/* ==========================================================================
   Footer — Megalaser by Acuciante Design
   ========================================================================== */

/* ── Footer principal ── */

.ml-footer {
    background: var(--ml-secondary);
    color: var(--ml-gray-300);
    padding-top: var(--ml-space-4xl);
    position: relative;
    overflow: hidden;
}

/* Animated gradient overlay */
.ml-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(74, 193, 192, 0.30) 0%, transparent 70%),
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(12, 90, 109, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 60% 70%, rgba(74, 193, 192, 0.20) 0%, transparent 60%);
    background-size: 200% 200%, 200% 200%, 180% 180%;
    animation: ml-footerGlow 18s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.ml-footer::after {
    content: '';
    position: absolute;
    top: -15%;
    right: -5%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(74, 193, 192, 0.20), transparent 70%);
    border-radius: 50%;
    animation: ml-footerOrb 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes ml-footerGlow {
    0%, 100% { background-position: 0% 50%, 100% 50%, 50% 0%; }
    25%      { background-position: 30% 80%, 70% 20%, 90% 60%; }
    50%      { background-position: 80% 100%, 10% 60%, 50% 90%; }
    75%      { background-position: 60% 20%, 40% 90%, 20% 40%; }
}

@keyframes ml-footerOrb {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    33%      { transform: translate(-100px, 60px) scale(1.3); opacity: 1; }
    66%      { transform: translate(50px, -40px) scale(0.85); opacity: 0.7; }
}

.ml-footer a {
    color: var(--ml-gray-400);
    transition: color var(--ml-transition);
}

.ml-footer a:hover {
    color: var(--ml-white);
}

/* ── Grid del footer ── */

.ml-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--ml-space-2xl);
    padding-bottom: var(--ml-space-3xl);
    position: relative;
    z-index: 1;
}

/* ── Columna de marca ── */

.ml-footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--ml-space-md);
}

.ml-footer__logo img {
    height: 40px;
    width: auto;
}

.ml-footer__desc {
    font-size: var(--ml-fs-sm);
    line-height: var(--ml-lh-relaxed);
    color: var(--ml-gray-500);
    max-width: 300px;
}

.ml-footer__social {
    display: flex;
    gap: var(--ml-space-sm);
    margin-top: var(--ml-space-sm);
}

.ml-footer__social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--ml-radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--ml-gray-400);
    transition: all var(--ml-transition);
}

.ml-footer__social-link:hover {
    background: var(--ml-primary);
    color: var(--ml-white);
}

.ml-footer__social-link svg {
    width: 18px;
    height: 18px;
}

/* ── Columnas genéricas ── */

.ml-footer__col-title {
    font-family: var(--ml-font-heading);
    font-size: var(--ml-fs-sm);
    font-weight: var(--ml-fw-bold);
    color: var(--ml-white);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--ml-space-lg);
}

.ml-footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--ml-space-sm);
}

.ml-footer__links a {
    font-size: var(--ml-fs-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--ml-space-xs);
}

.ml-footer__links a::before {
    content: '';
    width: 0;
    height: 1px;
    background: var(--ml-primary);
    transition: width var(--ml-transition);
    display: inline-block;
}

.ml-footer__links a:hover::before {
    width: 12px;
}

/* ── Contacto en footer ── */

.ml-footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--ml-space-md);
}

.ml-footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--ml-space-sm);
    font-size: var(--ml-fs-sm);
}

.ml-footer__contact-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--ml-primary);
}

/* ── Barra inferior ── */

.ml-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-block: var(--ml-space-lg);
    position: relative;
    z-index: 1;
}

.ml-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ml-space-md);
    font-size: var(--ml-fs-xs);
    color: var(--ml-gray-600);
}

.ml-footer__copy a {
    color: var(--ml-gray-500);
}

.ml-footer__copy a:hover {
    color: var(--ml-primary-light);
}

.ml-footer__acu-link {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.ml-footer__acu-logo {
    height: 18px;
    width: auto;
    opacity: 0.6;
    transition: opacity var(--ml-transition);
    vertical-align: middle;
    margin-left: 2px;
}

.ml-footer__acu-link:hover .ml-footer__acu-logo {
    opacity: 0.85;
}

.ml-footer__legal {
    display: flex;
    gap: var(--ml-space-lg);
}

.ml-footer__legal a {
    font-size: var(--ml-fs-xs);
    color: var(--ml-gray-600);
}

/* ── WhatsApp flotante ── */

.ml-whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    width: 56px;
    height: 56px;
    background: #25D366;
    color: var(--ml-white);
    border-radius: var(--ml-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ml-shadow-lg);
    transition: transform var(--ml-transition), box-shadow var(--ml-transition);
    text-decoration: none;
}

.ml-whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--ml-shadow-xl);
    color: var(--ml-white);
}

.ml-whatsapp-float svg {
    width: 28px;
    height: 28px;
}

/* ── Responsive ── */

@media (max-width: 1024px) {
    .ml-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .ml-footer {
        padding-top: var(--ml-space-2xl);
    }

    .ml-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--ml-space-xl);
        text-align: center;
    }

    .ml-footer__brand {
        align-items: center;
        text-align: center;
    }

    .ml-footer__grid > div {
        text-align: center;
    }

    .ml-footer__desc {
        max-width: none;
    }

    .ml-footer__social {
        justify-content: center;
    }

    .ml-footer__links {
        align-items: center;
    }

    .ml-footer__contact {
        align-items: center;
    }

    .ml-footer__contact-item {
        justify-content: center;
        text-align: center;
    }

    .ml-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .ml-footer__legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .ml-whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

    .ml-whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
}