body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background: #333;
    color: white;
    padding: 10px;
    text-align: center;
}
header h1 a {
    color: white;
    text-decoration: none;
}
nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}
main {
    padding: 20px;
}
form {
    max-width: 400px;
    margin: 20px auto;
}
input, select, button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
}
.portfolio-item, .review, .search-result {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px 0;
    max-width: 500px;
}
.search-result a {
    text-decoration: none;
    color: #333;
}
.search-result a:hover {
    text-decoration: underline;
}
footer {
    text-align: center;
    padding: 10px;
    background: #f4f4f4;
}
@media (max-width: 600px) {
    nav a { display: block; margin: 5px 0; }
    .portfolio-item img, .portfolio-item video { max-width: 100%; }
}