:root { --brand-orange:#E87722; --brand-black:#000; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans",sans-serif; }
.reveal .controls .navigate-right,
.reveal .controls .navigate-left,
.reveal .controls .navigate-up,
.reveal .controls .navigate-down { color: var(--brand-orange); }
.reveal .progress { background: rgba(0,0,0,.1); height: 4px; }
.reveal .progress span { background: var(--brand-orange); }
.deck-container h1, .deck-container h2, .deck-container h3 { color: var(--brand-black); }