/* =========================================
   CATÁLOGO DE PRODUCTOS - ESTILOS
   ========================================= */

:root {
    --azul-arias: #0000FF; /* Azul Puro Solicitado */
    --azul-dark: #00008B;
    --glass: rgba(255, 255, 255, 0.8);
    --bg-frio: #f0f2f5;
    --blanco: #ffffff;
    --transicion: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body.catalogo-page {
    background: radial-gradient(circle at top right, #e6e6ff, #f0f2f5);
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* --- Contenedor Principal --- */
.catalogo-page .main-content .container-fluid {
    max-width: 1600px;
    padding: 40px 20px;
}

/* --- Cabecera: Título y Subtítulo --- */
.header-catalogo {
    text-align: center;
    margin-bottom: 50px;
}

.titulo-principal {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
    position: relative;
    padding-bottom: 25px;
    display: inline-block;
    /* Efecto degradado azul */
    background: linear-gradient(to right, var(--azul-arias), var(--azul-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Estilo para: Encuentra las mejores refacciones... */
.subtitulo-catalogo {
    color: var(--azul-arias);
    font-weight: 700;
    font-size: 1.2rem;
    margin-top: 15px;
    display: block;
    text-align: center;
}

/* --- Botones de Marca (Filtros Superiores) --- */
.brand-button {
    cursor: pointer;
    background: var(--blanco);
    border: none;
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    font-weight: 800;
    color: #888;
    transition: var(--transicion);
    box-shadow: 8px 8px 16px #d1d9e6, -8px -8px 16px #ffffff;
    text-transform: uppercase;
}

.brand-button:hover {
    color: var(--azul-arias);
    transform: translateY(-5px);
}

.brand-button.active {
    box-shadow: inset 5px 5px 10px #b8b9be, inset -5px -5px 10px #ffffff;
    color: var(--azul-arias);
    transform: scale(0.95);
}

/* --- Chips de Categoría --- */
.btn-categoria {
    border: none;
    background: #fff;
    color: #555;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: 0.3s;
    text-transform: capitalize;
    margin: 5px;
}

.btn-categoria.active {
    background: var(--azul-arias) !important;
    color: white !important;
    box-shadow: 0 8px 15px rgba(0, 0, 255, 0.3);
}

/* --- Tarjetas de Producto --- */
.product-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 25px;
    padding: 20px;
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.product-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 40px rgba(0, 0, 255, 0.1);
}

.product-img-box {
    background: linear-gradient(135deg, #eef2f7 0%, #d1d9e6 100%);
    border-radius: 20px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    color: var(--azul-arias);
}

.product-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.price-text {
    font-size: 1.6rem;
    font-weight: 900;
    color: #1a1a1a;
    margin: 10px 0;
}

/* --- Botón AGREGAR AL CARRITO --- */
.btn-agregar {
    background: var(--azul-arias);
    border: 2px solid var(--azul-arias);
    border-radius: 12px;
    padding: 14px;
    font-weight: 800;
    width: 100%;
    color: white;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: 0.3s;
    margin-top: auto; 
    cursor: pointer;
}

.btn-agregar:hover {
    background: transparent;
    color: var(--azul-arias);
    box-shadow: 0 8px 16px rgba(0, 0, 255, 0.1);
}

/* Título de Sección (Marca/Categoría seleccionada) */
.titulo-marca-categoria {
    color: #1a1a1a;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 1.6rem;
    margin: 30px 0 20px;
    font-weight: 800;
}

/* --- Ajustes Responsive --- */
@media (max-width: 768px) {
    .titulo-principal { font-size: 2rem; }
    .subtitulo-catalogo { font-size: 1rem; padding: 0 10px; }
    .brand-button { padding: 15px; font-size: 0.9rem; }
    .product-card { padding: 15px; }
}