.topbar.is-scrolled {
    background: linear-gradient(120deg, rgba(11, 18, 32, 0.97), rgba(21, 34, 58, 0.97));
    border-bottom-color: var(--color-nav-border);
    box-shadow: 0 16px 32px rgba(2, 6, 23, 0.55);
}

.topbar.is-scrolled .topbar__brand {
    color: var(--white);
}

.topbar.is-scrolled nav a {
    color: rgba(255, 255, 255, 0.8);
}

.topbar.is-scrolled nav a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.topbar.is-scrolled nav a.active {
    color: var(--accent);
    background: var(--accent-soft);
}

.topbar.is-scrolled .topbar__toggle {
    color: var(--white);
}


.topbar.nav-is-open {
    background: linear-gradient(120deg, rgba(11, 18, 32, 0.97), rgba(21, 34, 58, 0.97));
    border-bottom-color: var(--color-nav-border);
    box-shadow: 0 16px 32px rgba(2, 6, 23, 0.55);
}

.topbar.nav-is-open .topbar__brand {
    color: var(--white);
}

.topbar.nav-is-open .topbar__toggle {
    color: var(--white);
}