.scene[data-astro-cid-5hngfbug]{height:var(--sh);border-radius:var(--radius-lg);isolation:isolate;border:1px solid var(--line);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.scene--h100[data-astro-cid-5hngfbug]{--sh:100px}.scene--h120[data-astro-cid-5hngfbug]{--sh:120px}.scene--h140[data-astro-cid-5hngfbug]{--sh:140px}.scene--h160[data-astro-cid-5hngfbug]{--sh:160px}.scene--h180[data-astro-cid-5hngfbug]{--sh:180px}.scene--h200[data-astro-cid-5hngfbug]{--sh:200px}.scene--h220[data-astro-cid-5hngfbug]{--sh:220px}.scene--h240[data-astro-cid-5hngfbug]{--sh:240px}.scene--h260[data-astro-cid-5hngfbug]{--sh:260px}.scene--h280[data-astro-cid-5hngfbug]{--sh:280px}.scene--h300[data-astro-cid-5hngfbug]{--sh:300px}.scene--h320[data-astro-cid-5hngfbug]{--sh:320px}.scene--h340[data-astro-cid-5hngfbug]{--sh:340px}.scene--h360[data-astro-cid-5hngfbug]{--sh:360px}.scene--h380[data-astro-cid-5hngfbug]{--sh:380px}.scene--h400[data-astro-cid-5hngfbug]{--sh:400px}.scene--h420[data-astro-cid-5hngfbug]{--sh:420px}.i0[data-astro-cid-5hngfbug]{--i:0}.i1[data-astro-cid-5hngfbug]{--i:1}.i2[data-astro-cid-5hngfbug]{--i:2}.i3[data-astro-cid-5hngfbug]{--i:3}.i4[data-astro-cid-5hngfbug]{--i:4}.i5[data-astro-cid-5hngfbug]{--i:5}.i6[data-astro-cid-5hngfbug]{--i:6}.i7[data-astro-cid-5hngfbug]{--i:7}.i8[data-astro-cid-5hngfbug]{--i:8}.i9[data-astro-cid-5hngfbug]{--i:9}.i10[data-astro-cid-5hngfbug]{--i:10}.i11[data-astro-cid-5hngfbug]{--i:11}.i12[data-astro-cid-5hngfbug]{--i:12}.i13[data-astro-cid-5hngfbug]{--i:13}.i14[data-astro-cid-5hngfbug]{--i:14}.i15[data-astro-cid-5hngfbug]{--i:15}.scene__gradient[data-astro-cid-5hngfbug],.scene__grade[data-astro-cid-5hngfbug],.scene__scrim[data-astro-cid-5hngfbug],.scene__vignette[data-astro-cid-5hngfbug]{position:absolute;inset:0}.scene__slot[data-astro-cid-5hngfbug]{z-index:3;justify-content:center;align-items:flex-end;height:100%;display:flex;position:relative}.scene[data-astro-cid-5hngfbug][data-scene=city] .scene__gradient[data-astro-cid-5hngfbug]{background:linear-gradient(160deg,#1a1040 0%,#2d1b69 50%,#4a208a 100%)}.scene[data-astro-cid-5hngfbug][data-scene=space] .scene__gradient[data-astro-cid-5hngfbug]{background:linear-gradient(160deg,#0a0612 0%,#150d2e 50%,#1f1444 100%)}.scene[data-astro-cid-5hngfbug][data-scene=forest] .scene__gradient[data-astro-cid-5hngfbug]{background:linear-gradient(160deg,#0f2020 0%,#1a4a3a 50%,#1f6b4a 100%)}.scene[data-astro-cid-5hngfbug][data-scene=library] .scene__gradient[data-astro-cid-5hngfbug]{background:linear-gradient(160deg,#2a1f0e 0%,#5c4033 50%,#8b6b4a 100%)}.scene[data-astro-cid-5hngfbug][data-scene=lab] .scene__gradient[data-astro-cid-5hngfbug]{background:linear-gradient(160deg,#0f1a30 0%,#1f2d5a 50%,#2e4080 100%)}.scene[data-astro-cid-5hngfbug][data-scene=none] .scene__gradient[data-astro-cid-5hngfbug]{background:var(--surface-2)}.scene[data-astro-cid-5hngfbug][data-scene=city] .scene__grade[data-astro-cid-5hngfbug]{mix-blend-mode:multiply;background:linear-gradient(#140e3a2e,#0a061eeb 100%)}.scene[data-astro-cid-5hngfbug][data-scene=space] .scene__grade[data-astro-cid-5hngfbug]{mix-blend-mode:multiply;background:linear-gradient(#0a082d38,#08051ef0 100%)}.scene[data-astro-cid-5hngfbug][data-scene=forest] .scene__grade[data-astro-cid-5hngfbug]{mix-blend-mode:multiply;background:linear-gradient(#143c2826,#0a2218eb 100%)}.scene[data-astro-cid-5hngfbug][data-scene=library] .scene__grade[data-astro-cid-5hngfbug]{mix-blend-mode:multiply;background:linear-gradient(#3c280a26,#201408eb 100%)}.scene[data-astro-cid-5hngfbug][data-scene=lab] .scene__grade[data-astro-cid-5hngfbug]{mix-blend-mode:multiply;background:linear-gradient(#1e32782e,#0c0828eb 100%)}.scene[data-astro-cid-5hngfbug][data-scene=none] .scene__grade[data-astro-cid-5hngfbug]{display:none}.scene__scrim[data-astro-cid-5hngfbug]{background:radial-gradient(75% 60% at 50% 88%,#ffffff24,#0000 60%)}.scene__particles[data-astro-cid-5hngfbug]{z-index:2;pointer-events:none;position:absolute;inset:0;overflow:hidden}.scene__particles[data-astro-cid-5hngfbug] span[data-astro-cid-5hngfbug]{width:5px;height:5px;bottom:-12px;left:calc(var(--i) * 6.7% - 2px);filter:blur(.5px);opacity:0;animation:rise var(--d,9s) linear infinite;animation-delay:calc(var(--i) * -.65s);background:#ffffffb3;border-radius:50%;position:absolute}.scene__particles[data-astro-cid-5hngfbug] span[data-astro-cid-5hngfbug]:nth-child(odd){background:#f7c948cc}.scene__particles[data-astro-cid-5hngfbug] span[data-astro-cid-5hngfbug]:nth-child(3n){background:#7c5cf0cc}@keyframes rise{0%{opacity:0;transform:translateY(0)}12%{opacity:.9}to{transform:translateY(calc(-1 * var(--sh)));opacity:0}}.scene__vignette[data-astro-cid-5hngfbug]{z-index:2;pointer-events:none;background:radial-gradient(120% 100% at 50% 42%,#0000 58%,#0604128c 100%)}@media (prefers-reduced-motion:reduce){.scene__particles[data-astro-cid-5hngfbug] span[data-astro-cid-5hngfbug]{opacity:.5;animation:none}}.learner-activity[hidden]{display:none}.learner-activity{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);color:var(--ink-soft);flex-wrap:wrap;align-items:center;gap:.5rem;margin-block:1.25rem 2rem;padding:1rem 1.25rem;font-size:.85rem;display:flex}.learner-activity__dot{background:var(--success);border-radius:50%;flex-shrink:0;width:7px;height:7px;animation:2s ease-in-out infinite learner-pulse}.learner-activity__count{color:var(--ink);font-weight:700}@keyframes learner-pulse{0%,to{opacity:1}50%{opacity:.4}}@media (width<=640px){.learner-activity{margin-block:1rem 1.5rem;padding:1.15rem}}