:root{

    --wisdom-gold:#ffd56a;
    --wisdom-dark:#0b1530;
    --wisdom-purple:#1b2454;
    --wisdom-light:#f8f6ef;

}

.ebook-hero{

    background:
    linear-gradient(
        rgba(4,10,30,.75),
        rgba(4,10,30,.85)
    ),
    url("images/book03.jpg");

    background-size:cover;
    background-position:center;

    color:#fff;

    padding:140px 20px;

}

.ebook-hero-inner{

    max-width:1200px;
    margin:auto;

    display:grid;
    grid-template-columns:1fr 1fr;

    gap:60px;
    align-items:center;

}

.book-cover img{

    width:100%;
    max-width:420px;

    border-radius:20px;

    box-shadow:
    0 20px 50px rgba(0,0,0,.5);

}

.hero-badge{

    display:inline-block;

    background:var(--wisdom-gold);

    color:#222;

    padding:10px 20px;

    border-radius:50px;

    font-weight:bold;

    margin-bottom:25px;

}

.hero-title h1{

    font-size:3rem;
    line-height:1.4;

    margin-bottom:25px;

}

.hero-title p{

    font-size:1.15rem;
    line-height:2;

    opacity:.95;

}

.ebook-section{

    padding:90px 20px;

}

.ebook-container{

    max-width:1200px;
    margin:auto;

}

.section-title{

    text-align:center;
    margin-bottom:60px;

}

.section-title h2{

    font-size:2.4rem;
    color:#132b5c;

}

.section-title p{

    color:#666;
    margin-top:10px;

}

.glass-card{

    background:rgba(255,255,255,.92);

    backdrop-filter:blur(12px);

    border-radius:20px;

    padding:35px;

    box-shadow:
    0 5px 25px rgba(0,0,0,.08);

}

.intro-grid{

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(320px,1fr));

    gap:30px;

}

.intro-card{

    background:#fff;

    border-radius:20px;

    padding:30px;

    box-shadow:
    0 5px 20px rgba(0,0,0,.08);

    transition:.3s;

}

.intro-card:hover{

    transform:translateY(-8px);

}

.intro-card h3{

    color:#183b7a;
    margin-bottom:15px;

}

.intro-card p{

    line-height:1.9;
    color:#444;

}

.wisdom-banner{

    background:
    linear-gradient(
        135deg,
        #091326,
        #1b2454
    );

    color:white;

    padding:100px 20px;

    text-align:center;

}

.wisdom-banner h2{

    font-size:2.4rem;

    margin-bottom:30px;

}

.wisdom-banner p{

    max-width:900px;

    margin:auto;

    line-height:2.1;

    font-size:1.15rem;

}

@media(max-width:768px){

    .ebook-hero-inner{

        grid-template-columns:1fr;

        text-align:center;

    }

    .hero-title h1{

        font-size:2rem;

    }

}