body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #8910cf;
    color: white;
}

header {
    text-align: center;
    padding: 20px;
    background: #b063dd;
}

.logo {
    width: 160px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    background: #11224e;
    padding: 10px;
    margin: 0;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

nav ul li a.active {
    border-bottom: 2px solid #7b0fb9;
}

.grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    padding: 20px;
}

article, aside {
    background: #2c52b3;
    padding: 20px;
    border-radius: 8px;
}

.menu-list li {
    margin: 8px 0;
}

.responsive {
    width: 100%;
    border-radius: 8px;
}

footer {
    background: #09152d;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

@media (max-width: 800px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}