/* ==========================================================================
   CAOS - Footer Styles (footer.css)
   ========================================================================== */

.site-footer {
    background: #060608;
    border-top: 1px solid var(--color-border);
    padding-top: 4.5rem;
    padding-bottom: 2.5rem;
    position: relative;
    margin-top: auto;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-crimson), transparent);
    box-shadow: 0 0 15px var(--color-crimson);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-brand .footer-logo {
    display: inline-block;
    margin-bottom: 1.25rem;
}

.footer-brand .footer-logo img {
    height: 38px;
    filter: invert(1) brightness(2);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 340px;
    line-height: 1.6;
}

.footer-col-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--color-text-high);
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 25px;
    height: 2px;
    background: var(--color-crimson);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-crimson);
    transform: translateX(4px);
}

/* Redes Sociales en Footer */
.footer-social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 0.5rem;
}

.social-icon-btn {
    width: 40px;
    height: 40px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-main);
    transition: all var(--transition-fast);
}

.social-icon-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-icon-btn:hover {
    background: var(--color-crimson);
    color: #fff;
    border-color: var(--color-crimson);
    box-shadow: var(--glow-crimson);
    transform: translateY(-3px);
}

/* Newsletter Rock */
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.newsletter-form p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.newsletter-input-group {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input-group input {
    flex: 1;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-input-group input:focus {
    border-color: var(--color-crimson);
    box-shadow: 0 0 10px var(--color-crimson-subtle);
}

/* Footer Bottom */
.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--color-text-dark);
}

.footer-bottom a {
    color: var(--color-text-muted);
}

.footer-bottom a:hover {
    color: var(--color-crimson);
}

@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}