/* =========================
RESET
========================= */

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

:root{
    --main-color:#1F4E79;
    --cta-color:#ff7a00;
    --bg:#f5f7fa;
}


/* =========================
BODY
========================= */

html,
body{
    width:100%;
    min-height:100%;
}

body{
    font-family:'Poppins',sans-serif;
    background:#eef2f7;
    color:#1e293b;

    overflow-x:hidden;
}


/* =========================
MAIN PAGE
========================= */

.main-page{
    width:100%;
    padding:40px 15px 60px;
}


/* =========================
CONTAINER
========================= */

.container{
    max-width:1050px;
    margin:auto;
}


/* =========================
GRID
========================= */

.checkout-grid{
    display:grid;
    grid-template-columns:1fr 420px;
    gap:25px;
    align-items:start;
}


/* =========================
LEFT CARD
========================= */

.book-card{
    background:white;
    border-radius:22px;
    overflow:hidden;
    box-shadow:0 12px 35px rgba(0,0,0,.08);
}


/* =========================
BOOK IMAGE
========================= */

.book-image{
    width:100%;
    height:380px;
    object-fit:cover;

    display:block;
}


/* =========================
BOOK CONTENT
========================= */

.book-content{
    padding:28px;
}


/* =========================
BADGE
========================= */

.badge{
    display:inline-block;
    padding:10px 18px;

    background:#fff7ed;
    color:var(--cta-color);

    border-radius:50px;

    font-size:13px;
    font-weight:600;

    margin-bottom:18px;
}


/* =========================
TITLE
========================= */

.book-title{
    font-size:34px;
    line-height:1.2;

    margin-bottom:18px;

    color:#111827;
}


/* =========================
DESCRIPTION
========================= */

.book-description{
    font-size:15px;
    line-height:1.9;

    color:#64748b;

    margin-bottom:25px;
}


/* =========================
STEPS
========================= */

.steps-box{
    background:#f8fafc;

    border-radius:18px;

    padding:22px;

    margin-top:20px;
}

.steps-title{
    font-size:18px;
    font-weight:700;

    margin-bottom:20px;

    color:#111827;
}


/* =========================
STEP
========================= */

.step{
    display:flex;
    align-items:flex-start;

    gap:15px;

    margin-bottom:20px;
}

.step:last-child{
    margin-bottom:0;
}


/* =========================
STEP NUMBER
========================= */

.step-number{
    min-width:42px;
    height:42px;

    border-radius:50%;

    background:linear-gradient(
        135deg,
        #ff7a00,
        #ff9a3c
    );

    color:white;

    display:flex;
    justify-content:center;
    align-items:center;

    font-weight:700;
    font-size:16px;
}


/* =========================
STEP TEXT
========================= */

.step-text{
    font-size:15px;
    line-height:1.7;

    color:#475569;
}

.step-text strong{
    color:#111827;
}


/* =========================
PAYMENT CARD
========================= */

.payment-card{
    background:white;

    border-radius:22px;

    padding:28px;

    box-shadow:0 12px 35px rgba(0,0,0,.08);

    position:sticky;
    top:20px;
}


/* =========================
PAYMENT HEADER
========================= */

.payment-header h2{
    font-size:28px;

    margin-bottom:10px;

    color:#111827;
}


/* =========================
PRICE
========================= */

.price{
    font-size:40px;
    font-weight:700;

    color:var(--cta-color);

    margin-bottom:10px;
}


/* =========================
TRUST
========================= */

.trust{
    color:#16a34a;

    font-size:14px;

    margin-bottom:25px;
}


/* =========================
FORM
========================= */

.form-group{
    margin-bottom:20px;
}


/* =========================
LABEL
========================= */

.form-group label{
    display:block;

    margin-bottom:8px;

    font-size:14px;
    font-weight:600;
}


/* =========================
INPUT
========================= */

.form-group input{
    width:100%;
    height:58px;

    border:2px solid #e2e8f0;
    border-radius:14px;

    padding:0 18px;

    font-size:15px;

    transition:.3s;
}

.form-group input:focus{
    outline:none;

    border-color:var(--cta-color);

    box-shadow:0 0 0 4px rgba(255,122,0,.12);
}


/* =========================
BUTTON
========================= */

.order-btn{
    width:100%;
    height:60px;

    border:none;
    border-radius:16px;

    background:linear-gradient(
        90deg,
        #ff7a00,
        #ff9a3c
    );

    color:white;

    font-size:17px;
    font-weight:700;

    cursor:pointer;

    margin-top:10px;

    transition:.3s;

    box-shadow:0 15px 30px rgba(255,122,0,.25);
}

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


/* =========================
NAV & FOOTER FIX
========================= */

nav,
footer{
    width:100%;
}


/* =========================
MOBILE
========================= */

@media(max-width:900px){

    .checkout-grid{
        grid-template-columns:1fr;
    }

    .payment-card{
        position:relative;
        top:0;
    }

}

@media(max-width:600px){

    .main-page{
        padding:20px 12px 40px;
    }

    .book-image{
        height:300px;
    }

    .book-title{
        font-size:28px;
    }

    .price{
        font-size:35px;
    }

    .book-content,
    .payment-card{
        padding:22px;
    }

}


.support-section{
    padding:20px 15px 70px;
}

.support-container{
    max-width:1200px;
    margin:auto;

    background:white;

    border-radius:28px;

    padding:45px 30px;

    text-align:center;

    box-shadow:0 10px 30px rgba(0,0,0,0.06);
    
}

.support-container h2{
    font-size:34px;
    color:#111827;

    margin-bottom:15px;
}

.support-container p{
    color:#64748b;

    line-height:1.8;

    max-width:700px;

    margin:0 auto 30px;
}

.support-btn{
    display:inline-flex;

    justify-content:center;
    align-items:center;

    background:linear-gradient(135deg,#111827,#1f2937);

    color:white;

    padding:18px 28px;

    border-radius:18px;

    font-weight:600;

    transition:.3s;

    box-shadow:0 12px 30px rgba(0,0,0,0.15);
      text-decoration:none;
}

.support-btn:hover{
    transform:translateY(-4px);
}

@media(max-width:600px){

    .support-container{
        padding:35px 20px;
    }

    .support-container h2{
        font-size:28px;
    }

}