.nr-section{margin-top:clamp(3.4rem,7vw,6.2rem)}
.nr-hero{scroll-margin-top:calc(var(--header-h) + 18px);padding-top:clamp(3rem,7vw,6rem);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:clamp(1.4rem,4vw,4rem);align-items:center}
.nr-hero-copy :is(h1,h2){max-width:18ch}.nr-hero-copy p{max-width:76ch;color:var(--muted)}.nr-hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.25rem}
.nr-hero-card,.nr-card,.nr-boundary-grid article,.nr-panel,.nr-reading,.nr-controls,.nr-metrics>div,.nr-check-grid>div{border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.nr-hero-card{padding:1.15rem;display:grid;gap:.65rem}.nr-hero-card>span,.nr-card>span,.nr-boundary-grid article>span,.nr-reading>span,.nr-panel-head span,.nr-control-head span{font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.nr-equation{padding:.6rem .7rem;border:1px solid var(--line);border-radius:10px;background:var(--panel-solid);font-family:var(--font-mono,ui-monospace,SFMono-Regular,Consolas,monospace);overflow-wrap:anywhere}.nr-equation.large{font-size:1.05rem;font-weight:750;color:var(--accent)}
.nr-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:.55rem}.nr-mini-grid div{padding:.58rem;border:1px solid var(--line);border-radius:10px}.nr-mini-grid span{display:block;font-size:.7rem;color:var(--muted)}.nr-mini-grid strong{display:block;margin-top:.15rem;font-size:.83rem}
.nr-foundation-grid,.nr-boundary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.nr-card,.nr-boundary-grid article{padding:1.05rem}.nr-card h3{margin:.35rem 0 .55rem}.nr-card p,.nr-boundary-grid p{margin:0;color:var(--muted)}
.nr-note{margin-top:1rem;border-left:3px solid var(--accent-2);padding:.8rem 1rem;background:color-mix(in srgb,var(--panel) 88%,transparent);border-radius:0 12px 12px 0}.nr-note p{display:inline;margin-left:.35rem;color:var(--muted)}
.nr-lab-shell{display:grid;grid-template-columns:minmax(270px,340px) minmax(0,1fr);gap:1rem;align-items:start}.nr-controls{position:sticky;top:5.5rem;padding:1rem;display:grid;gap:.9rem;min-width:0}.nr-control-head{display:flex;justify-content:space-between;gap:.8rem;align-items:start}.nr-control-head strong{display:block}.nr-status{font-size:.76rem;font-weight:700;color:var(--accent);text-align:right}
.nr-controls label{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.32rem .7rem;align-items:center;font-size:.86rem}.nr-controls label output{font-variant-numeric:tabular-nums;font-weight:700;color:var(--text);overflow-wrap:anywhere}.nr-controls input[type=range]{grid-column:1/-1;width:100%}
.nr-presets{border:1px solid var(--line);border-radius:11px;padding:.65rem}.nr-presets legend{padding:0 .35rem;color:var(--muted);font-size:.74rem}.nr-presets div{display:grid;grid-template-columns:1fr 1fr;gap:.4rem}.nr-presets button{border:1px solid var(--line);background:var(--panel-solid);color:var(--text);border-radius:8px;padding:.52rem .5rem;font:inherit;font-size:.73rem;cursor:pointer}.nr-presets button:hover,.nr-presets button.is-active{border-color:var(--accent);color:var(--accent)}
.nr-actions{display:grid}.nr-assumption{font-size:.76rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem}.nr-assumption strong{color:var(--text)}.nr-assumption p{margin:.3rem 0 0}
.nr-stage{display:grid;gap:1rem;min-width:0}.nr-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}.nr-check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.65rem}.nr-metrics>div,.nr-check-grid>div{padding:.75rem;min-width:0}.nr-metrics span,.nr-check-grid span{display:block;font-size:.72rem;color:var(--muted)}.nr-metrics strong,.nr-check-grid strong{display:block;margin-top:.22rem;font-size:.84rem;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.nr-top-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1rem}.nr-panel{padding:.85rem;min-width:0}.nr-panel-head{display:flex;justify-content:space-between;gap:1rem;margin-bottom:.5rem}.nr-panel-head strong{display:block}.nr-readout{text-align:right}.nr-readout strong{display:block;color:var(--accent);font-size:.83rem}.nr-panel svg{display:block;width:100%;height:auto;overflow:visible}.nr-reading{padding:1rem}.nr-reading h3{margin:.35rem 0 .5rem}.nr-reading p{margin:0;color:var(--muted)}
.nr-svg-axis{stroke:var(--muted);stroke-width:1.5}.nr-svg-grid{stroke:var(--line);stroke-width:1}.nr-svg-guide{stroke:var(--accent-3);stroke-width:1.5;stroke-dasharray:5 6}.nr-svg-marker{stroke:var(--accent-2);stroke-width:2.5;stroke-dasharray:7 6}.nr-svg-label{fill:var(--text);font-size:17px;font-weight:700}.nr-svg-small{fill:var(--muted);font-size:14px}.nr-svg-accent{fill:var(--accent);font-size:15px;font-weight:700}.nr-svg-violet{fill:var(--accent-2);font-size:15px;font-weight:700}.nr-svg-green{fill:var(--accent-3);font-size:15px;font-weight:700}.nr-neutron{fill:var(--accent);stroke:var(--panel-solid);stroke-width:3}.nr-target{fill:color-mix(in srgb,var(--accent-2) 24%,var(--panel-solid));stroke:var(--accent-2);stroke-width:3}.nr-track{stroke:var(--accent);stroke-width:3;marker-end:url(#nr-arrow)}.nr-recoil{stroke:var(--accent-3);stroke-width:3;marker-end:url(#nr-arrow-green)}.nr-stair{fill:none;stroke:var(--accent);stroke-width:3}.nr-stair-dot{fill:var(--accent-2)}
@media(max-width:1180px){.nr-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.nr-top-grid{grid-template-columns:1fr}}
@media(max-width:980px){.nr-lab-shell,.nr-hero{grid-template-columns:1fr}.nr-controls{position:static}.nr-foundation-grid,.nr-boundary-grid{grid-template-columns:1fr}.nr-hero-copy :is(h1,h2){max-width:22ch}}
@media(max-width:640px){.nr-metrics,.nr-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nr-panel{padding:.65rem}.nr-panel-head{display:grid}.nr-readout{text-align:left}.nr-controls{padding:.85rem}.nr-panel svg{aspect-ratio:1.42}.nr-note p{display:block;margin:.35rem 0 0}.nr-mini-grid{grid-template-columns:1fr}}
@media(max-width:380px){.nr-metrics,.nr-check-grid,.nr-presets div{grid-template-columns:1fr}.nr-control-head{display:grid}.nr-status{text-align:left;max-width:none}}
.nr-controls,.nr-stage,.nr-panel,.nr-metrics,.nr-top-grid,.nr-foundation-grid,.nr-boundary-grid,.nr-hero{min-width:0;max-width:100%}.nr-control-head>*{min-width:0}.nr-control-head strong,.nr-status{overflow-wrap:anywhere}.nr-assumption .mono{white-space:normal;overflow-wrap:anywhere}