.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:32px 0 0}.stage-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:24px}.stage-num{font-family:DM Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;font-weight:600;color:var(--gold);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}.stage-title{font-size:.92rem;font-weight:700;color:var(--text);margin-bottom:6px}.stage-desc{font-size:.8rem;color:var(--text-muted);font-weight:300;line-height:1.6}.stage-card.hot{border-color:color-mix(in srgb,var(--gold) 30%,transparent)}.sim-subhead{font-family:DM Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);margin:6px 0 2px;padding-top:10px;border-top:1px solid var(--border)}.sim-subhead:first-child{border-top:none;padding-top:0;margin-top:0}.sim-control{display:flex;gap:10px;align-items:baseline;margin-top:14px;padding:12px 16px;background:color-mix(in srgb,var(--accent2) 6%,transparent);border-left:2px solid var(--accent2);border-radius:0 6px 6px 0}.sim-control-tag{font-family:DM Mono,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent2);white-space:nowrap}.sim-control p{font-size:.8rem;color:var(--text-muted);margin:0;line-height:1.6}.sim-result-sub{font-size:.75rem;color:var(--text-dim);margin-top:2px}.assumptions{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px}.assumptions li{font-size:.82rem;color:var(--text-muted);font-weight:300;line-height:1.65;padding-left:14px;border-left:2px solid var(--border)}.assumptions li strong{color:var(--text);font-weight:600}@media(max-width:900px){.stage-grid{grid-template-columns:1fr}}