header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    border-bottom: 1px solid #222;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    letter-spacing: 2px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav a {
    text-decoration: none;
    color: #aaa;
    font-weight: 500;
    transition: 0.3s;
}