/* =======================================================================
   blog.css — Estilos del Blog MultiservIA
   Construido sobre styles.css (variables de marca: --green-*, --lime-*,
   --gold, --ink, fuentes Montserrat + Nunito Sans). Cárgalo DESPUÉS de
   styles.css. Optimizado para lectura larga, SEO on-page y legibilidad
   (estilo Yoast: medida ~70ch, jerarquía clara, subtítulos frecuentes).
   ======================================================================= */

/* ---- Contenedor de lectura -------------------------------------------- */
.post {
  --measure: 72ch;
  padding: calc(var(--nav-height) + 1rem) 0 64px;
}
.post__container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Breadcrumb (refuerza BreadcrumbList schema) ---------------------- */
.crumbs {
  font-size: .85rem;
  color: var(--ink-soft);
  padding: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.crumbs a { color: var(--green-400); font-weight: 600; }
.crumbs a:hover { color: var(--green-600); }
.crumbs span[aria-current] { color: var(--ink-soft); }
.crumbs .sep { color: var(--ink-mute); }

/* ---- Cabecera del artículo -------------------------------------------- */
.post__head {
  max-width: 820px;
  margin: 0 auto;
  padding: 26px 0 8px;
  text-align: center;
}
.post__eyebrow {
  font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  font-size: .78rem; color: var(--green-400);
}
.post__title {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  line-height: 1.12;
  margin: 10px 0 14px;
}
.post__title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.post__escudo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.post__lead {
  font-size: 1.18rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 auto;
}
.post__meta {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  justify-content: center; align-items: center;
  margin: 20px 0 0; font-size: .9rem; color: var(--ink-soft);
}
.post__meta .author { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); }
.post__avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-300), var(--green-600));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: .85rem;
}

/* ---- Imagen/ilustración destacada (featured / og:image) --------------- */
.post__figure {
  max-width: 980px; margin: 28px auto 0; padding: 0 20px;
}
.post__figure svg, .post__figure img {
  width: 100%; height: auto; display: block;
  border-radius: var(--r-xl, 22px);
  box-shadow: var(--sh-card, 0 10px 30px rgba(20,40,35,.12));
  background: var(--green-100);
}
figure { margin: 28px 0; }
figure svg, figure img { width: 100%; height: auto; border-radius: 16px; display:block; }
figcaption { font-size: .85rem; color: var(--ink-mute); text-align: center; margin-top: 8px; }

/* ---- Cuerpo: grid artículo + barra lateral ---------------------------- */
.post__grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) 280px;
  gap: 48px;
  max-width: 1080px;
  margin: 36px auto 0;
  padding: 0 20px;
}
.post__body { max-width: var(--measure); }
.post__body > * { margin-bottom: 1.15em; }
.post__body p { font-size: 1.06rem; line-height: 1.75; color: #2c302f; }
.post__body h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  margin: 1.6em 0 .5em; padding-top: .2em;
  scroll-margin-top: 90px;
}
.post__body h3 { font-size: 1.22rem; margin: 1.4em 0 .4em; scroll-margin-top: 90px; color: var(--green-700); }
.post__body ul, .post__body ol { padding-left: 1.3em; }
.post__body li { font-size: 1.05rem; line-height: 1.7; margin-bottom: .5em; }
.post__body a { font-weight: 600; text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--green-200); }
.post__body a:hover { text-decoration-color: var(--green-500); }
.post__body strong { color: var(--green-900); }

/* Respuesta rápida (answer-first → clave para GEO/AEO en LLMs) */
.tldr {
  background: var(--green-100);
  border-left: 5px solid var(--green-500);
  border-radius: 12px;
  padding: 18px 20px;
  font-size: 1.05rem;
}
.tldr strong { display: block; text-transform: uppercase; letter-spacing: .05em; font-size: .72rem; color: var(--green-500); margin-bottom: 6px; }

/* Cajas de apoyo */
.callout {
  border-radius: 14px; padding: 18px 20px; border: 1px solid var(--green-100);
  background: #f6faf8; font-size: 1rem; line-height: 1.65;
}
.callout--tip { border-color: var(--lime-300, #b9e78a); background: #f4fbe9; }
.callout--warn { border-color: #f3d28a; background: #fdf6e6; }
.callout__title { font-weight: 800; display: flex; gap: 8px; align-items: center; margin-bottom: 6px; color: var(--green-900); }

/* Tablas (precios) — escaneables y citables por LLMs */
.table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--green-100); }
.post__body table { width: 100%; border-collapse: collapse; font-size: .98rem; }
.post__body th, .post__body td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #e7efec; }
.post__body thead th { background: var(--green-600); color: #fff; font-family: var(--font-display); }
.post__body tbody tr:nth-child(even) { background: #f6faf8; }

/* Tabla de contenidos (sidebar sticky) */
.toc {
  position: sticky; top: 90px;
  border: 1px solid var(--green-100); border-radius: 16px;
  padding: 18px 18px 20px; background: #fff;
  font-size: .92rem;
}
.toc h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--green-400); margin: 0 0 10px; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { margin: 0 0 7px; padding-left: 26px; position: relative; counter-increment: toc; }
.toc li::before { content: counter(toc); position: absolute; left: 0; top: 0; width: 18px; height: 18px; background: var(--green-100); color: var(--green-700); border-radius: 50%; font-size: .7rem; font-weight: 800; display: grid; place-items: center; }
.toc a { color: var(--ink); font-weight: 600; }
.toc a:hover { color: var(--green-600); }
.toc__cta { margin-top: 16px; }

/* ---- FAQ (genera FAQPage schema; CSS-only accordion) ------------------ */
.faq { margin: 40px 0 8px; }
.faq h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin-bottom: 14px; }
.faq details {
  border: 1px solid var(--green-100); border-radius: 12px;
  padding: 4px 18px; margin-bottom: 10px; background: #fff;
}
.faq details[open] { border-color: var(--green-300); background: #f6faf8; }
.faq summary {
  cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; gap: 14px; color: var(--green-900);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.4rem; color: var(--green-400); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 0 14px; color: #2c302f; line-height: 1.7; }

/* ---- Caja de autor (E-E-A-T) ------------------------------------------ */
.author-box {
  display: flex; gap: 16px; align-items: flex-start;
  border: 1px solid var(--green-100); border-radius: 16px;
  padding: 18px 20px; background: #f6faf8; margin: 40px 0 0;
}
.author-box .post__avatar { width: 52px; height: 52px; font-size: 1.1rem; flex: none; }
.author-box h3 { margin: 0 0 4px; font-size: 1.05rem; }
.author-box p { font-size: .92rem; color: var(--ink-soft); margin: 0; line-height: 1.55; }

/* ---- CTA interno (conversión a publicar tarea) ------------------------ */
.post-cta {
  margin: 44px auto 0; max-width: 1080px;
  background: linear-gradient(135deg, var(--green-600), var(--green-500));
  color: #fff; border-radius: var(--r-xl, 22px); padding: 38px 32px; text-align: center;
}
.post-cta h2 { color: #fff; font-size: clamp(1.4rem,3vw,2rem); margin-bottom: 8px; }
.post-cta p { color: #d7e7e1; max-width: 52ch; margin: 0 auto 20px; }

/* ---- Artículos relacionados ------------------------------------------ */
.related { max-width: 1080px; margin: 56px auto 0; padding: 0 20px; }
.related > h2 { font-size: 1.5rem; margin-bottom: 18px; }
.related__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px,1fr)); gap: 20px; }
.post-card {
  border: 1px solid var(--green-100); border-radius: 18px; overflow: hidden; background: #fff;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease); display: flex; flex-direction: column;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--sh-card, 0 12px 28px rgba(20,40,35,.14)); }
.post-card__thumb { aspect-ratio: 16/10; background: var(--green-100); }
.post-card__thumb svg { width: 100%; height: 100%; display: block; }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card__tag { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--green-400); }
.post-card__title { font-family: var(--font-display); font-weight: 700; font-size: 1.06rem; color: var(--green-900); line-height: 1.25; }
.post-card__desc { font-size: .9rem; color: var(--ink-soft); line-height: 1.5; margin-top: auto; }

/* ---- Hub del blog (index) --------------------------------------------- */
.blog-hero { background: radial-gradient(120% 90% at 80% 0%, var(--green-100), transparent 60%); padding: calc(var(--nav-height) + 24px) 0 28px; }
.blog-hero h1 { font-size: clamp(2rem,5vw,3rem); max-width: 18ch; }
.blog-hero p { font-size: 1.15rem; color: var(--ink-soft); max-width: 56ch; }
.blog-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 6px; }
.chip {
  border: 1px solid var(--green-200); border-radius: 999px; padding: 8px 16px;
  font-weight: 700; font-size: .9rem; color: var(--green-700); background: #fff; cursor: pointer;
}
.chip:hover, .chip.is-active { background: var(--green-600); color: #fff; border-color: var(--green-600); }

/* ---- Responsive ------------------------------------------------------- */
@media (max-width: 900px) {
  .post__grid { grid-template-columns: 1fr; }
  .toc { position: static; }
}