:root{
  /* Palette 1 - Fresh Green */
  --sahelu-deep-green: #0E6B4F; /* primary: buttons, headers, brand surfaces */
  --sahelu-fresh-green: #22C55E; /* accent: highlights, success, CTAs */
  --sahelu-mint-mist: #F1F8F5;  /* background: cards, sections, app canvas */
  --sahelu-ink: #111827;        /* text: headlines, body, dark UI */
  --sahelu-icon-gradient: linear-gradient(135deg, #16A34A, #0E6B4F);
}