/* =========================
  under-nav_art
========================= */

.under-nav {
  background-image: url("../web-assets/web_backgrounds/primer_capitulo.webp");

}

.header-main {
 
  background-image: url("../web-assets/web_backgrounds/nav-bar_element_art.webp");
  
}
/* 
/* =========================
   BOOK SYNOPSIS      
========================= */

.book-synopsis {
  background: #fff;
  padding: 40px 15px 60px;
}

.book-synopsis .inner {
  max-width: 1200px;
  margin: 0 auto;
}

.synopsis-nav {
  font-size: 13px;
  margin-bottom: 25px;
}

.synopsis-nav a {
  color: #000;
  text-decoration: none;
  margin: 0 4px;
}

.synopsis-text {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 35px;
}

.synopsis-text p:not(:last-child) {
  margin-bottom: 15px;
}

.synopsis-content {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: flex-start;
}


.book-cover img {
  width: 100%;
  height: auto;
  display: block;
}


.book-data {
  font-size: 13px;
  line-height: 1.6;
}

.book-data h3 {
  font-size: 14px;
  margin-bottom: 10px;
}

.book-data p {
  margin-bottom: 6px;
} 

/* ≤770px */
@media (max-width: 770px) {
  .synopsis-content {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .book-cover {
    max-width: 220px;
  }
} 


/* =========================
   PDF READER LAYOUT
========================= */

.reader-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  margin-top: 30px;
}

.reader-side img {
  width: 100%;
  display: block;
  margin-bottom: 15px;
}

.pdf-download {
  font-size: 13px;
  color: #000;
  text-decoration: none;
}

.pdf-side iframe {
  width: 100%;
  height: 80vh;
  border: 1px solid #000;
}

/* Mobile */
@media (max-width: 770px) {
  .reader-layout {
    grid-template-columns: 1fr;
  }

  .pdf-side iframe {
    height: 60vh;
  }
 
}