body{
margin:0;
font-family:Arial, sans-serif;
background:#0d0d0d;
color:#fff;
}
nav{
background:#000;
padding:15px;
display:flex;
justify-content:space-between;
align-items:center;
}
nav a{
color:gold;
text-decoration:none;
margin:0 10px;
font-weight:bold;
}
.container{
max-width:900px;
margin:40px auto;
padding:20px;
background:#111;
border-radius:10px;
box-shadow:0 0 20px rgba(255,215,0,0.2);
}
button{
background:gold;
border:none;
padding:12px 20px;
border-radius:5px;
cursor:pointer;
font-weight:bold;
}
input, textarea, select{
width:100%;
padding:10px;
margin-top:8px;
margin-bottom:15px;
border-radius:5px;
border:1px solid #444;
background:#1a1a1a;
color:#fff;
}
@media(max-width:768px){
.container{margin:20px;}
nav{flex-direction:column;}
}