/* ==========================================================================
   Papiro — footer.css
   ========================================================================== */

.site-footer {
    background: var(--color-ink);
    color: rgba(255,255,255,0.85);
    margin-top: 5rem;
}

.footer__main { padding: 4rem 0 3rem; }

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
}

/* ---------- Columna marca ---------- */
.footer__logo img { filter: brightness(0) invert(1); margin-bottom: 1rem; }

.footer__tagline {
    font-size: var(--text-sm);
    line-height: 1.7;
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

.footer__social { display: flex; gap: 0.75rem; }

.footer__social-link {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.7);
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.footer__social-link:hover {
    border-color: var(--color-accent);
    color: var(--color-white);
    background: var(--color-accent);
}

/* ---------- Columnas de nav ---------- */
.footer__col-title {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.footer__links { display: flex; flex-direction: column; gap: 0.625rem; }

.footer__links a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.65);
    transition: color var(--transition), padding-left var(--transition);
}
.footer__links a:hover { color: var(--color-white); padding-left: 4px; }

/* ---------- Newsletter ---------- */
.footer__newsletter-desc {
    font-size: var(--text-sm);
    opacity: 0.7;
    margin-bottom: 1rem;
}

.footer__newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.footer__newsletter-input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: var(--text-sm);
    transition: border-color var(--transition);
}
.footer__newsletter-input::placeholder { color: rgba(255,255,255,0.4); }
.footer__newsletter-input:focus { outline: none; border-color: var(--color-accent); }

/* ---------- Métodos de pago ---------- */
.footer__payments { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.footer__payment-badge {
    padding: 0.3rem 0.6rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.7);
}

/* ---------- Footer bottom ---------- */
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.25rem 0;
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.45);
}

.footer__bottom a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer__bottom a:hover { color: var(--color-white); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
    .footer__grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer__main { padding: 2.5rem 0 2rem; }
}