/* ============================================
   SILAS DAKAR — PÁGINAS INDIVIDUALES DE LIBROS
   ============================================
   Extiende site.css. Solo añade lo específico
   a la página de un libro (hero del libro,
   estructura temática, autores, formatos,
   companion).
   ============================================ */

/* ============================================
   BACK LINK — banda de retorno al inicio
   ============================================ */
.back-bar {
  margin-top: 5rem;
  padding: 1.2rem 3rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.back-link {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s ease, gap 0.3s var(--ease);
}

.back-link:hover {
  color: var(--accent);
  gap: 0.9rem;
}

.back-link svg {
  width: 18px; height: 10px;
}

/* ============================================
   BOOK HERO — portada grande + info
   ============================================ */
.book-hero {
  padding: 5rem 3rem 5rem;
  position: relative;
  z-index: 5;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-soft) 100%);
}

.book-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.book-hero-cover-wrap {
  position: relative;
}

.book-hero-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  box-shadow:
    0 35px 70px rgba(0,0,0,0.20),
    0 15px 35px rgba(0,0,0,0.12),
    0 5px 15px rgba(0,0,0,0.08);
}

.book-hero-flag {
  position: absolute;
  top: -1.2rem; left: -1.2rem;
  width: 60px; height: 60px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 10px 25px rgba(0,0,0,0.18);
}

.book-hero-info {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.book-collection {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.book-collection::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.book-hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0.3rem 0 0.5rem;
}

.book-hero-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.book-hero-shortdesc {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 1.2rem;
}

/* Frase clave (solo Las preguntas): destacada, color acento, italica */
.book-key-phrase {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--accent);
  padding: 0.8rem 0 0.8rem 1.2rem;
  border-left: 2px solid var(--accent);
  margin: 0.4rem 0 0.8rem;
  max-width: 540px;
}

.book-hero-meta {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.book-hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.book-hero-meta-label {
  font-family: var(--sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-soft);
}

.book-hero-meta-value {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink);
}

.book-hero-cta {
  margin-top: 1.8rem;
  padding: 1.5rem 1.6rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 460px;
}

.cta-eyebrow {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

/* Cada bloque dentro de la caja: nombre de tienda + formatos abajo */
.cta-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cta-store-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
}

.cta-store-formats {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.4;
}

.book-hero-alert {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 0.95rem 1.6rem;
  cursor: pointer;
  border-radius: 999px;
  transition: all 0.3s ease;
  text-align: center;
  margin-top: 0.4rem;
}

.book-hero-alert:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.cta-note {
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--muted-soft);
  text-align: center;
  margin-top: -0.2rem;
}

/* CTA repetido después de la descripción larga */
.book-cta-repeat {
  padding: 4rem 3rem;
  background: var(--paper-soft);
  text-align: center;
  position: relative;
  z-index: 5;
}

.cta-repeat-inner {
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.cta-repeat-phrase {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.cta-repeat-date {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.cta-repeat-btn {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 1rem 2rem;
  cursor: pointer;
  border-radius: 999px;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.cta-repeat-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.book-hero-launch-tag {
  display: none;
}

/* ============================================
   SECCIONES de cuerpo
   ============================================ */
.book-section {
  padding: 5rem 3rem;
  position: relative;
  z-index: 5;
}

.book-section-narrow {
  max-width: 760px;
  margin: 0 auto;
}

.book-section-wide {
  max-width: 1080px;
  margin: 0 auto;
}

.book-section-head {
  margin-bottom: 2.5rem;
}

.book-section-eyebrow {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.book-section-eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.book-section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.book-section-title em { font-style: italic; color: var(--accent); }

/* DESCRIPCIÓN LARGA */
.book-longdesc {
  background: var(--paper);
}

.book-longdesc p {
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}

.book-longdesc p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 5rem;
  font-weight: 300;
  font-style: italic;
  line-height: 0.85;
  float: left;
  margin: 0.4rem 0.6rem 0 0;
  color: var(--accent);
}

/* Microfrase curatorial — nota lateral al final, sin encabezado */
.book-longdesc p.curatorial-note {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--accent);
  text-align: center;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.book-longdesc p.curatorial-note::first-letter {
  font-size: inherit;
  float: none;
  margin: 0;
  color: inherit;
}

.book-longdesc p.curatorial-note em {
  font-style: italic;
  font-weight: 400;
}

/* ESTRUCTURA TEMÁTICA */
.book-sections {
  background: var(--paper-soft);
}

.sections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.section-card {
  padding: 1.8rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  position: relative;
  transition: border-color 0.4s ease, transform 0.5s var(--ease);
}

.section-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.section-card-roman {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.section-card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1.15;
  color: var(--ink);
}

/* AUTORES */
.book-authors {
  background: var(--paper);
}

.authors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin-top: 1rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.authors-list .author {
  display: inline-flex;
  align-items: center;
}

.authors-list .author:not(:last-child)::after {
  content: '·';
  margin-left: 1.5rem;
  color: var(--muted-soft);
}

/* DISPONIBILIDAD — bloques por tienda con contexto */
.book-formats {
  background: var(--paper-soft);
}

.availability-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.store-block {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.8rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-bottom: none;
  transition: border-color 0.4s ease;
}

.store-block:first-child {
  border-radius: 4px 4px 0 0;
}

.store-block:last-child {
  border-bottom: 1px solid var(--line);
  border-radius: 0 0 4px 4px;
}

.store-block.available:hover {
  border-color: var(--accent);
  z-index: 1;
}

.store-block-name {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.store-block-context {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.store-block-link {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--ink-soft);
  border-radius: 999px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.store-block-link:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.avail-note {
  margin-top: 1.5rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
}

/* COMPANION BLOCK */
.book-companion {
  padding: 5rem 3rem;
  background: var(--ink);
  color: var(--paper);
  position: relative;
  z-index: 5;
}

.companion-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: 3rem;
  align-items: center;
}

.companion-cover {
  position: relative;
}

.companion-cover img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.companion-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.companion-eyebrow {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.companion-phrase {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.3;
  color: var(--paper);
}

.companion-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--accent-soft);
  margin-top: 0.5rem;
}

.companion-link {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--paper-soft);
  border-radius: 999px;
  align-self: flex-start;
  margin-top: 1rem;
  transition: all 0.3s ease;
}

.companion-link:hover {
  background: var(--paper);
  color: var(--ink);
}

/* RECOMMENDED FOR (en Las preguntas) */
.book-recommended {
  background: var(--paper);
}

.recommended-quote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--ink-soft);
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  margin-top: 1rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .book-hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .book-hero-cover-wrap { max-width: 420px; margin: 0 auto; }
  .sections-grid { grid-template-columns: 1fr 1fr; }
  .formats-grid { grid-template-columns: 1fr; gap: 2rem; }
  .companion-inner { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .companion-cover { max-width: 240px; margin: 0 auto; }
  .companion-link { align-self: center; }
}

@media (max-width: 768px) {
  .back-bar { margin-top: 4rem; padding: 0.9rem 1.2rem; }
  .book-hero { padding: 2rem 1.2rem 2.5rem; }
  .book-hero-inner { gap: 1.8rem; }
  .book-hero-cover-wrap { max-width: 65%; }
  .book-hero-flag { width: 40px; height: 40px; font-size: 1.1rem; top: -0.6rem; left: -0.6rem; }
  .book-hero-title { font-size: clamp(2rem, 9vw, 2.8rem); }
  .book-hero-subtitle { font-size: 1.05rem; }
  .book-hero-shortdesc { font-size: 0.95rem; }
  .book-hero-meta { gap: 1rem; flex-direction: row; padding-top: 1rem; }
  .book-hero-meta-value { font-size: 0.9rem; }

  /* Disponibilidad: bloques verticales en móvil */
  .store-block {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding: 1.4rem 1.2rem;
    text-align: left;
  }
  .store-block-name { font-size: 0.65rem; letter-spacing: 0.22em; }
  .store-block-context { font-size: 0.95rem; line-height: 1.5; }
  .store-block-link { align-self: flex-start; font-size: 0.65rem; padding: 0.6rem 1rem; }

  /* CTA hero compacto en móvil */
  .book-hero-cta {
    padding: 1.2rem 1.3rem;
    margin-top: 1.2rem;
    gap: 0.8rem;
  }
  .cta-store-name { font-size: 0.95rem; }
  .cta-store-formats { font-size: 0.88rem; }
  .cta-eyebrow { font-size: 0.6rem; letter-spacing: 0.22em; }
  .book-hero-alert { padding: 0.85rem 1.2rem; font-size: 0.7rem; }
  .cta-note { font-size: 0.65rem; }

  /* CTA repetido más compacto */
  .book-cta-repeat { padding: 2.5rem 1.2rem; }
  .cta-repeat-phrase { font-size: 1.15rem; }
  .cta-repeat-btn { padding: 0.85rem 1.5rem; font-size: 0.7rem; }

  .book-section { padding: 3rem 1.2rem; }
  .book-section-title { font-size: clamp(1.6rem, 7vw, 2.2rem); }

  .book-longdesc p { font-size: 1.05rem; line-height: 1.6; }
  .book-longdesc p:first-child::first-letter { font-size: 3.8rem; }

  .sections-grid { grid-template-columns: 1fr; gap: 0.8rem; }
  .section-card { padding: 1.3rem 1.2rem; }

  .authors-list { gap: 0.3rem 1rem; font-size: 0.95rem; }
  .authors-list .author:not(:last-child)::after { margin-left: 1rem; }

  .book-companion { padding: 3rem 1.2rem; }
  .companion-phrase { font-size: 1.4rem; }
}

/* ═════════════════════════════════════════════════════════
   EDICIONES — strip de portadas para libros multi-edición
   ═════════════════════════════════════════════════════════ */
.book-editions {
  padding: 5rem 1.5rem;
  background: var(--paper-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.editions-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.editions-head {
  text-align: center;
  margin-bottom: 3rem;
}
.editions-eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.editions-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--ink);
  margin: 0;
  font-style: italic;
}
.editions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  align-items: end;
}
.edition-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease;
}
.edition-card:hover {
  transform: translateY(-4px);
}
.edition-cover {
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  margin-bottom: 0.9rem;
  background: #fff;
}
.edition-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.edition-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Responsive: tablet → 3 cols, móvil → 2 cols */
@media (max-width: 900px) {
  .editions-grid { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
  .editions-title { font-size: 1.6rem; }
}
@media (max-width: 600px) {
  .editions-grid { grid-template-columns: repeat(2, 1fr); }
  .book-editions { padding: 3rem 1rem; }
  .editions-title { font-size: 1.4rem; }
}

/* Editions extra — nota al pie del strip (multilanguage, etc.) */
.editions-extra {
  margin-top: 2.5rem;
  text-align: center;
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}
.editions-extra em {
  font-style: italic;
}
.editions-extra-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.editions-extra-link:hover {
  border-bottom-color: var(--accent);
}