/* Site footer — mobile-first, CSS Grid, BEM */

.site-footer {
    --footer-bg: #0a0a0a;
    --footer-text: #c4c4c4;
    --footer-heading: #ffffff;
    --footer-border: rgba(255, 255, 255, 0.18);
    --footer-accent: var(--color-primary);

    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 3.5rem var(--container-padding) 2rem;
}

.site-footer__inner {
    max-width: var(--container-max);
    margin-inline: auto;
    display: grid;
    gap: 2.5rem;
}

.site-footer__brand {
    display: grid;
    width: 100%;
}

.site-footer__logo {
    display: grid;
    width: 100%;
}

.site-footer__logo img {
    width: 100%;
    height: auto;
    display: block;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.site-footer__col {
    display: grid;
    gap: 0.875rem;
    align-content: start;
}

.site-footer__about {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.65;
    color: var(--footer-text);
}

.site-footer__locations {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.site-footer__heading {
    margin: 0;
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--footer-heading);
}

.site-footer__address {
    margin: 0;
    font-style: normal;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.55;
    color: var(--footer-text);
}

.site-footer__list {
    display: grid;
    gap: 0.625rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer__list li,
.site-footer__list a {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--footer-text);
}

.site-footer__list a {
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer__list a:hover,
.site-footer__list a:focus-visible {
    color: #ffffff;
}

.site-footer__email {
    color: var(--footer-accent) !important;
}

.site-footer__email:hover,
.site-footer__email:focus-visible {
    color: var(--color-primary-hover) !important;
}

.site-footer__list a:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.site-footer__bottom {
    display: grid;
    justify-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--footer-border);
}

.site-footer__copyright {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    color: var(--footer-text);
}

/* Tablet */
@media (min-width: 48rem) {
    .site-footer {
        padding: 4.5rem var(--container-padding) 2.25rem;
    }

    .site-footer__inner {
        gap: 3rem;
    }

    .site-footer__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 2.5rem 2rem;
    }

    .site-footer__col--about {
        grid-column: 1 / -1;
    }

    .site-footer__locations {
        margin-top: 2rem;
    }
}

/* Desktop */
@media (min-width: 64rem) {
    .site-footer {
        padding: 5.5rem var(--container-padding) 2.5rem;
    }

    .site-footer__inner {
        gap: 3.5rem;
    }

    .site-footer__grid {
        grid-template-columns: minmax(0, 1.45fr) max-content minmax(0, 1fr);
        column-gap: 4.5rem;
        row-gap: 2.5rem;
        align-items: start;
    }

    .site-footer__col--about {
        grid-column: 1;
        max-width: 30rem;
        margin-inline-end: 0;
        justify-self: start;
    }

    .site-footer__col--links {
        grid-column: 2;
        justify-self: center;
        margin-inline-start: 2rem;
    }

    .site-footer__col--contact {
        grid-column: 3;
        justify-self: end;
    }

    .site-footer__locations {
        margin-top: 2.5rem;
    }

    .site-footer__about,
    .site-footer__address,
    .site-footer__list li,
    .site-footer__list a {
        font-size: 0.9375rem;
    }

    .site-footer__heading {
        font-size: 0.875rem;
    }

    .site-footer__bottom {
        padding-top: 2rem;
    }

    .site-footer__copyright {
        font-size: 0.75rem;
        letter-spacing: 0.1em;
    }
}