/* ========================================
   FOOTER — BLANCO EDITORIAL
   ======================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-20) 0 var(--spacing-10);
    position: relative;
    overflow: hidden;
    border-top: 3px solid var(--color-accent);
}

/* Watermark de fondo */
.footer::after {
    content: 'MIGA';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: clamp(120px, 20vw, 280px);
    color: rgba(255, 255, 255, 0.03);
    line-height: 0.8;
    white-space: nowrap;
    pointer-events: none;
    letter-spacing: var(--tracking-tight);
    user-select: none;
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-16);
    padding-bottom: var(--spacing-16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.footer-logo img {
    height: 64px;
    width: auto;
    display: block;
}

.footer-desc {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.55);
    max-width: 280px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-2);
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 14px;
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary);
}

.footer-title {
    font-family: var(--font-body);
    font-weight: var(--font-bold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-white);
    position: relative;
    padding-bottom: var(--spacing-4);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

.footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.footer-links a::before {
    content: '→';
    font-size: 11px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.footer-links a:hover::before {
    opacity: 1;
}

.footer-contact {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.footer-contact li {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.55);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    line-height: var(--leading-relaxed);
}

.footer-contact i {
    color: var(--color-accent);
    font-size: 15px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* ─── Footer bottom ─── */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: var(--tracking-wide);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--transition-fast);
}

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

.footer-dev {
    margin-left: auto;
}

.footer-dev a {
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--transition-fast);
}

.footer-dev a:hover {
    color: var(--color-gold);
}

/* ─── Newsletter notification ─── */
.newsletter-notification {
    margin-top: var(--spacing-3);
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    border-left: 3px solid;
}

.newsletter-notification.show {
    opacity: 1;
    transform: translateY(0);
}

.newsletter-notification.success {
    background-color: rgba(34, 197, 94, 0.1);
    border-color: var(--color-success);
    color: #86efac;
}

.newsletter-notification.error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: #fca5a5;
}

.newsletter-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-10);
    }

    .footer-column:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-16) 0 var(--spacing-8);
    }

    .footer-container {
        padding: 0 20px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        margin-bottom: var(--spacing-10);
        padding-bottom: var(--spacing-10);
    }

    .footer-column:first-child {
        grid-column: span 1;
    }

    .footer-desc {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-2);
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 0 16px;
    }
}