:root{
  --rkm-orange:#e58a1f;
  --rkm-dark:#0b0b0b;
  --rkm-light:#f7f7f7;
}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--rkm-light);}
.navbar{background:var(--rkm-dark)!important;}
.navbar .nav-link,.navbar-brand{color:#fff!important;}
.navbar .nav-link.active{color:var(--rkm-orange)!important;}
.hero{
  background: radial-gradient(1200px 600px at 20% 20%, rgba(229,138,31,.25), transparent 60%),
              linear-gradient(135deg, #0b0b0b 0%, #191919 100%);
  color:#fff;
  padding:5rem 0;
}
.hero .badge{background:rgba(229,138,31,.15); color:#fff; border:1px solid rgba(229,138,31,.35);}
.section-title{border-left:6px solid var(--rkm-orange); padding-left:12px;}
.card{border:0; border-radius:18px; box-shadow:0 10px 30px rgba(0,0,0,.08);}
.btn-rkm{background:var(--rkm-orange); color:#fff; border:0;}
.btn-rkm:hover{filter:brightness(.95); color:#fff;}
footer{background:#111; color:#bbb;}
footer a{color:#fff; text-decoration:none;}
.kpi{font-size:2rem; font-weight:700;}
.small-muted{color:#666;}