/* ============================================================
   BLACKSCALE — Artículo de blog · sistema de lectura
   Construido sobre bs.css (tokens de marca). Foco: legibilidad
   editorial + imágenes B/N con duotono burgundy para sostener
   la atención sin romper la base estética.
   ============================================================ */

/* ---------- Tratamiento de imagen de marca ---------- */
/* Toda foto editorial: escala de grises + calidez sutil + viñeta */
.bs-img {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1512, #11110f);
  border: 1px solid var(--border);
}
.bs-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1) contrast(1.04) brightness(0.84) sepia(0.12);
  transition: filter var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.bs-img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(85,28,37,0.42), rgba(85,28,37,0.02) 62%),
    linear-gradient(0deg, rgba(13,13,13,0.34), rgba(13,13,13,0) 55%);
  mix-blend-mode: normal;
}

/* ============ HERO FULL-BLEED (post-hero-b2) ============ */
.post-hero-b2 {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: -88px;          /* compensa el padding-top del body */
  padding-top: 88px;
  background: var(--black-deep);
}
.post-hero-b2 > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(0.62) sepia(0.1);
  z-index: 0;
}
.post-hero-b2__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(13,13,13,0.55) 0%, rgba(13,13,13,0.1) 32%, rgba(13,13,13,0.78) 82%, rgba(17,17,15,0.96) 100%),
    linear-gradient(108deg, rgba(85,28,37,0.5) 0%, rgba(85,28,37,0.06) 58%);
}
.post-hero-b2__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 96px;
  padding-bottom: 64px;
}
.post-hero-b2__breadcrumb,
.breadcrumb.post-hero-b2__breadcrumb {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 22px;
}
.post-hero-b2__breadcrumb a { color: var(--cream); text-decoration: none; opacity: 0.85; transition: color var(--t-fast); }
.post-hero-b2__breadcrumb a:hover { color: var(--gold); opacity: 1; }
.post-hero-b2__breadcrumb span { margin: 0 0.5rem; opacity: 0.5; }
.post-hero-b2__meta {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  font-weight: 500;
}
.post-hero-b2__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--cream-light);
  max-width: 22ch;
  margin: 0 0 22px;
}
.post-hero-b2__title em {
  font-style: italic;
  color: var(--gold);
}
.post-hero-b2__lead {
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.6;
  color: var(--cream);
  max-width: 56ch;
  margin: 0;
}

/* ============ LAYOUT ============ */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 4.5rem;
  align-items: start;
  padding: 4rem 0 5.5rem;
}
@media (max-width: 940px) {
  .blog-layout { grid-template-columns: 1fr; gap: 0; }
  .blog-sidebar { display: none; }
}

/* ============ CUERPO DEL ARTÍCULO ============ */
.blog-article {
  max-width: 720px;
  font-family: var(--sans);
}
.blog-article p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.16rem;
  line-height: 1.85;
  color: #e4dfd8;
  margin: 0 0 1.55rem;
  text-wrap: pretty;
}
.blog-article > section:first-of-type > p:first-of-type::first-letter,
.blog-article .has-dropcap::first-letter {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  float: left;
  font-size: 4.4rem;
  line-height: 0.82;
  padding: 0.4rem 0.7rem 0 0;
  color: var(--gold);
}
.blog-article h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--cream-light);
  margin: 3.4rem 0 1.25rem;
  padding-top: 1.1rem;
  position: relative;
}
.blog-article h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--gold);
}
.blog-article h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.22rem;
  line-height: 1.4;
  color: var(--gold);
  margin: 2.4rem 0 0.75rem;
}
.blog-article ul,
.blog-article ol {
  margin: 0 0 1.6rem;
  padding-left: 0;
  list-style: none;
}
.blog-article ul li,
.blog-article ol li {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.1rem;
  line-height: 1.75;
  color: #e4dfd8;
  margin-bottom: 0.85rem;
  padding-left: 1.9rem;
  position: relative;
}
.blog-article ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  transform: rotate(45deg);
}
.blog-article ol { counter-reset: bs-counter; }
.blog-article ol li { counter-increment: bs-counter; }
.blog-article ol li::before {
  content: counter(bs-counter);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gold);
}
.blog-article strong { color: var(--cream-light); font-weight: 600; }
.blog-article a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(209,156,21,0.32);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.blog-article a:hover { border-color: var(--gold); color: #e8b53a; }

/* ============ FIGURA: imagen + cita (c3-figure) ============ */
.c3-figure {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 0;
  margin: 3rem 0;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--surface);
}
.c3-figure--reverse { grid-template-columns: 1fr 1.25fr; }
.c3-figure--reverse .c3-figure__img { order: 2; }
.c3-figure--reverse .c3-figure__quote { order: 1; border-left: none; border-right: 1px solid var(--border); }
.c3-figure__img {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  background: linear-gradient(135deg, #1a1512, #11110f);
}
.c3-figure__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04) brightness(0.82) sepia(0.12);
}
.c3-figure__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(85,28,37,0.4), rgba(85,28,37,0.02) 60%);
  pointer-events: none;
}
.c3-figure__quote {
  border-left: 3px solid var(--burgundy);
  padding: 2.4rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.c3-figure__mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 3.6rem;
  line-height: 0.5;
  color: var(--gold);
  display: block;
  margin-bottom: 0.85rem;
  height: 1.3rem;
}
.c3-figure__quote p {
  font-family: var(--serif) !important;
  font-style: italic;
  font-weight: 400;
  font-size: 1.3rem !important;
  line-height: 1.34 !important;
  color: var(--cream-light);
  margin: 0 !important;
}
@media (max-width: 620px) {
  .c3-figure, .c3-figure--reverse { grid-template-columns: 1fr; }
  .c3-figure--reverse .c3-figure__img { order: 0; }
  .c3-figure--reverse .c3-figure__quote { order: 0; border-right: none; border-left: 3px solid var(--burgundy); }
  .c3-figure__img { min-height: 220px; }
}

/* ============ FIGURA: imagen ancha + caption (inline-figure) ============ */
.inline-figure {
  margin: 3rem 0;
}
.inline-figure__img {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 8;
  background: linear-gradient(135deg, #1a1512, #11110f);
}
.inline-figure__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04) brightness(0.84) sepia(0.12);
  transition: transform var(--t-med) var(--ease), filter var(--t-med) var(--ease);
}
.inline-figure:hover .inline-figure__img img { transform: scale(1.025); filter: grayscale(1) contrast(1.05) brightness(0.92) sepia(0.1); }
.inline-figure__img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(85,28,37,0.34), rgba(85,28,37,0.02) 60%),
    linear-gradient(0deg, rgba(13,13,13,0.3), rgba(13,13,13,0) 50%);
}
.inline-figure figcaption {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-style: italic;
  font-weight: 300;
  color: var(--muted);
  text-align: center;
  margin-top: 0.95rem;
  line-height: 1.5;
  padding: 0 1rem;
}

/* ============ CALLOUTS ============ */
.callout-impact,
.callout-action {
  margin: 2rem 0;
  padding: 1.6rem 1.85rem;
  border-radius: var(--r-sm);
}
.callout-impact {
  background: rgba(209,156,21,0.06);
  border: 1px solid rgba(209,156,21,0.22);
  border-left: 3px solid var(--gold);
}
.callout-action {
  background: rgba(85,28,37,0.16);
  border: 1px solid rgba(85,28,37,0.4);
  border-left: 3px solid var(--burgundy-mid);
}
.callout-impact .label,
.callout-action .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}
.callout-impact .label { color: var(--gold); }
.callout-action .label { color: var(--cream); }
.callout-impact .stat {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}
.callout-impact p,
.callout-action p {
  font-family: var(--sans) !important;
  font-weight: 300;
  font-size: 1.02rem !important;
  line-height: 1.7 !important;
  color: var(--text);
  margin: 0 !important;
}
.callout-action p + p { margin-top: 0.75rem !important; }

/* ============ PILARES ============ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  margin: 2.2rem 0 2.6rem;
}
@media (max-width: 640px) { .pillars { grid-template-columns: 1fr; } }
.pillar-card {
  background: var(--surface);
  padding: 1.8rem 1.6rem;
  border-top: 2px solid var(--burgundy);
  transition: background var(--t-med);
}
.pillar-card:hover { background: var(--surface-2); }
.pillar-card .pillar-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.9rem;
  font-weight: 400;
  color: rgba(209,156,21,0.55);
  display: block;
  margin-bottom: 0.7rem;
}
.pillar-card h4 {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--cream-light);
  margin: 0 0 0.6rem;
}
.pillar-card p {
  font-family: var(--sans) !important;
  font-weight: 300;
  font-size: 0.97rem !important;
  line-height: 1.65 !important;
  color: var(--muted-light);
  margin: 0 !important;
}
.pillar-card a { color: var(--gold); border-bottom: 1px solid rgba(209,156,21,0.3); text-decoration: none; }

/* ============ CTA INTERMEDIO + BLOQUE ============ */
.mid-cta {
  background: linear-gradient(120deg, rgba(85,28,37,0.22), rgba(17,17,15,0.6));
  border: 1px solid rgba(85,28,37,0.42);
  border-radius: var(--r-card);
  padding: 1.7rem 1.9rem;
  margin: 2.8rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.mid-cta p { margin: 0 !important; color: var(--cream-light) !important; font-size: 1.05rem !important; font-weight: 500 !important; font-family: var(--sans) !important; }
.mid-cta span { font-size: 0.92rem; color: var(--muted-light); font-weight: 300; display: block; margin-top: 0.3rem; }
.mid-cta a {
  background: var(--burgundy);
  color: var(--cream-light);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.8rem 1.5rem;
  border-radius: var(--r-sm);
  white-space: nowrap;
  text-decoration: none;
  border: none;
  transition: background var(--t-fast), color var(--t-fast);
}
.mid-cta a:hover { background: var(--burgundy-mid); color: var(--white); }

.cta-block {
  background: linear-gradient(135deg, rgba(85,28,37,0.26) 0%, rgba(17,17,15,0.85) 100%);
  border: 1px solid rgba(85,28,37,0.42);
  border-top: 2px solid var(--burgundy);
  padding: 2.8rem 2.2rem;
  border-radius: var(--r-card);
  text-align: center;
  margin: 3rem 0 1rem;
}
.cta-block h3 {
  font-family: var(--serif);
  font-weight: 300;
  color: var(--cream-light);
  font-size: 1.7rem;
  margin: 0 0 0.7rem;
}
.cta-block p { color: var(--muted-light) !important; margin: 0 0 1.6rem !important; font-size: 1rem !important; font-family: var(--sans) !important; }

/* ============ TOC ============ */
.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--gold);
  padding: 1.6rem 1.7rem;
  border-radius: var(--r-card);
  position: sticky;
  top: 108px;
}
.toc__title {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.1rem;
}
.toc ol { margin: 0; padding-left: 1.2rem; counter-reset: toc; }
.toc li { margin-bottom: 0.7rem; }
.toc a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--muted-light);
  text-decoration: none;
  border: none !important;
  line-height: 1.45;
  transition: color var(--t-fast);
}
.toc a:hover { color: var(--gold); }

.toc-mobile {
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  background: var(--surface);
  padding: 1.4rem 1.6rem;
  margin: 0 0 2.5rem;
  border-radius: var(--r-sm);
  display: none;
}
@media (max-width: 940px) { .toc-mobile { display: block; } }
.toc-mobile .toc__title { margin-bottom: 0.85rem; }
.toc-mobile ol { margin: 0; padding-left: 1.2rem; }
.toc-mobile li { margin-bottom: 0.5rem; }
.toc-mobile a { font-family: var(--sans); font-size: 0.95rem; font-weight: 300; color: var(--muted-light); text-decoration: none; border: none !important; }
.toc-mobile a:hover { color: var(--gold); }

/* ============ RELACIONADOS / FUENTES / FAQ ============ */
.post-extra { margin-top: 3rem; padding-top: 2.2rem; border-top: 1px solid var(--border); }
.post-extra__label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.2rem;
}
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: 1.3rem 1.4rem;
  text-decoration: none;
  transition: background var(--t-med), border-color var(--t-med), transform var(--t-med) var(--ease);
}
.related-card:hover { background: var(--surface-2); border-color: var(--border-light); transform: translateY(-3px); }
.related-card__tag {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.6rem;
}
.related-card__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.12rem;
  line-height: 1.3;
  color: var(--cream-light);
  margin: 0 0 0.8rem;
}
.related-card__arrow { font-family: var(--sans); font-size: 0.85rem; font-weight: 500; color: var(--gold); margin: 0; }

.faq-block { margin-top: 3rem; padding-top: 2.2rem; border-top: 1px solid var(--border); }
.faq-block > h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  color: var(--cream-light);
  margin: 0 0 1.6rem;
}
.faq-item { padding: 1.4rem 0; border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 {
  font-family: var(--sans);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--gold);
  margin: 0 0 0.65rem;
}
.faq-item p {
  font-family: var(--sans) !important;
  font-weight: 300;
  font-size: 1.08rem !important;
  line-height: 1.75 !important;
  color: var(--text);
  margin: 0 !important;
}

.sources { margin-top: 3rem; padding-top: 1.8rem; border-top: 1px solid var(--border); }
.sources-label {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
.sources ol, .sources ul { padding-left: 1.2rem; margin: 0; }
.sources li { font-size: 0.86rem; color: var(--muted); margin-bottom: 0.4rem; line-height: 1.55; }
.sources a { color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(209,156,21,0.3); }

/* ============ CHECKLIST (habilitación comercial) ============ */
.checklist-section {
  margin: 2rem 0 2.6rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--surface);
}
.checklist-section__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.4rem 1.8rem;
  background: rgba(85,28,37,0.16);
  border-bottom: 1px solid var(--border);
  border-top: 2px solid var(--burgundy);
}
.checklist-section__num {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}
.checklist-section__title {
  font-family: var(--serif) !important;
  font-weight: 400 !important;
  font-size: 1.45rem !important;
  color: var(--cream-light) !important;
  margin: 0 !important;
  padding: 0 !important;
}
.checklist-section__title::before { display: none !important; }

.checklist-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0;
  padding: 1.6rem 1.8rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-med);
}
.checklist-item:last-child { border-bottom: none; }
.checklist-item:hover { background: var(--surface-2); }
.checklist-item__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.75rem;
  font-weight: 400;
  color: rgba(209,156,21,0.6);
  line-height: 1.2;
}
.checklist-item__content { min-width: 0; }
/* Título de cada punto: NEGRILLA + BLANCO para que destaque */
.checklist-item__title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.42;
  color: #ffffff;
  margin: 0 0 0.55rem;
  text-wrap: pretty;
}
.checklist-item__desc {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--muted-light);
  margin: 0;
}
.checklist-item__benchmark {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0.85rem 0 0;
  padding: 0.75rem 1rem;
  background: rgba(209,156,21,0.05);
  border-left: 2px solid rgba(209,156,21,0.4);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.checklist-item__benchmark strong { color: var(--gold); }

/* ============ ESCALA DE DIAGNÓSTICO (score bands) ============ */
.score-scale {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  overflow: hidden;
  margin: 2rem 0;
}
.score-band {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.4rem;
  align-items: center;
  padding: 1.5rem 1.8rem;
  background: var(--surface);
  border-left: 3px solid var(--muted);
}
.score-band--green  { border-left-color: #4a7c59; }
.score-band--yellow { border-left-color: var(--gold); }
.score-band--orange { border-left-color: #c0712b; }
.score-band--red    { border-left-color: var(--burgundy-mid); }
.score-band__range {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--cream-light);
  white-space: nowrap;
}
.score-band__label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.06rem;
  color: #ffffff;
  margin-bottom: 0.35rem;
}
.score-band__desc {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--muted-light);
}
@media (max-width: 560px) {
  .checklist-item { grid-template-columns: 1fr; }
  .checklist-item__num { margin-bottom: 0.4rem; }
  .score-band { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ---------- Reveal sutil al entrar ---------- */
@media (prefers-reduced-motion: no-preference) {
  .blog-article .c3-figure,
  .blog-article .inline-figure,
  .blog-article .pillars,
  .blog-article .callout-impact,
  .blog-article .callout-action { will-change: opacity, transform; }
}