:root {
            --primario: #2563eb;
            --oscuro: #1e293b;
            --claro: #f8fafc;
            --texto: #334155;
            --blanco: #ffffff;
            --sombra: 0 4px 6px -1px rgba(0,0,0,0.1);
            --verde: #22c55e;
            --rojo: #ef4444;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html, body { overflow-x: hidden; width: 100%; font-family: 'Inter', sans-serif; background-color: var(--claro); color: var(--texto); line-height: 1.6; scroll-behavior: smooth; }
        
        /* HEADER */
        .encabezado {
            display: flex; justify-content: space-between; align-items: center;
            background: #ffffff; padding: 0 5%; position: fixed; width: 100%; height: 70px; top: 0; z-index: 1000;
            box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1);
        }
        .logo { color: var(--primario); font-size: 1.4rem; font-weight: 700; text-decoration: none; }
        
        .header-cart-center { position: relative; cursor: pointer; padding: 10px; }
        .header-cart-center i { font-size: 1.5rem; color: var(--oscuro); }
        .cart-badge {
            position: absolute; top: 0; right: 0;
            background: var(--rojo); color: white; font-size: 0.7rem;
            padding: 2px 6px; border-radius: 50%; font-weight: 800; display: none;
        }

        .menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--oscuro); }
        .nav-links { display: flex; gap: 1.5rem; }
        .nav-links a { color: var(--oscuro); text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: 0.3s; }
        .nav-links a:hover { color: var(--primario); }

        /* SLIDER */
        #inicio { height: 100vh; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; text-align: center; color: white; background-color: #000; }
        .slide-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.5s ease-in-out; }
        .slide-bg.active { opacity: 1; }
        .slide-bg::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); }
        .hero-content { position: relative; z-index: 10; padding: 0 20px; }
        .hero-content h1 { font-size: clamp(2rem, 8vw, 3.5rem); font-weight: 800; margin-bottom: 10px; }

        /* TIENDA */
        #tienda { padding: 90px 10px 40px; min-height: 100vh; }
        .search-container { max-width: 600px; margin: 0 auto 25px; position: relative; }
        #buscador { width: 100%; padding: 14px 45px 14px 25px; border-radius: 50px; border: 2px solid #e2e8f0; outline: none; transition: 0.3s; }
        #buscador:focus { border-color: var(--primario); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
        
        #btn-limpiar-busqueda {
            display: none; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
            cursor: pointer; color: #94a3b8; font-size: 1.2rem; font-weight: bold;
        }

        .filtros-logos { display: flex; overflow-x: auto; gap: 15px; padding: 10px 5px; max-width: 1200px; margin: 0 auto; scrollbar-width: none; }
        .filtros-logos::-webkit-scrollbar { display: none; }
        
        .logo-item { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; cursor: pointer; transition: 0.3s; width: 80px; }
        .logo-circulo { width: 60px; height: 60px; border-radius: 50%; background: white; display: flex; align-items: center; justify-content: center; border: 2px solid #e2e8f0; overflow: hidden; filter: grayscale(100%); opacity: 0.7; }
        .logo-circulo img { width: 75%; height: 75%; object-fit: contain; }
        .logo-item.active .logo-circulo { filter: grayscale(0%); opacity: 1; border-color: var(--primario); border-width: 3px; transform: translateY(-3px); }
        .logo-nombre { font-size: 0.7rem; font-weight: 700; margin-top: 8px; text-transform: uppercase; }

        .contenedor-niveles { display: none; justify-content: center; gap: 8px; margin: 20px 0; flex-wrap: wrap; }
        .btn-nivel { padding: 8px 16px; border: 2px solid #e2e8f0; background: white; border-radius: 20px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: 0.2s; }
        .btn-nivel.active { background: var(--primario); border-color: var(--primario); color: white; }

        /* CATALOGO */
        .catalogo { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px; max-width: 1200px; margin: 0 auto; padding: 10px; }
        .card-producto { background: white; border-radius: 15px; padding: 12px; box-shadow: var(--sombra); position: relative; transition: transform 0.2s; border: 1px solid #f1f5f9; }
        .card-producto:hover { transform: translateY(-5px); }
        .card-producto img { width: 100%; height: 40%; border-radius: 10px; margin-bottom: 10px; }
        
        .qty-indicator { position: absolute; top: 10px; right: 10px; background: var(--verde); color: white; min-width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 0.75rem; font-weight: 800; z-index: 5; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }

        .producto-titulo { font-size: 0.85rem; font-weight: 600; height: 2.4rem; overflow: hidden; margin: 5px 0; color: var(--oscuro); }
        .btn-agregar-card { background: var(--primario); color: white; border: none; width: 100%; padding: 10px; border-radius: 8px; cursor: pointer; font-weight: 700; font-size: 0.75rem; margin-top: 10px; transition: 0.2s; }
        .btn-agregar-card:active { transform: scale(0.95); }

        /* CARRITO SECTION */
        #seccion-carrito { padding: 40px 15px; max-width: 700px; margin: 0 auto; display: none; }
        .carrito-tabla { background: white; border-radius: 20px; padding: 20px; box-shadow: var(--sombra); }
        .item-carrito { display: flex; flex-direction: column; padding: 15px 0; border-bottom: 1px solid #f1f5f9; }
        .item-carrito-nombre { font-weight: 700; color: var(--oscuro); }
        .item-carrito-precio { font-size: 0.85rem; color: #64748b; margin-bottom: 10px; }
        .item-carrito-controles { display: flex; align-items: center; gap: 12px; }
        .btn-accion { width: 35px; height: 35px; border-radius: 10px; border: none; background: #f1f5f9; cursor: pointer; font-weight: 800; font-size: 1.1rem; }
        .btn-eliminar { margin-left: auto; color: var(--rojo); padding: 5px; cursor: pointer; background: none; border: none; font-size: 1.1rem; }

        /* MODAL */
        .modal { display:none; position:fixed; z-index:9000; left:0; top:0; width:100%; height:100%; background:rgba(0,0,0,0.8); align-items:center; justify-content:center; padding: 15px; }
        .modal-content { background:white; width:100%; max-width:500px; border-radius:20px; position:relative; overflow:hidden; }
        .close-btn { position:absolute; right:20px; top:15px; font-size:2rem; cursor:pointer; z-index:10; }
        .modal-info { padding: 25px; }
		
		
		/* section de inicio */
	.slide-text {
    display: none; /* Ocultos por defecto */
    animation: fadeInUp 0.8s ease-out;
}

.slide-text.active {
    display: block; /* Solo se muestra el activo */
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content h1 {
    letter-spacing: -1px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}
	
	</style>
    
    <style>
	/* Estado base de los logos */
.logo-item { 
    flex: 0 0 auto; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    cursor: pointer; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Efecto elástico */
    width: 80px; 
}

.logo-circulo { 
    width: 60px; 
    height: 60px; 
    border-radius: 50%; 
    background: white; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border: 2px solid #e2e8f0; 
    overflow: hidden; 
    filter: grayscale(100%); 
    opacity: 0.7; 
    transition: all 0.3s ease; /* Transición suave para el filtro */
    box-shadow: 0 0 0 rgba(37, 99, 235, 0); /* Sombra invisible al inicio */
}

/* EFECTO HOVER: Cuando pasas el mouse */
.logo-item:hover .logo-circulo {
    filter: grayscale(0%); /* Recupera el color original */
    opacity: 1;
    border-color: var(--primario);
    transform: scale(1.15) rotate(5deg); /* Crece un poquito y gira levemente */
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2); /* Resplandor azul suave */
}

.logo-item:hover .logo-nombre {
    color: var(--primario);
    transform: translateY(2px);
    transition: 0.3s;
}

/* Mantener el estado activo (cuando está seleccionado) */
.logo-item.active .logo-circulo { 
    filter: grayscale(0%); 
    opacity: 1; 
    border-color: var(--primario); 
    border-width: 3px; 
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}
	
		
		
		

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links { position: fixed; top: 70px; left: -100%; width: 100%; height: calc(100vh - 70px); background: white; flex-direction: column; align-items: center; padding-top: 40px; transition: 0.4s; z-index: 999; }
            .nav-links.active { left: 0; }
            .catalogo { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        }

        @media (max-width: 400px) {
            .catalogo { grid-template-columns: 1fr; }
            .logo-item { width: 70px; }
            .logo-circulo { width: 50px; height: 50px; }
            .encabezado { padding: 0 15px; }
            .logo { font-size: 1.1rem; }
            .cart-badge { position: absolute; top: -5px; right: -5px; background: var(--rojo); color: white; font-size: 0.7rem; padding: 2px 6px; border-radius: 50%; font-weight: 800; display: none; line-height: 1; }
        }