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

body{
  background:#f5f5f7;
  color:#111827;
}

.header{
  width:100%;
  height:75px;
  background:white;
  border-bottom:1px solid #e5e7eb;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 35px;
}


/* LOGO */

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

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


.heart{
  color:#ef4444;
  margin-right:6px;
}

.back-btn{
  text-decoration:none;
  background:#111827;
  color:white;
  padding:12px 18px;
  border-radius:12px;
  font-size:14px;
  font-weight:700;
}

.container{
  width:100%;
  max-width:900px;
  margin:60px auto;
  padding:0 20px;
}

.top-content{
  text-align:center;
  margin-bottom:45px;
}

.top-content h1{
  font-size:54px;
  margin-bottom:15px;
}

.top-content p{
  color:#6b7280;
}
.upload-box {
  width: 100%;

  min-height: 320px;

  background: white;

  border: 3px dashed #d1d5db;

  border-radius: 30px;

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

  text-align: center;

  cursor: pointer;

  transition: 0.3s;

  padding: 40px;
}

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

  background: #fff7f7;
}

.upload-box.dragover {
  border-color: #ef4444;

  background: #fff1f2;
}

.upload-box i {
  font-size: 80px;

  color: #ef4444;

  margin-bottom: 25px;
}

.upload-box h2 {
  font-size: 34px;
  font-weight: 800;

  margin-bottom: 15px;
}

.upload-box p {
  color: #6b7280;

  font-size: 17px;
}

.upload-limit{
    text-align:center;
    margin-top:15px;
    color:#6b7280;
    font-size:14px;
    font-weight:600;
}

.file-list{
  margin-top:25px;
}

.file-item{
  background:white;
  padding:20px;
  border-radius:15px;
  border:1px solid #e5e7eb;
}

.password-section{
  margin-top:25px;
}

.password-section label{
  display:block;
  margin-bottom:8px;
  font-weight:700;
}

.password-section input{
  width:100%;
  height:60px;
  border:2px solid #e5e7eb;
  border-radius:15px;
  padding:0 15px;
  font-size:16px;
}

.merge-btn{
  width:100%;
  height:65px;
  margin-top:30px;
  border:none;
  border-radius:20px;
  background:#ef4444;
  color:white;
  font-size:20px;
  font-weight:700;
  cursor:pointer;
}

.loader{
  position:fixed;
  inset:0;
  background:rgba(255,255,255,.85);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
}

.hidden{
  display:none;
}

.spinner{
  width:70px;
  height:70px;
  border:6px solid #f3f4f6;
  border-top-color:#ef4444;
  border-radius:50%;
  animation:spin 1s linear infinite;
}

@keyframes spin{
  to{
    transform:rotate(360deg);
  }
}
/* =========================
   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;
    }

}