/* ========================================
   IMAGEN DE FONDO PERSONALIZABLE
   ======================================== */

body {
    position: relative;
    min-height: 100vh;
}

/* Capa de fondo con imagen */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Capa de transparencia sobre el fondo */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Tarjetas con fondo semi-transparente */
.card {
    background: rgba(255, 255, 250, 0.95) !important;
    backdrop-filter: blur(8px);
}

/* Footer con fondo */
footer {
    background: rgba(248, 249, 250, 0.95) !important;
    backdrop-filter: blur(8px);
}

/* Navbar siempre sólido */
.navbar {
    position: relative;
    z-index: 1000;
}