:root {
  --blog-column: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-title-size: clamp(1.8rem, 4vw, 2.6rem);
  --blog-list-title-size: clamp(2rem, 4.5vw, 3rem);
  --blog-body-size: 1rem;
}

.blog-index,
.blog-article {
  font-family: var(--font-body);
  color: var(--text);
  background: linear-gradient(var(--accent-04), var(--transparent) 24rem), var(--bg);
}

.blog-skip {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: .75rem 1.25rem;
  transform: translateY(-180%);
  color: var(--surface);
  background: var(--text);
  border-radius: var(--r-pill);
}

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

.blog-main {
  padding-bottom: 3rem;
}

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

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumbs li + li::before {
  content: "／";
  margin-right: .7rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text);
  text-underline-offset: .2em;
}

.blog-hero {
  position: relative;
  box-sizing: border-box;
  padding-block: 2rem;
  padding-inline: var(--blog-gutter);
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-card);
}

.blog-hero__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
}

.blog-hero__meta,
.article-card__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: .5rem .75rem;
  color: var(--text-muted);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.blog-hero__meta {
  flex: 1;
  margin: .25rem 0 1rem;
}

.blog-hero__meta > time,
.blog-hero__meta > .read-time,
.blog-hero__meta > .blog-readtime {
  padding: .3rem .7rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
}

.blog-hero__meta > .badge {
  color: var(--surface);
  background: var(--text);
  border-color: var(--text);
}

.blog-kicker {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.blog-stamp {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 5.7rem;
  height: 5.7rem;
  margin: .45rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: var(--weight-medium);
  line-height: 1.3;
  letter-spacing: .02em;
  transform: rotate(-11deg);
}

.blog-stamp::before {
  content: "";
  position: absolute;
  inset: .28rem;
  border: 1px solid var(--accent-dark);
  border-radius: inherit;
  pointer-events: none;
}

.blog-stamp span {
  margin-top: .25rem;
  font-family: var(--font-body);
  font-size: .65rem;
  letter-spacing: .08em;
}

.blog-hero h1,
.article-hero h1,
.blog-index-hero h1,
.article-card h3,
.prose h1,
.prose h2,
.prose h3,
.related-heading {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-normal);
  letter-spacing: -.015em;
  text-wrap: pretty;
  overflow-wrap: break-word;
}

.blog-hero h1,
.article-hero h1 {
  margin: 1rem 0;
  font-size: var(--blog-title-size);
  line-height: 1.4;
}

.blog-index-hero h1 {
  font-size: var(--blog-list-title-size);
}

.blog-hero__summary {
  max-width: 48rem;
  margin: 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.9;
}

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

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  width: fit-content;
  max-width: 100%;
  padding: .5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--surface);
}

.blog-filters button {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 2.75rem;
  padding: .6rem 1rem;
  border: 1px solid var(--transparent);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  background: var(--transparent);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--weight-normal);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.blog-filters button::before {
  content: "";
  width: .35rem;
  height: .35rem;
  flex: 0 0 auto;
  border-radius: var(--r-round);
  background: var(--warm-gray);
}

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

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

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

.blog-result-status {
  min-height: 1.5em;
  margin-block: 1rem 1.5rem;
  color: var(--text-muted);
  font-size: var(--fs-small);
}

.blog-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

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

.article-card:hover,
.article-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--accent-dark);
}

.article-card__meta {
  margin-bottom: 1rem;
}

.article-card .badge {
  padding: .25rem .6rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  background: var(--bg-panel);
  white-space: normal;
}

.article-card h3 {
  margin: 0 0 .85rem;
  font-size: 1.2rem;
  line-height: 1.6;
}

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

.article-card h3 a:hover {
  text-decoration: underline;
  text-underline-offset: .2em;
}

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

.article-card__link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: var(--fs-small);
  text-decoration-thickness: 1px;
  text-underline-offset: .25em;
}

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

.reading-wrap,
.article-hero,
.blog-article > main > .breadcrumbs,
.article-breadcrumbs,
.blog-article > main > .promo-block,
.blog-article > main > #related-posts,
.blog-article > main > #post-nav {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-column) + 2 * var(--blog-gutter));
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
}

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

.article-hero {
  padding-block: 2rem;
}

.reading-wrap {
  padding-block: 0;
}

.prose {
  min-width: 0;
  margin-top: 1.75rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: 1.9;
  overflow-wrap: break-word;
}

.prose p,
.prose ul,
.prose ol {
  margin-block: 1rem;
}

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

.prose h2 {
  margin: 2.5rem 0 1rem;
  color: var(--text);
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  line-height: 1.55;
  scroll-margin-top: var(--anchor-offset);
}

.prose h2::before {
  content: "";
  display: inline-block;
  width: 1.25rem;
  height: .2rem;
  margin-right: .65rem;
  border-radius: var(--r-pill);
  vertical-align: middle;
  background: var(--accent);
}

.prose h3 {
  margin: 1.75rem 0 .75rem;
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  line-height: 1.6;
}

.prose a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

.prose strong {
  color: var(--text);
  font-weight: var(--weight-medium);
}

.prose li {
  padding-left: .2rem;
  margin-block: .5rem;
}

.prose img,
.prose svg {
  max-width: 100%;
  height: auto;
}

.prose hr {
  margin-block: 2rem;
  border: 0;
  border-top: 1px solid var(--border);
}

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

.prose table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  font-size: .95rem;
  line-height: 1.7;
}

.prose .table-scroll table {
  min-width: 38rem;
  margin: 0;
}

.prose caption {
  padding: .8rem 1rem;
  text-align: left;
  color: var(--text-muted);
  background: var(--bg-panel);
}

.prose th,
.prose td {
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

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

.prose tbody th,
.prose tbody td:first-child {
  color: var(--text);
}

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

.prose tbody tr:hover {
  background: var(--accent-04);
}

.prose code {
  padding: .15em .35em;
  border-radius: var(--r-small);
  color: var(--accent-dark);
  background: var(--bg-panel);
  font-family: var(--font-mono);
  font-size: .9em;
  overflow-wrap: anywhere;
}

.prose pre {
  position: relative;
  max-width: 100%;
  margin-block: 1.5rem;
  padding: 3rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--ink-2);
  border-radius: var(--r-card);
  color: var(--surface);
  background: var(--text);
  font-family: var(--font-mono);
  font-size: .875rem;
  line-height: 1.8;
}

.prose pre::before {
  content: "VPN34 / NOTES";
  position: absolute;
  top: .8rem;
  left: 1.25rem;
  color: var(--white-70);
  font-size: .7rem;
  letter-spacing: .08em;
}

.prose pre code {
  padding: 0;
  border-radius: 0;
  color: inherit;
  background: var(--transparent);
  font-size: inherit;
  overflow-wrap: normal;
}

.prose blockquote,
.prose .callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem 1rem 3.4rem;
  border: 1px solid var(--border);
  border-left: .2rem solid var(--accent-dark);
  border-radius: var(--r-small);
  color: var(--text);
  background: var(--accent-04);
}

.prose blockquote::before,
.prose .callout::before {
  content: "i";
  position: absolute;
  top: 1.15rem;
  left: 1.1rem;
  display: inline-block;
  width: 1.3rem;
  height: 1.3rem;
  border: 1px solid currentColor;
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.3rem;
  text-align: center;
}

.prose .callout--warning,
.prose .callout.warning {
  border-left-color: var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, var(--surface));
}

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

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

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

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

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  padding: 1.3rem;
  border: 1px solid var(--border);
  border-top: .2rem solid var(--accent-dark);
  border-radius: var(--r-small);
  color: var(--text);
  background: var(--accent-04);
}

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

.stat-num {
  display: block;
  margin: 0 0 .4rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.4;
}

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

.stat-label {
  display: block;
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.8;
}

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

.prose .check-list li {
  margin: .65rem 0;
  padding: .9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-small);
  background: var(--surface);
  list-style: none;
}

.verdict {
  margin-block: 1.5rem;
  padding: 1rem 1.25rem;
  border-left: .25rem solid var(--accent-dark);
  border-radius: var(--r-small);
  color: var(--text);
  background: var(--bg-panel);
}

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

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

.promo-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-sizing: border-box;
  margin-block: 2rem;
  padding: 2rem var(--blog-gutter);
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-card);
  color: var(--surface);
  background: linear-gradient(115deg, var(--text), var(--accent-dark));
}

.promo-block__copy {
  flex: 1 1 18rem;
  min-width: 0;
}

.promo-block__copy p {
  margin: .5rem 0 0;
  color: var(--surface);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.promo-block__copy .promo-block__brand {
  margin: 0;
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--weight-normal);
}

.promo-block .actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.promo-block .btn-solid,
.promo-block .btn-primary {
  color: var(--text);
  background: var(--surface);
  border-color: var(--surface);
}

.promo-block .btn-outline,
.promo-block .btn-secondary {
  color: var(--surface);
  background: var(--transparent);
  border-color: var(--white-70);
}

.promo-block .btn-solid:hover,
.promo-block .btn-primary:hover {
  color: var(--text);
  background: var(--bg-panel);
}

.promo-block .btn-outline:hover,
.promo-block .btn-secondary:hover {
  color: var(--surface);
  background: var(--white-16);
}

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

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

.related-heading {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1.6;
}

.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.related-grid .article-card {
  padding: 1.2rem;
}

.related-grid .article-card h3 {
  font-size: 1.1rem;
}

#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: 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition);
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--accent-dark);
  transform: translateY(-3px);
}

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

.post-nav-card__label {
  display: block;
  margin-bottom: .7rem;
  color: var(--text-muted);
  font-size: var(--fs-small);
}

.post-nav-card__title {
  display: block;
  color: var(--text);
  font-size: var(--blog-body-size);
  line-height: 1.8;
  overflow-wrap: break-word;
}

.blog-filters button:focus-visible,
.article-card a:focus-visible,
.post-nav-card:focus-visible,
.breadcrumbs a:focus-visible,
.prose a:focus-visible,
.promo-block a:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 4px;
}

@media (max-width: 860px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

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

  .blog-stamp {
    width: 4rem;
    height: 4rem;
    font-size: 1.05rem;
  }

  .blog-stamp span {
    font-size: .55rem;
  }

  .blog-hero__top {
    gap: .5rem;
  }

  .blog-hero__meta {
    gap: .5rem;
  }

  .blog-filters {
    gap: .25rem;
    padding: .35rem;
  }

  .blog-filters button {
    padding-inline: .75rem;
  }

  .article-card {
    padding: 1.25rem;
  }

  .promo-block {
    padding-block: 1.5rem;
  }

  .prose h2 {
    margin-top: 2rem;
  }
}

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

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