\documentclass[aspectratio=169]{beamer}

\mode<presentation>
{
  \usetheme{Boadilla}
  \usecolortheme{sidebartab}
  \usefonttheme{structuresmallcapsserif} 
  \setbeamertemplate{navigation symbols}{}
  \setbeamertemplate{caption}[numbered]
} 

% Define OpenAlt Romania colors 
\usepackage{xcolor}
\definecolor{oa_blue}{RGB}{0,43,127}
\definecolor{oa_red}{RGB}{206,17,38}
\definecolor{oa_yellow}{RGB}{252,209,22}

\setbeamercolor{structure}{fg=oa_red}
\setbeamercolor{palette primary}{bg=oa_red,fg=white}
\setbeamercolor{palette secondary}{bg=oa_yellow,fg=black}
\setbeamercolor{palette tertiary}{bg=oa_blue,fg=white}

% Set OpenAlt background 
\usebackgroundtemplate{\includegraphics[width=\paperwidth,height=\paperheight]{background.png}}


% Packages
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage{lmodern}
\usepackage{graphicx}

% Editing title page
\setbeamertemplate{title page}
{
	\setbeamerfont{title}{size=\Huge, series=\bfseries}
	\setbeamerfont{author}{size=\Large}
	\setbeamerfont{institute}{size=\normalsize}
	\setbeamerfont{date}{size=\Large}
	
	\begin{centering}
		{\usebeamerfont{title}\inserttitle\par}
		\vspace{1cm}
		{\usebeamerfont{author}\insertauthor\par}
		{\usebeamerfont{institute}(\insertinstitute)\par}
		\vspace{1cm}
		{\usebeamerfont{date}\insertdate\par}
	\end{centering}
}


% Table of Contents
\setbeamertemplate{section in toc}{\inserttocsectionnumber\quad\inserttocsection}
\setbeamercolor{section in toc}{fg=oa_blue}
\setbeamertemplate{subsection in toc}[default]

% Editing section page
\setbeamertemplate{section page}
{
	\setbeamercolor{section title}{fg=oa_blue}
	\setbeamerfont{section title}{series=\bfseries,size=\Large}
	\begin{centering}
		\vspace{1cm}
		{\usebeamercolor[fg]{section title}\usebeamerfont{section title}\insertsectionnumber\quad\insertsection\par}
	\end{centering}
}

% Editing subsection page
\setbeamertemplate{subsection page}
{
	\setbeamercolor{section title}{fg=oa_blue}
	\setbeamerfont{section title}{series=\bfseries,size=\Large}
	\begin{centering}
		\vspace{1cm}
		{\usebeamercolor[fg]{section title}\usebeamerfont{section title}\insertsectionnumber\quad\insertsection\par}
		\vspace{1cm}
		{\usebeamerfont{subsection title}\insertsubsection\par}
	\end{centering}
}

% # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
% # # # # # # # # # # # # # [ DOCUMENT START ]  # # # # # # # # # # # #
% # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
\title[OpenAlt Romania Template]{OpenAlt Romania presentation Template}
\author{Viski Barbora}
\institute{OpenAlt Romania}
\date{25.\,02.\,2026}

\begin{document}
% - - - - - - [ Title Frame ]  - - - - - - 
\begin{frame}
  \titlepage
\end{frame}

% - - - - - - [ Table of Contents Frame ]  - - - - - - 
\begin{frame}{Table of Contents}
  \tableofcontents
\end{frame}


% # # # # # # [ Introduction ]  # # # # # # #
\section{Introduction}
\subsection{Introduction}
% - - - - - - [ Introduction section page ]  - - - - - - 
\begin{frame}
  \subsectionpage
\end{frame}
% - - - - - - [ Introduction Frame ]  - - - - - - 
\begin{frame}{Introduction}

The purpose of this template is to help OpenAlt Romania presenters by providing a template they can use for their presentations.

\vskip 1cm

This template features:
\begin{itemize}
  \item Color scheme and branding for OpenAlt Romania
  \item Use of bullet points
  \item Adding images as figures
  \item Including code snippets
\end{itemize}

\end{frame}


% # # # # # # [ About OpenAlt Romania ]  # # # # # # #
\subsection{About OpenAlt Romania}
% - - - - - - [ About OA RO section page ]  - - - - - - 
\begin{frame}
  \subsectionpage
\end{frame}
% - - - - - - [ About OA RO Frame ]  - - - - - - 
\begin{frame}{About OpenAlt Romania}

The primary goal of this community is to support and promote free and open source technologies including software, hardware, data, sciences, education, government and others. This community is a sister community of OpenAlt community in Brno, Czech republic, and also closely affiliated with OpenAlt Conference in Brno.

\vskip 1cm

In this community, we’d like to:
\begin{itemize}
  \item Promote and support open technologies
  \item Support and improve existing local open projects
  \item Other broader community support for open technologies
\end{itemize}

\end{frame}

% - - - - - - [ Branding Frame ]  - - - - - - 
\begin{frame}
\frametitle{Branding}
  \begin{columns}
    \begin{column}{.5\textwidth}
		Our colors are:
		\begin{itemize}
			\item Blue \#002B7F
			\item Red \#CE1126
			\item Yellow \#FCD116
		\end{itemize}
		\vskip 1cm
		\begin{figure}[htb]
			\includegraphics[width=.75\textwidth]{openalt_tall.png}
			\caption{\label{fig:openalt_tall}Wide Logo}
		\end{figure}
    \end{column}
    
    \begin{column}{.5\textwidth}
		\begin{figure}[htb]
		\includegraphics[width=.75\textwidth]{openalt_wide.png}
		\caption{\label{fig:openalt_wide}Tall Logo}
		\end{figure}
    \end{column}
  \end{columns}
\end{frame} 


% # # # # # # [ Template ]  # # # # # # #
\section{Template}
% - - - - - - [ Template section page ]  - - - - - - 
\begin{frame}
  \sectionpage
\end{frame}
% - - - - - - [ Setting up LaTeX Frame ]  - - - - - - 
\begin{frame}{Setting up \LaTeX{}}
	Depending on your operating system, there are different LaTeX distributions available:
	\begin{itemize}
	  \item Linux: \href{https://www.tug.org/texlive/quickinstall.html}{TeX}
	  \item Mac OS: \href{https://www.tug.org/mactex/mactex-download.html}{MacTeX}
	  \item Windows: \href{https://miktex.org/download}{MiKTeX}
	  \item Online: \href{https://www.overleaf.com/}{Overleaf}
	\end{itemize}
\end{frame}

% - - - - - - [ Setting up title page Frame ]  - - - - - - 
\begin{frame}[fragile]{Setting up title page}
Set up information about the presentation: 
\begin{verbatim}
	\title[Short title]{Long title}
	\author{Your Name}
	\institute{Your Organization}
	\date{01.\,01.\,1970}
\end{verbatim}
\end{frame}

% - - - - - - [ Lists Frame ]  - - - - - - 
\begin{frame}[fragile]{Lists}

\begin{columns}
	\begin{column}{.5\textwidth}
		Make a list:
		\begin{verbatim}
			\begin{itemize}
			  \item First item
			  \item Second item
			  \item Third item
			\end{itemize}
		\end{verbatim}
		
		Make a numbered list:
		\begin{verbatim}
			\begin{enumerate}
			  \item First item
			  \item Second item
			  \item Third item
			\end{enumerate}
		\end{verbatim}
	\end{column}
	\begin{column}{.5\textwidth}
		Make a list:
			\begin{itemize}
			  \item First item
			  \item Second item
			  \item Third item
			\end{itemize}

		\vskip 1.5cm
		Make a numbered list:
			\begin{enumerate}
			  \item First item
			  \item Second item
			  \item Third item
			\end{enumerate}
	\end{column}
\end{columns}
\end{frame}

% # # # # # # [ References ]  # # # # # # #
\section{References}
% - - - - - - [ References section page ]  - - - - - - 
\begin{frame}
  \sectionpage
\end{frame}
% - - - - - - [ References Frame ]  - - - - - - 
\begin{frame}{References}
\begin{thebibliography}{99}

\bibitem{latexguide} 
Leslie Lamport, \textit{LaTeX: A Document Preparation System}, 2nd Edition, Addison-Wesley, 1994.

\bibitem{beamerguide} 
Till Tantau, \textit{The Beamer Class User Guide}, 2023, \url{https://ctan.org/pkg/beamer}.

\bibitem{overleaf} 
Overleaf, \textit{Beamer Tutorial}, \url{https://www.overleaf.com/learn/latex/Beamer}.

\end{thebibliography}
\end{frame}

\end{document}