/* ==========================================================================
   Footer Component — ColdStorage Canada
   Styles for the site-wide footer: 4-column grid (desktop), 2-column
   (tablet), 1-column (mobile), plus a bottom bar with copyright and legal
   links. Mobile-first; tablet at 768px, desktop at 1024px. All values
   reference design-system.css custom properties.
   ========================================================================== */


/* ==========================================================================
   Base footer block
   ========================================================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-10);
    padding-bottom: var(--space-6);
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
}

/* Inner wrapper — matches site container width and responsive padding */
.footer-container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}


/* ==========================================================================
   Top section — column grid
   Mobile = 1 column, tablet (768px) = 2, desktop (1024px) = 4
   ========================================================================== */
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* Each column wraps into a vertical flex stack so internal spacing is uniform */
.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}


/* ==========================================================================
   Column 1 — Brand block
   ========================================================================== */
.footer-logo {
    color: var(--color-white);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-1);
}

.footer-tagline {
    color: var(--color-neutral-300);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
}

.footer-description {
    color: var(--color-neutral-300);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Social icon row */
.footer-socials {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-neutral-300);
    border-radius: var(--radius-sm);
    transition: color var(--transition-base), background-color var(--transition-base);
}

.footer-social-link:hover,
.footer-social-link:focus-visible {
    color: var(--color-white);
    background-color: var(--color-secondary);
    outline: none;
}

.footer-social-icon {
    width: 24px;
    height: 24px;
    display: block;
}


/* ==========================================================================
   Column headings — uppercase, small, muted neutral
   ========================================================================== */
.footer-heading {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}


/* ==========================================================================
   Link lists in columns
   ========================================================================== */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.footer-link {
    display: inline-block;
    color: var(--color-neutral-300);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    transition: color var(--transition-base);
}

.footer-link:hover,
.footer-link:focus-visible {
    color: var(--color-white);
    outline: none;
}


/* ==========================================================================
   Bottom bar — copyright, legal links, sign-off
   Mobile: stacked & centered. Desktop: row with space-between.
   ========================================================================== */
.footer-bottom {
    margin-top: var(--space-6);
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);

    /* Mobile-first: stacked & centered */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-align: center;
}

.footer-copyright,
.footer-signoff {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
}

.footer-legal .footer-link {
    font-size: var(--text-sm);
    color: var(--color-neutral-400);
}

.footer-legal .footer-link:hover,
.footer-legal .footer-link:focus-visible {
    color: var(--color-white);
}

.footer-legal-sep {
    color: var(--color-neutral-400);
    font-size: var(--text-sm);
    user-select: none;
}


/* ==========================================================================
   Focus visibility — keyboard-friendly outline on all interactive elements
   ========================================================================== */
.footer a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}


/* ==========================================================================
   Tablet (768px and up) — 2-column grid, wider container padding,
   bottom bar shifts to a horizontal row.
   ========================================================================== */
@media (min-width: 768px) {

    .footer-container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        text-align: left;
        gap: var(--space-3);
    }

    .footer-legal {
        order: 2;
    }

    .footer-signoff {
        order: 3;
        text-align: right;
    }
}


/* ==========================================================================
   Desktop (1024px and up) — 4-column grid, brand column gets extra room.
   ========================================================================== */
@media (min-width: 1024px) {

    .footer-container {
        padding-left: var(--space-10);
        padding-right: var(--space-10);
    }

    .footer-grid {
        /* Brand column wider than the link columns */
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-6);
    }

    .footer-bottom {
        flex-wrap: nowrap;
    }
}

/* End of file */