:root{color-scheme:light;--color-canvas: #f3f4ef;--color-surface: #fffdf7;--color-surface-raised: #ffffff;--color-surface-muted: #e9efeb;--color-ink: #18212a;--color-muted: #66727d;--color-border: #d7dedb;--color-primary: #13756e;--color-primary-bright: #21a99a;--color-accent: #ffc74a;--color-highlight: #ff6b4a;--color-violet: #6f63ff;--color-night: #101923;--color-night-soft: #23313d;--color-on-night: #fffdf7;--color-on-night-muted: #b9c4c9;--focus-ring: #168f86;--shadow-soft: 0 24px 70px rgba(16, 25, 35, .12);--shadow-close: 0 12px 28px rgba(16, 25, 35, .12);--radius-control: 8px;--radius-surface: 12px;--container: 1180px;--font-display: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;--font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0;background-color:var(--color-canvas);background-image:linear-gradient(rgba(24,33,42,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(24,33,42,.025) 1px,transparent 1px);background-position:center top;background-size:64px 64px;color:var(--color-ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body::selection{background:var(--color-accent);color:var(--color-ink)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3,.brand,.button,.stat-item strong{font-family:var(--font-display)}h1,h2{text-wrap:balance}:where(a,summary):focus-visible{outline:3px solid var(--focus-ring);outline-offset:4px}.site-header{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(24,33,42,.08);background:#f3f4efe0;backdrop-filter:blur(18px) saturate(135%)}.site-header__inner{display:flex;width:min(var(--container),calc(100% - 40px));min-height:76px;margin-inline:auto;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;min-width:max-content;align-items:center;gap:12px}.brand__icon{display:grid;width:46px;height:46px;flex:0 0 auto;place-items:center;border:1px solid rgba(255,255,255,.72);border-radius:var(--radius-control);background:#fff;box-shadow:0 8px 20px #10192324}.brand__icon img{width:40px;height:40px;border-radius:6px}.brand__copy{display:grid;gap:2px}.brand__copy strong{font-size:.98rem;font-weight:900;letter-spacing:-.02em}.brand__copy small{color:var(--color-muted);font-size:.66rem;font-weight:800;letter-spacing:.08em;line-height:1.2;text-transform:uppercase}.site-header__actions,.primary-nav,.header-languages{display:flex;align-items:center}.site-header__actions{min-width:0;gap:16px}.primary-nav{gap:2px;color:var(--color-muted);font-size:.84rem;font-weight:800}.primary-nav a{min-height:40px;border-radius:var(--radius-control);padding:10px 12px;transition:color .16s ease,background-color .16s ease,transform .16s ease}.primary-nav a:hover{background:#ffffffb8;color:var(--color-ink)}.primary-nav .nav-cta{display:inline-flex;margin-left:6px;align-items:center;gap:9px;background:var(--color-night);color:#fff}.primary-nav .nav-cta:hover{background:var(--color-primary);color:#fff;transform:translateY(-1px)}.header-languages{gap:3px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:#ffffff94;padding:3px}.header-languages a{border-radius:5px;padding:7px 9px;color:var(--color-muted);font-size:.72rem;font-weight:850}.header-languages a.active{background:var(--color-primary);color:#fff}.hero{position:relative;display:grid;overflow:hidden;width:min(var(--container),calc(100% - 40px));min-height:660px;margin:28px auto 0;padding:clamp(50px,6vw,82px);grid-template-columns:minmax(0,1fr) minmax(390px,.86fr);align-items:center;gap:clamp(40px,6vw,84px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-surface);background:linear-gradient(135deg,var(--color-night-soft),var(--color-night) 68%);box-shadow:var(--shadow-soft);color:var(--color-on-night)}.hero-grid,.modes-grid,.download-grid,.policy-grid{position:absolute;inset:0;pointer-events:none}.hero-grid,.modes-grid,.policy-grid{background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(90deg,black,transparent 78%)}.hero-watermark{position:absolute;right:-32px;bottom:-112px;color:#fff;font-family:var(--font-display);font-size:clamp(15rem,31vw,26rem);font-weight:950;letter-spacing:-.11em;line-height:.76;opacity:.035;pointer-events:none}.hero-copy,.hero-visual{position:relative;z-index:2}.hero-copy{max-width:630px}.eyebrow{display:flex;margin:0 0 16px;align-items:center;gap:10px;color:var(--color-primary);font-size:.72rem;font-weight:900;letter-spacing:.13em;line-height:1.2;text-transform:uppercase}.eyebrow--on-dark{color:var(--color-accent)}.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--color-accent);box-shadow:0 0 0 5px #ffc74a21}h1{max-width:720px;margin-bottom:24px;font-size:clamp(3.4rem,7.3vw,6rem);font-weight:950;letter-spacing:-.065em;line-height:.92}.hero-body{max-width:660px;margin-bottom:30px;color:var(--color-on-night-muted);font-size:clamp(1rem,1.55vw,1.16rem);font-weight:520;line-height:1.72}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.button{display:inline-flex;min-height:52px;align-items:center;justify-content:center;gap:16px;border:1px solid transparent;border-radius:var(--radius-control);padding:0 18px;font-size:.88rem;font-weight:900;transition:transform .17s ease,box-shadow .17s ease,background-color .17s ease}.button i{font-style:normal;font-size:1rem}.button:hover{transform:translateY(-2px)}.button--primary{background:var(--color-accent);box-shadow:0 14px 30px #ffc74a2e;color:var(--color-ink)}.button--primary:hover{box-shadow:0 18px 36px #ffc74a42}.button--secondary{border-color:#ffffff2e;background:#ffffff12;color:#fff}.button--secondary:hover{background:#ffffff1f}.trust-line{display:flex;margin-bottom:0;align-items:flex-start;gap:10px;color:var(--color-on-night-muted);font-size:.83rem;font-weight:720;line-height:1.55}.trust-line span{display:grid;width:20px;height:20px;flex:0 0 auto;place-items:center;border:1px solid rgba(33,169,154,.45);border-radius:50%;background:#21a99a24;color:#77e3d6;font-size:.68rem}.hero-visual{display:grid;place-items:center}.game-preview{position:relative;width:min(100%,500px);padding:18px}.preview-window{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.86);border-radius:var(--radius-surface);background:#f8f5ed;padding:15px;box-shadow:0 32px 70px #00000052,0 0 0 8px #ffffff0b;color:var(--color-ink);transform:rotate(1.2deg);transition:transform .24s ease}.game-preview:hover .preview-window{transform:rotate(0) translateY(-3px)}.preview-toolbar{display:flex;height:20px;margin:-2px 0 10px;align-items:center;gap:5px}.preview-toolbar>span{width:6px;height:6px;border-radius:50%;background:#cad1ce}.preview-toolbar>.preview-signal{background:var(--color-highlight)}.preview-toolbar i{width:42px;height:5px;margin-left:auto;border-radius:999px;background:#d9dedb}.preview-top{display:grid;margin-bottom:10px;grid-template-columns:1fr 1fr;gap:8px}.preview-top>div{position:relative;overflow:hidden;min-height:72px;border:1px solid #dbe0dc;border-radius:var(--radius-control);background:#fff;padding:12px 14px}.preview-target:after{position:absolute;right:-16px;bottom:-32px;color:var(--color-primary);content:"24";font-family:var(--font-display);font-size:4.6rem;font-weight:950;opacity:.07}.preview-top span{display:block;color:var(--color-muted);font-size:.65rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase}.preview-top strong{position:relative;z-index:1;display:block;margin-top:5px;font-family:var(--font-display);font-size:1.28rem;font-weight:950;letter-spacing:-.03em}.preview-level{border-color:#21a99a42!important;background:#edf8f5!important}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.number-card{position:relative;display:grid;overflow:hidden;aspect-ratio:.88;place-items:center;border:1px solid #dce1de;border-radius:var(--radius-control);background:#fff;box-shadow:0 8px 16px #10192314}.number-card:before{position:absolute;inset:0 auto 0 0;width:4px;background:var(--color-primary-bright);content:"";opacity:.5}.number-card>span{position:absolute;top:8px;left:10px;color:var(--color-muted);font-size:.62rem;font-weight:900}.number-card>strong{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.1rem);font-weight:950;letter-spacing:-.06em}.number-card>i{position:absolute;right:9px;bottom:9px;width:7px;height:7px;border-radius:50%;background:var(--color-accent)}.number-card.is-selected{border-color:var(--color-primary-bright);background:linear-gradient(145deg,var(--color-primary-bright),var(--color-primary));box-shadow:0 12px 22px #13756e3d;color:#fff;transform:translateY(-2px)}.number-card.is-selected:before{background:var(--color-accent);opacity:1}.number-card.is-selected>span{color:#ffffffb8}.hint-strip{display:flex;min-height:44px;margin-top:10px;align-items:center;gap:10px;border:1px solid #dbe0dc;border-radius:var(--radius-control);background:#fff;padding:9px 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auto 0;grid-template-columns:repeat(3,1fr);border:1px solid var(--color-border);border-radius:var(--radius-surface);background:var(--color-surface-raised);box-shadow:var(--shadow-close)}.stat-item{position:relative;display:grid;min-height:126px;align-content:center;padding:24px 30px}.stat-item+.stat-item{border-left:1px solid var(--color-border)}.stat-index{position:absolute;top:14px;right:16px;color:#a5afab;font-size:.62rem;font-weight:900;letter-spacing:.1em}.stat-item strong{color:var(--color-primary);font-size:clamp(2rem,4vw,3.2rem);font-weight:950;letter-spacing:-.06em;line-height:.95}.stat-item>span:last-child{margin-top:8px;color:var(--color-muted);font-size:.8rem;font-weight:800}.section,.seo-block,.download{width:min(var(--container),calc(100% - 40px));margin-inline:auto}.section{padding:116px 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ease}.feature-card:hover{z-index:2;border-color:#13756e61;box-shadow:var(--shadow-close);transform:translateY(-4px)}.feature-card--featured{min-height:454px;grid-row:1 / 3;background:var(--color-accent);border-color:#edb52d}.feature-card__top{display:flex;align-items:center;justify-content:space-between;gap:20px}.feature-card__index{color:var(--color-muted);font-size:.67rem;font-weight:900;letter-spacing:.12em}.feature-card--featured .feature-card__index{color:#18212a8a}.feature-card__icon{display:grid;width:44px;height:44px;place-items:center;border-radius:var(--radius-control);background:var(--color-night);color:#fff;font-family:var(--font-display);font-size:1.1rem;font-weight:900}.feature-card:nth-child(2) .feature-card__icon{background:var(--color-primary)}.feature-card:nth-child(3) .feature-card__icon{background:var(--color-highlight)}.feature-card__copy{position:relative;z-index:2;max-width:560px}.feature-card__copy h3{margin-bottom:12px;font-size:clamp(1.3rem,2.4vw,2rem)}.feature-card__copy p{max-width:540px;margin-bottom:0;color:var(--color-muted);font-size:.95rem;line-height:1.68}.feature-card--featured .feature-card__copy p{color:#18212aad}.mini-equation{display:flex;margin-top:38px;align-items:center;gap:clamp(9px,2vw,18px)}.mini-equation span,.mini-equation strong{display:grid;width:clamp(54px,7vw,78px);aspect-ratio:1;place-items:center;border:1px solid rgba(24,33,42,.12);border-radius:var(--radius-control);background:#ffffffc2;box-shadow:0 10px 24px #6b4c031a;font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.35rem);font-weight:950}.mini-equation strong{background:var(--color-night);color:#fff}.mini-equation i{font-style:normal;font-weight:950}.modes{position:relative;overflow:hidden;margin-top:20px;margin-bottom:76px;border-radius:var(--radius-surface);background:linear-gradient(135deg,var(--color-night-soft),var(--color-night));padding:clamp(48px,6vw,76px);color:var(--color-on-night);scroll-margin-top:100px}.modes-grid{opacity:.8;mask-image:linear-gradient(180deg,black,transparent)}.section-heading--on-dark{position:relative;z-index:1;max-width:760px;margin-bottom:54px}.mode-list{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.mode-card{min-width:0;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-control);background:#ffffff0b;padding:24px;transition:background-color .17s ease,transform .17s ease}.mode-card:hover{background:#ffffff16;transform:translateY(-3px)}.mode-card__meta{display:flex;margin-bottom:48px;align-items:center;justify-content:space-between;color:var(--color-on-night-muted);font-size:.66rem;font-weight:900;letter-spacing:.1em}.mode-card__meta i{display:grid;width:36px;height:36px;place-items:center;border-radius:6px;background:var(--color-primary-bright);color:var(--color-night);font-size:1rem;font-style:normal}.mode-card:nth-child(2) .mode-card__meta i{background:var(--color-accent)}.mode-card:nth-child(3) .mode-card__meta i{background:var(--color-highlight)}.mode-card:nth-child(4) .mode-card__meta i{background:var(--color-violet);color:#fff}.mode-card h3{margin-bottom:12px;color:#fff;font-size:1.18rem}.mode-card p{margin-bottom:0;color:var(--color-on-night-muted);font-size:.88rem;line-height:1.65}.seo-block{display:grid;padding:16px;grid-template-columns:minmax(250px,.7fr) minmax(0,1.3fr);gap:clamp(34px,6vw,82px);border:1px solid var(--color-border);border-radius:var(--radius-surface);background:var(--color-surface-raised);box-shadow:var(--shadow-close)}.seo-block__mark{position:relative;display:grid;overflow:hidden;min-height:390px;place-items:center;border-radius:var(--radius-control);background:var(--color-primary);color:#fff}.seo-block__mark:before,.seo-block__mark:after{position:absolute;width:180px;height:180px;border:34px solid rgba(255,255,255,.12);border-radius:50%;content:""}.seo-block__mark:before{top:-95px;left:-92px}.seo-block__mark:after{right:-86px;bottom:-104px;border-color:#ffc74a4d}.seo-block__mark strong{position:relative;z-index:1;font-family:var(--font-display);font-size:clamp(7rem,15vw,11rem);font-weight:950;letter-spacing:-.1em;line-height:.8}.seo-block__mark span{position:absolute;z-index:2;display:grid;width:52px;height:52px;place-items:center;border-radius:var(--radius-control);background:var(--color-accent);box-shadow:var(--shadow-close);color:var(--color-ink);font-family:var(--font-display);font-size:1.5rem;font-weight:950}.seo-block__mark span:first-child{top:34px;right:34px;transform:rotate(7deg)}.seo-block__mark span:last-child{bottom:34px;left:34px;background:var(--color-highlight);transform:rotate(-8deg)}.seo-block__copy{align-self:center;padding:clamp(28px,4vw,48px) clamp(18px,4vw,44px) clamp(28px,4vw,48px) 0}.seo-block__copy h2{margin-bottom:22px}.seo-block__copy>p:not(.eyebrow){max-width:710px;margin-bottom:28px;color:var(--color-muted);font-size:1rem;line-height:1.75}.equation-ribbon{display:flex;width:fit-content;max-width:100%;align-items:center;gap:8px;border-radius:var(--radius-control);background:var(--color-night);padding:9px;color:#fff}.equation-ribbon span,.equation-ribbon strong{display:grid;min-height:44px;place-items:center;border-radius:6px;background:#ffffff17;padding:0 14px;font-family:var(--font-display);font-size:1rem;font-weight:900}.equation-ribbon strong{background:var(--color-accent);color:var(--color-ink)}.equation-ribbon i{color:var(--color-on-night-muted);font-style:normal;font-weight:900}.faq{padding-bottom:90px}.faq-layout{display:grid;grid-template-columns:minmax(250px,.7fr) minmax(0,1.3fr);gap:clamp(44px,8vw,104px)}.faq-heading{position:sticky;top:118px;align-self:start}.faq-mark{display:grid;width:92px;height:92px;margin-top:34px;place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-accent);box-shadow:var(--shadow-close);font-family:var(--font-display);font-size:3.5rem;font-weight:950;transform:rotate(-4deg)}.faq-list{border-top:1px solid var(--color-border)}.faq-list details{border-bottom:1px solid var(--color-border);background:transparent;transition:background-color .16s ease}.faq-list details[open]{background:#fffdf7b8}.faq-list summary{display:grid;min-height:86px;cursor:pointer;grid-template-columns:42px minmax(0,1fr) 36px;align-items:center;gap:18px;padding:18px 20px;font-family:var(--font-display);font-size:1rem;font-weight:850;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-index{color:var(--color-primary);font-size:.68rem;font-weight:950;letter-spacing:.1em}.faq-toggle{display:grid;width:32px;height:32px;place-items:center;border-radius:6px;background:var(--color-night);color:#fff;font-size:1.2rem;font-style:normal;line-height:1;transition:transform .18s ease,background-color .18s ease}.faq-list details[open] .faq-toggle{background:var(--color-highlight);color:var(--color-ink);transform:rotate(45deg)}.faq-list details>p{max-width:680px;margin:-6px 20px 0 80px;padding:0 0 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