:root {
  --color-bg: #06343B;
  --color-panel: #0A434C;
  --color-panel-raised: #0F525C;
  --color-border: #1D5F68;
  --color-accent: #FF5A2E;
  --color-accent-dark: #D9431C;
  --color-text: #F1F8F7;
  --color-text-muted: #A3C4C2;
  --color-success: #35D49A;
  --color-warning: #FFC24B;
  --color-error: #FF6B6B;
  --color-paper: #F8FBFA;
  --color-paper-soft: #EEF5F3;
  --color-paper-deep: #DCEAE7;
  --color-ink: #102F33;
  --color-ink-muted: #527175;
  --color-transparent: transparent;

  --font-display: "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --radius-xl: 2rem;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-sm: 0.65rem;
  --radius-pill: 999rem;

  --layout-max: 75rem;
  --content-max: 56rem;
  --header-height: 4.75rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --section-space: clamp(3.5rem, 7vw, 6rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --shadow-paper: 0 1.5rem 4rem color-mix(in srgb, var(--color-bg) 36%, var(--color-transparent));
  --shadow-card: 0 0.75rem 2rem color-mix(in srgb, var(--color-bg) 24%, var(--color-transparent));
  --transition-fast: 180ms ease;
  --transition-base: 260ms ease;
}

.no-break {
  white-space: nowrap;
}

.blog-list-page {
  min-height: calc(100vh - var(--header-height));
  padding: var(--space-xl) var(--gutter) var(--section-space);
  background:
    radial-gradient(
      circle at 88% 4%,
      color-mix(in srgb, var(--color-accent) 24%, var(--color-transparent)),
      var(--color-transparent) 25rem
    ),
    radial-gradient(
      circle,
      color-mix(in srgb, var(--color-text) 11%, var(--color-transparent)) 0.075rem,
      var(--color-transparent) 0.085rem
    ),
    var(--color-bg);
  background-size: auto, 1.4rem 1.4rem, auto;
}

.blog-index-hero,
.blog-catalog,
.breadcrumbs,
.article-hero,
.article-body,
.blog-article,
.promo-block,
#related-posts,
#post-nav {
  width: min(100%, var(--content-max));
  margin-inline: auto;
}

.blog-index-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: var(--space-lg);
  padding: clamp(2.25rem, 7vw, 4.5rem) clamp(1.5rem, 6vw, 4.5rem);
  border-radius: var(--radius-xl);
  background: var(--color-paper);
  color: var(--color-ink);
  box-shadow:
    0.6rem 0.7rem 0 var(--color-paper-deep),
    var(--shadow-paper);
}

.blog-index-hero::before,
.article-hero::before {
  content: "35";
  position: absolute;
  z-index: -1;
  top: var(--space-lg);
  right: var(--space-lg);
  display: grid;
  width: clamp(5.25rem, 12vw, 7.5rem);
  aspect-ratio: 1;
  place-items: center;
  border: 0.16rem solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent);
  box-shadow:
    inset 0 0 0 0.35rem var(--color-paper),
    inset 0 0 0 0.47rem var(--color-accent);
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.82;
  transform: rotate(-11deg);
}

.blog-index-hero::after,
.article-hero::after {
  content: "VPN";
  position: absolute;
  z-index: -1;
  top: clamp(5.1rem, 12vw, 7.2rem);
  right: clamp(2.9rem, 7vw, 4.8rem);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  transform: rotate(-11deg);
}

.blog-index-hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  padding-right: clamp(0rem, 8vw, 5rem);
}

.blog-kicker,
.section-eyebrow,
.promo-brand {
  margin: 0 0 var(--space-md);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blog-index-hero h1 {
  max-width: 38rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.018em;
  text-wrap: pretty;
}

.blog-index-hero p {
  max-width: 39rem;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-muted);
  font-size: 1rem;
  line-height: 1.85;
}

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

.blog-list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.blog-list-heading h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-list-heading .section-eyebrow {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.blog-list-cta {
  flex: 0 0 auto;
}

.blog-filters {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  margin-bottom: var(--space-md);
  padding: var(--space-xs);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-panel) 88%, var(--color-transparent));
  scrollbar-width: thin;
}

.blog-filter {
  flex: 0 0 auto;
  min-height: 2.6rem;
  padding: var(--space-sm) var(--space-lg);
  border: 0.0625rem solid var(--color-transparent);
  border-radius: var(--radius-pill);
  background: var(--color-transparent);
  color: var(--color-text-muted);
  font: 700 0.9rem/1 var(--font-body);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

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

.blog-filter:focus-visible {
  outline: 0.18rem solid var(--color-warning);
  outline-offset: 0.12rem;
}

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

.blog-list-status {
  min-height: 1.5rem;
  margin: var(--space-md) 0 var(--space-lg);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.blog-post-list {
  display: grid;
  gap: var(--space-lg);
}

.article-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base);
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-lg);
  right: var(--space-lg);
  height: 0.2rem;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.article-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 68%, var(--color-border));
  background: var(--color-panel-raised);
  transform: translateY(-0.22rem);
}

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

.article-meta,
.article-hero-meta,
.related-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-meta .tag,
.article-hero-meta .tag,
.related-card-meta .tag {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  min-height: 1.8rem;
  padding: var(--space-2xs) var(--space-sm);
  overflow-wrap: anywhere;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-paper);
  font-weight: 800;
}

.article-card h3 {
  margin: var(--space-lg) 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: -0.012em;
  text-wrap: pretty;
}

.article-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.article-card-link,
.related-card-link {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-lg);
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
}

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

.article-link-arrow {
  transition: transform var(--transition-fast);
}

.article-card-link:hover .article-link-arrow {
  transform: translateX(var(--space-2xs));
}

.blog-empty {
  padding: var(--space-xl);
  border: 0.0625rem dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

/* Article shell */

.breadcrumbs {
  margin-top: var(--space-xl);
  padding: var(--space-sm) 0;
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

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

.article-hero {
  position: relative;
  isolation: isolate;
  width: min(calc(100% + 2 * var(--gutter)), calc(var(--content-max) + 8rem));
  overflow: hidden;
  margin-top: var(--space-lg);
  margin-inline: max(calc(var(--gutter) * -1), calc((100% - var(--content-max) - 8rem) / 2));
  padding: clamp(2rem, 6vw, 3.75rem) clamp(1.5rem, 6vw, 4rem);
  border-radius: var(--radius-xl);
  background: var(--color-paper);
  color: var(--color-ink);
  box-shadow:
    0.5rem 0.55rem 0 var(--color-paper-deep),
    var(--shadow-paper);
}

.article-hero-meta {
  position: relative;
  z-index: 1;
  max-width: calc(100% - 7rem);
  color: var(--color-ink-muted);
}

.article-hero-meta time,
.article-read-time {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: var(--space-2xs) var(--space-sm);
  border: 0.0625rem solid var(--color-paper-deep);
  border-radius: var(--radius-pill);
  background: var(--color-paper-soft);
}

.article-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 44rem;
  margin: var(--space-lg) 0 0;
  padding-right: clamp(0rem, 8vw, 4rem);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.018em;
  text-wrap: pretty;
}

.article-hero-summary {
  position: relative;
  z-index: 1;
  max-width: 43rem;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.article-body,
.blog-article,
article.prose {
  counter-reset: article-section;
  margin-inline: auto;
  padding-top: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.86;
}

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

.article-body p,
.blog-article p,
article.prose p {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.86;
}

.article-body h2,
.blog-article h2,
article.prose h2 {
  counter-increment: article-section;
  margin: clamp(2.75rem, 7vw, 4.5rem) 0 var(--space-lg);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.012em;
  text-wrap: pretty;
}

.article-body h2::before,
.blog-article h2::before,
article.prose h2::before {
  content: counter(article-section, decimal-leading-zero) " / ";
  display: inline;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72em;
  letter-spacing: 0.04em;
}

.article-body h3,
.blog-article h3,
article.prose h3 {
  margin: var(--space-2xl) 0 var(--space-md);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 3vw, 1.3rem);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.008em;
  text-wrap: pretty;
}

.article-body ul,
.article-body ol,
.blog-article ul,
.blog-article ol,
article.prose ul,
article.prose ol {
  margin: 0 0 var(--space-xl);
  padding-left: 1.4rem;
  color: var(--color-text-muted);
}

.article-body li,
.blog-article li,
article.prose li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}

.article-body a,
.blog-article a,
article.prose a {
  color: var(--color-accent);
  text-decoration-thickness: 0.08rem;
  text-underline-offset: 0.2rem;
}

.article-body blockquote,
.blog-article blockquote,
article.prose blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 0.3rem solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-panel);
  color: var(--color-text);
  font-weight: 650;
}

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

.article-body hr,
.blog-article hr,
article.prose hr {
  margin: var(--space-3xl) 0;
  border: 0;
  border-top: 0.0625rem dashed var(--color-border);
}

/* Rich article components */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.stat-card {
  position: relative;
  overflow: hidden;
  min-height: 8.5rem;
  padding: var(--space-lg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 0.25rem;
  background: var(--color-accent);
}

.stat-card:nth-child(even) {
  background: color-mix(in srgb, var(--color-panel-raised) 84%, var(--color-bg));
}

.stat-card:nth-child(even)::before {
  background: var(--color-success);
}

.stat-card:nth-child(3n)::before {
  background: var(--color-warning);
}

.stat-num {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
}

.stat-label {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.check-list {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
  padding: var(--space-sm);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-panel-raised) 76%, var(--color-panel));
  color: var(--color-text);
  line-height: 1.75;
}

.verdict {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 0.35rem solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-panel));
  color: var(--color-text);
  line-height: 1.8;
}

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

.callout {
  position: relative;
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl) var(--space-lg) 4rem;
  border-left: 0.3rem solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-panel));
  color: var(--color-text);
  line-height: 1.8;
}

.callout::before {
  content: "i";
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  display: grid;
  width: 1.6rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
}

.callout strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 12%, var(--color-panel));
}

.callout.warning::before {
  content: "!";
  background: var(--color-warning);
  color: var(--color-ink);
}

.callout.success {
  border-left-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 12%, var(--color-panel));
}

.callout.success::before {
  content: "✓";
  background: var(--color-success);
  color: var(--color-ink);
}

.article-body pre,
.blog-article pre,
article.prose pre {
  position: relative;
  overflow-x: auto;
  margin: var(--space-xl) 0;
  padding: 3.25rem var(--space-lg) var(--space-lg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle, var(--color-error) 0.25rem, var(--color-transparent) 0.28rem) 1.1rem 1.1rem / 0.7rem 0.7rem no-repeat,
    radial-gradient(circle, var(--color-warning) 0.25rem, var(--color-transparent) 0.28rem) 2.1rem 1.1rem / 0.7rem 0.7rem no-repeat,
    radial-gradient(circle, var(--color-success) 0.25rem, var(--color-transparent) 0.28rem) 3.1rem 1.1rem / 0.7rem 0.7rem no-repeat,
    color-mix(in srgb, var(--color-bg) 88%, var(--color-ink));
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.article-body pre::after,
.blog-article pre::after,
article.prose pre::after {
  content: "TERMINAL";
  position: absolute;
  top: 1rem;
  right: var(--space-lg);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.article-body pre code,
.blog-article pre code,
article.prose pre code {
  padding: 0;
  background: var(--color-transparent);
  color: inherit;
  font: 0.88rem/1.75 var(--font-mono);
}

.article-body :not(pre) > code,
.blog-article :not(pre) > code,
article.prose :not(pre) > code {
  padding: 0.15rem 0.38rem;
  border-radius: var(--radius-sm);
  background: var(--color-panel-raised);
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin: var(--space-xl) 0;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
}

.article-body table,
.blog-article table,
article.prose table,
.data-table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.article-body th,
.blog-article th,
article.prose th,
.data-table th {
  padding: var(--space-md);
  border-bottom: 0.0625rem solid var(--color-border);
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-weight: 800;
  text-align: left;
  white-space: nowrap;
}

.article-body td,
.blog-article td,
article.prose td,
.data-table td {
  padding: var(--space-md);
  border-bottom: 0.0625rem solid var(--color-border);
  vertical-align: top;
}

.article-body tbody tr:nth-child(even),
.blog-article tbody tr:nth-child(even),
article.prose tbody tr:nth-child(even),
.data-table tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--color-panel-raised) 54%, var(--color-panel));
}

.article-body tbody tr:hover,
.blog-article tbody tr:hover,
article.prose tbody tr:hover,
.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-panel-raised));
}

/* End-of-article conversion */

.promo-block {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-xl);
  align-items: center;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding: clamp(1.75rem, 5vw, 3rem);
  border: 0.0625rem solid color-mix(in srgb, var(--color-accent) 68%, var(--color-border));
  border-radius: var(--radius-xl);
  background:
    linear-gradient(
      135deg,
      var(--color-accent-dark),
      var(--color-accent)
    );
  color: var(--color-paper);
  box-shadow: var(--shadow-paper);
}

.promo-block::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 5rem;
  aspect-ratio: 1;
  border: 0.12rem solid color-mix(in srgb, var(--color-paper) 60%, var(--color-transparent));
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.3rem color-mix(in srgb, var(--color-paper) 18%, var(--color-transparent));
}

.promo-block .promo-brand {
  color: var(--color-paper);
  opacity: 0.86;
}

.promo-block h2 {
  margin: 0 0 var(--space-sm);
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1.3;
  letter-spacing: -0.012em;
  text-wrap: pretty;
}

.promo-block p {
  max-width: 38rem;
  margin: 0;
  color: var(--color-paper);
  line-height: 1.75;
}

.promo-block .btn-primary {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-accent-dark);
  box-shadow: none;
}

.promo-block .btn-primary:hover {
  border-color: var(--color-paper-soft);
  background: var(--color-paper-soft);
  color: var(--color-accent-dark);
}

.promo-block .btn-secondary {
  border-color: var(--color-paper);
  background: var(--color-transparent);
  color: var(--color-paper);
}

/* Related posts and post navigation */

#related-posts {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.related-title {
  margin: 0 0 var(--space-xl);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  line-height: 1.35;
  letter-spacing: -0.012em;
  text-wrap: pretty;
}

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

.related-card {
  position: relative;
  padding: var(--space-lg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    background-color var(--transition-base);
}

.related-card::before {
  content: "";
  position: absolute;
  inset: 0 var(--space-lg) auto;
  height: 0.18rem;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.related-card:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  transform: translateY(-0.2rem);
}

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

.related-card h3 {
  margin: var(--space-md) 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.55;
  letter-spacing: -0.006em;
  text-wrap: pretty;
}

.related-card p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.72;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.related-card-link {
  margin-top: var(--space-md);
  font-size: 0.88rem;
}

#post-nav {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

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

.post-nav-card {
  position: relative;
  display: block;
  min-height: 8rem;
  padding: var(--space-lg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    background-color var(--transition-base);
}

.post-nav-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-lg);
  right: var(--space-lg);
  height: 0.18rem;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
  transform: translateY(-0.18rem);
}

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

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

.post-nav-card.is-next:only-child {
  grid-column: 2;
}

.post-nav-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.post-nav-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.6;
}

/* Search landing page floating action */

.float-cta {
  position: fixed;
  z-index: 40;
  right: max(var(--gutter), env(safe-area-inset-right));
  bottom: max(var(--gutter), env(safe-area-inset-bottom));
  display: inline-flex;
  gap: var(--space-sm);
  align-items: center;
  max-width: min(22rem, calc(100vw - 2 * var(--gutter)));
  min-height: 3.25rem;
  padding: var(--space-sm) var(--space-lg);
  border: 0.0625rem solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-paper);
  box-shadow: var(--shadow-paper);
  font-weight: 800;
  text-decoration: none;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

.float-cta:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
  color: var(--color-paper);
  transform: translateY(-0.16rem);
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
}

/* Responsive safeguards */

@media (max-width: 860px) {
  .article-body table,
  .blog-article table,
  article.prose table,
  .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

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

@media (max-width: 700px) {
  .blog-list-page {
    padding-top: var(--space-md);
  }

  .blog-index-hero,
  .article-hero {
    border-radius: var(--radius-lg);
  }

  .article-hero {
    width: calc(100% + 2 * var(--gutter));
    margin-inline: calc(var(--gutter) * -1);
  }

  .blog-index-hero::before,
  .article-hero::before {
    top: var(--space-md);
    right: var(--space-md);
    width: 4.6rem;
    opacity: 0.48;
  }

  .blog-index-hero::after,
  .article-hero::after {
    top: 4.5rem;
    right: 2.25rem;
    opacity: 0.48;
  }

  .blog-index-hero-content {
    padding-right: 0;
  }

  .blog-index-hero h1,
  .article-hero h1 {
    padding-right: 0;
  }

  .article-hero-meta {
    max-width: calc(100% - 4rem);
  }

  .blog-list-heading {
    display: block;
  }

  .blog-list-cta {
    margin-top: var(--space-lg);
  }

  .blog-filters {
    margin-inline: calc(var(--space-xs) * -1);
    border-radius: var(--radius-md);
  }

  .promo-block {
    grid-template-columns: 1fr;
  }

  .promo-block .btn-primary,
  .promo-block .btn-secondary {
    width: 100%;
    justify-content: center;
  }

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

  .post-nav-card.is-next,
  .post-nav-card.is-next:only-child {
    grid-column: 1;
    text-align: left;
  }

  .float-cta {
    right: var(--space-md);
    bottom: max(var(--space-md), env(safe-area-inset-bottom));
    max-width: calc(100vw - 2 * var(--space-md));
    min-height: 3rem;
    padding-inline: var(--space-md);
    font-size: 0.9rem;
  }
}

@media (max-width: 430px) {
  .blog-index-hero,
  .article-hero {
    padding-inline: var(--space-lg);
  }

  .article-card {
    padding-inline: var(--space-lg);
  }

  .article-hero-meta {
    max-width: 100%;
    padding-right: 3.5rem;
  }

  .callout {
    padding: 3.75rem var(--space-lg) var(--space-lg);
  }

  .callout::before {
    top: var(--space-lg);
    left: var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .article-card::before,
  .article-card-link,
  .article-link-arrow,
  .related-card,
  .related-card::before,
  .post-nav-card,
  .post-nav-card::before,
  .float-cta,
  .blog-filter {
    scroll-behavior: auto;
    transition: none;
  }

  .article-card:hover,
  .related-card:hover,
  .post-nav-card:hover,
  .float-cta:hover {
    transform: none;
  }
}