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

body{
    min-height:100vh;
    background-image:url("bg.jpg");
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
    background-attachment:fixed;
}

.modal{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.75);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:999;
}
.modal-box{
    background:#222;
    color:#fff;
    padding:40px 50px;
    border-radius:14px;
    text-align:center;
}
.modal-box h2{
    margin-bottom:30px;
}
.btn-group{
    display:flex;
    gap:20px;
    justify-content:center;
}
.btn-group button{
    padding:10px 26px;
    border:none;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
}
#yesBtn{
    background:#4285f4;
    color:white;
}
#noBtn{
    background:#666;
    color:white;
}

.container{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    color:#ffffff;
    text-align:center;
    gap:24px;
    padding:20px;
}
.container h1{
    font-size:clamp(2rem,6vw,4rem);
    font-weight:600;
}
.desc{
    font-size:18px;
    max-width:600px;
    opacity:0.9;
    line-height:1.6;
}

.download-btn{
    padding:16px 42px;
    font-size:20px;
    border-radius:12px;
    border:none;
    background:#3b82f6;
    color:#fff;
    cursor:pointer;
    transition: all 0.2s ease;
}
.download-btn:hover{
    transform:translateY(-4px);
    background:#2563eb;
    box-shadow:0 8px 16px rgba(0,0,0,0.25);
}
.download-btn:active{
    transform:translateY(-2px);
}