:root {
  --blog-reading-width: 56rem;
  --blog-card-lift: -0.25rem;
  --blog-transition-fast: 180ms ease;
  --blog-transition-base: 260ms ease;
}

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

.blog-index-hero {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background:
    radial-gradient(circle at center, var(--color-grid) 1px, transparent 1px),
    var(--color-panel);
  background-size: 1.4rem 1.4rem;
}

.blog-index-hero::before,
.blog-index-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-teal-soft) 55%, transparent);
}

.blog-index-hero::before {
  width: 20rem;
  height: 20rem;
  top: -12rem;
  left: -8rem;
}

.blog-index-hero::after {
  width: 15rem;
  height: 15rem;
  right: -5rem;
  bottom: -10rem;
}

.blog-index-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin-inline: auto;
  padding: clamp(4rem, 8vw, 7rem) var(--gutter);
}

.blog-index-hero h1 {
  max-width: 50rem;
  margin: 1.25rem 0 1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-index-hero p {
  max-width: 44rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-list-section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.blog-list-shell {
  width: min(var(--wide-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.blog-list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.75rem;
}

.blog-list-heading h2 {
  margin: 0.25rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-list-heading > p {
  max-width: 28rem;
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}

.section-kicker {
  margin: 0;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.blog-filter-button {
  min-height: 2.75rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    color var(--blog-transition-fast),
    border-color var(--blog-transition-fast),
    background-color var(--blog-transition-fast),
    transform var(--blog-transition-fast);
}

.blog-filter-button:hover {
  border-color: var(--color-teal);
  color: var(--color-text);
  transform: translateY(-0.1rem);
}

.blog-filter-button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
  outline-offset: 3px;
}

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

.blog-filter-status {
  min-height: 1.5rem;
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 21rem;
  flex-direction: column;
  padding: clamp(1.5rem, 4vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--blog-transition-base),
    border-color var(--blog-transition-base),
    box-shadow var(--blog-transition-base);
}

.article-card::before {
  position: absolute;
  top: 0;
  right: 2rem;
  left: 2rem;
  height: 0.2rem;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--blog-transition-base);
}

.article-card:hover {
  border-color: var(--color-teal-soft);
  box-shadow: var(--shadow-chip);
  transform: translateY(var(--blog-card-lift));
}

.article-card:hover::before {
  transform: scaleX(1);
}

.article-meta,
.related-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.article-tag {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.article-meta-separator {
  color: var(--color-border);
}

.article-card h3 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

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

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.article-summary {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.article-card-link {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  margin-top: auto;
  color: var(--color-accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.article-card-link span {
  display: inline-block;
  transition: transform var(--blog-transition-fast);
}

.article-card:hover .article-card-link span {
  transform: translateX(0.25rem);
}

.blog-empty-state {
  grid-column: 1 / -1;
  padding: 3rem var(--gutter);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-muted);
  text-align: center;
}

.blog-index-promo {
  width: min(var(--wide-width), calc(100% - (var(--gutter) * 2)));
  margin: 0 auto clamp(4rem, 8vw, 7rem);
}

.breadcrumbs,
.article-breadcrumbs {
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin: 0 auto;
  padding: 1.25rem var(--gutter) 1rem;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.breadcrumbs ol,
.article-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after,
.article-breadcrumbs li:not(:last-child)::after {
  margin-left: 0.45rem;
  color: var(--color-border);
  content: "›";
}

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

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

.article-hero {
  position: relative;
  width: 100%;
  margin-inline: auto;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background:
    radial-gradient(circle at center, var(--color-grid) 1px, transparent 1px),
    var(--color-panel);
  background-size: 1.3rem 1.3rem;
}

.article-hero::after {
  position: absolute;
  width: 22rem;
  height: 22rem;
  right: -7rem;
  bottom: -15rem;
  content: "";
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-teal-soft) 58%, transparent);
  pointer-events: none;
}

.article-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin-inline: auto;
  padding: clamp(2.75rem, 7vw, 5rem) var(--gutter);
}

.article-hero-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.article-hero-meta > *:not(:last-child)::after {
  margin-left: 0.4rem;
  color: var(--color-teal);
  content: "·";
}

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

.article-hero-summary {
  max-width: 48rem;
  margin: 1.15rem 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.reading-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin-inline: auto;
  padding: 2.5rem var(--gutter) 1.5rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
  counter-reset: article-section;
}

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

.reading-wrap p {
  margin: 0 0 1.35rem;
}

.reading-wrap h2 {
  position: relative;
  margin: 3.25rem 0 1.15rem;
  padding-top: 0.85rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  counter-increment: article-section;
}

.reading-wrap h2::before {
  display: inline-block;
  min-width: 2.2rem;
  margin-right: 0.65rem;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.72em;
  vertical-align: 0.12em;
  content: counter(article-section, decimal-leading-zero);
}

.reading-wrap h2::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 3rem;
  height: 0.18rem;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.reading-wrap h3 {
  margin: 2.15rem 0 0.9rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.reading-wrap a {
  color: var(--color-accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.reading-wrap strong {
  color: var(--color-text);
}

.reading-wrap ul,
.reading-wrap ol {
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
}

.reading-wrap li {
  margin-bottom: 0.55rem;
}

.reading-wrap blockquote,
.callout {
  position: relative;
  margin: 2rem 0;
  padding: 1.25rem 1.35rem 1.25rem 3.75rem;
  border-left: 0.3rem solid var(--color-teal);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-teal-soft) 32%, var(--color-bg));
  color: var(--color-text);
}

.reading-wrap blockquote::before,
.callout::before {
  position: absolute;
  top: 1.2rem;
  left: 1.15rem;
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-teal);
  color: var(--color-bg);
  content: "i";
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
  font-weight: 800;
}

.callout.warning {
  border-left-color: var(--color-warn);
  background: color-mix(in srgb, var(--color-warn) 12%, var(--color-bg));
}

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

.callout.success {
  border-left-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 11%, var(--color-bg));
}

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

.reading-wrap pre {
  position: relative;
  margin: 2rem 0;
  padding: 3.1rem 1.25rem 1.35rem;
  overflow-x: auto;
  border: 1px solid color-mix(in srgb, var(--color-text) 82%, var(--color-bg));
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.reading-wrap pre::before {
  position: absolute;
  top: 1.15rem;
  left: 1.2rem;
  width: 0.7rem;
  height: 0.7rem;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-error);
  box-shadow:
    1.15rem 0 0 var(--color-warn),
    2.3rem 0 0 var(--color-success);
}

.reading-wrap pre code {
  color: inherit;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.75;
}

.reading-wrap :not(pre) > code {
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--color-panel-strong);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.table-scroll {
  max-width: 100%;
  margin: 2rem 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.reading-wrap table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.reading-wrap th,
.reading-wrap td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.reading-wrap th {
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: 750;
}

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

.reading-wrap tbody tr {
  transition: background-color var(--blog-transition-fast);
}

.reading-wrap tbody tr:hover {
  background: var(--color-panel-strong);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 2rem 0;
}

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

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

.stat-card:nth-child(even) {
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-bg));
}

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

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

.stat-num {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  line-height: 1.2;
}

.stat-label {
  display: block;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.check-list {
  margin: 2rem 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--color-bg);
  list-style: none;
}

.check-list li + li {
  border-top: 1px solid var(--color-border);
}

.verdict {
  margin: 2rem 0;
  padding: 1.15rem 1.25rem;
  border-left: 0.35rem solid var(--color-accent);
  border-radius: var(--radius-sm) var(--radius-md) var(--radius-md) var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-bg));
  color: var(--color-text);
}

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

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin: 2rem auto;
  padding: clamp(1.6rem, 4vw, 2.3rem) var(--gutter);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-teal) 55%, var(--color-text));
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--color-bg) 18%, transparent) 1px, transparent 1px),
    linear-gradient(135deg, var(--color-text), var(--color-teal));
  background-size: 1.25rem 1.25rem, auto;
  color: var(--color-bg);
  box-shadow: var(--shadow-card);
}

.promo-block::after {
  position: absolute;
  width: 12rem;
  height: 12rem;
  right: -4rem;
  bottom: -8rem;
  content: "";
  border: 1px solid color-mix(in srgb, var(--color-bg) 30%, transparent);
  border-radius: var(--radius-pill);
  pointer-events: none;
}

.promo-block > * {
  position: relative;
  z-index: 1;
}

.promo-block h2 {
  margin: 0 0 0.55rem;
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.promo-block p {
  margin: 0;
  color: color-mix(in srgb, var(--color-bg) 82%, var(--color-teal-soft));
  line-height: 1.7;
}

.promo-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.promo-block .btn-primary {
  border-color: var(--color-bg);
  background: var(--color-bg);
  color: var(--color-accent-dark);
  box-shadow: var(--shadow-button);
}

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

.promo-block .btn-secondary {
  border-color: color-mix(in srgb, var(--color-bg) 72%, transparent);
  background: transparent;
  color: var(--color-bg);
}

.promo-block .btn-secondary:hover {
  border-color: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 12%, transparent);
  color: var(--color-bg);
}

#related-posts {
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin-inline: auto;
  padding: 2rem var(--gutter) 1.25rem;
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  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: 0.9rem;
}

.related-card {
  position: relative;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition:
    transform var(--blog-transition-fast),
    border-color var(--blog-transition-fast),
    box-shadow var(--blog-transition-fast);
}

.related-card::before {
  position: absolute;
  top: -1px;
  right: 1rem;
  left: 1rem;
  height: 0.18rem;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--blog-transition-fast);
}

.related-card:hover {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-chip);
  transform: translateY(-0.2rem);
}

.related-card:hover::before {
  transform: scaleX(1);
}

.related-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.related-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.related-card > p:last-child {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + (var(--gutter) * 2));
  margin-inline: auto;
  padding: 1.25rem var(--gutter) 2rem;
}

.post-nav-card {
  display: flex;
  min-width: 0;
  min-height: 7.5rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    transform var(--blog-transition-fast),
    border-color var(--blog-transition-fast),
    background-color var(--blog-transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
  transform: translateY(-0.2rem);
}

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

.post-nav-label {
  margin-bottom: 0.45rem;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.post-nav-card strong {
  line-height: 1.5;
}

.float-cta {
  position: fixed;
  z-index: 30;
  right: max(var(--gutter), env(safe-area-inset-right));
  bottom: max(var(--gutter), env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: var(--shadow-button);
  font-weight: 800;
  text-decoration: none;
  transition:
    transform var(--blog-transition-fast),
    background-color var(--blog-transition-fast);
}

.float-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-0.15rem);
}

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

.has-signup-modal {
  overflow: hidden;
}

.signup-modal-backdrop {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  padding: var(--gutter);
  place-items: center;
  background: color-mix(in srgb, var(--color-text) 62%, transparent);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--blog-transition-fast),
    visibility var(--blog-transition-fast);
}

.signup-modal-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.signup-modal-backdrop.is-closing {
  opacity: 0;
}

.signup-modal {
  position: relative;
  width: min(100%, 31rem);
  padding: clamp(1.75rem, 5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at center, var(--color-grid) 1px, transparent 1px),
    var(--color-bg);
  background-size: 1.25rem 1.25rem;
  box-shadow: var(--shadow-card);
  color: var(--color-text);
  text-align: center;
  transform: translateY(1rem) scale(0.98);
  transition: transform var(--blog-transition-base);
}

.signup-modal::before {
  position: absolute;
  inset: 0 0 auto;
  height: 0.3rem;
  content: "";
  background: linear-gradient(90deg, var(--color-teal), var(--color-accent));
}

.signup-modal-backdrop.is-visible .signup-modal {
  transform: translateY(0) scale(1);
}

.signup-modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition:
    color var(--blog-transition-fast),
    border-color var(--blog-transition-fast),
    transform var(--blog-transition-fast);
}

.signup-modal-close:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  transform: rotate(4deg);
}

.signup-modal-brand {
  margin: 0 0 1.1rem;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.signup-modal h2 {
  margin: 0 0 0.85rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.signup-modal h2 + p {
  margin: 0 auto 1rem;
  color: var(--color-muted);
  line-height: 1.75;
}

.signup-modal-facts {
  margin: 0 0 1.35rem;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.signup-modal-action {
  width: 100%;
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

.signup-modal-action:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
  color: var(--color-bg);
}

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

  .article-card {
    min-height: auto;
  }

  .blog-list-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

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

  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .promo-actions {
    width: 100%;
  }

  .promo-actions .btn {
    flex: 1 1 auto;
  }
}

@media (max-width: 620px) {
  .blog-index-hero-inner,
  .article-hero-inner {
    padding-inline: max(1.5rem, var(--gutter));
  }

  .article-grid {
    gap: 0.9rem;
  }

  .article-card {
    padding: 1.3rem;
  }

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

  .post-nav-card.is-next {
    grid-column: auto;
    text-align: left;
  }

  .float-cta {
    right: var(--gutter);
    bottom: var(--gutter);
    max-width: calc(100vw - (var(--gutter) * 2));
    min-height: 2.8rem;
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
  }

  .reading-wrap blockquote,
  .callout {
    padding: 3.25rem 1rem 1rem;
  }

  .reading-wrap blockquote::before,
  .callout::before {
    top: 1rem;
    left: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .article-card::before,
  .article-card-link span,
  .blog-filter-button,
  .related-card,
  .related-card::before,
  .post-nav-card,
  .float-cta,
  .signup-modal-backdrop,
  .signup-modal,
  .signup-modal-close {
    transition: none;
  }

  .article-card:hover,
  .blog-filter-button:hover,
  .related-card:hover,
  .post-nav-card:hover,
  .float-cta:hover,
  .signup-modal-close:hover,
  .signup-modal-backdrop.is-visible .signup-modal {
    transform: none;
  }
}