body{
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin:0;
    padding:0;
    background:#f9f9f9;
    color:#333;
}
header{
    background:#ff6b6b;
    color:white;
    padding:20px 0;
    text-align:center;
}
header h1{
    margin:0;
    font-size:2.5rem;
}
nav{
    background:#fff;
    box-shadow:0 2px 5px rgba(0,0,0,.1);
}
nav ul{
    list-style:none;
    display:flex;
    justify-content:center;
    margin:0;
    padding:0;
}
nav li{
    margin:0 10px;
}
nav a{
    text-decoration:none;
    color:#ff6b6b;
    font-weight:bold;
    padding:15px 10px;
    display:block;
}
section{
    padding:60px 20px;
    max-width:1000px;
    margin:0 auto;
}
section h2{
    margin-top:0;
    text-align:center;
    color:#ff6b6b;
}
.services-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:20px;
}
.service{
    background:white;
    padding:20px;
    border-radius:8px;
    box-shadow:0 2px 5px rgba(0,0,0,.1);
    text-align:center;
}
.service h3{
    margin-top:0;
}
.portfolio{
    display:flex;
    flex-wrap:wrap;
    margin:-5px;
}
.portfolio img{
    width:calc(25% - 10px);
    margin:5px;
    border-radius:8px;
}
form{
    max-width:600px;
    margin:0 auto;
    background:white;
    padding:20px;
    border-radius:8px;
    box-shadow:0 2px 5px rgba(0,0,0,.1);
}
form .field{
    margin-bottom:15px;
}
form label{
    display:block;
    margin-bottom:5px;
}
form input, form textarea{
    width:100%;
    padding:10px;
    border:1px solid #ccc;
    border-radius:4px;
}
form button{
    background:#ff6b6b;
    color:white;
    border:none;
    padding:10px 20px;
    cursor:pointer;
    border-radius:4px;
}
.success, .error{
    text-align:center;
    margin-top:15px;
}
footer{
    background:#333;
    color:white;
    text-align:center;
    padding:10px 0;
}
@media(max-width:600px){
    .portfolio img{width:calc(50% - 10px);}
}