/* =============================================================================
   blog.css — Blog Zopy
   Listado + artículo individual + componentes editoriales
   Variables de marca: DESIGN.md · styles.css (:root)
   ============================================================================= */

/* ── Tokens de categoría ─────────────────────────────────────────────────── */
.post-card--cat-diseno-web,
.post-hero--cat-diseno-web         { --cat-color: var(--cyan);   }

.post-card--cat-seo,
.post-hero--cat-seo                { --cat-color: var(--coral);  }

.post-card--cat-estrategia-digital,
.post-hero--cat-estrategia-digital { --cat-color: var(--yellow); }

/* =============================================================================
   LISTING — Hero
   ============================================================================= */
#blog-listing-hero {
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: calc(var(--nav-h) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

#blog-listing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 80%, rgba(82,190,210,.14) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(82,190,210,.07) 0%, transparent 50%);
  pointer-events: none;
}

.listing-hero__inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.listing-hero__eyebrow {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-md);
}

#blog-listing-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.listing-hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,.6);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ── Breadcrumb hero (listado) ───────────────────────────────────────────── */
.listing-hero__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em 0.6em;
  list-style: none;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 0.78rem;
  color: rgba(255,255,255,.4);
}

.listing-hero__breadcrumb li + li::before {
  content: '›';
  margin-right: 0.6em;
  color: rgba(255,255,255,.2);
}

.listing-hero__breadcrumb a {
  color: rgba(255,255,255,.5);
  text-decoration: none;
}
.listing-hero__breadcrumb a:hover { color: rgba(255,255,255,.9); }

/* =============================================================================
   LISTING — Filtros de categoría
   ============================================================================= */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.blog-filter-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.5em 1.25em;
  border-radius: 20px;
  border: 1.5px solid var(--gray-border);
  background: var(--white);
  color: var(--text-mid);
  cursor: pointer;
  transition: all 0.2s;
}

.blog-filter-btn:hover { border-color: var(--navy); color: var(--navy); }

.blog-filter-btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.blog-filter-btn[data-cat="diseno-web"].is-active     { background: var(--cyan);   border-color: var(--cyan);   color: var(--navy); }
.blog-filter-btn[data-cat="seo"].is-active            { background: var(--coral);  border-color: var(--coral);  color: var(--white); }
.blog-filter-btn[data-cat="estrategia-digital"].is-active { background: var(--yellow); border-color: var(--yellow); color: var(--navy); }

/* =============================================================================
   LISTING — Grid de artículos
   ============================================================================= */
#blog-listing {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl) var(--space-4xl);
}

/* ── Card destacada (primer artículo) ────────────────────────────────────── */
.post-card--featured {
  display: grid;
  grid-template-columns: 1fr 420px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-border);
  text-decoration: none;
  color: inherit;
  margin-bottom: var(--space-2xl);
  transition: box-shadow 0.3s, transform 0.3s;
}

.post-card--featured:hover {
  box-shadow: 0 12px 40px rgba(11,22,40,.12);
  transform: translateY(-3px);
}

.post-card--featured .post-card__body {
  padding: var(--space-2xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--white);
}

.post-card--featured .post-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: var(--space-md);
  flex: 1;
}

.post-card--featured .post-card__excerpt {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card--featured .post-card__read {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan-dark);
}

.post-card--featured .post-card__thumb {
  height: auto;
  min-height: 300px;
}

/* ── Grid de cards ───────────────────────────────────────────────────────── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ── Card normal ─────────────────────────────────────────────────────────── */
.post-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.25s, transform 0.25s;
}

.post-card:hover {
  box-shadow: 0 8px 28px rgba(11,22,40,.1);
  transform: translateY(-3px);
}

/* ── Thumbnail generado por CSS ──────────────────────────────────────────── */
.post-card__thumb {
  width: 100%;
  height: 180px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(150deg, var(--navy-dark) 0%, var(--navy) 100%);
}

/* Glow de categoría */
.post-card__thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, color-mix(in srgb, var(--cat-color, var(--cyan)) 22%, transparent) 0%, transparent 60%),
    radial-gradient(ellipse at 78% 18%, color-mix(in srgb, var(--cat-color, var(--cyan)) 10%, transparent) 0%, transparent 50%);
  pointer-events: none;
}

/* Borde superior de categoría */
.post-card__thumb::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cat-color, var(--cyan));
}

/* Imagen real cuando existe */
.post-card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Chip de categoría superpuesto */
.post-card__cat-chip {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--cat-color, var(--cyan));
  background: rgba(11,22,40,.8);
  backdrop-filter: blur(6px);
  padding: 0.28em 0.75em;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--cyan)) 35%, transparent);
}

/* ── Body de card ────────────────────────────────────────────────────────── */
.post-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.4em;
  margin-bottom: var(--space-sm);
  font-size: 0.71rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.post-card__meta .dot { color: var(--gray-border); }

.post-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--navy);
  margin-bottom: var(--space-sm);
  flex: 1;
}

.post-card__excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__read {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan-dark);
}

.listing-empty {
  color: var(--text-muted);
  font-size: 1rem;
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-3xl);
}

/* =============================================================================
   ARTÍCULO — Barra de progreso de lectura
   ============================================================================= */
.post-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cyan);
  z-index: 9999;
  transform-origin: 0 50%;
  transform: scaleX(0);
  animation: scaleXProgress auto linear;
  animation-timeline: scroll(root);
  pointer-events: none;
}

@keyframes scaleXProgress {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* =============================================================================
   ARTÍCULO — Hero header
   ============================================================================= */
.post-hero {
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: calc(var(--nav-h) + var(--space-3xl)) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

/* Glow de categoría */
.post-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 8% 90%, color-mix(in srgb, var(--cat-color, var(--cyan)) 18%, transparent) 0%, transparent 55%),
    radial-gradient(ellipse at 88% 12%, color-mix(in srgb, var(--cat-color, var(--cyan)) 8%, transparent) 0%, transparent 45%);
  pointer-events: none;
}

/* Línea de categoría en borde superior */
.post-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--cat-color, var(--cyan));
}

.post-hero__inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.post-hero__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em 0.6em;
  list-style: none;
  margin-bottom: var(--space-xl);
  font-size: 0.76rem;
  color: rgba(255,255,255,.35);
}

.post-hero__breadcrumb li + li::before {
  content: '›';
  margin-right: 0.6em;
  color: rgba(255,255,255,.2);
}

.post-hero__breadcrumb a {
  color: rgba(255,255,255,.45);
  text-decoration: none;
  transition: color 0.2s;
}
.post-hero__breadcrumb a:hover { color: rgba(255,255,255,.9); }

.post-hero__eyebrow {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cat-color, var(--cyan));
  margin-bottom: var(--space-md);
}

.post-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: var(--space-xl);
}

.post-hero__meta {
  font-size: 0.8rem;
  color: rgba(255,255,255,.45);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.post-hero__meta .dot { color: rgba(255,255,255,.2); }

/* =============================================================================
   ARTÍCULO — Cuerpo
   ============================================================================= */
#blog-post {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl) var(--space-2xl);
}

/* ── Resumen rápido / Respuesta directa ──────────────────────────────────── */
.post-tldr {
  background: #EEF6FB;
  border-left: 4px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.post-tldr__label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: var(--space-sm);
}

.post-tldr p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mid);
  font-style: italic;
  margin: 0;
}

/* ── Tabla de contenidos ─────────────────────────────────────────────────── */
.post-toc {
  background: var(--gray-bg);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.post-toc__title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.post-toc ol {
  list-style: none;
  counter-reset: toc;
  margin: 0;
}

.post-toc li {
  counter-increment: toc;
  display: flex;
  align-items: baseline;
  gap: 0.65em;
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 0.45em;
}

.post-toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 0.67rem;
  font-weight: 700;
  color: var(--gray-light);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.post-toc a {
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.2s;
}
.post-toc a:hover { color: var(--navy); text-decoration: underline; }

/* ── Imagen cover ────────────────────────────────────────────────────────── */
.post-cover {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  margin-bottom: var(--space-2xl);
  display: block;
}

/* =============================================================================
   ARTÍCULO — Tipografía editorial
   ============================================================================= */
.post-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-dark);
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin: var(--space-3xl) 0 var(--space-lg);
  scroll-margin-top: calc(var(--nav-h) + 1.5rem);
}

.post-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-dark);
  margin: var(--space-2xl) 0 var(--space-md);
}

.post-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-mid);
  margin: var(--space-xl) 0 var(--space-sm);
}

.post-content p { margin-bottom: var(--space-lg); }
.post-content p:last-child,
.post-content p:empty { margin-bottom: 0; }
.post-content p:empty { display: none; }

.post-content ul,
.post-content ol {
  margin: 0 0 var(--space-lg) 1.75rem;
}

.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }

.post-content li {
  margin-bottom: 0.5em;
  line-height: 1.75;
}

.post-content strong {
  font-weight: 700;
  color: var(--text-dark);
}

.post-content a {
  color: var(--cyan-dark);
  text-decoration: underline;
  text-decoration-color: rgba(58,168,188,.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.2s;
}
.post-content a:hover { text-decoration-color: var(--cyan-dark); }

/* Cita inline */
.post-content blockquote {
  border-left: 3px solid var(--gray-border);
  padding: var(--space-sm) var(--space-xl);
  margin: var(--space-xl) 0;
  color: var(--text-muted);
  font-style: italic;
}

/* Tabla */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-xl) 0;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--gray-border);
}

.post-content thead { background: var(--navy); color: var(--white); }

.post-content th {
  padding: 0.8em 1em;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.post-content td {
  padding: 0.7em 1em;
  border-top: 1px solid var(--gray-border);
  vertical-align: top;
}

.post-content tbody tr:nth-child(even) td { background: var(--gray-bg); }
.post-content tbody tr:hover td {
  background: #EEF6FB;
  transition: background 0.15s;
}

/* Figura */
.post-content figure { margin: var(--space-xl) 0; }
.post-content figure img { width: 100%; border-radius: var(--radius-sm); }
.post-content figcaption {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-sm);
  font-style: italic;
}

/* =============================================================================
   ARTÍCULO — Componentes editoriales (callouts)
   Uso en el HTML del artículo:
     <div class="callout callout--data">
       <span class="callout__label">Dato clave</span>
       <p>...</p>
     </div>
   ============================================================================= */
.callout {
  border-radius: var(--radius-sm);
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-xl) 0;
  border-left: 4px solid;
  font-size: 0.95rem;
}

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

.callout__label {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 0.28em 0.75em;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
}

/* Dato / estadística */
.callout--data {
  background: #EEF6FB;
  border-color: var(--cyan);
}
.callout--data .callout__label {
  background: var(--cyan);
  color: var(--navy);
}

/* Consejo */
.callout--tip {
  background: rgba(246,108,88,.05);
  border-color: var(--coral);
}
.callout--tip .callout__label {
  background: var(--coral);
  color: var(--white);
}

/* Advertencia */
.callout--warning {
  background: rgba(244,191,53,.07);
  border-color: var(--yellow);
}
.callout--warning .callout__label {
  background: var(--yellow);
  color: var(--navy);
}

/* Pull quote */
.pull-quote {
  border-left: 5px solid var(--cyan);
  background: var(--gray-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-xl) var(--space-2xl);
  margin: var(--space-2xl) 0;
}

.pull-quote p {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--navy);
  margin: 0;
}

/* =============================================================================
   ARTÍCULO — Firma del autor
   ============================================================================= */
.post-author {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl);
  border-top: 1px solid var(--gray-border);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.post-author__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid var(--gray-border);
}

.post-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-author__avatar svg {
  width: 26px;
  height: 26px;
  fill: var(--cyan);
  opacity: .65;
}

.post-author__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

.post-author__role {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.15em;
}

/* =============================================================================
   ARTÍCULO — Tags
   ============================================================================= */
.post-tags {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl) var(--space-2xl);
  border-top: 1px solid var(--gray-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.post-tags__label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-right: var(--space-xs);
}

.post-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--gray-border);
  border-radius: 20px;
  padding: 0.25em 0.8em;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.post-tag:hover {
  color: var(--navy);
  border-color: var(--navy);
  background: var(--gray-bg);
}

/* =============================================================================
   ARTÍCULO — CTA block
   ============================================================================= */
.post-cta-block {
  background: var(--navy);
  color: var(--white);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.post-cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(82,190,210,.12) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 50%, rgba(82,190,210,.06) 0%, transparent 50%);
  pointer-events: none;
}

.post-cta-block__inner {
  position: relative;
  max-width: 580px;
  margin: 0 auto;
}

.post-cta-block__eyebrow {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--space-md);
}

.post-cta-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.post-cta-block p {
  font-size: 1rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.post-cta-block__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.post-cta-btn {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.9em 2em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.post-cta-btn--primary {
  background: var(--cyan);
  color: var(--navy);
}
.post-cta-btn--primary:hover {
  background: var(--cyan-dark);
  transform: translateY(-1px);
}

.post-cta-btn--ghost {
  background: transparent;
  color: rgba(255,255,255,.65);
  border: 1.5px solid rgba(255,255,255,.2);
}
.post-cta-btn--ghost:hover {
  border-color: rgba(255,255,255,.5);
  color: var(--white);
}

/* =============================================================================
   ARTÍCULO — Artículos relacionados
   ============================================================================= */
.post-related {
  padding: var(--space-3xl) var(--space-xl) var(--space-4xl);
  max-width: var(--max-w);
  margin: 0 auto;
}

.post-related__heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.post-related__heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-border);
}

.post-related .posts-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */
@media (max-width: 1023px) {
  .post-card--featured {
    grid-template-columns: 1fr;
  }
  .post-card--featured .post-card__thumb { height: 220px; }
  .post-card--featured .post-card__body  { padding: var(--space-xl); }

  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .post-related .posts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  #blog-listing-hero { padding: calc(var(--nav-h) + var(--space-2xl)) 0 var(--space-2xl); }
  #blog-listing-hero h1 { font-size: 1.75rem; }

  .blog-filters { padding-top: var(--space-xl); }
  #blog-listing  { padding: var(--space-xl) var(--space-lg) var(--space-3xl); }
  .posts-grid    { grid-template-columns: 1fr; gap: var(--space-lg); }

  .post-hero { padding: calc(var(--nav-h) + var(--space-xl)) 0 var(--space-xl); }
  .post-hero h1 { font-size: 1.6rem; }

  #blog-post { padding: var(--space-xl) var(--space-lg) var(--space-xl); }
  .post-content h2 { font-size: 1.3rem; margin-top: var(--space-2xl); }

  .post-author {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .post-cta-block__actions { flex-direction: column; align-items: stretch; }
  .post-cta-btn { text-align: center; }

  .post-related { padding: var(--space-xl) var(--space-lg) var(--space-3xl); }
  .post-related .posts-grid { grid-template-columns: 1fr; }
}