.hero-book{
display:grid;
grid-template-columns:260px 1fr;
gap:40px;
margin-top:40px;
}

.hero-book img{
width:260px;
border-radius:14px;
box-shadow:0 12px 25px rgba(0,0,0,0.15);
}

.book-cover{
display:flex;
flex-direction:column;
align-items:center;
}

.book-buy-button{
margin-top:16px;
background:#356fa6;
color:white;
padding:12px 18px;
border-radius:8px;
}

.book-gallery{
display:grid;
grid-template-columns:repeat(3,auto);
justify-content:center;
gap:24px;
margin-top:20px;
margin-bottom:20px;
}

.book-gallery img{
width:100%;
max-width:260px;
aspect-ratio:4/5;
object-fit:cover;
border-radius:12px;
box-shadow:0 8px 22px rgba(0,0,0,0.12);
transition:transform .25s ease;
}

.book-buy h2{
font-family:'Playfair Display',serif;
margin-bottom:10px;
color:#333;
}

.buy-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
gap:14px;
margin-top:25px;
}

.buy-item{
background:#f5f5f5;
border-radius:8px;
padding:12px 14px;
display:flex;
flex-direction:column;
align-items:center;
justify-content:center;
text-align:center;
border:1px solid #e3e3e3;
min-width:150px;
}

.buy-link{
font-family:'Playfair Display',serif;
font-size:1rem;
text-decoration:none;
color:#2f6fb3;
font-weight:600;
display:block;
margin-top:3px;
}

.book-sample-link-wrap{
margin-top:16px;
margin-bottom:0;
}

.book-sample-link{
display:inline-block;
font-size:.85rem;
font-weight:500;
color:#356fa6;
text-decoration:none;
padding:6px 14px;
border:1px solid #356fa6;
border-radius:6px;
background:transparent;
transition:background .2s,color .2s;
}

.book-sample-link:hover{
background:#356fa6;
color:#fff;
}

/* =========================
RESPONSIVE
========================= */

@media(max-width:768px){

.hero-book{
grid-template-columns:1fr;
text-align:center;
}

.hero-book img{
width:220px;
}

.book-cover{
margin-bottom:20px;
}

.book-gallery{
grid-template-columns:repeat(2,minmax(140px,1fr));
}

}

@media(max-width:480px){

.hero-book img{
width:200px;
}

.book-gallery{
grid-template-columns:1fr;
}

}