.libro-detalle-principal {
  padding-bottom: 3em;
}

.btn-fragmento {
  display: block;
  text-align: center;
  margin-top: 15px;
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-green-darker);
  border: 2px solid var(--color-green-darker);
  border-radius: 30px;
}

.btn-fragmento:hover {
  background-color: var(--color-green-darker);
  color: var(--color-white);
}

.libro-seccion {
  padding: 4em 0;
}

.libro-seccion-alt {
  background-color: var(--color-bg-soft);
}

.libro-seccion-contenido p {
  margin-bottom: 15px;
  line-height: 1.7;
}

.libro-enlaces-lista {
  list-style: none;
  max-width: 700px;
}

.libro-enlaces-lista li {
  margin-bottom: 12px;
}

.libro-enlaces-lista a {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-green-darker);
  text-decoration: underline;
}

.libro-video-item {
  max-width: 800px;
  margin: 0 auto 3em;
  text-align: center;
}

.libro-video-item:last-child {
  margin-bottom: 0;
}

.libro-video-item h3 {
  margin-bottom: 15px;
}

.libro-video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 15px;
}

.libro-video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.libro-video-item p {
  text-align: left;
  color: var(--color-dark);
}

.libro-galeria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.libro-galeria-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
}

@media (max-width: 767px) {
  .libro-galeria-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.libro-detalle-espacio-final {
  height: 4em;
}