/* ==========================================================================
   PRO AIC AUTOMATIZACIÓN - TECHNICAL ARTICLE & DOSSIER STYLESHEET
   Optimizada para máxima legibilidad, Core Web Vitals y jerarquía semántica
   css/article.css
   ========================================================================== */

/* 1. Header & Breadcrumbs */
.article-page-header {
  padding-top: 140px;
  padding-bottom: 32px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--brand-navy);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.article-breadcrumb .sep {
  color: var(--border-color);
  user-select: none;
}

.article-breadcrumb .current {
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}

/* 2. Hero Elements */
.article-header-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--brand-orange-subtle);
  border: 1px solid rgba(194, 84, 26, 0.25);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-orange);
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--brand-navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
  color: var(--text-muted);
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta-item strong {
  color: var(--brand-navy);
  font-weight: 600;
}

/* 3. Featured Image */
.article-featured-media {
  max-width: 960px;
  margin: 0 auto 48px auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 16px 36px -12px rgba(10, 25, 47, 0.12);
  background: #0A192F;
}

.article-featured-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  display: block;
}

/* 4. Article Body Layout */
.article-main-section {
  padding: 32px 0 80px 0;
  background: #FFFFFF;
}

.article-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

/* 5. Table of Contents (TOC) */
.article-toc-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--brand-orange);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 40px;
}

.article-toc-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.article-toc-item a {
  color: #334155;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  transition: color var(--transition-fast);
}

.article-toc-item a:hover {
  color: var(--brand-orange);
  text-decoration: underline;
}

.article-toc-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-orange);
}

/* 6. Typography & Content */
.article-content {
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.82;
  color: #2D3748;
}

.article-content p {
  margin-bottom: 24px;
  color: #334155;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.5vw, 2.05rem);
  font-weight: 700;
  color: var(--brand-navy);
  margin-top: 48px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(194, 84, 26, 0.25);
  scroll-margin-top: 110px;
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 1.8vw, 1.45rem);
  font-weight: 600;
  color: var(--brand-navy-light);
  margin-top: 32px;
  margin-bottom: 12px;
  scroll-margin-top: 110px;
}

.article-content ul,
.article-content ol {
  margin: 16px 0 28px 24px;
  padding-left: 8px;
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.75;
  color: #334155;
}

.article-content strong {
  color: var(--brand-navy);
  font-weight: 700;
}

.article-content a {
  color: var(--brand-orange);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.article-content a:hover {
  color: var(--brand-orange-hover);
  text-decoration-thickness: 2px;
}

.article-content blockquote {
  border-left: 4px solid var(--brand-orange);
  background: var(--bg-secondary);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
  font-style: italic;
  color: #1E293B;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 7. Contextual Callout CTA */
.article-contextual-cta {
  background: linear-gradient(135deg, #0A192F 0%, #162B4D 100%);
  border-radius: 16px;
  padding: 32px 36px;
  margin: 48px 0;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid rgba(194, 84, 26, 0.4);
  box-shadow: 0 14px 28px rgba(10, 25, 47, 0.18);
}

.article-contextual-cta-badge {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #D97745;
}

.article-contextual-cta-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
}

.article-contextual-cta-text {
  font-size: 0.98rem;
  line-height: 1.65;
  color: #CBD5E1;
  margin: 0;
}

.article-contextual-cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
}

.article-contextual-cta-actions .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--brand-orange);
  color: #FFFFFF !important;
  padding: 13px 24px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--brand-orange);
  box-shadow: 0 4px 14px rgba(224, 90, 27, 0.35);
  transition: all 0.25s ease;
}

.article-contextual-cta-actions .btn-primary:hover {
  background-color: var(--brand-orange-hover);
  border-color: var(--brand-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 90, 27, 0.5);
  color: #FFFFFF !important;
}

.article-contextual-cta-actions .btn-outline,
.article-contextual-cta-actions .btn-whatsapp-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF !important;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  padding: 13px 22px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.article-contextual-cta-actions .btn-outline:hover,
.article-contextual-cta-actions .btn-whatsapp-cta:hover {
  background: #25D366;
  border-color: #25D366;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.4);
}

.article-contextual-cta-actions .btn-outline svg,
.article-contextual-cta-actions .btn-whatsapp-cta svg {
  color: #25D366;
  flex-shrink: 0;
  transition: color 0.2s ease, transform 0.2s ease;
}

.article-contextual-cta-actions .btn-outline:hover svg,
.article-contextual-cta-actions .btn-whatsapp-cta:hover svg {
  color: #FFFFFF;
  transform: scale(1.1);
}

/* 8. Author & E-E-A-T Card (Ing. Luis Contreras) */
.article-author-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-author-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--brand-navy);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--transition-fast);
}

.article-author-link:hover {
  color: var(--brand-orange);
}

.linkedin-inline-icon {
  color: #0A66C2;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.article-author-link:hover .linkedin-inline-icon {
  transform: scale(1.15);
}

.verified-author-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.author-byline-photo {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--brand-orange);
  display: inline-block;
  vertical-align: middle;
  margin-right: 3px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

/* Rectangular Author Bio Card */
.article-author-card {
  margin-top: 56px;
  padding: clamp(24px, 3.5vw, 36px);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 32px;
  box-shadow: 0 10px 30px rgba(10, 25, 47, 0.06);
  position: relative;
  overflow: hidden;
}

.article-author-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, var(--brand-orange) 0%, #0A66C2 100%);
}

.article-author-media {
  position: relative;
  flex-shrink: 0;
  width: 200px;
}

.article-author-portrait-img {
  width: 200px;
  height: 240px;
  object-fit: cover;
  object-position: center top;
  border-radius: 14px;
  border: 2px solid rgba(224, 90, 27, 0.4);
  box-shadow: 0 10px 24px rgba(10, 25, 47, 0.12);
  display: block;
  background-color: #0A192F;
}

.author-photo-badge {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(10, 25, 47, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(16, 185, 129, 0.5);
  border-radius: 999px;
  color: #10B981;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.author-photo-badge svg {
  color: #10B981;
  flex-shrink: 0;
}

.author-photo-badge span {
  color: #FFFFFF;
}

.article-author-info {
  flex-grow: 1;
  min-width: 0;
}

.article-author-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.article-author-titles {
  flex-grow: 1;
  min-width: 220px;
}

.author-kicker {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-orange);
  margin-bottom: 3px;
}

.article-author-name {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--brand-navy);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.article-author-role {
  font-size: 0.88rem;
  font-weight: 600;
  color: #475569;
  margin: 0;
  line-height: 1.4;
}

.btn-author-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #0A66C2;
  color: #FFFFFF !important;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(10, 102, 194, 0.25);
  flex-shrink: 0;
}

.btn-author-linkedin:hover {
  background: #004182;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 102, 194, 0.35);
  color: #FFFFFF !important;
}

.article-author-bio {
  font-size: 0.94rem;
  line-height: 1.65;
  color: #334155;
  margin: 0 0 16px;
}

.author-expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.expertise-tag {
  font-size: 0.74rem;
  font-weight: 600;
  color: #334155;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: 'Barlow', sans-serif;
  letter-spacing: 0.02em;
}

/* 9. Article Navigation Footer */
.article-nav-footer {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.article-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.article-nav-back:hover {
  color: var(--brand-orange);
}

/* 10. Related Articles Section */
.related-articles-section {
  padding: 64px 0 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 36px;
}

.related-article-card {
  background: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-decoration: none;
  color: inherit;
}

.related-article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(194, 84, 26, 0.4);
}

.related-article-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: #0A192F;
}

.related-article-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.related-article-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.related-article-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--brand-navy);
  margin-bottom: 10px;
}

.related-article-excerpt {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: auto;
}

/* 11. Responsive Adjustments */
@media (max-width: 768px) {
  .article-page-header {
    padding-top: 110px;
  }
  .article-title {
    font-size: 1.85rem;
  }
  .article-author-card {
    flex-direction: column;
    text-align: center;
    padding: 28px 20px;
    gap: 20px;
  }
  .article-author-media {
    width: 180px;
    margin: 0 auto;
  }
  .article-author-portrait-img {
    width: 180px;
    height: 215px;
    margin: 0 auto;
  }
  .article-author-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
  .article-author-titles {
    min-width: 0;
  }
  .author-expertise-tags {
    justify-content: center;
  }
  .article-contextual-cta {
    padding: 24px;
  }
  .article-contextual-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .article-contextual-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}