:root{--ink:#243149;--muted:#667085;--cream:#fff7df;--surface:#fff;--purple:#7557d3;--purple-dark:#6044bc;--yellow:#ffd85b;--pink:#ff8fb1;--blue:#69c7ff;--mint:#70ddba;--orange:#ffad61;--border:#e9e2d5;--focus:#173f80;--r1:16px;--r2:24px;--r3:32px;--shadow:0 16px 40px rgba(63,49,93,.12);--font:"Poppins",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#fff7df 0,#fffdf8 480px,#f7fbff 100%);font-family:var(--font);min-height:100vh;overflow-x:hidden}button,a{font:inherit}button{cursor:pointer}.sky{position:absolute;inset:0 0 auto;height:430px;overflow:hidden;pointer-events:none}.sky span{position:absolute;border-radius:999px;opacity:.55;filter:blur(2px)}.sky span:nth-child(1){width:260px;height:260px;background:#ffe183;top:-100px;right:8%}.sky span:nth-child(2){width:190px;height:190px;background:#a8ddff;top:90px;left:-70px}.sky span:nth-child(3){width:120px;height:120px;background:#ffb9cf;top:210px;right:-25px}.topbar,main,footer{position:relative;z-index:1}.topbar{max-width:1180px;margin:auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:54px;height:54px;background:var(--purple);color:white;border-radius:18px;font-weight:800;font-size:20px;box-shadow:0 8px 18px rgba(117,87,211,.28);transform:rotate(-4deg)}.brand strong{display:block;font-size:20px;line-height:1.1}.brand small{display:block;color:var(--muted);margin-top:2px}.sound-toggle{border:1px solid rgba(36,49,73,.1);background:rgba(255,255,255,.78);backdrop-filter:blur(12px);border-radius:999px;padding:11px 16px;display:flex;gap:8px;align-items:center;color:var(--ink);font-weight:600}.sound-toggle:hover{background:#fff}.sound-icon{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);font-weight:800}.hero{max-width:1180px;margin:0 auto;padding:62px 24px 70px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:52px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:800;color:var(--purple);margin:0 0 12px}.hero h1{font-size:clamp(38px,5.6vw,72px);line-height:1.02;letter-spacing:-.045em;margin:0;max-width:820px}.hero h1 span{color:var(--purple)}.hero-text{font-size:17px;line-height:1.8;color:var(--muted);max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.primary-btn,.secondary-btn{border:0;border-radius:16px;padding:14px 20px;font-weight:700;min-height:50px}.primary-btn{background:var(--purple);color:white;box-shadow:0 9px 20px rgba(117,87,211,.2)}.primary-btn:hover{background:var(--purple-dark);transform:translateY(-1px)}.secondary-btn{background:white;color:var(--ink);border:1px solid var(--border)}.secondary-btn:hover{border-color:#c9bedf}.compact{padding:10px 15px;min-height:42px}.hero-card{background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.95);box-shadow:var(--shadow);border-radius:var(--r3);padding:30px;text-align:center;transform:rotate(1.5deg)}.mascot-face{width:120px;height:120px;margin:0 auto 20px;border-radius:42% 58% 52% 48%;background:var(--yellow);position:relative;box-shadow:inset 0 -8px 0 rgba(0,0,0,.04)}.eye{position:absolute;width:12px;height:18px;border-radius:50%;background:var(--ink);top:42px}.eye.left{left:34px}.eye.right{right:34px}.smile{position:absolute;left:42px;top:66px;width:38px;height:22px;border-bottom:5px solid var(--ink);border-radius:0 0 30px 30px}.hero-card strong{display:block;font-size:36px}.hero-card>div:nth-of-type(2) span{display:block;color:var(--muted);font-size:13px}.progress-track{height:12px;background:#eee9f7;border-radius:99px;overflow:hidden;margin:18px 0 10px}.progress-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--mint),var(--purple));border-radius:99px;transition:width .35s ease}.hero-card small{color:var(--muted)}.learn-shell{max-width:1180px;margin:0 auto 70px;padding:30px 24px 40px}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:24px}.section-head h2,.tips h2{font-size:clamp(28px,4vw,42px);line-height:1.15;letter-spacing:-.03em;margin:0}.tabs{display:flex;background:#eeeaf8;padding:5px;border-radius:17px;gap:4px}.tab{border:0;background:transparent;padding:10px 18px;border-radius:13px;font-weight:700;color:#665f78}.tab.active{background:white;color:var(--purple);box-shadow:0 4px 12px rgba(60,40,90,.09)}.panel-note{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:8px 2px 18px}.panel-note span{color:var(--muted);font-size:14px}.learning-grid{display:grid;gap:14px}.letters-grid{grid-template-columns:repeat(7,minmax(0,1fr))}.numbers-grid{grid-template-columns:repeat(7,minmax(0,1fr))}.learn-card{position:relative;border:0;border-radius:24px;min-height:124px;padding:13px;background:#fff;box-shadow:0 8px 24px rgba(51,65,85,.08);display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;transition:transform .15s ease,box-shadow .15s ease}.learn-card:hover{transform:translateY(-4px);box-shadow:0 15px 28px rgba(51,65,85,.13)}.learn-card:active{transform:scale(.97)}.learn-card .big{font-size:46px;font-weight:800;line-height:1}.learn-card .small{font-size:15px;font-weight:700;color:rgba(36,49,73,.6)}.learn-card .heard{position:absolute;right:10px;top:10px;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;font-size:13px;background:#fff;border:1px solid rgba(36,49,73,.08);opacity:0}.learn-card.visited .heard{opacity:1}.learn-card:nth-child(5n+1){background:#fff0b7}.learn-card:nth-child(5n+2){background:#dff3ff}.learn-card:nth-child(5n+3){background:#ffe0ea}.learn-card:nth-child(5n+4){background:#daf8ee}.learn-card:nth-child(5n){background:#eee6ff}.learn-card.playing{outline:4px solid white;box-shadow:0 0 0 7px var(--purple),0 18px 32px rgba(71,49,112,.2);transform:translateY(-4px)}.hidden{display:none!important}.game-card{max-width:720px;margin:20px auto 0;background:#fff;border-radius:var(--r3);box-shadow:var(--shadow);padding:36px;text-align:center}.game-badge{display:inline-flex;background:#fff0b7;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.game-card h3{font-size:32px;margin:16px 0 4px}.game-card p{color:var(--muted);margin:0 0 18px}.game-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:26px 0}.choice{border:0;border-radius:22px;min-height:110px;font-size:44px;font-weight:800;background:#f1edfb;color:var(--ink)}.choice:hover{background:#e6defa}.choice.correct{background:#c9f6e6}.choice.wrong{background:#ffd8e4}.game-feedback{min-height:28px;margin:0 0 18px;font-weight:600}.tips{max-width:1180px;margin:0 auto;padding:20px 24px 80px}.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.tip-grid article{background:white;border:1px solid #edf0f4;border-radius:24px;padding:24px}.tip-grid strong{font-size:18px}.tip-grid p{color:var(--muted);line-height:1.7;margin-bottom:0}footer{border-top:1px solid #e8ecf2;max-width:1180px;margin:auto;padding:28px 24px 34px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:13px}footer span:first-child{font-weight:800;color:var(--ink)}.toast{position:fixed;z-index:10;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:11px 16px;border-radius:999px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:.2s ease;box-shadow:0 10px 24px rgba(0,0,0,.16)}.toast.show{opacity:1;transform:translate(-50%,0)}button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:28px;padding-top:38px}.hero-card{max-width:420px;justify-self:center;width:100%}.letters-grid,.numbers-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.section-head{align-items:flex-start;flex-direction:column}.tip-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.topbar{padding:15px 16px}.brand small{display:none}.brand-mark{width:46px;height:46px;border-radius:15px}.sound-toggle{padding:9px 12px}.sound-toggle #soundLabel{display:none}.hero{padding:38px 16px 52px}.hero h1{font-size:42px}.hero-text{font-size:15px}.hero-actions>*{flex:1 1 145px}.learn-shell{padding:24px 14px 34px}.tabs{width:100%}.tab{flex:1}.panel-note{align-items:flex-start;flex-direction:column}.letters-grid,.numbers-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.learn-card{min-height:106px;border-radius:20px;padding:12px}.learn-card .big{font-size:38px}.game-card{padding:24px 16px}.game-choices{gap:8px}.choice{min-height:90px;font-size:38px}.tips{padding:10px 16px 60px}.tip-grid{grid-template-columns:1fr}footer{padding:22px 16px calc(28px + env(safe-area-inset-bottom));flex-direction:column}}
@media(max-width:370px){.letters-grid,.numbers-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.learn-card:hover{transform:none}}