:root {
  --blog-reading-width: 56rem;
  --blog-list-width: 74rem;
  --blog-gutter: clamp(1.5rem, 4vw, 2rem);
  --blog-hero-size: clamp(1.85rem, 4vw, 2.6rem);
  --blog-list-title-size: clamp(2rem, 5vw, 3rem);
  --blog-h2-size: clamp(1.3rem, 3vw, 1.6rem);
  --blog-h3-size: clamp(1.1rem, 2.5vw, 1.3rem);
  --blog-body-size: 1rem;
  --blog-small-size: 0.8125rem;
  --blog-meta-size: 0.75rem;
  --blog-stat-size: clamp(1.5rem, 4vw, 2.2rem);
  --blog-leading: 1.9;
  --blog-title-leading: 1.4;
  --blog-tracking: -0.015em;
  --blog-rule-width: 0.25rem;
  --blog-rule-inset: 0.65rem;
  --blog-focus: var(--ink-blue);
  --blog-rule-gradient: linear-gradient(to bottom, var(--accent), var(--accent-dark));
  --blog-surface-gradient: linear-gradient(145deg, var(--bg-panel), var(--bg));
  --blog-promo-gradient: linear-gradient(120deg, var(--ink-deep), var(--ink-blue));
  --blog-hover-surface: color-mix(in srgb, var(--bg-panel-2) 45%, var(--bg-panel));
  --blog-warning-surface: color-mix(in srgb, var(--warn) 10%, var(--bg-panel));
  --blog-success-surface: color-mix(in srgb, var(--success) 10%, var(--bg-panel));
  --blog-transition: 160ms var(--ease-ui);
  --blog-float-shadow: 0 0.75rem 2rem var(--ink-a16);
}

.blog-index,
.blog-article {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

.blog-list-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-list-width) + var(--blog-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
}

.reading-wrap.reading-wrap,
.article-hero,
.blog-hero,
.breadcrumbs:not(.blog-list-wrap),
.promo-block:not(.blog-list-promo),
#related-posts,
#post-nav {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + var(--blog-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
  min-width: 0;
}

.blog-skip {
  position: absolute;
  inset-block-start: 0.5rem;
  inset-inline-start: var(--blog-gutter);
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--text);
  color: var(--white);
  border-radius: var(--radius-s);
  transform: translateY(-200%);
}

.blog-skip:focus {
  transform: translateY(0);
}

.blog-index a:focus-visible,
.blog-index button:focus-visible,
.reading-wrap a:focus-visible,
.article-hero a:focus-visible,
.blog-hero a:focus-visible,
.promo-block a:focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible,
.float-cta:focus-visible {
  outline: 0.1875rem solid var(--blog-focus);
  outline-offset: 0.25rem;
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  padding-top: 0.25rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
  content: "›";
  margin-inline-end: 0.6rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text);
  text-underline-offset: 0.2em;
}

.blog-list-hero,
.article-hero,
.blog-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 5vw, 3rem);
  padding-inline: var(--blog-gutter);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  background: var(--blog-surface-gradient);
  box-shadow: var(--shadow-panel), inset 0 1px 0 var(--glass-edge);
}

.blog-list-hero::before,
.article-hero::before,
.blog-hero::before {
  content: "";
  position: absolute;
  inset-block: 1.25rem;
  inset-inline-start: var(--blog-rule-inset);
  width: var(--blog-rule-width);
  border-radius: var(--radius-pill);
  background: var(--blog-rule-gradient);
  pointer-events: none;
}

.blog-kicker {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.blog-index h1,
.article-hero h1,
.blog-hero h1,
.reading-wrap h1,
.reading-wrap h2,
.reading-wrap h3,
#related-posts h2,
#related-posts h3 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
  overflow-wrap: break-word;
  font-family: var(--font-display);
  font-weight: var(--weight-normal);
  color: var(--text);
}

.article-hero h1,
.blog-hero h1,
.reading-wrap h1 {
  margin-block: 1.15rem;
  font-size: var(--blog-hero-size);
  line-height: var(--blog-title-leading);
}

.blog-index h1 {
  margin: 0 0 1rem;
  font-size: var(--blog-list-title-size);
  line-height: var(--blog-title-leading);
}

.blog-lede,
.article-hero > p,
.blog-hero > p {
  max-width: 100%;
  margin-block: 1rem 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
}

.blog-fact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  color: var(--text-muted);
}

.blog-catalogue {
  padding-block: 2.5rem;
}

.blog-catalogue-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.25rem;
}

.blog-catalogue h2,
#related-posts > h2 {
  margin-block: 0 1rem;
  font-size: var(--blog-h2-size);
  font-weight: var(--weight-normal);
}

.blog-result-status {
  margin: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.25rem;
  margin-block: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.blog-filters button {
  min-height: 2.75rem;
  margin-bottom: -1px;
  padding: 0.65rem 0.1rem;
  border: 0;
  border-bottom: 3px solid var(--transparent);
  border-radius: var(--radius-s);
  background: var(--transparent);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-normal);
  cursor: pointer;
}

.blog-filters button:hover {
  color: var(--text);
  background: var(--ink-a06);
}

.blog-filters button[aria-pressed="true"] {
  border-bottom-color: var(--accent);
  color: var(--text);
}

.blog-post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.article-card {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius-l);
  background: var(--bg-panel);
  box-shadow: var(--shadow-panel);
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

.article-card:hover,
.article-card:focus-within {
  border-top-color: var(--ink-blue);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: var(--blog-meta-size);
  line-height: 1.6;
}

.article-meta > * {
  box-sizing: border-box;
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-panel);
  overflow-wrap: anywhere;
}

.article-meta time {
  font-family: var(--font-mono);
}

.article-meta .chip,
.article-meta .badge,
.article-meta [data-tag] {
  border-color: var(--ink-blue);
  background: var(--ink-blue);
  color: var(--white);
}

.article-card h3 {
  display: block;
  margin-block: 1.25rem 0.8rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3-size);
  font-weight: var(--weight-medium);
  line-height: 1.65;
  letter-spacing: var(--blog-tracking);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

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

.article-card h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-summary {
  margin-block: 0 1.5rem;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.article-read-link {
  align-self: flex-start;
  margin-top: auto;
  padding-block: 0.4rem;
  color: var(--text);
  font-size: var(--blog-small-size);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.article-read-arrow {
  margin-inline-start: 0.6rem;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-l);
  color: var(--text-muted);
  background: var(--bg-panel);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
}

.reading-wrap.reading-wrap {
  margin-top: 0;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
  color: var(--text);
  overflow-wrap: anywhere;
  counter-reset: blog-section;
}

.reading-wrap :where(p, ul, ol, blockquote, figure, pre, table) {
  margin-block: 1.1rem;
}

.reading-wrap h2 {
  margin-block: 2.25rem 1rem;
  font-size: var(--blog-h2-size);
  line-height: 1.6;
  scroll-margin-top: var(--anchor-offset);
}

.reading-wrap > h2:first-child,
.reading-wrap > section:first-child > h2:first-child {
  margin-top: 0.5rem;
}

.reading-wrap h2::before {
  counter-increment: blog-section;
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-inline-end: 0.7rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--bg-panel-2);
  color: var(--ink-blue);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  vertical-align: 0.12em;
  letter-spacing: normal;
}

.reading-wrap h3 {
  margin-block: 1.75rem 0.75rem;
  font-size: var(--blog-h3-size);
  line-height: 1.65;
}

.reading-wrap a {
  color: var(--ink-blue);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

.reading-wrap a:hover {
  text-decoration-thickness: 2px;
}

.reading-wrap :where(ul, ol) {
  padding-inline-start: 1.5rem;
}

.reading-wrap li + li {
  margin-top: 0.5rem;
}

.reading-wrap strong {
  font-weight: var(--weight-strong);
}

.reading-wrap blockquote {
  padding: 1rem 1.5rem;
  border-inline-start: 3px solid var(--ink-blue);
  background: var(--bg-panel);
  color: var(--text-muted);
}

.reading-wrap blockquote > :first-child {
  margin-top: 0;
}

.reading-wrap blockquote > :last-child {
  margin-bottom: 0;
}

.reading-wrap :not(pre) > code {
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--bg-panel-2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  overflow-wrap: anywhere;
}

.reading-wrap pre {
  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  overflow-x: auto;
  padding: 3rem 1.25rem 1.25rem;
  border: 1px solid var(--ink-blue);
  border-radius: var(--radius-l);
  background: var(--ink-deep);
  color: var(--white);
  line-height: 1.8;
  white-space: pre;
}

.reading-wrap pre::before {
  content: "VPN94 / CONFIG";
  position: absolute;
  inset-block-start: 0.6rem;
  inset-inline: 1.25rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--white-a35);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: var(--blog-meta-size);
}

.reading-wrap pre code {
  padding: 0;
  border: 0;
  background: var(--transparent);
  color: inherit;
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.reading-wrap .table-scroll {
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
}

.reading-wrap table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-panel);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.reading-wrap .table-scroll table {
  margin: 0;
}

.reading-wrap :where(th, td) {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
  min-width: 8rem;
}

.reading-wrap thead th {
  background: var(--ink-blue);
  color: var(--white);
  font-weight: var(--weight-medium);
}

.reading-wrap tbody tr:nth-child(even) {
  background: var(--bg);
}

.reading-wrap tbody tr:hover {
  background: var(--blog-hover-surface);
}

.reading-wrap .callout,
.reading-wrap .verdict {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--radius-s);
  background: var(--bg-panel);
  color: var(--text);
}

.reading-wrap .callout {
  padding-inline-start: 3.25rem;
  border-inline-start-color: var(--ink-blue);
}

.reading-wrap .callout::before {
  content: "i";
  position: absolute;
  inset-block-start: 1.2rem;
  inset-inline-start: 1rem;
  display: inline-block;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-round);
  color: var(--ink-blue);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.35rem;
  text-align: center;
}

.reading-wrap .callout:is(.warning, .callout-warning, .is-warning) {
  border-inline-start-color: var(--warn);
  background: var(--blog-warning-surface);
}

.reading-wrap .callout:is(.warning, .callout-warning, .is-warning)::before {
  content: "!";
  color: var(--text);
}

.reading-wrap .callout:is(.success, .callout-success, .is-success) {
  border-inline-start-color: var(--success);
  background: var(--blog-success-surface);
}

.reading-wrap .callout:is(.success, .callout-success, .is-success)::before {
  content: "i";
  color: var(--text);
}

.reading-wrap :is(.callout, .verdict) > :first-child {
  margin-top: 0;
}

.reading-wrap :is(.callout, .verdict) > :last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--ink-blue);
  border-radius: var(--radius-l);
  background: var(--bg-panel);
}

.stat-card:nth-child(even) {
  border-top-color: var(--ridge-near-deep);
  background: var(--bg-panel-2);
}

.stat-num {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--blog-stat-size);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.reading-wrap .check-list {
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.reading-wrap .check-list li {
  margin-block: 0.6rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  background: var(--bg-panel);
}

.promo-block {
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-block: 1.5rem;
  padding-block: 1.75rem;
  padding-inline: var(--blog-gutter);
  border: 1px solid var(--ink-blue);
  border-radius: var(--radius-l);
  background: var(--blog-promo-gradient);
  color: var(--white);
  box-shadow: var(--shadow-panel);
}

.blog-list-promo {
  width: calc(100% - var(--blog-gutter) * 2);
  max-width: var(--blog-list-width);
  margin: 0 auto 3rem;
}

.promo-block strong {
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--blog-h3-size);
  font-weight: var(--weight-medium);
}

.promo-block p {
  margin-block: 0.5rem 0;
  color: var(--white);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.promo-block .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.promo-block .btn-ink {
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--text);
}

.promo-block .btn-ink:hover {
  background: var(--bg-panel-2);
}

.promo-block .btn-soft {
  border: 1px solid var(--white-a60);
  background: var(--transparent);
  color: var(--white);
}

.promo-block .btn-soft:hover {
  background: var(--ink-blue-lift);
}

#related-posts {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
}

#related-posts > h2 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
}

.related-card {
  padding: 1.15rem;
}

.related-card .article-summary {
  margin-bottom: 0;
  font-size: var(--blog-small-size);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 2.5rem;
}

#related-posts[hidden],
#post-nav[hidden] {
  display: none;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius-l);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-top-color: var(--ink-blue);
  transform: translateY(-2px);
}

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

.post-nav-label,
.post-nav-date {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.7;
}

.post-nav-title {
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-medium);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.post-nav-date {
  margin-top: auto;
}

.float-cta {
  position: fixed;
  inset-inline-end: 1.5rem;
  inset-block-end: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  box-sizing: border-box;
  max-width: calc(100vw - 3rem);
  min-height: 3rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--ink-blue);
  border-radius: var(--radius-pill);
  background: var(--text);
  color: var(--white);
  box-shadow: var(--blog-float-shadow);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  line-height: 1.5;
  text-decoration: none;
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
  color: currentColor;
}

.float-cta:hover {
  background: var(--ink-hover);
}

@media (max-width: 1000px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .reading-wrap table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

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

  .post-nav-next {
    grid-column: auto;
  }

  .blog-list-hero,
  .article-hero,
  .blog-hero {
    padding-block: 1.75rem;
    padding-inline: var(--blog-gutter);
  }

  .blog-filters {
    gap: 0.25rem 1rem;
  }

  .blog-catalogue {
    padding-block: 2rem;
  }

  .article-card {
    padding: 1.25rem;
  }

  .promo-block {
    align-items: flex-start;
  }

  .float-cta {
    position: static;
    display: flex;
    width: fit-content;
    max-width: calc(100% - var(--blog-gutter) * 2);
    margin: 1rem var(--blog-gutter) 1.5rem auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav-card,
  .float-cta,
  .blog-skip {
    transition: none;
    animation: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible {
    transform: none;
  }
}