:root{
  --orange:#E37B45; --orange-d:#C9622D; --orange-l:#F7B78F;
  --cream:#FFF6EA; --peach:#FDE3CC; --ink:#2B1B12; --muted:#7A6455;
  --white:#fff; --mint:#CDEFD9; --lilac:#E6D9F5; --butter:#FFE9A8;
  --radius:22px; --shadow:0 10px 30px -12px rgba(150,70,20,.35);
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans Thai','Prompt',system-ui,sans-serif;background:var(--cream);color:var(--ink);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:'Prompt','Noto Sans Thai',sans-serif;line-height:1.2}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700}
h3{font-size:1.15rem;font-weight:600}
.eyebrow{display:inline-block;background:var(--peach);color:var(--orange-d);font-weight:600;font-size:.85rem;padding:4px 14px;border-radius:99px;margin-bottom:14px}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:99px;font-weight:600;border:2px solid var(--ink);background:var(--white);transition:transform .15s,box-shadow .15s;cursor:pointer;font-family:inherit;font-size:1rem}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--ink)}
.btn.primary{background:var(--orange);color:#fff}
.btn.ghost{background:transparent}
.btn.sm{padding:8px 18px;font-size:.9rem}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,246,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(43,27,18,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Prompt',sans-serif;font-weight:800;font-size:1.1rem}
.logo-dot{width:40px;height:40px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-size:1.3rem;border:2px solid #2d6cdf;box-shadow:inset 0 0 0 3px var(--orange)}
.nav{display:flex;gap:6px;align-items:center}
.nav a{padding:8px 14px;border-radius:99px;font-weight:500}
.nav a:hover,.nav a.active{background:var(--peach);color:var(--orange-d)}
.nav .ext{border:2px dashed var(--orange);color:var(--orange-d)}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}

/* hero */
.hero{background:var(--orange);color:#fff;position:relative;overflow:hidden;padding:72px 0 96px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero p{font-size:1.15rem;margin:18px 0 28px;max-width:520px;opacity:.95}
.hero .eyebrow{background:rgba(255,255,255,.2);color:#fff}
.hero-art{aspect-ratio:1;max-width:440px;margin-left:auto;width:100%;border-radius:50%;background:var(--orange-d);display:grid;place-items:center;position:relative;border:4px solid #fff}
.hero-art .cat{font-size:clamp(7rem,16vw,11rem)}
.ring-text{position:absolute;inset:0;font-family:'Prompt';font-weight:800;letter-spacing:.2em;text-align:center;padding-top:22px;font-size:.95rem}
.sticker{position:absolute;background:var(--butter);color:var(--ink);font-weight:700;padding:8px 16px;border-radius:14px;transform:rotate(-6deg);box-shadow:var(--shadow);font-size:.9rem}
.sticker.a{top:6%;right:-4%}.sticker.b{bottom:8%;left:-6%;transform:rotate(5deg);background:var(--mint)}
.wave{position:absolute;bottom:-1px;left:0;width:100%;height:50px;fill:var(--cream)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn.primary{background:var(--ink);border-color:var(--ink)}

/* sections */
section.block{padding:72px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head p{color:var(--muted);max-width:560px;margin:10px auto 0}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid rgba(43,27,18,.06)}
.card .icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:14px}
.bg-peach{background:var(--peach)}.bg-mint{background:var(--mint)}.bg-lilac{background:var(--lilac)}.bg-butter{background:var(--butter)}

/* product */
.product{padding:0;overflow:hidden;display:flex;flex-direction:column}
.product .thumb{aspect-ratio:4/3;display:grid;place-items:center;font-size:3.5rem;position:relative}
.product .tag{position:absolute;top:12px;left:12px;background:var(--ink);color:#fff;font-size:.75rem;font-weight:600;padding:3px 12px;border-radius:99px}
.product .body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.product .price{display:flex;align-items:baseline;gap:10px;margin-top:auto;padding-top:8px}
.price b{font-family:'Prompt';font-size:1.5rem;color:var(--orange-d)}
.price s{color:var(--muted)}
.product .btn{justify-content:center}

/* split / stats */
.stats{background:var(--ink);color:#fff;border-radius:var(--radius);padding:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-family:'Prompt';font-size:2.2rem;color:var(--orange-l)}
.band{background:var(--peach)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ph{background:repeating-linear-gradient(45deg,var(--peach),var(--peach) 14px,#fbd6b8 14px,#fbd6b8 28px);border-radius:var(--radius);aspect-ratio:4/3;display:grid;place-items:center;color:var(--orange-d);font-weight:600;border:2px dashed var(--orange)}

/* collab banner */
.collab{background:var(--white);border:2px solid var(--ink);border-radius:var(--radius);padding:32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:8px 8px 0 var(--orange)}

/* quiz */
.quiz-card{background:var(--white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.progress{height:10px;background:var(--peach);border-radius:99px;overflow:hidden;margin-bottom:24px}
.progress i{display:block;height:100%;width:30%;background:var(--orange)}
.opt{display:flex;gap:14px;align-items:center;padding:14px 18px;border:2px solid rgba(43,27,18,.15);border-radius:16px;margin-top:12px;background:var(--cream);cursor:pointer}
.opt:hover{border-color:var(--orange)}
.opt span{width:32px;height:32px;border-radius:50%;background:var(--peach);display:grid;place-items:center;font-weight:700;color:var(--orange-d)}
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.chip{padding:8px 18px;border-radius:99px;border:2px solid var(--ink);background:#fff;font-weight:500;cursor:pointer;font-family:inherit}
.chip.on{background:var(--ink);color:#fff}

/* teacher */
.avatar{width:120px;height:120px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-size:3.4rem;border:4px solid #fff;box-shadow:var(--shadow)}

/* footer */
.site-footer{background:var(--ink);color:#e9d9cc;padding:56px 0 28px;margin-top:40px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-footer h4{color:#fff;margin-bottom:12px;font-family:'Prompt'}
.site-footer li{list-style:none;margin:6px 0}
.site-footer a:hover{color:var(--orange-l)}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.85rem;opacity:.7}

@media(max-width:900px){
  .hero .wrap,.split,.site-footer .cols{grid-template-columns:1fr}
  .hero-art{margin:0 auto;max-width:320px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);flex-direction:column;padding:16px;border-bottom:1px solid rgba(0,0,0,.1)}
  .nav.open{display:flex}
}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* mascot + svg (no emoji) */
.logo-img{width:42px;height:42px;border-radius:50%;border:2px solid var(--ink)}
.hero-cat{position:relative;width:62%;height:auto;filter:drop-shadow(4px 5px 0 rgba(0,0,0,.25))}
.hero-art .ring-text{z-index:1}
.ico-svg{width:1.7rem;height:1.7rem;color:var(--ink)}
.card .icon .ico-svg{width:1.7rem;height:1.7rem}
.avatar .av{width:70%;height:70%;color:#fff}
.thumb .th{width:34%;height:auto;max-height:70%;color:var(--ink);opacity:.8}
.thumb .tag{z-index:1}
.site-footer h4{display:block}

.hero .btn:not(.primary){color:var(--ink)}
.hero-cat{width:54%;margin-top:6%}
.hero-art .ring-text{padding-top:34px;font-size:1.05rem;letter-spacing:.28em}
.hero-art .ring-text.bottom{padding:0;top:auto;bottom:34px}
.sticker.a{top:4%;right:-2%}
.meet-cat{background:var(--peach);border-radius:var(--radius);aspect-ratio:4/3;display:grid;place-items:center;border:2px solid var(--orange)}
.meet-cat img{height:88%;width:auto;filter:drop-shadow(3px 4px 0 rgba(0,0,0,.15))}

/* cart + quiz interactions */
.cart-btn{font-family:inherit;font-weight:500;font-size:1rem;background:var(--ink);color:#fff;border:0;border-radius:99px;padding:8px 16px;cursor:pointer;margin-left:6px}
.cart-count{display:inline-block;min-width:1.4em;text-align:center;background:var(--orange);border-radius:99px;margin-left:4px;font-size:.85rem}
.chip{cursor:pointer}.chip:focus-visible,.btn:focus-visible,.opt:focus-visible,.cart-btn:focus-visible{outline:3px solid var(--orange-d);outline-offset:2px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.product .btn{width:100%;justify-content:center}
.drawer{position:fixed;inset:0;z-index:100}
.drawer[hidden]{display:none}
.drawer-bg{position:absolute;inset:0;background:rgba(43,27,18,.5)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(420px,100%);background:var(--cream);padding:22px;overflow:auto;box-shadow:-10px 0 30px rgba(0,0,0,.2)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.drawer .x,.drawer .rm{background:none;border:0;font:inherit;color:var(--orange-d);cursor:pointer;text-decoration:underline}
.line{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid rgba(43,27,18,.12)}
.qty{display:flex;align-items:center;gap:8px}
.qty button{width:28px;height:28px;border-radius:50%;border:2px solid var(--ink);background:#fff;cursor:pointer;font:inherit;line-height:1}
.sum{display:flex;justify-content:space-between;font-size:1.2rem;padding:14px 0}
.order{width:100%;font:inherit;font-size:.9rem;padding:10px;border:2px solid var(--ink);border-radius:12px;background:#fff;resize:vertical}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.note{font-size:.85rem}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:10px 20px;border-radius:99px;opacity:0;pointer-events:none;transition:.25s;z-index:120}
.toast.show{opacity:1;transform:translate(-50%,0)}
button.opt{width:100%;text-align:left;font:inherit;color:inherit}
.opt:disabled{cursor:default}
.opt.correct{border-color:#2f9e5b;background:#d8f3e2}.opt.correct span{background:#2f9e5b;color:#fff}
.opt.wrong{border-color:#c0392b;background:#f9dcd7}.opt.wrong span{background:#c0392b;color:#fff}
.fb{margin-top:16px;min-height:1.5em}
.qnav{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.score{font-family:'Prompt';font-size:3.4rem;font-weight:800;color:var(--orange-d);line-height:1.1;margin:10px 0}
.score b{font-size:4.4rem}
.progress i{transition:width .3s}
@media(prefers-reduced-motion:reduce){.toast,.progress i{transition:none}}
@media(max-width:900px){.cart-btn{margin:6px 0 0}}

/* product, checkout, order, legal */
.narrow{max-width:760px}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:22px}.crumbs a{text-decoration:underline}
.pd{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.pd-img{aspect-ratio:1;border-radius:var(--radius);display:grid;place-items:center;position:relative;box-shadow:var(--shadow)}
.pd-img .th{width:40%;height:auto;max-height:70%;color:var(--ink);opacity:.8}
.pd-img .tag{position:absolute;top:16px;left:16px;background:var(--ink);color:#fff;font-size:.8rem;font-weight:600;padding:3px 14px;border-radius:99px}
.pd-info h1{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:10px}
.pd-info .price{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}.pd-info .price b{font-size:2rem}
.pd-desc p{margin-bottom:10px}.pd-info h3{margin:22px 0 8px}
.ticks{list-style:none}.ticks li{padding-left:28px;position:relative;margin:6px 0}
.ticks li::before{content:"";position:absolute;left:4px;top:.55em;width:10px;height:6px;border-left:3px solid var(--orange-d);border-bottom:3px solid var(--orange-d);transform:rotate(-45deg)}
.ticks.small li{margin:2px 0;font-size:.95rem}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 12px}
.co{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.fld{display:block;margin-top:16px;font-weight:600;font-size:.95rem}
.fld input,.fld textarea,.ad-form input,.ad-form textarea,.ad-form select,.ad-bar select{display:block;width:100%;margin-top:6px;font:inherit;padding:10px 14px;border:2px solid var(--ink);border-radius:12px;background:#fff;color:var(--ink)}
.chk{display:flex;gap:10px;align-items:flex-start;margin:16px 0;font-size:.95rem;cursor:pointer}
.chk input{width:auto!important;margin-top:.35em!important}
.err{color:#b3261e;font-weight:600;min-height:1.4em;margin:8px 0}
.okmsg{color:#1f7a45;font-weight:600;margin:8px 0}
.line{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid rgba(43,27,18,.12)}
.sum{display:flex;justify-content:space-between;font-size:1.2rem;padding:14px 0}
.oh{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px;gap:12px}.oh h1{font-size:clamp(1.6rem,4vw,2.2rem)}
.st{display:inline-block;padding:4px 14px;border-radius:99px;font-weight:600;font-size:.85rem;background:var(--peach);color:var(--orange-dd)}
.st-paid{background:#d8f3e2;color:#1f7a45}.st-slip{background:var(--butter);color:#7a5b00}.st-rejected{background:#f9dcd7;color:#b3261e}
.pay{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.qrbox{text-align:center}.qr{max-width:260px;margin:14px auto;background:#fff;padding:8px;border-radius:12px;border:2px solid var(--ink)}.qr svg{width:100%;height:auto}
.amt{font-family:'Prompt';font-size:2rem;font-weight:800;color:var(--orange-d)}
#slipf{margin:12px 0;max-width:100%}
.legal h2{font-size:1.25rem;margin:28px 0 8px}.legal p,.legal li{margin:6px 0}.legal ul{padding-left:22px}
.draft{background:var(--butter);border:2px dashed var(--orange-d);padding:12px 16px;border-radius:12px;margin:14px 0;font-size:.95rem}
.toggle,.qmeta{display:flex;justify-content:space-between;align-items:center}
.clock{font-family:'Prompt';font-weight:700;color:var(--orange-d)}.clock.low{color:#b3261e}
.rv{border-top:1px solid rgba(43,27,18,.12);padding:12px 0}.rv p{margin:3px 0}.rv-bad{color:#b3261e}.rv-ok{color:#1f7a45;font-weight:600}
a.thumb{color:inherit}
@media(max-width:900px){.pd,.co,.pay{grid-template-columns:1fr}}

/* store tools, account, learn */
.tools{display:flex;gap:10px;flex-wrap:wrap;margin:-8px 0 26px}
.tools input,.tools select{font:inherit;padding:10px 16px;border:2px solid var(--ink);border-radius:99px;background:#fff;color:var(--ink)}
.tools input{flex:1;min-width:200px}
.cloudbar{text-align:center;margin:-8px 0 22px;min-height:1.5em}
.inline{display:flex;gap:8px;align-items:center}.inline input{flex:1}
.lrn{display:grid;grid-template-columns:1fr 320px;gap:22px;align-items:start}
.player{position:relative;aspect-ratio:16/9;background:var(--ink);border-radius:var(--radius);overflow:hidden}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.wm{position:absolute;pointer-events:none;color:rgba(255,255,255,.55);font-weight:600;font-size:clamp(.7rem,1.6vw,1rem);text-shadow:0 0 4px rgba(0,0,0,.6);animation:drift 40s linear infinite;white-space:nowrap}
@keyframes drift{0%{left:3%;top:6%}25%{left:55%;top:12%}50%{left:40%;top:80%}75%{left:5%;top:60%}100%{left:3%;top:6%}}
.noembed{height:100%;display:grid;place-content:center;gap:14px;text-align:center;color:#fff}
.lessons{list-style:none;counter-reset:l;max-height:70vh;overflow:auto}
.lessons li{counter-increment:l}
.lessons button{display:block;width:100%;text-align:left;font:inherit;padding:12px 14px;border:0;border-bottom:1px solid rgba(43,27,18,.12);background:#fff;cursor:pointer}
.lessons button::before{content:counter(l) ". ";color:var(--orange-d);font-weight:700}
.lessons button.on{background:var(--peach);font-weight:600}
@media(max-width:900px){.lrn{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.wm{animation:none;left:3%;top:6%}}
[hidden]{display:none!important}

/* home: profile hero, encouragement, reviews */
.hero-art.profile{background:none;border:0;display:block}
.hero-profile{width:100%;height:100%;border-radius:50%;border:6px solid #fff;box-shadow:0 14px 30px -10px rgba(80,30,5,.45);object-fit:cover}
.profile-links{position:absolute;left:50%;bottom:-18px;transform:translateX(-50%);display:flex;gap:8px;white-space:nowrap}
.profile-links a{background:#fff;color:var(--ink);font-weight:600;font-size:.9rem;padding:6px 14px;border-radius:99px;border:2px solid var(--ink)}
.profile-links a:hover{background:var(--butter)}
.cheer{display:flex;align-items:center;gap:18px;background:var(--butter);border:2px solid var(--ink);border-radius:var(--radius);padding:18px 22px;box-shadow:6px 6px 0 var(--orange)}
.cheer img{width:64px;height:64px;border-radius:50%;border:2px solid var(--ink);flex:none}
.cheer p{flex:1;font-family:'Prompt';font-weight:700;font-size:clamp(1.05rem,2.2vw,1.3rem)}
.review{display:flex;flex-direction:column;gap:12px;margin:0}
.review .stars{color:var(--orange);letter-spacing:.12em;font-size:1.1rem}
.review blockquote{font-size:1.05rem;flex:1}
.review figcaption{display:flex;flex-direction:column;font-size:.92rem}
@media(max-width:560px){.cheer{flex-direction:column;text-align:center}}

/* prep page tabs */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.tabs [role=tab]{padding:10px 20px;border-radius:99px;border:2px solid var(--ink);background:#fff;font:inherit;font-weight:600;cursor:pointer;color:var(--ink)}
.tabs [role=tab][aria-selected=true]{background:var(--ink);color:#fff}
.tabs [role=tab]:focus-visible{outline:3px solid var(--orange-d);outline-offset:2px}
.steps{counter-reset:s;list-style:none;display:grid;gap:16px}
.steps li{counter-increment:s;position:relative;padding-left:58px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-family:'Prompt';font-weight:800}
.nav a{white-space:nowrap}
@media(max-width:1180px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);flex-direction:column;padding:16px;border-bottom:1px solid rgba(0,0,0,.1)}
  .nav.open{display:flex}
}