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[protrusion=true,expansion=true,final,tracking=true,kerning=true]{microtype}
\usepackage{polyglossia}
\usepackage{biblatex}
\usepackage{float}
\usepackage[table]{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[pdfusetitle]{hyperref}
\usepackage{array}
\usepackage[a-1b]{pdfx}

\definecolor{darkgray}{RGB}{64,64,64}
\definecolor{lightgray}{RGB}{200,200,200}

\setdefaultlanguage{english}
\setotherlanguages{german}

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

\KOMAoptions{toc=flat,toc=listof}

% Font settings
\defaultfontfeatures{RawFeature={+zero, +liga}}
\setmainfont{Noto Serif}[BoldFont={Noto Serif Bold},ItalicFont={Noto Serif Italic}]
\setsansfont{Noto Sans}[BoldFont={Noto Sans Bold},ItalicFont={Noto Sans Italic}]
\setmonofont{MonoLisa}[BoldFont={MonoLisa Bold},ItalicFont={MonoLisa Italic}Scale=0.8]

\linespread{1.15}

% Geometry settings
\geometry{a4paper, left=2.5cm, right=2.5cm, top=2.5cm, bottom=2.5cm, marginparwidth=1.5cm}

% Header and footer settings with scrlayer-scrpage
\pagestyle{scrheadings}
\clearpairofpagestyles
\automark[section]{section} % Automatically mark sections
\ihead{\@title} % Section title
% \ohead{\pagemark}
\cfoot{\thepage}
\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\color{darkgray}}
\setkomafont{subsection}{\large\bfseries\sffamily\color{darkgray}}
\setkomafont{subsubsection}{\normalsize\bfseries\sffamily\color{darkgray}}

% 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}}
\newcolumntype{P}[1]{>{\centering\arraybackslash}p{#1}}

% 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=\small\ttfamily,
    breaklines=true,
    backgroundcolor=\color{lightgray!30},
    frame=single,
    rulecolor=\color{lightgray},
    numbers=left,
    numberstyle=\tiny\color{gray},
    numbersep=5pt,
    showstringspaces=false,
    keywordstyle={\color[rgb]{0.23, 0.26, 0.32}\bfseries},
    commentstyle={\color[rgb]{0.26, 0.30, 0.37}},
    stringstyle={\color[rgb]{0.18, 0.20, 0.25}},
    keepspaces=true,
    showspaces=false,
    showtabs=false,
    breakatwhitespace=false,
    tabsize=2,
    columns=fullflexible,
    aboveskip=1em,
    belowskip=1em,
    morecomment=[l]{\#},
    morecomment=[s]{"}{"},
    moredelim=[is][\color[rgb]{0.26, 0.30, 0.37}]{"}{"},
    literate={"}{"}2 {"}{"}2
}

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

% Enhance your hyperref setup
\hypersetup{
    colorlinks=true,
    linkcolor=darkgray,
    filecolor=darkgray,
    urlcolor=darkgray,
    citecolor=darkgray,
    % pdftitle={Your Document Title},
    % pdfauthor={Your Name},
    % pdfsubject={Document Subject},
    % pdfkeywords={keyword1, keyword2},
    pdfstartview={FitV},
    pdfview={FitV},
    pdfpagemode={UseOutlines},
    bookmarksopen=true,
    bookmarksnumbered=true
}

\let\oldtabular\tabular
\let\endoldtabular\endtabular
\renewenvironment{tabular}{\rowcolors{2}{white}{lightgray}\oldtabular}{\endoldtabular}