.articles-shell-main {
  background-color: var(--color-bg-dark);
}

/* main.css applies "opacity: 0; transform: translateY(20px)" to every "main section",
   then the home-page IntersectionObserver in app.js flips them to is-visible.
   /articles/ pages don't load app.js, so override here. */
main section.articles-filters,
main section.articles-grid {
  opacity: 1;
  transform: none;
}

.articles-page-title-container {
  max-width: 94%;
  margin: 0 auto;
  padding-top: 9rem;
  padding-bottom: 2rem;
}

.articles-heading {
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: clamp(3rem, 7vw, 5rem);
  background: var(--color-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}

.articles-hero-intro {
  font-weight: 200;
  color: var(--color-text-light);
  max-width: 60ch;
  font-size: 1.15rem;
  line-height: 1.6;
}

.articles-filters {
  max-width: 94%;
  margin: 0 auto 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip,
.filter-segment {
  font-family: 'Manrope', sans-serif;
  font-weight: 400;
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.filter-chip:hover,
.filter-segment:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-chip.active,
.filter-segment.active {
  background: var(--color-gradient);
  color: var(--color-text-primary);
  border-color: transparent;
}

.filter-segment {
  border-radius: 6px;
}

.filter-audience {
  background: var(--color-bg-dark-alt);
  padding: 0.25rem;
  border-radius: 8px;
}

/* Card grid */

.articles-grid {
  max-width: 94%;
  margin: 0 auto 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.articles-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-secondary);
  font-weight: 200;
  padding: 3rem 1rem;
}

.articles-error {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-primary);
  border: 1px solid var(--color-primary-alpha-40);
  border-radius: 8px;
  background: var(--color-bg-dark-alt);
  font-weight: 400;
  padding: 2rem 1rem;
}

.article-card {
  background: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text-light);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.article-card.card-tentpole {
  grid-column: span 2;
}

@media (max-width: 700px) {
  .article-card.card-tentpole {
    grid-column: span 1;
  }
}

.card-hero {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-card .card-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-text-light);
  text-align: left;
  margin: 0;
}

.article-card .card-deck {
  font-weight: 200;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0.6rem 0 0;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  font-weight: 400;
}

.card-tag,
.card-audience {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
}

.card-audience {
  background: var(--color-bg-dark);
}

.card-reading {
  margin-left: auto;
  color: var(--color-text-muted);
}

/* Per-article shell */

.article-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 9rem 1.5rem 4rem;
  font-family: 'Manrope', sans-serif;
  color: var(--color-text-light);
}

.article-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.article-back {
  color: var(--color-text-secondary);
  font-weight: 400;
}

.article-back:hover {
  color: var(--color-primary);
}

.article-tags {
  display: flex;
  gap: 0.4rem;
}

.article-title {
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.article-deck {
  font-weight: 200;
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.article-byline {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.article-body {
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-body h2 {
  font-weight: 500;
  font-size: 1.6rem;
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
}

.article-body h3 {
  font-weight: 500;
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-alpha-40);
  text-underline-offset: 0.2em;
}

.article-body a:hover {
  text-decoration-color: var(--color-primary);
}

.article-body code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  background: var(--color-bg-dark-alt);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-body pre {
  background: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.article-body pre code {
  background: transparent;
  padding: 0;
}

.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 1rem;
  color: var(--color-text-secondary);
  margin: 1.5rem 0;
  font-style: italic;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
  list-style: disc;
}

.article-body ol li {
  list-style: decimal;
}

.article-body img,
.article-body svg {
  max-width: 100%;
  margin: 1.5rem 0;
  border-radius: 8px;
}

.article-figure {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-figure svg {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-dark);
}

.article-figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  background: var(--color-bg-dark);
}

.article-run-artifact {
  display: block;
}

.article-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 200;
  text-align: center;
  line-height: 1.4;
}

.article-callout {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg-dark-alt);
}

.article-callout p {
  margin: 0;
  color: var(--color-text-light);
}

.article-data-table {
  width: 100%;
  margin: 1.5rem 0 2rem;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.5;
}

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

.article-data-table th {
  color: var(--color-text-light);
  font-weight: 500;
  background: var(--color-bg-dark-alt);
}

.article-data-table td {
  color: var(--color-text-secondary);
  font-weight: 300;
}

.article-data-figure {
  margin: 2rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.data-figure-header {
  margin-bottom: 1rem;
}

.data-figure-header h3 {
  margin: 0 0 0.35rem;
}

.data-figure-header p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}

.metric-card {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-dark-alt);
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.metric-card strong {
  display: block;
  color: var(--color-text-light);
  font-size: 1.7rem;
  line-height: 1.1;
  margin: 0.25rem 0;
  font-weight: 500;
}

.score-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.score-row {
  display: grid;
  grid-template-columns: minmax(8rem, 1.2fr) minmax(8rem, 2fr) auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.86rem;
}

.score-label {
  color: var(--color-text-secondary);
  font-weight: 400;
}

.score-row-best .score-label,
.score-row-best .score-value {
  color: var(--color-primary);
}

.score-track {
  height: 0.65rem;
  border-radius: 999px;
  background: var(--color-bg-dark-alt);
  overflow: hidden;
}

.score-fill {
  display: block;
  width: var(--score-width);
  height: 100%;
  border-radius: inherit;
  background: var(--color-gradient);
}

.score-value {
  color: var(--color-text-light);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
}

.accuracy-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.accuracy-strip span {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

.accuracy-strip strong {
  color: var(--color-text-light);
  font-weight: 500;
}

.article-related {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.article-related h2 {
  font-weight: 500;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Footer for articles section */
.articles-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.articles-footer a {
  color: var(--color-primary);
}

/* Mobile breakpoints */
@media (max-width: 768px) {
  .articles-page-title-container {
    padding-top: 7rem;
  }

  .filter-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-shell {
    padding-top: 7rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .article-data-table {
    display: block;
  }

  .article-data-table thead {
    display: none;
  }

  .article-data-table tbody,
  .article-data-table tr,
  .article-data-table td {
    display: block;
    width: 100%;
  }

  .article-data-table tr {
    border: 1px solid var(--color-border);
    margin-bottom: 0.8rem;
  }

  .article-data-table td {
    border: 0;
    display: block;
  }

  .article-data-table td + td {
    border-top: 1px solid var(--color-border);
  }

  .article-data-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-text-light);
    font-weight: 500;
  }

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

  .score-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (max-width: 375px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .article-card,
  .filter-chip,
  .filter-segment {
    transition: none;
  }
}