: 0.15rem solid var(--blog-color-accent-mid);
  outline-offset: 0.15rem;
}

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

.article-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;
  flex-direction: column;
  overflow: hidden;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: var(--blog-card-padding);
  box-shadow: inset 0 var(--blog-border-width) var(--color-highlight);
  transition:
    border-color var(--blog-transition-duration) var(--blog-transition-easing),
    box-shadow var(--blog-transition-duration) var(--blog-transition-easing),
    transform var(--blog-transition-duration) var(--blog-transition-easing);
}

.article-card::before,
.related-card::before,
.post-nav-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.2rem;
  background: var(--blog-gradient-brand);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-transition-duration) var(--blog-transition-easing);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--blog-color-accent-mid);
  box-shadow: var(--blog-shadow-card);
  transform: translateY(-0.15rem);
}

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

.article-card-meta,
.related-card-meta,
.article-hero-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-card .tag,
.related-card .tag {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-weight: 700;
}

.article-card h3 {
  margin: 1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.45;
}

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

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

.article-card > p {
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.article-card-more {
  align-self: flex-start;
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 750;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.25rem;
}

.blog-empty {
  border: var(--blog-border-width) dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: 2.5rem var(--blog-gutter);
  color: var(--color-muted);
  text-align: center;
}

.breadcrumbs {
  width: min(100%, calc(var(--blog-column) + (var(--blog-gutter) * 2)));
  margin: 0 auto;
  padding: 1.5rem var(--blog-gutter) 1rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

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

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

.breadcrumbs a {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.2rem;
}

.article-hero {
  position: relative;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  overflow: hidden;
  border-block: var(--blog-border-width) solid var(--color-border);
  background: var(--blog-gradient-soft);
  padding: var(--blog-article-hero-padding) var(--blog-gutter);
}

.article-hero::after {
  position: absolute;
  right: max(2rem, 8vw);
  bottom: -4rem;
  width: clamp(8rem, 18vw, 15rem);
  aspect-ratio: 1;
  border: var(--blog-border-width) solid var(--blog-color-accent-mid);
  border-radius: 50%;
  background: radial-gradient(circle, var(--blog-color-coral-soft), var(--blog-color-transparent) 68%);
  content: "";
  pointer-events: none;
}

.article-hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--blog-column));
  margin-inline: auto;
}

.article-hero-meta {
  margin-bottom: 1rem;
}

.article-hero-meta .tag {
  color: var(--color-accent);
  font-weight: 800;
}

.article-hero h1 {
  max-width: 27ch;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.28;
}

.article-hero-summary {
  max-width: 48rem;
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.reading-wrap {
  box-sizing: border-box;
  width: min(100%, calc(var(--blog-column) + (var(--blog-gutter) * 2)));
  max-width: calc(var(--blog-column) + (var(--blog-gutter) * 2));
  margin-inline: auto;
  padding: clamp(2.25rem, 5vw, 3.5rem) var(--blog-gutter) 0;
}

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

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

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote,
.article-body table,
.article-body pre,
.article-body .callout,
.article-body .stat-grid,
.article-body .check-list,
.article-body .verdict {
  margin-block: 1.35rem;
}

.article-body h2 {
  position: relative;
  margin: 3.25rem 0 1.15rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
  counter-increment: article-section;
}

.article-body h2::before {
  display: inline-block;
  min-width: 2.15rem;
  margin-right: 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--blog-color-accent-soft);
  padding: 0.12rem 0.42rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.68em;
  line-height: 1.55;
  text-align: center;
  vertical-align: 0.12em;
  content: counter(article-section, decimal-leading-zero);
}

.article-body h3 {
  margin: 2.25rem 0 0.85rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.article-body strong {
  color: var(--color-text);
}

.article-body blockquote {
  border-left: var(--blog-accent-line) solid var(--color-accent);
  background: var(--blog-color-accent-soft);
  padding: 1.1rem 1.25rem;
  color: var(--color-muted);
}

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

.article-body blockquote > :last-child {
  margin-bottom: 0;
}

.article-body ul,
.article-body ol {
  padding-left: 1.4rem;
}

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

.article-body table,
.data-table,
.route-table {
  width: 100%;
  border-collapse: collapse;
  border: var(--blog-border-width) solid var(--color-border);
  background: var(--color-panel);
  font-size: 0.9rem;
  line-height: 1.55;
}

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

.article-body thead th,
.data-table thead th,
.route-table thead th {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-highlight);
  font-weight: 750;
}

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

.article-body tbody tr,
.data-table tbody tr,
.route-table tbody tr {
  transition: background-color var(--blog-transition-duration) var(--blog-transition-easing);
}

.article-body tbody tr:hover,
.data-table tbody tr:hover,
.route-table tbody tr:hover {
  background: var(--blog-color-row-hover);
}

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

.article-body pre {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  border: var(--blog-border-width) solid var(--color-text);
  border-radius: var(--radius-md);
  background: var(--blog-color-code);
  padding: var(--blog-code-padding-top) 1.25rem 1.25rem;
  color: var(--blog-color-code-text);
  box-shadow: var(--blog-shadow-card);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.75;
}

.article-body pre::before {
  position: absolute;
  top: 1rem;
  left: 1.1rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--color-error);
  box-shadow:
    1rem 0 0 var(--color-warning),
    2rem 0 0 var(--color-success);
  content: "";
}

.article-body pre::after {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  color: color-mix(in srgb, var(--blog-color-code-text) 65%, var(--blog-color-transparent));
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  content: "TERMINAL";
}

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

.article-body :not(pre) > code {
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  padding: 0.1em 0.35em;
  color: var(--color-accent-dark);
  font-size: 0.9em;
}

.callout {
  position: relative;
  border: var(--blog-border-width) solid var(--color-border);
  border-left: var(--blog-accent-line) solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--blog-color-accent-soft);
  padding: 1.1rem 1.2rem 1.1rem 3.6rem;
}

.callout::before {
  position: absolute;
  top: 1.1rem;
  left: 1rem;
  display: grid;
  width: var(--blog-icon-size);
  height: var(--blog-icon-size);
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-highlight);
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
  content: "i";
}

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

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

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

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

.callout-title {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 0.85rem;
}

.stat-card {
  position: relative;
  overflow: hidden;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--blog-color-accent-soft);
  padding: 1.2rem;
}

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

.stat-card:nth-child(even) {
  background: var(--blog-color-coral-soft);
}

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

.stat-num {
  display: block;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 800;
  line-height: 1.3;
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

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

.check-list li {
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: 0.8rem 1rem;
  box-shadow: inset var(--blog-accent-line) 0 var(--blog-color-accent-mid);
}

.verdict {
  border: var(--blog-border-width) solid var(--color-border);
  border-left: 0.35rem solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--blog-gradient-soft);
  padding: 1.15rem 1.25rem;
  color: var(--color-text);
}

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

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

.end-promo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  overflow: hidden;
  width: min(100%, var(--blog-column));
  margin: clamp(3.5rem, 7vw, 5rem) auto 0;
  border: var(--blog-border-width) solid var(--color-accent-dark);
  border-radius: var(--radius-md);
  background: var(--blog-gradient-brand);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--color-highlight);
  box-shadow: var(--blog-shadow-hover);
}

.end-promo::before {
  position: absolute;
  top: -3rem;
  right: -2rem;
  width: 10rem;
  aspect-ratio: 1;
  border: var(--blog-border-width) solid color-mix(in srgb, var(--color-highlight) 35%, var(--blog-color-transparent));
  border-radius: 50%;
  content: "";
}

.end-promo::after {
  position: absolute;
  right: 1.5rem;
  bottom: 1rem;
  width: 5rem;
  height: 3rem;
  background-image: radial-gradient(circle, color-mix(in srgb, var(--color-highlight) 55%, var(--blog-color-transparent)) 0 0.12rem, var(--blog-color-transparent) 0.14rem);
  background-size: 0.75rem 0.75rem;
  content: "";
  opacity: 0.65;
}

.end-promo-copy,
.end-promo .btn {
  position: relative;
  z-index: 1;
}

.end-promo-brand {
  margin-bottom: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.end-promo h2 {
  margin: 0;
  color: var(--color-highlight);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.35;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
}

.end-promo p {
  margin: 0.65rem 0 0;
  color: color-mix(in srgb, var(--color-highlight) 88%, var(--blog-color-transparent));
  line-height: 1.7;
}

.end-promo .btn {
  flex: 0 0 auto;
  border: var(--blog-border-width) solid var(--color-highlight);
  background: var(--color-highlight);
  color: var(--color-accent-dark);
}

.end-promo .btn:hover,
.end-promo .btn:focus-visible {
  border-color: var(--color-highlight);
  background: var(--blog-color-transparent);
  color: var(--color-highlight);
}

#related-posts {
  width: min(100%, var(--blog-column));
  margin-inline: auto;
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
}

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

.related-card {
  position: relative;
  overflow: hidden;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: 1.15rem;
  transition:
    border-color var(--blog-transition-duration) var(--blog-transition-easing),
    box-shadow var(--blog-transition-duration) var(--blog-transition-easing),
    transform var(--blog-transition-duration) var(--blog-transition-easing);
}

.related-card:hover,
.related-card:focus-within {
  border-color: var(--blog-color-accent-mid);
  box-shadow: var(--blog-shadow-card);
  transform: translateY(-0.15rem);
}

.related-card h3 {
  margin: 0.85rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
}

.related-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

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

.post-nav-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: 1.1rem 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--blog-transition-duration) var(--blog-transition-easing),
    box-shadow var(--blog-transition-duration) var(--blog-transition-easing),
    transform var(--blog-transition-duration) var(--blog-transition-easing);
}

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

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

.post-nav-card.is-next:only-child {
  grid-column: 2;
}

.post-nav-label {
  margin-bottom: 0.45rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.post-nav-card strong {
  font-size: 0.92rem;
  line-height: 1.55;
}

.blog-modal-open {
  overflow: hidden;
}

.signup-modal {
  position: fixed;
  z-index: var(--blog-modal-layer);
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--blog-color-overlay);
  padding: var(--blog-gutter);
  opacity: 0;
  transition: opacity var(--blog-transition-duration) var(--blog-transition-easing);
}

.signup-modal[hidden] {
  display: none;
}

.signup-modal.is-open {
  opacity: 1;
}

.signup-modal-panel {
  position: relative;
  width: min(100%, var(--blog-modal-width));
  border: var(--blog-border-width) solid var(--blog-color-accent-mid);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  padding: clamp(1.5rem, 5vw, 2.25rem);
  box-shadow: var(--blog-shadow-hover);
  opacity: 0;
  transform: translateY(0.75rem) scale(0.98);
  transition:
    opacity var(--blog-transition-duration) var(--blog-transition-easing),
    transform var(--blog-transition-duration) var(--blog-transition-easing);
}

.signup-modal-panel::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.28rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--blog-gradient-brand);
  content: "";
}

.signup-modal.is-open .signup-modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.signup-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: var(--blog-border-width) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-muted);
  font: 400 1.4rem/1 var(--font-body);
  cursor: pointer;
}

.signup-modal-close:hover,
.signup-modal-close:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.signup-modal-brand {
  margin: 0 0 0.7rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.signup-modal-panel h2 {
  margin: 0;
  padding-right: 2rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4vw, 1.9rem);
  line-height: 1.35;
}

.signup-modal-panel > p:not(.signup-modal-brand) {
  margin: 0.9rem 0 1.4rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.signup-modal-action {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-highlight);
}

.signup-modal-action:hover,
.signup-modal-action:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-highlight);
}

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

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

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

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

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

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

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

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

  .blog-index-hero {
    padding-block: clamp(2.75rem, 12vw, 4rem);
  }

  .article-hero {
    padding-block: clamp(2.25rem, 10vw, 3.25rem);
  }

  .article-body h2 {
    margin-top: 2.65rem;
  }

  .article-body h2::before {
    margin-right: 0.45rem;
  }

  .blog-filter {
    flex-wrap: nowrap;
    margin-inline: calc(var(--blog-gutter) * -1);
    overflow-x: auto;
    padding-inline: var(--blog-gutter);
    scrollbar-width: thin;
  }

  .blog-filter-button {
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .related-card,
  .post-nav-card,
  .blog-filter-button,
  .signup-modal,
  .signup-modal-panel,
  .article-body tbody tr,
  .data-table tbody tr,
  .route-table tbody tr {
    scroll-behavior: auto;
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .related-card:hover,
  .related-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible,
  .blog-filter-button:hover,
  .blog-filter-button:focus-visible,
  .signup-modal-panel,
  .signup-modal.is-open .signup-modal-panel {
    transform: none;
  }
}