/* ===== مشهد محاسبي: حاسبة SVG نظيفة مع طفو هادئ ===== */
.scene3d{
  position:relative;width:100%;min-height:340px;height:100%;
  border-radius:16px;overflow:hidden;
  background:radial-gradient(circle at 50% 38%,#1d3a5f,#102844 58%,#08131f);
  display:grid;place-items:center;isolation:isolate;
}
.scene3d .halo{
  position:absolute;width:330px;height:330px;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(203,169,104,.24),transparent 66%);
  animation:aa-halo 7s ease-in-out infinite;
}
@keyframes aa-halo{0%,100%{opacity:.65;transform:scale(1)}50%{opacity:.95;transform:scale(1.05)}}
.scene3d .dot{position:absolute;width:6px;height:6px;border-radius:50%;background:#CBA968;opacity:.32;z-index:0}
.scene3d .d1{top:22%;left:16%}.scene3d .d2{top:30%;right:15%}.scene3d .d3{bottom:24%;left:24%}
.scene3d .calc-svg{
  position:relative;z-index:2;width:min(300px,78%);height:auto;
  animation:aa-float 6s ease-in-out infinite;will-change:transform;
}
@keyframes aa-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.scene3d .reflection{
  position:absolute;bottom:16px;inset-inline-end:18px;z-index:2;
  font-family:'Cinzel',serif;color:rgba(203,169,104,.45);font-size:.68rem;letter-spacing:3px;
}
@media(max-width:480px){
  .scene3d{min-height:300px}
  .scene3d .calc-svg{width:min(230px,72%);animation-duration:7s}
}
@media (prefers-reduced-motion:reduce){
  .scene3d .calc-svg,.scene3d .halo{animation:none !important}
}