@property --et-g1{syntax:"<color>";inherits:true;initial-value:#8f9cf7}@property --et-g2{syntax:"<color>";inherits:true;initial-value:#c9b3f5}.edtech-case[data-astro-cid-pr64pldb]{--et-ease:cubic-bezier(.22,1,.36,1);--et-pin-h:min(calc(100svh - 96px),780px);--et-pin-top:calc((100svh + 68px - var(--et-pin-h)) / 2);--et-ink:#17191f;--et-muted:#5b6172;--et-soft:#767c8c;--et-line:#17191f17;--et-frame:linear-gradient(150deg,#4a4d5c,#15161e 32%,#0c0d13 70%,#2a2c38);color:var(--et-ink);margin-bottom:56px;position:relative}.et-topline[data-astro-cid-pr64pldb],.et-track[data-astro-cid-pr64pldb]{z-index:1;position:relative}.et-topline[data-astro-cid-pr64pldb]{border-bottom:1px solid var(--et-line);color:var(--et-soft);justify-content:space-between;align-items:center;gap:16px;padding:16px 0;font-size:13px;display:flex}.et-wordmark[data-astro-cid-pr64pldb]{color:var(--et-ink);font-size:14px;font-weight:600}.et-track[data-astro-cid-pr64pldb]{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);column-gap:5%;display:grid}.et-step[data-astro-cid-pr64pldb]{grid-column:1;align-items:center;min-height:56svh;display:flex;position:relative}.et-intro[data-astro-cid-pr64pldb]{min-height:var(--et-pin-h);padding-top:40px}.et-step[data-astro-cid-pr64pldb]:last-of-type{min-height:calc(var(--et-pin-h) + 40svh)}.et-step-body[data-astro-cid-pr64pldb]{width:100%;opacity:calc(.1 + var(--v,1) * .9);transform:translateY(var(--shift,0px))}.et-title[data-astro-cid-pr64pldb]{align-items:center;gap:.32em;display:flex}.et-title[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb]{border-radius:24%;flex:none;width:1.05em;height:1.05em;box-shadow:0 8px 20px #1a1f3a2e}h3[data-astro-cid-pr64pldb]{color:var(--et-ink);letter-spacing:-.05em;margin:0;font-size:clamp(40px,4.6vw,60px);font-weight:500;line-height:1.04}.et-tagline[data-astro-cid-pr64pldb]{color:#3b4fd8;margin:10px 0 22px;font-family:Instrument Serif,Georgia,serif;font-size:clamp(24px,2.4vw,31px);font-style:italic;line-height:1.2}.et-description[data-astro-cid-pr64pldb]{color:var(--et-muted);max-width:470px;margin-bottom:24px;font-size:16px;line-height:1.75}.et-built[data-astro-cid-pr64pldb]{margin-bottom:26px}.et-built-label[data-astro-cid-pr64pldb]{color:var(--et-soft);margin-bottom:10px;font-size:13px;font-weight:500}.et-stack[data-astro-cid-pr64pldb]{flex-wrap:wrap;gap:8px;max-width:480px;display:flex}.et-stack[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb]{color:#2c313c;background:#fff;border:1px solid #17191f17;border-radius:999px;align-items:center;gap:7px;padding:7px 12px;font-size:13px;display:inline-flex}.et-stores[data-astro-cid-pr64pldb]{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.et-stats[data-astro-cid-pr64pldb]{border-top:1px solid var(--et-line);gap:clamp(22px,3.6vw,48px);max-width:470px;margin:32px 0 0;padding-top:22px;display:flex}.et-stats[data-astro-cid-pr64pldb] div[data-astro-cid-pr64pldb]{flex-direction:column-reverse;gap:5px;display:flex}.et-stats[data-astro-cid-pr64pldb] dd[data-astro-cid-pr64pldb]{letter-spacing:-.05em;color:var(--et-ink);font-variant-numeric:tabular-nums;margin:0;font-size:clamp(28px,2.8vw,36px);font-weight:500}.et-stats[data-astro-cid-pr64pldb] dt[data-astro-cid-pr64pldb]{color:var(--et-soft);font-size:13px}.et-hint[data-astro-cid-pr64pldb]{color:var(--et-soft);align-items:center;gap:8px;margin-top:28px;font-size:13px;display:flex}.et-hint[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]{font-style:normal;animation:2.4s ease-in-out infinite et-nudge}.et-step-label[data-astro-cid-pr64pldb]{color:var(--et-muted);align-items:center;gap:12px;margin-bottom:16px;font-size:14px;font-weight:500;display:flex}.et-step-label[data-astro-cid-pr64pldb]>span[data-astro-cid-pr64pldb]:first-child{color:#3b4fd8;font-variant-numeric:tabular-nums}.et-step-label[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]{background:#17191f2e;width:28px;height:1px}h4[data-astro-cid-pr64pldb]{margin:0}.et-step[data-astro-cid-pr64pldb] h4[data-astro-cid-pr64pldb]{color:var(--et-ink);letter-spacing:-.05em;max-width:440px;margin-bottom:16px;font-size:clamp(30px,3.4vw,46px);font-weight:500;line-height:1.08}.et-step-text[data-astro-cid-pr64pldb]{color:var(--et-muted);max-width:400px;font-size:16px;line-height:1.7}.et-stage[data-astro-cid-pr64pldb]{top:var(--et-pin-top);height:var(--et-pin-h);grid-area:1/2/span 6;align-self:start;position:sticky}.et-canvas[data-astro-cid-pr64pldb]{--a:1;--f:0;--p:0;--et-g1:#8f9cf7;--et-g2:#c9b3f5;--w:calc(min(44cqw,46cqh) * var(--et-phone-scale,1));perspective:1300px;transition:--et-g1 1.4s,--et-g2 1.4s;position:absolute;inset:0;container-type:size}.et-canvas[data-astro-cid-pr64pldb][data-chapter="2"]{--et-g1:#5a4ee0;--et-g2:#7aa2f7}.et-canvas[data-astro-cid-pr64pldb][data-chapter="3"]{--et-g1:#9a6bd8;--et-g2:#8fb7f5}.et-canvas[data-astro-cid-pr64pldb][data-chapter="4"]{--et-g1:#6fb6ee;--et-g2:#b8c8f8}.et-canvas[data-astro-cid-pr64pldb][data-chapter="5"]{--et-g1:#4a45d0;--et-g2:#7fb0f0}.et-glow[data-astro-cid-pr64pldb]{aspect-ratio:1;background:radial-gradient(circle at 34% 36%,var(--et-g1),transparent 58%),radial-gradient(circle at 68% 66%,var(--et-g2),transparent 56%);filter:blur(46px);opacity:.38;border-radius:50%;width:min(96cqw,82cqh);animation:9s ease-in-out infinite et-breathe;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.et-rings[data-astro-cid-pr64pldb]{aspect-ratio:1;width:min(118cqw,98cqh);transform:translate(-50%,calc(-50% + var(--a) * 9%)) scale(calc(1 - var(--a) * .1));position:absolute;top:50%;left:50%}.et-rings[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]{border:1px solid #3b4fd82e;border-radius:50%;animation:38s linear infinite et-spin;position:absolute;inset:0}.et-rings[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]:last-child{border-style:dashed;border-color:#3b4fd83d;animation-duration:54s;animation-direction:reverse;inset:14%}.et-rings[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]:after{content:"";background:#3b4fd8;border-radius:50%;width:10px;height:10px;margin-left:-5px;position:absolute;top:-5px;left:50%;box-shadow:0 0 14px #3b82f6}.et-numerals[data-astro-cid-pr64pldb]{letter-spacing:-.07em;color:#0000;-webkit-text-stroke:1px #2027312e;font-variant-numeric:tabular-nums;width:60cqw;height:30cqh;font-size:30cqh;font-weight:500;line-height:1;position:absolute;top:3cqh;left:0;overflow:hidden}.et-numerals[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb]{opacity:0;transition:opacity .7s ease,transform .9s var(--et-ease);position:absolute;top:0;left:0;transform:translateY(60%)}.et-numerals[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb].is-past{transform:translateY(-60%)}.et-numerals[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb].is-active{opacity:1;transform:none}.et-phones[data-astro-cid-pr64pldb]{transform-style:preserve-3d;position:absolute;inset:0}.et-phone[data-astro-cid-pr64pldb]{width:var(--w);aspect-ratio:1008/2000;filter:drop-shadow(0 28px 30px #2a314440);will-change:transform;position:absolute;top:50%;left:50%}.et-screen[data-astro-cid-pr64pldb]{background:#1b1d2b;border-radius:12.9%/5.97%;width:84.33%;height:92.1%;position:absolute;top:3.95%;left:7.84%;overflow:hidden}.et-screen[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb].et-screen-reel{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.et-rive[data-astro-cid-pr64pldb]{background:#fff}.et-screen[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb].et-rive-video{width:100%;height:auto;position:absolute;top:50%;left:0;transform:translateY(-50%)}.et-rive-caption[data-astro-cid-pr64pldb]{z-index:1;text-align:center;justify-items:center;gap:7px;display:grid;position:absolute;bottom:7%;left:0;right:0}.et-rive-caption[data-astro-cid-pr64pldb] strong[data-astro-cid-pr64pldb]{color:#17191f;letter-spacing:-.02em;font-size:clamp(11px,1.5cqw,16px);font-weight:650}.et-made[data-astro-cid-pr64pldb]{color:#4a5060;background:#f4f5f9;border:1px solid #17191f14;border-radius:999px;align-items:center;gap:5px;padding:4px 10px 4px 7px;font-size:clamp(9px,1.05cqw,11.5px);font-weight:500;display:inline-flex}.et-screen[data-astro-cid-pr64pldb] .et-made[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb]{object-fit:contain;flex:none;width:1.15em;height:1.15em}.et-dev-badge[data-astro-cid-pr64pldb]{z-index:1;color:#fff;white-space:nowrap;background:#3b4fd8;border-radius:999px;padding:5px 12px;font-size:clamp(9px,1.1cqw,12px);font-weight:600;position:absolute;top:9%;left:50%;transform:translate(-50%);box-shadow:0 6px 14px -6px #3b4fd8}.et-frame[data-astro-cid-pr64pldb]{pointer-events:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.et-screen[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb]{object-fit:cover;user-select:none;width:100%;height:100%;display:block}.et-phone-main[data-astro-cid-pr64pldb]{z-index:5;transform:translate(-50%,-50%) translateX(calc(56% - var(--f) * 56%)) rotateZ(calc(5deg - var(--f) * 5deg)) scale(calc(1 - var(--f) * .1))}.et-phone-second[data-astro-cid-pr64pldb]{z-index:4;opacity:clamp(0,calc(1 - var(--f) * 2.5),1);transform:translate(-50%,-50%)translate(-56%)translateY(3%)rotate(-6deg)}.et-phone-fan[data-astro-cid-pr64pldb]{z-index:calc(5 - var(--dist));opacity:clamp(0,calc(var(--f) * 3),1);transform:translate(-50%,-50%) translateX(calc(var(--f) * var(--slot) * var(--spread,42%))) translateY(calc(var(--f) * var(--dist) * 3.5%)) rotateZ(calc(var(--f) * var(--slot) * 4deg)) scale(calc(.9 - var(--dist) * .07))}.et-shot[data-astro-cid-pr64pldb]{opacity:0;position:absolute;inset:0}.et-screen[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb].et-shape{object-fit:fill;filter:brightness(1.09)saturate(1.06);-webkit-mask-composite:source-in;pointer-events:none;width:93.22%;height:32.12%;position:absolute;top:24.29%;left:2.54%;-webkit-mask-image:linear-gradient(90deg,#0000,#000 6% 94%,#0000),linear-gradient(#0000,#000 8% 92%,#0000);mask-image:linear-gradient(90deg,#0000,#000 6% 94%,#0000),linear-gradient(#0000,#000 8% 92%,#0000);mask-composite:intersect}.et-shot[data-astro-cid-pr64pldb].is-previous{opacity:1;z-index:1}.et-shot[data-astro-cid-pr64pldb].is-active{opacity:1;z-index:2;animation:.5s cubic-bezier(.22,1,.36,1) both et-zoom-in}.et-phone-second[data-astro-cid-pr64pldb] .et-shot[data-astro-cid-pr64pldb].is-active{animation-delay:80ms}.et-phone[data-astro-cid-pr64pldb]{transition:scale .35s cubic-bezier(.22,1,.36,1);scale:1}.et-phone[data-astro-cid-pr64pldb]:hover{z-index:9;scale:1.1}.et-phone-fan[data-astro-cid-pr64pldb],.et-canvas[data-astro-cid-pr64pldb].is-fanned .et-phone-second[data-astro-cid-pr64pldb]{pointer-events:none}.et-canvas[data-astro-cid-pr64pldb].is-fanned .et-phone-fan[data-astro-cid-pr64pldb]{pointer-events:auto}.et-badge[data-astro-cid-pr64pldb]{z-index:6;backdrop-filter:blur(14px);opacity:clamp(0,calc(var(--a) * 2.4 - 1.2),1);transform:translateY(calc((1 - var(--a)) * 40px));pointer-events:none;background:#ffffffc7;border:1px solid #ffffffb3;border-radius:16px;align-items:center;gap:11px;padding:10px 16px 10px 10px;display:flex;position:absolute;bottom:9cqh;left:0;box-shadow:0 14px 32px #2a314419}.et-badge[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb]{border-radius:9px;width:34px;height:34px}.et-badge[data-astro-cid-pr64pldb] strong[data-astro-cid-pr64pldb]{letter-spacing:-.02em;color:var(--et-ink);font-size:14px;font-weight:600;display:block}.et-badge[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb]{color:var(--et-soft);margin-top:2px;font-size:12px;display:block}.et-rail[data-astro-cid-pr64pldb]{z-index:7;flex-direction:column;display:flex;position:absolute;top:50%;right:-12px;transform:translateY(-50%)}.et-rail-line[data-astro-cid-pr64pldb]{background:#cfccd8;width:1px;margin-left:-.5px;position:absolute;top:12px;bottom:12px;left:50%}.et-rail-line[data-astro-cid-pr64pldb] i[data-astro-cid-pr64pldb]{transform-origin:top;transform:scaleY(var(--p));background:#3b4fd8;position:absolute;inset:0}.et-rail[data-astro-cid-pr64pldb] button[data-astro-cid-pr64pldb]{cursor:pointer;background:0 0;border:0;place-items:center;width:24px;height:24px;padding:0;display:grid;position:relative}.et-rail[data-astro-cid-pr64pldb] button[data-astro-cid-pr64pldb] span[data-astro-cid-pr64pldb]{width:7px;height:7px;transition:transform .5s var(--et-ease),background .4s,border-color .4s;background:#f3f3fa;border:1px solid #b3b0bf;border-radius:50%}.et-rail[data-astro-cid-pr64pldb] button[data-astro-cid-pr64pldb]:hover span[data-astro-cid-pr64pldb]{border-color:#3b4fd8}.et-rail[data-astro-cid-pr64pldb] button[data-astro-cid-pr64pldb][aria-current] span[data-astro-cid-pr64pldb]{background:#3b4fd8;border-color:#3b4fd8;transform:scale(1.45)}.edtech-case[data-astro-cid-pr64pldb] [data-astro-cid-pr64pldb]:is(button,a):focus-visible{outline-offset:4px;outline:2px solid #3b4fd8}.edtech-case[data-astro-cid-pr64pldb].is-idle [data-astro-cid-pr64pldb]:is(.et-glow,.et-rings i,.et-hint i){animation-play-state:paused}.et-js[data-astro-cid-pr64pldb] .et-rise[data-astro-cid-pr64pldb]{opacity:0;transform:translateY(16px)}.et-js[data-astro-cid-pr64pldb] .et-phones[data-astro-cid-pr64pldb]{opacity:0;transform:translateY(46px)scale(.94)}.et-js[data-astro-cid-pr64pldb].is-in .et-rise[data-astro-cid-pr64pldb]{opacity:1;transition:opacity 1s ease calc(var(--d) * 90ms),transform 1.2s var(--et-ease) calc(var(--d) * 90ms);transform:none}.et-js[data-astro-cid-pr64pldb].is-in .et-phones[data-astro-cid-pr64pldb]{opacity:1;transition:opacity 1.1s ease .15s,transform 1.5s var(--et-ease) .15s;transform:none}@keyframes et-zoom-in{0%{opacity:0;transform:scale(1.08)}to{opacity:1;transform:none}}@keyframes et-breathe{50%{opacity:.46;scale:1.08}}@keyframes et-spin{to{rotate:360deg}}@keyframes et-nudge{50%{transform:translateY(4px)}}@media (width<=860px){.edtech-case[data-astro-cid-pr64pldb]{--et-stage-h:46svh;margin-bottom:44px}.et-topline[data-astro-cid-pr64pldb]{font-size:12px}.et-topline[data-astro-cid-pr64pldb]>span[data-astro-cid-pr64pldb]:first-child{display:none}.et-track[data-astro-cid-pr64pldb]{grid-template-columns:minmax(0,1fr)}.et-intro[data-astro-cid-pr64pldb]{grid-row:1;min-height:0;padding:30px 0 34px}.et-hint[data-astro-cid-pr64pldb]{display:none}.et-stage[data-astro-cid-pr64pldb]{height:calc(var(--et-stage-h) + 62px);z-index:2;background:var(--page-background);grid-area:2/1/span 5;top:0}.et-stage[data-astro-cid-pr64pldb]:after{content:"";background:linear-gradient(var(--page-background),transparent);pointer-events:none;height:26px;position:absolute;inset:100% 0 auto}.et-canvas[data-astro-cid-pr64pldb]{--w:calc(min(38cqw,44cqh) * var(--et-phone-scale,1));--spread:38%;inset:62px 0 0}.et-rail[data-astro-cid-pr64pldb]{right:-10px}.et-step[data-astro-cid-pr64pldb]:not(.et-intro){grid-row:var(--row);z-index:1;align-items:flex-start;min-height:48svh;padding-top:38px}.et-step[data-astro-cid-pr64pldb]:nth-of-type(2){min-height:calc(48svh + var(--et-stage-h) + 62px);padding-top:calc(var(--et-stage-h) + 100px)}.et-step[data-astro-cid-pr64pldb]:last-of-type{min-height:44svh}.et-step[data-astro-cid-pr64pldb] h4[data-astro-cid-pr64pldb]{font-size:clamp(28px,8vw,36px)}.et-badge[data-astro-cid-pr64pldb]{padding:8px 13px 8px 8px;bottom:3cqh}.et-badge[data-astro-cid-pr64pldb] img[data-astro-cid-pr64pldb]{width:28px;height:28px}}@media (prefers-reduced-motion:reduce){.edtech-case[data-astro-cid-pr64pldb] [data-astro-cid-pr64pldb]{transition:none!important;animation:none!important}.et-step-body[data-astro-cid-pr64pldb]{opacity:1;transform:none}}.fe-ui{z-index:1000;color:#17191f;flex-direction:column-reverse;align-items:flex-start;gap:10px;font:14px/1.4 Inter,system-ui,sans-serif;display:flex;position:fixed;bottom:16px;left:16px}.fe-toggle{color:#fff;background:#17191f;border:0;border-radius:50%;width:48px;height:48px;font-size:17px;font-weight:600;box-shadow:0 10px 30px -8px #0006}.fe-toggle[aria-pressed=true]{background:#3b4fd8}.fe-panel{background:#fff;border:1px solid #17191f1a;border-radius:16px;width:300px;padding:16px;box-shadow:0 20px 50px -20px #0007}.fe-hint,.fe-count,.fe-media{color:#5b6172;margin:0;font-size:13px}.fe-edit{gap:10px;display:grid}.fe-field{color:#5b6172;gap:4px;font-size:12px;display:grid}.fe-field input{color:#17191f;border:1px solid #d6d8e1;border-radius:8px;padding:8px 10px;font:13px ui-monospace,monospace}.fe-size{align-items:center;gap:8px;display:flex}.fe-size button{background:#f4f5f9;border:1px solid #d6d8e1;border-radius:10px;width:38px;height:38px;font-size:20px}.fe-size input{text-align:center;border:1px solid #d6d8e1;border-radius:8px;width:76px;padding:8px;font-size:15px}.fe-actions{gap:8px;display:flex}.fe-actions button{background:#fff;border:1px solid #d6d8e1;border-radius:10px;padding:9px 14px;font-size:13px}.fe-actions .fe-ok{color:#fff;background:#3b4fd8;border-color:#3b4fd8;font-weight:600}.fe-status{color:#3b4fd8;margin:8px 0 0;font-size:13px}.fe-status:empty{display:none}.fe-on body{cursor:crosshair}.fe-hover{outline-offset:3px;outline:2px dashed #3b4fd8!important}