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var(--border);position:relative;overflow:hidden}.exercise-anim:before{content:"SLOW-MO · DEMO";left:12px;letter-spacing:.18em;color:var(--text-3)}.exercise-anim-label,.exercise-anim:before{position:absolute;top:10px;font-family:var(--font-mono);font-size:.58rem;z-index:1}.exercise-anim-label{right:12px;letter-spacing:.12em;color:var(--cyan);opacity:.6;text-transform:uppercase}.exercise-anim-muscles{position:absolute;bottom:48px;right:10px;display:flex;flex-direction:column;gap:3px;z-index:1}.muscle-tag{font-family:var(--font-mono);font-size:.54rem;letter-spacing:.08em;color:var(--cyan);background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.2);padding:2px 6px;text-transform:uppercase;opacity:.85}.exercise-anim-cue{display:flex;align-items:center;gap:.6rem;padding:.65rem 1rem;border-top:1px solid var(--border);font-size:.77rem;color:var(--text-2);font-family:var(--font-mono);background:rgba(0,0,0,.2)}.anim-dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 8px var(--cyan);flex-shrink:0;animation:pulse 1.6s infinite}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-3)}.empty-state .empty-icon{font-size:3rem;margin-bottom:1rem}.empty-state h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--text-2)}.empty-state p{font-size:.9rem;margin-bottom:1.5rem}.anatomy-section{height:400vh;position:relative}.anatomy-sticky{position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}.anatomy-bg-glow{position:absolute;inset:0;background:radial-gradient(ellipse 50% 60% at 50% 50%,rgba(0,212,255,.06),transparent 70%),radial-gradient(ellipse 40% 50% at 50% 60%,rgba(124,58,237,.05),transparent 70%);pointer-events:none}.anatomy-header{position:absolute;top:12vh;left:50%;translate:-50% 0;text-align:center;z-index:3;width:min(90vw,640px)}.anatomy-header h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.1}.anatomy-header p{color:var(--text-3);margin-top:1rem;font-size:.95rem}.anatomy-stage{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1.25rem;perspective:1200px}.anatomy-rotator{transform-style:preserve-3d;will-change:transform;position:relative}.anatomy-svg{height:min(68vh,620px);width:auto;display:block;-webkit-backface-visibility:visible;backface-visibility:visible}.anatomy-cross-plane{position:absolute;inset:0;transform:rotateY(90deg)}.anatomy-readout{display:flex;align-items:center;gap:.75rem;background:rgba(10,10,20,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-2);border-radius:0;padding:.5rem 1.25rem;transition:opacity .4s;font-size:.8rem}.readout-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.6s infinite}.readout-label{font-family:var(--font-display);font-weight:700;color:var(--text);letter-spacing:.02em;min-width:120px}.readout-pct{font-family:var(--font-mono);color:var(--text-3);font-size:.72rem}.anatomy-fact{position:absolute;z-index:3;width:min(300px,36vw);background:rgba(8,8,16,.75);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;transition:opacity .5s ease,transform .5s ease}.anatomy-fact.left{left:max(4vw,calc(50% - 560px))}.anatomy-fact.right{right:max(4vw,calc(50% - 560px))}.anatomy-fact .fact-stat{font-family:var(--font-display);font-size:2.25rem;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.6rem}.anatomy-fact .fact-text{font-size:.875rem;color:var(--text-2);line-height:1.6}.anatomy-fact .fact-source{font-size:.68rem;color:var(--text-3);margin-top:.75rem;font-family:var(--font-mono);letter-spacing:.01em}.anatomy-fact .fact-line{position:absolute;top:50%;width:48px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}.anatomy-fact.left .fact-line{right:-48px}.anatomy-fact.right .fact-line{left:-48px;transform:scaleX(-1)}.anatomy-cta{position:absolute;z-index:4;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.75rem;background:radial-gradient(ellipse 60% 50% at 50% 50%,rgba(5,5,10,.88),rgba(5,5,10,.5));transition:opacity .5s}.anatomy-cta h3{font-size:clamp(1.6rem,3.5vw,2.5rem);text-align:center}.anatomy-rail{position:absolute;right:2rem;top:50%;translate:0 -50%;width:2px;height:30vh;background:var(--surface-3);border-radius:2px;z-index:3}.anatomy-rail-fill{width:100%;background:linear-gradient(to bottom,var(--cyan),var(--purple));border-radius:2px;box-shadow:0 0 8px rgba(0,212,255,.5)}@media (max-width:900px){.anatomy-fact{display:none}.anatomy-rail{right:1rem}.anatomy-svg{height:56vh}}