*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Inter,sans-serif;
}

body{
    background:#f5f5f7;
}

.header{
    height:75px;
    background:white;
    border-bottom:1px solid #e5e7eb;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 30px;
}


/* LOGO */

.logo{
    display:flex;
    align-items:center;
    text-decoration:none;
}

.logo img{
    height:111px;
    width:auto;
    display:block;
}


.heart{
    color:#ef4444;
}

.back-btn{
    text-decoration:none;
    background:#111827;
    color:white;
    padding:12px 18px;
    border-radius:10px;
}

.container{
    max-width:900px;
    margin:60px auto;
    padding:20px;
}

.top-content{
    text-align:center;
    margin-bottom:40px;
}

.top-content h1{
    font-size:52px;
    margin-bottom:15px;
}

.top-content p{
    color:#6b7280;
}

/* Upload Box */
.upload-box{
    background:white;
    border:3px dashed #d1d5db;
    border-radius:25px;
    min-height:250px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:.3s;
}

.upload-box:hover{
    border-color:#ef4444;
}

.upload-box i{
    font-size:80px;
    color:#ef4444;
    margin-bottom:20px;
}

/* Controls */
.controls{
    margin-top:30px;
    display:flex;
    justify-content:center;
    gap:15px;
    flex-wrap:wrap;
}

#pageInput{
    padding:15px 20px;
    border-radius:12px;
    border:1px solid #d1d5db;
    font-size:16px;
    width:300px;
}

#deleteBtn{
    border:none;
    background:#ef4444;
    color:white;
    padding:15px 25px;
    border-radius:12px;
    cursor:pointer;
    font-size:16px;
    font-weight:600;
}

#deleteBtn:hover{
    background:#dc2626;
}

#fileInfo{
    margin-top:25px;
    text-align:center;
    font-size:18px;
    font-weight:600;
}
/* =========================
   FOOTER
========================= */

.footer{

    background:#111827;

    color:#fff;

    margin-top:80px;
}

.footer-container{

    max-width:1300px;

    margin:auto;

    padding:60px 24px;

    display:grid;

    grid-template-columns:
    2fr 1fr 1fr 1fr;

    gap:40px;
}

.footer-brand img{
    height:81px;

    background:white;

    padding:5px;

    border-radius:5px;
}
.footer-brand p{

    color:#9ca3af;

    line-height:1.8;

    max-width:320px;
}

.footer-column h3{

    margin-bottom:20px;

    font-size:18px;

    font-weight:700;
}

.footer-column{
    display:flex;
    flex-direction:column;
    position:relative;
    padding-left:30px;
}

.footer-column a{

    color:#9ca3af;

    text-decoration:none;

    margin-bottom:12px;

    transition:.3s;
}

.footer-column a:hover{

    color:#ef4444;
}

.footer-bottom{

    border-top:1px solid #374151;

    text-align:center;

    padding:20px;
}

.footer-bottom p{

    color:#9ca3af;

    font-size:14px;
}

.footer-column::before{

    content:"";

    position:absolute;

    left:0;
    top:10px;

    width:1px;
    height:80%;

    background:rgba(255,255,255,0.12);
}
@media (max-width: 992px){

    .footer-container{

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

}
@media (max-width: 768px){

    .footer-container{

        grid-template-columns:1fr;

        text-align:center;
    }

    .footer-brand p{

        max-width:100%;

        margin:auto;
    }

   .footer-brand img{
    height:50px;

    background:white;

    padding:8px;

    border-radius:10px;
}

}

@media (max-width:768px){

    .footer-column::before{
        display:none;
    }

    .footer-column{
        padding-left:0;
    }

}