header {
    background-color: var(--primary-dark);
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: whitesmoke;
    text-decoration: none;
    white-space: nowrap;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    flex-grow: 1;
    justify-content: right;
}

nav a {
    color: whitesmoke;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-weight: 500;
}

nav a:hover {
    background-color: var(--secondary-dark);
}

nav a.active {
    background-color: var(--secondary-dark);
}