:root {
  --blog-reading-width: 56rem;
  --blog-card-gap: clamp(1rem, 2vw, 1.5rem);
  --blog-stamp-size: clamp(4.5rem, 10vw, 7rem);
  --blog-transition: 180ms ease;
}

.blog-breadcrumb,
.article-breadcrumb {
  width: min(100%, var(--blog-reading-width));
  margin-top: 1.5rem;
  margin-inline: auto;
  padding-top: 0.25rem;
  padding-inline: var(--gutter);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

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

.blog-breadcrumb li + li::before,
.article-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-border);
}

.blog-breadcrumb a,
.article-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.blog-breadcrumb a:hover,
.article-breadcrumb a:hover {
  color: var(--color-accent);
}

.blog-list-hero,
.article-hero {
  position: relative;
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  margin: clamp(1.5rem, 4vw, 3rem) auto 0;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 5vw, 3.5rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background:
    radial-gradient(
      circle at top right,
      color-mix(in srgb, var(--color-accent) 12%, transparent),
      transparent 34%
    ),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.blog-list-hero__stamp,
.article-hero::after {
  position: absolute;
  top: clamp(1.25rem, 3vw, 2rem);
  right: clamp(1.25rem, 3vw, 2rem);
  display: grid;
  width: var(--blog-stamp-size);
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.4rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  transform: rotate(-11deg);
  box-shadow:
    inset 0 0 0 0.3rem var(--color-panel),
    inset 0 0 0 0.38rem var(--color-accent);
  pointer-events: none;
}

.article-hero::after {
  content: "2V";
}

.blog-list-hero__meta,
.article-hero__eyebrow {
  margin: 0 0 1rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-list-hero h1,
.article-hero h1 {
  position: relative;
  z-index: 1;
  max-width: calc(100% - var(--blog-stamp-size));
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: pretty;
}

.blog-list-hero h1 {
  font-size: clamp(2.1rem, 6vw, 3rem);
}

.article-hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
}

.blog-list-hero > p:last-child,
.article-hero__summary {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.article-hero__meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.article-hero__meta span,
.article-hero__meta time {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding-inline: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  background: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.article-hero__meta .article-tag {
  border-color: var(--color-accent);
  color: var(--color-panel);
  background: var(--color-accent);
}

.blog-index-section {
  padding-top: clamp(3.5rem, 8vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
}

.blog-index-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.blog-index-heading h2 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  text-wrap: pretty;
}

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

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

.blog-filter__button {
  min-height: 2.4rem;
  padding-inline: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  background: var(--color-panel);
  font: 700 0.875rem/1 var(--font-body);
  cursor: pointer;
  transition:
    color var(--blog-transition),
    border-color var(--blog-transition),
    background-color var(--blog-transition),
    transform var(--blog-transition);
}

.blog-filter__button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.blog-filter__button.is-active {
  border-color: var(--color-accent);
  color: var(--color-panel);
  background: var(--color-accent);
}

.blog-filter__button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-accent) 32%, transparent);
  outline-offset: 2px;
}

.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: 19rem;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.article-card::before,
.related-card::before,
.post-nav__link::before {
  position: absolute;
  top: 0;
  right: 1rem;
  left: 1rem;
  height: 3px;
  border-radius: 0 0 var(--radius-small) var(--radius-small);
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-transition);
}

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-panel-hover);
  transform: translateY(-3px);
}

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

.article-card__meta,
.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-card__tag {
  color: var(--color-accent);
  font-weight: 700;
}

.article-card h3,
.related-card h3 {
  margin: 1rem 0 0;
  color: var(--color-text);
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-card p,
.related-card p {
  margin: 0.85rem 0 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.article-card__link,
.related-card__link {
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 800;
  text-decoration: none;
}

.article-card__link:hover,
.related-card__link:hover {
  color: var(--color-accent-dark);
}

.blog-empty {
  margin: 0;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-medium);
  color: var(--color-text-muted);
  background: var(--color-panel);
  text-align: center;
}

.blog-index-promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: var(--section-space);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel-strong);
  box-shadow: var(--shadow-panel);
}

.blog-index-promo h2 {
  margin: 0.35rem 0 0.65rem;
  text-wrap: pretty;
}

.blog-index-promo p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.reading-wrap,
.article-body,
.post-content,
article[data-blog-article] {
  box-sizing: border-box;
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  max-width: var(--blog-reading-width);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 3.5rem);
}

.reading-wrap,
.article-body,
.post-content,
article[data-blog-article] {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
  counter-reset: blog-section;
}

.article-body > :first-child,
.post-content > :first-child,
article[data-blog-article] > :first-child {
  margin-top: 0;
}

.article-body p,
.post-content p,
article[data-blog-article] p {
  margin: 1rem 0;
}

.article-body h2,
.post-content h2,
article[data-blog-article] h2 {
  position: relative;
  margin: 2.8rem 0 1rem;
  color: var(--color-text);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  counter-increment: blog-section;
}

.article-body h2::before,
.post-content h2::before,
article[data-blog-article] h2::before {
  display: inline-block;
  min-width: 2rem;
  margin-right: 0.55rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78em;
  content: counter(blog-section, decimal-leading-zero);
}

.article-body h3,
.post-content h3,
article[data-blog-article] h3 {
  margin: 2rem 0 0.8rem;
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body a,
.post-content a,
article[data-blog-article] a {
  color: var(--color-accent-dark);
  text-decoration-color: color-mix(in srgb, var(--color-accent) 50%, transparent);
  text-underline-offset: 0.2em;
}

.article-body blockquote,
.post-content blockquote,
article[data-blog-article] blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-accent);
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-panel));
}

.article-body ul,
.article-body ol,
.post-content ul,
.post-content ol,
article[data-blog-article] ul,
article[data-blog-article] ol {
  padding-left: 1.4rem;
}

.article-body li + li,
.post-content li + li,
article[data-blog-article] li + li {
  margin-top: 0.55rem;
}

.article-body table,
.post-content table,
article[data-blog-article] table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  font-size: 0.9rem;
}

.article-body th,
.article-body td,
.post-content th,
.post-content td,
article[data-blog-article] th,
article[data-blog-article] td {
  min-width: 8rem;
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.article-body thead th,
.post-content thead th,
article[data-blog-article] thead th {
  border-color: var(--color-ink);
  color: var(--color-panel);
  background: var(--color-ink);
}

.article-body tbody tr:nth-child(even),
.post-content tbody tr:nth-child(even),
article[data-blog-article] tbody tr:nth-child(even) {
  background: var(--color-panel-strong);
}

.article-body tbody tr:hover,
.post-content tbody tr:hover,
article[data-blog-article] tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-panel));
}

.article-body pre,
.post-content pre,
article[data-blog-article] pre {
  position: relative;
  margin: 1.5rem 0;
  padding: 2.8rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-ink-deep);
  border-radius: var(--radius-small);
  color: var(--color-lane);
  background: var(--color-ink);
  box-shadow: var(--shadow-deep);
}

.article-body pre::before,
.post-content pre::before,
article[data-blog-article] pre::before {
  position: absolute;
  top: 0.85rem;
  left: 1rem;
  color: var(--color-error);
  font-size: 1.2rem;
  letter-spacing: 0.35rem;
  content: "● ● ●";
  text-shadow:
    1.15rem 0 var(--color-warn),
    2.3rem 0 var(--color-success);
}

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

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.1rem 1.2rem 1.1rem 3.4rem;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-small);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-panel));
}

.callout::before {
  position: absolute;
  top: 1.1rem;
  left: 1rem;
  display: grid;
  width: 1.5rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  color: var(--color-panel);
  background: var(--color-accent);
  font: 800 0.8rem/1 var(--font-mono);
  content: "i";
}

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

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

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

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.stat-card {
  position: relative;
  min-width: 0;
  padding: 1.15rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-panel);
}

.stat-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--color-accent);
  content: "";
}

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

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

.stat-num {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
}

.stat-label {
  margin-top: 0.35rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.check-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

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

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

.verdict {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  background: var(--color-panel-strong);
}

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

.promo-block {
  position: relative;
  display: flex;
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  margin: 1rem auto 0;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  overflow: hidden;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-medium);
  color: var(--color-panel);
  background:
    linear-gradient(
      135deg,
      var(--color-ink-deep),
      var(--color-ink),
      var(--color-accent-dark)
    );
  box-shadow: var(--shadow-deep);
}

.promo-block::before {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(
      circle,
      color-mix(in srgb, var(--color-lane) 14%, transparent) 1px,
      transparent 1px
    );
  background-size: 14px 14px;
  content: "";
  pointer-events: none;
}

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

.promo-block h2,
.promo-block p {
  color: var(--color-panel);
}

.promo-block h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
  text-wrap: pretty;
}

.promo-block p {
  margin: 0;
  line-height: 1.7;
}

.promo-block .btn-primary {
  border-color: var(--color-panel);
  color: var(--color-ink);
  background: var(--color-panel);
}

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

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

#related-posts {
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  margin-inline: auto;
  padding-top: clamp(2rem, 5vw, 3rem);
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.related-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 15rem;
  flex-direction: column;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-panel);
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-panel);
  transform: translateY(-3px);
}

.related-card h3 {
  font-size: 1rem;
}

.related-card p {
  font-size: 0.9rem;
}

#post-nav {
  display: grid;
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  margin-inline: auto;
  padding-top: clamp(1.5rem, 3vw, 2rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.post-nav__link {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 7.5rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text);
  background: var(--color-panel);
  text-decoration: none;
  transition:
    transform var(--blog-transition),
    border-color var(--blog-transition),
    box-shadow var(--blog-transition);
}

.post-nav__link:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-panel);
  transform: translateY(-2px);
}

.post-nav__label {
  margin-bottom: 0.45rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

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

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

.float-cta {
  position: fixed;
  right: max(1rem, var(--gutter));
  bottom: max(1rem, var(--gutter));
  z-index: 20;
  display: inline-flex;
  min-height: 3rem;
  max-width: min(20rem, calc(100vw - 2rem));
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-medium);
  color: var(--color-panel);
  background: var(--color-accent);
  box-shadow: var(--shadow-deep);
  font-weight: 800;
  text-decoration: none;
  transition:
    transform var(--blog-transition),
    background-color var(--blog-transition);
}

.float-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.float-cta svg {
  width: 1.2rem;
  height: 1.2rem;
  flex: 0 0 auto;
}

.no-break {
  white-space: nowrap;
}

@media (max-width: 860px) {
  .article-body table,
  .post-content table,
  article[data-blog-article] table,
  .prose > .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

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

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

@media (max-width: 768px) {
  .blog-list-hero__stamp,
  .article-hero::after {
    width: 4.5rem;
    opacity: 0.75;
  }

  .blog-list-hero h1,
  .article-hero h1 {
    max-width: 100%;
    padding-right: 2.5rem;
  }

  .blog-card-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 520px) {
  .blog-breadcrumb,
  .article-breadcrumb {
    padding-inline: var(--gutter);
  }

  .blog-list-hero,
  .article-hero,
  .reading-wrap,
  .promo-block,
  #related-posts,
  #post-nav {
    width: calc(100% - (var(--gutter) * 2));
  }

  .article-body,
  .post-content,
  article[data-blog-article] {
    width: 100%;
    padding-inline: calc(var(--gutter) + 1.5rem);
  }

  .no-break {
    white-space: normal;
  }

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

  .blog-filter__button {
    flex: 0 0 auto;
  }

  .float-cta {
    right: 0.75rem;
    bottom: 0.75rem;
    max-width: calc(100vw - 1.5rem);
  }
}

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

  .article-card:hover,
  .related-card:hover,
  .post-nav__link:hover,
  .blog-filter__button:hover,
  .float-cta:hover {
    transform: none;
  }
}