:root{
  --ink:#172033;
  --muted:#647089;
  --violet:#7057d9;
  --violet2:#9a7df0;
  --blue:#5ba7e8;
  --mint:#6ac8b0;
  --gold:#e8b65c;
  --paper:#fbfaff;
  --line:rgba(63,53,105,.12);
  --glass:rgba(255,255,255,.72);
  --shadow:0 30px 80px rgba(73,58,126,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 5%,rgba(154,125,240,.18),transparent 27rem),
    radial-gradient(circle at 90% 20%,rgba(91,167,232,.14),transparent 28rem),
    linear-gradient(180deg,#fbfaff 0%,#f7f8ff 46%,#fff 100%);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.ambient{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.22}
.orb-a{width:420px;height:420px;background:#b69af5;top:10%;left:-180px}
.orb-b{width:380px;height:380px;background:#8fd6e9;top:38%;right:-170px}
.orb-c{width:340px;height:340px;background:#f4cc8d;bottom:3%;left:30%}

.site-header{
  width:min(1200px,calc(100% - 40px));
  height:82px;margin:auto;
  display:flex;align-items:center;justify-content:space-between;
  position:relative;z-index:20
}
.brand{display:flex;align-items:center;gap:11px;font-size:1.3rem;font-weight:760;letter-spacing:-.03em}
.brand-mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  color:#fff;font-weight:800;
  background:linear-gradient(145deg,var(--violet),var(--blue));
  box-shadow:0 8px 24px rgba(112,87,217,.25)
}
nav{display:flex;align-items:center;gap:27px;font-size:.9rem;color:#4d5870}
.nav-cta{padding:11px 17px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.65)}

.hero{
  width:min(1240px,calc(100% - 40px));min-height:720px;margin:auto;
  display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:40px;padding:40px 0 80px
}
.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.17em;color:var(--violet);margin-bottom:17px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(3.1rem,6vw,5.8rem);line-height:.94;letter-spacing:-.065em;margin-bottom:28px}
h1 span{display:block;background:linear-gradient(100deg,var(--violet),#579ccf);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:650px;font-size:1.15rem;line-height:1.75;color:var(--muted)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:34px 0}
.button{
  display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;
  padding:15px 22px;font-weight:760;cursor:pointer
}
.primary{background:linear-gradient(110deg,var(--violet),#648fdf);color:#fff;box-shadow:0 14px 35px rgba(112,87,217,.24)}
.secondary{background:rgba(255,255,255,.7);border:1px solid var(--line)}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:#6b7487;font-size:.76rem}
.trust-row span:before{content:"✦";color:var(--violet2);margin-right:6px}

.knowledge-world{position:relative;aspect-ratio:1/1;max-width:650px;width:100%;margin:auto}
.world-glow{position:absolute;inset:15%;border-radius:50%;background:radial-gradient(circle,rgba(137,112,226,.22),rgba(104,176,221,.06) 48%,transparent 70%)}
.core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:205px;height:205px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  background:linear-gradient(145deg,rgba(255,255,255,.95),rgba(239,237,255,.84));
  border:1px solid rgba(112,87,217,.18);box-shadow:0 25px 80px rgba(91,76,159,.2);z-index:5
}
.core-small{font-size:.58rem;letter-spacing:.14em;color:var(--violet);font-weight:800;margin-bottom:8px}
.core strong{font-size:1.35rem;line-height:1.08}
.pulse{position:absolute;inset:-25px;border:1px solid rgba(112,87,217,.14);border-radius:50%;animation:pulse 4s infinite}
.p2{inset:-55px;animation-delay:1.4s}
@keyframes pulse{50%{transform:scale(1.06);opacity:.35}}
.connections{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.connections path{fill:none;stroke:rgba(112,87,217,.24);stroke-width:1.3;stroke-dasharray:4 7}
.knowledge-node{
  position:absolute;width:120px;padding:15px 10px;text-align:center;border-radius:20px;
  background:var(--glass);border:1px solid var(--line);box-shadow:0 15px 45px rgba(60,56,95,.1);backdrop-filter:blur(12px);z-index:3;
  animation:float 6s ease-in-out infinite
}
.knowledge-node b,.knowledge-node small{display:block}
.knowledge-node b{font-size:.86rem}
.knowledge-node small{font-size:.67rem;color:var(--muted);margin-top:4px}
.n1{top:11%;left:8%}.n2{top:10%;right:6%;animation-delay:.7s}.n3{top:44%;left:-1%;animation-delay:1.3s}
.n4{top:44%;right:-1%;animation-delay:1.9s}.n5{bottom:7%;left:11%;animation-delay:2.5s}.n6{bottom:6%;right:8%;animation-delay:3.1s}
@keyframes float{50%{transform:translateY(-9px)}}

.statement{text-align:center;padding:80px 20px 120px}
.statement p{color:var(--muted);font-size:1.1rem;margin-bottom:7px}
.statement h2{font-size:clamp(2.4rem,5vw,4.7rem);letter-spacing:-.055em}

.section{width:min(1160px,calc(100% - 40px));margin:auto;padding:100px 0}
.section-heading{max-width:760px;margin-bottom:55px}
.section-heading h2,.mastery-copy h2,.homework-card h2,.early-inner h2,.scope-card h2{
  font-size:clamp(2.2rem,4.3vw,4rem);line-height:1.04;letter-spacing:-.055em
}
.section-heading em,.mastery-copy em,.homework-card em{font-style:normal;color:var(--violet)}
.section-heading p,.mastery-copy p,.homework-card p,.scope-card p,.early-inner p{color:var(--muted);font-size:1.04rem;line-height:1.75}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{padding:34px;border:1px solid var(--line);border-radius:28px;background:rgba(255,255,255,.65);box-shadow:0 15px 50px rgba(65,54,110,.06)}
.number{display:block;color:var(--violet2);font-size:.75rem;font-weight:800;margin-bottom:55px}
.feature-card h3{font-size:1.35rem;letter-spacing:-.025em}
.feature-card p{color:var(--muted);line-height:1.7;font-size:.93rem}

.mastery-section{
  width:min(1160px,calc(100% - 40px));margin:80px auto;padding:65px;
  border-radius:38px;background:linear-gradient(135deg,#292244,#42366c);color:#fff;
  display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;box-shadow:var(--shadow)
}
.mastery-score{text-align:center}
.mastery-score>span{font-size:.65rem;letter-spacing:.17em;color:#c6b9ff;font-weight:800}
.mastery-score strong{display:block;font-size:8rem;letter-spacing:-.09em;line-height:.95;background:linear-gradient(180deg,#fff,#bbaeff);-webkit-background-clip:text;background-clip:text;color:transparent}
.mastery-score sup{font-size:2rem}
.mastery-score p{color:#c9c4dc;font-size:.85rem}
.mastery-copy .eyebrow{color:#c2b3ff}
.mastery-copy p{color:#d4d0e2}
.quote{border-left:2px solid #aa96ff;padding:12px 0 12px 20px;margin-top:28px;color:#eeeaff;font-weight:650;line-height:1.6}

.path-section{width:min(1160px,calc(100% - 40px));margin:auto;padding:120px 0}
.path{display:grid;grid-template-columns:1fr 50px 1fr 50px 1fr 50px 1fr;align-items:center}
.path-step{text-align:center}
.path-step span{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;
  background:#fff;border:1px solid var(--line);font-weight:800;color:var(--violet);box-shadow:0 10px 30px rgba(76,62,127,.1)
}
.path-step.complete span,.path-step.active span{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff}
.path-step b,.path-step small{display:block}
.path-step small{color:var(--muted);font-size:.72rem;line-height:1.45;margin-top:5px}
.path-line{height:1px;background:linear-gradient(90deg,var(--violet2),rgba(112,87,217,.15))}

.homework-section{width:min(1160px,calc(100% - 40px));margin:auto;padding:70px 0 130px}
.homework-card{
  display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding:60px;
  border-radius:36px;background:rgba(255,255,255,.72);border:1px solid var(--line);box-shadow:var(--shadow)
}
.conversation{padding:30px;border-radius:30px;background:#f4f2fc}
.bubble{max-width:88%;padding:15px 18px;border-radius:20px;margin:12px 0;font-size:.9rem;line-height:1.55}
.child{margin-left:auto;background:#fff;border:1px solid var(--line)}
.tutor{background:linear-gradient(135deg,#7860dc,#648edc);color:#fff}

.parent-section{width:min(1160px,calc(100% - 40px));margin:auto;padding:100px 0}
.dashboard{background:#fff;border:1px solid var(--line);border-radius:34px;padding:35px;box-shadow:var(--shadow)}
.dash-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:24px}
.dash-top small{color:var(--violet);font-weight:800;letter-spacing:.12em}
.dash-top h3{font-size:1.6rem;margin:7px 0 0}
.status{font-size:.74rem;padding:9px 13px;background:#eef9f4;color:#40836f;border-radius:999px}
.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:26px 0}
.metric{padding:24px;border-radius:22px;background:#f8f7fc}
.metric span{font-size:.75rem;color:var(--muted)}
.metric strong{display:block;font-size:1.7rem;margin:10px 0}
.metric p{font-size:.76rem;color:var(--muted);line-height:1.5;margin:0}
.metric.attention{background:#fff8ec}
.bar{height:7px;background:#e5e2ef;border-radius:10px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--violet),var(--blue));border-radius:10px}
.why{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;background:#f4f2fb;border-radius:18px;font-size:.85rem}
.why button{border:0;background:none;color:var(--violet);font-weight:800;cursor:pointer}

.launch-scope{width:min(1160px,calc(100% - 40px));margin:auto;padding:90px 0}
.scope-card{text-align:center;padding:65px;border-radius:38px;background:linear-gradient(135deg,#f0ecff,#edf8ff);border:1px solid var(--line)}
.scope-card p{max-width:700px;margin:0 auto 35px}
.grades{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.grades>span:not(.future){width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#fff;font-weight:800;box-shadow:0 8px 25px rgba(73,58,126,.1)}
.future{color:var(--muted);font-size:.8rem;margin-left:10px}

.early-access{padding:120px 20px}
.early-inner{
  width:min(1100px,100%);margin:auto;display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:center;
  padding:65px;border-radius:40px;background:#19172b;color:#fff;box-shadow:var(--shadow)
}
.early-inner .eyebrow{color:#b9a8ff}.early-inner p{color:#c8c5d5}
.signup{background:#fff;color:var(--ink);padding:28px;border-radius:28px}
.signup label:not(.consent){display:block;margin-bottom:15px}
.signup label>span:first-child{display:block;font-size:.72rem;font-weight:750;margin-bottom:7px}
.signup input[type=text],.signup input[type=email]{
  width:100%;padding:14px;border:1px solid #dedbea;border-radius:13px;outline:none;background:#fbfaff
}
.signup input:focus{border-color:var(--violet2)}
.consent{display:flex;align-items:flex-start;gap:10px;margin:18px 0;font-size:.74rem;line-height:1.5;color:#626b7c}
.consent input{margin-top:3px}
.signup .button{width:100%}
.form-note{text-align:center!important;font-size:.68rem!important;margin:12px 0 0!important;color:#8a91a0!important}

footer{text-align:center;padding:60px 20px 80px;color:var(--muted)}
.footer-brand{justify-content:center;color:var(--ink);margin-bottom:18px}
footer p{margin-bottom:7px}footer small{font-size:.7rem}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .75s ease,transform .75s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:850px){
  nav a:not(.nav-cta){display:none}
  .hero{grid-template-columns:1fr;padding-top:65px}
  .hero-copy{text-align:center}
  .hero-lead{margin-left:auto;margin-right:auto}
  .hero-actions,.trust-row{justify-content:center}
  .knowledge-world{max-width:520px}
  .feature-grid,.mastery-section,.homework-card,.early-inner{grid-template-columns:1fr}
  .mastery-section,.homework-card,.early-inner{padding:38px 26px}
  .mastery-score strong{font-size:6.5rem}
  .path{grid-template-columns:1fr;gap:16px}
  .path-line{height:28px;width:1px;margin:auto}
  .dash-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .site-header{width:calc(100% - 28px)}
  h1{font-size:3.25rem}
  .hero,.section,.mastery-section,.path-section,.homework-section,.parent-section,.launch-scope{width:calc(100% - 28px)}
  .hero{min-height:auto}
  .knowledge-node{width:95px;padding:11px 6px}
  .core{width:165px;height:165px}
  .n3{left:-3%}.n4{right:-3%}
  .statement{padding:55px 18px 80px}
  .feature-grid{grid-template-columns:1fr}
  .mastery-section{margin-top:30px}
  .dashboard{padding:20px}
  .dash-top,.why{align-items:flex-start;gap:14px;flex-direction:column}
  .scope-card{padding:45px 22px}
  .early-access{padding:75px 14px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}