emacs.d/texmf/tex/latex/mycustomstyles/komageneral.sty

\ProvidesPackage{komageneral}

% Base packages
\usepackage{fontspec}
\usepackage{geometry}
\usepackage{scrlayer-scrpage}  % Part of KOMA-Script bundle
\usepackage{enumitem}
\usepackage{caption}
\usepackage[expansion,protrusion=true]{microtype}
\usepackage{polyglossia}
\usepackage{biblatex}
\usepackage{float}
\usepackage{xcolor}
\usepackage{listings}
\usepackage{booktabs}
\usepackage{grffile}
\usepackage{unicode-math}
\usepackage[Export]{adjustbox}
\usepackage{graphicx}  % Needed for title page
\usepackage{etoolbox}  % For custom quote environment
\usepackage{longtable}
\usepackage{wrapfig}
\usepackage{rotating}
\usepackage[normalem]{ulem}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{capt-of}
\usepackage{hyperref}

\setdefaultlanguage{english}
\setotherlanguages{german}

\adjustboxset{max size={\textwidth}{0.6\textheight}}

\KOMAoptions{toc=flat,toc=listof}

% Font settings
\defaultfontfeatures{Ligatures=TeX, RawFeature={+zero, +liga}}
\setmainfont{Noto Serif Regular}[
    BoldFont={Noto Serif Bold},
    ItalicFont={Noto Serif Italic}
]
\setsansfont{Noto Sans Regular}[
    BoldFont={Noto Sans Bold},
    ItalicFont={Noto Sans Italic}
]
\setmonofont{Noto Sans Mono}[
    BoldFont={Noto Sans Mono Bold},
    Scale=0.8
]
\linespread{1.1}

% Geometry settings
\geometry{a4paper, left=2cm, right=2cm, top=2cm, bottom=2cm}

% Header and footer settings with scrlayer-scrpage
\pagestyle{scrheadings}
\clearpairofpagestyles
\automark[section]{section} % Automatically mark sections
\ihead{\@title} % Section title
\ohead{\pagemark}
\setkomafont{pageheadfoot}{\normalfont}
\setkomafont{pagehead}{\normalfont}

% Add lines under the header and above the footer
\setheadsepline{0.2pt} % Thickness of the header line

% Section formatting with KOMA-Script features
\setkomafont{section}{\Large\bfseries\sffamily}
\setkomafont{subsection}{\large\bfseries\sffamily}
\setkomafont{subsubsection}{\normalsize\bfseries\sffamily}

% Define the spacing between title and content
\RedeclareSectionCommand[beforeskip=\baselineskip, afterskip=0.5\baselineskip]{section}
\RedeclareSectionCommand[beforeskip=\baselineskip, afterskip=0.5\baselineskip]{subsection}
\RedeclareSectionCommand[beforeskip=\baselineskip, afterskip=0.5\baselineskip]{subsubsection}

% Define the spacing between section number and title
\renewcommand{\sectionformat}{\thesection\hspace{0.5em}}
\renewcommand{\subsectionformat}{\thesubsection\hspace{0.5em}}
\renewcommand{\subsubsectionformat}{\thesubsubsection\hspace{0.5em}}

% Set global table font to Noto Sans Condensed Light
\AtBeginEnvironment{tabular}{\fontspec{Noto Sans Condensed}}
\AtBeginEnvironment{longtable}{\fontspec{Noto Sans Condensed}}

% Caption settings
\captionsetup{font=small, labelfont=bf}

% Custom quote environment
\AtBeginEnvironment{quote}{\itshape}

% Custom formatting commands
\newcommand{\important}[1]{\textbf{#1}}
\newcommand{\code}[1]{\texttt{#1}}

% Title page settings
\newcommand{\TitlePage}[3]{ % #1 - Logo file, #2 - Company name, #3 - Title
  \begin{titlepage}
    \centering
    \vspace*{1cm}
    \includegraphics[width=0.3\textwidth]{#1}\par\vspace{1cm}
    {\Huge #2\par}
    \vspace{2cm}
    {\Large #3\par}
    \vfill
    {\large \today\par}
  \end{titlepage}
}

% Global listing settings
\lstset{
    basicstyle={\ttfamily\color[rgb]{0.30, 0.34, 0.42}},
    showstringspaces=false,
    keywordstyle={\color[rgb]{0.23, 0.26, 0.32}\textbf},
    commentstyle={\color[rgb]{0.26, 0.30, 0.37}},
    stringstyle={\color[rgb]{0.18, 0.20, 0.25}},
    frame=single,
    numbers=left,
    numbersep=5pt,
    numberstyle={\ttfamily\color[rgb]{0.30, 0.34, 0.42}},
    keepspaces=true,
    showspaces=false,
    showstringspaces=false,
    showtabs=false,
    breaklines=true,
    breakatwhitespace=false,
    tabsize=2,
    columns=fullflexible,
    aboveskip=1em,
    belowskip=1em
}

% Set description items to italic
\setlist[description]{font=\normalfont\itshape}