/*Fondo de pantalla*/
html{
    margin: 0;
    padding: 0;
    background-image: url("../IMG/recorte.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    height: 100vh;
    overflow-y: auto; 
    scroll-behavior:smooth;
}



            /*Centrar todo el contenido*/
body {
    min-height: 100vh; /* Altura del viewport */
    /* Removed global centering — layout containers (.pantalla, .caja, etc.) handle positioning */
}