:root {
  --blog-reading: 56rem;
  --blog-heading-track: -0.015em;
  --blog-body-size: 1rem;
  --blog-body-leading: 1.9;
  --blog-rule-width: 3.5em;
  --blog-card-gap: 1.5rem;
  --blog-section-gap: 2.5rem;
  --blog-hover-shift: -3px;
  --blog-note-bg: color-mix(in srgb, var(--accent) 6%, var(--panel));
  --blog-warning-bg: color-mix(in srgb, var(--warn) 9%, var(--panel));
  --blog-success-bg: color-mix(in srgb, var(--success) 8%, var(--panel));
  --blog-stat-alt: color-mix(in srgb, var(--accent-violet) 8%, var(--panel));
}

.blog-index,
body:has(.article-hero) {
  overflow-wrap: anywhere;
}

.blog-index h1,
.blog-index h2,
.blog-index h3,
.article-hero h1,
.article-body h2,
.article-body h3,
.reading-wrap h2,
.reading-wrap h3,
#related-posts h2,
#related-posts h3 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-heading-track);
  font-family: var(--font-display);
}

.blog-breadcrumb,
.breadcrumbs,
.breadcrumb {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  padding-bottom: 1rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.blog-breadcrumb ol,
.breadcrumbs ol,
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-breadcrumb li + li::before,
.breadcrumbs li + li::before,
.breadcrumb li + li::before {
  content: "/";
  margin-inline-end: 0.5rem;
  color: var(--muted);
}

.blog-breadcrumb a,
.breadcrumbs a,
.breadcrumb a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

.reading-wrap,
.article-hero,
.article-breadcrumb,
body:has(.article-hero) .blog-breadcrumb,
body:has(.article-hero) .breadcrumbs,
body:has(.article-hero) .breadcrumb {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--gutter) + var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.article-hero {
  padding-block: 2rem 2.5rem;
  text-align: center;
  background: none;
  border: 0;
  border-radius: var(--r-xs);
  box-shadow: none;
}

.article-hero .kicker,
.blog-list-hero .kicker {
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.article-hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1.4;
  margin: 0;
  color: var(--text);
}

.article-hero h1::after,
.blog-list-hero h1::after {
  content: "";
  display: block;
  width: var(--blog-rule-width);
  height: 3px;
  margin: 1.25rem auto;
  border-radius: var(--r-pill);
  background: var(--grad-cta);
}

.article-hero .article-summary,
.article-hero .lead,
.article-hero > p:not(.kicker):not(.article-meta),
.blog-intro {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 1rem auto 0;
  max-width: 48rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.article-hero .article-meta {
  justify-content: center;
  margin: 1.25rem 0 0;
  gap: 0.5rem;
}

.article-hero .article-meta > * + *::before {
  content: "·";
  display: inline;
  color: var(--muted);
  margin-inline-end: 0.5rem;
}

.article-hero .article-meta > *,
.article-hero .article-meta .tag {
  background: none;
  border: 0;
  padding: 0;
  color: var(--muted);
  border-radius: var(--r-xs);
}

.article-meta .tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: var(--accent-tint);
  color: var(--accent-dark);
  border-radius: var(--r-sm);
  font-weight: 700;
  white-space: normal;
}

.blog-list-hero {
  text-align: center;
  padding-block: 2.5rem 3rem;
}

.blog-list-hero h1 {
  color: var(--text);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.35;
  margin: 0;
}

.blog-directory {
  padding-bottom: 2.5rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
}

.blog-filter {
  appearance: none;
  min-height: 44px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.blog-filter:hover {
  border-color: var(--accent);
}

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

.blog-result-status {
  margin: 1rem 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  min-height: 1.5em;
}

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

.blog-card-grid > *,
.related-grid > * {
  min-width: 0;
}

.article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r);
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow-float);
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  transform: translateY(var(--blog-hover-shift));
}

.blog-index .article-card-title,
#related-posts .article-card-title {
  font-size: 1.2rem;
  line-height: 1.65;
  font-weight: 800;
  margin: 0;
}

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

.article-card-title a:hover {
  color: var(--accent-dark);
}

.article-card .article-summary {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.85;
  margin: 0;
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.5rem;
  margin-top: auto;
  padding-block: 0.25rem;
  color: var(--accent-dark);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--r);
  color: var(--muted);
  background: var(--panel);
  line-height: 1.8;
}

.reading-wrap .prose,
.reading-wrap.article-body,
.reading-wrap[data-article-body],
.reading-wrap > .article-body,
.reading-wrap > [data-article-body] {
  max-width: none;
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
  color: var(--text);
}

.article-body,
[data-article-body],
.reading-wrap.prose {
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
  overflow-wrap: anywhere;
}

.article-body p,
[data-article-body] p,
.reading-wrap.prose p {
  margin-block: 0 1.25rem;
}

.article-body h2,
[data-article-body] h2,
.reading-wrap.prose h2 {
  display: block;
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  line-height: 1.55;
  color: var(--text);
  letter-spacing: var(--blog-heading-track);
  text-wrap: pretty;
  margin-block: 2.5rem 1rem;
  scroll-margin-top: var(--anchor-offset);
}

.article-body h2::before,
[data-article-body] h2::before,
.reading-wrap.prose h2::before {
  content: "";
  display: inline-block;
  width: 0.8em;
  height: 0.2em;
  vertical-align: middle;
  margin-inline-end: 0.5em;
  border-radius: var(--r-pill);
  background: var(--grad-cta);
}

.article-body > h2:first-child,
[data-article-body] > h2:first-child,
.reading-wrap.prose > h2:first-child {
  margin-top: 0.5rem;
}

.article-body h3,
[data-article-body] h3,
.reading-wrap.prose h3 {
  display: block;
  font-size: 1.25rem;
  line-height: 1.6;
  margin-block: 1.75rem 0.75rem;
  text-wrap: pretty;
  letter-spacing: var(--blog-heading-track);
  color: var(--text);
}

.article-body ul,
.article-body ol,
[data-article-body] ul,
[data-article-body] ol {
  padding-inline-start: 1.5rem;
  margin-block: 1rem 1.5rem;
}

.article-body li,
[data-article-body] li {
  margin-block: 0.5rem;
}

.article-body a,
[data-article-body] a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

.article-body :not(pre) > code,
[data-article-body] :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--accent-dark);
  background: var(--panel-2);
  border-radius: var(--r-xs);
  padding: 0.12em 0.35em;
  white-space: normal;
  overflow-wrap: anywhere;
}

.article-body pre,
[data-article-body] pre,
.reading-wrap.prose pre {
  position: relative;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 3rem 1.5rem 1.5rem;
  border: 1px solid var(--success);
  border-radius: var(--r);
  background: var(--navy);
  color: var(--code-val);
  box-shadow: 0 0 24px var(--teal-a20);
  font: 0.875rem/1.8 var(--font-mono);
  white-space: pre;
}

.article-body pre::before,
[data-article-body] pre::before,
.reading-wrap.prose pre::before {
  content: "U8 / RESPONSE";
  position: absolute;
  top: 0.75rem;
  left: 1.5rem;
  color: var(--success);
  font: 0.6875rem/1.5 var(--font-mono);
  letter-spacing: 0.1em;
}

.article-body pre code,
[data-article-body] pre code,
.reading-wrap.prose pre code {
  background: none;
  color: inherit;
  padding: 0;
  font: inherit;
  white-space: inherit;
  overflow-wrap: normal;
  word-break: normal;
}

.reading-wrap .table-scroll,
.article-body .table-scroll,
[data-article-body] .table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
}

.article-body table,
[data-article-body] table,
.reading-wrap.prose table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--panel);
}

.article-body th,
.article-body td,
[data-article-body] th,
[data-article-body] td,
.reading-wrap.prose th,
.reading-wrap.prose td {
  padding: 0.875rem 1rem;
  text-align: start;
  border-bottom: 1px solid var(--border);
}

.article-body thead th,
[data-article-body] thead th,
.reading-wrap.prose thead th {
  background: var(--navy);
  color: var(--white);
  word-break: keep-all;
}

.article-body tbody th,
[data-article-body] tbody th {
  color: var(--text);
  word-break: keep-all;
}

.article-body tbody tr:nth-child(even),
[data-article-body] tbody tr:nth-child(even),
.reading-wrap.prose tbody tr:nth-child(even) {
  background: var(--blog-note-bg);
}

.article-body tbody tr:hover,
[data-article-body] tbody tr:hover,
.reading-wrap.prose tbody tr:hover {
  background: var(--accent-tint);
}

.article-body caption,
[data-article-body] caption {
  text-align: start;
  color: var(--muted);
  padding: 0.75rem 1rem;
}

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-note-bg);
  color: var(--text);
}

.callout::before {
  content: "i";
  position: absolute;
  inset-inline-start: 1rem;
  top: 1.35rem;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid currentColor;
  border-radius: var(--r-round);
  color: var(--accent-dark);
  text-align: center;
  font: 700 0.875rem/1.4rem var(--font-mono);
}

.callout.warning,
.callout--warning {
  background: var(--blog-warning-bg);
  border-inline-start-color: var(--warn);
}

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

.callout.success,
.callout--success {
  background: var(--blog-success-bg);
  border-inline-start-color: var(--accent);
}

.callout.success::before,
.callout--success::before {
  content: "i";
  color: var(--accent-dark);
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r);
  background: var(--blog-note-bg);
}

.stat-card:nth-child(even) {
  border-top-color: var(--accent-violet);
  background: var(--blog-stat-alt);
}

.stat-num {
  display: block;
  color: var(--accent-dark);
  font: 800 1.75rem/1.4 var(--font-display);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.article-body .check-list,
[data-article-body] .check-list,
.reading-wrap .check-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
  margin-block: 1.5rem;
}

.check-list li {
  list-style: none;
  margin: 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
}

.verdict {
  margin-block: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--accent-tint);
  color: var(--text);
}

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

.promo-block {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--accent);
  border-radius: var(--r);
  background: var(--grad-cta);
  color: var(--white);
}

.reading-wrap .promo-block {
  margin-block: 2.5rem;
}

.promo-block strong {
  font: 900 1.5rem/1.4 var(--font-display);
  color: var(--white);
}

.promo-block p {
  margin: 0.5rem 0 0;
  line-height: 1.8;
  color: var(--white);
}

.blog-promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.promo-block .btn-main,
.promo-block .btn-primary {
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--accent-dark);
  box-shadow: none;
}

.promo-block .btn-ghost,
.promo-block .btn-secondary {
  border: 1px solid var(--white);
  background: var(--clear);
  color: var(--white);
}

.promo-block .btn:hover {
  outline: 2px solid var(--white-a60);
  outline-offset: 3px;
}

.blog-list-promo {
  padding-bottom: 3rem;
}

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

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r);
  background: var(--panel);
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.post-nav-next {
  grid-column: 2;
}

.post-nav-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent-dark);
  font: 700 0.8125rem/1.6 var(--font-body);
}

.post-nav-title {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.8;
}

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

#related-posts {
  padding-block: 1.5rem 2.5rem;
}

#related-posts > .related-heading {
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 1.25rem;
}

#related-posts .related-heading::before {
  content: none;
}

#post-nav[hidden],
#related-posts[hidden] {
  display: none;
}

.float-cta {
  position: fixed;
  z-index: 40;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  max-width: calc(100vw - 2.5rem);
  box-sizing: border-box;
  min-height: 48px;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--white-a60);
  border-radius: var(--r-pill);
  background: var(--grad-cta);
  color: var(--white);
  font: 700 0.9375rem/1.5 var(--font-body);
  text-decoration: none;
  box-shadow: var(--shadow-raise);
}

.float-cta svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
}

.float-cta:hover {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.blog-index :is(a, button):focus-visible,
.reading-wrap :is(a, button):focus-visible,
.article-hero a:focus-visible,
.float-cta:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 1000px) {
  .blog-card-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .article-body table,
  [data-article-body] table,
  .reading-wrap.prose table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .article-body .table-scroll table,
  [data-article-body] .table-scroll table,
  .reading-wrap.prose .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
    overflow: visible;
  }

  .article-body th,
  .article-body td,
  [data-article-body] th,
  [data-article-body] td {
    min-width: 8rem;
  }
}

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

  .blog-list-hero {
    padding-block: 1.5rem 2rem;
  }

  .blog-list-hero h1 {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

  .article-hero {
    padding-block: 1.5rem 2rem;
  }

  .article-hero h1 {
    font-size: clamp(1.65rem, 6.5vw, 2.2rem);
  }

  .blog-card-grid,
  .related-grid,
  .stat-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-nav-next {
    grid-column: auto;
  }

  .article-card,
  .promo-block {
    padding: 1.25rem;
  }

  .blog-filters {
    justify-content: flex-start;
  }

  .blog-filter {
    padding-inline: 0.75rem;
    font-size: 0.875rem;
  }

  .promo-block,
  .blog-promo-actions {
    align-items: stretch;
  }

  .promo-block > .btn,
  .blog-promo-actions,
  .blog-promo-actions .btn {
    width: 100%;
  }

  .callout {
    padding-inline-end: 1rem;
  }

  body:has(.float-cta) {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
  }

  .float-cta {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 2rem);
    min-height: 44px;
    padding: 0.75rem 1rem;
  }
}

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

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible {
    transform: none;
  }
}