*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: Georgia, 'Times New Roman', Times, serif;
    background: linear-gradient(to right, #00362c, #000000);
    color: white;
}
.header img{
    vertical-align: middle;
    margin-right: 10px;
    border-radius: 50%;
}
img{
    vertical-align: middle;
    margin: 5px;
}
.header{
    display: flex;
    margin-top: 10px;
    align-items: center;
    justify-content: space-between;
    padding: 20px 80px 20px 20px;
}
.brand{
    display: flex;
    align-items: center;
    gap: 10px;
}
a{
    text-decoration: none;
    color: white;
}
a:hover{
    color:#F5C857 ;
}
a{
    font-weight: bold;
    transition: all 0.3s;
}
.nav-links{
    display: flex;
    gap: 60px;
    font-size: 20px;
}
.nav-links a{
    transition: color 0.3s;
}
i.cart{
    cursor: pointer;
}
i{
    font-size: 24px;
}
i.nav-links:hover{
    color:#F5C857 ;
}
.hero-section{
    text-align: center;
    padding: 100px 20px 70px;
}
.hero-section h2{
    font-size: 48px;
    margin-bottom: 20px;
}
.hero-section p{
    font-size: 24px;
    color: #D3D3D3;
}
.hero-section::after{
    content: "";
    display: block;
    width: 100px;
    height: 4px;
    background-color: #F5C857;
    margin: 20px auto 0px auto;
}
.filter-search{
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}
.filter-search select, .filter-search input{
    padding: 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
}
.filter-search select{
    margin-right: 10px;
}
.filter-search input{
    width: 300px;
} 
.book-list{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 3fr));
  gap: 20px;
  padding: 15px 20px 40px 20px;
}

.book-card{
  background-color: #5e5e5e;
  color: white;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  padding: 15px;
}

.book-card img{
  width: 150px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 10px;
}

.book-card:hover{
  transform: translateY(-5px);
  background-color: #F5C857;
  color: black;
  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2);
  .add-to-cart-btn{
    background: #000000;
    color: white;
  }
}
.add-to-cart-btn{
  background: #F5C857;
  border: none;
  color: black;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 999px;
  padding: 8px 16px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.add-to-cart-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(0,0,0,0.35);
}

.add-to-cart-btn:active{
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}