/* ============================================================
   ARIZTISAVALL Y SANGRE — Estilos de Lectura de Capítulos
   Tipografía optimizada · Experiencia inmersiva · Colonial
   ============================================================ */

/* ── BARRA DE PROGRESO DE LECTURA ──────────────────────── */
.barra-progreso {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-sangre), var(--color-oro));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}

/* ── HEADER DEL CAPÍTULO ───────────────────────────────── */
.cap-header {
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  padding: 8rem 2rem 5rem;
  position: relative;
  overflow: hidden;
}

.cap-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 60%, rgba(122,26,26,0.25) 0%, transparent 65%),
    linear-gradient(180deg, var(--color-noche) 0%, #2d0f05 60%, #1a0e06 100%);
  z-index: 1;
}

/* Número de capítulo decorativo */
.cap-header::after {
  content: attr(data-numero);
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(12rem, 20vw, 22rem);
  color: rgba(122,26,26,0.07);
  line-height: 1;
  letter-spacing: -0.05em;
  pointer-events: none;
  z-index: 0;
  font-weight: 900;
}

.cap-header__contenido {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.cap-header__libro {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--color-tierra);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.cap-header__libro::before {
  content: '';
  display: inline-block;
  width: 30px;
  height: 1px;
  background: var(--color-tierra);
}

.cap-header__numero {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--color-sangre);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.cap-header__titulo {
  font-family: var(--font-titulo);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--color-pergamino);
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.cap-header__titulo em {
  display: block;
  font-style: italic;
  color: var(--color-tierra);
  font-size: 0.7em;
  font-weight: 400;
}

.cap-header__meta {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.cap-header__meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--color-ceniza);
  text-transform: uppercase;
}

.cap-header__meta-item i {
  color: var(--color-tierra);
  font-size: 0.75rem;
}

/* ── CUERPO DE LECTURA ─────────────────────────────────── */
.cap-cuerpo {
  padding: 6rem 0 8rem;
  position: relative;
}

.cap-cuerpo::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-sangre), transparent);
}

.cap-texto {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
  font-family: var(--font-cuerpo);
  font-size: 1.18rem;
  line-height: 1.95;
  color: var(--color-humo);
}

/* ── SECCIONES DEL CAPÍTULO ────────────────────────────── */
.cap-seccion {
  margin-bottom: 5rem;
}

.cap-seccion__numero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.cap-seccion__numero::before,
.cap-seccion__numero::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(160,82,45,0.3), transparent);
}

.cap-seccion__num-texto {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--color-tierra);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.cap-seccion__titulo {
  font-family: var(--font-titulo);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-crema);
  margin-bottom: 2rem;
  font-style: italic;
  line-height: 1.3;
}

/* ── PÁRRAFOS ESPECIALES ───────────────────────────────── */
.cap-texto p {
  margin-bottom: 1.5em;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Párrafo de apertura */
.cap-texto .apertura {
  font-family: var(--font-titulo);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-crema);
  line-height: 1.7;
  margin-bottom: 2.5em;
}

/* Letra capital */
.cap-texto .capital::first-letter {
  font-family: var(--font-titulo);
  font-size: 4.5rem;
  font-weight: 900;
  color: var(--color-sangre);
  float: left;
  line-height: 0.75;
  margin: 0.15em 0.12em 0 0;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}

/* Diálogos */
.cap-texto .dialogo {
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--color-sangre);
  background: rgba(61,31,13,0.3);
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-crema);
  font-size: 1.05rem;
  line-height: 1.85;
}

.cap-texto .dialogo p { margin-bottom: 0.8em; }
.cap-texto .dialogo p:last-child { margin-bottom: 0; }

/* Pensamiento interior */
.cap-texto .pensamiento {
  font-style: italic;
  color: var(--color-oro-suave);
  font-size: 1.05em;
}

/* Separador de escena */
.cap-separador {
  text-align: center;
  margin: 3.5rem 0;
  color: var(--color-sangre);
  font-size: 1rem;
  letter-spacing: 0.8em;
  opacity: 0.5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.cap-separador::before,
.cap-separador::after {
  content: '';
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(122,26,26,0.5));
}

.cap-separador::after {
  background: linear-gradient(to left, transparent, rgba(122,26,26,0.5));
}

/* Cita/Epígrafe */
.cap-epigrafe {
  max-width: 560px;
  margin: 0 auto 5rem;
  padding: 3rem 2.5rem;
  border: var(--borde-oro);
  border-top: 3px solid var(--color-sangre);
  text-align: center;
  position: relative;
  background: rgba(61,31,13,0.2);
}

.cap-epigrafe::before {
  content: '"';
  font-family: var(--font-titulo);
  font-size: 7rem;
  color: rgba(122,26,26,0.15);
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
}

.cap-epigrafe p {
  font-family: var(--font-titulo);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-crema);
  line-height: 1.8;
  margin: 0;
}

.cap-epigrafe cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--color-tierra);
  text-transform: uppercase;
  font-style: normal;
}

/* Nota del cuaderno (Chayito) */
.cuaderno-negro {
  background: linear-gradient(160deg, #0d0806, #1a0e06);
  border: 1px solid rgba(201,153,58,0.25);
  border-left: 4px solid var(--color-oro);
  padding: 2.5rem 2.5rem 2.5rem 3rem;
  margin: 3rem 0;
  position: relative;
  font-family: var(--font-cuerpo);
  font-style: italic;
  color: var(--color-humo);
  font-size: 1rem;
  line-height: 1.9;
}

.cuaderno-negro::before {
  content: 'Cuaderno Negro — Chayito';
  display: block;
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  color: var(--color-oro);
  text-transform: uppercase;
  font-style: normal;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(201,153,58,0.2);
}

.cuaderno-negro p { margin-bottom: 0.7em; }
.cuaderno-negro p:last-child { margin-bottom: 0; }

/* ── FIN DEL CAPÍTULO ──────────────────────────────────── */
.cap-fin {
  text-align: center;
  padding: 4rem 2rem;
  border-top: var(--borde-tierra);
  margin-top: 5rem;
}

.cap-fin__ornamento {
  color: var(--color-sangre);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
  margin-bottom: 1.5rem;
  opacity: 0.6;
}

.cap-fin__texto {
  font-family: var(--font-titulo);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-ceniza);
  max-width: 500px;
  margin: 0 auto 3rem;
  line-height: 1.85;
}

/* ── NAVEGACIÓN ENTRE CAPÍTULOS ────────────────────────── */
.cap-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 2rem;
  border-top: var(--borde-tierra);
  max-width: 720px;
  margin: 0 auto;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cap-nav__anterior,
.cap-nav__siguiente {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 280px;
  text-decoration: none;
  transition: var(--transicion);
  padding: 1.2rem 1.5rem;
  border: var(--borde-tierra);
}

.cap-nav__anterior { align-items: flex-start; border-right: none; }
.cap-nav__siguiente { align-items: flex-end; text-align: right; border-left: none; }

.cap-nav__anterior:hover,
.cap-nav__siguiente:hover {
  border-color: var(--color-oro);
  background: rgba(61,31,13,0.3);
}

.cap-nav__etiqueta {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--color-ceniza);
  text-transform: uppercase;
}

.cap-nav__titulo {
  font-family: var(--font-titulo);
  font-size: 0.95rem;
  color: var(--color-crema);
  font-style: italic;
  line-height: 1.3;
  transition: var(--transicion);
}

.cap-nav__anterior:hover .cap-nav__titulo,
.cap-nav__siguiente:hover .cap-nav__titulo {
  color: var(--color-oro);
}

.cap-nav__indice {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-tierra);
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  border: var(--borde-tierra);
  transition: var(--transicion);
  flex-shrink: 0;
}

.cap-nav__indice:hover {
  border-color: var(--color-oro);
  color: var(--color-oro);
}

/* ── PANEL FLOTANTE DE LECTURA ─────────────────────────── */
.panel-lectura {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.panel-lectura__btn {
  width: 42px;
  height: 42px;
  background: rgba(26,8,2,0.9);
  border: var(--borde-tierra);
  color: var(--color-ceniza);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transicion);
  font-size: 0.9rem;
  backdrop-filter: blur(8px);
}

.panel-lectura__btn:hover {
  border-color: var(--color-oro);
  color: var(--color-oro);
}

.panel-lectura__progreso-texto {
  background: rgba(26,8,2,0.9);
  border: var(--borde-tierra);
  padding: 0.3rem 0.7rem;
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--color-ceniza);
  text-align: center;
  backdrop-filter: blur(8px);
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 768px) {
  .cap-texto {
    font-size: 1.05rem;
    padding: 0 1.2rem;
  }

  .cap-header { padding: 7rem 1.2rem 4rem; }
  .cap-header__titulo { font-size: 2rem; }
  .cap-header::after { display: none; }

  .cap-nav {
    flex-direction: column;
    align-items: stretch;
    padding: 2rem 1.2rem;
  }

  .cap-nav__anterior,
  .cap-nav__siguiente {
    max-width: 100%;
    align-items: flex-start;
    text-align: left;
  }

  .cap-nav__siguiente { align-items: flex-start; }
  .cap-nav__indice { text-align: center; }

  .panel-lectura { bottom: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
  .cap-epigrafe { padding: 2rem 1.5rem; }
  .cuaderno-negro { padding: 1.5rem; }
  .cap-seccion__titulo { font-size: 1.3rem; }
}