.eduai{--blue-50:#eaf3fd;--blue-100:#cfe3fb;--blue-200:#9cc5f5;--blue-300:#5fa0ee;--blue-400:#2b7fe2;--blue-500:#066ccd;--blue-600:#055bb0;--blue-700:#064a8f;--blue-800:#093e74;--blue-900:#0b3460;--navy-900:#0a1f3c;--navy-800:#0d2a52;--navy-700:#103466;--gold-50:#fff7e6;--gold-100:#ffe6b8;--gold-200:#ffe6b8;--gold-400:#ffc733;--gold-500:#f7b918;--gold-600:#e0a306;--teal-500:#00b4d8;--ai-quiz:#00b4d8;--ai-quiz-soft:#d8f4fb;--ai-flash:#f7b918;--ai-flash-soft:#fdf0cf;--ai-lesson:#e63946;--ai-lesson-soft:#fce0e2;--ai-curric:#7b2d8b;--ai-curric-soft:#f0e2f3;--ai-guide:#2dc653;--ai-guide-soft:#d9f6e2;--ai-homework:#f97316;--ai-homework-soft:#ffe7d3;--ai-homework-tint:#fff4ec;--surface:#fff;--surface-warm:#f8f9fa;--surface-warm-2:#f1f4f8;--bg-mesh-from:#0a1f3c;--bg-mesh-mid:#064a8f;--bg-mesh-to:#0a6e86;--gray-50:#f8f9fa;--gray-100:#f1f3f5;--gray-200:#e5e8ec;--gray-300:#d3d8df;--gray-400:#9aa3b0;--gray-500:#6b7480;--gray-600:#4a5568;--gray-700:#374151;--gray-800:#232b39;--ink:#1a1a2e;--ink-body:#4a5568;--ink-muted:#9aa3b0;--ok-bg:#dcfce7;--ok-fg:#15803d;--warn-bg:#fef3c7;--warn-fg:#b45309;--info-bg:#dbeafe;--info-fg:#1d4ed8;--r-sm:10px;--r:14px;--r-lg:18px;--r-xl:22px;--r-full:9999px;--sh-card:0 4px 24px #10204214;--sh-hover:0 12px 40px #10204229;--sh-soft:0 2px 10px #1020420f;--sh-glow-blue:0 0 0 4px #066ccd24;--sh-glow-gold:0 0 24px #f7b91873;--font-ui:var(--font-sans), "Plus Jakarta Sans", system-ui, sans-serif;--ease:cubic-bezier(.22, 1, .36, 1);font-family:var(--font-ui);color:var(--ink-body);background:var(--surface-warm);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}.eduai *,.eduai :before,.eduai :after{box-sizing:border-box}.eduai h1,.eduai h2,.eduai h3,.eduai h4{font-family:var(--font-display);color:var(--ink);letter-spacing:-.02em;margin:0}.eduai p{margin:0}.eduai a{color:inherit;text-decoration:none}.eduai button{font-family:var(--font-ui)}.eduai .spark{display:inline-block}.eduai .mva-card{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-card);border:1px solid #1020420f}.eduai .mva-chip{border-radius:var(--r-full);font-size:12px;font-weight:600;font-family:var(--font-ui);background:var(--surface-warm-2);color:var(--ink-body);border:1px solid var(--gray-200);align-items:center;gap:6px;padding:5px 11px;display:inline-flex}@keyframes mvaFadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes mvaRise{0%{transform:translateY(14px)}to{transform:translateY(0)}}@keyframes mvaFadeIn{0%{opacity:0}to{opacity:1}}@keyframes mvaPop{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes mvaShimmer{0%{background-position:-300% 0}to{background-position:300% 0}}@keyframes mvaPulseGlow{0%,to{box-shadow:0 0 #f7b91800}50%{box-shadow:0 0 0 8px #f7b9181f}}@keyframes mvaFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes mvaSpinSlow{to{transform:rotate(360deg)}}@keyframes hwScan{0%{transform:translateY(0)}50%{transform:translateY(min(60vw,280px))}to{transform:translateY(0)}}.eduai .hw{--ac:#f97316;--ac-soft:#fee3d0;--ac-tint:#fff5ef;--ac-ink:#954a19;--ac-deep:#c55e18;--ac-shadow:#f973164d}.eduai .hw .katex-display{margin:0!important}.eduai .hw .katex-display>.katex{white-space:normal}.eduai .hw .katex{font-size:1em}.eduai .hw .hw-tile{transition:transform .16s var(--ease), box-shadow .16s var(--ease), border-color .16s var(--ease)}.eduai .hw .hw-tile:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--ac)!important}.eduai .hw input[type=range]{border-radius:9999px;height:6px}@media (max-width:760px){.eduai .hw .hw-examples{grid-template-columns:repeat(2,1fr)!important}}@media (max-width:460px){.eduai .hw .hw-examples{grid-template-columns:1fr!important}}.eduai .cta{transition:transform .16s var(--ease), filter .2s var(--ease), box-shadow .2s var(--ease);white-space:nowrap}.eduai .cta:hover{filter:brightness(1.04);transform:translateY(-2px)}.eduai .cta:active{transform:scale(.97)}.eduai .lift{transition:transform .25s var(--ease), box-shadow .25s var(--ease)}.eduai .lift:hover{box-shadow:var(--sh-hover);transform:translateY(-5px)}.eduai .price-card{transition:transform .22s var(--ease), box-shadow .22s var(--ease)}.eduai.reveal-on .erev{opacity:0;will-change:transform, opacity;transition:opacity .72s var(--ease), transform .72s var(--ease)}.eduai.reveal-on .erev.r-up{transform:translateY(40px)}.eduai.reveal-on .erev.r-down{transform:translateY(-34px)}.eduai.reveal-on .erev.r-left{transform:translate(-54px)}.eduai.reveal-on .erev.r-right{transform:translate(54px)}.eduai.reveal-on .erev.r-scale{transform:scale(.92)}.eduai.reveal-on .erev.is-in{opacity:1;transform:none}.eduai .flip3d{perspective:1600px}.eduai .flip3d-inner{width:100%;height:100%;transition:transform .62s var(--ease);transform-style:preserve-3d;cursor:pointer;position:relative}.eduai .flip3d.flipped .flip3d-inner{transform:rotateY(180deg)}.eduai .flip3d-face{backface-visibility:hidden;flex-direction:column;display:flex;position:absolute;inset:0}.eduai .flip3d-back{transform:rotateY(180deg)}.eduai .spin-dot{border:2px solid #fff6;border-top-color:#fff;border-radius:9999px;width:14px;height:14px;animation:.7s linear infinite mvaSpinSlow;display:inline-block}.eduai .floatcard{will-change:transform}@media (prefers-reduced-motion:reduce){.eduai.reveal-on .erev{opacity:1!important;transform:none!important}.eduai .flip3d-inner{transition-duration:.001ms}.eduai *{animation-duration:.001ms!important;animation-iteration-count:1!important}}@media (max-width:900px){.eduai .hide-sm{display:none!important}.eduai .hero-grid{grid-template-columns:1fr!important;gap:28px!important}.eduai .hero-grid .erev.r-right{height:380px!important}.eduai .story-grid{grid-template-columns:1fr!important;gap:32px!important}.eduai .story-grid>div{order:unset!important}.eduai .persona-grid,.eduai .pricing-grid{grid-template-columns:1fr!important}.eduai .subject-grid{grid-template-columns:1fr 1fr!important}.eduai .faq-grid{grid-template-columns:1fr!important}}@media (max-width:560px){.eduai .subject-grid{grid-template-columns:1fr!important}}