presentation.org: Kyndryl branding + table fix from document.org

- Custom Beamer color scheme: kyndrylRed (#C40000) title bars, items, blocks
- Kyndryl logo on title page + footer (bottom-left, with page numbers)
- Helvetica font (matches document.org)
- Table fix: ltablex + booktabs + rowcolors + Y/Z/R column types (from document.org)
- Beamer table scaling: adjustbox wrapper (updated tabcolsep/arraystretch)
- Clean frametitle: red bar with white text
- Hyperlinks in kyndrylRed
- Code blocks with light gray background

templates/presentation.org

@@ -4,40 +4,144 @@
 #+DATE: \today
 #+LANGUAGE: en
 
-#+OPTIONS: toc:nil num:nil
+#+OPTIONS: toc:nil num:nil H:2
 
 #+LATEX_CLASS: beamer
 #+LATEX_CLASS_OPTIONS: [aspectratio=169]
 
-#+BEAMER_THEME: Madrid
+# -- Kyndryl theme: custom colors, no default Beamer theme clutter -----------
+#+BEAMER_THEME: default
+#+BEAMER_COLOR_THEME: default
+
+# -- Frame breaks: allow automatic breaking of long slides --------------------
 #+LATEX_HEADER: \let\oldframe\frame
 #+LATEX_HEADER: \let\endoldframe\endframe
 #+LATEX_HEADER: \renewenvironment{frame}[1][]{\oldframe[allowframebreaks,#1]}{\endoldframe}
 
-
+# -- Encoding, fonts -----------------------------------------------------------
-
 #+LATEX_HEADER: \usepackage[english]{babel}
 #+LATEX_HEADER: \usepackage[T1]{fontenc}
-#+LATEX_HEADER: \usepackage{lmodern}
+#+LATEX_HEADER: \usepackage{helvet}
-#+LATEX_HEADER: \usepackage{graphicx}
+#+LATEX_HEADER: \renewcommand{\familydefault}{\sfdefault}
+#+LATEX_HEADER: \usepackage{microtype}
 
+# -- Kyndryl brand colors -----------------------------------------------------
+#+LATEX_HEADER: \usepackage[table,x11names]{xcolor}
+#+LATEX_HEADER: \definecolor{kyndrylRed}{RGB}{196,0,0}
+#+LATEX_HEADER: \definecolor{kyndrylDark}{RGB}{38,38,38}
+#+LATEX_HEADER: \definecolor{kyndrylGray}{RGB}{100,100,100}
+#+LATEX_HEADER: \definecolor{kyndrylLightGray}{RGB}{240,240,240}
+#+LATEX_HEADER: \definecolor{tableOdd}{RGB}{252,252,252}
+#+LATEX_HEADER: \definecolor{tableEven}{RGB}{237,237,237}
+
+# -- Beamer color scheme (Kyndryl branding) ------------------------------------
+#+LATEX_HEADER: \setbeamercolor{structure}{fg=kyndrylRed}
+#+LATEX_HEADER: \setbeamercolor{frametitle}{fg=white,bg=kyndrylRed}
+#+LATEX_HEADER: \setbeamercolor{title}{fg=white,bg=kyndrylRed}
+#+LATEX_HEADER: \setbeamercolor{subtitle}{fg=kyndrylGray}
+#+LATEX_HEADER: \setbeamercolor{author}{fg=kyndrylDark}
+#+LATEX_HEADER: \setbeamercolor{date}{fg=kyndrylGray}
+#+LATEX_HEADER: \setbeamercolor{block title}{fg=white,bg=kyndrylRed}
+#+LATEX_HEADER: \setbeamercolor{block body}{bg=kyndrylLightGray}
+#+LATEX_HEADER: \setbeamercolor{item}{fg=kyndrylRed}
+#+LATEX_HEADER: \setbeamercolor{subitem}{fg=kyndrylRed!80}
+#+LATEX_HEADER: \setbeamercolor{footline}{fg=kyndrylGray}
+#+LATEX_HEADER: \setbeamercolor{normal text}{fg=kyndrylDark}
+
+# -- Beamer fonts --------------------------------------------------------------
+#+LATEX_HEADER: \setbeamerfont{frametitle}{size=\large,series=\bfseries}
+#+LATEX_HEADER: \setbeamerfont{title}{size=\Large,series=\bfseries}
+#+LATEX_HEADER: \setbeamerfont{subtitle}{size=\normalsize}
+
+# -- Frametitle template (clean, red bar with white text) ----------------------
+#+LATEX_HEADER: \setbeamertemplate{frametitle}{%
+#+LATEX_HEADER:   \vskip2pt%
+#+LATEX_HEADER:   \leavevmode%
+#+LATEX_HEADER:   \hbox{%
+#+LATEX_HEADER:     \begin{beamercolorbox}[wd=\paperwidth,ht=2.8ex,dp=1.2ex,leftskip=0.5cm]{frametitle}%
+#+LATEX_HEADER:       \usebeamerfont{frametitle}\insertframetitle%
+#+LATEX_HEADER:     \end{beamercolorbox}%
+#+LATEX_HEADER:   }%
+#+LATEX_HEADER: }
+
+# -- Navigation: remove symbols, add page number + logo in footer --------------
 #+LATEX_HEADER: \setbeamertemplate{navigation symbols}{}
-#+LATEX_HEADER: \setbeamertemplate{footline}[frame number]
+#+LATEX_HEADER: \setbeamertemplate{footline}{%
-#+LATEX_HEADER: \beamertemplatenavigationsymbolsempty
+#+LATEX_HEADER:   \hbox to\paperwidth{%
+#+LATEX_HEADER:     \hskip0.3cm%
+#+LATEX_HEADER:     \includegraphics[height=0.6cm]{~/org/templates/logo.png}%
+#+LATEX_HEADER:     \hfill%
+#+LATEX_HEADER:     \usebeamercolor[fg]{footline}\usebeamerfont{footline}%
+#+LATEX_HEADER:     \insertframenumber\,/\,\inserttotalframenumber%
+#+LATEX_HEADER:     \hskip0.3cm%
+#+LATEX_HEADER:   }%
+#+LATEX_HEADER:   \vskip4pt%
+#+LATEX_HEADER: }
 
+# -- Title page (centered, logo, Kyndryl styling) -----------------------------
+#+LATEX_HEADER: \usepackage{graphicx}
+#+LATEX_HEADER: \defbeamertemplate*{title page}{customized}[1][]{%
+#+LATEX_HEADER:   \vfill%
+#+LATEX_HEADER:   \begin{center}%
+#+LATEX_HEADER:     \includegraphics[width=0.20\textwidth]{~/org/templates/logo.png}\par%
+#+LATEX_HEADER:     \vskip1em%
+#+LATEX_HEADER:     {\usebeamerfont{title}\usebeamercolor[fg]{title}%
+#+LATEX_HEADER:       \colorbox{kyndrylRed}{\parbox{0.85\textwidth}{\centering\inserttitle}}%
+#+LATEX_HEADER:     }\par%
+#+LATEX_HEADER:     \ifx\insertsubtitle\empty\else%
+#+LATEX_HEADER:       \vskip0.5em%
+#+LATEX_HEADER:       {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle}\par%
+#+LATEX_HEADER:     \fi%
+#+LATEX_HEADER:     \vskip1.5em%
+#+LATEX_HEADER:     {\usebeamerfont{author}\usebeamercolor[fg]{author}\insertauthor}\par%
+#+LATEX_HEADER:     \vskip0.5em%
+#+LATEX_HEADER:     {\usebeamerfont{date}\usebeamercolor[fg]{date}\insertdate}\par%
+#+LATEX_HEADER:   \end{center}%
+#+LATEX_HEADER:   \vfill%
+#+LATEX_HEADER: }
 
-#+LATEX_HEADER: \usepackage{adjustbox}
+# -- Tabulky (shodne s document.org) -------------------------------------------
 #+LATEX_HEADER: \usepackage{array}
+#+LATEX_HEADER: \usepackage{tabularx}
+#+LATEX_HEADER: \usepackage{longtable}
+#+LATEX_HEADER: \usepackage{ltablex}
+#+LATEX_HEADER: \keepXColumns
+#+LATEX_HEADER: \usepackage{booktabs}
+#+LATEX_HEADER: \usepackage{colortbl}
+#+LATEX_HEADER: \usepackage{etoolbox}
+#+LATEX_HEADER: \usepackage{ragged2e}
+# Stridave barvy radku -- vsechny typy tabulek
+#+LATEX_HEADER: \AtBeginEnvironment{longtable}{\rowcolors{1}{tableOdd}{tableEven}}
+#+LATEX_HEADER: \AtBeginEnvironment{tabularx}{\rowcolors{1}{tableOdd}{tableEven}}
+#+LATEX_HEADER: \AtBeginEnvironment{tabular}{\rowcolors{1}{tableOdd}{tableEven}}
+# Typy sloupcu: Y=wrap+levy, Z=wrap+stred, R=wrap+pravy
+#+LATEX_HEADER: \newcolumntype{Y}{>{\RaggedRight\arraybackslash}X}
+#+LATEX_HEADER: \newcolumntype{Z}{>{\Centering\arraybackslash}X}
+#+LATEX_HEADER: \newcolumntype{R}{>{\RaggedLeft\arraybackslash}X}
 
+# -- Beamer table scaling (fit tables to slide width) --------------------------
+#+LATEX_HEADER: \usepackage{adjustbox}
 #+LATEX_HEADER: \let\orgoldtabular\tabular
 #+LATEX_HEADER: \let\orgendoldtabular\endtabular
 #+LATEX_HEADER: \renewenvironment{tabular}[1]{%
 #+LATEX_HEADER:   \begin{adjustbox}{max width=\linewidth}%
 #+LATEX_HEADER:   \small%
-#+LATEX_HEADER:   \setlength{\tabcolsep}{3pt}%
+#+LATEX_HEADER:   \setlength{\tabcolsep}{4pt}%
-#+LATEX_HEADER:   \renewcommand{\arraystretch}{1.1}%
+#+LATEX_HEADER:   \renewcommand{\arraystretch}{1.2}%
 #+LATEX_HEADER:   \orgoldtabular{#1}%
 #+LATEX_HEADER: }{%
 #+LATEX_HEADER:   \orgendoldtabular%
 #+LATEX_HEADER:   \end{adjustbox}%
 #+LATEX_HEADER: }
+
+# -- Hyperlinks ----------------------------------------------------------------
+#+LATEX_HEADER: \usepackage{hyperref}
+#+LATEX_HEADER: \hypersetup{colorlinks=true,linkcolor=kyndrylRed,urlcolor=kyndrylRed,citecolor=kyndrylRed}
+
+# -- Code blocks ---------------------------------------------------------------
+#+LATEX_HEADER: \usepackage{listings}
+#+LATEX_HEADER: \lstset{backgroundcolor=\color{kyndrylLightGray},basicstyle=\ttfamily\scriptsize,breaklines=true,frame=single,rulecolor=\color{kyndrylGray}}
+
+# ------------------------------------------------------------------------------
+# Obsah prezentace
+# ------------------------------------------------------------------------------