:root{
  --wk-green: #0f3d2e;      /* deep green */
  --wk-anth: #111827;       /* anthracite */
  --wk-orange: #f97316;     /* strong orange */
  --wk-offwhite: #f8fafc;
}

.wk-shadow {
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
}

.wk-ring {
  outline: 2px solid rgba(249,115,22,.35);
  outline-offset: 2px;
}

/* Hero overlay for readability */
.hero-overlay {
  background: linear-gradient(90deg, rgba(17,24,39,.86) 0%, rgba(17,24,39,.55) 45%, rgba(17,24,39,.15) 100%);
}