/* El libro: estilos específicos sobre la hoja editorial compartida. */
.book-presentation { display: grid; grid-template-columns: minmax(0, 1fr); gap: 34px; align-items: start; }
.book-cover { width: 100%; max-width: 380px; margin: 0 auto; }
.book-cover img { display: block; width: 100%; height: auto; box-shadow: 1px 4px 9px #65523416, 4px 12px 24px #6552341c; }
.book-cover figcaption { margin-top: 22px; font-size: .95rem; font-style: italic; line-height: 1.75; text-align: center; color: #776b58; }
.book-introduction { max-width: 560px; margin: 0 auto; }
.book-introduction p, .book-request > p { margin: 0 0 20px; font-size: 1rem; line-height: 1.85; }
.book-introduction p:last-child { margin-bottom: 0; }
.book-introduction .book-reflection { font-style: italic; font-size: 1.08rem; }
.book-request { max-width: 650px; margin: 52px auto 0; text-align: center; }
.book-request h2 { margin: 0 0 22px; font-weight: 400; font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.35; color: #302016; }
.book-request-button { max-width: 100%; min-height: 48px; margin-top: 8px; padding: 16px 32px; border: 1px solid #302016; border-radius: 5px; background: #302016; color: #fff5dc; font: inherit; font-size: 1.08rem; line-height: 1.4; box-shadow: 0 3px 8px #30201618; opacity: 1; -webkit-text-fill-color: #fff5dc; cursor: default; }
.book-request .book-request-status { margin: 12px 0 0; font-size: .85rem; line-height: 1.6; color: #776b58; }
.book-request-access { margin: 0; }
.book-request-button:not(:disabled) { cursor: pointer; }
@media (min-width: 850px) {
  .book-presentation { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 40px; }
  .book-introduction { align-self: center; }
  .book-introduction p, .book-request > p { font-size: 1.08rem; line-height: 1.95; }
  .book-introduction .book-reflection { font-size: 1.15rem; }
  .book-request { margin-top: 65px; }
}