/* =========================================================
   FOOTER — DESKTOP
   ========================================================= */
.footer {
    background: var(--dark);
    color: #cbd5e1;
    padding: 60px 0 30px;
    margin-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer h4 {
    color: #fff; font-size: 15px; font-weight: 700;
    margin-bottom: 16px;
}
.footer-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 18px;
    color: #fff; margin-bottom: 14px;
}
.footer-logo i { color: var(--indigo-light); font-size: 22px; }
.footer p {
    font-size: 14px;
    color: #94a3b8;
    max-width: 340px;
}
.footer-links-list li { margin-bottom: 10px; }
.footer-links-list a,
.footer-links-list span {
    font-size: 14px;
    color: #cbd5e1;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links-list a:hover { color: var(--indigo-light); }
.footer-links-list i { color: var(--indigo-light); width: 16px; text-align: center; }
.footer-social {
    display: flex; gap: 12px; margin-top: 16px;
}
.footer-social a {
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 15px;
    transition: all 0.25s ease;
}
.footer-social a:hover {
    background: var(--indigo);
    transform: translateY(-3px);
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1e293b;
    font-size: 13px;
    color: #64748b;
}

/* =========================================================
   TABLET (≤ 900px)
   ========================================================= */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-grid > div:first-child {
        grid-column: 1 / -1;
    }
    .footer p { max-width: 100%; }
}

/* =========================================================
   MÓVIL (≤ 640px)
   ========================================================= */
@media (max-width: 640px) {
    .footer { padding: 48px 0 24px; margin-top: 60px; }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 28px;
    }
    .footer-grid > div:first-child { grid-column: auto; }
    .footer-logo { font-size: 16px; }
    .footer h4 { font-size: 14px; margin-bottom: 12px; }
    .footer-links-list a,
    .footer-links-list span { font-size: 13px; }
    .footer-bottom { font-size: 12px; padding-top: 22px; }
}