.blog-hero {
  position: relative;
  overflow: hidden;
  padding-top: 5.5rem;
  padding-bottom: 5rem;
  background:
    radial-gradient(circle at 18% 20%, var(--color-field-mint), transparent 42%),
    radial-gradient(circle at 82% 72%, var(--color-field-sky), transparent 44%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.blog-hero .wrap {
  position: relative;
}

.blog-hero h1 {
  max-width: 100%;
  margin-top: 0.75rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.35rem + 2.4vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.blog-hero__lead {
  max-width: 44rem;
  margin: 0;
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
  line-height: 1.75;
  color: var(--color-muted);
}

.blog-index-section {
  padding-top: 4.5rem;
  padding-bottom: 6rem;
  background: var(--color-panel);
}

.blog-toolbar {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(18rem, 1.3fr);
  align-items: end;
  gap: 2rem;
  margin-bottom: 2rem;
}

.blog-toolbar h2 {
  margin-top: 0.5rem;
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.25rem + 0.8vw, 2rem);
  line-height: 1.25;
  color: var(--color-text);
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.625rem;
}

.blog-filter__button {
  min-height: 2.5rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

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

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

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

.blog-card-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: 1.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.blog-card[hidden] {
  display: none;
}

.article-card__meta,
.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.125rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.blog-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.08rem + 0.4vw, 1.45rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
}

.blog-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-card__title a:hover,
.blog-card__title a:focus-visible {
  color: var(--color-accent-dark);
}

.blog-card__summary {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.blog-card .article-card__link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  color: var(--color-accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.blog-card .article-card__link::after {
  margin-left: 0.35rem;
  content: "→";
}

.blog-card .article-card__link:hover,
.blog-card .article-card__link:focus-visible {
  color: var(--color-accent);
}

.blog-empty {
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-soft);
  color: var(--color-muted);
  text-align: center;
}

.article-shell {
  padding-top: 1.5rem;
  padding-bottom: 5rem;
}

.article-breadcrumb-area {
  padding-top: 0;
  padding-bottom: 0;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: nowrap;
}

.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  flex: 0 0 auto;
  color: var(--color-muted);
  text-decoration: none;
  opacity: 0.6;
}

.blog-breadcrumb a:hover,
.blog-breadcrumb a:focus-visible,
nav.breadcrumb a:hover,
nav.breadcrumb a:focus-visible,
nav.breadcrumbs a:hover,
nav.breadcrumbs a:focus-visible {
  color: var(--color-accent-dark);
  opacity: 1;
}

.blog-breadcrumb .breadcrumb-separator,
nav.breadcrumb .breadcrumb-separator,
nav.breadcrumbs .breadcrumb-separator {
  flex: 0 0 auto;
  color: var(--color-muted);
  opacity: 0.35;
}

.blog-breadcrumb [aria-current="page"],
nav.breadcrumb [aria-current="page"],
nav.breadcrumbs [aria-current="page"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  color: var(--color-muted);
  text-overflow: ellipsis;
}

.article-hero {
  padding-top: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.article-hero + .prose {
  padding-top: 1.25rem;
}

.article-hero + .prose > h2:first-child,
.article-hero + .prose > section:first-child > h2:first-child {
  margin-top: 0;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.article-hero h1 {
  max-width: 100%;
  margin-top: 0.875rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.025em;
  color: var(--color-text);
}

.article-lead {
  max-width: 100%;
  margin-top: 0.9rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  line-height: 1.7;
}

.article-body {
  padding-top: 2.25rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
}

.article-body > section,
.article-body > section.section {
  margin-top: 0;
  margin-bottom: 2.5rem;
  padding-top: 0;
  padding-bottom: 0;
}

.article-body > section + section,
.article-body > section.section + section.section {
  margin-top: 2.5rem;
}

.article-body h2 {
  max-width: 100%;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.16rem + 0.55vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--color-text);
}

.article-body > h2:first-child,
.article-body > section:first-child > h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  max-width: 100%;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.03rem + 0.35vw, 1.25rem);
  line-height: 1.45;
  color: var(--color-text);
}

.article-body p {
  margin-top: 0;
  margin-bottom: 1.15rem;
}

.article-body ul,
.article-body ol {
  margin-top: 0.75rem;
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body li + li {
  margin-top: 0.45rem;
}

.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--color-accent-dark);
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.2em;
}

.prose a:not([class*="btn"]):not([class*="button"]):hover,
.prose a:not([class*="btn"]):not([class*="button"]):focus-visible {
  color: var(--color-accent);
}

.article-body blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel-soft);
  color: var(--color-muted);
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body code {
  border-radius: var(--radius-xs);
  background: var(--color-panel-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.article-body :not(pre) > code {
  padding: 0.12em 0.35em;
}

.article-body pre {
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-soft);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

.article-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.end-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.75rem;
  margin-bottom: 0;
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, var(--color-accent-soft), var(--color-panel)),
    var(--color-panel);
  box-shadow: var(--shadow-card);
}

.end-download-card h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.25rem, 1.13rem + 0.4vw, 1.5rem);
}

.end-download-card p {
  margin: 0;
  color: var(--color-muted);
}

.end-download-card .button-row {
  flex-wrap: wrap;
  justify-content: flex-end;
  margin: 0;
}

#related-posts {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.related-posts__title {
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.16rem + 0.55vw, 1.5rem);
  line-height: 1.4;
  color: var(--color-text);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(300px, 1fr));
  gap: 1rem;
}

.related-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-mini);
}

.related-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
}

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

.related-card h3 a:hover,
.related-card h3 a:focus-visible {
  color: var(--color-accent-dark);
}

.related-card p {
  margin-top: 0.75rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

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

.post-nav__link {
  display: flex;
  min-width: 0;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  box-shadow: var(--shadow-mini);
}

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

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

.post-nav__label {
  margin-bottom: 0.45rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  font-weight: 650;
}

.post-nav__link strong {
  font-size: 0.9375rem;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .blog-toolbar {
    grid-template-columns: 1fr;
    align-items: start;
  }

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

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

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

@media (max-width: 680px) {
  .blog-hero {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .blog-hero h1 {
    font-size: clamp(1.75rem, 1.45rem + 1.5vw, 1.875rem);
  }

  .blog-index-section {
    padding-top: 3.25rem;
    padding-bottom: 4rem;
  }

  .blog-card {
    min-height: 0;
    padding: 1.25rem;
  }

  .article-shell {
    padding-top: 1.25rem;
    padding-bottom: 4rem;
  }

  .article-hero {
    padding-top: 0.25rem;
    padding-bottom: 0.75rem;
  }

  .article-hero + .prose,
  .article-body {
    padding-top: 1.25rem;
  }

  .end-download-card {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .end-download-card .button-row {
    justify-content: flex-start;
  }

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

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