/* Fondo con imagen */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('../img/fondo.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    position: relative;
    z-index: 0;
}
    /* Overlay oscuro */
    body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.1);
        z-index: -1;
    }

/* Gradiente de navbar y footer */
.bg-gradient {
    background: linear-gradient(90deg, #4b0082, #8a2be2);
}

/* Card semitransparente */
.bg-semi {
    background-color: rgba(30, 30, 47, 0.9);
    border: none;
    color: #fff;
}

/* Botones responsive */
.btn {
    font-size: 1.1rem;
}

.btn-mystic {
    background: linear-gradient(45deg, #6f42c1, #a970ff);
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

    .btn-mystic:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(111, 66, 193, 0.5), /* sombra morada */
        0 0 18px rgba(169, 112, 255, 0.6); /* halo violeta claro */
    }

.text-glow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.6); /* sombra básica */
}