body{
font-family:Arial;
margin:0;
background:#f5f5f5;
}

.container{
width:90%;
max-width:1100px;
margin:auto;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
}

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

header{
background:black;
color:white;
padding:20px;
}

.hero{
background:#222;
color:white;
padding:120px 0;
text-align:center;
}

.section{
padding:60px 0;
}

.dark{
background:#222;
color:white;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.card{
background:white;
padding:20px;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
}

.btn{
background:#ff6600;
color:white;
padding:15px 30px;
text-decoration:none;
display:inline-block;
margin-top:20px;
}

form{
display:flex;
flex-direction:column;
max-width:500px;
}

input,select,textarea{
margin-bottom:10px;
padding:10px;
}

button{
background:#ff6600;
border:none;
padding:12px;
color:white;
cursor:pointer;
}

footer{
background:black;
color:white;
text-align:center;
padding:20px;
}