/* ==========================================================================
   Site Footer
   Navy background. 4-column grid: brand, links, contact, UK map.
   Social icons in Contact column only.
   ========================================================================== */

.site-footer {
    background-color: var(--color-dark-blue);
    padding-top: var(--section-padding);
    border-top: 1px solid var(--color-white-08);
}

/* 4-column grid */
.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding-bottom: var(--space-lg);
}

/* Column heading - plain white, not uppercase */
.site-footer__col-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

/* Brand column */
.site-footer__logo-link {
    display: inline-flex;
    margin-bottom: var(--space-sm);
}
.site-footer__logo-link img {
    height: 120px;
    width: auto;
}

.site-footer__description {
    font-size: 0.875rem;
    color: var(--color-white-60);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    max-width: 30ch;
}


/* Links column */
.site-footer__menu {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.site-footer__menu li a {
    font-size: 0.9375rem;
    color: var(--color-white-65);
    transition: color var(--transition-base);
}
.site-footer__menu li a:hover,
.site-footer__menu li a:focus-visible {
    color: var(--color-white);
}

/* Contact column - no icons, just text */
.site-footer__contact-item {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-white-65);
    margin-bottom: 0.375rem;
    transition: color var(--transition-base);
}
.site-footer__contact-item:hover,
.site-footer__contact-item:focus-visible {
    color: var(--color-white);
}
.site-footer__contact-item--underline {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.site-footer__social {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--space-md);
}
.site-footer__social-link {
    display: flex;
    align-items: center;
    opacity: 0.65;
    transition: opacity var(--transition-base);
}
.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
    opacity: 1;
}
.site-footer__social-link img {
    width: 24px;
    height: 24px;
}

/* Location column */
.site-footer__location {
    display: flex;
    flex-direction: column;
}

.site-footer__map {
    width: 170px;
    height: auto;
    opacity: 0.9;
}

.site-footer__group {
    padding-top: var(--space-sm);
}

.site-footer__group-text {
    font-size: 0.875rem;
    color: var(--color-white);
    margin: 0;
}
.site-footer__group-text strong {
    font-weight: 500;
    color: var(--color-white);
}

.site-footer__group-link {
    font-size: 0.875rem;
    color: var(--color-white-60);
    font-weight: 500;
    transition: color var(--transition-base);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.site-footer__group-link:hover {
    color: var(--color-white);
}

/* Footer bar */
.site-footer__bar {
    border-top: 1px solid var(--color-white-08);
    padding-block: var(--space-sm);
}
.site-footer__bar .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.site-footer__copyright,
.site-footer__credit {
    font-size: 0.8125rem;
    color: var(--color-white-40);
    margin: 0;
}
.site-footer__credit a {
    color: var(--color-white-55);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-base);
}
.site-footer__credit a:hover { color: var(--color-white); }

.site-footer__privacy {
    font-size: 0.8125rem;
    color: var(--color-white-55);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-base);
}
.site-footer__privacy:hover { color: var(--color-white); }

/* ---- Mobile: centered layout ---- */
@media ( max-width: 575px ) {
    .site-footer__grid {
        text-align: center;
    }

    .site-footer__logo-link {
        justify-content: center;
    }

    .site-footer__description {
        max-width: none;
        margin-inline: auto;
    }

    .site-footer__menu {
        align-items: center;
    }

    .site-footer__social {
        justify-content: center;
    }

    .site-footer__location {
        align-items: center;
    }

    .site-footer__bar .container {
        flex-direction: column;
        text-align: center;
    }
}

/* ---- Tablet: 2-column, centered content ---- */
@media ( min-width: 576px ) and ( max-width: 1023px ) {
    .site-footer__grid {
        grid-template-columns: repeat(2, 1fr);
        text-align: center;
    }

    .site-footer__logo-link {
        justify-content: center;
    }

    .site-footer__description {
        max-width: none;
        margin-inline: auto;
    }

    .site-footer__menu {
        align-items: center;
    }

    .site-footer__social {
        justify-content: center;
    }

    .site-footer__location {
        align-items: center;
    }
}

/* ---- Desktop: 4-column ---- */
@media ( min-width: 1024px ) {
    .site-footer__grid {
        grid-template-columns: 2fr 1fr 1.25fr 1.25fr;
        gap: var(--space-lg);
    }
}