/**
 * Shared tokens + hero for knowledge hubs/articles (/faq, /guides, /academy).
 * Knowledge shell width matches About/Press (1400px).
 */
/* Widen beyond default entity encyclopedia shell (1120px). */
.seo-flight-shell:has(.knowledge-hub),
.seo-flight-shell:has(.knowledge-page) {
    max-width: min(1400px, calc(100vw - 1.5rem));
}

/* Final theme override: Academy's editorial token is declared earlier. */
:root[data-theme="dark"] .knowledge-hub,
:root[data-theme="dark"] .knowledge-page,
:root[data-theme="dark"] .kh-academy {
    --kh-accent: #49C8BF;
    --kh-accent-soft: rgba(73, 200, 191, 0.14);
}

.knowledge-hub,
.knowledge-page {
    --kh-font:
        -apple-system, blinkmacsystemfont, "SF Pro Text", "SF Pro Display",
        system-ui, sans-serif;
    --kh-text: var(--color-text);
    --kh-label: var(--color-text-muted);
    --kh-fill: var(--color-surface-muted);
    --kh-surface: var(--color-surface);
    --kh-separator: var(--color-border-subtle);
    --kh-accent: #00c2a8;
    --kh-accent-soft: rgba(0, 194, 168, 0.12);
    --kh-radius: 18px;
    --kh-row-radius: 14px;

    font-family: var(--kh-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root[data-theme="dark"] .knowledge-hub,
:root[data-theme="dark"] .knowledge-page {
    --kh-accent: #49C8BF;
    --kh-accent-soft: rgba(73, 200, 191, 0.14);
}

/* The selected public editorial surfaces use the darker checklist teal. */
.knowledge-hub,
.knowledge-page {
    --kh-accent: #11877F;
    --kh-accent-soft: rgba(17, 135, 127, 0.1);
}

/* Academy is an editorial publication, deliberately distinct from utility hubs. */
.kh-academy {
    --kh-accent: #11877F;
    --kh-accent-soft: rgba(8, 111, 100, 0.09);
    --kh-ink: #14201e;
    --kh-paper: #f5f3ed;
    max-width: 1240px;
    margin-inline: auto;
    color: var(--kh-text);
}

.kh-academy-hero {
    padding: clamp(2.5rem, 7vw, 6rem) 0 clamp(2rem, 5vw, 4.5rem);
    border-bottom: 1px solid var(--kh-separator);
}

.kh-academy-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: end;
}

.kh-academy .kh-title {
    margin: 0;
    max-width: 11ch;
    font-size: clamp(4rem, 10vw, 8.5rem);
    font-weight: 520;
    line-height: 0.88;
    letter-spacing: -0.075em;
}

.kh-academy-hero__copy {
    padding-bottom: 0.35rem;
}

.kh-academy .kh-lede {
    max-width: 40rem;
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.55;
}

.kh-academy-note {
    display: grid;
    grid-template-columns: minmax(12rem, 0.4fr) minmax(0, 1fr);
    gap: 2rem;
    margin: 0;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--kh-separator);
}

.kh-academy-note__label,
.kh-article-aside__label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--kh-accent);
}

.kh-academy-note p {
    margin: 0;
    max-width: 54rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--kh-label);
}

:root:not([data-theme="dark"]) .kh-academy-note {
    background: linear-gradient(90deg, transparent, var(--kh-paper), transparent);
}

.knowledge-hub .kh-hero,
.knowledge-page .kh-hero {
    margin: 0 0 1.75rem;
    max-width: 46rem;
}

.knowledge-hub .kh-hero--wide,
.knowledge-page .kh-hero--wide {
    max-width: 52rem;
}

.kh-eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--kh-label);
}

.kh-title {
    margin: 0 0 0.75rem;
    font-size: clamp(2rem, 4.5vw, 2.85rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.08;
    color: var(--kh-text);
}

.kh-lede {
    margin: 0 0 0.75rem;
    font-size: 1.0625rem;
    line-height: 1.55;
    letter-spacing: -0.015em;
    color: var(--kh-label);
}

.kh-count {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--kh-label);
}

.kh-frame {
    margin: 0 0 1.75rem;
    padding: 1.15rem 1.25rem 1.2rem;
    border-radius: var(--kh-radius);
    background:
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--kh-accent-soft) 70%, transparent),
            var(--kh-fill)
        );
    border: 0.5px solid var(--kh-separator);
}

.kh-frame__text {
    margin: 0 0 0.85rem;
    font-size: 0.96875rem;
    line-height: 1.55;
    letter-spacing: -0.01em;
    color: var(--kh-text);
}

.kh-frame__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}

@media (min-width: 720px) {
    .kh-frame__links {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.65rem 1rem;
    }
}

.kh-frame__links li {
    font-size: 0.875rem;
    line-height: 1.45;
    color: var(--kh-label);
}

.kh-frame__links a {
    color: var(--kh-accent);
    font-weight: 650;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.kh-frame__links a:hover {
    text-decoration: underline;
}

.kh-track {
    margin: 0 0 1.75rem;
}

.kh-track__head {
    margin: 0 0 0.85rem;
    max-width: 48rem;
}

.kh-track__title {
    margin: 0 0 0.35rem;
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.025em;
    color: var(--kh-text);
}

.kh-track__lede {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    letter-spacing: -0.01em;
    color: var(--kh-label);
}

@media (max-width: 639px) {
    .knowledge-hub .kh-hero,
    .knowledge-page .kh-hero {
        margin-bottom: 1rem;
        padding: 0.25rem 1rem 0;
    }

    .kh-title {
        font-size: 1.75rem;
        max-width: none;
    }

    .kh-lede {
        font-size: 0.96875rem;
    }

    .kh-frame {
        margin-bottom: 1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .kh-track {
        margin-bottom: 1.15rem;
    }

    .kh-track__head {
        padding: 0 1rem;
    }

    .seo-flight-shell:has(.knowledge-hub),
    .seo-flight-shell:has(.knowledge-page) {
        max-width: none;
        padding-inline: 0;
    }
}

@media (max-width: 760px) {
    .kh-academy {
        padding-inline: 1.1rem;
    }

    .kh-academy-hero {
        padding-top: 2.25rem;
    }

    .kh-academy-hero__grid,
    .kh-academy-note {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .kh-academy .kh-title {
        font-size: clamp(3.25rem, 18vw, 5rem);
    }
}

/* Final dark-theme token override for Academy and all knowledge descendants. */
:root[data-theme="dark"] .knowledge-hub,
:root[data-theme="dark"] .knowledge-page,
:root[data-theme="dark"] .kh-academy {
    --kh-accent: #49C8BF;
    --kh-accent-soft: rgba(73, 200, 191, 0.14);
}