/* productos.css - Diseño Premium y Moderno */

.productos-page {
    padding: 80px 72px;
    background: var(--bg2);
    min-height: calc(100vh - 72px);
    position: relative;
    z-index: 1;
}

/* Efecto de fondo sutil para darle riqueza a la página */
.productos-page::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(227, 6, 19, 0.03) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.productos-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 800px;
    margin-inline: auto;
}

.productos-header h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--black);
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    line-height: 1.1;
}

.productos-header p {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    color: var(--mid);
    line-height: 1.6;
}

/* Brands Carousel */
.brands-carousel-container {
    width: 100vw;
    overflow: hidden;
    padding: 40px 0;
    margin-bottom: 40px;
    margin-left: calc(-72px);
    margin-right: calc(-72px);
    position: relative;
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.brands-carousel-container::before,
.brands-carousel-container::after {
    content: "";
    height: 100%;
    position: absolute;
    width: 200px;
    z-index: 2;
    pointer-events: none;
}

.brands-carousel-container::before {
    left: 0;
    top: 0;
    background: linear-gradient(to right, #fff 0%, rgba(255, 255, 255, 0) 100%);
}

.brands-carousel-container::after {
    right: 0;
    top: 0;
    background: linear-gradient(to left, #fff 0%, rgba(255, 255, 255, 0) 100%);
}

.brands-carousel-track {
    display: flex;
    /* width and animation set dynamically by initBrandsCarousel() */
}

.brand-item {
    width: 250px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0 32px;
}

.brand-item img {
    width: 170px;
    height: 52px;
    object-fit: contain;
    object-position: center;
    filter: grayscale(100%) opacity(0.55);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.brand-item:hover img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.08);
}

@media (max-width: 768px) {
    .brands-carousel-container::before,
    .brands-carousel-container::after {
        width: 50px;
    }
}

/* Tabs Elegantes (Pills) */
.productos-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 28px;
    background: transparent;
    border: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--mid);
    cursor: pointer;
    transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px var(--border);
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--red);
    z-index: -1;
    transform: translateY(100%);
    transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50px;
}

.tab-btn:hover {
    color: var(--red);
    box-shadow: inset 0 0 0 1px var(--red);
}

.tab-btn.active {
    color: #fff;
    box-shadow: inset 0 0 0 1px var(--red);
}

.tab-btn.active::before {
    transform: translateY(0);
}

/* Filtro de Subcategorías */
.subcat-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.subcat-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all .25s ease;
    border: none;
    user-select: none;
}

.subcat-chip.selected {
    background: var(--black);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.subcat-chip.selected:hover {
    background: #333;
}

.subcat-chip.deselected {
    background: transparent;
    color: var(--mid);
    box-shadow: inset 0 0 0 1.5px var(--border);
}

.subcat-chip.deselected:hover {
    color: var(--black);
    box-shadow: inset 0 0 0 1.5px var(--black);
}

.subcat-chip-x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    font-size: 0.65rem;
    line-height: 1;
    transition: background .2s;
}

.subcat-chip.selected:hover .subcat-chip-x {
    background: rgba(255,255,255,0.4);
}

@media (max-width: 768px) {
    .subcat-chip { padding: 8px 14px; font-size: 0.65rem; }
}

/* Tarjetas Premium */
.subcat-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 32px;
    animation: slideUpFade 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
}

.subcat-grid.active {
    display: grid;
}

@keyframes slideUpFade {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

.subcat-card {
    background: #ffffff;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    border: 2px solid rgba(10, 10, 10, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    height: 400px;
}

.subcat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(10, 10, 10, 0.4);
}

.subcat-img-wrapper {
    width: 100%;
    height: 50%;
    background: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border);
    border-radius: 18px 18px 0 0;
}

.subcat-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(0.16, 1, 0.3, 1);
}

.subcat-card:hover .subcat-img-wrapper img {
    transform: scale(1.1);
}

.subcat-content {
    padding: 20px 24px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background: #fff;
    overflow: hidden;
}

.subcat-add-btn {
    width: 100%;
    padding: 12px;
    background: var(--black);
    color: #fff;
    border: none;
    border-radius: 0 0 18px 18px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background .2s;
    flex-shrink: 0;
}

.subcat-add-btn:hover {
    background: #333;
}

.subcat-title {
    color: var(--black);
    font-size: 1.1rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.3px;
    margin-bottom: 12px;
}


.subcat-desc {
    font-size: 0.8rem;
    color: var(--soft);
    font-weight: 500;
    width: 85%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* Modal Detalle Pulido */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 26, 26, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .4s ease;
    backdrop-filter: blur(8px);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #ffffff;
    padding: 48px;
    border-radius: 24px;
    width: 90%;
    max-width: 650px;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(30px) scale(0.98);
    transition: all .4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 40px 80px rgba(0,0,0,0.15);
    border: 1px solid rgba(255,255,255,0.2);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 28px;
    background: var(--bg2);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--mid);
    transition: all .2s;
}

.modal-close:hover {
    background: var(--red-light);
    color: var(--red);
    transform: rotate(90deg);
}

.modal-header-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.modal-icon {
    width: 72px;
    height: 72px;
    background: var(--red-light);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    border: 1px solid var(--red-mid);
}

.modal-title-group {
    display: flex;
    flex-direction: column;
}

.modal-category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--red);
    margin-bottom: 4px;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--black);
    letter-spacing: -0.5px;
}

.modal-desc {
    font-family: 'Inter', sans-serif;
    color: var(--mid);
    margin-bottom: 32px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.modal-section {
    margin-bottom: 32px;
}

.modal-section h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: 16px;
    letter-spacing: 1.5px;
}

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    padding: 10px 20px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--mid);
    border-radius: 12px;
    cursor: pointer;
    transition: all .2s;
    user-select: none;
}

.chip:hover {
    border-color: var(--black);
    color: var(--black);
}

.chip.selected {
    background: var(--black);
    border-color: var(--black);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Technical Sheet Styles */
.technical-sheet-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
    border-radius: 16px;
    border: 2px solid #ffe0e0;
    transition: all .3s ease;
}

.technical-sheet-container:hover {
    background: linear-gradient(135deg, #f0f0f0 0%, #f8f8f8 100%);
    border-color: var(--red);
    box-shadow: 0 8px 24px rgba(227, 6, 19, 0.1);
}

.technical-sheet-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.technical-sheet-header h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    margin: 0;
}

.technical-sheet-header p {
    color: var(--soft);
}

.btn-technical-sheet {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--red) 0%, #c10010 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all .3s ease;
    box-shadow: 0 4px 16px rgba(227, 6, 19, 0.3);
}

.btn-technical-sheet:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(227, 6, 19, 0.4);
    background: linear-gradient(135deg, #c10010 0%, var(--red) 100%);
}

.btn-technical-sheet:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(227, 6, 19, 0.3);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 40px;
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all .2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1ebc5a;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
}

@media (max-width: 768px) {
    .productos-page { padding: 60px 24px; }
    .brands-carousel-container { margin-left: -24px; margin-right: -24px; }
    .productos-header h1 { font-size: 2.2rem; }
    .tab-btn { padding: 12px 20px; font-size: 0.65rem; }
    .subcat-grid { grid-template-columns: 1fr; gap: 20px; }
    .modal-content { padding: 32px 24px; border-radius: 20px; }
    .modal-header-wrapper { flex-direction: column; align-items: flex-start; gap: 16px; }
    .modal-title { font-size: 1.5rem; }
    .btn-whatsapp { width: 100%; justify-content: center; }
}

/* Search Bar */
.search-bar-container {
    max-width: 600px;
    margin: 0 auto 24px;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}
.search-bar-inner {
    display: flex;
    align-items: center;
    background: #fff;
    border: 2px solid #e9ecef;
    border-radius: 50px;
    padding: 10px 20px;
    gap: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: border-color 0.2s;
}
.search-bar-inner:focus-within {
    border-color: var(--red, #e63946);
}
.search-bar-icon {
    color: #aaa;
    font-size: 1rem;
    flex-shrink: 0;
}
.search-bar-inner input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.95rem;
    background: transparent;
    color: #333;
    font-family: inherit;
}
.search-bar-clear {
    background: none;
    border: none;
    cursor: pointer;
    color: #aaa;
    font-size: 0.9rem;
    padding: 0;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    transition: color 0.2s;
}
.search-bar-clear:hover { color: #e63946; }