/**
 * Footer Styles - idioms.toolsyte.com
 * Matching the approved visual reference specification.
 */

.site-footer {
    margin-top: auto;
    background-color: var(--color-bg-base, #fcfbf8);
    border-top: 1px solid rgba(226, 232, 240, 0.7);
    padding-top: 3rem;
    padding-bottom: 1.75rem;
}

.footer-container {
    display: grid;
    grid-template-columns: minmax(230px, 1fr) minmax(0, 1.8fr);
    gap: 4rem;
    align-items: start;
}

.footer-brand-col {
    max-width: 24rem;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    margin-bottom: 0.35rem;
}

.footer-brand-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.footer-brand .brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text-main, #0c1524);
    letter-spacing: -0.03em;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-secondary, #475569);
    margin: 0 0 0.6rem 0;
    line-height: 1.5;
}

.footer-credit-pill {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted, #64748b);
    background-color: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.04);
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full, 9999px);
    text-decoration: none;
}

.footer-credit-pill:hover {
    color: var(--color-accent, #2563eb);
}

.footer-link-groups {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-link-group h2 {
    margin: 0 0 0.75rem;
    color: var(--color-text-main, #0c1524);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-link-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-link-group li + li {
    margin-top: 0.5rem;
}

.footer-link-group a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary, #475569);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-link-group a:hover {
    color: var(--color-accent, #2563eb);
}

.footer-link-group a:focus-visible,
.footer-credit-pill:focus-visible,
.footer-brand:focus-visible {
    outline: 2px solid var(--color-accent, #2563eb);
    outline-offset: 2px;
}

.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(226, 232, 240, 0.7);
}

.copyright {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted, #64748b);
}

@media (max-width: 760px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-link-groups {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding-top: 2.25rem;
    }

    .footer-link-groups {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-link-group:last-child {
        grid-column: 1 / -1;
    }

    .footer-link-group a {
        display: inline-flex;
        min-height: 2rem;
        align-items: center;
    }
}