.sibling-nav {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 1rem;
    margin-top: var(--docs-spacing-xl);
    padding-top: var(--docs-spacing-lg);
    border-top: 1px solid var(--light-grey);
}

.sibling-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-grey);
    border-radius: 6px;
    color: var(--dark-blue);
    text-decoration: none;
    font-size: var(--docs-font-size-sm);
    transition: background-color 0.15s ease, border-color 0.15s ease;
    max-width: 48%;
}

.sibling-nav-link:hover {
    background-color: var(--pale-blue);
    border-color: var(--blue);
    color: var(--dark-blue);
    text-decoration: none;
}

.sibling-nav-next {
    margin-left: auto;
    text-align: right;
}

@media (max-width: 768px) {
    .sibling-nav {
        flex-direction: column;
    }

    .sibling-nav-link {
        max-width: 100%;
    }

    .sibling-nav-next {
        margin-left: 0;
    }
}