body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

h1 {
/*  font-size: 1.6em; */
}

h2 {
/*  font-size: 1.2em;*/
}

p {
  font-size: 18px;
/*  font-size: min(1.9vw, 22.5px); */
}

ul li {
  font-size: 16px;
}

header {
  width: 100%;
  height: 60px;
  position: fixed;
  top: 0px;
  background: #f9f9f9;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1), 0 2px 4px 0 rgba(0, 0, 0, 0.09);
  display: grid;
  grid-template-columns: 1.0fr 2.0fr 1.0fr;
  align-content: center;
}

header img {
  height: 40px;
  padding-left: 10px;
  justify-self: start;
}

header a {  }

header a img {
  padding-top: 4px;
}

header h1 {
  justify-self: center;
  align-self: center;
font-size: 1.2em;
}


footer {
  width: 100%;
  height: 30px;
  position: fixed;
  bottom: 0px;
  text-align: center;
  background: #f9f9f9;
  box-shadow: 0px 0px 2px 0px rgba(0, 0, 0, 0.15);
}

footer small {
  line-height: 30px;
}

.container {
  width: 80%;
  max-width: 900px;
  margin-top: 66px;
  margin-inline: auto;
}

.container h1 {
  font-size: min(3.5vw, 2.6em); 
}

.container h2 {
  font-size: min(3vw, 2.2em); 
  margin-bottom: 0px;
}

.container h3, .container h4 {
  margin-top: 8px;
  margin-bottom: 10px;
}

.hero-section {
  width: 100%;
}

.hero-section img {
  width: 80%;
  margin-left: 10%;
  margin-top: 8px;
}

.hero-section h2 {
  font-size: min(1.2em, 3.2vw);
}

.heroImg {
  width: 80%;
  margin-left: 10%;
}

.heroImg img{
  width: 30%;
  margin-left: 35%;
}

.heroImg2 img{
  width: 50%;
  margin-left: 25%;
}

.grid-container {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, 1fr);
  gap: 8px;
}

.grid-container section {
  padding: 4px;
}

.grid-slide {
  width: 80%;
  margin-left: 10%;
}

.grid-img-desc {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: 10px;
}

.grid-slide-title {
  margin-top: 8px;
  margin-bottom: -10px;
  text-align: center;
  font-size: min(4.0vw, 26px);
  font-weight: 600;
}

.cover-img-purchase {
  width: 30%;
  margin-left: 35%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cover-img-purchase img {
  width: 100%;
  margin-bottom: 6px;
}

.cover-img-purchase a {
  width: 80%;
  margin-left: 6%;
  margin-top: 0px;
  padding: 4px 4px 4px 4px;
  text-decoration: none;
  text-align: center;
  font-size: 80%;
  color: white;
  background: #37a;
  border-radius: 6px;
}

.cover-img-purchase a:hover {
  color: rgba(1.0, 1.0, 1.0, 0.7);
}

.item-purchase { 
  width: 80%;
  line-height: min(4vw, 20px);
  margin-left: 10%;
  display: grid;
  grid-template-columns: repeat(auto-fit, 1fr);
  justify-content: center;
}

.item-purchase a {
  width: 80px;
  margin-top: 0px;
  padding: 2px 2px 2px 2px;
  text-decoration: none;
  text-align: center;
  color: white;
  font-size: 80%;
  background: #37a;
  border-radius: 6px;
}

.grid-book-title {
  text-align: center;
  align-self: start;
/*  font-size: 2.5vw;*/
  font-size: min(3.4vw, 28px);
  padding: 10px 0px;
  margin-bottom: 0px;
}

.grid-book-title a {
  text-decoration: none;
  color: #138;
}

.grid-book-title a:hover {
  color: rgba(1.0, 1.0, 1.0, 0.5);
} 


.grid-book-description {
  padding: 0px 4px;
  margin-left: 4%;
}

.grid-samples-3 {
  width: 100%;
  padding: 4px;
  height: auto;
  display: grid;
  grid-gap: 8px;
  grid-template-columns: 1.0fr 1.0fr 1.0fr;
}

.grid-samples-3 img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 2 2px 4px 2px rgba(0, 0, 0, 0.1);
}

.grid-samples-1 {
  width: 100%;
  padding: 4px;
  height: auto;
  display: grid;
  grid-gap: 8px;
  grid-template-columns: 1.0fr;
}

.grid-samples-1 img {
  width: 80%;
  margin-left: 10%;
  border-radius: 6px;
  box-shadow: 2 2px 4px 2px rgba(0, 0, 0, 0.1);
}

.grid-samples-single-cover {
  padding: 4px;
  height: auto;
  display: grid;
  grid-gap: 8px;
  grid-template-columns: 1.0fr;
}

.grid-samples-single-cover img {
  width: 40%;
  margin-left: 30%;
  border-radius: 6px;
  box-shadow: 2 2px 4px 2px rgba(0, 0, 0, 0.1);
}

.grid-samples-2 {
  width: 80%;
  margin-left: 10%;
  padding: 4px;
  height: auto;
  display: grid;
  grid-gap: 8px;
  grid-template-columns: 1.0fr 1.0fr;
}

.grid-samples-2 img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 2px 2px 4px 2px rgba(0, 0, 0, 0.1);
}

section {
  padding: 0px 10px 0px 10px;
}

/*-----------------------------------------------------------*/
/* mdeia min-widht 800px */
@media only screen and (min-width: 800px) {

.grid-slide {}

.grid-img-desc {
  grid-template-columns: 1.0fr 4fr;
}

.grid-img-desc img {  }

.grid-img-desc a {  }

.grid-img-desc p {
  margin: 0;
  padding: 0px 8px;
}

.grid-img-desc ul {
  overflow-wrap: break-word;
}

.grid-slide img {  }

.grid-slide-title {
  width: 100%;
}

.grid-book-title {
  margin-top: 2%;
  font-size: min(2.6vw, 20px); 
}

.grid-book-description {
  align-self: center;
}


.grid-book-description p {
  align-self: center;
}

.grid-book-description ul{
  font-size: 16px;
  line-height: 19px;
}

.cover-img-purchase {
  width: 100%;
  align-self: center;
  justify-self: end;
}

.cover-img-purchase img {
    width: 100%;
}

.cover-img-purchase a {
  width: 80%;
  margin-left: 10%;
  margin-top: 0px;
  padding: 4px 0px 4px 0px;
  text-decoration: none;
  border-radius: 6px;
}

}


/* Media queries for different screen sizes */
/*@media only screen and (min-width: 1200px) {

}*/

/*
@media only screen and (max-width: 1024px) {

}



@media only screen and (max-width: 768px) {

}

@media only screen and (max-width: 480px) {


}*/