:root {
  --blog-reading-width: 56rem;
  --blog-inline: clamp(1.5rem, 4vw, 2.5rem);
  --blog-section-gap: clamp(3rem, 7vw, 5rem);
  --blog-card-gap: clamp(1rem, 2.5vw, 1.5rem);
  --blog-title-list: clamp(2.35rem, 6vw, 3rem);
  --blog-title-article: clamp(2rem, 5vw, 2.6rem);
  --blog-title-section: clamp(1.35rem, 3vw, 1.6rem);
  --blog-title-subsection: clamp(1.12rem, 2vw, 1.3rem);
  --blog-body-size: 1rem;
  --blog-small-size: 0.875rem;
  --blog-code-size: 0.9rem;
  --blog-line-height: 1.85;
  --blog-transition: 180ms ease;
}

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

.blog-hero {
  position: relative;
  margin-top: clamp(2rem, 5vw, 4rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-panel);
  background-image:
    radial-gradient(circle at 18% 32%, var(--color-dot) 0 1px, transparent 1px),
    radial-gradient(circle at 72% 68%, var(--color-dot) 0 1px, transparent 1px);
  background-size: 1.25rem 1.25rem;
  box-shadow: var(--shadow-panel);
}

.blog-window-bar {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-inline: var(--blog-inline);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 1.5rem 50%, var(--color-error) 0 0.3rem, transparent 0.32rem),
    radial-gradient(circle at 2.55rem 50%, var(--color-warning) 0 0.3rem, transparent 0.32rem),
    radial-gradient(circle at 3.6rem 50%, var(--color-success) 0 0.3rem, transparent 0.32rem),
    var(--color-panel-alt);
}

.blog-window-bar span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.blog-hero-content {
  max-width: var(--blog-reading-width);
  padding: clamp(2.5rem, 6vw, 5rem) var(--blog-inline);
}

.blog-eyebrow,
.section-kicker {
  margin: 0 0 1rem;
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.blog-hero h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-list);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-wrap: pretty;
}

.blog-hero-content > p:not(.blog-eyebrow) {
  max-width: 42rem;
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.blog-fact-row span {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.blog-index-section {
  padding-block: var(--blog-section-gap);
}

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

.blog-index-head h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-section);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.blog-filters button {
  appearance: none;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-muted);
  font: 700 var(--blog-small-size) / 1 var(--font-body);
  cursor: pointer;
  transition:
    border-color var(--blog-transition),
    background-color var(--blog-transition),
    color var(--blog-transition),
    transform var(--blog-transition);
}

.blog-filters button:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  transform: translateY(-1px);
}

.blog-filters button:focus-visible {
  outline: 2px solid var(--color-accent-ink);
  outline-offset: 2px;
}

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

.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: 20rem;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  transition:
    border-color var(--blog-transition),
    box-shadow var(--blog-transition),
    transform var(--blog-transition);
}

.article-card::before,
.related-card::before,
.post-nav-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.2rem;
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-transition);
}

.article-card:hover {
  border-color: var(--color-accent-ink);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

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

.article-meta,
.related-meta,
.article-hero-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.article-meta time,
.related-meta time,
.article-hero-meta time,
.article-hero-meta .read-time {
  padding: 0.38rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1;
}

.article-card h3 {
  margin: 1.25rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-subsection);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.article-card > p {
  margin: 1rem 0 1.5rem;
  color: var(--color-muted);
  font-size: var(--blog-body-size);
  line-height: 1.75;
}

.article-link {
  position: relative;
  z-index: 1;
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent-ink);
  font-weight: 800;
  text-decoration: none;
}

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

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

.breadcrumbs {
  margin-top: 1.5rem;
  color: var(--color-muted);
  font-size: var(--blog-small-size);
  line-height: 1.6;
}

.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-line);
  content: "→";
}

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

.breadcrumbs a:hover {
  text-decoration: underline;
}

.article-hero {
  position: relative;
  margin-top: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 12% 76%, var(--color-dot) 0 1px, transparent 1px),
    var(--color-panel);
  background-size: 1.25rem 1.25rem;
  box-shadow: var(--shadow-panel);
  padding-top: 5.75rem;
  padding-bottom: clamp(2.25rem, 6vw, 4rem);
}

.article-hero::before {
  position: absolute;
  inset: 0 0 auto;
  height: 2.8rem;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 1.45rem 50%, var(--color-error) 0 0.3rem, transparent 0.32rem),
    radial-gradient(circle at 2.5rem 50%, var(--color-warning) 0 0.3rem, transparent 0.32rem),
    radial-gradient(circle at 3.55rem 50%, var(--color-success) 0 0.3rem, transparent 0.32rem),
    var(--color-panel-alt);
  content: "";
}

.article-hero::after {
  position: absolute;
  top: 0.82rem;
  right: var(--blog-inline);
  color: var(--color-muted);
  content: "article.md";
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.article-hero h1 {
  max-width: 22ch;
  margin: 1.25rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-article);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.18;
  text-wrap: pretty;
}

.article-hero .article-summary {
  max-width: 46rem;
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.reading-wrap {
  max-width: calc(var(--blog-reading-width) + (var(--blog-inline) * 2));
  width: min(100%, calc(var(--blog-reading-width) + (var(--blog-inline) * 2)));
  margin-inline: auto;
  padding-inline: var(--blog-inline);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.prose {
  counter-reset: article-section;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-line-height);
  overflow-wrap: anywhere;
}

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

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose pre,
.prose table,
.prose .table-scroll,
.prose .callout,
.prose .stat-grid,
.prose .check-list,
.prose .verdict {
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
}

.prose h2 {
  counter-increment: article-section;
  margin: 3rem 0 1.1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-section);
  font-weight: 850;
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.prose h2::before {
  display: inline-block;
  min-width: 2.1rem;
  margin-right: 0.7rem;
  padding: 0.18rem 0.35rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-text);
  content: counter(article-section, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.4;
  text-align: center;
  vertical-align: 0.15em;
}

.prose h3 {
  margin: 2rem 0 0.8rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-subsection);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.prose a {
  color: var(--color-accent-ink);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.prose blockquote {
  padding: 1rem 1.25rem;
  border-left: 0.25rem solid var(--color-text);
  background: var(--color-panel-alt);
  color: var(--color-muted);
}

.prose blockquote p {
  margin: 0;
}

.prose pre {
  position: relative;
  max-width: 100%;
  padding: 3.2rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 1.3rem 1.35rem, var(--color-error) 0 0.28rem, transparent 0.3rem),
    radial-gradient(circle at 2.3rem 1.35rem, var(--color-warning) 0 0.28rem, transparent 0.3rem),
    radial-gradient(circle at 3.3rem 1.35rem, var(--color-success) 0 0.28rem, transparent 0.3rem),
    var(--color-text);
  color: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.prose pre::after {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  color: var(--color-border);
  content: "terminal";
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.prose code {
  font-family: var(--font-mono);
  font-size: var(--blog-code-size);
}

.prose :not(pre) > code {
  padding: 0.12rem 0.35rem;
  border-radius: var(--radius-sm);
  background: var(--color-panel-alt);
  color: var(--color-text);
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.prose table {
  width: 100%;
  min-width: 38rem;
  margin: 0;
  border-collapse: collapse;
  background: var(--color-panel);
}

.prose th,
.prose td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--color-text);
  color: var(--color-panel);
  font-weight: 800;
}

.prose tbody tr:nth-child(even) {
  background: var(--color-panel-alt);
}

.prose tbody tr {
  transition: background-color var(--blog-transition);
}

.prose tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 14%, var(--color-panel));
}

.callout {
  position: relative;
  padding: 1.15rem 1.25rem 1.15rem 3.6rem;
  border: 1px solid var(--color-border);
  border-left: 0.3rem solid var(--color-accent-ink);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-panel));
}

.callout::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border: 1px solid var(--color-accent-ink);
  border-radius: var(--radius-sm);
  color: var(--color-accent-ink);
  content: "i";
  font-family: var(--font-mono);
  font-weight: 800;
  line-height: 1;
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 11%, var(--color-panel));
}

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

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

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

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

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

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

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-panel));
}

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

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

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

.stat-num {
  display: block;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1.2;
}

.stat-label {
  display: block;
  margin-top: 0.45rem;
  color: var(--color-muted);
  font-size: var(--blog-small-size);
  line-height: 1.55;
}

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

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

.check-list li + li {
  margin-top: 0.65rem;
}

.verdict {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--color-border);
  border-left: 0.35rem solid var(--color-accent-ink);
  border-radius: var(--radius-md);
  background: var(--color-panel-alt);
}

.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;
  margin-top: 1rem;
  margin-bottom: 2.5rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  border: 1px solid var(--color-accent-ink);
  border-radius: var(--radius-md);
  background:
    linear-gradient(120deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 42%, var(--color-panel)));
  color: var(--color-text);
  box-shadow: var(--shadow-raised);
}

.end-promo::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 8% 25%, var(--color-text) 0 1px, transparent 1px);
  background-size: 1.4rem 1.4rem;
  content: "";
  opacity: 0.12;
  pointer-events: none;
}

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

.end-promo h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--blog-title-section);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.end-promo p {
  margin: 0.65rem 0 0;
  color: var(--color-text);
  line-height: 1.7;
}

.end-promo .btn-primary {
  flex: 0 0 auto;
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-text);
}

.end-promo .btn-primary:hover {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-panel);
}

#related-posts {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--blog-title-section);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.related-card {
  position: relative;
  min-width: 0;
  padding: 1.1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition:
    border-color var(--blog-transition),
    box-shadow var(--blog-transition),
    transform var(--blog-transition);
}

.related-card:hover {
  border-color: var(--color-accent-ink);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.related-card h3 {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.related-card p {
  margin: 0.7rem 0 0;
  color: var(--color-muted);
  font-size: var(--blog-small-size);
  line-height: 1.65;
}

.related-meta time {
  padding-inline: 0;
  border: 0;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  padding-top: 1rem;
  padding-bottom: 2.5rem;
}

#post-nav.has-single-link {
  grid-template-columns: minmax(0, 1fr);
}

.post-nav-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-alt);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--blog-transition),
    background-color var(--blog-transition),
    transform var(--blog-transition);
}

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

.post-nav-label {
  margin-bottom: 0.45rem;
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: 700;
}

.post-nav-card strong {
  line-height: 1.55;
}

/* Article-only floating action */
.float-cta {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: calc(100vw - 2rem);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-text);
  box-shadow: var(--shadow-raised);
  font-weight: 850;
  text-decoration: none;
  transition:
    background-color var(--blog-transition),
    transform var(--blog-transition);
}

.float-cta:hover {
  background: color-mix(in srgb, var(--color-accent) 82%, var(--color-panel));
  transform: translateY(-2px);
}

.float-cta svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
}

@media (max-width: 860px) {
  .blog-card-grid,
  .related-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .prose table:not(.table-scroll table) {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 680px) {
  .blog-hero,
  .blog-index-section {
    width: min(calc(100% - (var(--gutter) * 2)), var(--content-width));
  }

  .blog-index-head,
  .end-promo {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-index-head .btn,
  .end-promo .btn {
    width: 100%;
  }

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

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

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

  .article-hero {
    padding-top: 5.25rem;
  }

  .article-hero::after {
    right: var(--blog-inline);
  }

  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .float-cta {
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    padding: 0.7rem 0.85rem;
    font-size: var(--blog-small-size);
  }
}

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

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