/* =========================
   Tablet / 980px
   ========================= */
@media (max-width: 980px) {

    .product-grid,
    .mini-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail,
    .checkout-grid,
    .hero-grid,
    .admin-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================
   Móvil / 768px — Hero de producto
   ========================= */
@media (max-width: 768px) {
    .hero-product {
        grid-template-columns: 1fr;
        padding: 160px 16px 32px;
        gap: 24px;
    }

    .hero-gallery {
        position: static;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .hero-top-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-options-row {
        flex-direction: column;
        gap: 20px;
        padding: 20px 0;
    }

    .hero-purchase-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-timeline::before {
        left: 20px;
        right: 20px;
    }

    .stock-banner {
        font-size: .78rem;
        padding: 12px;
    }

    .urgencia-banner {
        padding: 40px 0;
    }

    .usos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 42px;
        height: 42px;
    }

    .problemas-grid {
        grid-template-columns: 1fr;
    }

    .mensaje-emocional {
        padding: 40px 0;
    }

    .me-line1,
    .me-line2 {
        font-size: 1.05rem;
    }

    .me-question {
        font-size: 1.3rem;
    }

    .instalada-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .instalada-card img {
        height: 130px;
    }

    .proteccion-list {
        grid-template-columns: 1fr;
    }

    .testimonios-grid {
        grid-template-columns: 1fr;
    }

    .garantia-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 16px;
    }

    .sticky-cta-inner {
        padding: 10px 16px;
    }

    .sticky-cta-price {
        font-size: 1.15rem;
    }

    .sticky-cta-original {
        font-size: .75rem;
    }

    .sticky-cta-btn {
        font-size: .82rem;
        padding: 10px 16px;
    }

    .sticky-cta-btn svg {
        width: 16px;
        height: 16px;
    }

    .page-home .footer {
        margin-bottom: 90px;
    }
    
    .testimonio-form-row { grid-template-columns: 1fr; }
    .testimonio-form-wrap { padding: 20px; margin-top: 32px; }
    
}

/* =========================
   Móvil / 680px
   ========================= */
@media (max-width: 680px) {
    .header-inner {
        flex-direction: row;
        align-items: center;
        padding-top: 12px;
        padding-bottom: 12px;
        min-height: unset;
    }

    .page-home .header-inner {
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .nav {
        gap: 8px;
    }

    .nav a {
        font-size: 0.75rem;
    }

    .product-grid,
    .mini-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }

    .cart-item-right {
        text-align: left;
    }

    .section-head {
        align-items: flex-start;
    }

    /* Legacy: clases sin uso actual en header.php (logo-img es la única clase real).
       Las dejo por si las necesitas — confírmame si las elimino. */
    .logo-desktop {
        display: none;
    }

    .logo-mobile {
        display: block;
        height: 44px;
        width: auto;
    }

    .header.transparent .nav a,
    .header.transparent .cart-icon {
        opacity: 0;
        pointer-events: none;
    }
}