@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Poppins',sans-serif;
    background:
    radial-gradient(circle at top left,#4f00ff 0%,transparent 30%),
    radial-gradient(circle at top right,#00e5ff 0%,transparent 30%),
    #050505;
    color:white;
    min-height:100vh;
}

.hero{
    text-align:center;
    padding:60px 20px;
}

.hero h1{
    font-size:3.2rem;
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;

    background:linear-gradient(
        90deg,
        #ffffff,
        #00e5ff,
        #9d4edd,
        #ffffff
    );

    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;

    margin-bottom:15px;
}

.hero p{
    color:#cfcfcf;
    font-size:1.1rem;
}

.book-card{
    background:rgba(255,255,255,.05);

    backdrop-filter:blur(15px);

    border:1px solid rgba(255,255,255,.15);

    border-radius:20px;

    padding:18px;

    transition:.4s ease;

    overflow:hidden;

    position:relative;

    height:100%;
}

.book-card::before{
    content:'';

    position:absolute;

    top:0;
    left:0;

    width:100%;
    height:4px;

    background:linear-gradient(
        90deg,
        #00e5ff,
        #9d4edd,
        #00e5ff
    );
}

.book-card:hover{
    transform:translateY(-10px);

    box-shadow:
    0 0 20px rgba(0,229,255,.5),
    0 0 40px rgba(157,78,221,.4);
}

.book-card h4{
    color:white;
    font-weight:600;
    margin-bottom:5px;
}

.book-card p{
    color:#c9c9c9;
    font-size:.9rem;
    margin-bottom:15px;
}

iframe{
    width:100%;
    height:210px;

    border:none;

    border-radius:12px;
}

.container{
    max-width:1500px;
}

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-track{
    background:#111;
}

::-webkit-scrollbar-thumb{
    background:linear-gradient(
        #00e5ff,
        #9d4edd
    );
    border-radius:20px;
}

.footer{
    text-align:center;
    padding:40px;
    color:#777;
}