.site-footer {
    background: #161616;
    color: rgba(255, 255, 255, 0.88);
}

.footer-principal {
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 28px;
    align-items: start;
}

.footer-col h4,
.footer-brand h3 {
    margin: 0 0 18px;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
}

.footer-brand h3 {
    font-size: 1.55rem;
    margin-top: 18px;
    margin-bottom: 14px;
}

.footer-brand p {
    margin: 0;
    color: rgba(255, 255, 255, 0.76);
    max-width: 38ch;
}

.footer-logo_link {
    display: inline-flex;
    text-decoration: none;
}

.footer-logo {
    width: 92px;
    height: 92px;
    object-fit: contain;
    display: block;
    border-radius: 999px;
    background: #ffffff;
    padding: 6px;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
}

.footer-lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.footer-lista li {
    margin: 0;
}

.footer-lista a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.78);
    transition: color 0.25s ease, transform 0.25s ease;
}

.footer-lista a:hover {
    color: #ffc107;
    transform: translateX(2px);
}

.footer-lista i {
    width: 18px;
    text-align: center;
}

.footer-redes {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-redes a {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.footer-redes a:hover {
    background: #ffc107;
    color: #1f1f1f;
    transform: translateY(-2px);
}

.footer-boton {
    min-height: 48px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    border-radius: 999px;
    background: #ffc107;
    color: #1f1f1f;
    font-weight: 700;
    transition: background 0.25s ease, transform 0.25s ease;
}

.footer-boton:hover {
    background: #ffb300;
    transform: translateY(-2px);
}

.footer-inferior {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 0;
}

.footer-inferior_contenido {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-inferior_contenido p {
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.95rem;
}

.footer-subir {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.25s ease, transform 0.25s ease;
}

.footer-subir:hover {
    color: #ffc107;
    transform: translateY(-1px);
}

@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-principal {
        padding: 52px 0 26px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-logo {
        width: 82px;
        height: 82px;
    }

    .footer-brand h3 {
        font-size: 1.35rem;
    }

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