.about-navigation {
    --about-nav-accent: #4f46e5;
    --about-nav-surface: #f0efff;
    --about-nav-line: #dde5f2;
    padding-top: 20px;
    background: #fff;
}

.about-navigation__list {
    display: flex;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
    border-bottom: 1px solid var(--about-nav-line);
}

.about-navigation__item {
    flex: 1;
    min-width: 0;
}

.about-navigation__link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    height: 100%;
    padding: 12px 16px;
    border-bottom: 3px solid transparent;
    border-radius: 10px 10px 0 0;
    color: var(--ist-blue-dark);
    font-size: 1rem;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.about-navigation__link:hover {
    color: var(--about-nav-accent);
    background: var(--about-nav-surface);
}

.about-navigation__link[aria-current="page"] {
    border-bottom-color: var(--about-nav-accent);
    color: var(--about-nav-accent);
    background: var(--about-nav-surface);
    font-weight: 700;
}

.about-navigation__link:focus-visible {
    position: relative;
    z-index: 1;
    outline: 3px solid var(--about-nav-accent);
    outline-offset: 3px;
}

.about-navigation + .article-content-section {
    margin-top: 20px;
}

@media (max-width: 575.98px) {
    .about-navigation__list {
        flex-direction: column;
        border-bottom: 0;
    }

    .about-navigation__link {
        justify-content: flex-start;
        border-radius: 10px;
        text-align: start;
    }
}