:root{--bg:#f7f7f2;--bg-2:#edf1e9;--surface:#fff;--panel:#eef2e8;--line:#dce3d8;--text:#192c25;--muted:#596a60;--primary:#d9f77e;--secondary:#192c25;--accent:#ffa18c;--shadow:0 22px 65px #192c2514;--wrap:1160px}
html{scroll-padding-top:95px}body{overflow-wrap:break-word}.nav{background:#f7f7f2f2}.nav__inner{min-height:86px}.brand__text{font:900 26px/1 Arial,sans-serif;letter-spacing:-1.5px;direction:ltr}.brand__mark img{border-radius:0}.nav__links a{font-size:13px}.nav__links .btn--primary{color:var(--text)}.btn{gap:14px;border-radius:16px;font-size:14px;min-height:50px}.btn--primary{background:var(--primary);color:var(--text);border-color:transparent}.btn--ghost{background:transparent;border-color:#bcc8ba;color:var(--text)}.btn:hover{box-shadow:0 4px 0 #192c2520}.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid #597035;outline-offset:5px}.text-link{color:var(--text)}.v21 p{line-height:1.95}.v-hero{display:grid;grid-template-columns:1.12fr 1fr;gap:64px;align-items:center;min-height:770px;padding-block:55px 75px}.v-copy{padding-block:25px}.v-eyebrow{font-size:12px;font-weight:600;color:var(--muted);display:flex;gap:9px;align-items:center;margin:0 0 22px}.v-eyebrow>span{width:7px;height:7px;border-radius:50%;background:var(--text)}.v-copy h1{font-size:clamp(56px,6.2vw,84px);line-height:1.55;letter-spacing:-3px;margin:0 0 20px;font-weight:900}.v-copy h1 em{font-style:normal;position:relative;isolation:isolate}.v-copy h1 em:before{content:'';position:absolute;z-index:-1;inset:52% -9px 0;background:var(--primary);border-radius:7px;transform:rotate(-2deg)}.v-lede{font-size:16px;color:var(--muted);max-width:485px}.v-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.v-micro{font-size:11px;color:var(--muted);margin:20px 0}.v-caption{display:flex;align-items:center;gap:12px;margin-top:32px}.v-caption strong,.v-caption span{display:block;font-size:12px}.v-caption span{color:var(--muted);font-size:11px;margin-top:3px}.v-stage{position:relative;display:grid;place-items:center;min-height:640px}.v-orbit{position:absolute;width:460px;max-width:108%;aspect-ratio:1;background:#e5ebd9;border-radius:50%;border:1px solid #dce3d3}.v-orbit:after{content:'';position:absolute;inset:22px;border:1px solid #cdd8bf;border-radius:50%}.v-phone{position:relative;width:278px;margin:0;transform:rotate(-5deg);background:#192c25;padding:8px;border:1px solid #192c25;border-radius:38px;box-shadow:15px 32px 0 #192c250c,0 25px 60px #192c2526}.v-phone img{width:100%;height:auto;border-radius:30px}.v-phone figcaption{font-size:9px;color:#f7f7f2;text-align:center;padding:8px 0 3px;transform:none}.v-sticker{position:absolute;z-index:3;right:0;top:30px;background:#e3ddf6;padding:14px 19px;border:1px solid #192c2514;border-radius:15px;transform:rotate(7deg);font-size:13px;font-weight:700}.v-sticker span{font-size:23px;margin-left:8px}.v-float{position:absolute;z-index:3;left:0;bottom:85px;display:flex;align-items:center;gap:14px;background:#ffa18c;border:1px solid #192c251a;border-radius:20px;padding:18px 26px;transform:rotate(5deg)}.v-float b{font-size:42px;line-height:1}.v-float span{font-size:12px;line-height:1.8}.v-strip{background:#192c25;color:#f7f7f2;padding:23px 0}.v-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}.v-strip span{font-size:12px;color:#d9f77e}.v-strip strong{font-size:18px;font-weight:500}.v-strip i{font-style:normal;color:#d9f77e;margin-inline:26px}.v-section{padding-block:88px}.v-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:34px}.v-head h2{font-size:clamp(26px,3.2vw,41px);line-height:1.65;margin:0;letter-spacing:-1px}.v-head .v-eyebrow{margin-bottom:8px}.v-head>p{max-width:360px;font-size:14px;color:var(--muted)}.v-bento{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.v-card{border-radius:28px;padding:30px;overflow:hidden;border:1px solid #192c2510}.v-card h3{font-size:26px;line-height:1.7;margin:17px 0 8px;letter-spacing:-.6px}.v-card p{font-size:13px;color:var(--muted);margin:10px 0 20px}.v-tag{display:inline-block;padding:6px 11px;background:#ffffff99;border-radius:999px;font-size:10px;font-weight:600;width:fit-content}.v-games{grid-column:span 2;grid-row:span 2;background:#e3ddf6;display:flex;align-items:center;gap:28px}.v-games>div{flex:1;min-width:0}.v-games h3{font-size:36px;line-height:1.6}.v-games>img{width:45%;height:auto;align-self:end;margin-bottom:-80px;border:7px solid #192c25;border-radius:26px;transform:rotate(-7deg);box-shadow:0 20px 30px #192c2515}.v-book{background:#dcede5}.v-teacher{background:#f3e9ce}.v-symbol{float:left;font-size:40px;line-height:1}.v-progress{grid-column:1 / -1;background:#fff;display:grid;grid-template-columns:1fr 1fr;column-gap:60px}.v-progress .v-tag{background:var(--panel)}.v-progress h3{grid-column:1}.v-progress p{grid-column:1;max-width:550px}.v-path{grid-column:2;grid-row:1 / 4;display:flex;align-items:center;gap:10px;justify-content:center}.v-path span{border:1px solid var(--line);border-radius:50%;width:76px;height:76px;display:grid;place-items:center;font-size:12px;background:var(--bg)}.v-path span:first-child{background:var(--primary)}.v-path i{width:25px;height:1px;background:#b6c4b0}.v-note{font-size:11px;color:var(--muted);margin-top:20px;max-width:800px}.v-how{background:#e9eee2;padding-block:68px}.v-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding:0;margin:45px 0 0}.v-steps>li>span{display:block;font-size:36px;font-weight:700;margin-bottom:20px;color:#76856b}.v-steps h3{font-size:19px;line-height:1.8}.v-steps p{font-size:13px;color:var(--muted);max-width:290px}.v-version-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.v-release,.v-status{border:1px solid var(--line);border-radius:25px;padding:30px;background:#fff}.v-release h3,.v-status h3{font-size:21px;line-height:1.8}.v-release ul{padding-right:22px;font-size:14px;line-height:2.5}.v-release li::marker{color:#6b8433}.v-status{background:#f3e9ce;border:0}.v-status p{font-size:13px}.v-guide-section{padding-top:0}.guide-card{box-shadow:none;background:#fff;border:1px solid var(--line)}.guide-card__tag{background:#dcede5;color:var(--text)}.guide-card h3{line-height:1.8}.guide-hero{background:#edf1e9}.guide-content,.guide-layout aside,.guide-summary{background:var(--surface);color:var(--text)}.guide-content p{color:var(--text)}.faq{max-width:850px;margin-inline:auto}.faq details{background:#fff;border-color:var(--line);border-radius:17px}.faq summary{font-size:15px;line-height:1.8;padding:5px 0}.faq p{color:var(--muted);font-size:13px}.faq a{text-decoration:underline;text-underline-offset:4px}.v-download{background:#192c25;color:#fff;border-radius:32px;padding:55px;display:flex;align-items:center;justify-content:space-between;gap:40px;margin-bottom:90px}.v-download h2{font-size:42px;line-height:1.6}.v-download .v-eyebrow,.v-download .v-micro{color:#c4d1bf}.v-download>div>p{font-size:13px}.v-download .btn--ghost{color:#fff;border-color:#526749}.v-download>img{width:190px;transform:rotate(-8deg)}.footer{background:#edf1e9;border-color:var(--line)}.footer__enamad img{background:#fff;border-radius:12px}.footer__meta{font-size:12px}.footer .muted{font-size:13px}
@media(min-width:1600px){.v-hero{min-height:820px}.v-phone{width:300px}}
@media(max-width:940px){.v-hero{gap:25px;min-height:700px}.v-copy h1{font-size:62px}.v-phone{width:240px}.v-stage{min-height:590px}.v-sticker{right:-7px;font-size:11px}.v-float{padding:13px 18px;left:-5px}.v-strip i{margin-inline:10px}.v-bento{grid-template-columns:1fr 1fr}.v-games{grid-column:1 / -1;grid-row:auto;min-height:420px}.v-games>img{width:240px;margin-bottom:-190px}.v-progress{grid-template-columns:1fr}.v-path{grid-column:1;grid-row:auto;justify-content:start;margin-top:15px}.v-head{gap:20px}.v-steps{gap:25px}.v-download{padding:38px}}
@media(max-width:760px){.nav__inner{min-height:74px}.nav__toggle{display:block}.nav__links{background:var(--bg);border-color:var(--line)}.v-hero{grid-template-columns:1fr;padding-block:28px 50px;gap:18px;min-height:0}.v-copy{padding-block:12px 0}.v-copy h1{font-size:58px;line-height:1.5}.v-eyebrow{font-size:11px;margin-bottom:16px}.v-lede{font-size:14px;max-width:480px}.v-actions{margin-top:22px;gap:10px}.v-actions .btn{font-size:12px;min-height:49px;padding-inline:16px}.v-micro{font-size:10px}.v-caption{margin-top:22px}.v-stage{min-height:625px;max-width:440px;width:100%;margin-inline:auto}.v-phone{width:260px}.v-sticker{right:0;top:32px}.v-float{left:0;bottom:45px}.v-orbit{width:360px;max-width:100%}.v-strip .wrap{flex-direction:column;gap:8px}.v-strip strong{font-size:13px;text-align:center;line-height:2}.v-strip i{margin-inline:7px}.v-section{padding-block:55px}.v-head{display:block;margin-bottom:25px}.v-head>p{max-width:100%;font-size:13px}.v-head>.text-link,.v-head>.btn,.v-head>.v-tag{margin-top:15px;display:inline-flex}.v-head h2{font-size:28px}.v-bento{gap:12px}.v-card{padding:23px;border-radius:23px}.v-card h3{font-size:21px}.v-card p{font-size:12px}.v-games{gap:18px;min-height:350px}.v-games h3{font-size:26px}.v-games>img{width:44%;border-width:5px;border-radius:21px;margin-bottom:-70px}.v-games .text-link{font-size:12px}.v-symbol{display:none}.v-book,.v-teacher{grid-column:span 1}.v-tag{font-size:9px;padding:5px 8px}.v-how{padding-block:50px}.v-steps{grid-template-columns:1fr;gap:27px;margin-top:25px}.v-steps li{padding-right:57px;position:relative}.v-steps>li>span{position:absolute;right:0;top:0;font-size:27px}.v-steps h3{font-size:17px;margin-bottom:6px}.v-steps p{max-width:none;margin:0;font-size:12px}.v-version-grid{grid-template-columns:1fr;gap:14px}.v-release,.v-status{padding:24px}.v-release ul{font-size:12px}.v-status p{font-size:12px}.v-guide-section{padding-top:0}.v-download{margin-bottom:50px;padding:30px 25px;border-radius:25px;position:relative;overflow:hidden}.v-download h2{font-size:31px}.v-download>img{position:absolute;width:90px;left:20px;top:28px;opacity:.2}.v-download>div{position:relative;z-index:1}.v-download .v-actions{flex-direction:column;align-items:stretch}.v-download .btn{font-size:13px}.v-download>div>p{font-size:11px}.v-download .v-micro{line-height:2.4}}
@media(max-width:380px){.v-copy h1{font-size:49px}.v-stage{min-height:580px}.v-phone{width:235px}.v-games{display:block}.v-games>img{width:180px;margin:24px auto -160px}.v-book,.v-teacher{grid-column:1 / -1}.v-path span{width:62px;height:62px}.v-sticker{font-size:10px;padding:10px}.v-float b{font-size:33px}.v-float{padding:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
/* Keep the existing guide library readable in the new shared palette. */
::selection{background:#d9f77e;color:#192c25}.btn--primary{box-shadow:none}.btn--primary:hover{background:#cbed6d}.guide-hero,.article__hero{background:#edf1e9}.guide-hero .lede,.guide-hero__stats span,.crumb,.article__intro,.article__section p,.article__summary ul,.article__next p{color:var(--muted)}.article__summary{background:#dcede5;border-color:var(--line)}.article__next{background:#e3ddf6;border-color:var(--line)}.article h1{line-height:1.6}.article__section h2{line-height:1.65}.guide-card:hover{border-color:#a7bb85}.section--alt{background:var(--bg-2)}
@media(max-width:900px){.nav__links{top:86px;background:var(--bg)}}
@media(max-width:760px){.nav__links{top:74px}}
/* School intake and iOS install, 2.2 */
.school-lead{max-width:760px;font-size:17px;line-height:2;color:#53645a}.school-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:44px;margin-top:32px}.school-steps{list-style:none;padding:0;counter-reset:steps}.school-steps li{padding:18px 0;border-bottom:1px solid #dce3d8}.school-steps b{font-size:19px}.school-steps p{color:#627168;font-size:14px;line-height:1.9}.school-note{padding:22px;background:#e8eee5;border-radius:20px;font-size:13px;line-height:1.9}.school-form{padding:30px;border:1px solid #dce3d8;border-radius:26px;background:white}.school-form h3{font-size:24px;margin:0}.school-form>p{font-size:12px;line-height:1.9}.school-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.school-form label{display:block;font-size:12px;line-height:1.8;margin:10px 0}.school-form input:not([type=checkbox]),.school-form textarea{display:block;width:100%;box-sizing:border-box;border:1px solid #cbd4c8;border-radius:12px;background:#f7f7f2;font:16px inherit;padding:12px;min-height:46px;color:#192c25}.school-form input:focus,.school-form textarea:focus{outline:2px solid #527348;outline-offset:2px}.school-consent{display:flex!important;align-items:flex-start;gap:9px}.school-consent input{width:20px;height:20px;flex-shrink:0}.school-honey{position:absolute!important;inset-inline-start:0;left:auto;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.school-privacy{color:#627168}.school-form button{width:100%;white-space:normal;line-height:1.8}.school-form button:disabled{opacity:.6;cursor:wait}#school-result{font-size:15px;line-height:2;color:#284b28}.ios-section{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;background:#e8eee5;border-radius:28px;padding:36px!important;margin-bottom:36px}.ios-section h2{font-size:32px;line-height:1.6}.ios-section p{line-height:2}.ios-section ol{line-height:3;font-size:16px}.school-section,.ios-section{scroll-margin-top:100px}@media(max-width:760px){.school-grid,.ios-section{grid-template-columns:1fr}.school-form{padding:20px}.school-fields{grid-template-columns:1fr}.school-grid{gap:24px}.ios-section{padding:24px!important}.school-form input,.school-form textarea{font-size:16px}}

/* Navigation links shared by the homepage and study guides. */
.footer__links{display:flex;flex-wrap:wrap;gap:18px;font-size:12px;margin-top:16px}.footer__links a{display:inline-flex;align-items:center;min-height:44px}