/* Mobile: bottom nav */
.bottom-nav {
    display: flex;
    background: var(--color-surface);
    border-top: 0.0625rem solid var(--color-border);
    height: var(--bottom-nav-height);
}

.bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1875rem;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}

.bottom-nav__item--active { color: var(--color-primary); }
.bottom-nav__item:hover { color: var(--color-primary); }

/* Desktop: full footer */
.site-footer { display: none; }

@media (min-width: 48rem) {
    .bottom-nav { display: none; }

    .site-footer {
        display: block;
        background: var(--color-text);
        color: #fff;
    }

    .site-footer__inner {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 2.5rem;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 3rem var(--page-gutter) 2.5rem;
    }

    .site-footer__logo {
        font-size: 1.375rem;
        font-weight: 800;
        color: var(--color-primary);
        display: block;
        margin-bottom: 0.75rem;
    }

    .site-footer__brand p {
        font-size: 0.8125rem;
        color: #9CA3AF;
        line-height: 1.7;
        margin-bottom: 1.25rem;
        max-width: 17.5rem;
    }

    .site-footer__social {
        display: flex;
        gap: 0.75rem;
    }

    .site-footer__social a {
        color: #9CA3AF;
        transition: color 0.15s;
    }

    .site-footer__social a:hover { color: #fff; }

    .site-footer__col h4 {
        font-size: 0.8125rem;
        font-weight: 600;
        color: #fff;
        margin-bottom: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.03125rem;
    }

    .site-footer__col ul { list-style: none; }

    .site-footer__col li { margin-bottom: 0.625rem; }

    .site-footer__col a {
        font-size: 0.8125rem;
        color: #9CA3AF;
        text-decoration: none;
        transition: color 0.15s;
    }

    .site-footer__col a:hover { color: #fff; }

    .site-footer__bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 1rem var(--page-gutter);
        border-top: 0.0625rem solid rgba(255,255,255,0.08);
        font-size: 0.75rem;
        color: #6B7280;
    }

    .site-footer__legal { display: flex; gap: 1.25rem; }
    .site-footer__legal a { color: #6B7280; text-decoration: none; }
    .site-footer__legal a:hover { color: #fff; }
}