/*
 * Sistemas Venezuela — article.css v1
 * Extensión de index.css para páginas de artículo/blog.
 * No duplica estilos del sistema de diseño base.
 */

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.breadcrumb a:hover { color: var(--persian-blue); }

.breadcrumb-sep {
  opacity: 0.45;
  font-size: 11px;
}

.breadcrumb span:last-child {
  color: var(--ink);
  font-weight: 500;
}

/* ── HERO DEL ARTÍCULO ── */
.article-hero {
  position: relative;
  padding: 100px 0 48px;
  overflow: hidden;
  text-align: center;
}

.article-hero .bg-glow-top {
  top: -300px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: 860px;
  height: 560px;
}

.article-hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.article-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--persian-blue);
  background: var(--surface-blue);
  border: 1px solid rgba(7, 42, 200, 0.14);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.article-h1 {
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 18px;
}

.article-lead {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 24px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: 12.5px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ── PROSE (cuerpo del artículo) ── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 52px;
  align-items: start;
  padding: 52px 0 72px;
}

.article-body {
  min-width: 0;
}

.prose {
  font-size: 16.5px;
  line-height: 1.75;
  color: #1e2535;
}

.prose h2 {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 14px;
  line-height: 1.25;
}

.prose h2:first-child { margin-top: 0; }

.prose h3 {
  font-size: 17.5px;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 10px;
}

.prose p { margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }

.prose strong { font-weight: 650; color: var(--ink); }

.prose a {
  color: var(--persian-blue);
  text-decoration: underline;
  text-decoration-color: rgba(7, 42, 200, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.prose a:hover { text-decoration-color: var(--persian-blue); }

.prose ul, .prose ol {
  margin: 14px 0 20px;
  padding-left: 0;
  list-style: none;
}

.prose ul li, .prose ol li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 9px;
  font-size: 16px;
}

.prose ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dodger-blue);
  opacity: 0.7;
}

.prose ol {
  counter-reset: prose-counter;
}

.prose ol li {
  counter-increment: prose-counter;
}

.prose ol li::before {
  content: counter(prose-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--persian-blue);
  background: var(--surface-blue);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
  line-height: 1;
}

/* Callout / bloque destacado */
.callout {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  margin: 28px 0;
  background: var(--surface-blue);
  border-left: 3px solid var(--persian-blue);
}

.callout-icon {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--persian-blue);
}

.callout-body {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

.callout-body strong { color: var(--persian-blue); }

/* Callout variante amarilla (tip/insight) */
.callout-tip {
  background: var(--surface-yellow);
  border-left-color: var(--school-bus-yellow);
}

.callout-tip .callout-icon { color: #8A6400; }

/* CTA inline dentro del artículo */
.inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  background: var(--navy);
  border-radius: var(--radius-lg);
  margin: 36px 0;
  flex-wrap: wrap;
}

.inline-cta-text {
  flex: 1;
}

.inline-cta-text strong {
  display: block;
  font-size: 16px;
  font-weight: 650;
  color: #fff;
  margin-bottom: 4px;
}

.inline-cta-text span {
  font-size: 13.5px;
  color: var(--text-on-dark-muted);
}

/* ── SIDEBAR ── */
.article-sidebar {
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-widget {
  background: var(--surface-tint);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.sidebar-widget-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* TOC (tabla de contenidos) */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  border-bottom: 1px solid var(--line);
}

.toc-list li:last-child { border-bottom: none; }

.toc-list a {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 0;
  line-height: 1.4;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.toc-list a:hover {
  color: var(--persian-blue);
  padding-left: 4px;
}

/* Card de sistema en sidebar */
.sidebar-system-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-system-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.sidebar-system-link:hover {
  border-color: rgba(30, 150, 252, 0.4);
  background: var(--surface-blue);
}

.sidebar-system-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--surface-icy);
  color: var(--persian-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-system-info strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.sidebar-system-info span {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ── HUB DE BLOG (índice) ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 8px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(30, 150, 252, 0.35);
}

.blog-card-cat {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--persian-blue);
  margin-bottom: 10px;
}

.blog-card-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 10px;
}

.blog-card-excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 16px;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.blog-card-arrow {
  color: var(--persian-blue);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── ARTÍCULOS RELACIONADOS ── */
.related-articles {
  padding: 56px 0;
  background: var(--surface-tint);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-sidebar { position: static; }

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

@media (max-width: 580px) {
  .related-grid { grid-template-columns: 1fr; }

  .article-meta { gap: 10px; }

  .inline-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}