body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
}
header.hero {
    height: 100vh;
    background: url('images/header-bg.jpg') no-repeat center center/cover;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
header .overlay {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 10px;
}
nav ul {
    display: flex;
    justify-content: center;
    padding: 1rem;
    background: #000;
}
nav ul li {
    margin: 0 1rem;
}
nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    padding: 2rem;
}
.gallery-item img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}