:root{
  color-scheme:light;
  --bg:#F2F5F4; --surface:#FFFFFF; --ink:#1D2A30; --muted:#56676C; --line:#D6E0DE;
  --accent:#2F6B63; --accent-ink:#FFFFFF; --soft:#DCEBE6;
  --sun:#E4B03F; --sunsoft:#FBF1D6; --sky:#8FC0D6; --berry:#C4577A; --wood:#C9A77C;
  --good:#2F7A55; --goodsoft:#DDF0E5; --bad:#B3413A;
  --shadow:0 10px 30px rgba(29,42,48,.10);
  --display:"Fredoka", ui-rounded, "Trebuchet MS", system-ui, sans-serif;
  --body:"Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --bg:#131B1E; --surface:#1B262A; --ink:#E5EEEC; --muted:#9DB0B1; --line:#2B3A3E;
    --accent:#7CC2B5; --accent-ink:#0E1A1B; --soft:#213638;
    --sun:#E1B858; --sunsoft:#3A3220; --sky:#6B9DB4; --berry:#D2789A; --wood:#A98B66;
    --good:#7CCB9F; --goodsoft:#1F3A2C; --bad:#F08A80;
    --shadow:0 10px 30px rgba(0,0,0,.35);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;padding-inline:16px;padding-bottom:env(safe-area-inset-bottom,0px)}
img,svg{max-width:100%}
h1,h2,h3,legend{font-family:var(--display);font-weight:600;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
a{color:var(--accent)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:8px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}
.wrap{max-width:1100px;margin-inline:auto}
.narrow{max-width:760px;margin-inline:auto}
.eyebrow{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.muted{color:var(--muted)}
.select{user-select:all;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 20px;border:2px solid var(--accent);background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:6px 14px;font-size:15px}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--bad)}
.btn.disabled{opacity:.55;cursor:default;transform:none}
.small-link{font-weight:700;font-size:15px}

/* header */
header.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);margin-inline:-16px;padding:calc(12px + env(safe-area-inset-top,0px)) 16px 12px}
.top .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.logo{font-family:var(--display);font-size:22px;font-weight:600;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo svg{width:30px;height:30px}
nav.links{display:flex;gap:18px;margin-left:auto}
nav.links a{color:var(--ink);text-decoration:none;font-weight:700}
nav.links a:hover,nav.links a[aria-current]{color:var(--accent)}
.tools{display:flex;gap:8px}
.pill{border:2px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-weight:700;font-size:15px;display:inline-flex;gap:6px;align-items:center;color:var(--ink);text-decoration:none}
.pill[aria-pressed="true"]{border-color:var(--accent);background:var(--soft)}
@media (max-width:680px){nav.links{order:3;width:100%;margin-left:0;justify-content:space-between}.tools{margin-left:auto}}

main{padding-block:8px 48px;min-height:60vh}
section{padding-block:48px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.sec-head h2{font-size:clamp(28px,3.6vw,40px);margin-top:6px}
.sec-head p{max-width:36em;color:var(--muted)}
.page-head{padding-block:36px 8px}
.page-head h1{font-size:clamp(30px,4.4vw,46px);margin-top:6px}
.page-head p.lead{margin-top:12px;max-width:40em;color:var(--muted);font-size:18px}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-block:44px 48px}
.hero h1{font-size:clamp(34px,5.2vw,56px);margin-top:10px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{margin-top:18px;font-size:19px;max-width:34em;color:var(--muted)}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.promise{display:flex;gap:10px 20px;flex-wrap:wrap;margin:26px 0 0;padding:0;list-style:none;font-size:15px;color:var(--muted)}
.promise li{display:flex;gap:8px;align-items:center}
.promise li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--sun)}
.hero-art{background:var(--surface);border-radius:28px;padding:18px;box-shadow:var(--shadow)}
.hero-art svg{width:100%;height:auto;display:block}
@media (max-width:800px){.hero{grid-template-columns:1fr;padding-block:28px 32px}}

/* products */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;flex-direction:column;gap:12px}
.art{background:var(--soft);border-radius:16px;aspect-ratio:4/3;display:grid;place-items:center;max-width:100%}
.art svg{width:88%;height:auto}
.card h3{font-size:22px}
.card h3 a{color:inherit;text-decoration:none}
.card .tag{color:var(--muted)}
.meta{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:15px;margin:0}
.meta dt{color:var(--muted)}
.meta dd{margin:0;font-weight:700}
.noise{display:inline-flex;gap:3px;vertical-align:middle;margin-right:6px}
.noise i{width:8px;height:14px;border-radius:3px;background:var(--line)}
.noise i.on{background:var(--accent)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:13px;font-weight:700;background:var(--soft);color:var(--ink);border-radius:999px;padding:3px 10px}
.card .row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;flex-wrap:wrap}
.price{font-family:var(--display);font-size:24px;font-variant-numeric:tabular-nums}
.bundle{margin-top:24px;background:var(--accent);color:var(--accent-ink);border-radius:22px;padding:24px 26px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.bundle h3{font-size:26px}
.bundle p{opacity:.9;max-width:38em;margin-top:6px}
.bundle .btn{background:var(--accent-ink);color:var(--accent);border-color:var(--accent-ink)}

/* product page */
.product{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding-block:32px;align-items:start}
@media (max-width:760px){.product{grid-template-columns:1fr}}
.product h1{font-size:clamp(30px,4vw,44px)}
.product .info{display:grid;gap:16px}
.safety{border-left:4px solid var(--sun);background:var(--surface);padding:10px 14px;border-radius:0 12px 12px 0;font-size:15px}

/* plans promo */
.promo{background:var(--surface);margin-inline:-16px;padding-inline:16px;border-block:1px solid var(--line)}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:760px){.steps3{grid-template-columns:1fr}}
.step3{border-top:4px solid var(--sun);padding-top:14px}
.step3 h3{font-size:20px;margin-bottom:6px}
.step3 p{color:var(--muted)}

/* activities */
.stages{list-style:none;padding:0;margin:0 0 18px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
@media (max-width:900px){.stages{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.stages{grid-template-columns:1fr}}
.stage{width:100%;text-align:left;background:var(--surface);border:2px solid var(--line);border-radius:16px;padding:12px 14px;display:flex;gap:10px;align-items:flex-start;height:100%;text-decoration:none;color:var(--ink)}
.stage b{font-family:var(--display);font-size:15px;display:block;line-height:1.25}
.stage span span{font-size:13px;color:var(--muted);display:block;line-height:1.35;margin-top:2px}
.stage .n{flex:none;width:28px;height:28px;border-radius:50%;background:var(--bg);border:2px solid var(--line);display:grid;place-items:center;font-weight:700;font-size:14px}
.stage[aria-current="true"]{border-color:var(--accent);background:var(--soft)}
.stage[aria-current="true"] .n{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.toyfilter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;align-items:center}
.toyfilter .lbl{font-weight:700;color:var(--muted);font-size:15px;margin-right:4px}
.pill[aria-current="true"]{border-color:var(--accent);background:var(--soft)}
.acts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.acts{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.acts{grid-template-columns:1fr}}
.act{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;display:flex;flex-direction:column;gap:10px}
.act .for{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.act h3{font-size:20px}
.act ol{margin:0;padding-left:20px;display:grid;gap:6px}
.words{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px;align-items:center}
.word{font-size:14px;border:2px dashed var(--accent);border-radius:10px;padding:2px 9px;font-weight:700;color:var(--accent)}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:auto;max-width:420px}
.board div{background:var(--bg);border:2px solid var(--line);border-radius:10px;text-align:center;padding:8px 4px;font-weight:700;font-size:14px}
.habits{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
@media (max-width:760px){.habits{grid-template-columns:1fr}}
.habit{border-top:4px solid var(--sun);padding-top:14px}
.habit h3{font-size:20px;margin-bottom:6px}
.habit p{color:var(--muted)}

/* forms */
.auth{max-width:440px;margin:40px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px;display:grid;gap:16px}
.auth h1{font-size:30px}
form.stack{display:grid;gap:14px}
label.f{display:grid;gap:6px;font-weight:700;font-size:15px}
input[type=text],input[type=email],input[type=password],select{border:2px solid var(--line);background:var(--bg);border-radius:12px;padding:10px 12px;width:100%;min-width:0}
.hint{font-size:14px;color:var(--muted);font-weight:400}
.alert{border-radius:12px;padding:10px 14px;font-size:15px}
.alert.err{background:var(--sunsoft);color:var(--ink);border-left:4px solid var(--bad)}
.alert.ok{background:var(--goodsoft)}
form.profile{display:grid;gap:18px;margin-top:24px}
fieldset{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:20px;margin:0;display:grid;gap:14px;min-width:0}
legend{font-size:21px;padding:0 6px;margin-left:-6px}
.stepn{font-family:var(--body);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:2px}
.row2{display:grid;grid-template-columns:2fr 1fr;gap:14px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.opt{position:relative;display:flex;gap:10px;align-items:flex-start;border:2px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--bg);cursor:pointer}
.opt input{margin-top:5px;accent-color:var(--accent);flex:none}
.opt b{display:block;line-height:1.3}
.opt span span{display:block;font-size:14px;color:var(--muted);line-height:1.4}
.opt:has(input:checked){border-color:var(--accent);background:var(--soft)}
.fit{position:absolute;top:-10px;right:10px;background:var(--good);color:var(--surface);font-size:12px;font-weight:700;border-radius:999px;padding:1px 9px}
.form-end{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* account */
.learner-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:20px}
.lcard{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;display:grid;gap:8px;text-decoration:none;color:var(--ink)}
.lcard:hover{border-color:var(--accent)}
.lcard h2{font-size:24px}
.lcard.add{place-items:center;border-style:dashed;color:var(--accent);font-weight:700;min-height:140px}
.danger-zone{margin-top:48px;border-top:1px solid var(--line);padding-top:20px;display:grid;gap:10px;max-width:640px}

/* plan */
.plan-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-end;padding-top:32px}
.plan-head h1{font-size:clamp(28px,4vw,40px)}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
@media (max-width:760px){.summary{grid-template-columns:1fr}}
.box{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px 18px;display:grid;gap:6px;align-content:start}
.box h3{font-size:18px}
.box.goal{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.box.goal .eyebrow{color:var(--accent-ink);opacity:.8}
.progress{margin-top:22px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px 18px;display:grid;gap:10px}
.bar{height:12px;border-radius:999px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--good);border-radius:999px;transition:width .3s}
.next{background:var(--goodsoft);border-radius:12px;padding:10px 14px;display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap}
h2.sec{font-size:26px;margin:36px 0 14px}
.days{display:grid;gap:14px}
.day{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;grid-template-columns:64px 1fr;gap:16px}
@media (max-width:560px){.day{grid-template-columns:1fr}}
.dnum{font-family:var(--display);font-size:15px;color:var(--muted);text-align:center;line-height:1.1}
.dnum b{display:block;font-size:34px;color:var(--ink)}
.day h3{font-size:20px}
.day ol{margin:8px 0 0;padding-left:20px;display:grid;gap:5px}
.day .board{margin-top:10px;grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}
.log{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.log p{font-size:14px;font-weight:700;margin-bottom:8px}
.levels{display:flex;gap:6px;flex-wrap:wrap}
.lvl{border:2px solid var(--line);background:var(--bg);border-radius:999px;padding:4px 12px;font-size:14px;font-weight:700}
.lvl[aria-pressed="true"]{border-color:var(--good);background:var(--goodsoft)}
.lvl.target::after{content:" ★";color:var(--sun)}
.tips{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media (max-width:640px){.tips{grid-template-columns:1fr}}
.tip{border-top:4px solid var(--sun);background:var(--surface);border-radius:0 0 14px 14px;padding:14px 16px}
.tip b{display:block;font-family:var(--display);font-size:17px;margin-bottom:4px}
.save-note{font-size:14px;color:var(--muted);min-height:1.4em}

/* prose */
.prose{max-width:720px;margin-inline:auto;padding-block:36px}
.prose h1{font-size:clamp(30px,4vw,42px);margin-bottom:16px}
.prose h2{font-size:22px;margin:28px 0 8px}
.prose p,.prose li{color:var(--ink)}
.prose p+p{margin-top:10px}

/* footer */
.site-foot{border-top:1px solid var(--line);padding-block:28px 36px;color:var(--muted);font-size:15px;margin-inline:-16px;padding-inline:16px;background:var(--surface)}
.site-foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-foot b{color:var(--ink);font-family:var(--display);font-size:18px}
.site-foot nav{display:flex;gap:16px;flex-wrap:wrap}
.site-foot a{color:var(--ink)}
.site-foot .fine{margin-top:18px;font-size:13px}

/* calm view + motion */
html[data-calm="on"] main{filter:saturate(.55)}
html[data-calm="on"] *{transition:none!important;animation:none!important}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}

/* svg fills */
.f-sun{fill:var(--sun)} .f-sky{fill:var(--sky)} .f-berry{fill:var(--berry)} .f-wood{fill:var(--wood)}
.f-acc{fill:var(--accent)} .f-surf{fill:var(--surface)}
.s-acc{stroke:var(--accent)} .s-muted{stroke:var(--muted)} .s-surf{stroke:var(--surface)}