:root {
  --blog-reading-width: 56rem;
  --blog-card-gap: clamp(1rem, 2vw, 1.5rem);
  --blog-section-gap: clamp(2.75rem, 5vw, 4.5rem);
  --blog-ease: 180ms ease;
  --blog-rule: color-mix(in srgb, var(--color-accent) 24%, var(--color-line));
  --blog-accent-tint: color-mix(in srgb, var(--color-accent) 9%, var(--color-panel));
  --blog-warning-tint: color-mix(in srgb, var(--color-warning) 11%, var(--color-panel));
  --blog-success-tint: color-mix(in srgb, var(--color-success) 10%, var(--color-panel));
  --blog-error-tint: color-mix(in srgb, var(--color-error) 9%, var(--color-panel));
  --blog-ink-soft: color-mix(in srgb, var(--color-text) 84%, var(--color-panel));
  --blog-overlay: color-mix(in srgb, var(--color-text) 68%, transparent);
}

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

.blog-list-page main,
.blog-article-page main {
  overflow: clip;
}

.blog-list-hero {
  position: relative;
  isolation: isolate;
  width: min(calc(100% - (var(--gutter) * 2)), var(--content-max));
  margin-inline: auto;
  padding: clamp(3.5rem, 8vw, 7rem) clamp(1.5rem, 5vw, 4.5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(var(--blog-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--blog-rule) 1px, transparent 1px),
    var(--color-panel);
  background-size: 3rem 3rem;
  box-shadow: var(--shadow-panel);
}

.blog-list-hero::before {
  position: absolute;
  inset: 1rem auto 1rem 0;
  width: 0.3rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
}

.blog-list-hero__grid {
  position: absolute;
  z-index: -1;
  right: clamp(1.5rem, 6vw, 6rem);
  top: 50%;
  width: clamp(9rem, 20vw, 15rem);
  aspect-ratio: 1;
  border: 1px solid var(--blog-rule);
  border-radius: calc(var(--radius-lg) * 8);
  background:
    radial-gradient(circle at center, transparent 32%, var(--blog-rule) 33%, transparent 34%),
    linear-gradient(90deg, transparent 48%, var(--blog-rule) 49%, var(--blog-rule) 51%, transparent 52%),
    linear-gradient(transparent 48%, var(--blog-rule) 49%, var(--blog-rule) 51%, transparent 52%);
  transform: translateY(-50%);
  opacity: 0.72;
}

.blog-list-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.blog-kicker,
.section-index,
.blog-result-count {
  font-family: var(--font-mono);
  color: var(--color-accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.blog-list-hero h1 {
  max-width: 44rem;
  margin: 0.75rem 0 1.25rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: pretty;
}

.blog-list-hero h1 .no-break {
  color: var(--color-accent);
}

.blog-list-hero__copy > p:last-child {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.blog-list-facts {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.blog-list-facts span {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: calc(var(--radius-lg) * 3);
  background: color-mix(in srgb, var(--color-panel) 90%, transparent);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.blog-catalog {
  width: min(calc(100% - (var(--gutter) * 2)), var(--content-max));
  margin: var(--blog-section-gap) auto;
}

.blog-catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.blog-catalog-heading h2 {
  margin: 0.35rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
  padding-block: 1rem;
  border-block: 1px solid var(--color-line);
}

.blog-filter button {
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: calc(var(--radius-lg) * 3);
  background: var(--color-panel);
  color: var(--color-text-soft);
  font: 700 0.88rem/1 var(--font-body);
  cursor: pointer;
  transition:
    color var(--blog-ease),
    border-color var(--blog-ease),
    background-color var(--blog-ease),
    transform var(--blog-ease);
}

.blog-filter button:hover,
.blog-filter button:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
  transform: translateY(-1px);
}

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

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

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 1rem 2.5rem color-mix(in srgb, var(--color-text) 7%, transparent);
  transition:
    border-color var(--blog-ease),
    box-shadow var(--blog-ease),
    transform var(--blog-ease);
}

.article-card::before,
.related-card::before,
.post-nav-card::before {
  position: absolute;
  inset: 0 1.25rem auto;
  height: 0.18rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transition: opacity var(--blog-ease);
}

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

.article-card:hover::before,
.article-card:focus-within::before,
.related-card:hover::before,
.related-card:focus-within::before,
.post-nav-card:hover::before,
.post-nav-card:focus-visible::before {
  opacity: 1;
}

.article-meta,
.related-card__meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.6rem;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.35rem 0.65rem;
  border-radius: calc(var(--radius-lg) * 3);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 700;
}

.article-card h3 {
  margin: 1rem 0 0.75rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  letter-spacing: -0.015em;
  line-height: 1.42;
  text-wrap: pretty;
}

.article-card > p {
  flex: 1;
  margin: 0 0 1.25rem;
  color: var(--color-text-soft);
  font-size: 0.96rem;
  line-height: 1.75;
}

.article-link {
  width: fit-content;
  color: var(--color-accent-deep);
  font-weight: 800;
  text-decoration-thickness: 0.1rem;
  text-underline-offset: 0.25rem;
}

.article-link:hover,
.article-link:focus-visible {
  color: var(--color-accent);
}

.blog-empty {
  margin: 2rem 0;
  padding: 2rem;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  text-align: center;
}

/* Article page */

.breadcrumb,
.blog-article-hero,
.article-body,
.promo-block,
.related-section,
.post-nav {
  width: min(calc(100% - (var(--gutter) * 2)), var(--blog-reading-width));
  margin-inline: auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  color: var(--color-text-soft);
  font-size: 0.86rem;
}

.breadcrumb a {
  color: var(--color-accent-deep);
}

.breadcrumb-separator {
  color: var(--color-line);
}

.blog-article-hero {
  position: relative;
  display: grid;
  width: min(calc(100% - (var(--gutter) * 2)), calc(var(--blog-reading-width) + clamp(3rem, 8vw, 6rem)));
  grid-template-columns: minmax(0, 3fr) minmax(11rem, 1fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-top: 1.4rem;
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(var(--blog-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--blog-rule) 1px, transparent 1px),
    var(--color-panel);
  background-size: 2.5rem 2.5rem;
  box-shadow: var(--shadow-panel);
}

.blog-article-hero::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0;
  width: 0.3rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
}

.article-hero-copy {
  min-width: 0;
}

.blog-article-hero h1 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.18;
  text-wrap: pretty;
}

.article-lead {
  margin: 1.2rem 0 0;
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.article-hero-meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0;
  padding: 0.25rem 0 0.25rem 1.4rem;
  border-left: 1px solid var(--color-line);
  color: var(--color-text-soft);
  font-size: 0.82rem;
}

.article-hero-meta > * {
  display: block;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
}

.article-hero-meta > *:last-child {
  border-bottom: 0;
}

.article-hero-meta .tag {
  align-self: flex-start;
  width: fit-content;
  margin-bottom: 0.3rem;
  padding-inline: 0.7rem;
  border-bottom: 0;
  color: var(--color-panel);
}

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

.article-body {
  counter-reset: article-section;
  margin-top: 2rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
}

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

.article-body h2 {
  counter-increment: article-section;
  position: relative;
  margin: 3.3rem 0 1.15rem;
  padding-top: 1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: -0.015em;
  line-height: 1.35;
  text-wrap: pretty;
}

.article-body h2::before {
  display: block;
  width: 2.8rem;
  margin-bottom: 0.65rem;
  border-top: 0.22rem solid var(--color-accent);
  color: var(--color-accent-deep);
  content: counter(article-section, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
}

.article-body h3 {
  margin: 2.2rem 0 0.8rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
  line-height: 1.45;
  text-wrap: pretty;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote {
  margin-block: 1rem;
}

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

.article-body li + li {
  margin-top: 0.55rem;
}

.article-body blockquote {
  margin-inline: 0;
  padding: 1rem 1.2rem;
  border-left: 0.25rem solid var(--color-accent);
  background: var(--blog-accent-tint);
  color: var(--blog-ink-soft);
}

.article-body table,
.article-body .data-table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 0.9rem;
}

.article-body th,
.article-body td {
  min-width: 8rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--color-accent-deep);
  color: var(--color-panel);
  font-weight: 800;
}

.article-body tbody tr:nth-child(even) {
  background: var(--color-panel-soft);
}

.article-body tbody tr {
  transition: background-color var(--blog-ease);
}

.article-body tbody tr:hover {
  background: var(--blog-accent-tint);
}

.article-body pre {
  position: relative;
  margin-block: 1.5rem;
  padding: 2.8rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-text-soft);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle, var(--color-error) 0 0.25rem, transparent 0.27rem) 1rem 0.85rem / 0.7rem 0.7rem no-repeat,
    radial-gradient(circle, var(--color-warning) 0 0.25rem, transparent 0.27rem) 1.85rem 0.85rem / 0.7rem 0.7rem no-repeat,
    radial-gradient(circle, var(--color-success) 0 0.25rem, transparent 0.27rem) 2.7rem 0.85rem / 0.7rem 0.7rem no-repeat,
    var(--color-text);
  color: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.article-body pre::after {
  position: absolute;
  top: 0.65rem;
  right: 1rem;
  color: color-mix(in srgb, var(--color-panel) 70%, transparent);
  content: "VPNIG / NOTES";
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.article-body :not(pre) > code {
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel-soft);
  color: var(--color-accent-deep);
}

.callout {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.1rem 1.2rem 1.1rem 3.5rem;
  border: 1px solid var(--color-line);
  border-left: 0.3rem solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--blog-accent-tint);
  color: var(--color-text);
}

.callout::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: grid;
  width: 1.6rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: calc(var(--radius-lg) * 3);
  background: var(--color-accent);
  color: var(--color-panel);
  content: "i";
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: var(--blog-warning-tint);
}

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

.callout.success {
  border-left-color: var(--color-success);
  background: var(--blog-success-tint);
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 0.85rem;
  margin-block: 1.5rem;
}

.stat-card {
  position: relative;
  min-width: 0;
  padding: 1.2rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--blog-accent-tint);
}

.stat-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.22rem;
  background: var(--color-accent);
  content: "";
}

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

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

.stat-card:nth-child(3n) {
  background: var(--blog-success-tint);
}

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

.stat-num {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  font-weight: 800;
  line-height: 1.2;
}

.stat-label {
  margin-top: 0.45rem;
  color: var(--color-text-soft);
  font-size: 0.86rem;
  line-height: 1.55;
}

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

.check-list li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
}

.check-list li + li {
  margin-top: 0.55rem;
}

.verdict {
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--color-line);
  border-left: 0.3rem solid var(--color-accent);
  border-radius: var(--radius-xs);
  background: var(--color-panel-soft);
  color: var(--color-text);
}

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

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--color-accent-deep);
  border-radius: var(--radius-md);
  background:
    linear-gradient(125deg, var(--color-accent-deep), var(--color-accent));
  color: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.promo-block::before,
.promo-block::after {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--color-panel) 30%, transparent);
  border-radius: calc(var(--radius-lg) * 8);
  content: "";
  pointer-events: none;
}

.promo-block::before {
  right: -2rem;
  top: -4rem;
  width: 11rem;
  aspect-ratio: 1;
}

.promo-block::after {
  right: 2.5rem;
  top: -1rem;
  width: 7rem;
  aspect-ratio: 1;
}

.promo-copy,
.promo-block > a {
  position: relative;
  z-index: 1;
}

.promo-brand {
  margin-bottom: 0.5rem;
  color: color-mix(in srgb, var(--color-panel) 85%, transparent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.promo-block h2 {
  margin: 0;
  color: var(--color-panel);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  letter-spacing: -0.015em;
  line-height: 1.35;
  text-wrap: pretty;
}

.promo-block p {
  max-width: 38rem;
  margin: 0.75rem 0 0;
  color: color-mix(in srgb, var(--color-panel) 88%, transparent);
  line-height: 1.7;
}

.promo-block .btn-primary {
  flex: 0 0 auto;
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-accent-deep);
}

.promo-block .btn-primary:hover,
.promo-block .btn-primary:focus-visible {
  border-color: var(--color-panel-soft);
  background: var(--color-panel-soft);
  color: var(--color-accent-deep);
}

.related-section {
  padding-top: 3rem;
}

.related-section > h2 {
  margin: 0.35rem 0 1.2rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.related-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  transition:
    border-color var(--blog-ease),
    transform var(--blog-ease),
    box-shadow var(--blog-ease);
}

.related-card h3 {
  margin: 0.85rem 0 0.6rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  line-height: 1.45;
  text-wrap: pretty;
}

.related-card > p {
  display: -webkit-box;
  flex: 1;
  margin: 0 0 1rem;
  overflow: hidden;
  color: var(--color-text-soft);
  font-size: 0.85rem;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.related-card .tag {
  min-height: 1.55rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.68rem;
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.post-nav-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--blog-ease),
    transform var(--blog-ease),
    box-shadow var(--blog-ease);
}

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

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

.post-nav-label {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.post-nav-card strong {
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Article floating CTA component */

.float-cta {
  position: fixed;
  z-index: 40;
  right: max(1rem, var(--gutter));
  bottom: max(1rem, var(--gutter));
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(20rem, calc(100vw - (var(--gutter) * 2)));
  min-height: 3rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-accent-deep);
  border-radius: calc(var(--radius-lg) * 4);
  background: var(--color-accent);
  color: var(--color-panel);
  box-shadow: var(--shadow-panel);
  font-weight: 800;
  text-decoration: none;
  transition:
    background-color var(--blog-ease),
    transform var(--blog-ease),
    box-shadow var(--blog-ease);
}

.float-cta:hover,
.float-cta:focus-visible {
  background: var(--color-accent-deep);
  color: var(--color-panel);
  transform: translateY(-2px);
}

.float-cta svg {
  flex: 0 0 auto;
}

/* Signup modal */

body.modal-visible {
  overflow: hidden;
}

.signup-modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  padding: var(--gutter);
  place-items: center;
  background: var(--blog-overlay);
  opacity: 0;
  transition: opacity var(--blog-ease);
}

.signup-modal.is-open {
  opacity: 1;
}

.signup-modal__panel {
  position: relative;
  width: min(100%, 31rem);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(var(--blog-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--blog-rule) 1px, transparent 1px),
    var(--color-panel);
  background-size: 2.2rem 2.2rem;
  box-shadow: var(--shadow-panel);
  color: var(--color-text);
  opacity: 0;
  transform: translateY(0.75rem) scale(0.98);
  transition:
    opacity var(--blog-ease),
    transform var(--blog-ease);
}

.signup-modal__panel::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0;
  width: 0.3rem;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  content: "";
}

.signup-modal.is-open .signup-modal__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.signup-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  width: 2.4rem;
  aspect-ratio: 1;
  padding: 0;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: calc(var(--radius-lg) * 3);
  background: var(--color-panel);
  color: var(--color-text);
  font: 400 1.5rem/1 var(--font-body);
  cursor: pointer;
}

.signup-modal__close:hover,
.signup-modal__close:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.signup-modal__brand {
  margin: 0 0 0.75rem;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.signup-modal__panel h2 {
  max-width: 24rem;
  margin: 0;
  padding-right: 2rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -0.015em;
  line-height: 1.3;
  text-wrap: pretty;
}

.signup-modal__panel > p:not(.signup-modal__brand) {
  margin: 1rem 0 1.4rem;
  color: var(--color-text-soft);
  line-height: 1.75;
}

.signup-modal__action {
  width: 100%;
  justify-content: center;
}

/* Responsive behavior */

@media (max-width: 860px) {
  .blog-list-hero__grid {
    right: 1.5rem;
    opacity: 0.35;
  }

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

  .blog-article-hero {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .article-hero-meta {
    order: -1;
    width: 100%;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0 0 1rem;
    border-left: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .article-hero-meta > * {
    width: auto;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--color-line);
    border-radius: calc(var(--radius-lg) * 3);
    background: var(--color-panel);
  }

  .article-hero-meta .tag {
    margin: 0;
    border: 1px solid var(--color-accent);
    background: var(--color-accent);
  }

  .article-body table,
  .article-body .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

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

@media (max-width: 640px) {
  .blog-list-hero {
    padding-inline: 1.5rem;
  }

  .blog-list-hero__grid {
    display: none;
  }

  .blog-list-hero h1 .no-break {
    white-space: normal;
  }

  .blog-list-facts {
    gap: 0.45rem;
  }

  .blog-catalog-heading {
    align-items: start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .blog-filter {
    flex-wrap: nowrap;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .blog-filter button {
    flex: 0 0 auto;
  }

  .promo-block {
    align-items: stretch;
    flex-direction: column;
  }

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

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

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

  .float-cta {
    right: var(--gutter);
    bottom: 0.75rem;
    left: var(--gutter);
    justify-content: center;
    max-width: none;
  }
}

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

  .article-card:hover,
  .article-card:focus-within,
  .related-card:hover,
  .related-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible,
  .blog-filter button:hover,
  .blog-filter button:focus-visible,
  .float-cta:hover,
  .float-cta:focus-visible {
    transform: none;
  }
}