/* Homepage brand and product hierarchy. No shared navigation or animation rules. */
body.homepage main .home-hero-title {
    max-width: 16ch;
    margin-bottom: 0;
    font-size: clamp(2.25rem, 5vw, 4.5rem) !important;
    line-height: 1.08 !important;
}

body.homepage main .home-brand-hook {
    max-width: 38ch;
    margin: 1.25rem 0 0;
    color: #f0c47c;
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    line-height: 1.5;
    text-wrap: pretty;
}

body.homepage main .home-brand-product {
    max-width: 29ch;
    margin: 0;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.55;
    color: #f6efe2;
    text-wrap: pretty;
}

body.homepage main .home-hero-actions {
    margin-top: 1.25rem;
}

body.homepage main .ah-cta,
body.homepage main .home-text-link {
    text-transform: none;
    letter-spacing: 0.025em;
}

body.homepage main .home-section-label {
    margin: 0 0 1rem;
    color: var(--ah-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    line-height: 1.5;
}

body.homepage main :is(#section-visual-difference, #section-comparison-table, #section-lab-program, #section-home-purchase) h2.home-section-title {
    margin: 0;
    max-width: 22ch;
    font-family: var(--ah-display-font);
    font-size: clamp(2rem, 3.7vw, 3.5rem) !important;
    line-height: 1.15 !important;
    font-weight: 500;
    letter-spacing: -0.02em !important;
    text-wrap: balance;
}

body.homepage main .home-featured,
body.homepage main .home-research {
    padding-block: clamp(4rem, 7vw, 6.5rem);
}

body.homepage main .home-featured-heading {
    display: grid;
    grid-template-columns: 1fr 1.3fr auto;
    gap: 1.5rem 3rem;
    align-items: end;
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

body.homepage main #section-visual-difference h2.home-section-title {
    font-size: clamp(3rem, 5vw, 4.5rem) !important;
}

body.homepage main .home-product-category {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

body.homepage main .home-featured-definition .ah-copy {
    margin: 0;
}

body.homepage main .home-product-photos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: start;
}

body.homepage main .home-product-photo {
    min-width: 0;
    margin: 0;
    scroll-margin-top: 5rem;
}

body.homepage main .home-product-photo img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

body.homepage main .home-product-photo figcaption {
    margin-top: 0.8rem;
    color: var(--ah-ink-3);
    font-size: 0.85rem;
    line-height: 1.5;
}

body.homepage main .home-thinking {
    padding-block: clamp(3.5rem, 6vw, 5.5rem);
}

body.homepage main .home-thinking-layout,
body.homepage main .home-research-heading {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(2rem, 6vw, 6rem);
    align-items: center;
}

body.homepage main .home-thinking-copy .ah-copy,
body.homepage main .home-research-heading .ah-copy {
    max-width: 40ch;
    margin: 0;
}

body.homepage main .home-research-paths {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 6vw, 6rem);
    margin-top: 3rem;
}

body.homepage main .home-research-path {
    min-width: 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ah-rule);
}

body.homepage main .home-research-path h3 {
    margin: 0;
    font-family: var(--ah-display-font);
    font-size: clamp(1.4rem, 2vw, 1.8rem);
    font-weight: 500;
    line-height: 1.3;
}

body.homepage main .home-research-path .ah-copy {
    max-width: 40ch;
    margin: 0.8rem 0 1.5rem;
}

body.homepage main .home-text-link {
    display: inline-block;
    color: var(--ah-ink);
    font-size: 0.95rem;
    line-height: 1.55;
    text-decoration: underline;
    text-decoration-color: var(--ah-rule-strong);
    text-underline-offset: 0.35em;
}

body.homepage main .home-text-link:hover {
    color: var(--ah-accent);
}

body.homepage main .home-final-action {
    padding-block: clamp(2.75rem, 5vw, 4rem);
}

body.homepage main .home-final-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.75rem 3rem;
}

body.homepage main #section-home-purchase h2.home-section-title {
    font-size: clamp(1.65rem, 2.5vw, 2.5rem) !important;
}

body.homepage main .home-final-action .ah-cta {
    flex-shrink: 0;
}

html[lang^="zh-Hant"] body.homepage main .home-hero-title {
    max-width: 9em;
    font-size: clamp(2rem, 4.4vw, 4rem) !important;
    line-height: 1.25 !important;
}

body.homepage main .home-title-phrase {
    display: inline-block;
    white-space: nowrap;
}

html[lang^="zh-Hant"] body.homepage main :is(#section-visual-difference, #section-comparison-table, #section-lab-program, #section-home-purchase) h2.home-section-title {
    line-height: 1.35 !important;
    letter-spacing: 0 !important;
}

@media (max-width: 1023px) {
    body.homepage main .ah-hero-body {
        grid-template-columns: 1.2fr 1fr;
        gap: 2rem;
    }
    body.homepage main .home-featured-heading {
        grid-template-columns: 1fr 1.5fr;
    }
    body.homepage main .home-featured-heading > .ah-cta {
        justify-self: start;
        grid-column: 2;
    }
}

@media (max-width: 600px) {
    body.homepage main .ah-hero-body,
    body.homepage main .home-featured-heading,
    body.homepage main .home-product-photos,
    body.homepage main .home-thinking-layout,
    body.homepage main .home-research-heading,
    body.homepage main .home-research-paths {
        grid-template-columns: 1fr;
    }
    body.homepage main .ah-hero-body {
        gap: 1.25rem;
    }
    body.homepage main .home-brand-hook {
        margin-top: 0.8rem;
    }
    body.homepage main .ah-hero-aside {
        padding-top: 1rem;
    }
    body.homepage main .home-brand-product {
        max-width: 31ch;
    }
    body.homepage main .home-featured-heading > .ah-cta {
        grid-column: auto;
    }
    body.homepage main .home-product-photos {
        gap: 2rem;
    }
    body.homepage main .home-research-paths {
        margin-top: 2rem;
    }
    body.homepage main .home-final-layout {
        align-items: flex-start;
        flex-direction: column;
    }
}