/* Oferta em destaque: verde preservado, luz dourada e cubos oficiais. */
#oferta{
  isolation:isolate;overflow:hidden;border-block:1px solid rgba(196,172,72,.18);
  background:radial-gradient(ellipse 48% 65% at 50% 42%,rgba(196,172,72,.20),transparent 78%),var(--green-deep);
}
#oferta::before,#oferta::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:0}
#oferta::before{
  background:url("/assets/pattern-cubos-dourado.svg") center/200px auto repeat;opacity:.24;
  -webkit-mask-image:radial-gradient(ellipse 32% 68% at center,transparent 15%,rgba(0,0,0,.3) 62%,#000 100%);
  mask-image:radial-gradient(ellipse 32% 68% at center,transparent 15%,rgba(0,0,0,.3) 62%,#000 100%);
}
#oferta::after{
  background:linear-gradient(150deg,rgba(196,172,72,.07) 0 18%,transparent 18% 81%,rgba(196,172,72,.06) 81%);
}
#oferta > .wrap{position:relative;z-index:1}
#oferta .offer-card{
  background:radial-gradient(ellipse 100% 35% at 50% 0%,rgba(196,172,72,.14),transparent 75%),linear-gradient(165deg,#032619,#101512);
  border:1px solid rgba(196,172,72,.75);outline-color:rgba(196,172,72,.25);
  box-shadow:0 28px 65px -25px rgba(16,21,18,.8),0 0 70px -28px rgba(196,172,72,.35);
}
#oferta .offer-card::after{opacity:.14}
#oferta .offer-card .btn.primary{box-shadow:0 12px 30px -12px rgba(196,172,72,.65)}
@media(max-width:600px){
  #oferta::before{background-size:140px auto;opacity:.18}
  #oferta .offer-card{box-shadow:0 24px 45px -24px rgba(16,21,18,.8),0 0 42px -24px rgba(196,172,72,.35)}
}