/* ============================================================
   FOOTER.CSS · Pie de página + WhatsApp flotante
   Ubicación: /assets/css/footer.css
   ============================================================ */

/* ---------------- PIE ---------------- */
.pie {
    background: var(--negro);
    color: rgba(255, 255, 255, .72);
    padding-top: 64px;
    margin-top: 0;
}

.pie__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px 32px;
    padding-bottom: 56px;
}

.pie__marca { display: flex; flex-direction: column; gap: 18px; }

.logo--pie img {
    filter: brightness(0) invert(1);
    opacity: .95;
    transition: opacity var(--transicion);
    height: 52px;
    max-width: 200px;
}

.logo--pie:hover img { opacity: 1; }

.pie__descripcion {
    font-size: .88rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, .6);
    max-width: 340px;
}

.pie__redes { display: flex; gap: 12px; }

.pie__redes a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .82);
    transition: background var(--transicion), color var(--transicion), transform var(--transicion);
}

.pie__redes a:hover {
    background: var(--vino);
    color: #fff;
    transform: translateY(-3px);
}

.pie__titulo {
    font-family: var(--fuente-texto);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 18px;
}

.pie__lista {
    display: grid;
    gap: 10px;
    list-style: none;
}

.pie__lista a {
    font-size: .88rem;
    color: rgba(255, 255, 255, .6);
    transition: color var(--transicion), padding-left var(--transicion);
}

.pie__lista a:hover {
    color: #fff;
    padding-left: 4px;
}

.pie__address p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .86rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 12px;
}

.pie__address svg {
    color: rgba(255, 255, 255, .9);
    flex-shrink: 0;
    margin-top: 3px;
}

.pie__address a {
    color: rgba(255, 255, 255, .78);
    transition: color var(--transicion);
}
.pie__address a:hover { color: #fff; }

.pie__btn { margin-top: 16px; align-self: flex-start; }

.pie__legal {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-block: 22px;
}

.pie__legal-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .78rem;
    color: rgba(255, 255, 255, .45);
}

/* ---------------- BOTÓN FLOTANTE WHATSAPP ---------------- */
.wa-flotante {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 800;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px 14px 16px;
    background: var(--negro);
    color: #fff;
    border-radius: 999px;
    box-shadow: 0 14px 34px rgba(0, 0, 0, .28);
    font-size: .88rem;
    font-weight: 600;
    transition: transform var(--transicion), box-shadow var(--transicion), background var(--transicion);
}

.wa-flotante:hover {
    background: var(--vino);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 42px rgba(139, 38, 42, .38);
}

.wa-flotante:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

.wa-flotante svg { flex-shrink: 0; }

.wa-flotante__texto {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transition: max-width var(--transicion), opacity var(--transicion);
}

.wa-flotante:hover .wa-flotante__texto,
.wa-flotante.destacado .wa-flotante__texto {
    max-width: 180px;
    opacity: 1;
}

.wa-flotante.destacado {
    animation: waPulso 1.4s ease-in-out 2;
}

@keyframes waPulso {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.05); }
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 1024px) {
    .pie__grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px 28px;
    }
    .pie__marca { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
    .pie { padding-top: 48px; }
    .pie__grid { grid-template-columns: 1fr; gap: 32px; }
    .pie__legal-inner { flex-direction: column; text-align: center; }

    .wa-flotante {
        right: 16px;
        bottom: 16px;
        padding: 12px;
        width: 54px;
        height: 54px;
        justify-content: center;
    }
    .wa-flotante__texto { display: none; }
}