/* Catálogo de Productos - Estilos Principales */

/* Importar fuente Anton de Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

:root {
    --innovant: #ffffff;
    --innovant-dark: #f5f5f5;
    --innovant-light: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --black: #000000;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loader inicial */
.catalogo-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.catalogo-loader-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.catalogo-loader-content {
    text-align: center;
}

.catalogo-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--gray-200);
    border-top-color: #000000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.catalogo-loader-content p {
    font-family: 'Roboto', sans-serif;
    font-size: 1.2rem;
    color: #000000;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Contenedor principal */
.catalogo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: 'Roboto', sans-serif;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.catalogo-container.loaded {
    opacity: 1;
}


/* Categorías */
.catalogo-categorias {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 3px solid black;
    position: relative;
}

.catalogo-categorias::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 100px;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: black;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.categoria-item {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    overflow: hidden;
    background: #ffffff;
    box-shadow: var(--shadow);
    border: 3px solid black;
    position: relative;
}

.categoria-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: black;
}

.categoria-item.activa {
    border-color: #000000;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    transform: translateY(-6px) scale(1.02);
}

.categoria-item.activa::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* Difuminar categorías no activas cuando hay una seleccionada */
.catalogo-categorias.has-active .categoria-item:not(.activa) {
    opacity: 0.5;
    filter: grayscale(0.3);
}

.catalogo-categorias.has-active .categoria-item:not(.activa):hover {
    opacity: 0.8;
    filter: grayscale(0);
}

.categoria-imagen {
    position: relative;
    height: 400px;
    overflow: hidden;
    background: var(--innovant);
}

.categoria-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 0%;
    transition: var(--transition);
}

.categoria-item:hover .categoria-imagen img {
    transform: scale(1.05);
}

.imagen-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--innovant-light), var(--innovant));
    color: #000000;
    font-size: 2rem;
    font-weight: bold;
}

.categoria-nombre {
    padding: 1rem;
    text-align: center;
    background: #ffffff;
    position: relative;
    z-index: 2;
}

.categoria-nombre h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 400;
    color: black;
    transition: var(--transition);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.categoria-item.activa .categoria-nombre h3 {
    color: #000000;
}

/* Productos */
.catalogo-productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.catalogo-productos::before {
    content: 'PRODUCTOS';
    position: absolute;
    top: -2.5rem;
    left: 0;
    font-size: 1.3rem;
    font-weight: 400;
    color: #000000;
    letter-spacing: 0.15em;
}

.producto-item {
    background: #ffffff;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.producto-item:not(.hidden) {
    opacity: 0;
    animation: fadeInProduct 0.5s ease forwards;
}

@keyframes fadeInProduct {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.producto-item.hidden {
    display: none;
}

.producto-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Slider de productos */
.producto-slider {
    position: relative;
    height: 450px;
    overflow: hidden;
    background: var(--gray-100);
}

/* Indicador de múltiples imágenes - OCULTO */
.producto-slider[data-imagenes-multiple="true"]::after {
    display: none;
}
.slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    z-index: 1;
}

.slider-item.active {
    opacity: 1;
    z-index: 2;
}

/* Controles del slider */
.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 0.5rem;
    z-index: 3;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: auto;
}

.producto-slider:hover .slider-controls {
    opacity: 1;
}

.slider-prev,
.slider-next {
    background: rgba(255, 255, 255, 0.9);
    color: #000000;
    border: none;
    width: 2rem;
    height: 2rem;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 300;
    border-radius: 0 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(8px);
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255, 255, 255, 1);
    color: #000000;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.slider-prev:active,
.slider-next:active {
    transform: scale(0.95);
}

/* Puntos indicadores */
.slider-dots {
    position: absolute;
    bottom: 0.8rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 3;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
}

.dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.dot.active {
    background: #000000;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.15);
}

.imagen-contenedor {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.producto-imagen {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 0%;
    transition: var(--transition);
}

.producto-item:hover .producto-imagen {
    transform: scale(1.05);
}

/* Información del producto */
.producto-info {
    padding: 1.5rem;
    background: #ffffff;
}

.producto-nombre {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 400;
    color: black;
    line-height: 1.4;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.producto-referencia {
    margin: 0;
    font-size: 0.9rem;
    color: #666666;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* Estados de carga */
.catalogo-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--gray-500);
    grid-column: 1 / -1;
}

.catalogo-loading::after {
    content: '';
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--gray-200);
    border-top: 3px solid #000000;
    animation: spin 1s linear infinite;
    margin-left: 1rem;
}

/* Loader para lazy loading */
#loading-more {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2.5rem;
    font-size: 0.95rem;
    color: var(--gray-500);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
}

#loading-more.active {
    color: #000000;
}

#loading-more.active::after {
    content: '';
    display: inline-block;
    width: 1.2rem;
    height: 1.2rem;
    margin-left: 0.8rem;
    border: 3px solid var(--gray-200);
    border-top-color: #000000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mensaje de no resultados */
.catalogo-no-results {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .catalogo-container {
        padding: 1rem 0.5rem;
    }
    
    .catalogo-categorias {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .catalogo-productos {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .categoria-item {
        display: flex;
        flex-direction: column;
    }
    
    .categoria-item:hover {
        transform: translateY(-2px);
    }
    
    .categoria-item.activa {
        transform: translateY(-2px);
    }
    
    .categoria-imagen {
        height: 320px;
        flex: 1;
    }
    
    .categoria-nombre {
        padding: 0.6rem 0.5rem;
        flex-shrink: 0;
    }
    
    .categoria-nombre h3 {
        font-size: 0.9rem;
        line-height: 1.2;
    }
    
    .producto-slider {
        height: 450px;
    }
    
    .slider-prev,
    .slider-next {
        width: 1.8rem;
        height: 1.8rem;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .catalogo-categorias {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .categoria-item {
        display: flex;
        flex-direction: column;
    }
    
    .categoria-item:hover {
        transform: translateY(-2px);
    }
    
    .categoria-item.activa {
        transform: translateY(-2px);
    }
    
    .categoria-imagen {
        height: 180px;
        flex: 1;
    }
    
    .categoria-nombre {
        padding: 0.6rem 0.5rem;
        flex-shrink: 0;
    }
    
    .categoria-nombre h3 {
        font-size: 0.9rem;
        line-height: 1.2;
    }
    
    .catalogo-productos {
        grid-template-columns: 1fr;
    }
    
    .producto-slider {
        height: 450px;
    }
}

/* Utilidades */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

/* Animaciones suaves */
.catalogo-container * {
    transition: var(--transition);
}

/* Mejoras de accesibilidad */
.categoria-item:focus,
.producto-item:focus {
    outline: 2px solid var(--innovant);
    outline-offset: 2px;
}

.btn-nav:focus,
.cerrar-modal:focus {
    outline: 2px solid var(--innovant);
    outline-offset: 2px;
}

/* Tema oscuro (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1f2937;
        --gray-50: #111827;
        --gray-100: #1f2937;
        --gray-200: #374151;
        --gray-300: #4b5563;
        --gray-400: #6b7280;
        --gray-500: #9ca3af;
        --gray-600: #d1d5db;
        --gray-700: #e5e7eb;
        --gray-800: #f3f4f6;
        --gray-900: #f9fafb;
    }
}