/* Paleta Cromática de la Equipación Oficial */
        :root {
            --blanco-roto: #f4f3ef;      /* Color base de la camiseta (Off-white) */
            --burdeos: #6b1224;          /* Tono de la pasión y el vino clásico */
            --dorado: #c5a059;           /* El brillo del éxito y los manuscritos antiguos */
            --dorado-brillo: #e5c17c;
            --texto-oscuro: #1c1a17;     /* Color carbón vegetal */
            --fondo-pergamino: #eae5da;  /* Inspiración papel antiguo */
            --transicion: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* Estilos Generales con Temática de Manuscrito */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
            background-color: #0f0e0d;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(107, 18, 36, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(197, 160, 89, 0.1) 0%, transparent 50%);
            color: var(--blanco-roto);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            overflow-x: hidden;
            padding: 20px;
        }

        .sans {
            font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
        }

        header {
            text-align: center;
            margin-top: 30px;
            margin-bottom: 40px;
            max-width: 800px;
            animation: fadeInDown 1s ease-out;
        }

        header h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            color: var(--blanco-roto);
            letter-spacing: -1px;
            margin-bottom: 10px;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        header h1 span {
            color: var(--dorado);
            font-style: italic;
        }

        header p {
            font-size: clamp(0.95rem, 2vw, 1.15rem);
            color: #b0a89d;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Contenedor Principal */
        .showcase-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 1100px;
            width: 100%;
            margin-bottom: 50px;
            animation: fadeIn 1.2s ease-out;
        }

        @media (min-width: 900px) {
            .showcase-container {
                grid-template-columns: 1.2fr 1fr;
                align-items: start;
            }
        }

        /* --- VISUALIZADOR DE LA CAMISETA --- */
        .jersey-viewer {
            background: radial-gradient(circle, #221c1a 0%, #130f0e 100%);
            border: 1px solid rgba(197, 160, 89, 0.25);
            border-radius: 28px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
            width: 100%;
        }

        /* Brillo de Fondo */
        .jersey-viewer::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(107, 18, 36, 0.25) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        /* Contenedor del Jersey */
        .jersey-container {
            width: 100%;
            max-width: 380px;
            height: 420px;
            position: relative;
            z-index: 1;
        }

        /* Capas frontal y trasera */
        .jersey-view {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transform: scale(0.95);
            transition: opacity 0.45s cubic-bezier(0.25, 1, 0.5, 1), transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
            pointer-events: none;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .jersey-view.active {
            opacity: 1;
            transform: scale(1);
            pointer-events: auto;
        }

        /* SVG del Jersey */
        .jersey-svg {
            width: 100%;
            height: 100%;
            max-height: 400px;
            filter: drop-shadow(0 15px 30px rgba(0,0,0,0.7));
        }

        /* Controles de Vista */
        .view-controls {
            display: flex;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px;
            border-radius: 50px;
            margin-top: 25px;
            z-index: 2;
        }

        .btn-view {
            background: none;
            border: none;
            color: #b0a89d;
            padding: 10px 24px;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 1px;
            transition: var(--transicion);
        }

        .btn-view.active {
            background-color: var(--burdeos);
            color: var(--blanco-roto);
            box-shadow: 0 4px 15px rgba(107, 18, 36, 0.4);
            border: 1px solid var(--dorado);
        }

        /* --- SECCIÓN DE PERSONALIZACIÓN --- */
        .customizer-panel {
            background-color: #171513;
            border: 1px solid rgba(197, 160, 89, 0.15);
            border-radius: 28px;
            padding: 40px 30px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }

        .panel-title {
            color: var(--dorado);
            font-size: 1.8rem;
            margin-bottom: 10px;
            border-bottom: 2px solid rgba(197, 160, 89, 0.1);
            padding-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .panel-title svg {
            fill: var(--dorado);
        }

        .description-text {
            font-size: 0.95rem;
            line-height: 1.6;
            color: #c0b9af;
            margin-bottom: 25px;
        }

        /* Inputs Modernos */
        .input-group {
            margin-bottom: 20px;
        }

        .input-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--dorado);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .input-style {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(197, 160, 89, 0.25);
            padding: 14px 18px;
            border-radius: 12px;
            color: var(--blanco-roto);
            font-size: 1rem;
            transition: var(--transicion);
        }

        .input-style:focus {
            outline: none;
            border-color: var(--dorado-brillo);
            background-color: rgba(255, 255, 255, 0.06);
            box-shadow: 0 0 10px rgba(197, 160, 89, 0.15);
        }

        /* Caja de Detalles del Kit */
        .kit-specs {
            background-color: rgba(107, 18, 36, 0.1);
            border-left: 4px solid var(--burdeos);
            padding: 20px;
            border-radius: 0 16px 16px 0;
            margin-top: 30px;
        }

        .kit-specs h4 {
            color: var(--blanco-roto);
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .kit-specs p {
            font-size: 0.9rem;
            color: #bfaea8;
            line-height: 1.5;
        }

        /* Características Interactivas */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 25px;
        }

        .feature-item {
            background-color: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 16px;
            text-align: center;
            cursor: pointer;
            transition: var(--transicion);
        }

        .feature-item:hover {
            background-color: rgba(107, 18, 36, 0.15);
            border-color: var(--dorado);
            transform: translateY(-3px);
        }

        .feature-icon {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .feature-item h5 {
            color: var(--dorado);
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .feature-item p {
            font-size: 0.8rem;
            color: #a0988e;
            line-height: 1.4;
        }

        /* Mensajes de Alerta/Explicación Dinámica */
        .info-bubble {
            background-color: var(--blanco-roto);
            color: var(--texto-oscuro);
            padding: 15px;
            border-radius: 16px;
            margin-top: 20px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border: 2px solid var(--dorado);
            transform: scale(0.95);
            opacity: 0;
            transition: var(--transicion);
            pointer-events: none;
            position: absolute;
            bottom: -90px;
            width: 90%;
            z-index: 10;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .info-bubble.active {
            transform: scale(1);
            opacity: 1;
            pointer-events: auto;
        }

        /* Animaciones */
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }