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

.site-footer {
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

/* --------------------------------------------------------------------------
   Footer Top — Newsletter + Brand
   -------------------------------------------------------------------------- */
.footer-top {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.footer-top__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.footer-brand .site-name {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 380px;
    margin: 0;
    line-height: 1.7;
}

.footer-newsletter h3 {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.footer-newsletter p {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.65rem 1rem;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-form input:focus {
    border-color: var(--color-accent);
}

.newsletter-form input::placeholder {
    color: var(--color-text-faint);
}

/* --------------------------------------------------------------------------
   Footer Middle — Navigation columns
   -------------------------------------------------------------------------- */
.footer-middle {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.footer-nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.footer-nav-col h4 {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-faint);
    margin-bottom: var(--space-md);
}

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

.footer-nav-col a {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-nav-col a:hover { color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Footer Bottom — Copyright
   -------------------------------------------------------------------------- */
.footer-bottom {
    padding: var(--space-lg) 0;
}

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

.footer-copyright {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-faint);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-faint);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .footer-top__inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

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

@media (max-width: 600px) {
    .footer-nav-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        border-radius: var(--radius-md);
    }

    .footer-bottom__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}