/* ==========================================================================
   ARTÍCULO 0 MEDIA - PLANTILLA EDITORIAL DE ARTÍCULO INDIVIDUAL (SINGLE)
   ========================================================================== */

.a0-single-article {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
  background-color: var(--a0-ivory-light);
}

/* Cabecera del Artículo */
.a0-article-header {
  margin-bottom: 2rem;
  text-align: left;
}

.a0-article-badge-wrap {
  margin-bottom: 1rem;
}

.a0-article-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--a0-black);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.a0-article-subtitle {
  font-family: var(--a0-font-sans);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.5;
  color: var(--a0-text-muted);
  margin-bottom: 1.75rem;
  font-weight: 400;
}

.a0-article-byline-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--a0-ivory-border);
  border-bottom: 1px solid var(--a0-ivory-border);
  font-size: 0.9rem;
}

.a0-byline-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.a0-byline-author-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid var(--a0-red);
  background-color: var(--a0-black);
}

.a0-byline-author-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.a0-byline-info {
  display: flex;
  flex-direction: column;
}

.a0-byline-name {
  font-weight: 800;
  color: var(--a0-black);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.a0-byline-name a:hover {
  color: var(--a0-red);
}

.a0-byline-meta {
  font-size: 0.8rem;
  color: var(--a0-gray);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.a0-reading-time {
  font-family: var(--a0-font-mono);
  font-size: 0.78rem;
  background-color: var(--a0-ivory-dark);
  padding: 0.2rem 0.5rem;
  border-radius: var(--a0-radius-sm);
  color: var(--a0-gray-dark);
}

/* Imagen Destacada */
.a0-article-featured-image {
  margin: 2rem 0 3rem 0;
}

.a0-article-featured-image figure {
  margin: 0;
}

.a0-article-featured-image img {
  width: 100%;
  height: auto;
  max-height: 580px;
  object-fit: cover;
  border-radius: var(--a0-radius-sm);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.a0-image-caption {
  font-size: 0.85rem;
  color: var(--a0-gray);
  margin-top: 0.6rem;
  border-left: 2px solid var(--a0-red);
  padding-left: 0.75rem;
  font-style: italic;
}

/* Cuerpo del Artículo (Tipografía y Contenido) */
.a0-article-body {
  font-size: 1.18rem;
  line-height: 1.8;
  color: #1a1a1a;
}

.a0-article-body p {
  margin-bottom: 1.6rem;
}

.a0-article-body h2 {
  font-size: 1.85rem;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--a0-red);
  padding-left: 0.75rem;
}

.a0-article-body h3 {
  font-size: 1.45rem;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.a0-article-body blockquote {
  margin: 2.25rem 0;
  padding: 1.25rem 2rem;
  border-left: 4px solid var(--a0-red);
  background-color: var(--a0-ivory);
  font-family: var(--a0-font-serif);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--a0-black);
}

.a0-article-body blockquote p:last-child {
  margin-bottom: 0;
}

.a0-article-body ul, .a0-article-body ol {
  margin-bottom: 1.75rem;
  padding-left: 1.75rem;
}

.a0-article-body li {
  margin-bottom: 0.5rem;
}

.a0-article-body hr {
  border: 0;
  height: 2px;
  background-color: var(--a0-ivory-border);
  margin: 3rem 0;
}

/* Caja de Fuentes, Metodología y Descargo de Responsabilidad */
.a0-sources-box {
  background-color: var(--a0-ivory-surface);
  border: 1px solid var(--a0-ivory-border);
  border-top: 3px solid var(--a0-red);
  padding: 1.75rem;
  margin: 3rem 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--a0-text-muted);
}

.a0-sources-title {
  font-family: var(--a0-font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--a0-black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

/* Módulo de Artículos Relacionados (Aislamiento de Newsletter) */
.a0-related-section {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 2px solid var(--a0-red);
}

.a0-related-title {
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}