/**
 * ZINCAM/DEV — High-End Studio Footer Styles
 * Editorial, technical, structured & premium.
 */

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: clamp(4rem, 8vw, 6rem) 0 2.5rem;
    position: relative;
    z-index: 2;
}

/* Footer Banner / Top Telemetry Row */
.footer-hero-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    padding-bottom: clamp(3rem, 6vw, 4.5rem);
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
    border-bottom: 1px solid var(--border-subtle);
    align-items: center;
}

.footer-brand-lockup {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-logo-main {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    line-height: 1;
}

.footer-logo-main .slash-dev {
    color: var(--signal-red);
    font-family: var(--font-mono);
}

.footer-mission-lead {
    font-family: var(--font-body);
    font-size: 1.15rem;
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 580px;
}

.footer-telemetry-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-telemetry-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-telemetry-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.footer-telemetry-label {
    color: var(--text-muted);
}

.footer-telemetry-val {
    color: var(--text-primary);
    font-weight: 600;
}

/* 4-Column Navigation Matrix */
.footer-matrix {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    padding-bottom: clamp(3rem, 6vw, 4rem);
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-col-title {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    color: var(--signal-red);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-col-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col-link {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease, transform var(--duration-fast) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-col-link:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

.footer-col-link.accent:hover {
    color: var(--signal-red);
}

/* Footer Bottom Bar */
.footer-bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-scroll-top-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.9rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-scroll-top-btn:hover {
    border-color: var(--signal-red);
    color: var(--signal-red);
    background: var(--signal-red-dim);
}

@media (max-width: 1024px) {
    .footer-hero-row {
        grid-template-columns: 1fr;
    }

    .footer-matrix {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 600px) {
    .footer-matrix {
        grid-template-columns: 1fr;
    }

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