/* Reset y Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #00d4ff;
    --color-secondary: #0099cc;
    --color-success: #00ff88;
    --color-danger: #ff4444;
    --color-bg: #000000;
    --color-bg-card: #0a0a0a;
    --color-bg-elevated: #1a1a1a;
    --color-text: #ffffff;
    --color-text-secondary: #999999;
    --border-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--color-bg-card);
    color: var(--color-text);
    padding: 40px 0;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.3));
}

.tagline {
    font-size: 1rem;
    opacity: 0.7;
    color: var(--color-text-secondary);
}

/* Banner Descuento */
.banner-descuento {
    background: linear-gradient(135deg, #0099cc, #00d4ff);
    color: var(--color-text);
    padding: 25px 0;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.banner-descuento h1,
.banner-descuento h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

/* Carrito Flotante */
.carrito-flotante {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    background: none;
    border: none;
    cursor: pointer;
}

.carrito-icono {
    background: linear-gradient(135deg, var(--color-success), #00cc66);
    color: var(--color-bg);
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 6px 24px rgba(0, 255, 136, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carrito-icono:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(0, 255, 136, 0.6);
}

#carritoCount {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--color-danger);
    color: white;
    font-size: 0.8rem;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Secciones */
.productos-destacados,
.productos-individuales {
    padding: 50px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--color-text);
    font-weight: 700;
}

.category-title {
    font-size: 1.4rem;
    margin: 50px 0 30px 0;
    color: var(--color-text);
    font-weight: 600;
}

/* Grid Productos */
.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Card Producto */
.producto-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.producto-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.3);
}

.producto-card.destacado {
    border: 2px solid var(--color-success);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.2);
}

.producto-imagen {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background: var(--color-bg-elevated);
    position: relative;
}

.badge-pack {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.producto-card.sin-stock {
    opacity: 0.7;
}

.producto-card.sin-stock .producto-imagen {
    filter: grayscale(80%);
}

.producto-info {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.producto-nombre {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
    min-height: 50px;
    display: flex;
    align-items: center;
}

.producto-stock {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0 0 10px 0;
    opacity: 0.7;
    font-weight: 500;
}

.producto-descripcion {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 18px;
    min-height: 60px;
    line-height: 1.6;
    flex-grow: 1;
}

.badge-envio-gratis {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-success), #00cc66);
    color: var(--color-bg);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.precios {
    margin: 15px 0;
    margin-top: auto;
}

.precio-tachado {
    text-decoration: line-through;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.precio-actual {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin: 5px 0;
}

.ahorro {
    color: var(--color-success);
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-agregar {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-agregar:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-sin-stock {
    background: linear-gradient(135deg, var(--color-danger), #cc0000) !important;
    color: white !important;
    cursor: not-allowed !important;
    opacity: 1 !important;
}

.btn-sin-stock:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.85);
    overflow-y: auto;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--color-bg-card);
    margin: 50px auto;
    padding: 35px;
    border-radius: var(--border-radius);
    max-width: 600px;
    position: relative;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.2);
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-content h2 {
    color: var(--color-text);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.resumen-pedido {
    background: var(--color-bg-elevated);
    padding: 24px;
    border-radius: var(--border-radius);
    margin: 25px 0;
    border: 1px solid rgba(255,255,255,0.05);
}

.resumen-pedido h3 {
    margin-bottom: 18px;
    color: var(--color-text);
}

.item-resumen {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
    border-radius: 8px;
    color: var(--color-text);
}

.item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.item-nombre {
    flex: 1;
    color: var(--color-text);
    font-weight: 500;
}

.item-cantidad {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.btn-eliminar {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 5px;
    opacity: 0.7;
    transition: all 0.2s ease;
    line-height: 1;
}

.btn-eliminar:hover {
    opacity: 1;
    transform: scale(1.2);
}

.input-cantidad {
    width: 70px;
    padding: 8px;
    background: var(--color-bg-elevated);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    font-size: 1rem;
    text-align: center;
    transition: border-color 0.3s ease;
}

.input-cantidad:focus {
    outline: none;
    border-color: var(--color-primary);
}

.input-cantidad::-webkit-inner-spin-button,
.input-cantidad::-webkit-outer-spin-button {
    opacity: 1;
}

.item-precio {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.1rem;
    min-width: 100px;
    text-align: right;
}

/* Pack Personalizado en Carrito */
.pack-personalizado-item {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(0, 212, 255, 0.05));
    border: 2px solid rgba(0, 255, 136, 0.2);
    position: relative;
}

.pack-personalizado-item::before {
    content: "PACK";
    position: absolute;
    top: -10px;
    left: 15px;
    background: linear-gradient(135deg, var(--color-success), #00cc66);
    color: var(--color-bg);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
}

.pack-info-completa {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pack-titulo {
    font-weight: 700;
    color: var(--color-success);
}

.pack-detalle-expandible {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-left: 15px;
    padding: 8px 0;
}

.pack-producto-item {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.pack-beneficios {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 8px;
}

.pack-descuento-info {
    font-size: 0.8rem;
    color: var(--color-success);
    font-weight: 600;
}

/* Pack Pre-armado en Carrito */
.pack-prearmado-item {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(138, 43, 226, 0.05));
    border: 2px solid rgba(0, 212, 255, 0.2);
    position: relative;
}

.pack-prearmado-item::before {
    content: "PACK";
    position: absolute;
    top: -10px;
    left: 15px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
}

.pack-envio-gratis-info {
    font-size: 0.8rem;
    color: var(--color-success);
    font-weight: 600;
}

.pack-precio {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-success);
}

/* Items de Envío */
.item-envio-gratis {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 255, 0.1));
    border: 2px solid rgba(0, 255, 136, 0.3);
}

.item-envio-gratis .item-nombre {
    color: var(--color-success);
    font-weight: 700;
}

.item-envio-gratis .item-precio {
    color: var(--color-success);
    font-weight: 700;
}

.item-envio-pago {
    background: rgba(0, 212, 255, 0.05);
    border: 2px solid rgba(0, 212, 255, 0.2);
}

.item-envio-pago .item-nombre {
    color: var(--color-primary);
    font-weight: 600;
}

.item-info-envio {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0 10px;
}

.totales {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 2px solid rgba(0, 212, 255, 0.2);
}

.total-linea {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--color-text);
}

.total-final {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 2px solid var(--color-primary);
}

.btn-whatsapp {
    width: 100%;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* Armá tu Pack */
.arma-tu-pack {
    padding: 60px 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pack-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin: -20px 0 40px 0;
}

.pack-builder {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.productos-selector {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.producto-selector-item {
    background: var(--color-bg-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.producto-selector-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow);
}

.producto-selector-item.sin-stock {
    opacity: 0.5;
    filter: grayscale(100%);
}

.producto-selector-imagen {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    background: var(--color-bg-elevated);
}

.producto-selector-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.producto-selector-nombre {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

.producto-selector-precio {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 600;
}

.producto-selector-stock {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.producto-selector-controles {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-cantidad {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cantidad:hover:not(:disabled) {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
}

.btn-cantidad:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cantidad-display {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    min-width: 35px;
    text-align: center;
}

.pack-resumen-sticky {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.pack-resumen {
    background: var(--color-bg-card);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-lg);
}

.pack-resumen h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--color-text);
}

.pack-detalle-vacio {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-secondary);
}

.pack-detalle-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}

.pack-detalle-nombre {
    color: var(--color-text);
}

.pack-detalle-cantidad {
    color: var(--color-text-secondary);
    font-weight: 600;
}

.pack-totales {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid rgba(0, 212, 255, 0.2);
}

.pack-totales .total-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.pack-totales .total-line.descuento {
    color: var(--color-success);
}

.pack-totales .total-line.descuento-extra {
    color: var(--color-success);
    font-weight: 600;
}

.pack-totales .total-line.envio {
    color: var(--color-text-secondary);
}

.pack-totales .total-line.final {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid var(--color-primary);
}

.btn-agregar-pack {
    width: 100%;
    background: linear-gradient(135deg, var(--color-success), #00cc66);
    color: var(--color-bg);
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-agregar-pack:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

.btn-agregar-pack:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-limpiar-pack {
    width: 100%;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-limpiar-pack:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.pack-info-descuentos {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-top: 40px;
}

.pack-info-descuentos h4 {
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: 15px;
}

.pack-info-descuentos ul {
    list-style: none;
    padding: 0;
}

.pack-info-descuentos li {
    padding: 8px 0;
    color: var(--color-text);
    font-size: 1rem;
    padding-left: 25px;
    position: relative;
}

.pack-info-descuentos li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* Footer */
.footer {
    background: var(--color-bg-card);
    color: var(--color-text);
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer p {
    margin: 8px 0;
    opacity: 0.8;
    color: var(--color-text-secondary);
}

.footer a {
    color: var(--color-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Responsive Mobile First */
@media (max-width: 768px) {
    .productos-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 20px;
    }
    
    .header-logo {
        max-width: 140px;
    }
    
    .banner-descuento h1,
    .banner-descuento h2 {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .modal-content {
        margin: 20px;
        padding: 25px;
    }
    
    .carrito-flotante {
        bottom: 20px;
        right: 20px;
    }
    
    .carrito-icono {
        width: 60px;
        height: 60px;
    }
    
    /* Touch targets más grandes */
    .btn-agregar,
    .btn-whatsapp {
        padding: 16px;
        font-size: 1.1rem;
        min-height: 50px;
    }
    
    /* Evitar zoom en iOS */
    .form-group input,
    .form-group select {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .category-title {
        font-size: 1.2rem;
    }
    
    .producto-info {
        padding: 18px;
    }

    /* Armá tu Pack - Mobile */
    .pack-builder {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .pack-resumen-sticky {
        position: static;
    }

    .producto-selector-item {
        flex-direction: column;
        text-align: center;
    }

    .producto-selector-info {
        align-items: center;
        text-align: center;
    }

    .pack-info-descuentos {
        padding: 20px;
    }

    .pack-info-descuentos h4 {
        font-size: 1.1rem;
    }

    .pack-info-descuentos li {
        font-size: 0.9rem;
    }
}

/* Spinner HOP Loading */
.hop-loading {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: hop-spin 1s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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