body{
font-family:Arial, sans-serif;
background:#f4f6f8;
margin:0;
}

header{
background:#ff7a00;
color:white;
padding:15px 30px;
display:flex;
justify-content:space-between;
}

nav a{
color:white;
margin-left:15px;
text-decoration:none;
font-weight:bold;
}

.container{
max-width:900px;
margin:40px auto;
background:white;
padding:30px;
border-radius:12px;
box-shadow:0 4px 20px rgba(0,0,0,0.08);
}

footer{
text-align:center;
padding:30px;
color:#777;
}