.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-2xl);
}

.footer-branding {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-logo-link {
    display: inline-block;
    line-height: 0;
}

.footer-logo {
    height: 36px;
    width: auto;
}

.footer-logo.logo-light {
    display: none;
}

.footer-logo.logo-dark {
    display: block;
}

[data-theme="light"] .footer-logo.logo-light {
    display: block;
}

[data-theme="light"] .footer-logo.logo-dark {
    display: none;
}

.footer-tagline {
    color: var(--color-green);
    font-size: 0.85rem;
    margin: 0;
}

.footer-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-self: start;
}

.footer-col-title {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-green-dim);
    margin: 0 0 var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}

.footer-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu a {
    color: var(--color-gray);
    font-size: 0.85rem;
    transition: color var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-green);
}

.footer-bottom {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-gray-dark);
}

.footer-credit {
    color: var(--color-green-dim);
    font-size: 0.8rem;
}

.cursor-blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-columns {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-columns {
        grid-template-columns: 1fr;
    }
}