.blog-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-soft);
  background:
    radial-gradient(circle at 50% 0%, var(--color-navy-glow), transparent 58%),
    linear-gradient(180deg, var(--color-bg-deep), var(--color-bg));
}

.blog-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 4rem 4rem;
  content: "";
  mask-image: linear-gradient(to bottom, var(--color-text), transparent);
  pointer-events: none;
}

.blog-hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(4.5rem, 10vw, 8rem);
  text-align: center;
}

.blog-eyebrow,
.section-kicker {
  margin: 0 0 0.85rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-hero h1 {
  max-width: 54rem;
  margin: 0 auto;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-hero-copy {
  max-width: 43rem;
  margin: 1.35rem auto 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-index-section {
  background: var(--color-bg);
}

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

.blog-list-heading h2 {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(1.55rem, 3vw, 2rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-list-note {
  margin: 0;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.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-glass);
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.9rem;
  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-border-bright);
  background: var(--color-glass-hover);
  color: var(--color-text);
  transform: translateY(-1px);
}

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

.blog-filter-button.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
  color: var(--color-accent-light);
  box-shadow: var(--shadow-button);
}

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

.article-card {
  display: flex;
  min-width: 0;
  min-height: 20rem;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 1.8rem);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, var(--color-glass-light), transparent),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.article-card:hover {
  border-color: var(--color-border-bright);
  background-color: var(--color-panel-2);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.7rem;
  flex-wrap: wrap;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.5;
}

.article-meta .tag,
.tag {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.2rem 0.65rem;
  overflow-wrap: anywhere;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-accent-faint);
  color: var(--color-accent-light);
  font-family: var(--font-body);
  font-size: 0.76rem;
}

.article-card h3 {
  margin: 1.2rem 0 0.8rem;
  color: var(--color-text);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-card h3 a {
  color: inherit;
  text-decoration: none;
}

.article-card h3 a:hover {
  color: var(--color-accent-light);
}

.article-card p {
  margin: 0 0 1.4rem;
  color: var(--color-text-muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.article-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.45rem;
  margin-top: auto;
  color: var(--color-accent);
  font-weight: 650;
  text-decoration: none;
}

.article-link:hover {
  color: var(--color-accent-light);
}

.article-link:focus-visible,
.article-card h3 a:focus-visible,
.related-card a:focus-visible,
.post-nav-card:focus-visible {
  border-radius: var(--radius-xs);
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.article-link-arrow {
  font-family: var(--font-mono);
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2.5rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-text-muted);
  text-align: center;
}

.blog-index-promo {
  border-top: 1px solid var(--color-border-soft);
  background: var(--color-bg-deep);
}

.float-cta {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 40;
  box-shadow: var(--shadow-lg);
}

.breadcrumbs {
  max-width: var(--reading-width);
  margin: 1.5rem auto 0;
  padding-inline: var(--gutter);
  color: var(--color-text-dim);
  font-size: 0.86rem;
  line-height: 1.6;
}

.breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.breadcrumbs li:not(:last-child)::after {
  color: var(--color-border-bright);
  content: "/";
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-accent-light);
}

.article-hero {
  width: min(100%, 48rem);
  margin-inline: auto;
  padding: clamp(2.2rem, 6vw, 4.2rem) var(--gutter) 1.8rem;
}

.article-hero .article-meta {
  margin-bottom: 1.1rem;
}

.article-hero h1 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.article-deck {
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body,
.article-reading {
  width: min(100%, 48rem);
  margin-inline: auto;
  padding: 0 var(--gutter) 4rem;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

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

.article-body > .section-compact {
  padding-block: 0;
  overflow-x: visible;
}

.article-body > .section-compact + .section-compact h2 {
  margin-top: 3rem;
}

.article-body h2,
.article-reading h2 {
  margin: 2.7rem 0 1rem;
  color: var(--color-text);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-body h3,
.article-reading h3 {
  margin: 2rem 0 0.8rem;
  color: var(--color-text);
  font-size: clamp(1.12rem, 2.5vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body p,
.article-reading p {
  margin: 0 0 1.25rem;
}

.article-body a,
.article-reading a {
  color: var(--color-accent-light);
  text-underline-offset: 0.2em;
}

.article-reading a.button-primary {
  color: var(--color-bg-deep);
}

.article-reading a.button-secondary {
  color: var(--color-text);
}

.article-body ul,
.article-body ol,
.article-reading ul,
.article-reading ol {
  margin: 0 0 1.4rem;
  padding-left: 1.4rem;
}

.article-body li,
.article-reading li {
  margin-bottom: 0.6rem;
  padding-left: 0.25rem;
}

.article-body blockquote,
.article-reading blockquote {
  margin: 1.8rem 0;
  padding: 1.1rem 1.3rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
  color: var(--color-text);
}

.article-body pre,
.article-reading pre {
  max-width: 100%;
  margin: 1.7rem 0;
  padding: 1.2rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-deep);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.8rem 0;
}

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

.stat-num {
  color: var(--color-accent-light);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  margin-top: 0.35rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.check-list {
  margin: 1.6rem 0;
  padding: 1.2rem 1.2rem 0.55rem;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  padding-left: 0;
}

.verdict {
  margin: 1.8rem 0;
  padding: 1.1rem 1.3rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-faint);
  color: var(--color-text-muted);
}

.verdict strong {
  color: var(--color-text);
}

.article-promo {
  width: min(100%, 48rem);
  margin-inline: auto;
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0%, var(--color-accent-glow), transparent 42%),
    var(--color-panel-2);
  box-shadow: var(--shadow-panel);
}

.promo-brand {
  margin-bottom: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.promo-title {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.promo-copy {
  max-width: 40rem;
  margin: 0.85rem 0 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

#related-posts {
  width: min(100%, 48rem);
  margin: 3.5rem auto 0;
  padding-inline: var(--gutter);
}

.related-heading {
  margin: 0 0 1.2rem;
  color: var(--color-text);
  font-size: clamp(1.3rem, 3vw, 1.55rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  gap: 0.8rem;
}

.related-card {
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.related-card:hover {
  border-color: var(--color-border-bright);
  background: var(--color-panel-2);
}

.related-card h3 {
  margin: 0.8rem 0 0.55rem;
  color: var(--color-text);
  font-size: 1.08rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.related-card h3 a {
  color: inherit;
  text-decoration: none;
}

.related-card h3 a:hover {
  color: var(--color-accent-light);
}

.related-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

#post-nav {
  display: grid;
  width: min(100%, 48rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.5rem auto 4rem;
  padding-inline: var(--gutter);
}

.post-nav-card {
  display: flex;
  min-width: 0;
  min-height: 7.5rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.1rem;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
}

.post-nav-card:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-2);
}

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

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

.post-nav-title {
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

@media (max-width: 48rem) {
  .article-grid {
    grid-template-columns: 1fr;
  }

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

  .blog-list-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

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

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

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

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