/* ============================================================
   Hardware Shortage Intelligence — Article Pages
   Design Language: matches the sx1.nl brand system
   ============================================================ */

/* --- Article Index Header --- */
.article-index-header {
  padding: 8rem 0 3rem;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-graphite-900));
  text-align: center;
}

.article-index-header .overline {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.75rem;
}

.article-index-header h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.article-index-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Article Index Grid --- */
.article-index-section {
  background: var(--color-graphite-100);
}

.article-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* Featured article (first card) spans full width with larger styling */
.article-card-featured {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.article-card-featured:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.article-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-card-category {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(15, 90, 188, 0.08);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.article-card h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.3;
  margin: 0;
}

.article-card h2 a {
  color: var(--color-graphite-900);
  text-decoration: none;
  transition: color var(--transition);
}

.article-card h2 a:hover {
  color: var(--color-primary);
}

.article-card-standfirst {
  color: var(--color-graphite-500);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-graphite-500);
  margin-top: auto;
  padding-top: 0.5rem;
}

.meta-sep {
  opacity: 0.5;
}

/* --- Article Single Page Header --- */
.article-header {
  padding: 7rem 0 3rem;
  background: linear-gradient(to bottom, var(--color-graphite-900), var(--color-graphite-700));
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.article-breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.article-breadcrumb span {
  color: rgba(255, 255, 255, 0.3);
}

.article-category-chip {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.article-header h1 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* --- Article Body / Prose --- */
.article-body {
  padding: 3rem 0 4rem;
  background: var(--color-white);
}

.article-prose {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-graphite-700);
}

.article-prose h1 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--color-graphite-900);
}

.article-prose h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-graphite-900);
  padding-top: 1rem;
}

.article-prose h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-graphite-900);
}

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

.article-prose hr.article-hr {
  border: none;
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  margin: 2rem 0;
}

.article-prose strong {
  color: var(--color-graphite-900);
  font-weight: 600;
}

.article-prose em {
  font-style: italic;
  color: var(--color-graphite-700);
}

.article-prose ul.article-list {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-prose ul.article-list li {
  margin-bottom: 0.5rem;
  position: relative;
}

.article-prose ul.article-list li::marker {
  color: var(--color-primary);
}

.article-prose ol.article-sources {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  counter-reset: source-counter;
}

.article-prose ol.article-sources li {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-graphite-500);
}

.article-prose ol.article-sources li a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(15, 90, 188, 0.3);
  text-underline-offset: 2px;
}

.article-prose ol.article-sources li a:hover {
  color: var(--color-dell-blue);
}

.article-prose a.article-ref {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(15, 90, 188, 0.3);
  text-underline-offset: 2px;
  font-weight: 500;
}

.article-prose a.article-ref:hover {
  color: var(--color-dell-blue);
}

.article-prose sup.source-ref {
  font-size: 0.8em;
  vertical-align: super;
}

.article-prose sup.source-ref a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(15, 90, 188, 0.3);
}

.article-prose sup.source-ref a:hover {
  color: var(--color-dell-blue);
  border-bottom-color: var(--color-dell-blue);
}

/* --- Article Back Section --- */
.article-back {
  padding: 2rem 0 3rem;
  background: var(--color-graphite-100);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.back-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), color var(--transition);
}

.back-link:hover {
  color: var(--color-dell-blue);
  box-shadow: var(--shadow-hover);
}

/* --- Related Articles Section --- */
.article-index-related {
  background: var(--color-graphite-100);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.related-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.related-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.related-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-graphite-900);
}

.related-card p {
  font-size: 0.9rem;
  color: var(--color-graphite-500);
  line-height: 1.6;
  margin: 0;
}

/* --- Responsive: Article Index Grid --- */
@media (min-width: 768px) {
  .article-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-card-featured {
    grid-column: 1 / -1;
  }

  .article-card-featured h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
  }

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

@media (min-width: 1024px) {
  .article-index-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .article-card-featured {
    grid-column: 1 / -1;
    grid-row: span 2;
  }

  .article-card-featured h2 {
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  }

  .article-card-featured .article-card-standfirst {
    font-size: 1.05rem;
  }
}

/* --- Mobile Nav Analysis Link --- */
@media (max-width: 768px) {
  .article-index-header {
    padding: 6rem 0 2rem;
  }

  .article-header {
    padding: 6rem 0 2rem;
  }

  .article-body {
    padding: 2rem 0 3rem;
  }

  .article-prose {
    font-size: 1rem;
  }

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