:root {
  --blog-overlay: rgb(12 8 25 / 82%);
  --blog-panel-glass: rgb(42 32 73 / 92%);
  --blog-panel-soft: rgb(55 42 95 / 64%);
  --blog-border-soft: rgb(167 155 203 / 24%);
  --blog-muted-soft: rgb(167 155 203 / 62%);
  --blog-separator: rgb(167 155 203 / 35%);
  --blog-accent-soft: rgb(158 107 255 / 16%);
  --blog-pink-soft: rgb(255 78 168 / 14%);
  --blog-success-soft: rgb(168 232 48 / 12%);
  --blog-modal-duration: 180ms;
}

.blog-index-hero {
  position: relative;
  overflow-x: clip;
  padding-block: clamp(4.5rem, 9vw, 7.5rem) clamp(3.5rem, 7vw, 6rem);
}

.blog-index-hero::before {
  position: absolute;
  inset: 8% 10% auto;
  z-index: -1;
  height: 72%;
  border-radius: var(--radius-pill);
  background:
    radial-gradient(circle at 30% 40%, var(--blog-pink-soft), transparent 38%),
    radial-gradient(circle at 72% 46%, var(--blog-success-soft), transparent 34%),
    radial-gradient(circle at 50% 70%, var(--blog-accent-soft), transparent 46%);
  content: "";
  filter: blur(2.75rem);
  pointer-events: none;
}

.blog-index-hero__inner {
  text-align: center;
}

.blog-index-hero h1 {
  max-width: 18ch;
  margin: 1rem auto 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.2vw, 3rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.blog-index-hero p {
  max-width: 46rem;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.75;
}

.blog-index-hero .chip-row {
  justify-content: center;
  margin-top: 1.75rem;
}

.blog-list-section {
  padding-block: 1rem var(--section-space);
}

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

.blog-list-head h2 {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.15;
}

.blog-list-head p {
  max-width: 28rem;
  margin: 0;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  padding: 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.blog-filter {
  min-height: 2.5rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  font: 700 0.875rem/1 var(--font-body);
  cursor: pointer;
  transition:
    color var(--blog-modal-duration) ease,
    background-color var(--blog-modal-duration) ease,
    border-color var(--blog-modal-duration) ease;
}

.blog-filter:hover {
  border-color: var(--color-border);
  color: var(--color-text);
}

.blog-filter:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 2px;
}

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

.blog-result-status {
  min-height: 1.4rem;
  margin: 1rem 0;
  color: var(--color-text-muted);
  font: 500 0.8125rem/1.5 var(--font-mono);
}

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

.post-card {
  position: relative;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--blog-modal-duration) ease,
    border-color var(--blog-modal-duration) ease,
    background-color var(--blog-modal-duration) ease;
}

.post-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  background: var(--edge-spectrum);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-modal-duration) ease;
}

.post-card:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  transform: translateY(-3px);
}

.post-card:hover::before {
  opacity: 1;
}

.post-card__meta,
.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text-muted);
  font: 500 0.8125rem/1.4 var(--font-mono);
}

.post-card h3 {
  margin: 1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.45;
}

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

.post-card h3 a:hover,
.related-card h3 a:hover {
  color: var(--color-success);
}

.post-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.post-card__more {
  display: inline-flex;
  margin-top: 1.25rem;
  color: var(--color-success);
  font-weight: 750;
  text-decoration: none;
}

.post-card__more:hover {
  color: var(--color-text);
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

.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(--blog-muted-soft);
  font: 500 0.8125rem/1.5 var(--font-body);
  white-space: nowrap;
}

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

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

.blog-breadcrumb .separator,
.blog-breadcrumb [aria-hidden="true"],
nav.breadcrumb .separator,
nav.breadcrumb [aria-hidden="true"],
nav.breadcrumbs .separator,
nav.breadcrumbs [aria-hidden="true"] {
  flex: 0 0 auto;
  color: var(--blog-separator);
}

.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-text-muted);
  text-overflow: ellipsis;
}

.article-breadcrumb-section,
.article-page .breadcrumb-section {
  padding-block: 0.1rem 0;
}

.article-page {
  overflow-x: clip;
}

.article-hero {
  padding-block: 0 0.75rem;
}

.article-hero__meta,
.article-meta,
.article-hero > .post-card__meta,
.article-hero > .chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.875rem;
  color: var(--color-text-muted);
  font: 500 0.8125rem/1.5 var(--font-mono);
}

.article-hero h1,
.article-page h1 {
  max-width: 100%;
  margin-block: 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 850;
  line-height: 1.32;
  letter-spacing: -0.02em;
}

.article-lead,
.article-hero__lead {
  max-width: var(--reading-max);
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  line-height: 1.7;
}

.article-body,
.prose {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.82;
}

.article-body > section,
.prose > section {
  padding-block: 0 2rem;
}

.article-body > section + section,
.prose > section + section {
  padding-top: 1rem;
}

.article-body h2,
.prose h2 {
  margin: 2.5rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.05rem + 0.8vw, 1.5rem);
  line-height: 1.35;
}

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

.prose > .article-hero + h2 {
  margin-top: 1.25rem;
}

.article-body h3,
.prose h3 {
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1rem + 0.45vw, 1.25rem);
  line-height: 1.4;
}

.article-body p,
.prose p {
  margin: 0 0 1.15rem;
}

.article-body ul,
.article-body ol,
.prose ul,
.prose ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

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

.article-body a:not([class*="btn"]):not([class*="button"]),
.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--color-success);
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.18em;
}

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

.article-body code,
.prose code {
  color: var(--color-success);
  font-family: var(--font-mono);
}

.article-body pre,
.prose pre {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.article-body > table,
.prose > table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-body pre code,
.prose pre code {
  display: block;
  min-width: max-content;
  padding: 1.15rem;
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.7;
}

.article-body blockquote,
.prose blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-pink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--blog-pink-soft);
  color: var(--color-text);
}

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

.article-download,
.dl-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  margin-block: 2.5rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-panel-raised);
  box-shadow: var(--shadow-deep);
}

.article-download h2,
.dl-card h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
}

.article-download p,
.dl-card p {
  margin: 0;
  color: var(--color-text-muted);
}

.article-download__actions,
.dl-card__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

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

.related-posts__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.related-posts__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-card);
}

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

.related-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.7;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 2rem 3rem;
}

.post-nav__card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.2rem;
  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-card);
}

.post-nav__card:hover {
  border-color: var(--color-success);
  background: var(--color-panel-raised);
}

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

.post-nav__label {
  color: var(--color-success);
  font: 700 0.75rem/1.4 var(--font-mono);
}

.post-nav__title {
  overflow-wrap: anywhere;
  font-size: 0.95rem;
  line-height: 1.55;
}

.has-blog-modal {
  overflow: hidden;
}

.blog-download-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: var(--blog-overlay);
  opacity: 0;
  transition: opacity var(--blog-modal-duration) ease;
}

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

.blog-download-overlay.is-open {
  opacity: 1;
}

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

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

.blog-download-dialog h2 {
  margin: 0.65rem 2.5rem 0.65rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
}

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

.blog-download-dialog__close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  color: var(--color-text);
  font: 400 1.5rem/1 var(--font-body);
  cursor: pointer;
}

.blog-download-dialog__close:hover {
  border-color: var(--color-pink);
  color: var(--color-pink);
}

.blog-download-dialog__close:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 2px;
}

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

@media (max-width: 760px) {
  .blog-index-hero {
    padding-block: 3.5rem 3rem;
  }

  .blog-index-hero h1 {
    max-width: 100%;
  }

  .blog-list-head {
    align-items: start;
    flex-direction: column;
  }

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

  .article-download,
  .dl-card {
    grid-template-columns: 1fr;
  }

  .article-download__actions,
  .dl-card__actions {
    justify-content: flex-start;
  }

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

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

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

@media (max-width: 480px) {
  .blog-index-hero h1 {
    font-size: clamp(1.625rem, 7.7vw, 1.875rem);
  }

  .blog-filters {
    padding: 0.5rem;
  }

  .blog-filter {
    padding-inline: 0.75rem;
  }

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

  .article-download__actions .btn,
  .dl-card__actions .btn,
  .blog-download-dialog__actions .btn {
    flex: 1 1 auto;
  }
}

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