documentclass[]{paper}

usepackage{shadowtext}

title{shadowtext{Title}}


begin{document}
maketitle
end{document}

documentclass[]{paper}

usepackage{shadowtext}

title{shadowtext{Very long Title \ is very long}}


begin{document}
maketitle
end{document}

documentclass[]{paper}

usepackage{shadowtext}

title{shadowtext{Very long Title} \ shadowtext{is very long}}


begin{document}
maketitle
end{document}