@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-red: #E31C23;
    --dark-red: #B71C1C;
    --black: #000000;
    --dark-gray: #1A1A1A;
    --text-gray: #666666;
    --border-gray: #E0E0E0;
    --bg-gray: #FAFAFA;
    --white: #FFFFFF;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-gray);
    color: var(--dark-gray);
    overflow-x: hidden;
    font-size: 14px;
    line-height: 1.5;
}

/* ==================== HERO SECTION ==================== */
.hero-banner {
    background: linear-gradient(135deg, #000 0%, #1A1A1A 50%, #E31C23 100%);
    padding: 30px 0;
    position: relative;
    overflow: visible;
    z-index: 100;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(227, 28, 35, 0.08) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.05); opacity: 0.6; }
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 2;
}

.text-hf-red {
    color: var(--primary-red);
    text-shadow: 0 0 20px rgba(227, 28, 35, 0.6);
}

.hero-subtitle {
    font-size: 1rem;
    color: #CCC;
    font-weight: 400;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.search-box-hero {
    position: relative;
    background: var(--white);
    border-radius: 50px;
    padding: 5px;
    display: flex;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 750px;
    z-index: 2;
}

.form-control-hero {
    border: none;
    padding: 12px 20px;
    font-size: 0.9rem;
    flex: 1;
    border-radius: 50px;
    background: transparent;
}

.form-control-hero:focus {
    outline: none;
}

.form-control-hero::placeholder {
    color: #999;
}

.btn-search-hero {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.btn-search-hero:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(227, 28, 35, 0.6);
}

/* ==================== CONTAINER MARGINS ==================== */
.container-fluid {
    max-width: 1400px;
    padding-left: 20px;
    padding-right: 20px;
    margin: 0 auto;
}

/* ==================== BANNERS ==================== */
.banner-section {
    margin-top: 18px;
    margin-bottom: 6px;
}

.banner-carousel .carousel-inner {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.banner-carousel .carousel-item img {
    display: block;
    width: 100%;
    height: auto;
}

.banner-carousel .carousel-control-prev,
.banner-carousel .carousel-control-next {
    opacity: 0.85;
    background: rgba(0, 0, 0, 0.45);
}

.banner-carousel .carousel-control-prev:hover,
.banner-carousel .carousel-control-next:hover {
    background: rgba(0, 0, 0, 0.65);
    opacity: 1;
}

.banner-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.banner-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.banner-item img {
    width: 100%;
    height: auto;
    display: block;
}

@media (min-width: 1200px) {
    .container-fluid {
        padding-left: 40px;
        padding-right: 40px;
    }
}

@media (min-width: 768px) {
    .banner-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767.98px) {
    .banner-grid {
        display: none;
    }
}

/* ==================== FILTERS SIDEBAR ==================== */
#filter-toggle {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border: none;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(227, 28, 35, 0.25);
    transition: all 0.3s ease;
}

#filter-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(227, 28, 35, 0.35);
}

.filters-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    position: sticky;
    top: 20px;
}

.filters-card .card-header {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    border: none;
    padding: 16px 20px;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.filters-card .card-header h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.filters-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1.2rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.filters-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.filters-card .card-body {
    padding: 20px;
}

.form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
}

.form-label i {
    color: var(--primary-red);
    margin-right: 6px;
    font-size: 0.9rem;
}

.form-select,
.form-control {
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background: var(--white);
}

.form-select:focus,
.form-control:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(227, 28, 35, 0.08);
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border: none;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(227, 28, 35, 0.3);
}

.btn-secondary {
    background: var(--white);
    border: 1px solid var(--black);
    color: var(--black);
    padding: 12px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.btn-secondary:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-2px);
}

/* ==================== PRODUCT CARDS - MINIMALISTA ==================== */
.product-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-red);
}

/* Badge stock/origen */
.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    z-index: 10;
    letter-spacing: 0.5px;
}

.product-badge.china {
    background: rgba(220, 38, 38, 0.9);
}

.product-badge.corea {
    background: rgba(37, 99, 235, 0.9);
}

/* Imagen del producto */
.product-card .card-img-top {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform 0.35s ease;
    background: #F9F9F9;
}

.product-card:hover .card-img-top {
    transform: scale(1.05);
}

/* Cuerpo de la card */
.product-card .card-body {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Categoría superior */
.product-category {
    font-size: 0.7rem;
    color: var(--primary-red);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 6px;
}

/* Título del producto */
.product-card .card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.6em;
}

/* Detalles del producto */
.product-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
    font-size: 0.8rem;
    color: var(--text-gray);
}

.product-detail-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-detail-item i {
    color: var(--text-gray);
    font-size: 0.75rem;
    width: 14px;
}

/* Precio */
.product-price-section {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #F0F0F0;
}

.product-card .price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark-gray);
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 0;
}

.product-card .price .text-danger {
    color: var(--primary-red) !important;
}

.product-card .price s {
    font-size: 1rem;
    font-weight: 500;
    color: #999;
}

/* Footer de la card */
.product-card .card-footer {
    background: transparent;
    border: none;
    padding: 0 16px 16px;
}

.product-card .card-footer .btn {
    width: 100%;
    padding: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
}

.btn-outline-primary {
    border: 1px solid var(--primary-red);
    color: var(--primary-red);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(227, 28, 35, 0.25);
}

/* ==================== CAROUSELS ==================== */
.carousel-control-prev,
.carousel-control-next {
    width: 40px;
    height: 40px;
    background: var(--black);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 0.8;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: var(--primary-red);
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 16px;
    height: 16px;
}

.carousel-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 12px;
    margin-top: 18px;
    position: relative;
    padding: 6px 14px 6px 22px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(90deg, rgba(227, 28, 35, 0.12) 0%, rgba(227, 28, 35, 0.02) 100%);
    border: 1px solid rgba(227, 28, 35, 0.15);
    border-radius: 999px;
}

.carousel-title::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    width: 6px;
    height: 6px;
    transform: translateY(-50%);
    background: linear-gradient(180deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(227, 28, 35, 0.12);
}

/* ==================== SEARCH SUGGESTIONS ==================== */
#search-suggestions {
    background: var(--white);
    border: 1px solid var(--border-gray);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
    border-radius: 16px;
    margin-top: 0;
    overflow: hidden;
    max-height: 400px;
    overflow-y: auto;
    z-index: 12000;
    position: absolute;
    width: 100%;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
}

#search-suggestions .list-group-item {
    border: none;
    border-bottom: 1px solid #F0F0F0;
    padding: 14px 18px;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

#search-suggestions .list-group-item:last-child {
    border-bottom: none;
}

#search-suggestions .list-group-item:hover {
    background: var(--bg-gray);
    padding-left: 22px;
}

#search-suggestions .list-group-item img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 14px;
    border: 1px solid var(--border-gray);
}

#search-suggestions .list-group-item span {
    flex: 1;
    font-weight: 500;
}

/* ==================== PAGINATION ==================== */
.pagination {
    margin-top: 30px;
}

.page-item .page-link {
    border: 1px solid var(--border-gray);
    color: var(--dark-gray);
    padding: 8px 14px;
    margin: 0 3px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border-color: var(--primary-red);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(227, 28, 35, 0.25);
}

.page-item .page-link:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--white);
}

/* ==================== PRODUCT COUNT ==================== */
#product-count {
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark-gray);
}

#sort {
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 8px 14px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

#sort:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(227, 28, 35, 0.08);
    outline: none;
}

/* ==================== LOADING SPINNER ==================== */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--border-gray);
    border-right-color: var(--primary-red);
}

/* ==================== MOBILE RESPONSIVE ==================== */
@media (max-width: 991px) {
    .filters-card {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        z-index: 9999;
        border-radius: 0;
        animation: slideIn 0.3s ease;
        overflow-y: auto;
    }

    .filters-card.show-mobile {
        display: block;
    }

    @keyframes slideIn {
        from { transform: translateX(-100%); }
        to { transform: translateX(0); }
    }

    .hero-title {
        font-size: 1.6rem;
        text-align: center;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        text-align: center;
    }

    .hero-banner {
        padding: 25px 0;
    }

    .hero-banner .col-lg-5 {
        text-align: center;
    }

    .search-box-hero {
        max-width: 100%;
    }

    .container-fluid {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.4rem;
    }

    .product-card .card-img-top {
        height: auto;
    }

    .btn-search-hero {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .product-card .price {
        font-size: 1.15rem;
    }

    .carousel-title {
        font-size: 0.85rem;
        padding: 5px 12px 5px 20px;
    }
}

/* ==================== CAROUSEL MULTI-ITEM ==================== */
.carousel-col {
    padding: 0 10px;
}

.product-carousel .carousel-inner .carousel-item.active,
.product-carousel .carousel-inner .carousel-item-next,
.product-carousel .carousel-inner .carousel-item-prev {
    display: flex;
}

.product-carousel .carousel-inner .carousel-item > .carousel-col {
    flex: 0 0 50%;
    max-width: 50%;
}

.product-carousel .carousel-inner .carousel-item-end.active,
.product-carousel .carousel-inner .carousel-item-next {
    transform: translateX(50%);
}

.product-carousel .carousel-inner .carousel-item-start.active,
.product-carousel .carousel-inner .carousel-item-prev {
    transform: translateX(-50%);
}

@media (min-width: 1200px) {
    .product-carousel .carousel-inner .carousel-item > .carousel-col {
        flex: 0 0 20%;
        max-width: 20%;
    }

    .product-carousel .carousel-inner .carousel-item-end.active,
    .product-carousel .carousel-inner .carousel-item-next {
        transform: translateX(20%);
    }
    .product-carousel .carousel-inner .carousel-item-start.active,
    .product-carousel .carousel-inner .carousel-item-prev {
        transform: translateX(-20%);
    }
}

.product-carousel .carousel-inner .carousel-item-end,
.product-carousel .carousel-inner .carousel-item-start {
    transform: translateX(0);
}

/* ==================== SMOOTH ANIMATIONS ==================== */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

::selection {
    background: var(--primary-red);
    color: var(--white);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gray);
}

::-webkit-scrollbar-thumb {
    background: #CCC;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-red);
}