*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#0d0d0d;
    color:#f5f5f5;
    line-height:1.7;
}

.container{
    width:95%;
    max-width:850px;
    margin:auto;
    padding:20px 0;
}

header{
    background:linear-gradient(135deg,#ff0000,#8b0000);
    text-align:center;
    padding:35px 20px;
    border-radius:15px;
    margin-bottom:20px;
    box-shadow:0 0 20px rgba(255,0,0,.4);
}

header h1{
    font-size:34px;
    letter-spacing:2px;
}

header p{
    margin-top:8px;
    font-size:18px;
    opacity:.9;
}

.card{
    background:#181818;
    padding:25px;
    border-radius:15px;
    border:1px solid #333;
}

section{
    margin-bottom:35px;
}

section h2{
    color:#ff2b2b;
    margin-bottom:12px;
    border-left:5px solid red;
    padding-left:12px;
    font-size:22px;
}

section h3{
    color:#ff8080;
    margin:15px 0 8px;
    font-size:18px;
}

p{
    color:#ddd;
    margin-bottom:12px;
}

ul{
    padding-left:20px;
}

li{
    margin-bottom:8px;
    color:#ddd;
}

.email{
    color:#ff4040;
    font-weight:bold;
    font-size:18px;
}

footer{
    text-align:center;
    margin:30px 0;
    color:#999;
    font-size:14px;
}

/* Mobile */

@media(max-width:600px){

header h1{
    font-size:28px;
}

header p{
    font-size:16px;
}

.card{
    padding:18px;
}

section h2{
    font-size:20px;
}

section h3{
    font-size:17px;
}

body{
    font-size:15px;
}

}