/* ==========================================================
   SITE FOOTER
   ========================================================== */

.site-footer {

    /* Footer stays on the dark theme like the hero and header,
       independent of the light content sections above it. */
    --color-background: #07111f;
    --color-background-alt: #0f1d31;

    --color-surface: rgba(255,255,255,.05);
    --color-surface-hover: rgba(255,255,255,.08);
    --color-surface-active: rgba(255,255,255,.12);

    --color-border: rgba(255,255,255,.10);
    --color-border-strong: rgba(255,255,255,.20);

    --color-heading: #ffffff;
    --color-text: rgba(255,255,255,.88);
    --color-text-soft: rgba(255,255,255,.72);
    --color-text-muted: rgba(255,255,255,.52);

    background: var(--color-background);
    border-top: 1px solid var(--color-border);

}

.footer__layout {

    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;

    padding-block: clamp(3.5rem, 6vw, 5.5rem);

}

/* ==========================================
   Brand
   ========================================== */

.footer__brand {

    display: flex;
    flex-direction: column;
    gap: 1.25rem;

    max-width: 420px;

}

.footer__brand p {

    color: var(--color-text-soft);
    line-height: 1.7;

}

/* ==========================================
   Nav Groups
   ========================================== */

.footer__nav {

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;

}

.footer__nav-group h4 {

    margin-bottom: 1.25rem;

    color: var(--color-heading);
    font-size: var(--fs-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;

}

.footer__nav-group ul {

    display: flex;
    flex-direction: column;
    gap: .9rem;

    list-style: none;

}

.footer__nav-group a,
.footer__nav-group span {

    color: var(--color-text-soft);

}

.footer__nav-group a:hover {

    color: var(--color-brand-300);

}

/* ==========================================
   Bottom Bar
   ========================================== */

.footer__bottom {

    padding-block: 1.75rem;

    border-top: 1px solid var(--color-border);

    color: var(--color-text-muted);
    font-size: var(--fs-sm);

}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 768px) {

    .footer__layout {

        grid-template-columns: 1fr;
        gap: 3rem;

    }

    .footer__nav {

        grid-template-columns: 1fr 1fr;

    }

}