:root {
    --footer-border-color: rgba(255, 255, 255, 0.2);
    --footer-divider-color: rgba(255, 255, 255, 0.15);
    --footer-heading-color: rgba(255, 255, 255, 0.95);
    --footer-link-color: rgba(255, 255, 255, 0.78);
    --footer-link-hover-color: rgba(255, 255, 255, 1);
    --footer-link-indicator-color: rgba(255, 255, 255, 0.5);
    --footer-background-color: transparent;
    --footer-max-width: 1080px;
    --footer-padding-block: 48px;
    --footer-padding-inline: 20px;
    --footer-padding-bottom: 24px;
    --footer-margin-top: 80px;
    --footer-grid-gap: 24px;
    --footer-grid-padding-top: 16px;
    --footer-heading-letter-spacing: 0.08em;
    --footer-heading-font-size: 1rem;
    --footer-link-font-size: 0.9rem;
    --footer-copyright-padding-top: 28px;
    --footer-copyright-color: rgba(255, 255, 255, 0.65);
}

.site-footer {
    width: 100%;
    margin: var(--footer-margin-top) auto 0;
    padding: var(--footer-padding-block) var(--footer-padding-inline) var(--footer-padding-bottom);
    background: var(--footer-background-color);
    border-top: 0;
    color: var(--footer-heading-color);
}

.site-footer__inner {
    width: min(var(--footer-max-width), calc(100% - 2 * var(--footer-padding-inline)));
    margin: 0 auto;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--footer-grid-gap);
    margin: 0 0 32px;
    padding-top: var(--footer-grid-padding-top);
    border-top: 1px solid var(--footer-divider-color);
    text-align: left;
}

.site-footer__section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer__heading {
    margin: 0;
    font-size: var(--footer-heading-font-size);
    letter-spacing: var(--footer-heading-letter-spacing);
    text-transform: uppercase;
    color: var(--footer-heading-color);
}

.site-footer__links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-footer__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
    font-size: var(--footer-link-font-size);
    letter-spacing: 0.04em;
    color: var(--footer-link-color);
    text-decoration: none;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

.site-footer__link::before {
    content: '▌';
    color: var(--footer-link-indicator-color);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
}

.site-footer__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--footer-link-hover-color);
    transition: width 0.2s ease;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
    color: var(--footer-link-hover-color);
    text-shadow: 0 0 16px rgba(255, 255, 255, 0.25);
}

.site-footer__link:hover::after,
.site-footer__link:focus-visible::after {
    width: 100%;
}

.site-footer__link:focus-visible {
    outline: 2px solid var(--footer-link-hover-color);
    outline-offset: 3px;
}

.site-footer__link[rel~="noopener"]::after {
    transition-duration: 0.28s;
}

.site-footer__copyright {
    border-top: 1px solid var(--footer-divider-color);
    padding-top: var(--footer-copyright-padding-top);
    text-align: center;
}

.site-footer__copyright-text {
    margin: 0;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--footer-copyright-color);
}

.site-footer--home {
    --footer-background-color: var(--home-feed-bg);
    --footer-border-color: var(--home-feed-border, rgba(255, 215, 0, 0.48));
    --footer-divider-color: var(--home-feed-border, rgba(255, 215, 0, 0.48));
    --footer-heading-color: var(--home-feed-gold, #ffd700);
    --footer-link-color: var(--home-feed-gold-muted, #d4af37);
    --footer-link-hover-color: var(--home-feed-gold-strong, #ffed4e);
    --footer-link-indicator-color: var(--home-feed-gold-muted, #d4af37);
    --footer-max-width: 960px;
    --footer-margin-top: 12px;
    --footer-padding-block: 24px;
    --footer-padding-bottom: 16px;
    --footer-grid-gap: 24px;
    --footer-grid-padding-top: 12px;
    --footer-heading-letter-spacing: 0.24em;
    --footer-heading-font-size: 0.95rem;
    --footer-link-font-size: 0.88rem;
    --footer-copyright-padding-top: 20px;
    --footer-copyright-color: rgba(255, 215, 0, 0.65);
}

.site-footer--subpage {
    --footer-border-color: var(--stroke-red, rgba(138, 31, 31, 0.8));
    --footer-divider-color: rgba(255, 255, 255, 0.2);
    --footer-heading-color: var(--text-white, #ffffff);
    --footer-link-color: rgba(255, 255, 255, 0.85);
    --footer-link-hover-color: var(--text-white, #ffffff);
    --footer-link-indicator-color: rgba(255, 255, 255, 0.6);
    --footer-max-width: 960px;
    --footer-margin-top: 80px;
    --footer-padding-block: 48px;
    --footer-padding-inline: 20px;
    --footer-padding-bottom: 32px;
    --footer-grid-gap: 32px;
    --footer-grid-padding-top: 16px;
    --footer-heading-letter-spacing: 0.08em;
    --footer-heading-font-size: 1rem;
    --footer-link-font-size: 0.9rem;
    --footer-copyright-padding-top: 32px;
    --footer-copyright-color: rgba(255, 255, 255, 0.7);
}

.site-footer--legacy {
    --footer-border-color: rgba(255, 215, 0, 0.48);
    --footer-divider-color: rgba(255, 215, 0, 0.32);
    --footer-heading-color: var(--home-feed-gold, #ffd700);
    --footer-link-color: var(--home-feed-gold-muted, #d4af37);
    --footer-link-hover-color: var(--home-feed-gold, #ffd700);
    --footer-link-indicator-color: rgba(255, 215, 0, 0.6);
    --footer-max-width: 960px;
    --footer-margin-top: 40px;
    --footer-padding-block: 36px;
    --footer-padding-inline: 20px;
    --footer-grid-gap: 28px;
    --footer-grid-padding-top: 12px;
    --footer-copyright-padding-top: 18px;
    --footer-copyright-color: rgba(255, 215, 0, 0.6);
}

@media (max-width: 768px) {
    .site-footer {
        padding: 40px 16px 24px;
    }

    .site-footer__grid {
        gap: 20px;
    }

    .site-footer__heading {
        letter-spacing: 0.14em;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 32px 14px 24px;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .site-footer__link::before {
        display: none;
    }
}