/* ============================================================
   DPTech Blog — Estilos
   Hereda variables CSS de /assets/css/theme/base.css
   ============================================================ */

/* ── Layout global del blog ─────────────────────────────── */

.blog-body {
  background-color: var(--color-body);
  color: var(--color-text);
  font-family: var(--font-family-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.blog-main {
  flex: 1;
  width: 100%;
}

/* ── Blog header ─────────────────────────────────────────── */

.blog-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-body);
  border-bottom: 1px solid var(--color-border);
}

.blog-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.blog-logo-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.blog-logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.blog-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.blog-site-name {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-heading);
  text-decoration: none;
  white-space: nowrap;
}

.blog-separator {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: 0 2px;
}

.blog-section-label {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.blog-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Links de nav — estilo igual al main site */
.blog-nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.blog-nav-link:hover {
  color: var(--color-primary);
}

/* CTA Contacto — mismo pill que antes pero más alineado al site */
.blog-nav-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  padding: 6px 16px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.blog-nav-cta:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── Reading progress bar ────────────────────────────────── */

.reading-progress {
  height: 3px;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.1s linear;
}

/* ── Post single: contenedor principal ───────────────────── */

.post-single {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-2xl);
}

/* ── Breadcrumb ──────────────────────────────────────────── */

.post-breadcrumb {
  margin-bottom: var(--spacing-2xl);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.breadcrumb-list a:hover {
  color: var(--color-primary);
}

.breadcrumb-list li:last-child {
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

/* ── Hero image ──────────────────────────────────────────── */

.post-hero {
  max-width: 1100px;
  margin: 0 auto var(--spacing-2xl);
  padding: 0 var(--spacing-xl);
}

.post-hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
  aspect-ratio: 16/8.4;
  object-fit: cover;
}

/* ── Post header ─────────────────────────────────────────── */

.post-header {
  margin-bottom: var(--spacing-2xl);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.post-category-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid rgba(59, 130, 246, 0.25);
  transition: var(--transition);
}

.post-category-badge:hover {
  background: rgba(59, 130, 246, 0.2);
}

.post-segment-badge {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: 4px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.post-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.2;
  color: var(--color-heading);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.post-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.post-byline-sep {
  opacity: 0.4;
}

/* ── Contenido del artículo ──────────────────────────────── */

.post-content {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-text);
}

/* Lead paragraph */
.post-content .article-lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-heading);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-left: 3px solid var(--color-primary);
  background: rgba(59, 130, 246, 0.05);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin-bottom: var(--spacing-xl);
}

/* Headings dentro del artículo */
.post-content h2 {
  font-family: var(--font-family-heading);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin: var(--spacing-3xl) 0 var(--spacing-lg);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-content h3 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
  line-height: 1.4;
}

/* Párrafos */
.post-content p {
  margin-bottom: var(--spacing-lg);
}

.post-content p:last-child {
  margin-bottom: 0;
}

/* Strong */
.post-content strong {
  color: var(--color-heading);
  font-weight: var(--font-weight-semibold);
}

/* Listas */
.post-content ul {
  margin: 0 0 var(--spacing-lg) var(--spacing-xl);
  list-style: disc;
}

.post-content ol {
  margin: 0 0 var(--spacing-lg) var(--spacing-xl);
  list-style: decimal;
}

.post-content li {
  line-height: 1.7;
  margin-bottom: 6px;
  padding-left: 4px;
}

.post-content li::marker {
  color: var(--color-primary);
}

/* HR separador de secciones */
.post-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-3xl) 0;
  opacity: 0.5;
}

/* Nota al pie del artículo */
.post-content .article-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 2px solid var(--color-border);
  margin: var(--spacing-lg) 0;
}

/* Énfasis especial */
.post-content .article-emphasis {
  font-size: 1.15rem;
  color: var(--color-heading);
  text-align: center;
  padding: var(--spacing-lg) 0;
}

/* ── Imágenes internas ───────────────────────────────────── */

.post-content .article-image {
  margin: var(--spacing-2xl) 0;
}

.post-content .article-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
}

/* ── Tabla ───────────────────────────────────────────────── */

.post-content .article-table-wrap {
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  -webkit-overflow-scrolling: touch;
}

.post-content .article-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.post-content .article-table th {
  background: var(--neutral-800);
  color: var(--color-heading);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.post-content .article-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text);
}

.post-content .article-table tbody tr:last-child td {
  border-bottom: none;
}

.post-content .article-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ── Blockquote ──────────────────────────────────────────── */

.post-content .article-blockquote {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-left: 3px solid var(--color-primary-active);
  background: rgba(34, 211, 238, 0.05);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.post-content .article-blockquote p {
  margin: 0;
  color: var(--color-heading);
  font-size: var(--font-size-base);
  line-height: 1.7;
}

/* ── FAQ (details/summary) ───────────────────────────────── */

.post-content .article-faq {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) 0;
}

.post-content .faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}

.post-content .faq-item[open] {
  border-color: var(--color-primary);
}

.post-content .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  font-size: var(--font-size-base);
  list-style: none;
  user-select: none;
  background: var(--neutral-800);
  transition: background 0.15s;
  gap: var(--spacing-md);
}

.post-content .faq-question::-webkit-details-marker { display: none; }

.post-content .faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: var(--font-weight-light);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.post-content .faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.post-content .faq-answer {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: 1.7;
  background: var(--neutral-900);
}

.post-content .faq-answer p {
  margin: 0;
}

/* ── Checklist ───────────────────────────────────────────── */

.post-content .article-checklist {
  list-style: none;
  margin-left: 0;
}

.post-content .article-checklist li {
  padding-left: 1.75rem;
  position: relative;
}

.post-content .article-checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary-active);
  font-weight: var(--font-weight-bold);
}

/* ── Lead magnet block ───────────────────────────────────── */

.post-content .lead-magnet-block {
  background: linear-gradient(135deg, var(--neutral-800) 0%, var(--neutral-900) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  text-align: center;
}

.post-content .lead-magnet-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-active);
  margin-bottom: var(--spacing-sm);
}

.post-content .lead-magnet-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.3;
}

.post-content .lead-magnet-desc {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-lg);
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.post-content .btn-lead-magnet {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary-active);
  color: #0f172a;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
}

.post-content .btn-lead-magnet:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ── CTA block dentro del artículo ──────────────────────── */

.post-content .article-cta-block {
  background: var(--neutral-800);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin: var(--spacing-2xl) 0;
}

.post-content .cta-image {
  margin: 0;
}

.post-content .cta-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}

.post-content .cta-content {
  padding: var(--spacing-2xl);
}

.post-content .cta-content h3 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin: 0 0 var(--spacing-md);
}

.post-content .cta-content p {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.post-content .cta-content ol {
  margin: 0 0 var(--spacing-lg) var(--spacing-xl);
}

.post-content .cta-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

.post-content .btn-cta-primary {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  margin-top: var(--spacing-sm);
}

.post-content .btn-cta-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

/* ── Closing del artículo ────────────────────────────────── */

.post-content .article-closing {
  padding: var(--spacing-2xl);
  background: var(--neutral-800);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border);
  text-align: center;
  margin-top: var(--spacing-xl);
}

.post-content .article-closing p {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.post-content .article-closing-emphasis {
  font-size: 1.1rem;
  color: var(--color-heading);
  font-style: italic;
  padding: var(--spacing-md) 0;
}

.post-content .article-closing-cta {
  margin-top: var(--spacing-lg);
}

/* ── Tags ────────────────────────────────────────────────── */

.post-tags {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
}

.post-tags-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.post-tag {
  display: inline-flex;
  align-items: center;
  background: var(--neutral-800);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* ── Related posts ───────────────────────────────────────── */

.related-posts {
  background: var(--neutral-900);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0;
}

.related-posts-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.related-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin-bottom: var(--spacing-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

/* ── Post card ───────────────────────────────────────────── */

.post-card {
  background: var(--neutral-800);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, transform 0.15s;
}

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

.post-card-img-link {
  display: block;
  overflow: hidden;
}

.post-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.post-card:hover .post-card-img {
  transform: scale(1.03);
}

.post-card-body {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.post-card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.post-card-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  flex: 1;
}

.post-card-title a {
  color: var(--color-heading);
  text-decoration: none;
  transition: color 0.15s;
}

.post-card-title a:hover {
  color: var(--color-primary);
}

.post-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: var(--spacing-sm);
}

/* ── CTA final (después del artículo) ────────────────────── */

.post-final-cta {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.post-final-cta-inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.final-cta-eyebrow {
  font-size: var(--font-size-sm);
  color: var(--color-primary-active);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-sm);
}

.final-cta-title {
  font-family: var(--font-family-heading);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  margin-bottom: var(--spacing-xl);
  line-height: 1.2;
}

.btn-final-cta {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
}

.btn-final-cta:hover {
  background: #2563eb;
  transform: translateY(-2px);
}

/* ── Blog index ──────────────────────────────────────────── */

.blog-index-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-xl);
}

.blog-index-header {
  margin-bottom: var(--spacing-3xl);
}

.blog-index-title {
  font-family: var(--font-family-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin-bottom: var(--spacing-sm);
}

.blog-index-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 560px;
}

.blog-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.blog-empty {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  padding: var(--spacing-3xl) 0;
}

/* ── Mobile responsive ───────────────────────────────────── */

@media (max-width: 768px) {
  .blog-header-inner {
    padding: 0 var(--spacing-md);
  }

  .blog-site-name {
    display: none;
  }

  .post-single {
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-xl);
  }

  .post-hero {
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-xl);
  }

  .post-hero-img {
    border-radius: var(--radius-lg);
  }

  .post-title {
    font-size: 1.55rem;
  }

  .post-content {
    font-size: var(--font-size-base);
  }

  .post-content .article-lead {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.05rem;
  }

  .post-content .lead-magnet-block,
  .post-content .article-closing {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .post-content .cta-content {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .related-posts-inner {
    padding: 0 var(--spacing-md);
  }

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

  .blog-index-main {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

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

  .breadcrumb-list li:last-child {
    max-width: 200px;
  }
}

@media (max-width: 480px) {
  .blog-nav-link {
    display: none;
  }
  .blog-nav-cta {
    font-size: 0.8rem;
    padding: 5px 12px;
  }
}

/* ── Back to top ─────────────────────────────────────────── */

.blog-back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #0d2238;
  border: 1px solid rgba(0, 224, 255, 0.4);
  color: #00e0ff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease,
              background-color 0.2s ease, border-color 0.2s ease;
  pointer-events: none;
  z-index: 999;
}

.blog-back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.blog-back-to-top:hover {
  background-color: #103354;
  border-color: #00e0ff;
  box-shadow: 0 6px 24px rgba(0, 224, 255, 0.2);
}

.blog-back-to-top svg {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

/* ── Índice estático del artículo ────────────────────────── */

.post-index {
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.post-index__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm);
}

.post-index ol {
  margin: 0;
  padding-left: var(--spacing-xl);
  list-style: decimal;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.post-index li {
  margin: 0;
  padding-left: 4px;
  line-height: 1.5;
}

.post-index li::marker {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.post-index a {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: color 0.15s;
}

.post-index a:hover {
  color: var(--color-primary);
}

/* ── Menú flotante del índice (TOC) ──────────────────────── */

.post-toc-float {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.post-toc-float.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Ocultar en tablet/mobile */
@media (max-width: 1023px) {
  .post-toc-float {
    display: none !important;
  }
}

/* Cada ítem: círculo con número */
.toc-float-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.toc-float-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #0d2238;
  border: 1px solid rgba(0, 224, 255, 0.25);
  color: rgba(0, 224, 255, 0.6);
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease,
              transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.toc-float-btn:hover,
.toc-float-item:hover .toc-float-btn {
  background-color: #103354;
  border-color: #00e0ff;
  color: #00e0ff;
  box-shadow: 0 0 12px rgba(0, 224, 255, 0.15);
  transform: scale(1.1);
}

/* Estado activo: sección visible en pantalla */
.toc-float-btn.is-active {
  background-color: #103354;
  border-color: rgba(0, 224, 255, 0.7);
  color: #00e0ff;
  box-shadow: 0 0 8px rgba(0, 224, 255, 0.2);
}

/* Tooltip que emerge hacia la izquierda */
.toc-float-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: #0d2238;
  border: 1px solid rgba(0, 224, 255, 0.3);
  color: var(--color-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: var(--radius-lg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  line-height: 1.4;
}

.toc-float-item:hover .toc-float-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ── Light mode overrides ─────────────────────────────────── */

html.light-mode .post-card {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.1);
}

html.light-mode .related-posts {
  background: var(--color-body);
  border-top-color: rgba(0, 0, 0, 0.1);
}

html.light-mode .post-content .faq-question {
  background: rgba(0, 0, 0, 0.04);
}

html.light-mode .post-content .faq-answer {
  background: rgba(0, 0, 0, 0.02);
}

html.light-mode .post-content .article-table th {
  background: rgba(0, 0, 0, 0.05);
}

html.light-mode .post-content .lead-magnet-block {
  background: linear-gradient(135deg, rgba(0,0,0,0.04) 0%, rgba(0,0,0,0.02) 100%);
}

html.light-mode .post-content .article-cta-block,
html.light-mode .post-content .article-closing {
  background: rgba(255, 255, 255, 0.7);
}

html.light-mode .post-index {
  background: rgba(59, 130, 246, 0.04);
  border-color: rgba(59, 130, 246, 0.15);
  border-left-color: var(--color-primary);
}

html.light-mode .post-index a {
  color: var(--color-text);
}

html.light-mode .toc-float-btn {
  background-color: #f0f4f8;
  border-color: rgba(59, 130, 246, 0.3);
  color: rgba(59, 130, 246, 0.7);
}

html.light-mode .toc-float-btn:hover,
html.light-mode .toc-float-item:hover .toc-float-btn {
  background-color: #dbeafe;
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.15);
}

html.light-mode .toc-float-btn.is-active {
  background-color: #dbeafe;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

html.light-mode .toc-float-tooltip {
  background: #f8fafc;
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--color-text);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* ── Neutralizar reglas !important de base.css sobre <article> ───────────
   base.css fuerza colores dark-mode en html.light-mode article con
   !important (legado WordPress). El <article class="post-single"> del blog
   queda afectado. Estos overrides tienen mayor especificidad y ganan.     */

html.light-mode .post-content p,
html.light-mode .post-content li {
  color: var(--color-text) !important;
}

html.light-mode .post-content h2,
html.light-mode .post-content h3 {
  color: var(--color-heading) !important;
}

html.light-mode .post-content .article-lead {
  color: var(--color-heading) !important;
}

html.light-mode .post-content .faq-answer,
html.light-mode .post-content .faq-answer p {
  color: var(--color-text) !important;
}

html.light-mode .post-content .btn-cta-primary {
  color: #ffffff !important;
}

html.light-mode .post-content .btn-lead-magnet {
  color: #0f172a !important;
}