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

body{
background:#f8f8f8;
font-family:Tahoma,sans-serif;
display:flex;
justify-content:center;
align-items:center;
min-height:100vh;
padding:20px;
color:#222;
}

.card{
background:white;
max-width:430px;
width:100%;
padding:40px 30px;
border-radius:24px;
box-shadow:0 15px 40px rgba(0,0,0,.12);
text-align:center;
}

.logo{
width:220px;
max-width:90%;
margin-bottom:25px;
}

.subtitle{
font-size:17px;
line-height:32px;
color:#555;
margin-bottom:30px;
}

.button{
display:block;
background:#111;
color:white;
text-decoration:none;
padding:16px;
border-radius:14px;
margin:14px 0;
font-size:17px;
transition:.25s;
}

.button:hover{
transform:translateY(-3px);
background:#000;
}

.about{
margin-top:35px;
padding-top:25px;
border-top:1px solid #eee;
font-size:15px;
line-height:30px;
color:#666;
}

.footer{
margin-top:25px;
font-size:13px;
color:#999;
}