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

body{
    background: url("/intro_pic/intro.jpg") center center / cover no-repeat;
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    color:white;
}

.intro{
    width:100%;
    padding:40px;
}

.container{
    max-width:850px;
    margin:auto;
    background:#1e293b;
    padding:50px;
    border-radius:15px;
    text-align:center;
    box-shadow:0 0 20px rgba(0,255,255,.15);
}

.container h1{
    color:#00e5ff;
    font-size:45px;
    margin-bottom:25px;
}

.container p{
    font-size:18px;
    line-height:1.8;
    margin-bottom:20px;
    text-align:justify;
}

.btn{
    display:inline-block;
    margin-top:15px;
    padding:12px 30px;
    background:#00e5ff;
    color:#0f172a;
    text-decoration:none;
    font-weight:bold;
    border-radius:30px;
    transition:.3s;
}

.btn:hover{
    background:white;
    transform:scale(1.05);
}

@media(max-width:768px){

.container{
    padding:30px;
}

.container h1{
    font-size:35px;
}

.container p{
    font-size:16px;
}

}