/* =========================================================================
   blog.css — Estilos del blog: listado, barra lateral y artículo.
   ========================================================================= */

/* ---- Layout listado ---- */
.blog-layout {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 3.5rem);
  align-items: start;
}
@media (min-width: 960px) {
  .blog-layout { grid-template-columns: 1fr 300px; }
}

.blog-post-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
@media (min-width: 960px) { .blog-post-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---- Artículo destacado ---- */
.featured-post {
  display: grid;
  border: var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
  background: var(--color-surface);
}
@media (min-width: 720px) { .featured-post { grid-template-columns: 1.1fr 1fr; } }
.featured-post__media { display: block; background: var(--color-surface-3); aspect-ratio: 16 / 10; overflow: hidden; }
.featured-post__media img { width: 100%; height: 100%; object-fit: cover; }
.featured-post__body { padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); display: flex; flex-direction: column; gap: var(--space-md); }
.featured-post__body h2 { font-size: var(--fs-h3); }
.featured-post__body h2 a { color: var(--color-ink); }
.featured-post__body h2 a:hover { color: var(--color-primary); }
.featured-post__body p { color: var(--color-ink-soft); }
.featured-post__body .btn { align-self: flex-start; margin-top: auto; }

/* ---- Paginación ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}
.pagination__link {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  padding: 0.6rem 1.1rem;
  border: var(--border-soft);
  border-radius: var(--radius-pill);
}
.pagination__link:hover { border-color: var(--color-primary); background: var(--color-surface-2); }
.pagination__status { color: var(--color-muted); font-size: var(--fs-small); }

/* ---- Barra lateral ---- */
.blog-aside { display: grid; gap: var(--space-xl); position: sticky; top: calc(var(--header-h) + 1rem); }
/* En móvil/tablet (columna única) la barra lateral —buscador, categorías y etiquetas—
   se muestra ANTES del listado de artículos. Solo afecta a <960px (a partir de ahí el
   grid de 2 columnas coloca cada bloque en su sitio y `order` no interviene). */
@media (max-width: 959px) {
  .blog-aside { position: static; order: -1; }
  .blog-main { order: 0; }
}
.aside-block h3 {
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}
.blog-search { display: flex; gap: 0.5rem; align-items: stretch; }
.blog-search .form-control { flex: 1; }
/* Botón buscar con el icono de marca (círculo azul + documento y lupa). La imagen
   YA trae su propio círculo, así que el botón no pinta fondo ni borde: solo lo
   contiene. ANCHO fijo y ALTO por `align-self: stretch` = alto natural del input;
   NO se usa `aspect-ratio` porque, al no tener el input una altura fija, ligar el
   alto del botón a su ancho creaba un bucle y el buscador se disparaba a 128px. */
.blog-search__go {
  flex: 0 0 auto;
  align-self: stretch;
  width: 3.5rem;
  padding: 0; border: 0; background: none;
  cursor: pointer;
  display: grid; place-items: center;
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast) var(--ease-out);
}
.blog-search__go img { width: 100%; height: 100%; max-height: 100%; object-fit: contain; display: block; }
.blog-search__go:hover { transform: scale(1.06); filter: brightness(1.05); }
.blog-search__go:active { transform: scale(0.98); }
.blog-search__go:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 50%; }
.aside-list li { border-bottom: 1px solid var(--color-line); }
.aside-list a { display: flex; justify-content: space-between; padding: 0.6rem 0; color: var(--color-ink-soft); }
.aside-list a:hover { color: var(--color-primary); }
.aside-list span { color: var(--color-muted); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-chip {
  display: inline-block;
  font-size: var(--fs-small);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  color: var(--color-ink-soft);
  border: 1px solid var(--color-line);
}
.tag-chip:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-surface-3); }

.aside-cta {
  background: var(--color-surface-3);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.aside-cta p { font-size: 0.95rem; color: var(--color-ink-soft); margin-bottom: var(--space-md); }

/* =========================================================================
   Artículo
   ========================================================================= */
.article-hero { padding-top: clamp(2rem, 1.5rem + 2vw, 3.5rem); padding-bottom: var(--space-lg); }
.article-hero .badge { margin-bottom: var(--space-md); }
/* La cabecera del artículo ocupa el contenedor global (antes iba en
   `container--reading`, 760px). El H1 deja de limitarse a 20ch para aprovechar
   ese ancho y partir en menos líneas; tipografía y jerarquía sin cambios. */
.article-hero h1 { max-width: none; margin-bottom: var(--space-md); }
.article-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; color: var(--color-muted); font-size: var(--fs-small); }

.article-cover { margin-bottom: var(--space-2xl); }
.article-cover img {
  width: 100%;
  border-radius: var(--radius-lg);
  max-height: 480px;
  object-fit: cover;
}

.article-layout { display: grid; gap: clamp(2rem, 1rem + 3vw, 4rem); align-items: start; }
@media (min-width: 1024px) { .article-layout { grid-template-columns: 260px minmax(0, 1fr); } }

/* Tabla de contenidos */
.article-toc { position: sticky; top: calc(var(--header-h) + 1rem); font-size: 0.95rem; }
@media (max-width: 1023px) {
  .article-toc { position: static; background: var(--color-surface-2); padding: var(--space-lg); border-radius: var(--radius-md); }
}
.article-toc h2 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--color-muted); margin-bottom: var(--space-md); }
.article-toc ul { border-left: 2px solid var(--color-line); }
.article-toc li a { display: block; padding: 0.35rem 0 0.35rem 1rem; margin-left: -2px; border-left: 2px solid transparent; color: var(--color-ink-soft); }
.article-toc li.toc-h3 a { padding-left: 2rem; font-size: 0.9rem; }
.article-toc li a:hover, .article-toc li a.is-active { color: var(--color-primary); border-color: var(--color-primary); }

/* Cuerpo del artículo (ancho de lectura controlado) */
.article-body { max-width: var(--container-reading); font-size: 1.075rem; }
.article-body > * + * { margin-top: var(--space-lg); }
.article-body h2 { font-size: var(--fs-h3); margin-top: var(--space-2xl); scroll-margin-top: calc(var(--header-h) + 1rem); }
.article-body h3 { font-size: var(--fs-h4); margin-top: var(--space-xl); scroll-margin-top: calc(var(--header-h) + 1rem); }
.article-body p { line-height: var(--lh-body); color: var(--color-ink); }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.post-list { display: grid; gap: 0.6rem; }
.post-list li { position: relative; padding-left: 1.5rem; }
.article-body ul.post-list li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-brand); }
.article-body ol.post-list { counter-reset: li; }
.article-body ol.post-list li { counter-increment: li; }
.article-body ol.post-list li::before { content: counter(li); position: absolute; left: 0; top: 0; font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); }

.post-summary {
  background: var(--color-surface-3);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  border-left: 4px solid var(--color-primary);
}
.post-summary__title { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--color-primary); margin-bottom: 0.4rem; }

.post-callout {
  background: var(--gradient-brand-135);
  color: #fff;
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-md);
}
.post-callout p { color: #fff; margin: 0; font-weight: var(--fw-medium); }

.post-quote {
  border-left: 4px solid var(--color-cyan);
  padding: var(--space-md) var(--space-xl);
  font-size: 1.25rem;
  font-family: var(--font-heading);
  color: var(--color-ink);
}
.post-quote cite { display: block; margin-top: var(--space-sm); font-size: 0.95rem; font-style: normal; color: var(--color-muted); }

.post-figure img { width: 100%; border-radius: var(--radius-md); }
.post-figure figcaption { margin-top: 0.5rem; font-size: var(--fs-small); color: var(--color-muted); text-align: center; }

.post-table-wrap { overflow-x: auto; }
.post-table { width: 100%; border-collapse: collapse; font-size: 0.98rem; }
.post-table th, .post-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--color-line); }
.post-table thead th { background: var(--color-surface-2); font-family: var(--font-heading); }

.post-code {
  background: var(--code-bg);
  color: var(--code-text);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.9rem;
}
.post-video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); overflow: hidden; }
.post-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.post-faq { margin-top: var(--space-2xl); }
.post-faq h2 { margin-bottom: var(--space-lg); }

.post-cta {
  margin-top: var(--space-2xl);
  background: var(--color-surface-2);
  border: var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}
.post-cta h3 { margin-bottom: 0.5rem; }
.post-cta p { color: var(--color-ink-soft); margin-bottom: var(--space-lg); }

.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-2xl); }
.article-share {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md);
  margin-top: var(--space-xl); padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
  font-size: var(--fs-small);
}
.article-share a, .article-share button { color: var(--color-primary); font-weight: var(--fw-semibold); font-family: var(--font-heading); }
.article-share span:first-child { color: var(--color-muted); }

.article-nav {
  display: grid; gap: var(--space-md);
  margin-top: var(--space-3xl);
}
@media (min-width: 700px) { .article-nav { grid-template-columns: 1fr 1fr; } }
.article-nav__link {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: var(--space-lg);
  border: var(--border-soft); border-radius: var(--radius-md);
  color: var(--color-ink);
}
.article-nav__link:hover { border-color: var(--color-primary); background: var(--color-surface-2); }
.article-nav__link span { font-size: var(--fs-small); color: var(--color-muted); }
.article-nav__next { text-align: right; }