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

html{
    scroll-behavior:smooth;
}

body{
    background:#070707;
    color:#ffffff;
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
}

img{
    max-width:100%;
    display:block;
}

a{
    text-decoration:none;
}

.background-glow{
    position:fixed;
    top:-200px;
    left:50%;
    transform:translateX(-50%);
    width:500px;
    height:500px;
    background:rgba(255,255,255,.05);
    filter:blur(150px);
    z-index:-1;
}

.hero{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    padding:40px 24px 80px;
    text-align:center;
}

.hero-book{
    width:260px;
    margin-bottom:35px;
}

.hero-book img{
    border-radius:16px;
    box-shadow:
    0 20px 50px rgba(0,0,0,.7),
    0 0 40px rgba(255,255,255,.08);
    transition:.4s;
}

.hero-book img:hover{
    transform:translateY(-8px);
}

.eyebrow{
    color:#9f9f9f;
    letter-spacing:4px;
    font-size:.8rem;
    margin-bottom:12px;
}

.hero h1{
    font-family:'Playfair Display',serif;
    font-size:3rem;
    line-height:1;
    margin-bottom:24px;
}

.hero-subtitle{
    font-size:1.1rem;
    color:#d6d6d6;
    margin-bottom:18px;
}

.hero-description{
    color:#9f9f9f;
    line-height:1.8;
    max-width:550px;
    margin:auto;
}

.hero-buttons{
    margin-top:35px;
    display:flex;
    flex-direction:column;
    gap:14px;
}

.btn{
    display:inline-block;
    padding:16px 28px;
    border-radius:12px;
    font-weight:600;
    transition:.3s;
}

.btn-primary{
    background:#ffffff;
    color:#070707;
}

.btn-primary:hover{
    transform:translateY(-3px);
}

.btn-secondary{
    border:1px solid #333;
    color:#ffffff;
}

.btn-secondary:hover{
    background:#111;
}

.section{
    padding:90px 24px;
    max-width:900px;
    margin:auto;
}

.section h2{
    font-family:'Playfair Display',serif;
    font-size:2.2rem;
    text-align:center;
    margin-bottom:30px;
}

.section p{
    color:#b8b8b8;
    line-height:1.9;
    margin-bottom:20px;
}

.large-text{
    color:#ffffff !important;
    font-size:1.2rem;
}

.cards{
    display:grid;
    gap:18px;
    margin-top:40px;
}

.card{
    background:#101010;
    border:1px solid #1f1f1f;
    padding:25px;
    border-radius:18px;
    color:#d6d6d6;
    transition:.3s;
}

.card:hover{
    transform:translateY(-5px);
    border-color:#555;
    box-shadow:0 0 25px rgba(255,255,255,.05);
}

.quote-section{
    padding:120px 24px;
    text-align:center;
}

.quote-section blockquote{
    max-width:900px;
    margin:auto;
    font-family:'Playfair Display',serif;
    font-size:2rem;
    line-height:1.5;
    color:#ffffff;
}

.bundle-section{
    padding:100px 24px;
    text-align:center;
}

.bundle-section h2{
    font-family:'Playfair Display',serif;
    font-size:2.2rem;
}

.bundle-subtitle{
    color:#9f9f9f;
    margin-top:15px;
}

.bundle-books{
    margin:50px auto;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:20px;
}

.bundle-books img{
    width:220px;
    border-radius:14px;
    box-shadow:
    0 15px 40px rgba(0,0,0,.7);
}

.plus{
    font-size:2rem;
    color:#8a8a8a;
}

.bundle-content h3{
    font-size:1.8rem;
    margin-bottom:15px;
}

.bundle-content p{
    color:#b8b8b8;
    line-height:1.8;
    margin-bottom:30px;
}

.author-section{
    padding:100px 24px;
    text-align:center;
    max-width:800px;
    margin:auto;
}

.author-section h2{
    font-family:'Playfair Display',serif;
    font-size:2rem;
    margin-bottom:20px;
}

.author-section p{
    color:#b8b8b8;
    line-height:1.9;
}

.final-cta{
    padding:120px 24px;
    text-align:center;
}

.final-cta h2{
    font-family:'Playfair Display',serif;
    font-size:2.5rem;
    margin-bottom:20px;
}

.final-cta p{
    color:#b8b8b8;
    margin-bottom:30px;
}

.fade-in{
    opacity:0;
    transform:translateY(40px);
    transition:
    opacity .8s ease,
    transform .8s ease;
}

.fade-in.show{
    opacity:1;
    transform:translateY(0);
}

@media(min-width:768px){

    .hero{
        flex-direction:row;
        text-align:left;
        gap:80px;
        padding:100px 60px;
    }

    .hero-book{
        width:380px;
        margin-bottom:0;
    }

    .hero-content{
        max-width:600px;
    }

    .hero-buttons{
        flex-direction:row;
    }

    .cards{
        grid-template-columns:
        repeat(2,1fr);
    }

    .bundle-books{
        flex-direction:row;
        justify-content:center;
        gap:40px;
    }

    .bundle-books img{
        width:260px;
    }

    .quote-section blockquote{
        font-size:3rem;
    }
}