:root {
    --fbk-ink: #2f2d29;
    --fbk-muted: #6f6a61;
    --fbk-paper: #fffaf1;
    --fbk-card: #ffffff;
    --fbk-accent: #df9b4a;
    --fbk-accent-dark: #9c5f1f;
    --fbk-border: rgba(75, 62, 45, 0.14);
}

.fbk-knowledge-page {
    background: var(--fbk-paper);
    color: var(--fbk-ink);
    margin: 0;
}

.fbk-skip-link {
    background: #fff;
    color: var(--fbk-ink);
    left: 1rem;
    padding: 0.75rem 1rem;
    position: fixed;
    top: -100px;
    z-index: 100000;
}

.fbk-skip-link:focus {
    top: 1rem;
}

.fbk-site-header {
    background: rgba(255, 250, 241, 0.96);
    border-bottom: 1px solid var(--fbk-border);
    position: relative;
    z-index: 10;
}

.fbk-site-header__inner {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1120px;
    min-height: 78px;
    padding: 0.75rem 1.25rem;
}

.fbk-wordmark {
    align-items: center;
    color: var(--fbk-ink) !important;
    display: inline-flex;
    font-size: 1.08rem;
    font-weight: 800;
    gap: 0.7rem;
    letter-spacing: -0.02em;
    text-decoration: none !important;
}

.fbk-wordmark__mark {
    align-items: center;
    background: linear-gradient(145deg, #f2bd77, #cf7d2d);
    border-radius: 10px;
    box-shadow: 0 7px 20px rgba(156, 95, 31, 0.18);
    color: #fff;
    display: inline-flex;
    font-size: 1rem;
    height: 36px;
    justify-content: center;
    width: 36px;
}

.fbk-site-nav {
    align-items: center;
    display: flex;
    gap: 1.25rem;
}

.fbk-site-nav a {
    color: var(--fbk-muted);
    font-size: 0.94rem;
    font-weight: 700;
    text-decoration: none;
}

.fbk-site-nav a[aria-current="page"] {
    color: var(--fbk-accent-dark);
}

.fbk-site-nav__cta {
    background: var(--fbk-ink);
    border-radius: 999px;
    color: #fff !important;
    padding: 0.65rem 1rem;
}

.fbk-site-footer {
    background: #292722;
    color: #fff;
    padding: 3rem 1.25rem;
}

.fbk-site-footer__inner {
    align-items: flex-start;
    display: flex;
    gap: 2rem;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1120px;
}

.fbk-site-footer p {
    color: rgba(255, 255, 255, 0.68);
    margin: 0.5rem 0 0;
}

.fbk-site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.4rem;
}

.fbk-site-footer a {
    color: rgba(255, 255, 255, 0.82);
    text-underline-offset: 0.2em;
}

.fbk-home-knowledge {
    background: linear-gradient(135deg, #fff9ed 0%, #f7ead5 100%);
    border-top: 1px solid var(--fbk-border);
    color: var(--fbk-ink);
    padding: clamp(3.5rem, 7vw, 6rem) 1.25rem;
}

.fbk-home-knowledge__inner {
    margin: 0 auto;
    max-width: 1120px;
}

.fbk-home-knowledge h2 {
    color: var(--fbk-ink);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.05;
    margin: 0 0 1rem;
    max-width: 760px;
}

.fbk-home-knowledge p {
    color: var(--fbk-muted);
    font-size: 1.08rem;
    line-height: 1.7;
    max-width: 680px;
}

.fbk-eyebrow {
    color: var(--fbk-accent-dark) !important;
    font-size: 0.82rem !important;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 0.8rem !important;
    text-transform: uppercase;
}

.fbk-home-knowledge__actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.4rem;
    margin-top: 1.8rem;
}

.fbk-home-knowledge__grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 2.2rem;
}

.fbk-home-topic-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--fbk-border);
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    padding: 1.35rem;
}

.fbk-home-topic-card h3 {
    color: var(--fbk-ink);
    font-size: 1.2rem;
    line-height: 1.25;
    margin: 0 0 0.7rem;
}

.fbk-home-topic-card h3 a {
    color: inherit;
    text-decoration: none;
}

.fbk-home-topic-card p {
    font-size: 0.94rem;
    line-height: 1.55;
    margin: 0 0 1rem;
}

.fbk-home-topic-card__link {
    color: var(--fbk-accent-dark);
    font-size: 0.9rem;
    font-weight: 750;
    margin-top: auto;
    text-underline-offset: 0.2em;
}

.fbk-button {
    background: var(--fbk-ink);
    border-radius: 999px;
    color: #fff !important;
    display: inline-block;
    font-weight: 750;
    padding: 0.9rem 1.35rem;
    text-decoration: none !important;
}

.fbk-button:hover,
.fbk-button:focus-visible {
    background: #151412;
    transform: translateY(-1px);
}

.fbk-text-link {
    color: var(--fbk-accent-dark) !important;
    font-weight: 750;
    text-underline-offset: 0.2em;
}

.fbk-knowledge-shell {
    background: var(--fbk-paper);
    color: var(--fbk-ink);
    min-height: 70vh;
    padding: clamp(2.5rem, 6vw, 5rem) 1.25rem 6rem;
}

.fbk-knowledge-container {
    margin: 0 auto;
    max-width: 1120px;
}

.fbk-breadcrumbs {
    color: var(--fbk-muted);
    font-size: 0.88rem;
    margin: 0 0 2rem;
}

.fbk-breadcrumbs a {
    color: inherit;
    text-underline-offset: 0.2em;
}

.fbk-article {
    margin: 0 auto;
    max-width: 760px;
}

.fbk-article__header {
    border-bottom: 1px solid var(--fbk-border);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
}

.fbk-article__header h1,
.fbk-archive-header h1 {
    color: var(--fbk-ink);
    font-size: clamp(2.25rem, 7vw, 4.5rem);
    letter-spacing: -0.035em;
    line-height: 1.03;
    margin: 0 0 1.15rem;
}

.fbk-article__meta {
    color: var(--fbk-muted);
    font-size: 0.9rem;
}

.fbk-article__content {
    font-size: 1.07rem;
    line-height: 1.78;
}

.fbk-article__content h2 {
    color: var(--fbk-ink);
    font-size: clamp(1.55rem, 4vw, 2rem);
    line-height: 1.2;
    margin: 3.2rem 0 1rem;
}

.fbk-article__content h3 {
    color: var(--fbk-ink);
    font-size: 1.22rem;
    margin: 2rem 0 0.6rem;
}

.fbk-article__content p,
.fbk-article__content li {
    color: #48443d;
}

.fbk-article__content li + li {
    margin-top: 0.55rem;
}

.fbk-lead {
    color: var(--fbk-ink) !important;
    font-size: 1.26rem;
    line-height: 1.65;
}

.fbk-summary,
.fbk-example,
.fbk-sources,
.fbk-disclaimer,
.fbk-legal-notice,
.fbk-editorial-notice,
.fbk-archive-notice {
    background: var(--fbk-card);
    border: 1px solid var(--fbk-border);
    border-radius: 18px;
    margin: 2rem 0;
    padding: clamp(1.25rem, 4vw, 2rem);
}

.fbk-summary {
    border-left: 5px solid var(--fbk-accent);
}

.fbk-summary h2,
.fbk-sources h2 {
    font-size: 1.35rem;
    margin-top: 0;
}

.fbk-example {
    background: #f5ead8;
}

.fbk-example h3 {
    margin-top: 0;
}

.fbk-disclaimer {
    color: var(--fbk-muted) !important;
    font-size: 0.92rem;
}

.fbk-legal-notice {
    background: #f5ead8;
    border-left: 5px solid var(--fbk-accent);
    color: #48443d;
    margin-top: 0;
}

.fbk-legal-notice h2,
.fbk-editorial-notice h2 {
    color: var(--fbk-ink);
    font-size: 1.35rem;
    line-height: 1.25;
    margin: 0 0 0.85rem;
}

.fbk-legal-notice p:last-child,
.fbk-editorial-notice p:last-child {
    margin-bottom: 0;
}

.fbk-editorial-notice {
    color: var(--fbk-muted);
    font-size: 0.94rem;
}

.fbk-archive-notice {
    border-left: 5px solid var(--fbk-accent);
    color: #48443d;
    line-height: 1.65;
    margin: 0 0 2rem;
}

.fbk-faq details {
    background: var(--fbk-card);
    border: 1px solid var(--fbk-border);
    border-radius: 12px;
    margin: 0.75rem 0;
    padding: 1rem 1.1rem;
}

.fbk-faq summary {
    color: var(--fbk-ink);
    cursor: pointer;
    font-weight: 750;
}

.fbk-faq details p {
    margin-bottom: 0.2rem;
}

.fbk-related {
    border-top: 1px solid var(--fbk-border);
    margin-top: 4rem;
    padding-top: 2.5rem;
}

.fbk-related h2 {
    color: var(--fbk-ink);
    font-size: clamp(1.55rem, 4vw, 2rem);
    margin: 0 0 1.2rem;
}

.fbk-related__grid {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fbk-related__grid a {
    background: var(--fbk-card);
    border: 1px solid var(--fbk-border);
    border-radius: 14px;
    color: var(--fbk-ink);
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 1.1rem;
    text-decoration: none;
}

.fbk-related__grid span {
    color: var(--fbk-muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.fbk-archive-header {
    margin-bottom: 3rem;
    max-width: 760px;
}

.fbk-archive-header p {
    color: var(--fbk-muted);
    font-size: 1.12rem;
    line-height: 1.7;
}

.fbk-article-grid {
    display: grid;
    gap: 1.2rem;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.fbk-article-card {
    background: var(--fbk-card);
    border: 1px solid var(--fbk-border);
    border-radius: 18px;
    padding: 1.5rem;
}

.fbk-article-card h2 {
    color: var(--fbk-ink);
    font-size: 1.45rem;
    line-height: 1.2;
    margin: 0 0 0.8rem;
}

.fbk-article-card h2 a {
    color: inherit;
    text-decoration: none;
}

.fbk-article-card p {
    color: var(--fbk-muted);
    line-height: 1.65;
}

.fbk-article-card__link {
    color: var(--fbk-accent-dark);
    font-weight: 750;
    text-underline-offset: 0.2em;
}

@media (max-width: 640px) {
    .fbk-site-header__inner,
    .fbk-site-footer__inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .fbk-site-nav {
        flex-wrap: wrap;
        gap: 0.75rem 1rem;
    }

    .fbk-site-nav__cta {
        padding: 0;
        background: transparent;
        color: var(--fbk-accent-dark) !important;
    }

    .fbk-home-knowledge__grid,
    .fbk-related__grid {
        grid-template-columns: 1fr;
    }

    .fbk-knowledge-shell {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .fbk-article__content {
        font-size: 1rem;
    }
}