/* ============================================================
   AGENTE100 — blog.css  (blog/ y bloque "Blog" de la portada)
   Usa las variables de styles.css.
   ============================================================ */

/* ---------- Tarjetas ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.bcard {
  display: flex; flex-direction: column; background: var(--color-bg-card); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); overflow: hidden; transition: box-shadow .2s, transform .2s; color: inherit;
}
.bcard:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.bcard[hidden] { display: none; }
.bcard__img { aspect-ratio: 16 / 9; background: var(--color-accent-blue-light); overflow: hidden; }
.bcard__img img { width: 100%; height: 100%; object-fit: cover; }
.bcard__ph {
  width: 100%; height: 100%; display: grid; place-items: center; padding: 16px; text-align: center;
  background: radial-gradient(circle at 88% 12%, rgba(255,255,255,.14) 0 22%, transparent 22.5%), radial-gradient(circle at 8% 100%, var(--color-accent-gold) 0 9%, transparent 9.5%), var(--gradient-cta);
  color: #fff; font-family: var(--font-display); font-weight: 800; font-size: clamp(20px, 2vw, 26px); letter-spacing: -.02em;
}
.bcard__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.bcard__cat { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-blue); }
.bcard__title { font-size: 19px; font-weight: 700; line-height: 1.25; }
.bcard__desc { font-size: var(--text-small); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bcard__meta { margin-top: auto; padding-top: 8px; font-size: var(--text-xs); color: var(--color-text-muted); }

.bcard--big { display: grid; grid-template-columns: 1.2fr 1fr; }
.bcard--big .bcard__img { aspect-ratio: auto; min-height: 300px; }
.bcard--big .bcard__body { padding: clamp(24px, 3vw, 40px); justify-content: center; }
.bcard--big .bcard__title { font-size: clamp(22px, 2.4vw, 30px); }
.bcard--big .bcard__desc { font-size: var(--text-body); -webkit-line-clamp: 4; }
.bcard--big .bcard__meta { margin-top: 8px; }

/* ---------- Índice del blog ---------- */
.blog-head { background: var(--gradient-hero-bg); padding-block: clamp(40px, 6vw, 80px) clamp(28px, 4vw, 44px); }
.blog-head h1 { font-size: var(--text-h2); font-weight: 800; max-width: 20ch; }
.blog-head p { margin-top: 14px; max-width: 58ch; font-size: var(--text-body-lg); }
.blog-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.blog-cats button {
  font: 600 var(--text-small)/1 var(--font-display); padding: 10px 16px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-border); background: #fff; color: var(--color-text-primary); cursor: pointer;
}
.blog-cats button[aria-pressed="true"] { background: var(--color-accent-blue); border-color: var(--color-accent-blue); color: #fff; }
.blog-list { padding-block: 16px var(--gap-section); }
.blog-featured { margin-bottom: 28px; }
.blog-empty { text-align: center; padding: 56px 16px; }
.blog-empty p { margin: 10px 0 22px; }

/* ---------- Portada (bloque de la home) ---------- */
.home-blog__more { text-align: center; margin-top: 32px; }

/* ---------- Artículo ---------- */
.art-narrow { max-width: 780px; }
.art-head { background: var(--gradient-hero-bg); padding-block: clamp(28px, 5vw, 64px) clamp(24px, 4vw, 40px); }
.art-crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: 22px; }
.art-crumbs a:hover { color: var(--color-accent-blue); }
.art-head h1 { font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; }
.art-lead { margin-top: 18px; font-size: clamp(18px, 1.7vw, 21px); color: var(--color-text-primary); line-height: 1.55; }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; font-size: var(--text-small); color: var(--color-text-muted); }
.art-cover { max-width: 980px; margin-top: 8px; margin-bottom: 8px; }
.art-cover img { width: 100%; border-radius: 16px; aspect-ratio: 16 / 9; object-fit: cover; box-shadow: var(--shadow-card); }
.art-cover figcaption { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 8px; }

.art-body { padding-block: clamp(24px, 4vw, 44px) 8px; font-size: 18px; line-height: 1.75; color: #33404f; }
.art-body > * + * { margin-top: 1.1em; }
.art-body h2 { font-size: clamp(24px, 2.6vw, 31px); font-weight: 800; margin-top: 1.9em; line-height: 1.2; }
.art-body h3 { font-size: clamp(20px, 2vw, 23px); font-weight: 700; margin-top: 1.6em; }
.art-body a { color: var(--color-accent-blue); text-decoration: underline; text-underline-offset: 3px; }
.art-body strong { color: var(--color-text-primary); }
.art-body ul, .art-body ol { padding-left: 1.3em; }
.art-body li + li { margin-top: .45em; }
.art-body li::marker { color: var(--color-accent-blue); font-weight: 700; }
.art-body blockquote {
  margin-inline: 0; padding: 18px 22px; border-left: 4px solid var(--color-accent-gold);
  background: var(--color-bg-section); border-radius: 0 12px 12px 0; font-style: italic; color: var(--color-text-primary);
}
.art-body .nota, .art-body .clave {
  padding: 20px 22px; border-radius: 12px; background: var(--color-accent-blue-light); color: var(--color-text-primary); font-size: 17px;
}
.art-body .clave { background: #FFF6E6; border: 1px solid #F5D9A8; }
.art-body .nota > :first-child, .art-body .clave > :first-child { margin-top: 0; }
.art-body .nota > * + *, .art-body .clave > * + * { margin-top: .6em; }
.art-body table { width: 100%; border-collapse: collapse; font-size: 16px; display: block; overflow-x: auto; }
.art-body th, .art-body td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.art-body th { font-family: var(--font-display); color: var(--color-text-primary); background: var(--color-bg-section); }
.art-body img { border-radius: 12px; }
.art-body figure { margin-inline: 0; }
.art-body figcaption { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 6px; }

.art-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  margin-top: 44px; padding: 26px 28px; border-radius: 16px; background: var(--gradient-dark-section); color: rgba(255,255,255,.85);
}
.art-cta strong { display: block; color: #fff; font-family: var(--font-display); font-size: 19px; line-height: 1.3; margin-bottom: 6px; }
.art-cta > div { flex: 1 1 360px; }
.art-cta .btn--primary { background: #fff; color: var(--color-accent-blue-dark); }

.art-share { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 28px; font-size: var(--text-small); }
.art-share span { font-weight: 600; color: var(--color-text-primary); }
.art-share a, .art-share button {
  font: 600 var(--text-small)/1 var(--font-body); color: var(--color-accent-blue); background: none; border: 0; padding: 0; cursor: pointer;
}
.art-share a:hover, .art-share button:hover { text-decoration: underline; }
.art-tags { list-style: none; padding: 0; margin: 20px 0 clamp(40px, 6vw, 72px); display: flex; flex-wrap: wrap; gap: 8px; }
.art-tags li { font-size: var(--text-xs); padding: 6px 12px; border-radius: var(--radius-pill); background: var(--color-bg-section); color: var(--color-text-body); }
.art-share + .art-tags { margin-top: 20px; }
.art-share:last-child { margin-bottom: clamp(40px, 6vw, 72px); }
.art-rel__t { margin-bottom: 28px; }

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .bcard--big { grid-template-columns: 1fr; }
  .bcard--big .bcard__img { min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 600px) {
  .art-body table { font-size: 14px; line-height: 1.45; }
  .art-body th, .art-body td { padding: 8px 6px; hyphens: auto; }
  .blog-grid { grid-template-columns: 1fr; }
  .art-body { font-size: 17px; }
}