:root{--ink:#203d38;--muted:#6d7f79;--paper:#fffaf0;--cream:#f2ecdf;--coral:#e98363;--gold:#f1bd45;--green:#a8cdb7;--deep:#173f3a;--blue:#6da8a5}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream)}button{font:inherit}.app{height:100vh;display:grid;grid-template-rows:70px 1fr}header{display:flex;align-items:center;justify-content:space-between;padding:0 3vw;background:#faf5eb;border-bottom:1px solid #ddd7ca}.brand{display:flex;align-items:center;gap:10px}.brand>i{width:34px;height:34px;display:grid;place-items:center;border-radius:50% 50% 50% 12px;background:var(--coral);color:#fff;font:italic 20px Georgia}.brand b{font-size:13px;letter-spacing:.18em;display:block}.brand small{font-size:9px;color:var(--muted)}.disclaimer{font-size:9px;color:#8d9894;letter-spacing:.13em}.sound{border:1px solid 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@keyframes flow{0%{transform:translate(-80px,80px)}50%{transform:translate(430px,-40px)}100%{transform:translate(930px,-130px)}}@keyframes diffuse{0%{opacity:0;transform:translateY(20px)}30%,70%{opacity:1}100%{opacity:0;transform:translate(60px,-65px)}}@keyframes neutronFall{0%{transform:translate(0,-30px)}100%{transform:translate(-210px,430px)}}@keyframes capture{0%,12%{transform:translate(0)}56%{transform:translate(255px,-28px) scale(1)}70%,100%{transform:translate(275px,-28px) scale(.15);opacity:0}}@keyframes captureRing{0%,53%{opacity:0;transform:translate(-50%,-50%) scale(.2)}61%{opacity:1}72%{opacity:0;transform:translate(-50%,-50%) scale(8)}}@keyframes boronChange{0%,58%{transform:scale(1)}65%{transform:scale(1.22);filter:brightness(1.35)}72%,86%{transform:scale(1.08);filter:brightness(1.15)}92%,100%{opacity:0;transform:scale(.6)}}@keyframes heOut{0%,76%{opacity:0;transform:none}79%{opacity:1}100%{opacity:1;transform:translate(-260px,115px)}}@keyframes liOut{0%,76%{opacity:0;transform:none}79%{opacity:1}100%{opacity:1;transform:translate(230px,-105px)}}@keyframes trackShow{0%,78%{opacity:0;width:0}82%,100%{opacity:1;width:230px}}@keyframes impact{0%{opacity:1;transform:scale(.3)}100%{opacity:0;transform:scale(2.8)}}
@media(max-width:900px){main{grid-template-columns:42% 58%}.copy-panel{padding:3vh 3vw}.copy h1{font-size:34px}.lead{font-size:12px}.science{display:none}.visual-top .legend{display:none}.micro-cell{transform:scale(.75)}.disclaimer{display:none}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important}}

/* V4 continuous vasculature and cinematic reaction overrides */
.vessels path{fill:none;stroke-linecap:round;stroke-linejoin:round}.vascular-shadow{stroke:#a7544d;stroke-width:54;opacity:.22}.vascular-main{stroke:#db8e7f;stroke-width:37}.capillary{stroke:#e39a8d;stroke-width:18}.machine{left:50%;right:auto;top:-8px;width:250px;height:118px;transform:translate(-50%,-90px)}.machine .arm{left:50%;right:auto;top:0;width:42px;height:50px;transform:translateX(-50%);border-radius:0 0 15px 15px}.machine .head{left:50%;top:35px;width:132px;height:72px;transform:translateX(-50%);border-radius:34px 34px 13px 13px}.machine .head i{width:70px}.beam{left:11%;right:11%;top:92px;width:auto;height:calc(100% - 95px);clip-path:polygon(39% 0,61% 0,100% 100%,0 100%)}.step2 .machine,.step3 .machine{transform:translate(-50%,0)}.step2 .vessels,.step3 .vessels{opacity:.36}.step3 .micro-overlay{animation:zoomOverlay 15s ease forwards}.energy-core{position:absolute;right:calc(25% + 29px);top:calc(29% + 29px);width:20px;height:20px;border-radius:50%;background:#fff5b4;opacity:0;box-shadow:0 0 40px 18px #ffc75b}.micro-overlay.play .energy-core{animation:energyBurst 12s ease forwards}.cell-cracks{position:absolute;inset:5%;opacity:0;background:repeating-conic-gradient(transparent 0 19deg,#fff5 20deg 21deg);clip-path:polygon(49% 0,54% 42%,100% 49%,57% 55%,51% 100%,45% 58%,0 51%,42% 45%)}.micro-overlay.play .cell-cracks{animation:crackCell 12s ease forwards}.micro-overlay.play .micro-cell{animation:damageCell 15s ease forwards}@keyframes neutronFall{0%{transform:translateY(-35px)}100%{transform:translateY(470px)}}@keyframes zoomOverlay{0%,8%{opacity:0;transform:scale(.55)}15%,82%{opacity:1;transform:scale(1)}92%,100%{opacity:0;transform:scale(.58)}}@keyframes energyBurst{0%,74%{opacity:0;transform:scale(.2)}77%{opacity:1;transform:scale(4)}83%,100%{opacity:0;transform:scale(10)}}@keyframes crackCell{0%,82%{opacity:0}88%,100%{opacity:1}}@keyframes damageCell{0%,82%{filter:none;transform:scale(1)}90%,100%{filter:saturate(.35) brightness(.82);transform:scale(.96)}}