.blog-index,
.article-page {
  background: var(--color-canvas);
  color: var(--color-ink);
}

.blog-list-hero {
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.blog-list-hero-inner {
  max-width: var(--reading-width);
}

.eyebrow,
.section-kicker,
.blog-download-label {
  display: inline-block;
  color: var(--color-brand-strong);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.blog-list-hero h1 {
  max-width: 100%;
  margin: 0.85rem 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.45rem + 2vw, 3rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.blog-list-hero p {
  max-width: 48rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.1875rem);
  line-height: 1.8;
}

.blog-list-section {
  padding-block: 0 var(--section-space);
}

.blog-list-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.blog-list-toolbar h2 {
  margin: 0.5rem 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.3rem + 0.65vw, 2rem);
  line-height: 1.3;
}

.blog-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
}

.blog-filter {
  min-height: 2.5rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  color: var(--color-ink-soft);
  font: 600 0.875rem/1 var(--font-body);
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.blog-filter:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-strong);
  transform: translateY(-1px);
}

.blog-filter:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-brand) 28%, transparent);
  outline-offset: 2px;
}

.blog-filter.is-active {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: var(--color-white-text);
  box-shadow: var(--shadow-button);
}

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

.post-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 1.8rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.post-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-deep);
  transform: translateY(-3px);
}

.post-card:focus-visible,
.related-post-card:focus-visible,
.post-nav-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-brand) 28%, transparent);
  outline-offset: 3px;
}

.post-card-meta,
.related-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  color: var(--color-ink-soft);
  font-size: 0.8125rem;
}

.post-card h3 {
  margin: 1.1rem 0 0.75rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.35vw, 1.4rem);
  line-height: 1.45;
}

.post-card p {
  margin: 0 0 1.25rem;
  color: var(--color-ink-soft);
  line-height: 1.75;
}

.post-card-link,
.related-post-link {
  margin-top: auto;
  color: var(--color-brand-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.blog-empty-state {
  margin: 1.5rem 0 0;
  padding: 2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-ink-soft);
  text-align: center;
}

.article-breadcrumb-wrap,
.breadcrumb-section {
  padding-top: 2rem;
  padding-bottom: 0;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  min-width: 0;
  margin-top: 1.2rem;
  margin-bottom: 1.25rem;
  overflow: hidden;
  color: var(--color-ink-soft);
  font-size: 0.8125rem;
  line-height: 1.4;
  white-space: nowrap;
}

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

.blog-breadcrumb a:hover,
nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--color-brand-strong);
  opacity: 1;
}

.blog-breadcrumb .separator,
nav.breadcrumb .separator,
nav.breadcrumbs .separator {
  flex: 0 0 auto;
  color: var(--color-ink-soft);
  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-ink-soft);
  text-overflow: ellipsis;
}

.article-hero {
  padding-block: 0 2.25rem;
}

.wrap > .article-hero,
.article-hero .wrap,
.article-body,
.article-footer-content {
  max-width: var(--reading-width);
  margin-inline: auto;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: center;
  margin-bottom: 0.875rem;
  color: var(--color-ink-soft);
  font-size: 0.8125rem;
}

.article-hero h1 {
  max-width: 100%;
  margin-block: 0.875rem 0.75rem;
  color: var(--color-ink);
  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;
}

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

.article-content {
  padding-block: 0 3rem;
}

.prose {
  width: 100%;
  max-width: var(--reading-width);
  margin-inline: auto;
  color: var(--color-ink);
  font-size: 1rem;
  line-height: 1.85;
}

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

.prose h2 {
  margin: 2.5rem 0 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.18rem + 0.45vw, 1.5rem);
  line-height: 1.4;
}

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

.prose h3 {
  margin: 1.8rem 0 0.8rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.02rem + 0.3vw, 1.25rem);
  line-height: 1.45;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose pre,
.prose .table-wrap,
.prose > .data-table {
  margin-block: 0 1.25rem;
}

.prose section {
  margin: 0;
  padding-block: 0 2rem;
}

.prose section + section {
  padding-top: 0;
}

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

.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--color-brand-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

.prose blockquote {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-brand);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  background: var(--color-panel);
  color: var(--color-ink-soft);
}

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

.prose :not(pre) > code {
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel);
  color: var(--color-brand-strong);
}

.prose pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-ink);
  line-height: 1.65;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-card);
}

.prose .data-table {
  width: 100%;
  border-collapse: collapse;
}

.prose .data-table th,
.prose .data-table td {
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.prose .data-table th {
  background: var(--color-panel);
  color: var(--color-ink);
}

.article-download,
.dl-card {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel-warm);
  box-shadow: var(--shadow-soft);
}

.article-download h2,
.dl-card h2 {
  margin: 0 0 0.5rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.12rem + 0.5vw, 1.55rem);
  line-height: 1.4;
}

.article-download p,
.dl-card p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.article-download .button-row,
.dl-card .button-row {
  flex: 0 0 auto;
}

.article-related {
  max-width: var(--reading-width);
  margin-inline: auto;
  padding-block: 0 3rem;
}

#related-posts {
  margin-top: 2.5rem;
}

.related-posts-title {
  margin: 0 0 1.25rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.2rem + 0.45vw, 1.6rem);
  line-height: 1.4;
}

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

.related-post-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease;
}

.related-post-card:hover {
  border-color: var(--color-brand);
  transform: translateY(-2px);
}

.related-post-card h3 {
  margin: 0.9rem 0 0.65rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
}

.related-post-card p {
  display: -webkit-box;
  margin: 0 0 1rem;
  overflow: hidden;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

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

#post-nav.has-single-link {
  grid-template-columns: minmax(0, 1fr);
}

.post-nav-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-ink);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background-color 160ms ease;
}

.post-nav-card:hover {
  border-color: var(--color-brand);
  background: var(--color-panel-warm);
}

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

.post-nav-label {
  color: var(--color-brand-strong);
  font-size: 0.8125rem;
  font-weight: 700;
}

.post-nav-card strong {
  color: var(--color-ink);
  font-size: 0.95rem;
  line-height: 1.55;
}

.blog-download-backdrop {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: color-mix(in srgb, var(--color-ink) 48%, transparent);
  opacity: 0;
  transition: opacity 180ms ease;
}

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

.blog-download-backdrop.is-visible {
  opacity: 1;
}

.blog-download-dialog {
  position: relative;
  width: min(100%, 32rem);
  padding: clamp(1.5rem, 5vw, 2.25rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-canvas);
  box-shadow: var(--shadow-deep);
  color: var(--color-ink);
  opacity: 0;
  transform: translateY(0.75rem) scale(0.98);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.blog-download-backdrop.is-visible .blog-download-dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.blog-download-dialog h2 {
  max-width: 100%;
  margin: 0.7rem 2rem 0.65rem 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.15rem + 0.7vw, 1.75rem);
  line-height: 1.4;
}

.blog-download-dialog p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.blog-download-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  font: 500 1.45rem/1 var(--font-body);
  cursor: pointer;
}

.blog-download-close:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-strong);
}

.blog-download-close:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-brand) 28%, transparent);
  outline-offset: 2px;
}

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

@media (max-width: 820px) {
  .blog-list-toolbar {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

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

  .blog-post-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .related-post-grid {
    grid-template-columns: minmax(300px, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-list-hero {
    padding-block: 2.75rem 2rem;
  }

  .blog-list-hero h1 {
    font-size: clamp(1.75rem, 1.55rem + 1vw, 1.875rem);
  }

  .blog-list-toolbar {
    padding: 1.25rem;
  }

  .blog-filter-list {
    gap: 0.5rem;
  }

  .blog-filter {
    padding-inline: 0.8rem;
  }

  .article-breadcrumb-wrap,
  .breadcrumb-section {
    padding-top: 1.25rem;
  }

  .article-download,
  .dl-card {
    align-items: stretch;
    flex-direction: column;
  }

  .article-download .button-row,
  .dl-card .button-row {
    width: 100%;
  }

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

  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .blog-download-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter,
  .post-card,
  .related-post-card,
  .post-nav-card,
  .blog-download-backdrop,
  .blog-download-dialog {
    transition: none;
  }
}