/* ================================================================
   UTILITIES - Volver arriba, Accesibilidad, Media queries
   ================================================================ */

/* ── Botón volver arriba ────────────────────────── */
.btn-volver-arriba {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1020;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-volver-arriba.visible {
    opacity: 1;
    visibility: visible;
}
.btn-volver-arriba:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ── Carousel dots accesibles ───────────────────── */
.carousel-dot:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ── Media queries globales ──────────────────────── */
@media (max-width: 992px) {
    .store-carousel-container { height: 300px; }
}

@media (max-width: 768px) {
    .btn-dark, .btn-outline-dark {
        padding: 12px 18px !important;
        font-size: 0.95rem !important;
    }
    .btn-volver-arriba {
        bottom: 90px;
        right: 16px;
    }
    .hero-logo { width: 100px; height: 100px; }
    .hero-brand { font-size: 1.4rem; }
    .hero-bio { font-size: 0.85rem; }
    .hero-social-proof { gap: 0.5rem; font-size: 0.75rem; }
    .btn-linktree { padding: 14px 16px; font-size: 0.9rem; }
    .linktree-header { padding: 0.75rem 1rem; }
    .store-carousel-container { height: 250px; }
    .store-carousel-arrow { width: 38px; height: 38px; font-size: 1.2rem; }
    .store-products-grid { gap: 1rem; }
    .store-product-image { height: 150px; }
    .store-product-info { padding: 0.6rem; }
    .store-product-name { font-size: 0.8rem; }
    .store-product-price { font-size: 0.85rem; }
}

/* ── Desktop ─────────────────────────────────────── */
@media (min-width: 992px) {
    .store-carousel-section {
        max-width: 800px;
        margin: 0 auto;
    }
    .store-carousel-container {
        height: 350px;
        max-height: 400px;
    }
    .store-products-section {
        max-width: 900px;
        margin: 0 auto;
    }
    .store-products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}