body {
    background-color: #fff;
    font-family: Inter, sans-serif;
    margin-bottom: 10px;
}
.logo {
     width: 40%;
    height: auto;
   max-width: 240px;
   min-width: 140px;
}
header {
width: 70%;
height: auto;
margin: 0 auto;
text-align: center;
min-width: 260px;
max-width: 900px;
margin-bottom: 2rem;
}

header div {
    height: auto;
    margin: 0 auto;
    min-width: 260px;
    max-width: 600px;
}

h1 {
    font-size: 2.5rem;
    font-weight: bolder;
    
}
p {
    font-size: 1.3rem;
}
h2 {
font-size: 1.86rem;
margin-bottom: 2rem;
}

h3{
font-size: 1.55rem;
}

span {
    font-size: 14rem;
}

li {
    font-size: 1.4rem;
}
ul {
    margin-bottom: 10px;
}
.honest {
    color: rgb(230, 230, 230,);
    font-style: italic;
    font-size: 1rem;
}
.skip {
    text-align: center;
    margin: 0;
}

.book {
width: 85%;
height: auto;
min-width: 300px;
max-width: 1200px;
margin: 2rem auto;
background-color: rgb(245, 245, 235);
border-radius: 2rem;
padding: 2rem;
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.book:hover {
transform: translateY(-3px);
box-shadow: 0 6px 14px rgba(0,0,0,0.08);
}
.book-div {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 30px;
}
.book-image {
width: 30%;
}
@media (max-width: 768px) {
    .book {
        width: 95%;  
        padding: 1rem; 
    }
    .book-div {
        flex-direction: column;
        gap: 1rem;
    }
    .book-image {
        width: 100%;
        max-width: 100%;
    }
}

.button {
margin: 10px auto;
background-color: rgb(46, 125, 50);
padding: 12px 30px;
width: 55%;
border-radius: 10px;
text-align: center;
color: white;
display: block;
cursor: pointer;
font-size: 1.5rem;
font-weight: 650;
transition: background-color 0.2s ease;
max-width: 300px;
min-width: 100px;
text-decoration: none;
}

.button:hover {
 background-color: rgb(67,160,71);
}
img{
    max-width: 100%;
    height: auto;
}
.explanation {
   margin: 10px auto; 
   width: 70%;
   text-align: left;
}
.explanation h3 {
font-size: 1.38rem;
}

#explanation-h3-1::before {
content: "📘";
margin-right: 0.4rem;
}

#explanation-h3-2::before {
content: "⚡";
margin-right: 0.4rem;
}

#explanation-h3-3::before {
content: "📌";
margin-right: 0.4rem;
}

#explanation-h3-4::before {
content: "📝";
margin-right: 0.4rem;
}

ul li::marker {
  font-size: 1.5em; 
}