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:root{color-scheme:dark;--bg:#040c20;--panel:#081a35;--ink:#f5f7ff;--muted:#b5c7e2;--cyan:#39d4ff;--violet:#bd64ff;--line:#294364;--gradient:linear-gradient(105deg,#00d7f6,#1461ff 52%,#ba29f5);font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}.shell{width:min(1220px,calc(100% - 80px));margin-inline:auto}.skip-link{position:absolute;top:-100px;left:20px;z-index:20;padding:12px;background:#fff;color:#05122a}.skip-link:focus{top:10px}.site-header{border-bottom:1px solid #193456;background:#051026}.header-inner{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;line-height:1.15}.brand img{width:52px;height:52px;object-fit:contain}.brand small{display:block;letter-spacing:.32em;font-size:12px;font-weight:700}.brand 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strong{display:block;font-size:13px}.card-symbol{font-size:25px;color:var(--cyan)}.level-float{left:-12px;top:174px;transform:rotate(-5deg)}.achievement-float{right:-10px;bottom:90px;transform:rotate(3deg)}.mascot-note{position:absolute;right:2px;top:25px;color:#a6c9ff;font-size:24px;font-family:Georgia,serif;font-style:italic;transform:rotate(9deg);line-height:1.3}.feature-rail{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #294364;padding:27px 0;position:relative}.feature-rail a{display:flex;align-items:center;justify-content:center;gap:13px;border-right:1px solid #294364}.feature-rail a:last-child{border:0}.feature-rail strong{font-size:26px;color:var(--cyan)}.feature-rail span{font-size:12px;color:#c4d3ec}.section{padding-block:105px}h2{font-size:clamp(35px,4vw,53px);letter-spacing:-.05em;line-height:1.13;margin:0;font-weight:750}h3{font-size:24px;letter-spacing:-.035em;line-height:1.25;margin:18px 0 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#385379;isolation:isolate}.theme-card img{position:absolute;inset:0;height:100%;width:100%;object-fit:cover;object-position:center 52%;z-index:-2;transition:transform .4s}.theme-card:hover img{transform:scale(1.04)}.theme-card:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#04122e,transparent 85%);z-index:-1}.theme-card>div{position:absolute;bottom:26px;left:26px;right:22px}.theme-card span{font-size:9px;color:#d2e8ff;letter-spacing:.1em}.theme-card h3{font-size:35px;margin:8px 0}.theme-card p{font-size:13px;color:#dae4fc;margin:0}.theme-note{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:28px;font-size:12px}.theme-note p{margin:0}.mode-pair{display:flex;flex-shrink:0}.mode-pair i{width:21px;height:21px;border:1px solid #789ac4;background:#e8edff;border-radius:50%}.mode-pair i+i{background:#05152f;margin-left:-5px}.plans{display:grid;grid-template-columns:1fr 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@media(min-width:1500px){.hero-grid{min-height:735px}.hero-art{height:650px}.penguin{height:600px;width:400px}}
@media(max-width:1050px){.shell{width:calc(100% - 48px)}.site-header nav{gap:19px}.hero h1{font-size:72px}.hero-art{height:570px}.penguin{width:320px;height:480px}.hero-description{font-size:17px}.level-float{left:0;top:150px}.achievement-float{right:0;bottom:45px}.float-card{padding:11px}.float-card strong{font-size:11px}.mascot-note{font-size:20px;right:10px}.game-explorer{grid-template-columns:220px 1fr}.game-detail{padding:25px;gap:25px}.mind-section,.stats-layout{gap:40px}.feature-card{padding:26px}.launch-panel{padding:40px}.social-grid{gap:14px}.social-grid .feature-card{padding:23px}.feature-rail span{font-size:10px}}
@media(max-width:780px){.header-inner{min-height:85px}.site-header nav>a:not(.nav-launch){display:none}.hero-grid{grid-template-columns:minmax(0,1fr);gap:0}.hero-copy{padding:65px 0 0;max-width:570px}.hero h1{font-size:76px}.hero-description{max-width:510px}.hero-art{height:530px;width:min(470px,100%);margin:auto}.penguin{height:495px;width:330px}.mascot-note{top:0}.level-float{top:130px}.achievement-float{bottom:70px}.hero-actions{gap:20px}.hero .availability{margin-bottom:0}.feature-rail{grid-template-columns:1fr 1fr;gap:20px;padding-block:28px}.feature-rail a:nth-child(2){border:0}.feature-rail a{justify-content:flex-start;padding-left:22px}.feature-rail span{font-size:12px}.section{padding-block:70px}.mind-section{grid-template-columns:1fr;gap:28px}.section-heading{align-items:start;flex-direction:column;gap:25px}.section-heading>p{max-width:570px}.game-explorer{grid-template-columns:1fr}.game-choices{flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line);padding:14px}.game-choice{min-height:44px;padding:9px 13px;font-size:12px;gap:9px;border-color:#2a4167}.game-choice>span:last-child{display:none}.game-detail{padding:35px;min-height:360px}.preview-wrap{max-width:260px;width:100%;justify-self:center}.feature-grid{gap:16px}.feature-card h3{font-size:24px}.xp-tags{flex-wrap:wrap;gap:12px}.level-demo>div:first-child{align-items:start;flex-direction:column;gap:5px}.stats-layout{grid-template-columns:1fr;gap:30px}.stats-layout>div>p:not(.eyebrow){max-width:570px}.social-grid{grid-template-columns:1fr}.social-grid .feature-card{padding:28px}.social-grid p{max-width:580px}.theme-grid{gap:12px}.theme-card{min-height:320px}.theme-card>div{left:17px;right:15px}.theme-card h3{font-size:29px}.theme-card span{font-size:7px}.theme-card p{font-size:11px}.launch-panel{grid-template-columns:1fr 170px;padding:34px;gap:10px}.launch-panel h2{font-size:36px}.launch-mascot{height:250px}.launch-mascot img{height:260px;bottom:0}.faq-section{grid-template-columns:1fr;gap:30px}.site-footer{flex-wrap:wrap}}
@media(max-width:500px){.shell{width:calc(100% - 36px)}.brand img{width:41px;height:41px}.brand{gap:8px}.brand small{font-size:9px}.brand strong{font-size:29px}.nav-launch{font-size:10px;padding:9px 12px;gap:10px}.header-inner{gap:15px}.hero-copy{padding-top:44px}.hero h1{font-size:clamp(53px,14vw,70px);margin-bottom:24px}.eyebrow{font-size:9px;letter-spacing:.12em;margin-bottom:22px}.hero-description{font-size:16px}.hero-art{height:480px}.penguin{height:430px;width:287px;bottom:5px}.halo{width:310px;height:310px;top:120px}.halo:before{inset:-15px}.float-card{gap:8px;padding:10px}.float-card small{font-size:6px}.float-card strong{font-size:10px}.card-symbol{font-size:20px}.level-float{left:0;top:145px}.achievement-float{right:0;bottom:33px}.mascot-note{font-size:20px;top:10px;right:15px}.hero-actions{gap:19px}.button{font-size:13px;gap:17px;padding:13px 18px}.availability{font-size:10px}.feature-rail{gap:14px}.feature-rail strong{font-size:22px}.feature-rail span{font-size:9px}.feature-rail a{gap:10px;padding-left:9px}.section{padding-block:59px}h2{font-size:38px}.mind-section{gap:24px}.mind-section .lead{font-size:21px}.mind-section p:not(.eyebrow){font-size:14px}.section-heading{margin-bottom:28px}.section-heading>p{font-size:14px}.game-detail{grid-template-columns:1fr;padding:26px;gap:28px;min-height:600px;align-content:start}.detail-copy h3{font-size:28px}.game-choices{gap:6px;padding:12px}.game-choice{font-size:11px;padding:9px 10px}.feature-grid,.plans{grid-template-columns:1fr}.feature-card{padding:26px}.feature-card h3{font-size:26px}.level-demo>div:first-child{flex-direction:row;align-items:center}.level-demo>div:first-child span{max-width:115px}.xp-tags{font-size:9px}.stats-demo{padding:18px}.demo-top{gap:10px}.demo-top strong{font-size:13px}.demo-top span{font-size:7px}.stat-tiles{gap:6px}.stat-tiles div{padding:11px 7px}.stat-tiles small{font-size:7px}.stat-tiles strong{font-size:11px}.chart-key{font-size:9px}.theme-grid{grid-template-columns:1fr;gap:18px}.theme-card{min-height:300px}.theme-card>div{left:25px}.theme-card h3{font-size:35px}.theme-card span{font-size:9px}.theme-card p{font-size:13px}.theme-note{align-items:start;font-size:11px}.account-note{padding:20px}.launch-panel{grid-template-columns:1fr;padding:29px 25px}.launch-panel h2{font-size:36px}.launch-panel p:not(.eyebrow){font-size:13px}.launch-mascot{height:245px}.launch-mascot img{height:285px;bottom:-48px}.launch-panel .eyebrow{font-size:8px}.site-footer{align-items:start;flex-direction:column}.faqs summary{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Original company artwork supplied by the owner. */
.brand img{width:64px;height:64px;object-fit:contain}.site-footer{padding-block:42px}.footer-brand{display:flex;align-items:center;gap:20px}.footer-brand>img{width:112px;height:112px;object-fit:contain;flex-shrink:0}.footer-brand .footer-wordmark{display:block}.footer-wordmark strong{display:block;font-size:25px;letter-spacing:.19em;color:#f5f7ff}.footer-brand .footer-wordmark>span{font-size:12px;color:#bad6ff;margin-top:7px}.site-footer>div>p{margin:10px 0 0;font-size:11px}@media(max-width:500px){.brand img{width:48px;height:48px}.footer-brand>img{width:88px;height:88px}.footer-wordmark strong{font-size:22px}.footer-brand{gap:16px}}

/* Real product photography, framed with CSS so the app remains unaltered. */
.app-showcase{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;border-bottom:1px solid var(--line)}
.app-showcase-copy{min-width:0}.puzzles-product-logo{width:min(360px,100%);height:auto;margin:0 0 30px;filter:drop-shadow(0 8px 24px #0863ba30)}
.app-showcase-description{max-width:520px;font-size:17px;color:var(--muted);margin:24px 0 28px}
.app-preview-features{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:23px}.app-preview-features li{display:flex;gap:16px;align-items:start}.app-preview-features li>span{flex:none;display:grid;place-items:center;width:34px;height:34px;border:1px solid #285d88;border-radius:10px;color:var(--cyan);font-size:11px;font-weight:700;background:#091c37}.app-preview-features strong{font-size:15px}.app-preview-features p{color:var(--muted);font-size:14px;line-height:1.6;margin:4px 0 0;max-width:400px}
.app-phone-figure{margin:0;min-width:0;text-align:center}.app-phone-stage{position:relative;padding:22px 26px 38px;isolation:isolate}.app-phone-stage:before{content:"";position:absolute;inset:15% -5% 10%;z-index:-1;background:radial-gradient(ellipse,#2545a369,transparent 68%);filter:blur(16px)}
.app-phone-frame{position:relative;width:286px;max-width:100%;margin:auto;border:7px solid #121c2d;border-radius:36px;background:#121c2d;box-shadow:0 0 0 1px #6d88ae,0 0 0 4px #1d2b42,18px 24px 65px #0009,-12px 0 55px #0865ba22;transform:rotate(3deg)}
.app-phone-frame:before{content:"";position:absolute;right:-12px;top:105px;width:4px;height:44px;border-radius:0 3px 3px 0;background:#6d88ae}.app-phone-frame:after{content:"";position:absolute;left:-12px;top:78px;width:4px;height:63px;border-radius:3px 0 0 3px;background:#536784}.app-phone-frame img{display:block;width:100%;height:auto;border-radius:29px}
.app-phone-label{position:relative;display:inline-flex;gap:8px;align-items:center;margin-top:22px;background:#0b2037;border:1px solid #306087;border-radius:50px;padding:7px 16px;font-size:10px;letter-spacing:.12em;color:#ccecff}.app-phone-label>span{color:var(--cyan)}.app-phone-figure figcaption{color:#92aacd;font-size:11px;line-height:1.6}
@media(max-width:900px){.app-showcase{gap:30px}.app-phone-stage{padding-inline:16px}.app-phone-frame{width:254px}.app-showcase h2{font-size:38px}}
@media(max-width:650px){.app-showcase{grid-template-columns:1fr;gap:36px;padding-block:65px}.puzzles-product-logo{width:280px;margin-bottom:26px}.app-showcase h2{font-size:36px}.app-showcase-description{font-size:16px}.app-phone-frame{width:258px}.app-phone-stage{padding:15px 20px 22px}.app-phone-stage:before{inset:10% 0}.app-preview-features{gap:18px}}