@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:#080808;
    color:#eee;
    font-family:'Vazirmatn',Tahoma,sans-serif;
    direction:rtl;
    line-height:1.9;
}
.container{
    width:min(900px,92%);
    margin:auto;
}
header{
    border-bottom:1px solid #222;
    padding:18px 0;
    background:#090909;
    position:sticky;
    top:0;
    z-index:10;
}
.nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:15px;
}
.logo{
    color:#e00000;
    font-size:23px;
    font-weight:800;
    text-decoration:none;
}
.back{
    color:#aaa;
    text-decoration:none;
    border:1px solid #292929;
    padding:7px 14px;
    border-radius:10px;
    transition:.2s;
}
.back:hover{
    color:#fff;
    border-color:#e00000;
}
main{padding:55px 0 80px}
.card{
    background:#101010;
    border:1px solid #242424;
    border-radius:18px;
    padding:30px;
    box-shadow:0 15px 45px rgba(0,0,0,.25);
}
h1{
    margin:0 0 25px;
    color:#e00000;
    font-size:30px;
}
h2{
    color:#fff;
    font-size:20px;
    margin:30px 0 10px;
}
p,li{color:#cfcfcf;font-size:15px}
ul{padding-right:22px}
.highlight{
    border-right:3px solid #e00000;
    background:#151515;
    padding:13px 16px;
    border-radius:10px;
    margin:20px 0;
}
.contact{
    display:grid;
    gap:12px;
    margin-top:20px;
}
.contact a{
    display:block;
    color:#fff;
    text-decoration:none;
    background:#151515;
    border:1px solid #292929;
    border-radius:12px;
    padding:13px 16px;
}
.contact a:hover{
    border-color:#e00000;
}
footer{
    border-top:1px solid #222;
    text-align:center;
    padding:25px 15px;
    color:#777;
    font-size:13px;
}
footer a{
    color:#aaa;
    text-decoration:none;
    margin:0 7px;
}
footer a:hover{color:#e00000}
@media(max-width:600px){
    main{padding:35px 0 60px}
    .card{padding:22px 18px}
    h1{font-size:25px}
    h2{font-size:18px}
    p,li{font-size:14px}
    .nav{align-items:flex-start}
}