.chapter-shell .chapter-hero {
    position: relative;
    overflow: hidden;
    max-width: 1120px;
    margin-inline: auto;
    padding: clamp(28px, 5vw, 52px) clamp(20px, 6vw, 72px) clamp(26px, 4vw, 44px);
    border: 1px solid rgba(183, 138, 69, 0.22);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(255, 253, 247, 0.78));
    box-shadow: 0 16px 42px rgba(47, 39, 27, 0.075);
}

.chapter-shell .chapter-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--archive-gold), transparent);
}

.chapter-shell .chapter-hero .collection-title {
    max-width: 940px;
}

.chapter-shell .chapter-title-meta {
    width: auto;
    max-width: 800px;
    margin: 15px auto 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.chapter-shell .chapter-header-description {
    max-width: 760px;
    color: #596579;
    font-size: clamp(0.98rem, 1.8vw, 1.12rem);
    line-height: 1.58;
}

.chapter-language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin: 0 auto 20px;
    padding: 4px;
    border: 1px solid rgba(139, 111, 71, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.64);
}

.chapter-language-switcher a {
    min-width: 88px;
    padding: 7px 14px;
    border-radius: 999px;
    color: #596579;
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.chapter-language-switcher a:hover {
    color: #173f70;
}

.chapter-language-switcher a[aria-current="page"] {
    background: #173f70;
    color: #fff;
    box-shadow: 0 4px 12px rgba(23, 63, 112, 0.18);
}

@media (max-width: 760px) {
    .chapter-shell .chapter-hero {
        padding: 26px 18px 25px;
        border-radius: 14px;
    }

    .chapter-shell .chapter-title-meta {
        width: auto;
        padding: 0;
    }

    .chapter-language-switcher {
        margin-bottom: 17px;
    }
}