:root {
  --blog-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.28);
  --blog-shadow-hover: 0 1.75rem 4.5rem rgba(0, 0, 0, 0.38);
  --blog-overlay: rgba(11, 11, 12, 0.72);
  --blog-accent-soft: rgba(240, 68, 62, 0.14);
  --blog-accent-medium: rgba(240, 68, 62, 0.32);
  --blog-text-overlay: rgba(250, 250, 248, 0.82);
  --blog-focus-ring: rgba(240, 68, 62, 0.42);
  --blog-transition-fast: 160ms ease;
  --blog-transition-base: 240ms ease;
}

.blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(28rem, 1.22fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  min-height: calc(100vh - var(--header-height));
}

.blog-hero-copy {
  position: relative;
  z-index: 1;
}

.blog-hero h1 {
  max-width: 11ch;
  margin: 0.75rem 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-hero-copy > p {
  max-width: 36rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.blog-screen {
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--blog-shadow);
}

.blog-screen-chrome {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 3rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.blog-screen-chrome span {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: var(--radius-pill);
  background: var(--color-border-strong);
}

.blog-screen-chrome span:first-child {
  background: var(--color-accent);
}

.blog-screen-chrome b {
  min-width: 0;
  margin-left: auto;
  overflow: hidden;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-screen-frame {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--color-bg), var(--color-panel-raised)),
    var(--color-panel);
}

.blog-screen-frame::before,
.blog-screen-frame::after {
  position: absolute;
  content: "";
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.blog-screen-frame::before {
  width: 72%;
  aspect-ratio: 1;
}

.blog-screen-frame::after {
  width: 48%;
  aspect-ratio: 1;
}

.blog-pixel-mark {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.blog-pixel-mark span:last-child {
  color: var(--color-accent);
}

.blog-route-line {
  position: absolute;
  right: 7%;
  bottom: 14%;
  left: 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 0.2rem;
  background: var(--color-accent);
}

.blog-route-line i {
  width: 0.9rem;
  height: 0.9rem;
  border: 0.2rem solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
}

.blog-screen-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.blog-library {
  padding-bottom: var(--section-space);
}

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

.blog-library-heading h2 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-result-status {
  flex: 0 0 auto;
  margin: 0;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.blog-filter {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  margin-bottom: 2rem;
  padding: 0.35rem 0 0.8rem;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-strong) var(--color-panel);
}

.blog-filter-button {
  flex: 0 0 auto;
  min-height: 2.55rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    border-color var(--blog-transition-fast),
    background-color var(--blog-transition-fast),
    color var(--blog-transition-fast);
}

.blog-filter-button:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.blog-filter-button:focus-visible {
  outline: 0.2rem solid var(--blog-focus-ring);
  outline-offset: 0.15rem;
}

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

.blog-list {
  display: grid;
  gap: 1rem;
}

.blog-article-card {
  display: grid;
  grid-template-columns: minmax(14rem, 0.42fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  transition:
    border-color var(--blog-transition-base),
    background-color var(--blog-transition-base),
    transform var(--blog-transition-base),
    box-shadow var(--blog-transition-base);
}

.blog-article-card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-panel-raised);
  box-shadow: var(--blog-shadow-hover);
  transform: translateY(-0.2rem);
}

.blog-card-visual {
  position: relative;
  min-height: 15rem;
  overflow: hidden;
  border-right: 1px solid var(--color-border);
  background:
    linear-gradient(135deg, var(--color-panel-raised), var(--color-bg)),
    var(--color-panel);
}

.blog-card-visual::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 55%;
  aspect-ratio: 1;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  content: "";
  transform: translate(-50%, -50%);
}

.blog-card-visual-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.blog-card-visual-route {
  position: absolute;
  right: 1rem;
  bottom: 1.2rem;
  left: 1rem;
  height: 0.18rem;
  background: var(--color-accent);
}

.blog-card-visual-route::before,
.blog-card-visual-route::after {
  position: absolute;
  top: 50%;
  width: 0.7rem;
  height: 0.7rem;
  border: 0.16rem solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  content: "";
  transform: translateY(-50%);
}

.blog-card-visual-route::before {
  left: 18%;
}

.blog-card-visual-route::after {
  right: 20%;
}

.blog-card-body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.4rem, 4vw, 2.6rem);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  margin-bottom: 0.85rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.article-meta time {
  flex: 0 0 auto;
}

.article-meta .tag,
.tag {
  display: inline-block;
  max-width: 12rem;
  overflow: hidden;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--blog-accent-medium);
  border-radius: var(--radius-pill);
  background: var(--blog-accent-soft);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.76rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-card-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  line-height: 1.38;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-card-body p {
  max-width: 45rem;
  margin: 0.9rem 0 1.25rem;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

.article-link {
  width: fit-content;
  color: var(--color-text);
  font-weight: 650;
  text-decoration: none;
}

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

.blog-empty {
  margin: 0;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  text-align: center;
}

.blog-index-promo,
.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(120deg, var(--color-panel), var(--color-panel-raised)),
    var(--color-panel);
}

.blog-index-promo h2 {
  margin: 0.45rem 0 0.65rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.blog-index-promo p,
.promo-block p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.blog-index-promo-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 0.75rem;
}

/* Article pages */
.breadcrumb,
.article-breadcrumb {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.breadcrumb ol,
.article-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li,
.article-breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb li:not(:last-child)::after,
.article-breadcrumb li:not(:last-child)::after {
  color: var(--color-border-strong);
  content: "/";
}

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

.breadcrumb a:hover,
.article-breadcrumb a:hover {
  color: var(--color-text);
}

.article-hero {
  max-width: var(--article-width);
  margin-inline: auto;
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.article-hero .article-meta {
  margin-bottom: 1.2rem;
}

.article-hero h1 {
  max-width: 22ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-deck,
.article-summary {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(11rem, 0.28fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
}

.article-layout .toc-tabs,
.article-toc {
  position: sticky;
  top: var(--toc-top);
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.article-layout .toc-tabs a,
.article-toc a {
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-xs);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.45;
  text-decoration: none;
}

.article-layout .toc-tabs a:hover,
.article-layout .toc-tabs a.is-active,
.article-toc a:hover,
.article-toc a.is-active {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.article-content,
.article-body {
  width: 100%;
  max-width: 48rem;
  min-width: 0;
  margin-inline: auto;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
}

.article-content h2,
.article-body h2 {
  margin: 3.2rem 0 1rem;
  padding-top: 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-content h3,
.article-body h3 {
  margin: 2.2rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2.4vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.005em;
  text-wrap: pretty;
}

.article-content p,
.article-body p {
  margin: 1rem 0;
}

.article-content a,
.article-body a {
  color: var(--color-accent);
  text-underline-offset: 0.18em;
}

.article-content ul,
.article-content ol,
.article-body ul,
.article-body ol {
  margin: 1.1rem 0;
  padding-left: 1.4rem;
}

.article-content li,
.article-body li {
  margin: 0.5rem 0;
  padding-left: 0.2rem;
}

.article-content blockquote,
.article-body blockquote {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  border-left: 0.22rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
  color: var(--color-text-muted);
}

.article-content pre,
.article-body pre {
  overflow-x: auto;
  margin: 1.5rem 0;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
}

.article-content code,
.article-body code {
  font-family: var(--font-mono);
}

.article-content :not(pre) > code,
.article-body :not(pre) > code {
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-xs);
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-size: 0.9em;
}

.article-content hr,
.article-body hr {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.promo-block {
  max-width: 48rem;
  margin: 3.5rem auto 0;
}

.promo-brand {
  margin-bottom: 0.45rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 750;
}

#related-posts {
  max-width: 48rem;
  margin: 4rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-heading {
  margin-bottom: 1.25rem;
}

.related-heading h2 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  gap: 0.8rem;
}

.related-card {
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition:
    border-color var(--blog-transition-fast),
    background-color var(--blog-transition-fast);
}

.related-card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-panel-raised);
}

.related-card h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.5;
  letter-spacing: -0.005em;
  text-wrap: pretty;
}

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

.related-card h3 a:hover {
  color: var(--color-accent);
}

.related-card p {
  margin: 0.65rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  max-width: 48rem;
  margin: 1.5rem auto 4rem;
}

.post-nav-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--blog-transition-fast),
    background-color var(--blog-transition-fast);
}

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

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

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

.post-nav-card strong {
  font-size: 0.98rem;
  line-height: 1.55;
  letter-spacing: 0;
  text-wrap: pretty;
}

@media (max-width: 900px) {
  .blog-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .blog-hero-copy {
    max-width: 42rem;
  }

  .blog-hero h1 {
    max-width: 15ch;
  }

  .blog-screen {
    width: 100%;
  }

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

  .article-layout .toc-tabs,
  .article-toc {
    position: sticky;
    z-index: 2;
    top: var(--header-height);
    display: flex;
    overflow-x: auto;
    padding: 0.65rem;
    border-radius: var(--radius-sm);
  }

  .article-layout .toc-tabs a,
  .article-toc a {
    flex: 0 0 auto;
    white-space: nowrap;
  }
}

@media (max-width: 700px) {
  .blog-hero {
    gap: 2rem;
  }

  .blog-screen-caption {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  .blog-card-visual {
    min-height: auto;
    aspect-ratio: 16 / 7;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

  .blog-index-promo-actions {
    flex-wrap: wrap;
  }

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

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

.float-cta {
  position: fixed;
  z-index: 20;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 700;
  box-shadow: var(--blog-shadow);
}

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

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

  .blog-article-card:hover {
    transform: none;
  }
}