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.dark .hero-demo{--demo-idle-border:#334155;--demo-idle-background:#0f172a;--demo-idle-text:#94a3b8;--demo-selected-background:#172554;--demo-selected-text:#93c5fd;--demo-correct-background:#052e16;--demo-correct-text:#86efac}@keyframes demo-answer{0%,28%{border-color:var(--demo-idle-border,#e2e8f0);background:var(--demo-idle-background,white);color:var(--demo-idle-text,#64748b)}42%,58%{background:var(--demo-selected-background,#eff6ff);color:var(--demo-selected-text,#1d4ed8);border-color:#3b82f6}72%,to{background:var(--demo-correct-background,#f0fdf4);color:var(--demo-correct-text,#166534);border-color:#22c55e}}@keyframes demo-confirm{0%,60%{opacity:0;transform:translateY(5px)}78%,to{opacity:1;transform:translateY(0)}}@keyframes demo-progress{0%,72%{transform:scaleX(.6)}to{transform:scaleX(1)}}.hero-demo-answer{background:var(--demo-correct-background,#f0fdf4);color:var(--demo-correct-text,#166534);border-color:#22c55e}.hero-demo-progress,.study-path-connector{transform-origin:0}@media (prefers-reduced-motion:no-preference){.hero-demo-answer{animation:3.6s both demo-answer}.hero-demo-check,.hero-demo-feedback{animation:3.6s both demo-confirm}.hero-demo-progress{animation:3.6s both demo-progress}.hero-demo:not([data-playing=true]) .hero-demo-answer,.hero-demo:not([data-playing=true]) .hero-demo-check,.hero-demo:not([data-playing=true]) .hero-demo-feedback,.hero-demo:not([data-playing=true]) .hero-demo-progress{animation-play-state:paused}.study-path-connector{transform:scaleX(0)}.reveal.is-visible .study-path-connector{animation:.26s ease-out both fill-topic-bar}}@media (prefers-reduced-motion:reduce){.study-path-step,.study-path-panel,.study-path-task,.study-path-progress-fill{opacity:1;animation:none;transform:none}}