:root {
  --blog-reading: 56rem;
  --blog-column-box: calc(var(--blog-reading) + var(--gutter) + var(--gutter));
  --blog-title-spacing: -0.015em;
  --blog-copy-size: 1rem;
  --blog-copy-leading: 1.9;
  --blog-list-title: clamp(2rem, 4vw, 3rem);
  --blog-article-title: clamp(1.8rem, 3.3vw, 2.6rem);
  --blog-h2: clamp(1.3rem, 2.4vw, 1.6rem);
  --blog-h3: clamp(1.1rem, 2vw, 1.3rem);
  --blog-grid-size: 2rem;
  --blog-motion: 160ms ease;
  --blog-card-shadow: 0 1rem 3rem var(--accent-a10);
  --blog-focus: 0 0 0 0.2rem var(--accent-a18);
}

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

.blog-skip {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-start: var(--gutter);
  z-index: 100;
  padding: 0.65rem 1rem;
  color: var(--white);
  background: var(--accent);
  border-radius: var(--r-sm);
  transform: translateY(-200%);
}

.blog-skip:focus {
  transform: none;
}

.blog-list-hero {
  padding-block: 3.5rem 2.5rem;
  background:
    radial-gradient(ellipse at 85% 15%, var(--accent-a06), var(--clear) 55%),
    linear-gradient(var(--grid-line) 1px, var(--clear) 1px),
    linear-gradient(90deg, var(--grid-line) 1px, var(--clear) 1px),
    linear-gradient(var(--hero-top), var(--hero-bottom));
  background-size: auto, var(--blog-grid-size) var(--blog-grid-size), var(--blog-grid-size) var(--blog-grid-size), auto;
}

.blog-eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.blog-list-hero h1 {
  margin: 0 0 1rem;
  font-size: var(--blog-list-title);
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.25;
}

.blog-list-hero h1,
.article-hero h1,
.prose h2,
.prose h3,
.blog-card h3,
.related-card h3,
#related-posts > h2 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-title-spacing);
  overflow-wrap: anywhere;
}

.blog-lead {
  max-width: 46rem;
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.85;
}

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

.blog-catalog > h2 {
  display: block;
  margin: 0 0 1rem;
  font-size: var(--blog-h2);
  text-wrap: pretty;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.blog-filters button {
  appearance: none;
  min-height: 2.75rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  background: var(--bg);
  font: inherit;
  cursor: pointer;
  transition: background var(--blog-motion), border-color var(--blog-motion);
}

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

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

.blog-filters button:focus-visible,
.blog-card a:focus-visible,
.related-card a:focus-visible,
.post-nav-card:focus-visible,
.float-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  box-shadow: var(--blog-focus);
}

.blog-status {
  margin-block: 1rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.blog-post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.blog-card,
.related-card,
.article-hero > *,
.post-nav-card {
  min-width: 0;
}

.blog-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

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

.blog-card h3,
.related-card h3 {
  margin: 0.9rem 0 0.6rem;
  font-size: var(--blog-h3);
  line-height: 1.6;
}

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

.blog-card a:hover,
.related-card a:hover {
  color: var(--accent);
}

.blog-card .blog-read {
  margin-top: auto;
  padding-block: 0.4rem;
  color: var(--accent);
  font-weight: 600;
}

.blog-art {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border: 0;
  border-radius: var(--r-card);
  background: linear-gradient(135deg, var(--bg-panel), var(--panel-tint));
  box-shadow: var(--blog-card-shadow);
}

.blog-art-chrome {
  display: block;
  margin: 1.4rem 1.4rem 0;
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  color: var(--ink-muted);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.blog-art-face {
  display: block;
  margin-inline: 1.4rem;
  padding: 1.1rem;
  min-height: 8rem;
  color: var(--ink-text);
  background: linear-gradient(var(--accent-ink-tint), var(--clear)), var(--ink);
  border-radius: 0 0 var(--r-sm) var(--r-sm);
}

.blog-art-label {
  display: block;
  margin-bottom: 1rem;
  color: var(--ink-text);
  font-size: 1rem;
  font-weight: 700;
}

.blog-art-line {
  display: block;
  width: 82%;
  height: 0.35rem;
  margin-block: 0.6rem;
  border-radius: var(--r-pill);
  background: var(--ink-line);
}

.blog-art-line + .blog-art-line {
  width: 58%;
  background: var(--ink-chip-2);
}

.blog-art-note {
  display: block;
  margin-top: 0.8rem;
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-family: var(--font-mono);
}

.blog-art[data-category="security"] .blog-art-face {
  border-left: 3px solid var(--accent);
}

.blog-art[data-category="network"] .blog-art-line {
  width: 65%;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.6rem;
  margin-top: 1.2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.blog-meta time,
.post-nav-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--r-card);
  color: var(--text-muted);
  line-height: 1.8;
  background: var(--bg-panel);
}

.blog-list-promo {
  padding-block: 1rem 3rem;
}

.breadcrumbs,
.breadcrumb,
.article-hero,
.reading-wrap,
.article-column,
#related-posts,
#post-nav,
.blog-article main > .promo-block {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--blog-column-box);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

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

.breadcrumbs li + li::before,
.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.65rem;
  color: var(--text-soft);
}

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

.article-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
  align-items: start;
  gap: 2rem;
  padding-block: 1.5rem 2rem;
  background:
    linear-gradient(var(--grid-line) 1px, var(--clear) 1px),
    linear-gradient(90deg, var(--grid-line) 1px, var(--clear) 1px);
  background-size: var(--blog-grid-size) var(--blog-grid-size);
}

.article-hero::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: var(--gutter);
  height: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--accent), var(--accent-a10));
}

.article-hero h1 {
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-article-title);
  font-weight: 900;
  line-height: 1.4;
}

.article-hero p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--blog-copy-size);
  line-height: var(--blog-copy-leading);
}

.article-meta {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

.article-hero > :not(.article-meta) {
  grid-column: 1;
}

.article-meta .badge {
  color: var(--white);
  background: var(--accent);
}

.article-meta time,
.article-meta .read-time,
.article-meta .reading-time {
  display: inline-block;
  max-width: 100%;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--bg);
  overflow-wrap: anywhere;
}

.reading-wrap {
  width: 100%;
  max-width: var(--blog-column-box);
  padding-inline: var(--gutter);
  margin-inline: auto;
  padding-block: 0 1.5rem;
}

.reading-wrap .prose,
.reading-wrap.prose {
  font-family: var(--font-body);
  font-size: var(--blog-copy-size);
  line-height: var(--blog-copy-leading);
  color: var(--text);
  counter-reset: blog-chapter;
}

.reading-wrap .prose {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

.prose > :first-child {
  margin-top: 0;
}

.prose p,
.prose ul,
.prose ol {
  margin-block: 0 1.2rem;
}

.prose li {
  margin-block: 0.4rem;
}

.prose h2 {
  counter-increment: blog-chapter;
  margin-block: 2.2rem 1rem;
  font-size: var(--blog-h2);
  line-height: 1.6;
  color: var(--text);
  scroll-margin-top: var(--anchor-offset);
}

.prose h2::before {
  content: counter(blog-chapter, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.1rem 0.45rem;
  vertical-align: 0.1em;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--accent-a10);
  font: 600 0.8rem/1.6 var(--font-mono);
  letter-spacing: normal;
}

.prose h3 {
  margin-block: 1.6rem 0.7rem;
  font-size: var(--blog-h3);
  line-height: 1.7;
}

.prose a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

.prose blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.4rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--bg-panel);
  color: var(--text-muted);
}

.prose blockquote p:last-child,
.callout p:last-child,
.verdict p:last-child {
  margin-bottom: 0;
}

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

.prose table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.8;
}

.prose .table-scroll table {
  margin: 0;
}

.prose th,
.prose td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th {
  color: var(--ink-text);
  background: var(--ink);
  font-weight: 600;
}

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

.prose tbody tr:hover {
  background: var(--accent-a06);
}

.prose caption {
  padding: 0.7rem;
  color: var(--text-muted);
  text-align: left;
}

.prose pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 2.8rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--ink-line);
  border-radius: var(--r-sm);
  color: var(--ink-text);
  background: var(--ink);
  font: 0.85rem/1.85 var(--font-mono);
  tab-size: 2;
}

.prose pre::before {
  content: "VPNHY / TERMINAL";
  position: absolute;
  inset-block-start: 0.65rem;
  inset-inline-start: 1.25rem;
  color: var(--ink-muted);
  font: 0.7rem/1.5 var(--font-mono);
  letter-spacing: 0.06em;
}

.prose code {
  padding: 0.12rem 0.3rem;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--bg-panel-2);
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.prose pre code {
  padding: 0;
  color: inherit;
  background: none;
  font-size: inherit;
  overflow-wrap: normal;
  white-space: pre;
}

.prose .callout,
.prose .verdict {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--text);
  background: var(--accent-a06);
}

.prose .callout {
  padding-left: 3.25rem;
}

.prose .callout::before {
  content: "i";
  position: absolute;
  inset-block-start: 1.15rem;
  inset-inline-start: 1rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: var(--r-round);
  color: var(--white);
  background: var(--accent);
  text-align: center;
  font: 700 0.85rem/1.4rem var(--font-mono);
}

.prose .callout.warning,
.prose .callout--warning {
  border-left-color: var(--warn);
  background: color-mix(in srgb, var(--warn) 9%, var(--bg));
}

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

.prose .callout.success,
.prose .callout--success {
  border-left-color: var(--success);
  background: color-mix(in srgb, var(--success) 8%, var(--bg));
}

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

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

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

.stat-card {
  padding: 1.2rem;
  border-top: 3px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
}

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

.stat-num {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.prose .check-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.prose .check-list li {
  margin-block: 0.6rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
}

.promo-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 1.5rem;
  padding: 1.75rem;
  border: 1px solid var(--accent-a38);
  border-radius: var(--r-card);
  color: var(--white);
  background: linear-gradient(120deg, var(--accent-dark), var(--accent));
  box-shadow: var(--blog-card-shadow);
}

.promo-block > div {
  min-width: 0;
}

.promo-block h2 {
  display: block;
  margin: 0 0 0.6rem;
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  text-wrap: pretty;
  letter-spacing: var(--blog-title-spacing);
}

.promo-block h2::before {
  content: none;
}

.promo-block p {
  max-width: 38rem;
  margin: 0;
  color: var(--white);
  line-height: 1.85;
}

.promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

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

.promo-block .btn-ghost {
  color: var(--white);
  border-color: var(--white-a72);
  background: var(--clear);
}

.promo-block .btn-ghost:hover {
  background: var(--white-a22);
}

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

#related-posts > h2 {
  margin: 0 0 1.2rem;
  font-size: var(--blog-h2);
}

.related-grid {
  gap: 1rem;
}

.related-card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  transition: border-color var(--blog-motion), box-shadow var(--blog-motion);
}

.related-card:hover,
.related-card:focus-within {
  border-top-color: var(--accent);
  box-shadow: var(--blog-card-shadow);
}

.related-card .blog-meta {
  margin-top: 0;
}

.related-card h3 {
  font-size: 1.05rem;
}

.related-card > p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-block: 1.5rem 2rem;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  background: var(--bg);
  text-decoration: none;
  transition: border-color var(--blog-motion), background var(--blog-motion);
}

.post-nav-card:hover {
  border-color: var(--accent);
  background: var(--accent-a06);
}

.post-nav-label {
  color: var(--accent-dark);
  font-size: 0.85rem;
}

.post-nav-card strong {
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.post-nav-date {
  margin-top: auto;
  color: var(--text-muted);
}

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

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

.float-cta {
  position: fixed;
  inset-inline-end: 1.5rem;
  inset-block-end: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  max-width: calc(100vw - 2rem);
  min-height: 2.75rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--white-a22);
  border-radius: var(--r-pill);
  color: var(--white);
  background: linear-gradient(110deg, var(--accent-dark), var(--accent));
  box-shadow: var(--blog-card-shadow);
  font: 600 0.9rem/1.5 var(--font-body);
  text-decoration: none;
}

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

@media (max-width: 860px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .article-hero {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .article-meta {
    grid-column: 1;
    grid-row: 1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 0.6rem;
  }

  .article-hero > :not(.article-meta) {
    grid-column: 1;
    grid-row: auto;
  }

  .prose table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .prose .table-scroll table {
    display: table;
    width: 100%;
    min-width: 36rem;
    max-width: none;
  }
}

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

  .blog-post-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-list-hero {
    padding-block: 2.5rem 2rem;
  }

  .article-hero {
    padding-block: 1.5rem;
  }

  .blog-catalog {
    padding-block: 1.75rem;
  }

  .promo-block {
    padding: 1.5rem;
  }

  #post-nav {
    grid-template-columns: 1fr;
    padding-block: 1.25rem 1.5rem;
  }

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

  .float-cta {
    inset-inline-end: 0.75rem;
    inset-block-end: max(0.75rem, env(safe-area-inset-bottom));
    padding: 0.65rem 1rem;
  }

  body:has(.float-cta) {
    padding-bottom: 5rem;
  }
}

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

  .blog-skip {
    transition: none;
  }
}