@charset "UTF-8";
:root{color-scheme:dark;--bg:#111313;--ink:#eeeee7;--muted:#a5aaa5;--line:#343a37;--lime:#d1ef9b;--purple:#bcb9d6;--ease:cubic-bezier(.16,1,.3,1);--spring:cubic-bezier(.22,1.25,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:36px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button:focus-visible,a:focus-visible{outline:2px solid var(--lime);outline-offset:6px}::selection{background:var(--lime);color:var(--bg)}
.skip-link{position:fixed;top:-100px;left:20px;background:var(--ink);color:var(--bg);padding:12px 20px;z-index:100}.skip-link:focus{top:12px}
.site-header{height:100px;max-width:1600px;margin:auto;padding:0 6%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;min-height:44px;gap:24px}.brand .official-logo{width:96px;height:64px;object-fit:contain}.brand>span{font-size:10px;letter-spacing:2px;color:var(--muted)}nav{display:flex;gap:36px;font-size:12px}nav a{display:inline-flex;align-items:center;min-height:44px;gap:5px}nav a:hover{color:var(--lime)}
.hero{overflow:clip;position:relative;max-width:1600px;margin:auto;padding:64px 6% 0;display:grid;grid-template-columns:1fr 1.1fr;gap:0 4%;isolation:isolate}.hero-copy{padding-top:55px;position:relative;z-index:2}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;line-height:1.6;margin:0 0 28px;color:var(--muted)}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--lime);margin:0 9px 2px 0}h1{font-size:clamp(58px,6.5vw,100px);font-weight:500;letter-spacing:-.075em;line-height:1.17;margin:0 0 32px}.title-line{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}.title-line>span{display:block}.title-period{color:var(--lime)}.hero-description{font-size:15px;line-height:1.9;color:var(--muted);margin:0 0 28px;letter-spacing:-.3px;word-break:keep-all}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:50px;border-radius:2px;padding:13px 22px;font-size:12px;font-weight:700;line-height:1.5;transition:translate .28s var(--spring),scale .28s var(--spring),background .2s}.button>span:last-child{font-size:19px;margin-left:18px;line-height:1}.button svg{width:17px;height:17px;fill:currentColor}.button-lime{background:var(--ink);color:#171b17}.button-purple{background:var(--purple);color:#17151d}.hero-downloads{display:flex;gap:24px;flex-wrap:wrap;margin-top:9px}.hero-downloads a{display:inline-flex;align-items:center;gap:12px;min-height:44px;border-bottom:1px solid #65705c;font-size:10px;color:#c6cec0;transition:color .2s}.hero-downloads a:hover{color:var(--lime)}
.hero-stage{position:relative;height:636px;min-width:0;isolation:isolate}.hero-stage:before{content:"";position:absolute;inset:28px 0 70px 10%;border:1px solid #3e4642;border-right:0;z-index:-1}.stage-edition{position:absolute;left:10%;top:0;font-size:8px;letter-spacing:1.9px;color:#919a93;margin:0;line-height:1}.hero-phone{position:absolute;margin:0;background:#121616;border:1px solid #68726a;padding:6px 6px 0;box-shadow:0 22px 38px #0004}.hero-screen{position:relative;aspect-ratio:9/14;overflow:hidden;background:#0b0e0e}.hero-screen>img{width:100%;height:100%;object-fit:cover;object-position:50% 100%}.hero-screen>.scene-alternate{position:absolute;inset:0;opacity:0;transform:scale(1.035);transition:opacity .95s var(--ease),transform 1.25s var(--ease)}.hero-stage[data-scene="1"] .scene-alternate{opacity:1;transform:scale(1)}.hero-phone figcaption{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:8px;font-weight:600;letter-spacing:1px;padding:12px 7px}.phone-spin{width:55%;max-width:330px;left:0;top:48px;z-index:2}.phone-math{width:36%;max-width:215px;right:0;top:173px;z-index:1;border-color:#625e6e}.tiny-dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--lime)}.tiny-dot.purple{background:var(--purple)}.stage-controls{position:absolute;bottom:5px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:9px;gap:16px}.stage-scene-number{font-size:9px;letter-spacing:2px;font-variant-numeric:tabular-nums;color:var(--muted)}.scene-button{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:44px;padding:8px 0;border:0;background:transparent;font-size:10px;color:#d0d6cb;transition:color .2s}.scene-button>span{font-size:19px;line-height:1}.scene-button:hover{color:var(--lime)}.hero-bottom{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:38px;padding:25px 0;border-top:1px solid var(--line);font-size:9px;letter-spacing:1.7px;color:var(--muted)}.hero-bottom>span:last-child{letter-spacing:0;font-size:11px}.hero-bottom>span:last-child span{color:var(--lime);font-size:18px;margin-left:30px}
.games{max-width:1600px;margin:auto;padding:114px 6% 0}.section-heading{position:relative;display:flex;align-items:end;flex-wrap:wrap;gap:13px 25px;margin-bottom:58px}.section-heading .eyebrow{width:100%;margin:0;color:var(--muted)}h2{font-size:clamp(34px,3.6vw,54px);font-weight:500;letter-spacing:-.055em;line-height:1.25;margin:0}.section-index{font-size:9px;letter-spacing:1.5px;color:#929b93}.section-heading .section-index{margin-left:auto;padding-bottom:8px}.game{display:grid;grid-template-columns:1fr 1.1fr;column-gap:6%;padding-top:34px;border-top:1px solid var(--line);margin-bottom:110px;min-width:0;--accent:var(--lime)}.game-math{--accent:var(--purple)}.game-info{padding:35px 0 30px;align-self:center;max-width:440px}.game-topline{display:flex;align-items:center;gap:9px;margin-bottom:34px}.game-number{font-size:10px;letter-spacing:1.2px;color:var(--muted);margin-right:14px}.tag{font-size:9px;letter-spacing:.3px;color:#bfc7bd;border:1px solid #465048;padding:3px 9px;border-radius:1px}.game-title{display:flex;align-items:center;gap:14px;margin-bottom:26px}.game-title>img{width:43px;height:43px;border-radius:9px}.game-title h3{margin:0;font-size:25px;font-weight:600;letter-spacing:-1px;line-height:1.3}.game-hook{font-size:clamp(33px,3.1vw,46px);font-weight:500;line-height:1.35;letter-spacing:-.06em;margin:0 0 24px;color:var(--ink)}.game-description{font-size:14px;line-height:1.95;word-break:keep-all;color:#b6c0b5;margin:0;max-width:405px}.game-origin{margin:20px 0 0;padding-left:16px;border-left:1px solid #817b96;font-size:12px;line-height:2;color:#c1bbcf;word-break:keep-all}.feature-list{list-style:none;padding:0;margin:28px 0;display:grid;gap:9px;font-size:11px;color:#cbd3c8}.feature-list span{display:inline-block;width:76px;font-size:8px;letter-spacing:.8px;color:#8f9b8c}.game-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.store-note{font-size:10px;color:#939e90;margin:12px 0 0}.teacher-note{display:flex;align-items:center;gap:10px;margin-bottom:26px;color:#c7bfd5}.teacher-note svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.3}.teacher-note strong{display:block;font-size:10px;font-weight:600}.teacher-note span{display:block;font-size:9px;color:#9992a7}.game-math .game-info{grid-column:2;grid-row:1;padding-left:3%;max-width:450px}.game-math .game-visual{grid-column:1;grid-row:1}
.game-visual{position:relative;min-height:650px;display:flex;align-items:center;justify-content:center;background:#1b211e;isolation:isolate;overflow:hidden;min-width:0;border-radius:3px}.math-visual{background:#201f27}.visual-word{position:absolute;top:10px;right:24px;font-size:128px;font-weight:400;letter-spacing:-.08em;line-height:1;color:#59665b;opacity:.2;z-index:-1}.math-visual .visual-word{color:#787189}.screen-button{appearance:none;display:block;padding:0;border:0;background:transparent;border-radius:2px;overflow:hidden;text-align:left;flex-shrink:0;transition:translate .3s var(--spring),scale .3s var(--spring),filter .25s}.featured-screen{position:relative;width:49%;max-width:270px;border:5px solid #252c26;box-shadow:0 24px 38px #0005;margin:36px 12% 60px 0;z-index:2}.featured-screen>img{width:100%}.expand-label{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;gap:20px;padding:9px 12px;font-size:9px;background:#131813ed;color:#e3e8de}.game-visual .screen-button:focus-visible{outline-color:#e7eadd}.preview-companion{position:absolute;width:32%;max-width:176px;right:7%;top:23%;border:4px solid #343d34;opacity:.62;box-shadow:0 17px 25px #0004;z-index:1}.preview-companion>img{width:100%}.math-visual .featured-screen{border-color:#32303e}.math-visual .preview-companion{border-color:#3b374b}.visual-caption{position:absolute;left:25px;right:25px;bottom:13px;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}.visual-caption>span{font-size:8px;letter-spacing:1px;color:#b0bcae}.math-visual .visual-caption>span{color:#b4adc4}.visual-caption .scene-button{font-size:9px}.preview-changing>img{animation:preview-change .65s var(--ease)}
.video-card{grid-column:1/-1;display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:5%;margin:28px 0 0;padding-bottom:28px;border-bottom:1px solid var(--line);min-width:0}.video-thumbnail{position:relative;display:block;aspect-ratio:686/386;background:#090c09;overflow:hidden;border-radius:2px}.video-thumbnail>img{width:100%;height:100%;object-fit:contain;transition:transform .65s var(--ease),filter .25s}.video-play{position:absolute;left:50%;top:50%;translate:-50% -50%;width:54px;height:54px;display:grid;place-items:center;border-radius:50%;border:1px solid #ecefe68c;background:#111713cf;transition:scale .3s var(--spring),background .2s}.video-play svg{width:22px;height:22px;fill:var(--ink);margin-left:3px}.video-duration{position:absolute;right:12px;bottom:12px;background:#111510e8;border:1px solid #ffffff26;padding:2px 7px;font-size:11px;font-variant-numeric:tabular-nums}.video-copy{display:grid;gap:16px;padding:18px 0 18px 8px}.video-kicker{font-size:9px;font-weight:500;letter-spacing:1px;color:#9da795}.video-copy>strong{font-size:20px;line-height:1.65;font-weight:500;letter-spacing:-.4px;word-break:keep-all}.video-action{display:flex;align-items:center;gap:16px;font-size:10px;color:var(--accent)}.video-action>span{font-size:20px}.video-card:focus-visible{outline-offset:7px}.video-card:focus-visible .video-play{scale:1.09}.game-gallery{grid-column:1/-1;padding-top:26px;min-width:0}.game-gallery>p{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:8px;letter-spacing:1.7px;color:#a2aea0;margin:0 0 12px}.game-gallery>p>span{font-size:9px;letter-spacing:0;color:#929e8f}.gallery-track{display:flex;gap:15px;overflow-x:auto;padding:7px 4px 14px;scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:#4f5d4c transparent}.gallery-track .screen-button{width:112px;border:1px solid #414c3e;scroll-snap-align:start}.gallery-track img{width:100%}
.next-game{display:grid;grid-template-columns:1fr 1.1fr;border-top:1px solid #687164;border-bottom:1px solid #687164;column-gap:6%;padding:38px 0;position:relative;margin-top:20px}.next-copy{padding:14px 0}.next-topline{display:flex;align-items:center;gap:20px;margin-bottom:42px}.next-topline .game-number{margin:0}.coming-soon{font-size:9px;font-weight:500;letter-spacing:1.3px;color:var(--lime);padding-bottom:3px;border-bottom:1px solid #657157}.next-copy .eyebrow{font-size:8px;letter-spacing:1.4px;margin-bottom:20px}.next-copy h3{margin:0 0 25px;font-size:clamp(30px,3.2vw,46px);line-height:1.4;font-weight:500;letter-spacing:-.06em;word-break:keep-all}.next-copy h3 span{color:var(--ink)}.next-description{font-size:14px;line-height:1.9;color:#c2c9bd;margin:0 0 26px;word-break:keep-all}.next-footnote{font-size:11px;line-height:1.9;color:#929f8d;margin:0}.idea-lab{--idea-color:#d9ded0;--idea-turn:-6deg;--idea-kick:-13deg;display:flex;align-items:center;justify-content:center;flex-direction:column;min-width:0;border-left:1px solid var(--line);padding:10px 24px}.idea-lab[data-beat="1"]{--idea-color:#c9c6d4;--idea-turn:6deg;--idea-kick:13deg}.idea-lab[data-beat="2"]{--idea-color:#c7d1c0;--idea-turn:-3deg;--idea-kick:-11deg}.idea-art{position:relative;width:280px;height:260px;max-width:100%;margin-bottom:8px;isolation:isolate}.idea-orbit{position:absolute;left:3%;top:15%;width:94%;height:70%;border:1px solid #606e4e40;border-radius:50%;rotate:-24deg}.idea-tile{position:absolute;left:calc(50% - 70px);top:58px;width:140px;height:140px;display:grid;place-items:center;border-radius:8px}.tile-back{border:1px solid #797386;color:#aaa2b8;font-size:28px;font-weight:500;letter-spacing:1px;background:#23242a;transform:translate(27px,-22px) rotate(7deg)}.tile-front{background:var(--idea-color);color:#252b23;rotate:var(--idea-turn);transition:background .2s,rotate .4s var(--spring);box-shadow:0 20px 30px #0003}.idea-spark{font-size:91px;line-height:1;font-weight:400;translate:0 2px}.idea-dot{position:absolute;top:30px;left:35px;width:8px;height:8px;border-radius:50%;background:var(--lime)}.dot-two{top:auto;left:auto;bottom:30px;right:22px;width:4px;height:4px;background:var(--purple)}.idea-plus{position:absolute;left:16px;bottom:32px;font-size:23px;line-height:1;color:#b5b1bf}.idea-button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:44px;min-width:145px;border:0;border-bottom:1px solid #7e8a72;background:transparent;padding:8px 12px;color:var(--ink);font-size:11px;transition:translate .3s var(--spring),scale .3s var(--spring)}.idea-button>span{font-size:19px;color:var(--lime)}.idea-reaction{height:40px;display:flex;align-items:center;justify-content:center;margin:9px 0 0;font-size:10px;color:#a7b19e;line-height:1.5;text-align:center}.is-popping .tile-front{animation:idea-pop .56s var(--ease) both}.is-popping .tile-back{animation:idea-back .56s var(--ease) both}.is-popping .dot-one{animation:idea-dot .56s var(--ease) both}
.story{max-width:1408px;margin:130px auto 0;padding:0 0 105px;display:grid;grid-template-columns:1fr 2fr;gap:6%;border-bottom:1px solid var(--line)}.story-label .eyebrow{margin-bottom:17px}.story-body h2{font-size:clamp(38px,4.8vw,68px);line-height:1.3;letter-spacing:-.055em;margin-bottom:34px;font-weight:500}.story-body>p{color:var(--muted);font-size:14px;line-height:2}.story-body .story-intro{font-size:17px;color:var(--ink);margin-bottom:22px}.story-signature{display:flex;gap:22px;margin-top:38px;align-items:center}.story-signature .official-logo{width:108px;height:72px;object-fit:contain}.story-signature span{font-size:10px;color:var(--muted);line-height:1.8}.story-signature strong{color:var(--ink);font-size:13px;letter-spacing:1px;font-weight:500}.contact{max-width:1408px;margin:0 auto;padding:90px 0;display:flex;align-items:center;justify-content:space-between;gap:30px}.contact .eyebrow{margin-bottom:20px}.contact h2{font-size:44px;line-height:1.3}.contact p:not(.eyebrow){font-size:12px;color:var(--muted);margin:23px 0 0}.contact-link{border-bottom:1px solid #697460;padding:22px 58px 22px 0;position:relative}.contact-link>span:first-child{display:block;font-size:10px;color:var(--muted);margin-bottom:12px}.contact-link strong{font-size:clamp(17px,2.05vw,29px);font-weight:500;letter-spacing:-.5px}.contact-arrow{position:absolute;right:4px;top:34px;font-size:31px;color:var(--lime)}footer{max-width:1600px;margin:auto;border-top:1px solid var(--line);padding:28px 6%;display:flex;align-items:center;gap:30px;flex-wrap:wrap}footer p,footer>a:not(.brand){font-size:9px;color:var(--muted)}footer>a:not(.brand){display:inline-flex;align-items:center;min-height:44px;margin-left:auto}.footer-brand .official-logo{width:84px;height:56px}
.lightbox{width:min(94vw,780px);max-height:96dvh;padding:16px 24px 13px;border:1px solid #65705f;border-radius:5px;background:#141914;color:var(--ink);box-shadow:0 25px 100px #000c}.lightbox::backdrop{background:#050704eb}.lightbox-top,.lightbox-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}.lightbox-top h2{font-size:13px;letter-spacing:0}.icon-button{width:44px;height:44px;display:grid;place-items:center;border:1px solid #4c5845;background:#232b1f;border-radius:50%;font-size:20px}.lightbox-image{display:flex;justify-content:center;margin:8px auto;max-height:calc(96dvh - 170px);min-height:100px}.lightbox-image img{height:auto;max-height:calc(96dvh - 170px);object-fit:contain;width:auto}.lightbox-bottom p{font-size:12px;color:var(--muted);margin:0}.lightbox-note{font-size:9px;text-align:center;color:var(--muted);margin:10px 0 0}body:has(dialog[open]){overflow:hidden}
.button.is-pressed,.screen-button.is-pressed,.idea-button.is-pressed{translate:0 2px;scale:.975;transition-duration:.09s}.video-card.is-pressed{filter:brightness(1.12)}.scene-button.is-pressed{color:var(--lime)}.enter-pending{opacity:.35;translate:0 22px}.section-heading,.story,.contact,.next-copy{transition:opacity .8s var(--ease),translate .8s var(--ease)}.enter-pending:focus-within{opacity:1;translate:0}.visual-pending .featured-screen{opacity:.35;translate:-38px 0}.visual-pending .preview-companion{opacity:.15;translate:42px 0}.featured-screen,.preview-companion{transition:opacity .9s var(--ease),translate .9s var(--ease)}
@keyframes title-enter{from{transform:translateY(105%);opacity:.5}to{transform:translateY(0);opacity:1}}@keyframes screen-enter{from{translate:0 48px;opacity:0}to{translate:0 0;opacity:1}}@keyframes secondary-enter{from{translate:44px 20px;opacity:0}to{translate:0 0;opacity:1}}@keyframes preview-change{from{opacity:.3;scale:1.025}to{opacity:1;scale:1}}@keyframes idea-pop{0%,100%{translate:0 0;scale:1}30%{translate:0 -24px;scale:1.07;rotate:var(--idea-kick)}65%{translate:0 3px;scale:.97}}@keyframes idea-back{0%,100%{translate:0 0}38%{translate:4px -7px}}@keyframes idea-dot{0%,100%{translate:0 0}40%{translate:-8px -10px}}
@media(prefers-reduced-motion:no-preference){.title-line>span{animation:title-enter .9s var(--ease) backwards;animation-delay:.12s}.title-line:nth-child(2)>span{animation-delay:.25s}.phone-spin{animation:screen-enter .95s var(--ease) backwards;animation-delay:.3s}.phone-math{animation:secondary-enter .95s var(--ease) backwards;animation-delay:.48s}.stage-edition,.stage-controls{animation:screen-enter .8s var(--ease) backwards;animation-delay:.6s}}
@media(hover:hover) and (pointer:fine){.button:hover,.idea-button:hover{translate:0 -3px}.button-lime:hover{background:#dce6d0}.screen-button:hover{translate:0 -4px;filter:brightness(1.06)}.video-card:hover .video-thumbnail>img{transform:scale(1.025);filter:brightness(.87)}.video-card:hover .video-play{scale:1.09}.contact-link:hover strong{color:var(--lime)}}
@media(max-width:1600px){.story,.contact{margin-left:6%;margin-right:6%}}@media(max-width:1100px) and (min-width:901px){.hero{gap:3%;padding-top:48px}.hero-stage{height:560px}.hero-copy{padding-top:38px}.hero-description{font-size:13px}h1{font-size:68px}.phone-spin{width:58%;top:48px}.phone-math{width:37%;top:175px}.game{column-gap:5%}.game-visual{min-height:630px}.game-title h3{font-size:22px}.game-info{padding-top:20px}.game-description{font-size:13px}}
@media(max-width:900px){
  html{scroll-padding-top:24px}.site-header{height:76px;padding:0 6%}.brand{gap:15px}.brand .official-logo{width:77px;height:52px}.brand>span{display:none}nav{gap:24px;font-size:10px}
  .hero{padding:42px 6% 0;grid-template-columns:1fr;gap:0}.hero-copy{padding-top:0}.eyebrow{font-size:8px;letter-spacing:1.6px;margin-bottom:22px}h1{font-size:clamp(46px,13.2vw,78px);line-height:1.15;letter-spacing:-.07em;margin-bottom:24px}.hero-description{font-size:13px;line-height:1.9;margin-bottom:24px}.button{min-height:48px;padding:13px 19px;font-size:11px}.button>span:last-child{margin-left:12px}.hero-downloads{margin-top:6px;gap:22px}.hero-downloads a{font-size:9px}.hero-stage{width:100%;max-width:540px;height:auto;aspect-ratio:1/1.12;margin:35px auto 0}.hero-stage:before{inset:21px 0 56px 9%}.stage-edition{left:9%;font-size:7px;letter-spacing:1.4px}.phone-spin{width:54%;max-width:none;top:33px}.phone-math{width:35%;max-width:none;top:29%;right:0}.hero-phone{padding:4px 4px 0}.hero-phone figcaption{font-size:7px;letter-spacing:.4px;padding:9px 4px}.stage-controls{bottom:0;padding-top:5px}.stage-scene-number{font-size:8px}.scene-button{font-size:9px;min-height:44px;gap:12px}.hero-bottom{margin-top:27px;padding:20px 0;font-size:7px;letter-spacing:1px}.hero-bottom>span:last-child{font-size:9px;max-width:60%;text-align:right}.hero-bottom>span:last-child span{margin-left:12px;font-size:16px}
  .games{padding:65px 6% 0}.section-heading{margin-bottom:34px;gap:13px 16px}h2{font-size:34px;letter-spacing:-.055em}.section-index{font-size:8px}.section-heading .section-index{padding-bottom:5px}
  .game{grid-template-columns:1fr;column-gap:0;padding-top:0;margin-bottom:68px}.game-info,.game-math .game-info{grid-column:auto;grid-row:auto;padding:32px 0 30px;max-width:none}.game-math .game-visual{grid-column:auto;grid-row:auto}.game-topline{margin-bottom:25px}.game-title{margin-bottom:22px}.game-title h3{font-size:24px}.game-hook{font-size:36px;letter-spacing:-.055em;margin-bottom:20px}.game-description{font-size:13px;max-width:none;line-height:1.9}.game-origin{font-size:12px;line-height:1.9;padding-left:13px}.feature-list{margin:24px 0;font-size:11px;gap:8px}.feature-list span{font-size:8px;width:75px}.store-note{font-size:9px;margin-top:12px}.teacher-note{margin-bottom:24px}.game-visual{min-height:0;aspect-ratio:.78}.featured-screen{width:51%;max-width:none;margin:25px 14% 48px 0;border-width:4px}.preview-companion{width:32%;right:7%;top:22%;border-width:3px}.visual-word{font-size:102px;top:8px;right:20px}.visual-caption{left:17px;right:17px;bottom:5px;gap:6px}.visual-caption>span{font-size:6px;letter-spacing:.6px}.visual-caption .scene-button{font-size:8px;gap:9px}
  .video-card{grid-template-columns:1fr;gap:0;margin-top:23px;padding-bottom:23px}.video-copy{padding:20px 0 0;gap:12px}.video-copy>strong{font-size:17px;line-height:1.7}.video-kicker{font-size:8px}.video-action{font-size:10px}.video-play{width:48px;height:48px}.video-play svg{width:20px;height:20px}.video-duration{font-size:10px}.game-gallery{padding-top:23px}.gallery-track{gap:12px}.gallery-track .screen-button{width:99px}.game-gallery>p{font-size:7px;letter-spacing:1.2px}.game-gallery>p>span{font-size:8px}
  .next-game{grid-template-columns:1fr;gap:0;padding:29px 0 20px}.next-copy{padding:0 0 28px}.next-topline{margin-bottom:32px;gap:18px}.next-topline .game-number{font-size:9px}.coming-soon{font-size:8px}.next-copy .eyebrow{font-size:7px;margin-bottom:18px}.next-copy h3{font-size:35px;letter-spacing:-.055em}.next-description{font-size:13px;margin-bottom:22px}.next-footnote{font-size:10px}.idea-lab{border-left:0;border-top:1px solid var(--line);padding:12px 16px 0}.idea-art{height:245px;margin-bottom:3px}.idea-reaction{font-size:10px}
  .story{grid-template-columns:1fr;margin:75px 6% 0;padding-bottom:64px;gap:32px}.story-label{display:flex;align-items:center;justify-content:space-between;gap:20px}.story-label .eyebrow{margin:0}.story-body h2{font-size:41px;letter-spacing:-.055em;margin-bottom:26px}.story-body>p{font-size:12px}.story-body .story-intro{font-size:15px;margin-bottom:18px}.story-signature{gap:18px;margin-top:30px}.story-signature .official-logo{width:96px;height:64px}.story-signature span{font-size:9px}.story-signature strong{font-size:12px}
  .contact{display:block;margin:0 6%;padding:60px 0}.contact h2{font-size:36px}.contact .eyebrow{margin-bottom:20px}.contact p:not(.eyebrow){font-size:11px;margin-top:22px}.contact-link{display:block;margin-top:15px;padding:23px 35px 23px 0}.contact-link strong{font-size:23px;overflow-wrap:anywhere}.contact-link>span:first-child{font-size:9px}.contact-arrow{font-size:29px;top:34px}footer{padding:25px 6%;gap:22px}.footer-brand .official-logo{width:77px;height:52px}footer p,footer>a:not(.brand){font-size:8px}.lightbox{padding:12px 16px}.lightbox-top h2{font-size:11px}
}
@media(max-width:380px){nav{gap:18px;font-size:9px}.hero{padding-top:34px}h1{font-size:46px}.hero-description{font-size:12px}.hero-stage{margin-top:29px;aspect-ratio:1/1.18}.hero-phone figcaption{font-size:6px;padding:8px 3px}.hero-bottom>span:last-child{font-size:8px}.hero-bottom{font-size:6px}.game-title h3{font-size:22px}.game-hook{font-size:33px}.game-description{font-size:12px}.feature-list{font-size:10px}.feature-list span{font-size:7px;width:68px}.visual-caption>span{font-size:5.5px;letter-spacing:.3px}.visual-caption .scene-button{font-size:7px}.visual-caption{left:13px;right:13px}.next-copy h3{font-size:31px}.next-topline{gap:12px}.contact-link strong{font-size:21px}footer{gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.enter-pending,.visual-pending .featured-screen{opacity:1!important;translate:none!important}.visual-pending .preview-companion{opacity:.62!important;translate:none!important}.button,.screen-button,.idea-button{translate:none!important;scale:none!important}.tile-front{rotate:-6deg!important}.video-play{scale:none!important}.video-card .video-thumbnail>img{transform:none!important}}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
/* A selected work comes forward; the layout footprint stays reserved. */
.hero-game-select{position:absolute;inset:0;appearance:none;padding:0;border:0;border-radius:0;background:transparent;z-index:4}
.hero-game-select:focus-visible{outline:2px solid var(--lime);outline-offset:5px}
.hero-stage[data-game="math"] .phone-math{width:55%;max-width:330px;left:0;right:auto;top:48px;z-index:3}
.hero-stage[data-game="math"] .phone-spin{width:36%;max-width:215px;left:auto;right:0;top:173px;z-index:1}
.section-heading h2{font-size:clamp(36px,5.4vw,82px);transition:clip-path .95s var(--ease),translate .95s var(--ease);clip-path:inset(0)}
.section-heading.enter-pending h2{clip-path:inset(100% 0 0 0);translate:0 44px}
.featured-screen{transition:opacity .95s var(--ease),translate .95s var(--ease),scale .95s var(--ease)}
.visual-pending .featured-screen{scale:.88}
@media(max-width:900px){.hero-stage[data-game="math"] .phone-math{width:54%;max-width:none;top:33px}.hero-stage[data-game="math"] .phone-spin{width:35%;max-width:none;top:29%}.section-heading h2{font-size:42px}.stage-edition{letter-spacing:.6px}}
@media(max-width:380px){.section-heading h2{font-size:38px}.stage-edition{font-size:6px;letter-spacing:.5px}}
@media(prefers-reduced-motion:reduce){.section-heading.enter-pending h2{clip-path:none;translate:none}.visual-pending .featured-screen{scale:none!important}}