:root {
  --blog-reading: 56rem;
  --blog-gutter: clamp(1.5rem, 4vw, 2rem);
  --blog-ink: var(--text);
  --blog-muted: var(--text-muted);
  --blog-paper: var(--bg-panel);
  --blog-tint: color-mix(in srgb, var(--bg-panel-2) 76%, var(--bg));
  --blog-accent-tint: color-mix(in srgb, var(--accent) 15%, var(--bg-panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 12%, var(--bg-panel));
  --blog-warn-tint: color-mix(in srgb, var(--warn) 13%, var(--bg-panel));
  --blog-line: var(--border);
  --blog-radius: var(--r-lg);
  --blog-card-radius: var(--r-md);
  --blog-motion: 220ms ease;
}

.blog-hero,
.article-hero {
  box-sizing: border-box;
  width: 100%;
  border-block: 1px solid var(--blog-line);
  background:
    radial-gradient(circle at 88% 24%, var(--blog-accent-tint), transparent 38%),
    linear-gradient(180deg, var(--bg-panel), var(--blog-tint));
  color: var(--blog-ink);
}

.blog-hero {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  padding-inline: var(--blog-gutter);
}

.blog-hero__inner {
  max-width: var(--blog-reading);
  margin-inline: auto;
}

.blog-hero__eyebrow,
.blog-directory__eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.blog-hero h1 {
  max-width: 15em;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: pretty;
}

.blog-hero__inner > p:last-child {
  max-width: 42rem;
  margin: 1rem 0 0;
  color: var(--blog-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-directory {
  max-width: calc(var(--blog-reading) + var(--blog-gutter) * 2);
  margin-inline: auto;
}

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

.blog-directory__heading h2 {
  margin: 0;
  color: var(--blog-ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-directory__guide {
  color: var(--accent-dark);
  font-weight: 700;
  text-underline-offset: 0.25em;
}

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

.blog-filters button {
  min-height: 2.7rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--blog-line);
  border-radius: var(--r-pill);
  background: var(--blog-paper);
  color: var(--blog-ink);
  font: 600 0.9rem var(--font-body);
  cursor: pointer;
  transition: border-color var(--blog-motion), background-color var(--blog-motion);
}

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

.blog-filters button[aria-pressed="true"] {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: var(--on-dark);
}

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

.article-card,
.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-card-radius);
  background: var(--blog-paper);
  box-shadow: var(--shadow-card), inset 0 1px var(--highlight);
  transition: border-color var(--blog-motion), transform var(--blog-motion);
}

.article-card::before,
.related-card::before {
  position: absolute;
  top: 0;
  right: 1.5rem;
  left: 1.5rem;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--accent);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-motion);
}

.article-card:hover,
.article-card:focus-within,
.related-card:hover,
.related-card:focus-within {
  border-color: var(--accent-dark);
  transform: translateY(-3px);
}

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

.article-card__meta,
.related-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  color: var(--blog-muted);
  font-size: 0.85rem;
}

.article-card__tag,
.related-card__meta .badge {
  color: var(--accent-dark);
}

.article-card h3,
.related-card h3 {
  margin: 1.2rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 750;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

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

.article-card p,
.related-card p {
  margin: 0;
  color: var(--blog-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.article-card__read {
  position: relative;
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.article-card__read:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.blog-directory__empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border-radius: var(--blog-card-radius);
  background: var(--blog-tint);
  color: var(--blog-muted);
}

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

.article-breadcrumb,
.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--blog-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

.article-hero {
  position: relative;
  width: 100vw;
  max-width: none;
  margin-inline: calc(50% - 50vw);
  padding-block: clamp(2.3rem, 5vw, 4rem);
  padding-inline: max(var(--blog-gutter), calc((100vw - var(--blog-reading)) / 2));
}

.article-hero > * {
  max-width: var(--blog-reading);
  margin-inline: auto;
}

.article-hero__meta,
.article-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.4rem 0.7rem;
  color: var(--blog-muted);
  font-size: 0.9rem;
}

.article-hero__meta .badge,
.article-meta .badge {
  color: var(--accent-dark);
  font-weight: 700;
}

.article-hero h1 {
  margin-top: 1.2rem;
  margin-bottom: 0;
  color: var(--blog-ink);
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-hero__summary,
.article-hero > p:last-child {
  margin-top: 1rem;
  margin-bottom: 0;
  color: var(--blog-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.reading-wrap {
  margin-top: 0;
  margin-bottom: 0;
}

.prose {
  min-width: 0;
  padding-block: 1.6rem 2rem;
  color: var(--blog-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  overflow-wrap: break-word;
  counter-reset: blog-section;
}

.prose h2,
.prose h3 {
  color: var(--blog-ink);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.prose h2 {
  margin: 2.5rem 0 1rem;
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  line-height: 1.45;
  counter-increment: blog-section;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h2::before {
  display: inline-block;
  margin-right: 0.7em;
  color: var(--accent-dark);
  font: 700 0.8em var(--font-mono);
  content: counter(blog-section, decimal-leading-zero) " /";
}

.prose h3 {
  margin: 1.9rem 0 0.7rem;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.5;
}

.prose p,
.prose ul,
.prose ol {
  margin-block: 0 1.2rem;
}

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

.prose a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose strong {
  color: var(--blog-ink);
}

.prose blockquote.callout,
.prose .callout {
  position: relative;
  margin: 1.8rem 0;
  padding: 1.1rem 1.3rem 1.1rem 3.2rem;
  border-left: 4px solid var(--accent-dark);
  border-radius: 0 var(--blog-card-radius) var(--blog-card-radius) 0;
  background: var(--blog-accent-tint);
  color: var(--blog-ink);
}

.prose .callout::before {
  position: absolute;
  top: 1.1rem;
  left: 1rem;
  display: grid;
  width: 1.4rem;
  height: 1.4rem;
  place-items: center;
  border-radius: var(--r-pill);
  background: var(--accent-dark);
  color: var(--on-dark);
  font: 700 0.85rem var(--font-mono);
  content: "i";
}

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

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

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

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

.prose .stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0.8rem;
  margin: 1.8rem 0;
}

.prose .stat-card {
  padding: 1.2rem;
  border: 1px solid var(--blog-line);
  border-top: 3px solid var(--accent-dark);
  border-radius: var(--blog-card-radius);
  background: var(--blog-accent-tint);
}

.prose .stat-card:nth-child(even) {
  border-top-color: var(--success);
  background: var(--blog-success-tint);
}

.prose .stat-num,
.prose .stat-label {
  display: block;
}

.prose .stat-num {
  color: var(--blog-ink);
  font: 800 clamp(1.3rem, 3vw, 1.8rem) var(--font-display);
}

.prose .stat-label {
  margin-top: 0.3rem;
  color: var(--blog-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.prose .check-list {
  padding: 0.7rem;
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-card-radius);
  background: var(--blog-tint);
  list-style: none;
}

.prose .check-list li {
  margin: 0;
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-sm);
  background: var(--blog-paper);
  list-style: none;
}

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

.prose .verdict {
  margin: 1.8rem 0;
  padding: 1.1rem 1.4rem;
  border-left: 5px solid var(--accent-dark);
  border-radius: 0 var(--blog-card-radius) var(--blog-card-radius) 0;
  background: var(--blog-accent-tint);
}

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

.table-scroll {
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.prose table,
.prose .data-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  font-size: 0.93rem;
  line-height: 1.6;
}

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

.prose thead th {
  border-color: var(--text);
  background: var(--text);
  color: var(--on-dark);
  font-weight: 700;
}

.prose tbody tr:nth-child(even) {
  background: var(--blog-tint);
}

.prose tbody tr:hover {
  background: var(--blog-accent-tint);
}

.prose pre {
  position: relative;
  max-width: 100%;
  margin: 1.7rem 0;
  padding: 2.8rem 1.3rem 1.3rem;
  border-radius: var(--blog-card-radius);
  background: var(--text);
  color: var(--on-dark);
  overflow-x: auto;
  font: 0.9rem/1.75 var(--font-mono);
}

.prose pre::before {
  position: absolute;
  top: 0.9rem;
  left: 1.2rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--r-pill);
  background: var(--error);
  box-shadow: 1rem 0 var(--warn), 2rem 0 var(--success);
  content: "";
}

.prose pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.prose :not(pre) > code {
  padding: 0.1em 0.35em;
  border-radius: var(--r-sm);
  background: var(--blog-tint);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-sizing: border-box;
  width: min(calc(100% - var(--blog-gutter) * 2), var(--blog-reading));
  margin: 1.5rem auto 2rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--accent-dark);
  border-radius: var(--blog-radius);
  background: linear-gradient(125deg, var(--accent-dark), color-mix(in srgb, var(--accent-dark) 76%, var(--text)));
  color: var(--on-dark);
  box-shadow: var(--shadow-soft);
}

.promo-block::before {
  position: absolute;
  inset: 0.6rem;
  border: 1px solid color-mix(in srgb, var(--on-dark) 35%, transparent);
  border-radius: calc(var(--blog-radius) - 0.4rem);
  content: "";
  pointer-events: none;
}

.promo-block h2 {
  margin: 0 0 0.5rem;
  color: var(--on-dark);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.promo-block p {
  margin: 0;
  color: var(--on-dark);
  line-height: 1.75;
}

.promo-block .btn-primary {
  flex: none;
  border: 1px solid var(--blog-paper);
  background: var(--blog-paper);
  color: var(--blog-ink);
}

.promo-block .btn-secondary {
  border-color: var(--on-dark);
  background: transparent;
  color: var(--on-dark);
}

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

#related-posts:not(:empty) {
  padding-top: 2rem;
}

#related-posts h2 {
  margin: 0 0 1.2rem;
  color: var(--blog-ink);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.related-card {
  padding: 1.25rem;
}

.related-card h3 {
  font-size: 1.05rem;
}

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

#post-nav:not(:empty) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
  padding-bottom: 1.5rem;
}

.post-nav__link {
  display: block;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-card-radius);
  background: var(--blog-paper);
  color: var(--blog-ink);
  text-decoration: none;
  transition: border-color var(--blog-motion), transform var(--blog-motion);
}

.post-nav__link:hover,
.post-nav__link:focus-visible {
  border-color: var(--accent-dark);
  transform: translateY(-3px);
}

.post-nav__link--next {
  grid-column: 2;
  text-align: right;
}

.post-nav__caption {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.post-nav__link strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.55;
}

.float-cta {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent);
  box-shadow: var(--shadow-soft);
  color: var(--blog-ink);
  font: 700 0.95rem var(--font-body);
  text-decoration: none;
  transition: transform var(--blog-motion);
}

.float-cta:hover,
.float-cta:focus-visible {
  transform: translateY(-3px);
}

.float-cta svg {
  width: 1.1rem;
  height: 1.1rem;
  flex: none;
}

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

@media (max-width: 640px) {
  .blog-directory__heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  #post-nav:not(:empty) {
    grid-template-columns: 1fr;
  }

  .post-nav__link--next {
    grid-column: 1;
  }

  .float-cta {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 2rem);
    box-sizing: border-box;
  }
}

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

  .article-card:hover,
  .article-card:focus-within,
  .related-card:hover,
  .related-card:focus-within,
  .post-nav__link:hover,
  .post-nav__link:focus-visible,
  .float-cta:hover,
  .float-cta:focus-visible {
    transform: none;
  }
}