.blog-hero {
  padding-top: clamp(4.5rem, 10vw, 8rem);
  padding-bottom: clamp(3.5rem, 8vw, 6.5rem);
  background:
    radial-gradient(circle at 50% 18%, var(--color-accent-soft), transparent 34rem),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border-soft);
}

.blog-hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.blog-hero h1 {
  max-width: 14ch;
  margin: 1rem auto 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.055em;
  color: var(--color-text);
}

.blog-hero h1 .gradient-text {
  display: block;
  padding-bottom: 0.08em;
}

.blog-hero .lead {
  max-width: 44rem;
  margin-top: 1.5rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.blog-index-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.blog-index-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.blog-index-heading h2 {
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  color: var(--color-text);
}

.section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent-dark);
  text-transform: uppercase;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.blog-filter-button {
  max-width: 14rem;
  min-height: 2.7rem;
  padding: 0.65rem 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

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

.blog-filter-button:focus-visible {
  outline: 3px solid var(--color-accent-soft);
  outline-offset: 2px;
}

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

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-card {
  display: flex;
  min-width: 0;
  min-height: 20rem;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

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

.blog-card-meta,
.related-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}

.blog-card-meta time,
.related-card-meta time {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-muted-light);
}

.blog-card .tag,
.related-card .tag {
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  line-height: 1.35;
  color: var(--color-text);
}

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

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: none;
}

.blog-card-link:hover {
  color: var(--color-accent);
}

.blog-card-arrow {
  transition: transform 160ms ease;
}

.blog-card-link:hover .blog-card-arrow {
  transform: translateX(0.25rem);
}

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

.breadcrumb-wrap {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.breadcrumb a {
  color: var(--color-accent-dark);
  text-decoration: none;
}

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

.breadcrumb-separator {
  color: var(--color-muted-light);
}

.article-hero {
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.article-hero h1 {
  max-width: 20ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
  color: var(--color-text);
}

.article-hero h1 .no-break {
  white-space: normal;
}

.article-summary {
  max-width: 48rem;
  margin: 1.5rem 0 0;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.85;
}

.article-body {
  width: min(100% - (var(--gutter) * 2), var(--reading-width));
  margin-right: auto;
  margin-left: auto;
  padding-bottom: var(--section-space);
  color: var(--color-text);
  font-size: 1.04rem;
  line-height: 1.9;
}

.article-body h2 {
  margin: 3.5rem 0 1.15rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.25;
  color: var(--color-text);
}

.article-body h3 {
  margin: 2.25rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.35;
  color: var(--color-text);
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote,
.article-body pre {
  margin-top: 0;
  margin-bottom: 1.35rem;
}

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

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

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

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.article-body :not(pre) > code {
  padding: 0.12em 0.38em;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-xs);
  background: var(--color-panel-strong);
  color: var(--color-text);
}

.article-body pre {
  max-width: 100%;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-strong);
  color: var(--color-text);
}

.article-body blockquote {
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-warn);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
  color: var(--color-muted);
}

.download-guide-card {
  margin-top: clamp(3.5rem, 8vw, 6rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, var(--color-accent-soft), var(--color-bg));
  box-shadow: var(--shadow-card);
}

.download-guide-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  color: var(--color-text);
}

.download-guide-card p {
  max-width: 42rem;
  margin: 0.85rem 0 0;
  color: var(--color-muted);
}

.download-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

#related-posts {
  margin-top: clamp(3.5rem, 8vw, 6rem);
}

.related-heading {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--color-text);
}

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

.related-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.related-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--color-text);
}

.related-card p {
  margin: 0.8rem 0 1.25rem;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.related-card-link {
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.related-card-link:hover {
  color: var(--color-accent);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-soft);
}

.post-nav-link {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease;
}

.post-nav-link:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

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

.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-accent-dark);
}

.post-nav-title {
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.45;
}

.dl-fab {
  position: fixed;
  right: max(1rem, var(--gutter));
  bottom: max(1rem, var(--gutter));
  z-index: 20;
}

.dl-fab a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: var(--shadow-float);
  color: var(--color-bg);
  font-weight: 750;
  text-decoration: none;
}

.dl-fab a:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.dl-fab-icon {
  display: inline-flex;
  width: 1.3rem;
  height: 1.3rem;
}

.dl-fab-icon svg {
  width: 100%;
  height: 100%;
}

@media (max-width: 56rem) {
  .blog-index-heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

@media (max-width: 42rem) {
  .blog-hero h1 {
    font-size: clamp(1.75rem, 9vw, 2.5rem);
    letter-spacing: -0.04em;
  }

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

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

  .blog-filter {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 0.4rem;
    overflow-x: auto;
    scrollbar-width: thin;
  }

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

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

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

  .download-guide-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .download-guide-actions .button {
    justify-content: center;
    width: 100%;
  }

  .dl-fab a {
    min-width: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter-button,
  .blog-card,
  .blog-card-arrow,
  .post-nav-link {
    transition: none;
  }
}