:root{--g-bg:#0b1220;--g-bg2:#0f1828;--g-surface:#121d30;--g-surface2:#17243a;--g-text:#f3f6fb;--g-muted:#9aa9bf;--g-line:#26364e;--g-primary:#4f6df5;--g-secondary:#2ea8a1;--g-warm:#d0a24b;--g-danger:#d9606f;--g-success:#3aa981;--g-shadow:0 24px 70px rgba(0,0,0,.22);--g-radius:20px;--g-shell:1240px;--g-logo-desktop:230px;--g-logo-mobile:100%;--g-logo-mobile-h:140px;--g-header:rgba(11,18,32,.90)}
html[data-theme="light"]{--g-bg:#f7f9fc;--g-bg2:#eef2f7;--g-surface:#ffffff;--g-surface2:#f2f5f9;--g-text:#182235;--g-muted:#65738a;--g-line:#dce4ee;--g-shadow:0 20px 55px rgba(38,58,87,.10);--g-header:rgba(247,249,252,.92)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--g-bg);color:var(--g-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}body.gate-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button,input,select{font:inherit}.shell{width:min(calc(100% - 40px),var(--g-shell));margin-inline:auto}.site-main{overflow:hidden}.section{padding:96px 0}.kicker{margin:0 0 14px;color:var(--g-secondary);font-size:.75rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.kicker>span{display:inline-block;width:18px;height:2px;background:var(--g-secondary);vertical-align:middle;margin-right:9px}.section-heading{max-width:760px;margin-bottom:34px}.section-heading h2,.learning-grid h2,.family-box h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 16px}.section-heading>p:last-child,.learning-grid>div>p:last-child,.family-box>div>p:last-child{color:var(--g-muted);font-size:1.03rem}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.18s}.btn-primary{background:var(--g-primary);color:#fff;box-shadow:0 12px 30px color-mix(in srgb,var(--g-primary) 24%,transparent)}.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05)}.btn-secondary{background:var(--g-surface);border-color:var(--g-line);color:var(--g-text)}.text-link{color:var(--g-primary);font-weight:800;white-space:nowrap}

.site-header{position:fixed;inset:0 0 auto;z-index:100;border-bottom:1px solid transparent;transition:.2s}.site-header.is-scrolled{background:var(--g-header);backdrop-filter:blur(18px);border-color:var(--g-line)}.header-inner{min-height:86px;display:flex;align-items:center;gap:24px}.brand-wrap{display:flex;align-items:center;flex:0 0 auto;min-width:0}.brand-logo{display:flex;align-items:center;line-height:0}.brand-logo .custom-logo-link{display:flex!important;align-items:center!important;margin:0!important;padding:0!important;line-height:0!important}.brand-logo .custom-logo{display:block!important;width:auto!important;height:auto!important;max-width:var(--g-logo-desktop)!important;max-height:72px!important;object-fit:contain!important;object-position:left center!important}.brand-fallback{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--g-primary);color:#fff;font-weight:900}.brand-name{font-size:.93rem;font-weight:900;letter-spacing:.13em;margin-left:12px}.site-nav{margin-left:auto}.nav-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}.nav-menu a{display:block;padding:9px 10px;color:var(--g-muted);font-size:.84rem;font-weight:750;border-radius:9px}.nav-menu a:hover{color:var(--g-text);background:var(--g-surface)}.header-tools,.mobile-controls{display:flex;align-items:center;gap:8px}.mobile-controls{display:none}.theme-toggle{width:42px;height:42px;border:1px solid var(--g-line);border-radius:11px;background:var(--g-surface);color:var(--g-text);cursor:pointer}.theme-sun{display:none}html[data-theme="light"] .theme-sun{display:inline}html[data-theme="light"] .theme-moon{display:none}.header-login{padding:10px 15px;border-radius:11px;background:var(--g-primary);color:#fff;font-size:.84rem;font-weight:800}.menu-toggle{width:42px;height:42px;border:1px solid var(--g-line);border-radius:11px;background:var(--g-surface);padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--g-text);margin:4px 0;border-radius:2px}

.hero{position:relative;padding:176px 0 104px;min-height:730px;background:linear-gradient(180deg,var(--g-bg),var(--g-bg2));border-bottom:1px solid var(--g-line)}.hero-grid-pattern{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(109,132,166,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(109,132,166,.07) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000,transparent 88%)}.hero:after{content:"";position:absolute;width:520px;height:520px;right:4%;top:10%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--g-primary) 18%,transparent),transparent 66%);pointer-events:none}.hero-layout{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.78fr);gap:72px;align-items:center}.hero h1{font-size:clamp(3.1rem,6.3vw,6.25rem);line-height:.97;letter-spacing:-.062em;margin:16px 0 24px;max-width:820px}.hero-intro{font-size:1.14rem;color:var(--g-muted);max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin:32px 0 22px}.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;color:var(--g-muted);font-size:.8rem;font-weight:650}.path-panel{position:relative;background:var(--g-surface);border:1px solid var(--g-line);border-radius:24px;padding:28px;box-shadow:var(--g-shadow)}.path-panel:before{content:"";position:absolute;top:0;left:28px;right:28px;height:2px;background:linear-gradient(90deg,var(--g-primary),var(--g-secondary));opacity:.8}.path-label{font-size:.69rem;font-weight:850;letter-spacing:.12em;color:var(--g-muted);margin:0}.path-panel h2{font-size:1.75rem;line-height:1.15;margin:11px 0 10px;letter-spacing:-.03em}.path-panel>p:not(.path-label){color:var(--g-muted);font-size:.92rem}.path-list{display:grid;gap:10px;margin-top:20px}.path-list>a{display:grid;grid-template-columns:46px 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--g-line);border-radius:14px;background:var(--g-bg2);transition:.18s}.path-list>a:hover{border-color:color-mix(in srgb,var(--g-primary) 55%,var(--g-line));transform:translateX(2px)}.path-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--g-surface2);font-weight:900}.kids-icon{color:#c89b39}.brain-icon{color:var(--g-primary)}.schools-icon{color:var(--g-secondary)}.path-list strong,.path-list small{display:block}.path-list small{color:var(--g-muted);font-size:.78rem;margin-top:2px}.path-list b{color:var(--g-muted)}

.versions-section{background:var(--g-bg)}.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.version-card{position:relative;min-height:280px;padding:27px;border:1px solid var(--g-line);border-radius:20px;background:var(--g-surface);display:flex;flex-direction:column}.version-code{font-size:.72rem;color:var(--g-muted);font-weight:800;letter-spacing:.1em}.version-card h3{font-size:1.9rem;margin:38px 0 10px;letter-spacing:-.035em}.version-card p{color:var(--g-muted);margin:0 0 26px}.version-card a{margin-top:auto;font-weight:800;color:var(--g-primary)}.version-card:after{content:"";position:absolute;left:27px;right:27px;top:0;height:2px;background:var(--g-primary);opacity:.6}.kids-card:after{background:var(--g-warm)}.schools-card:after{background:var(--g-secondary)}

.library-section{background:var(--g-bg2);border-block:1px solid var(--g-line)}.library-heading{max-width:none;display:flex;justify-content:space-between;gap:30px;align-items:end}.library-heading>div{max-width:760px}.library-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:28px 0 24px}.search-box{display:flex;align-items:center;gap:8px;min-width:min(430px,100%);border:1px solid var(--g-line);background:var(--g-surface);border-radius:12px;padding:0 13px}.search-box input{width:100%;height:46px;border:0;outline:0;background:transparent;color:var(--g-text)}.filter-group{display:flex;flex-wrap:wrap;gap:7px}.filter-button{border:1px solid var(--g-line);background:var(--g-surface);color:var(--g-muted);padding:9px 13px;border-radius:10px;font-weight:750;cursor:pointer}.filter-button.is-active{color:#fff;background:var(--g-primary);border-color:var(--g-primary)}.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.game-card{min-width:0;border:1px solid var(--g-line);border-radius:18px;overflow:hidden;background:var(--g-surface);transition:.18s}.game-card:hover{transform:translateY(-3px);box-shadow:var(--g-shadow)}.game-card[hidden]{display:none}.game-thumb{display:grid;place-items:center;aspect-ratio:16/9;background:linear-gradient(145deg,var(--g-surface2),var(--g-bg));overflow:hidden}.game-thumb img{width:100%;height:100%;object-fit:cover}.placeholder-mark{display:grid;place-items:center;width:68px;height:68px;border-radius:18px;border:1px solid var(--g-line);color:var(--g-primary);font-size:2rem;font-weight:900;background:var(--g-surface)}.game-body{padding:19px}.game-meta,.game-foot{display:flex;justify-content:space-between;gap:10px;align-items:center}.game-meta{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--g-muted);font-weight:800}.game-status{padding:4px 7px;border-radius:7px;background:var(--g-surface2);letter-spacing:0}.status-available{color:var(--g-success)}.status-beta{color:var(--g-warm)}.status-soon{color:var(--g-muted)}.game-card h3,.game-card h2{font-size:1.25rem;line-height:1.2;margin:12px 0 8px}.game-card p{color:var(--g-muted);font-size:.9rem;margin:0 0 18px}.game-foot{font-size:.77rem;color:var(--g-muted);padding-top:13px;border-top:1px solid var(--g-line)}.game-foot a{color:var(--g-primary);font-weight:800}.empty-games{padding:20px;border:1px dashed var(--g-line);border-radius:14px;color:var(--g-muted)}

.learning-section{background:var(--g-bg)}.learning-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:start}.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.principles>div{padding:22px;border:1px solid var(--g-line);border-radius:16px;background:var(--g-surface)}.principles b{display:block;color:var(--g-primary);font-size:.72rem;letter-spacing:.1em;margin-bottom:22px}.principles strong,.principles span{display:block}.principles span{color:var(--g-muted);font-size:.86rem;margin-top:6px}.family-section{padding-top:20px}.family-box{display:grid;grid-template-columns:1fr .82fr;gap:50px;padding:42px;border:1px solid var(--g-line);border-radius:24px;background:var(--g-surface)}.family-notes{display:grid;gap:10px}.family-notes>div{padding:17px;border-radius:14px;background:var(--g-bg2);border:1px solid var(--g-line)}.family-notes strong,.family-notes span{display:block}.family-notes span{color:var(--g-muted);font-size:.86rem;margin-top:3px}

.archive-hero{padding:160px 0 66px;background:var(--g-bg2);border-bottom:1px solid var(--g-line)}.archive-hero h1{font-size:clamp(2.6rem,6vw,5rem);margin:8px 0 12px;letter-spacing:-.05em}.archive-hero p:last-child{max-width:720px;color:var(--g-muted)}.archive-filters{display:grid;grid-template-columns:1.4fr 1fr 1fr auto;gap:10px;margin-bottom:30px}.archive-filters input,.archive-filters select{height:48px;border:1px solid var(--g-line);border-radius:11px;background:var(--g-surface);color:var(--g-text);padding:0 12px}.pagination{margin-top:34px}.nav-links{display:flex;gap:7px;flex-wrap:wrap}.page-numbers{padding:8px 12px;border:1px solid var(--g-line);border-radius:9px}.page-numbers.current{background:var(--g-primary);color:#fff;border-color:var(--g-primary)}

.single-game-hero{padding:158px 0 72px;background:var(--g-bg2);border-bottom:1px solid var(--g-line)}.single-game-grid{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.single-game h1{font-size:clamp(2.8rem,6vw,5.5rem);line-height:.98;letter-spacing:-.055em;margin:12px 0 20px}.single-excerpt{font-size:1.08rem;color:var(--g-muted);max-width:700px}.single-tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.single-tags>span{padding:7px 10px;border-radius:9px;background:var(--g-surface);border:1px solid var(--g-line);color:var(--g-muted);font-size:.78rem}.play-button{margin-top:8px}.single-cover{aspect-ratio:16/10;border-radius:22px;border:1px solid var(--g-line);background:var(--g-surface);display:grid;place-items:center;overflow:hidden}.single-cover img{width:100%;height:100%;object-fit:cover}.content-shell{max-width:900px}.content-shell h1{font-size:clamp(2.3rem,5vw,4.5rem)}.content-shell p,.content-shell li{color:var(--g-muted)}

.site-footer{padding:46px 0;border-top:1px solid var(--g-line);background:var(--g-bg2)}.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:34px;align-items:start}.footer-grid p{color:var(--g-muted);margin:5px 0}.footer-menu{display:flex;gap:14px;list-style:none;margin:0;padding:0;font-size:.84rem;color:var(--g-muted)}.footer-copy{font-size:.82rem}.post-list article{padding:20px 0;border-bottom:1px solid var(--g-line)}.error-page{min-height:80vh;display:grid;place-items:center;text-align:center;padding:150px 0}

.gate-modal[hidden]{display:none}.gate-modal{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:20px}.gate-backdrop{position:absolute;inset:0;background:rgba(3,8,16,.72);backdrop-filter:blur(8px)}.gate-dialog{position:relative;width:min(100%,540px);background:var(--g-surface);border:1px solid var(--g-line);border-radius:22px;padding:30px;box-shadow:0 30px 100px rgba(0,0,0,.45)}.gate-close{position:absolute;right:16px;top:14px;border:0;background:transparent;color:var(--g-muted);font-size:1.6rem;cursor:pointer}.gate-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--g-bg2);color:var(--g-secondary);margin-bottom:18px}.gate-dialog h2{font-size:2rem;margin:0 0 8px}.gate-dialog>p{color:var(--g-muted)}.gate-dialog fieldset{border:0;padding:0;margin:22px 0}.gate-dialog legend{font-weight:800;margin-bottom:13px}.gate-options{display:grid;gap:8px}.gate-option{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--g-line);border-radius:12px;background:var(--g-bg2);cursor:pointer}.gate-feedback{min-height:24px;font-size:.86rem}.gate-feedback.is-success{color:var(--g-success)}.gate-feedback.is-error{color:var(--g-danger)}.gate-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}

@media(max-width:1050px){.hero-layout{grid-template-columns:1fr;gap:42px}.path-panel{max-width:680px}.game-grid{grid-template-columns:repeat(2,1fr)}.learning-grid,.family-box,.single-game-grid{grid-template-columns:1fr}.site-nav{display:none;position:absolute;top:76px;left:20px;right:20px;background:var(--g-surface);border:1px solid var(--g-line);border-radius:16px;padding:10px;box-shadow:var(--g-shadow)}.site-nav.is-open{display:block}.nav-menu{display:grid}.menu-toggle{display:block}.desktop-theme{display:none}.mobile-controls{display:flex;margin-left:auto}.header-tools{margin-left:0}.header-login{display:none}}
@media(max-width:760px){.shell{width:min(calc(100% - 28px),var(--g-shell))}.section{padding:72px 0}.site-header{position:absolute;background:linear-gradient(180deg,var(--g-bg),transparent)}.site-header.is-scrolled{position:fixed;background:var(--g-header)}.header-inner{min-height:auto;display:grid;grid-template-columns:1fr auto;padding:10px 0 12px;gap:8px}.brand-wrap{grid-column:1/-1;width:100%;justify-content:center;padding:2px 0 4px}.brand-logo{width:100%;justify-content:center}.brand-logo .custom-logo-link{width:var(--g-logo-mobile)!important;max-width:100%!important;justify-content:center!important}.brand-logo .custom-logo{width:100%!important;max-width:100%!important;max-height:var(--g-logo-mobile-h)!important;height:auto!important;object-fit:contain!important;object-position:center!important}.brand-name{display:none}.mobile-controls{grid-column:1;grid-row:2;justify-content:flex-start;margin:0}.header-tools{grid-column:2;grid-row:2;display:flex;justify-content:flex-end}.header-login{display:inline-flex}.site-nav{top:calc(var(--g-logo-mobile-h) + 64px);left:14px;right:14px}.hero{padding:calc(var(--g-logo-mobile-h) + 126px) 0 72px;min-height:0}.hero:after{width:280px;height:280px;right:-80px;top:25%}.hero h1{font-size:clamp(2.65rem,14vw,4.4rem)}.hero-intro{font-size:1rem}.path-panel{padding:21px}.version-grid,.game-grid,.principles{grid-template-columns:1fr}.library-heading,.library-tools{display:block}.library-heading .text-link{display:inline-block;margin-top:14px}.search-box{min-width:0;margin-bottom:12px}.filter-group{gap:6px}.filter-button{flex:1}.learning-grid{gap:32px}.family-box{padding:26px}.archive-filters{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-menu{flex-wrap:wrap}.single-game-hero{padding-top:calc(var(--g-logo-mobile-h) + 126px)}}