:root{
    --orange:#ff6b00;
    --navy:#071847;
}

html{
    overflow-x:hidden;
}

body{
    overflow-x:clip;
}
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f7f8fb;
    color:#222;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* HERO */

.book-hero{
    background:
    linear-gradient(
        135deg,
        #04103f,
        #0b164d 60%,
        #10246b
    );

    color:#fff;

    padding:100px 0;
}

.hero-grid{
    display:grid;
    grid-template-columns:400px 1fr;
    gap:70px;
    align-items:center;
}

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

.book-cover img{
    width:100%;
    display:block;

    filter:
    drop-shadow(
        0 20px 30px rgba(0,0,0,.35)
    );
}

.hero-content span{
    color:var(--orange);
    font-weight:700;
    letter-spacing:2px;
}

.hero-content h1{
    font-size:4rem;
    margin:15px 0;
    line-height:1.1;
}

.hero-content p{
    font-size:1.15rem;
    line-height:1.9;
    color:rgba(255,255,255,.85);
}

.hero-meta{
    margin:25px 0;

    display:flex;
    gap:12px;
    flex-wrap:wrap;

    color:rgba(255,255,255,.85);

    font-weight:600;
}

.book-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin:24px 0 10px;
}

.book-meta span{
    display:flex;
    align-items:center;
    padding:6px 12px;
    border:1px solid rgba(255,255,255,.15);
    border-radius:999px;
    background:rgba(255,255,255,.05);
    color:rgba(255,255,255,.75);
    font-size:.9rem;
    font-weight:500;
}

.price{
    margin:15px 0 30px;

    font-size:3rem;
    font-weight:800;

    color:#fff;
}


.buy-btn{
    display:inline-block;

    background:var(--orange);
    color:#fff;

    padding:18px 35px;

    border-radius:15px;

    text-decoration:none;
    font-weight:700;
}

.back-link{
    display:inline-block;
    margin-bottom:12px;

    color:rgba(255,255,255,.75);
    text-decoration:none;
    font-size:.95rem;

    transition:.3s;
}

.back-link:hover{
    color:var(--orange);
}

.hero-label{
    display:block;
    margin-bottom:18px;

    color:var(--orange);
    font-weight:700;
    letter-spacing:2px;
    font-size:.85rem;
}


.book-tagline {
    margin: 10px 0 20px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-color);
}

/* PURCHASE */
.purchase-trust{
    margin-top:18px;
    display:flex;
    flex-direction:column;
    gap:10px;
    font-size:.95rem;
    color:#555;
}

.purchase-trust div{
    display:flex;
    align-items:center;
    gap:8px;
    font-weight:500;
}

/* STORY */

.story{
    padding:100px 0;
    background:#fff;
}

.story h2{
    font-size:2.8rem;
    color:var(--navy);
    margin-bottom:25px;
}

.story p{
    line-height:2;
    margin-bottom:20px;
    max-width:900px;
}

/* BENEFITS */

.benefits{
    padding:100px 0;
}

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

.section-title h2{
    font-size:3rem;
    color:var(--navy);
}

.benefit-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.benefit{
    background:#fff;
    border-radius:25px;
    padding:30px;

    box-shadow:
    0 10px 25px rgba(0,0,0,.08);
}

.benefit h3{
    margin-bottom:15px;
}

.benefit p{
    color:#666;
    line-height:1.8;
}

/* EXCERPT */

.excerpt-wrapper{
    margin-top:50px;

    background:#fff;

    border-radius:20px;

    overflow:hidden;

    box-shadow:
        0 10px 25px rgba(0,0,0,.08);
}

.excerpt-toggle{
    width:100%;

    border:none;

    background:#fff8f2;

    padding:22px 30px;

    text-align:left;

    font-size:1rem;
    font-weight:700;

    color:var(--navy);

    cursor:pointer;
}

.excerpt-content{
    display:none;

    padding:30px;

    line-height:2;
    color:#555;
}

.excerpt-content.open{
    display:block;
}

/* AUTHOR */

.author{
    padding:100px 0;
    background:#fff;
}

.author-card{
    display:grid;
    grid-template-columns:250px 1fr;
    gap:40px;

    background:#fff;
    padding:40px;

    border-radius:30px;

    box-shadow:
    0 10px 25px rgba(0,0,0,.08);
}

.author-card img{
    width:100%;
    border-radius:20px;
}

.author-content h2{
    color:var(--navy);
    margin-bottom:10px;
}

.author-content h4{
    color:#666;
    margin-bottom:20px;
}

.author-content p{
    line-height:1.9;
}

/* CTA */

.cta{
    background:
    linear-gradient(
        135deg,
        #04103f,
        #0b164d
    );

    text-align:center;
    color:#fff;

    padding:100px 20px;
}

.cta h2{
    font-size:3rem;
    margin-bottom:20px;
}

.cta p{
    max-width:700px;
    margin:auto auto 35px;
    line-height:1.9;
}

.availability{
    color:#7ee787;
    font-weight:600;

    margin-bottom:10px;
}

.availability-badge {
    font-size: 0.9rem;
    font-weight: 500;
    padding-bottom: 20px;
}

.purchase-options {
    display: flex;
    gap: 15px;
    flex-wrap:wrap;
}



.amazon-btn{
    display:inline-block;

    background:#fff;
    color:#111;

    padding:18px 35px;

    border-radius:15px;

    text-decoration:none;
    font-weight:700;
}


/* REVIEW */

.book-review{
    padding:100px 0;
    background:#f7f8fb;
}

.review-card{
    max-width:850px;
    margin:auto;

    background:#fff;

    padding:50px;

    border-radius:25px;

    text-align:center;

    box-shadow:
        0 10px 25px rgba(0,0,0,.08);
}

.review-card p{
    font-size:1.2rem;
    line-height:2;
    color:#333;
    margin-bottom:20px;
}

.review-card span{
    color:var(--orange);
    font-weight:700;
}

/* OTHER BOOKS */

.other-books{
    padding:100px 0;
    background:#fff;
}

.other-books h2{
    text-align:center;
    color:var(--navy);
    margin-bottom:50px;
    font-size:2.7rem;
}

.other-books-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.other-book-card{
    text-decoration:none;
    color:inherit;

    background:#fff;

    border-radius:25px;

    overflow:hidden;

    box-shadow:
        0 10px 25px rgba(0,0,0,.08);

    transition:.3s;
}

.other-book-card:hover{
    transform:translateY(-8px);
}

.other-book-card img{
    width:100%;
    display:block;
}

.other-book-card h3{
    padding:20px 25px 10px;
    color:var(--navy);
}

.other-book-card p{
    padding:0 25px 25px;
    color:#666;
    line-height:1.8;
}

/* BOOK NAVIGATION */

.book-nav{
    position:sticky;
    top:0;
    z-index:100;

    background:#fff;

    box-shadow:
        0 4px 15px rgba(0,0,0,.05);
}

.nav-links{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:20px;

    padding:18px 0;
}

.nav-links a{
    text-decoration:none;

    color:var(--navy);

    font-weight:600;

    padding:12px 22px;

    border-radius:50px;

    transition:.3s;
}

.nav-links a:hover{
    background:rgba(255,107,0,.08);
    color:var(--orange);
}

.nav-links a.active{
    background:var(--orange);
    color:#fff;
}

.nav-links a:not(:last-child)::after{
    
    margin-left:20px;
    color:#ccc;
}

.faq{
    padding:100px 0;
    background:#fff;
}

/* Main Accordion */
.faq-main{
    background:#fff;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 8px 20px rgba(0,0,0,.08);
}

.faq-main-question{
    width:100%;
    border:none;
    background:#fff;
    padding:25px;
    text-align:left;
    font-size:1.6rem;
    font-weight:700;
    color:var(--navy);
    cursor:pointer;

    display:flex;
    justify-content:space-between;
    align-items:center;
}

.faq-main-question::after{
    content:"+";
    font-size:2rem;
    font-weight:300;
    transition:.3s ease;
}

.faq-main-question.active::after{
    content:"−";
}

.faq-main-answer{
    display:none;
    padding:0 25px 25px;
}

.faq-main-answer.open{
    display:block;
}

/* Individual Questions */
.faq-item{
    border-top:1px solid #eee;
}

.faq-question{
    width:100%;
    border:none;
    background:#fff;
    padding:20px 0;
    text-align:left;
    font-size:1rem;
    font-weight:600;
    cursor:pointer;
}

.faq-answer{
    display:none;
    padding-bottom:20px;
    line-height:1.8;
    color:#666;
}

.faq-answer.open{
    display:block;
}

.closing-quote{
    max-width: 700px;
    margin: 4rem auto 0;
    text-align: center;
    padding: 2rem;
}

.closing-quote blockquote{
    font-size: 1.35rem;
    line-height: 1.8;
    font-style: italic;
    font-weight: 300;
    color: #555;
    position: relative;
    margin: 0;
}

.closing-quote blockquote::before{
    content: "❝";
    display: block;
    font-size: 3rem;
    color: #d4af37;
    margin-bottom: 0.5rem;
}

.closing-quote blockquote::after{
    content: "❞";
    display: block;
    font-size: 3rem;
    color: #d4af37;
    margin-top: 0.5rem;
}

@media (max-width:1024px){

.hero-grid,
.author-card{
    grid-template-columns:1fr;
    gap: 40px;
}

.hero-content h1{
    font-size:2.7rem;
}

.book-cover{
    max-width:320px;
    margin:auto;
}
}

@media (max-width:768px){

    /* HERO */

    .container{
         width:92%;
    }

    .book-hero{
        padding:60px 0;
    }

    .hero-grid{
        gap:30px;
    }
    .hero-content{
        text-align:center;
    }

    .hero-content h1{
        font-size:2.2rem;
    }

    .hero-content p{
        font-size:1rem;
        line-height:1.7;
    }

    .hero-label{
        font-size:.8rem;
    }

    /* Book metadata */
    .book-cover{
        max-width:240px;
    }
    .book-meta{
        justify-content:center;
        gap:8px;
    }

    .book-meta span{
        font-size:.85rem;
        padding:5px 10px;
    }

    /* Purchase buttons */
    .price{
        font-size:2.2rem;
        margin:20px 0;
    }

    .purchase-options{
        flex-direction:column;
        gap:15px;
    }

    .buy-btn,
    .amazon-btn{
        width:100%;
        text-align:center;
        padding:16px;
    }

    .purchase-trust{
        align-items:center;
        gap:8px;
        font-size:.9rem;
    }

    /* Section headings */
    .story,
    .benefits,
    .author,
    .other-books,
    .faq,
    .cta{
        padding:60px 0;
    }

     .story ul{
        padding-left:20px;
    }
    .story h2,
    .section-title h2,
    .other-books h2,
    .cta h2{
        font-size:2rem;
    }

    /* Author */
    .author-card{
        padding:25px;
    }

    .review-card{
        padding:25px;
    }

    .excerpt-toggle{
        padding:18px;
    }

    .excerpt-content{
        padding:20px;
    }

    .faq-main-question{
        font-size:1.2rem;
        padding:20px;
    }

     .book-nav{
        position:sticky;
        top:0;
        z-index:9999;
        width:100%;
        overflow:hidden;
    }

    .book-nav .container{
        width:100%;
        max-width:none;
        margin:0;
        padding:0;
    }

    .nav-links{
        display:flex;
        flex-wrap:nowrap;
        overflow-x:auto;
        justify-content:center;
        align-items:center;

        width:100%;
        padding:12px 15px;

        gap:10px;

        white-space:nowrap;
        -webkit-overflow-scrolling:touch;
    }

    .nav-links::-webkit-scrollbar{
        display:none;
    }

    .nav-links a{
        flex:0 0 auto;
        white-space:nowrap;

        padding:10px 14px;
        font-size:.9rem;
    }

    
    /* Closing quote */
    .closing-quote{
        padding:1.5rem;
    }

    .closing-quote blockquote{
        font-size:1.1rem;
    }

   .cta{
        padding:60px 25px;
    }

    .cta h2{
        font-size:2rem;
        line-height:1.3;
        margin-bottom:20px;
    }

    .cta p{
        font-size:1rem;
        line-height:1.8;
        max-width:100%;
    }

}