<style>

:root{
    --fe-blue:#0d5cab;
    --fe-light-blue:#2da8ff;
    --fe-green:#7bc043;
    --fe-dark:#0f172a;
    --fe-text:#334155;
    --fe-bg:#f3f8fc;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:'Montserrat',sans-serif;
    background:linear-gradient(to bottom,#eef7ff,#f9fcff);
    color:var(--fe-text);
}

/* HERO */

.hero{
    position:relative;
    background:
    linear-gradient(rgba(8,25,48,.72), rgba(8,25,48,.78)),
    url('images/library-bg.png') center center/cover;
    padding:120px 20px;
    text-align:center;
    color:white;
    overflow:hidden;
}

.hero:before{
    content:'';
    position:absolute;
    width:700px;
    height:700px;
    background:rgba(45,168,255,.18);
    border-radius:50%;
    top:-300px;
    right:-150px;
    filter:blur(40px);
}

.hero:after{
    content:'';
    position:absolute;
    width:500px;
    height:500px;
    background:rgba(123,192,67,.15);
    border-radius:50%;
    bottom:-250px;
    left:-100px;
    filter:blur(40px);
}

.hero h1{
    position:relative;
    z-index:2;
    font-size:64px;
    margin-bottom:20px;
    font-weight:700;
    letter-spacing:-2px;
}

.hero p{
    position:relative;
    z-index:2;
    max-width:760px;
    margin:auto;
    font-size:22px;
    line-height:1.7;
    color:#dce8f7;
}

/* MAIN CONTAINER */

.container{
    width:92%;
    max-width:1250px;
    margin:70px auto;
}

/* SECTION TITLE */

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:42px;
    margin-bottom:15px;
    color:var(--fe-dark);
}

.section-title p{
    color:#64748b;
    font-size:18px;
}

/* GRID */

.books-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:40px;
}

/* CARD */

.book-card{
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);
    border-radius:24px;
    overflow:hidden;
    box-shadow:0 15px 45px rgba(15,23,42,.08);
    transition:.35s ease;
    border:1px solid rgba(255,255,255,.5);
}

.book-card:hover{
    transform:translateY(-8px);
    box-shadow:0 25px 60px rgba(13,92,171,.18);
}

/* IMAGE AREA */

.book-image{
    background:linear-gradient(to bottom right,#edf6ff,#ffffff);
    text-align:center;
    padding:35px 25px 20px;
}

.book-image img{
    width:100%;
    max-width:240px;
    height:auto;
    transition:.3s ease;
}

.book-card:hover .book-image img{
    transform:scale(1.03);
}

/* CONTENT */

.book-content{
    padding:30px;
}

.book-content h3{
    font-size:30px;
    margin-bottom:14px;
    line-height:1.2;
    color:var(--fe-dark);
}

.book-content p{
    color:#64748b;
    line-height:1.7;
    font-size:16px;
}

.author{
    margin-top:20px;
    font-weight:700;
    color:var(--fe-blue);
    font-size:15px;
    letter-spacing:.5px;
}

/* BUTTON */

.book-btn{
    display:inline-block;
    margin-top:25px;
    padding:14px 28px;
    background:linear-gradient(to right,#0d5cab,#2da8ff);
    color:#ffffff;
    text-decoration:none;
    border-radius:100px;
    font-weight:700;
    font-size:15px;
    letter-spacing:.3px;
    transition:.3s ease;
    box-shadow:0 10px 25px rgba(13,92,171,.30);
    border:2px solid rgba(255,255,255,.15);
}

.book-btn:hover{
    transform:translateY(-2px);
    background:linear-gradient(to right,#0b4b8c,#1c90e8);
    box-shadow:0 15px 35px rgba(13,92,171,.40);
}

.book-content .book-btn{
    min-width:190px;
    text-align:center;
}

/* COMING SOON */

.coming-soon{
    margin-top:90px;
    background:linear-gradient(135deg,#0d5cab,#2da8ff);
    padding:70px 40px;
    border-radius:28px;
    text-align:center;
    color:white;
    box-shadow:0 25px 60px rgba(13,92,171,.18);
}

.coming-soon h2{
    font-size:42px;
    margin-bottom:20px;
}

.coming-soon p{
    font-size:19px;
    line-height:1.8;
    max-width:800px;
    margin:15px auto;
    color:#e8f4ff;
}

/* FOOTER */

.footer{
    text-align:center;
    padding:50px 20px;
    color:#64748b;
    font-size:15px;
}

/* MOBILE */

@media(max-width:768px){

    .hero{
        padding:90px 20px;
    }

    .hero h1{
        font-size:42px;
        line-height:1.1;
    }

    .hero p{
        font-size:18px;
    }

    .section-title h2{
        font-size:34px;
    }

    .coming-soon{
        padding:50px 25px;
    }

    .coming-soon h2{
        font-size:34px;
    }

}

</style>
