.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.site-header {
    background: #f8f8f8;
    padding: 20px 0;
    text-align: center;
}

.logo img {
    max-width: 150px;
}

.site-nav {
    margin-top: 15px;
}

.primary-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.primary-menu li {
    display: inline-block;
    margin: 0 15px;
}

.primary-menu a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.hero {
    background: #eee;
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-preview {
    background: #fafafa;
    text-align: center;
    padding: 60px 20px;
}

.site-footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}