:root {
    --bg-color: #000000;
    --card-bg: #000000; /* Fondo negro como la foto */
    --neon-red: #ff0000;
    --text-white: #ffffff;
    --price-yellow: #ffffff; /* Precios en blanco según tu foto */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-white);
    font-family: 'Roboto', sans-serif;
    max-width: 450px; /* Tamaño ideal de celular */
    margin: 0 auto;
    background-image: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('https://www.transparenttextures.com/patterns/black-thread.png'); /* Textura de fondo sutil */
}

/* TÍTULO CON EFECTO NEÓN ROJO */
header {
    text-align: center;
    padding: 30px 10px 10px 10px;
}

.header-title {
    font-family: 'Oswald', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: #ffffff;
    text-transform: uppercase;
    
    /* Efecto Neón: capas de brillo rojo */
    text-shadow: 
        0 0 7px #fff,
        0 0 10px var(--neon-red),
        0 0 21px var(--neon-red),
        0 0 42px var(--neon-red),
        0 0 82px var(--neon-red);
}

.header-line {
    width: 160px;
    height: 4px;
    background: var(--neon-red);
    margin: 5px auto 25px auto;
    box-shadow: 0 0 15px var(--neon-red);
}

.hero-banner img {
    width: 90%;
    border-radius: 8px;
    border: 1px solid #333;
}

/* BOTONES RECTANGULARES */
.categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 20px 10px;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 10;
}

.nav-btn {
    background: transparent;
    border: 1.5px solid var(--neon-red);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.nav-btn.active {
    background: var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red);
}

/* TARJETAS ESTILO "SQUAD DE CARNES" */
#menu-container {
    padding: 10px;
}

.card {
    background: var(--card-bg);
    border: 1.5px solid #333; /* Borde gris oscuro inicial */
    border-radius: 8px;
    display: flex;
    flex-direction: row;
    margin-bottom: 15px;
    padding: 15px;
    position: relative;
    overflow: hidden;
}

/* Borde rojo solo si querés resaltar algunas, o para todas: */
.card { border-color: #444; } 

.card-info {
    flex: 1;
}

.card-info h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.2rem;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.card-info p {
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.price {
    font-family: 'Oswald', sans-serif;
    color: var(--text-white);
    font-size: 1.4rem;
    font-weight: 700;
}

.card img {
    width: 110px;
    height: 90px;
    object-fit: cover;
    border-radius: 4px;
}