:root {
  --blog-reading: 56rem;
  --blog-gutter: 1.5rem;
  --blog-rule: 1px;
  --blog-leading: 1.9;
  --blog-title-weight: 900;
  --blog-heading-weight: 750;
  --blog-title-tracking: -0.015em;
  --blog-band-bg: var(--bg-panel-2);
  --blog-band-line: var(--border);
  --blog-accent-wash: color-mix(in srgb, var(--accent) 8%, var(--bg-panel));
  --blog-success-wash: color-mix(in srgb, var(--success) 8%, var(--bg-panel));
  --blog-warn-wash: color-mix(in srgb, var(--warn) 10%, var(--bg-panel));
  --blog-hover: color-mix(in srgb, var(--accent) 6%, var(--bg-panel));
  --blog-trace-line: color-mix(in srgb, var(--accent) 4%, var(--clear));
}

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

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

.reading-wrap .reading-wrap,
.reading-wrap .breadcrumbs {
  width: 100%;
  max-width: 100%;
}

.blog-index h1,
.blog-index h2,
.blog-index h3,
.article-hero h1,
.prose h1,
.prose h2,
.prose h3,
.article-body h1,
.article-body h2,
.article-body h3,
.blog-article h1,
.blog-article h2,
.blog-article h3,
[data-blog-body] h1,
[data-blog-body] h2,
[data-blog-body] h3,
#related-posts h2,
#related-posts h3 {
  display: block;
  text-wrap: pretty;
  overflow-wrap: break-word;
  letter-spacing: var(--blog-title-tracking);
  font-family: var(--font-display);
  color: var(--text);
}

.blog-skip {
  position: absolute;
  inset-inline-start: var(--blog-gutter);
  top: -6rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--on-ink);
}

.blog-skip:focus {
  top: 1rem;
}

.blog-band {
  background: var(--blog-band-bg);
  border-block: var(--blog-rule) solid var(--blog-band-line);
}

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

.blog-kicker {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font: 0.78rem/1.5 var(--font-mono);
  letter-spacing: 0.08em;
}

.blog-kicker::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-inline-end: 0.65rem;
  border-radius: var(--r-round);
  background: var(--accent);
  vertical-align: middle;
}

.blog-list-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: var(--blog-title-weight);
  line-height: 1.3;
}

.blog-list-hero > p:last-child {
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.blog-list-content {
  padding-block: 2rem 3rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-filters button {
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: var(--blog-rule) solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  color: var(--text-muted);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--duration), background-color var(--duration), color var(--duration);
}

.blog-filters button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

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

.blog-filter-status {
  margin-block: 1rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

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

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

.article-card__meta,
.article-meta,
.article-hero__meta,
.blog-meta {
  display: flex;
  justify-content: flex-start;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

.article-card__meta time,
.article-meta time,
.article-hero__meta time,
.blog-meta time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.article-card h2,
.article-card h3 {
  margin: 0.85rem 0 0.75rem;
  font-size: 1.2rem;
  line-height: 1.6;
  font-weight: var(--blog-heading-weight);
}

.article-card h2 a,
.article-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-card h2 a:hover,
.article-card h3 a:hover {
  color: var(--accent-dark);
}

.article-card > p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.article-card__link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: var(--blog-heading-weight);
  text-decoration: none;
}

.article-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: var(--blog-rule) dashed var(--border);
  border-radius: var(--r);
  background: var(--bg-panel);
  color: var(--text-muted);
  line-height: 1.8;
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "→";
  margin-inline-end: 0.65rem;
  color: var(--text-faint);
}

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

/* The pseudo-element paints the full-width band without changing the reading column. */
.article-hero {
  position: relative;
  isolation: isolate;
  padding-block: 2rem;
  border: 0;
  border-radius: 0;
  background: var(--clear);
  box-shadow: none;
}

.article-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset-block: 0;
  inset-inline: calc((100% - 100vw) / 2);
  border-block: var(--blog-rule) solid var(--blog-band-line);
  background: var(--blog-band-bg);
  clip-path: inset(0 var(--blog-rule));
  pointer-events: none;
}

.blog-band > .article-hero::before {
  content: none;
}

.article-hero h1 {
  margin: 0.85rem 0 1rem;
  font-size: clamp(1.85rem, 3.8vw, 2.6rem);
  font-weight: var(--blog-title-weight);
  line-height: 1.4;
}

.article-hero > p,
.article-hero .article-summary,
.article-hero .article-hero__summary {
  margin-block: 0.75rem 0;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.article-hero .article-meta,
.article-hero .article-hero__meta,
.article-hero .blog-meta {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.article-hero .article-meta > *,
.article-hero .article-hero__meta > *,
.article-hero .blog-meta > * {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--clear);
  box-shadow: none;
}

.article-hero .article-meta > * + *::before,
.article-hero .article-hero__meta > * + *::before,
.article-hero .blog-meta > * + *::before {
  content: "·";
  margin-inline-end: 0.5rem;
  color: var(--text-muted);
}

.prose,
.article-body,
[data-blog-body] {
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--blog-leading);
  overflow-wrap: break-word;
  counter-reset: blog-section;
}

.reading-wrap.prose,
.reading-wrap.article-body,
.reading-wrap[data-blog-body] {
  max-width: calc(var(--blog-reading) + 2 * var(--blog-gutter));
  width: 100%;
  padding-inline: var(--blog-gutter);
  margin-inline: auto;
  padding-block: 1.75rem 0;
}

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

:is(.prose, .article-body, [data-blog-body]) p {
  margin-block: 0 1.25rem;
}

:is(.prose, .article-body, [data-blog-body]) h2 {
  counter-increment: blog-section;
  margin: 2.4rem 0 1rem;
  font-size: clamp(1.3rem, 2.7vw, 1.6rem);
  font-weight: var(--blog-heading-weight);
  line-height: 1.55;
  scroll-margin-top: var(--anchor-offset);
}

:is(.prose, .article-body, [data-blog-body]) h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-inline-end: 0.65rem;
  padding: 0.1rem 0.4rem;
  border: var(--blog-rule) solid var(--border);
  border-radius: var(--r-xs);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font: 0.75rem/1.7 var(--font-mono);
  vertical-align: 0.15em;
}

:is(.prose, .article-body, [data-blog-body]) h3 {
  margin: 1.7rem 0 0.75rem;
  font-size: 1.25rem;
  line-height: 1.6;
  font-weight: var(--blog-heading-weight);
}

:is(.prose, .article-body, [data-blog-body]) ul,
:is(.prose, .article-body, [data-blog-body]) ol {
  margin: 0 0 1.4rem;
  padding-inline-start: 1.5rem;
}

:is(.prose, .article-body, [data-blog-body]) li {
  margin-block: 0.4rem;
}

:is(.prose, .article-body, [data-blog-body]) a {
  color: var(--accent-dark);
  text-decoration-thickness: var(--blog-rule);
  text-underline-offset: 0.22em;
  overflow-wrap: anywhere;
}

:is(.prose, .article-body, [data-blog-body]) img,
:is(.prose, .article-body, [data-blog-body]) svg {
  max-width: 100%;
}

:is(.prose, .article-body, [data-blog-body]) img {
  height: auto;
  border-radius: var(--r);
}

:is(.prose, .article-body, [data-blog-body]) figure {
  margin: 1.5rem 0;
}

:is(.prose, .article-body, [data-blog-body]) figcaption {
  margin-top: 0.65rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

:is(.prose, .article-body, [data-blog-body]) blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-inline-start: 0.2rem solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  color: var(--text-muted);
}

:is(.prose, .article-body, [data-blog-body]) blockquote > :last-child {
  margin-bottom: 0;
}

:is(.prose, .article-body, [data-blog-body]) code {
  padding: 0.15em 0.35em;
  border-radius: var(--r-xs);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

:is(.prose, .article-body, [data-blog-body]) pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 3rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: var(--blog-rule) solid var(--ink-line);
  border-radius: var(--r);
  background: var(--ink);
  color: var(--on-ink);
  font: 0.875rem/1.85 var(--font-mono);
  tab-size: 2;
}

:is(.prose, .article-body, [data-blog-body]) pre::before {
  content: "VPNXN / CONFIG";
  position: absolute;
  inset-block-start: 0.8rem;
  inset-inline-start: 1.25rem;
  color: var(--on-ink-muted);
  font: 0.7rem/1.5 var(--font-mono);
  letter-spacing: 0.08em;
}

:is(.prose, .article-body, [data-blog-body]) pre code {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--clear);
  color: inherit;
  font: inherit;
  white-space: pre;
  overflow-wrap: normal;
}

:is(.prose, .article-body, [data-blog-body]) .table-scroll {
  width: 100%;
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: var(--blog-rule) solid var(--border);
  border-radius: var(--r);
}

:is(.prose, .article-body, [data-blog-body]) table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  background: var(--bg-panel);
  font-size: 0.93rem;
  line-height: 1.8;
}

:is(.prose, .article-body, [data-blog-body]) .table-scroll table {
  margin: 0;
}

:is(.prose, .article-body, [data-blog-body]) th,
:is(.prose, .article-body, [data-blog-body]) td {
  padding: 0.85rem 1rem;
  border-bottom: var(--blog-rule) solid var(--border);
  text-align: start;
  vertical-align: top;
}

:is(.prose, .article-body, [data-blog-body]) thead th {
  background: var(--ink);
  color: var(--on-ink);
  font-weight: var(--blog-heading-weight);
}

:is(.prose, .article-body, [data-blog-body]) tbody tr:nth-child(even) {
  background: var(--bg-panel-2);
}

:is(.prose, .article-body, [data-blog-body]) tbody tr:hover {
  background: var(--blog-hover);
}

.callout,
.verdict {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border: var(--blog-rule) solid var(--border);
  border-inline-start: 0.25rem solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-accent-wash);
  color: var(--text);
  line-height: 1.85;
}

.callout {
  padding-inline-start: 3.25rem;
}

.callout::before {
  content: "i";
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: 1.15rem;
  width: 1.35rem;
  height: 1.35rem;
  border: var(--blog-rule) solid currentColor;
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font: 0.8rem/1.35rem var(--font-mono);
  text-align: center;
}

.callout--warning,
.callout.warning {
  border-inline-start-color: var(--warn);
  background: var(--blog-warn-wash);
}

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

.callout--success,
.callout.success {
  border-inline-start-color: var(--success);
  background: var(--blog-success-wash);
}

.callout--success::before,
.callout.success::before {
  color: var(--success);
}

.callout > :last-child,
.verdict > :last-child {
  margin-bottom: 0;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0.85rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: var(--blog-rule) solid var(--border);
  border-top: 0.2rem solid var(--accent);
  border-radius: var(--r);
  background: var(--blog-accent-wash);
}

.stat-card:nth-child(even) {
  border-top-color: var(--success);
  background: var(--blog-success-wash);
}

.stat-num {
  display: block;
  color: var(--accent-dark);
  font: var(--blog-heading-weight) clamp(1.3rem, 3vw, 1.9rem)/1.4 var(--font-mono);
  overflow-wrap: anywhere;
}

.stat-card:nth-child(even) .stat-num {
  color: var(--text);
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.check-list,
:is(.prose, .article-body, [data-blog-body]) .check-list {
  display: grid;
  gap: 0.65rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li,
:is(.prose, .article-body, [data-blog-body]) .check-list li {
  margin: 0;
  padding: 0.9rem 1rem;
  border: var(--blog-rule) solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  list-style: none;
}

.check-list li::before,
.check-list li::marker {
  content: none;
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 1.75rem;
  border: var(--blog-rule) solid var(--accent-dark);
  border-radius: var(--r);
  background: linear-gradient(120deg, var(--accent-dark), var(--accent));
  color: var(--white);
  box-shadow: var(--shadow-1);
}

.promo-block > div:first-child {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-block__brand {
  color: var(--white);
  font: var(--blog-title-weight) 1.5rem/1.4 var(--font-display);
  letter-spacing: 0.03em;
}

.promo-block p {
  margin: 0.65rem 0 0;
  color: var(--white);
  font-size: 1rem;
  line-height: 1.8;
}

.promo-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.promo-block .btn-primary,
:is(.prose, .article-body, [data-blog-body]) .promo-block .btn-primary {
  border: var(--blog-rule) solid var(--white);
  background: var(--white);
  color: var(--accent-dark);
  text-decoration: none;
}

.promo-block .btn-secondary,
:is(.prose, .article-body, [data-blog-body]) .promo-block .btn-secondary {
  border: var(--blog-rule) solid var(--white);
  background: var(--clear);
  color: var(--white);
  text-decoration: none;
}

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

.promo-block .btn-secondary:hover {
  background: var(--accent-dark);
}

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

#related-posts:empty,
#post-nav:empty {
  display: none;
}

#related-posts > h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  line-height: 1.6;
}

#related-posts > h2::before {
  content: none;
}

.related-grid .article-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

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

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  border: var(--blog-rule) solid var(--border);
  border-radius: var(--r);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--duration), transform var(--duration);
}

.post-nav-card--prev {
  grid-column: 1;
}

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

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

.post-nav-card__label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--accent-dark);
  font-size: 0.85rem;
}

.post-nav-card strong {
  display: block;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.post-nav-card time {
  display: block;
  margin-top: 0.75rem;
  color: var(--text-muted);
  font: 0.75rem/1.6 var(--font-mono);
}

/* Optional article component; never mounted by the list or related-content scripts. */
.float-cta {
  position: fixed;
  z-index: 30;
  inset-inline-end: max(1.25rem, env(safe-area-inset-right));
  inset-block-end: max(1.25rem, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  max-width: calc(100vw - 2.5rem);
  padding: 0.8rem 1.2rem;
  border: var(--blog-rule) solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-cta);
  font: var(--blog-heading-weight) 0.95rem/1.5 var(--font-body);
  text-decoration: none;
}

.float-cta svg {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
}

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

.blog-index :is(a, button):focus-visible,
.blog-article :is(a, button, [tabindex]):focus-visible,
.article-hero a:focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible,
.float-cta:focus-visible {
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.2rem;
}

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

  :is(.prose, .article-body, [data-blog-body]) th,
  :is(.prose, .article-body, [data-blog-body]) td {
    min-width: 9rem;
  }

  :is(.prose, .article-body, [data-blog-body]) .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
  }
}

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

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

  .related-grid .article-card:last-child:nth-child(odd),
  .post-nav-card--prev,
  .post-nav-card--next {
    grid-column: auto;
  }

  .article-card {
    padding: 1.2rem;
  }

  .article-hero {
    padding-block: 1.6rem;
  }

  .article-hero h1 {
    font-size: clamp(1.75rem, 6.5vw, 2.2rem);
  }

  .promo-block {
    padding: 1.25rem;
    gap: 1rem;
  }

  .promo-block__actions {
    width: 100%;
  }

  .float-cta {
    position: static;
    width: fit-content;
    max-width: calc(100% - 3rem);
    margin: 1rem auto 1.5rem;
  }
}

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

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