@font-face{font-family:Fredoka;src:url(fonts/fredoka700.ttf) format("truetype");font-weight:700;font-display:swap}
:root{--ink:#1b2242;--soft:#4a5578;--cream:#fff8e6;--sun:#ffc21a;--sun-d:#d18f00;--blue:#1d7cf2}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.55 system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--cream);overflow-x:hidden}
a{color:#1756c9}
img{max-width:100%}
h1,h2,h3,.brand span,.btn,.chip,.p-name,.p-count,.sticker,.counters b,.foot-brand,.ribbon,.go,.bubble,.num,.float-badge{font-family:Fredoka,system-ui,sans-serif;font-weight:700}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* ---------- top bar ---------- */
.top{position:absolute;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:10px;max-width:1240px;margin:0 auto;padding:12px 18px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:#fff}
.brand img{filter:drop-shadow(0 5px 6px rgba(0,40,90,.35));transition:transform .3s}
.brand:hover img{transform:rotate(-12deg) scale(1.08)}
.brand span{font-size:28px;letter-spacing:.3px;text-shadow:0 2px 0 #1d5fd1,0 3px 0 #1a55bd,0 4px 0 #154aa6,0 8px 10px rgba(0,30,80,.35)}
.top nav{display:flex;gap:8px}
.top nav a{text-decoration:none;color:#123a7a;font:700 16px Fredoka,system-ui;padding:9px 15px;border-radius:99px;background:linear-gradient(#fff,#e6f3ff);box-shadow:inset 0 -3px 0 rgba(20,70,140,.12),0 4px 0 rgba(20,70,140,.28),0 8px 12px rgba(0,30,80,.15);transition:transform .15s}
.top nav a:hover{transform:translateY(-3px)}
.top nav a.yt{background:linear-gradient(#ff6a6a,#e81e1e);color:#fff;box-shadow:inset 0 2px 0 rgba(255,255,255,.35),0 4px 0 #a50d0d,0 8px 12px rgba(0,0,0,.2)}

/* ---------- 3D bubbly lettering ---------- */
.pop3d{margin:0;line-height:1.05;font-size:clamp(40px,8.2vw,92px);letter-spacing:.5px}
.pop3d .w{display:inline-block;white-space:nowrap}
.pop3d .l{display:inline-block;color:#fff;-webkit-text-stroke:7px #fff;paint-order:stroke fill;
 text-shadow:0 2px 0 var(--ld,#1d5fd1),0 4px 0 var(--ld,#1d5fd1),0 6px 0 var(--ld,#1d5fd1),0 8px 0 var(--ld,#1d5fd1),0 10px 0 var(--ld,#174fb6),0 18px 20px rgba(0,20,70,.35);
 animation:drop .7s cubic-bezier(.3,1.6,.5,1) both;animation-delay:calc(var(--i)*45ms + .1s);transition:transform .2s}
.pop3d .l:hover{transform:translateY(-14px) rotate(-8deg) scale(1.1)}
@keyframes drop{0%{transform:translateY(-120px) scale(.4);opacity:0}100%{transform:none;opacity:1}}
.rainbow-letters .l{color:var(--lc)}
.rainbow-letters .l:nth-child(6n+1){--lc:#ff4f6d;--ld:#c21f45}
.rainbow-letters .l:nth-child(6n+2){--lc:#ff9a1f;--ld:#cc6a00}
.rainbow-letters .l:nth-child(6n+3){--lc:#ffd21a;--ld:#d19a00}
.rainbow-letters .l:nth-child(6n+4){--lc:#36c95a;--ld:#1e8c3b}
.rainbow-letters .l:nth-child(6n+5){--lc:#2f8dff;--ld:#1259b8}
.rainbow-letters .l:nth-child(6n){--lc:#9a5bff;--ld:#6a2fd6}
.pop3d.small{font-size:clamp(34px,6vw,60px);color:#fff;-webkit-text-stroke:0;text-shadow:0 2px 0 #1d5fd1,0 4px 0 #1a55bd,0 6px 0 #154aa6,0 12px 16px rgba(0,30,80,.35)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(860px,100svh);padding:96px 16px 0;text-align:center;overflow:hidden;
 background:radial-gradient(ellipse at 50% 120%,#e9fbff 0,transparent 55%),linear-gradient(180deg,#3aa0ff 0%,#69bfff 35%,#a9ddff 70%,#d6f1ff 100%)}
.hero-in{position:relative;z-index:6;max-width:900px;margin:0 auto}
.hero-logo{width:clamp(120px,18vw,190px);height:auto;filter:drop-shadow(0 16px 18px rgba(0,40,100,.4));animation:bob 4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-10px) rotate(-3deg)}}
.lead{font-size:clamp(18px,2.4vw,23px);max-width:640px;margin:14px auto 22px;color:#0e2552;font-weight:600;text-shadow:0 1px 0 rgba(255,255,255,.6)}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.scene{position:absolute;left:0;right:0;bottom:0;width:100%;height:62%;z-index:2}
.scene .hill{transition:transform .2s ease-out}
.scene .win{animation:glow 3s ease-in-out infinite}
@keyframes glow{50%{fill:#ffe066}}
.rainbow{transform-origin:720px 520px;animation:rise 1.4s .4s cubic-bezier(.3,1.4,.5,1) both}
@keyframes rise{from{transform:scale(.2);opacity:0}}
.hero-kids{position:absolute;z-index:5;left:0;right:0;bottom:2%;display:flex;justify-content:center;align-items:flex-end;gap:clamp(0px,1vw,10px)}
.hero-kids img{height:clamp(84px,13vw,150px);width:auto;filter:drop-shadow(0 10px 8px rgba(0,50,0,.3));animation:hop 2.6s ease-in-out infinite;animation-delay:calc(var(--i)*.22s);transform-origin:bottom}
@keyframes hop{0%,60%,100%{transform:none}70%{transform:translateY(-16px) rotate(-3deg)}80%{transform:translateY(0) scaleY(.95)}}
.sun{position:absolute;z-index:1;top:70px;right:6%;width:120px;height:120px}
.sun .face{position:absolute;inset:18px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff7b0,#ffd21a 55%,#ffad00);box-shadow:0 0 40px 12px rgba(255,220,80,.6)}
.sun .rays{position:absolute;inset:-26px;border-radius:50%;background:repeating-conic-gradient(rgba(255,240,150,.55) 0 10deg,transparent 10deg 30deg);animation:spin 30s linear infinite;-webkit-mask:radial-gradient(circle,transparent 40%,#000 41%,#000 60%,transparent 72%);mask:radial-gradient(circle,transparent 40%,#000 41%,#000 60%,transparent 72%)}
@keyframes spin{to{transform:rotate(360deg)}}
.clouds i{position:absolute;z-index:1;display:block;width:180px;height:56px;border-radius:60px;background:#fff;opacity:.95;box-shadow:inset 0 -8px 0 #e3f1ff,0 10px 18px rgba(0,60,140,.12);animation:drift linear infinite}
.clouds i::before,.clouds i::after{content:"";position:absolute;background:#fff;border-radius:50%}
.clouds i::before{width:80px;height:80px;left:24px;top:-40px}.clouds i::after{width:62px;height:62px;left:86px;top:-28px}
.clouds .c1{top:16%;animation-duration:70s;animation-delay:-10s}
.clouds .c2{top:30%;transform:scale(.7);animation-duration:95s;animation-delay:-50s;opacity:.8}
.clouds .c3{top:8%;transform:scale(.55);animation-duration:85s;animation-delay:-30s;opacity:.75}
.clouds .c4{top:40%;transform:scale(.85);animation-duration:110s;animation-delay:-80s}
@keyframes drift{from{left:-240px}to{left:110%}}
.twinkles i{position:absolute;z-index:1;left:var(--x);top:var(--y);width:22px;height:22px;animation:twinkle 2.6s ease-in-out infinite;animation-delay:var(--d)}
.twinkles svg{width:100%;height:100%;fill:#fff;filter:drop-shadow(0 0 6px #fff7b0)}
@keyframes twinkle{0%,100%{transform:scale(.4) rotate(0);opacity:.3}50%{transform:scale(1.1) rotate(45deg);opacity:1}}
.flyer{position:absolute;z-index:4;pointer-events:none;filter:drop-shadow(0 14px 14px rgba(0,40,90,.3))}
.f-zoomer{top:20%;width:clamp(120px,15vw,210px);animation:fly 16s linear infinite}
@keyframes fly{0%{left:-260px;transform:translateY(0) rotate(-4deg)}25%{transform:translateY(-30px) rotate(2deg)}50%{transform:translateY(10px) rotate(-3deg)}75%{transform:translateY(-20px) rotate(3deg)}100%{left:110%;transform:translateY(0) rotate(-4deg)}}
.f-fairy{left:4%;top:34%;width:clamp(90px,10vw,150px);animation:float 5s ease-in-out infinite}
.f-hero{right:4%;top:44%;width:clamp(110px,12vw,180px);animation:float 4.2s ease-in-out infinite reverse}
.f-oxy{left:12%;top:15%;width:clamp(70px,7vw,110px);animation:float 6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-22px) rotate(4deg)}}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-block;text-decoration:none;text-align:center;border-radius:22px;padding:12px 22px;font-size:19px;transition:transform .12s,box-shadow .12s;border:0;cursor:pointer;overflow:hidden}
.btn.big{padding:16px 28px;font-size:22px}
.btn::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.7),transparent);transform:skewX(-20deg);animation:sweep 3.6s ease-in-out infinite}
@keyframes sweep{0%,70%{left:-60%}100%{left:130%}}
.btn.play{background:linear-gradient(#ffe875,#ffc21a 55%,#f5a800);color:#4a2c00;box-shadow:inset 0 3px 0 rgba(255,255,255,.75),inset 0 -4px 0 rgba(180,110,0,.25),0 7px 0 var(--sun-d),0 14px 20px rgba(0,0,0,.2)}
.btn.print{background:linear-gradient(#fff,#e6eeff);color:#1d3c8f;box-shadow:inset 0 3px 0 #fff,inset 0 -4px 0 rgba(30,60,140,.08),0 7px 0 #a9bbe6,0 14px 20px rgba(0,0,0,.12)}
.btn.print::after{display:none}
.btn.yt{background:linear-gradient(#ff6d6d,#ec2424 55%,#d01414);color:#fff;box-shadow:inset 0 3px 0 rgba(255,255,255,.4),0 7px 0 #a50d0d,0 14px 20px rgba(0,0,0,.2)}
.btn:hover{transform:translateY(-3px) scale(1.03)}
.btn:active{transform:translateY(5px);box-shadow:0 2px 0 rgba(0,0,0,.25)}
.btn.mega{display:flex;flex-direction:column;align-items:center;width:100%;margin:12px 0 18px;padding:16px 18px}
.btn.mega span{font-size:24px}.btn.mega small{font:600 14px system-ui;opacity:.75}

/* ---------- section titles ---------- */
main{max-width:1200px;margin:0 auto;padding:0 18px 60px}
.section-title{text-align:center;font-size:clamp(32px,5.4vw,54px);margin:60px 0 26px;color:#fff;-webkit-text-stroke:6px #1b2242;paint-order:stroke fill;
 text-shadow:0 3px 0 #1b2242,0 6px 0 #1b2242,0 12px 16px rgba(0,0,0,.2)}
.section-title.left{text-align:left;margin-top:0}
.home .section-title{color:#ffd21a}

/* ---------- subject portals ---------- */
.portals-wrap{padding-top:10px}
.portals{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:70px}
.portal{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;min-height:240px;padding:0 10px 18px;border-radius:30px;text-decoration:none;color:#fff;
 background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.4),transparent 45%),radial-gradient(rgba(255,255,255,.18) 2px,transparent 2.5px) 0 0/18px 18px,linear-gradient(160deg,color-mix(in srgb,var(--c) 75%,#fff),var(--c) 60%,var(--d));
 box-shadow:inset 0 4px 0 rgba(255,255,255,.35),inset 0 -6px 0 rgba(0,0,0,.12),0 10px 0 var(--d),0 22px 28px rgba(0,0,0,.2);transform-style:preserve-3d;transition:transform .2s}
.portal img{position:absolute;bottom:112px;left:50%;width:78%;max-height:170px;object-fit:contain;transform:translateX(-50%);filter:drop-shadow(0 12px 10px rgba(0,0,0,.3));transition:transform .3s cubic-bezier(.3,1.6,.5,1)}
.portal:hover img{transform:translateX(-50%) translateY(-18px) scale(1.1) rotate(-4deg)}
.p-name{font-size:clamp(19px,2vw,25px);line-height:1.1;text-align:center;text-shadow:0 2px 0 var(--d),0 4px 0 var(--d),0 6px 8px rgba(0,0,0,.25)}
.p-count{margin-top:8px;font-size:14px;background:rgba(255,255,255,.95);color:var(--d);padding:5px 12px;border-radius:99px;box-shadow:0 3px 0 rgba(0,0,0,.15)}

/* ---------- counters ---------- */
.counters{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:56px 0 10px;padding:22px;border-radius:30px;background:linear-gradient(135deg,#1d7cf2,#7b4dff);box-shadow:inset 0 4px 0 rgba(255,255,255,.25),0 10px 0 #4a2bb0,0 22px 30px rgba(60,30,160,.3);text-align:center;color:#fff}
.counters b{display:block;font-size:clamp(38px,6vw,64px);line-height:1;color:#ffd21a;text-shadow:0 3px 0 #c98a00,0 6px 0 #a66f00,0 10px 14px rgba(0,0,0,.3)}
.counters span{font-weight:700;font-size:16px}

/* ---------- subject ribbons + cards ---------- */
.subject{scroll-margin-top:20px;margin-top:40px}
.ribbon{position:relative;display:table;margin:40px auto 34px;padding:10px 40px;font-size:clamp(26px,4vw,38px);color:#fff;background:linear-gradient(var(--c),var(--d));border-radius:12px;
 box-shadow:inset 0 3px 0 rgba(255,255,255,.35),0 7px 0 color-mix(in srgb,var(--d) 70%,#000),0 14px 20px rgba(0,0,0,.18);text-shadow:0 3px 0 var(--d),0 5px 8px rgba(0,0,0,.25)}
.ribbon::before,.ribbon::after{content:"";position:absolute;top:14px;width:34px;height:100%;background:var(--d);z-index:-1;filter:brightness(.8)}
.ribbon::before{left:-24px;clip-path:polygon(0 0,100% 0,100% 100%,0 100%,30% 50%)}
.ribbon::after{right:-24px;clip-path:polygon(0 0,100% 0,70% 50%,100% 100%,0 100%)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:56px 26px;padding-top:40px}
.subject .grid{justify-content:center;grid-template-columns:repeat(auto-fit,minmax(260px,330px))}
.card{position:relative;display:flex;flex-direction:column;background:#fff;border-radius:28px;text-decoration:none;color:var(--ink);border:4px solid #fff;
 box-shadow:0 0 0 4px var(--c),0 12px 0 4px var(--d),0 26px 34px rgba(0,0,0,.18);transform-style:preserve-3d;transition:transform .25s cubic-bezier(.3,1.5,.5,1),box-shadow .25s}
.card:hover{box-shadow:0 0 0 4px var(--c),0 16px 0 4px var(--d),0 36px 44px rgba(0,0,0,.24)}
.card-pic{position:relative;display:block;border-radius:22px 22px 0 0;overflow:hidden;aspect-ratio:16/9}
.card-pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.card:hover .card-pic img{transform:scale(1.07)}
.shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 45%,transparent 60%);transform:translateX(-120%);transition:transform .7s}
.card:hover .shine{transform:translateX(120%)}
.card-char{position:absolute;z-index:3;right:-20px;top:-92px;width:120px;height:120px;display:flex;align-items:flex-end;justify-content:center;pointer-events:none}
.card-char img{max-width:100%;max-height:100%;object-fit:contain;filter:drop-shadow(0 10px 8px rgba(0,0,0,.3));transition:transform .35s cubic-bezier(.3,1.8,.5,1);transform-origin:bottom}
.card:hover .card-char img{transform:translateY(-14px) rotate(8deg) scale(1.15)}
.sticker{position:absolute;z-index:2;right:12px;top:-40px;display:grid;place-items:center;width:74px;height:74px;border-radius:50%;font-size:13px;line-height:1.05;text-align:center;color:#4a2c00;
 background:radial-gradient(circle at 35% 30%,#fff6b0,#ffd21a 55%,#f5a800);box-shadow:inset 0 -4px 0 rgba(180,110,0,.3),0 5px 0 #c98a00,0 10px 14px rgba(0,0,0,.25);transform:rotate(-14deg);animation:wiggle 4s ease-in-out infinite}
@keyframes wiggle{0%,90%,100%{transform:rotate(-14deg)}93%{transform:rotate(-2deg) scale(1.1)}96%{transform:rotate(-20deg)}}
.card-body{position:relative;display:flex;flex-direction:column;padding:14px 18px 18px;flex:1}
.chip{align-self:flex-start;font-size:13px;color:#fff;background:var(--c);padding:4px 12px;border-radius:99px;box-shadow:0 3px 0 var(--d)}
.chip.big{font-size:16px;padding:6px 16px;background:rgba(255,255,255,.95);color:var(--d);box-shadow:0 4px 0 rgba(0,0,0,.15)}
.card h3{margin:10px 0 2px;font-size:23px;line-height:1.15}
.topic{color:var(--soft);flex:1}
.go{margin-top:14px;align-self:flex-start;font-size:18px;color:#fff;background:linear-gradient(var(--c),var(--d));padding:8px 18px;border-radius:99px;box-shadow:0 4px 0 color-mix(in srgb,var(--d) 70%,#000)}
.go b{display:inline-block;transition:transform .2s}.card:hover .go b{transform:translateX(5px)}

/* ---------- showcase ---------- */
.showcase{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;margin:90px 0 20px;padding:44px;border-radius:40px;
 background:radial-gradient(rgba(255,255,255,.5) 2px,transparent 2.5px) 0 0/22px 22px,linear-gradient(135deg,#ffe1f0,#e6dcff 50%,#d6f1ff);box-shadow:inset 0 4px 0 #fff,0 12px 0 #d8c6f5,0 26px 36px rgba(90,40,160,.15)}
.showcase p{font-size:19px}
.perks{list-style:none;padding:0;margin:18px 0 26px}
.perks li{background:#fff;border-radius:16px;padding:10px 14px;margin:10px 0;box-shadow:0 4px 0 #e0d4f7}
.devices{position:relative;min-height:440px}
.tablet{position:relative;width:88%;padding:16px;border-radius:30px;background:linear-gradient(145deg,#3b4466,#1b2242);box-shadow:inset 0 2px 0 rgba(255,255,255,.2),0 14px 0 #0f1430,0 30px 40px rgba(0,0,0,.3);transform:rotate(-3deg);transition:transform .25s}
.tablet img{display:block;border-radius:16px;width:100%}
.phone{position:absolute;right:0;bottom:-10px;width:32%;padding:9px;border-radius:30px;background:linear-gradient(145deg,#ff7aa8,#e8417a);box-shadow:inset 0 2px 0 rgba(255,255,255,.35),0 10px 0 #b0285a,0 24px 30px rgba(0,0,0,.3);transform:rotate(6deg);animation:float 5s ease-in-out infinite}
.phone img{display:block;border-radius:22px;width:100%}
.float-badge{position:absolute;z-index:3;background:#fff;padding:10px 16px;border-radius:99px;font-size:18px;box-shadow:0 5px 0 #d6c8f2,0 12px 18px rgba(0,0,0,.15);animation:float 4s ease-in-out infinite}
.float-badge.b1{left:-10px;top:-24px;color:#7b4dff}.float-badge.b2{left:30%;bottom:-24px;color:#e8417a;animation-delay:-2s}

/* ---------- grown-ups ---------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust div{background:#fff;border-radius:26px;padding:22px 20px;text-align:center;box-shadow:0 8px 0 #f1dca6,0 18px 26px rgba(0,0,0,.08)}
.trust .ic{display:inline-grid;place-items:center;width:72px;height:72px;border-radius:50%;font-size:36px;background:radial-gradient(circle at 35% 30%,#fff,#ffe9a8 60%,#ffd25a);box-shadow:inset 0 -4px 0 rgba(200,140,0,.25),0 5px 0 #e2b23c}
.trust h3{margin:12px 0 4px;font-size:22px}.trust p{margin:0;color:var(--soft)}
.contact{text-align:center;font-size:18px;margin-top:26px}

/* ---------- subscribe band ---------- */
.subscribe{position:relative;margin:80px 0 0;padding:44px 20px;border-radius:40px;text-align:center;color:#fff;
 background:radial-gradient(rgba(255,255,255,.18) 2px,transparent 2.5px) 0 0/20px 20px,linear-gradient(135deg,#ff5a7a,#ff8a3d);box-shadow:inset 0 4px 0 rgba(255,255,255,.3),0 12px 0 #c43a3a,0 26px 36px rgba(200,60,60,.3)}
.subscribe h2{font-size:clamp(30px,5vw,50px);margin:0;text-shadow:0 3px 0 #c43a3a,0 6px 0 #a52a2a,0 10px 14px rgba(0,0,0,.25)}
.subscribe p{font-size:20px;font-weight:700;margin:8px 0 22px}
.subscribe .btn.yt{background:linear-gradient(#fff,#ffeaea);color:#e81e1e;box-shadow:inset 0 3px 0 #fff,0 7px 0 #b51c1c,0 14px 20px rgba(0,0,0,.2)}
.sub-char{position:absolute;bottom:-10px;width:clamp(90px,14vw,170px);filter:drop-shadow(0 12px 10px rgba(0,0,0,.3));animation:float 4.5s ease-in-out infinite}
.sub-char.l{left:-10px}.sub-char.r{right:-16px;animation-delay:-2s}

/* ---------- lesson page ---------- */
.lesson-hero{position:relative;padding:100px 18px 70px;color:#fff;overflow:hidden;
 background:radial-gradient(circle at 80% 40%,rgba(255,255,255,.35),transparent 40%),radial-gradient(rgba(255,255,255,.2) 2px,transparent 2.5px) 0 0/22px 22px,linear-gradient(160deg,color-mix(in srgb,var(--c) 70%,#fff),var(--c) 50%,var(--d))}
.lh-in{position:relative;z-index:2;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:center}
.crumb{margin:0 0 12px;font-weight:700}.crumb a{color:#fff}.crumb span{opacity:.7}
.lesson-hero .pop3d{font-size:clamp(38px,6.4vw,76px);margin:14px 0 8px}
.lesson-hero .pop3d .l{color:var(--c);--ld:var(--d)}
.lh-topic{font:700 clamp(20px,2.6vw,28px) Fredoka,system-ui;margin:4px 0 0;text-shadow:0 2px 0 var(--d)}
.lh-char{position:relative;display:flex;justify-content:center;align-items:center;min-height:300px}
.lh-char img{position:relative;z-index:2;max-height:340px;max-width:100%;filter:drop-shadow(0 20px 18px rgba(0,0,0,.35));animation:float 4s ease-in-out infinite}
.halo{position:absolute;width:300px;height:300px;border-radius:50%;background:repeating-conic-gradient(rgba(255,255,255,.28) 0 12deg,transparent 12deg 24deg);animation:spin 26s linear infinite;-webkit-mask:radial-gradient(circle,#000 30%,transparent 70%);mask:radial-gradient(circle,#000 30%,transparent 70%)}
.bubble{position:absolute;z-index:3;top:4%;left:-4%;background:#fff;color:var(--d);padding:10px 16px;border-radius:22px;font-size:18px;box-shadow:0 5px 0 rgba(0,0,0,.15);animation:pop-in .6s 1s cubic-bezier(.3,1.8,.5,1) both}
.bubble::after{content:"";position:absolute;bottom:-12px;right:30px;border:12px solid transparent;border-top-color:#fff;border-bottom:0}
@keyframes pop-in{from{transform:scale(0);opacity:0}}
.wave{position:absolute;left:0;bottom:-1px;width:100%;height:60px;z-index:1}
.lesson{padding-top:10px}
.lesson-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:34px;align-items:start;margin-top:-30px;position:relative;z-index:3}
.tv{position:relative;padding:18px 18px 46px;border-radius:34px;background:linear-gradient(160deg,color-mix(in srgb,var(--c) 80%,#fff),var(--c) 50%,var(--d));box-shadow:inset 0 4px 0 rgba(255,255,255,.4),inset 0 -6px 0 rgba(0,0,0,.15),0 12px 0 color-mix(in srgb,var(--d) 70%,#000),0 28px 36px rgba(0,0,0,.25)}
.antenna{position:absolute;top:-46px;left:50%;width:90px;height:50px;transform:translateX(-50%)}
.antenna::before,.antenna::after{content:"";position:absolute;bottom:0;width:6px;height:56px;background:var(--d);border-radius:3px;transform-origin:bottom}
.antenna::before{left:22px;transform:rotate(-28deg)}.antenna::after{right:22px;transform:rotate(28deg)}
.knobs{position:absolute;bottom:12px;right:26px;display:flex;gap:10px}
.knobs i{width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#ffd21a 60%,#c98a00);box-shadow:0 3px 0 rgba(0,0,0,.25)}
.video{position:relative;border-radius:20px;overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:inset 0 0 0 4px rgba(0,0,0,.25)}
.video iframe,.play-video{position:absolute;inset:0;width:100%;height:100%;border:0}
.play-video{padding:0;cursor:pointer;background:#000}
.play-video img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.play-video:hover img{transform:scale(1.04)}
.bigplay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:96px;height:96px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ff8a8a,#e81e1e 60%,#b00);color:#fff;font-size:38px;display:grid;place-items:center;padding-left:6px;box-shadow:0 0 0 8px rgba(255,255,255,.6),0 8px 0 #8a0000,0 16px 24px rgba(0,0,0,.4);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 18px rgba(255,255,255,.25),0 8px 0 #8a0000,0 16px 24px rgba(0,0,0,.4)}}
.play-video.waiting{cursor:default}.play-video.waiting .bigplay{display:none}.play-video.waiting img{filter:brightness(.55)}
.soon{position:absolute;left:12px;right:12px;bottom:12px;margin:0;background:#fff;border-radius:16px;padding:10px 14px;font-weight:700;box-shadow:0 4px 0 #ccc}
.mission{background:#fff;border-radius:30px;padding:22px 24px 8px;box-shadow:0 0 0 4px var(--c),0 12px 0 4px var(--d),0 26px 34px rgba(0,0,0,.15)}
.step{display:flex;gap:14px}.step>div{flex:1;min-width:0}
.num{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;font-size:24px;color:#fff;background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--c) 60%,#fff),var(--c) 60%,var(--d));box-shadow:0 4px 0 var(--d)}
.step h2{margin:6px 0 4px;font-size:25px;color:var(--d)}.step p{margin:0 0 16px}
.learn{margin:50px 0 10px;padding:26px 28px;border-radius:30px;background:#fff;box-shadow:0 10px 0 #f1dca6,0 22px 30px rgba(0,0,0,.08)}
.learn h2{margin:0 0 14px;font-size:30px;text-align:center}
.learn ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.learn li{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:18px;font-weight:700;background:color-mix(in srgb,var(--c) 12%,#fff);box-shadow:0 4px 0 color-mix(in srgb,var(--c) 30%,#fff)}
.learn svg{flex:none;width:34px;height:34px;fill:#ffc21a;stroke:#d18f00;stroke-width:1.2;filter:drop-shadow(0 3px 0 #d18f00)}
.more .grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}

/* ---------- plain pages ---------- */
.plain{background:linear-gradient(180deg,#3aa0ff 0,#a9ddff 300px,var(--cream) 520px) no-repeat,var(--cream)}
.prose{max-width:780px;margin:0 auto;padding-top:110px}
.prose ul{background:#fff;border-radius:24px;padding:20px 20px 20px 40px;box-shadow:0 8px 0 #f1dca6}
.prose li{margin:8px 0}
.center{text-align:center}.nf-char{width:240px;animation:float 4s ease-in-out infinite}

/* ---------- footer ---------- */
.foot{position:relative;margin-top:70px;color:#fff;text-align:center}
.foot-hill{display:block;width:100%;height:90px}
.foot-in{background:#46b03a;padding:0 16px 34px;margin-top:-1px}
.foot-kids{display:flex;justify-content:center;gap:4px;margin-top:-80px;position:relative}
.foot-kids img{height:76px;filter:drop-shadow(0 6px 5px rgba(0,0,0,.25));animation:hop 2.6s ease-in-out infinite;animation-delay:calc(var(--i)*.22s)}
.foot-brand{font-size:30px;margin:10px 0 0;text-shadow:0 3px 0 #2c7a24}
.foot p{margin:4px 0}.foot a{color:#fff;font-weight:700}
.foot-links{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:10px!important}
.fine{opacity:.8;font-size:14px}

/* ---------- motion helpers ---------- */
.reveal{opacity:0;transform:translateY(40px) scale(.96);transition:opacity .6s,transform .7s cubic-bezier(.3,1.4,.5,1);transition-delay:calc(var(--i,0)*90ms)}
.reveal.in{opacity:1;transform:none}
.sparkle{position:fixed;z-index:999;pointer-events:none;width:16px;height:16px;margin:-8px 0 0 -8px;animation:sparkle .8s ease-out forwards}
.sparkle svg{width:100%;height:100%}
@keyframes sparkle{to{transform:translate(var(--dx),var(--dy)) scale(0) rotate(180deg);opacity:0}}
.confetto{position:fixed;z-index:999;pointer-events:none;width:10px;height:14px;border-radius:3px;animation:confetti 1.1s cubic-bezier(.2,.6,.4,1) forwards}
@keyframes confetti{to{transform:translate(var(--dx),var(--dy)) rotate(var(--r));opacity:0}}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- responsive ---------- */
@media (max-width:1000px){.portals{grid-template-columns:repeat(3,1fr);row-gap:70px}.trust{grid-template-columns:1fr 1fr}.showcase{grid-template-columns:1fr;padding:30px 22px}.devices{min-height:0;margin-bottom:30px}}
@media (max-width:820px){.lesson-grid,.lh-in{grid-template-columns:1fr}.lh-char{min-height:220px;order:-1}.lh-char img{max-height:220px}.halo{width:220px;height:220px}.bubble{left:2%;font-size:15px}.learn ul{grid-template-columns:1fr}.lesson-hero{padding-top:90px}.lesson-grid{margin-top:-10px}.counters{grid-template-columns:1fr 1fr}}
@media (max-width:600px){
 .top{padding:10px 12px}.brand span{font-size:22px}.brand img{width:44px;height:44px}
 .top nav{gap:5px}.top nav a{font-size:14px;padding:7px 10px}.top nav a:not(.yt){display:none}
 .hero{padding-top:84px;min-height:760px}.pop3d .l{-webkit-text-stroke:5px #fff}
 .f-fairy,.f-hero{display:none}.f-oxy{left:2%;top:13%}.sun{right:-20px;top:64px;transform:scale(.7)}
 .portals{grid-template-columns:1fr 1fr;gap:70px 14px}.portal{min-height:200px}.portal img{bottom:100px;max-height:130px}
 .trust{grid-template-columns:1fr}.btn.big{font-size:20px;padding:14px 20px}.cta .btn{flex:1 1 100%}
 .card-char{width:100px;height:100px;top:-76px;right:-8px}.sticker{width:64px;height:64px;font-size:12px;top:-34px}
 .sub-char{display:none}.showcase{padding:24px 16px}.phone{width:38%}.float-badge{font-size:15px}
 .section-title{-webkit-text-stroke:5px #1b2242}.ribbon{padding:8px 26px}
 .foot-kids img{height:58px}.foot-kids{margin-top:-62px}}
.reveal.done{transition:transform .25s cubic-bezier(.3,1.5,.5,1),box-shadow .25s;transition-delay:0s}
.lesson-hero .pop3d .l{color:#fff;-webkit-text-stroke:8px var(--d);text-shadow:0 2px 0 var(--d),0 4px 0 var(--d),0 6px 0 var(--d),0 8px 0 color-mix(in srgb,var(--d) 70%,#000),0 16px 18px rgba(0,0,0,.3)}
.subject .grid{padding-top:72px}
.section-title.left{font-size:clamp(30px,3.6vw,44px)}
@media (max-width:820px){.bubble{display:none}}
@media (max-width:600px){.hero-kids img{height:60px}.hero-kids{gap:0}.portal:last-child{grid-column:span 2;justify-self:center;width:calc(50% - 7px)}.lesson-hero .pop3d .l{-webkit-text-stroke:6px var(--d)}}
.hero{min-height:0;padding-bottom:clamp(150px,15vw,200px)}
.scene{height:clamp(300px,42vw,560px)}
@media (max-width:600px){.hero{min-height:0;padding-bottom:110px}.scene{height:300px}}
@media (min-width:601px){.hero{min-height:min(100svh,980px)}}
.sticker.new{background:radial-gradient(circle at 35% 30%,#ffc2dc,#ff4f8b 55%,#d81b60);color:#fff;box-shadow:inset 0 -4px 0 rgba(120,0,40,.3),0 5px 0 #a3134a,0 10px 14px rgba(0,0,0,.25)}
.ws-soon{margin:10px 0 18px!important;padding:14px 16px;border-radius:18px;font-weight:700;background:color-mix(in srgb,var(--c) 12%,#fff);box-shadow:0 4px 0 color-mix(in srgb,var(--c) 30%,#fff)}