@font-face{font-family:Geist;src:url('assets/Geist.ttf') format('truetype');font-weight:100 900;font-display:swap}
:root{font-family:Geist,Arial,sans-serif;color:#152443;background:#fff;--blue:#4164b2;--ink:#152443;--muted:#6a7790;--line:#e2e8f1;--ease:cubic-bezier(.18,.8,.24,1);color-scheme:light;scroll-behavior:smooth;scroll-padding-top:115px}*{box-sizing:border-box}body{margin:0}h1,h2,h3,p{margin:0}button,input{font:inherit}button{cursor:pointer;border:0;color:inherit}a{color:inherit;text-decoration:none}img{object-fit:contain;max-width:100%}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid #7599df;outline-offset:5px}::selection{background:#dbe6ff}.skip{position:fixed;top:-90px;left:20px;padding:14px;background:white;z-index:100}.skip:focus{top:15px}.nav{position:fixed;isolation:isolate;z-index:20;top:0;left:0;right:0;max-width:1450px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:25px 5%;gap:20px}.nav:before{content:'';position:absolute;z-index:-1;top:0;bottom:-20px;left:50%;width:100vw;transform:translateX(-50%);background:linear-gradient(180deg,#eef3fbe6,#f7f9fcbd 70%,#f7f9fc00);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 70%,transparent);pointer-events:none}.brand{display:inline-flex;align-items:center;gap:8px;font-size:32px;font-weight:800;letter-spacing:-2px}.brand-eyes{display:flex;gap:4px;padding:11px 9px;border-radius:11px;background:var(--blue);transform:rotate(-8deg)}.brand-eyes i{width:4px;height:10px;background:white;border-radius:4px;animation:blink 6s infinite}.nav nav{display:flex;gap:27px;font-size:12px;font-weight:550;margin-left:auto;margin-right:24px}.nav nav a{padding:10px 0}.nav nav a:hover{color:var(--blue)}.nav-actions{display:flex;gap:9px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;padding:17px 25px;border-radius:30px;font-size:14px;font-weight:650;transition:transform .25s,background .25s;min-height:54px}.button:hover{transform:translateY(-3px);background:#31549b}.button span{font-size:20px}.button.small{font-size:12px;padding:12px 20px;min-height:44px;gap:23px}.blue{background:var(--blue);color:#fff}
main{padding:0 20px;max-width:1700px;margin:auto}.world-video,.video-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero{position:relative;isolation:isolate;height:calc(100svh - 20px);min-height:650px;max-height:1000px;border-radius:0 0 64px 64px;overflow:hidden;background:#e4eafa}.hero .world-video,.hero .video-poster{object-position:50% 55%}.hero-copy{position:absolute;left:20px;right:20px;top:19%;text-align:center;z-index:2}.eyebrow{font-size:9px;line-height:1.7;font-weight:650;letter-spacing:1.7px}.hero-copy .eyebrow{color:#304365}.hero h1{font-size:clamp(48px,6.4vw,100px);line-height:.99;letter-spacing:-.06em;font-weight:750;margin:20px 0}.hero-copy>p:last-child{font-size:clamp(15px,1.55vw,21px);line-height:1.5;font-weight:450}.section{max-width:1260px;margin:auto;padding:115px 40px}.section-intro{text-align:center}.section-intro h2{margin:20px 0}.section-intro>p:last-child{font-size:15px;line-height:1.7;color:var(--muted)}h2{font-size:clamp(40px,4.7vw,69px);font-weight:650;line-height:1.05;letter-spacing:-.055em}h2 span{color:var(--blue)}.scene-tabs{display:flex;justify-content:center;gap:9px;margin:38px auto 28px}.scene-tabs button{display:flex;align-items:center;gap:14px;border:1px solid var(--line);background:#fff;border-radius:28px;padding:14px 22px;font-size:12px;font-weight:550;transition:background .25s,color .25s,transform .25s}.scene-tabs button:hover{transform:translateY(-2px)}.scene-tabs button>span{font-size:9px;opacity:.6}.scene-tabs button[aria-selected=true]{background:var(--blue);border-color:var(--blue);color:#fff}.scene-stage{position:relative;isolation:isolate;aspect-ratio:1.8;border-radius:38px;overflow:hidden;background:#e7eefb}.scene{position:absolute;inset:0}.scene[hidden]{display:none}.scene:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#f0f3fbe8,#f0f3fb90 28%,transparent 57%);pointer-events:none}.scene-copy{position:absolute;z-index:2;left:5%;top:15%;width:39%}.scene-copy .eyebrow{color:#4f6488}.scene-copy h3{font-size:clamp(28px,3.1vw,44px);line-height:1.06;letter-spacing:-.045em;font-weight:650;margin:20px 0}.scene-copy p{font-size:12px;line-height:1.8;color:#5c6b85}.scene-bubble{position:absolute;right:5%;bottom:9%;z-index:2;display:flex;gap:9px;align-items:center;background:#fffffff0;border:1px solid white;border-radius:16px;padding:15px 20px;font-size:11px;box-shadow:0 7px 25px #26396008;transform:rotate(-3deg)}.scene-bubble img{height:15px;width:15px}.status-dot{width:6px;height:6px;background:#6f91c7;border-radius:50%}.scene-caption{position:absolute;left:5%;bottom:5%;font-size:7px;color:#6a7890;letter-spacing:1.4px;z-index:3}.world-note{font-size:9px;color:#929cb0;text-align:center;margin-top:17px}.models{display:grid;grid-template-columns:1fr 1.08fr;gap:70px;align-items:center;padding-top:25px}.model-copy h2{margin:22px 0}.model-copy>p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.8}.model-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:415px;margin:28px 0 16px}.model{border:1px solid var(--line);background:white;padding:12px 11px;border-radius:14px;display:flex;align-items:center;gap:8px;font-size:11px;font-weight:550;transition:background .3s,border-color .3s,transform .25s}.model:hover{transform:translateY(-3px)}.model img{width:20px;height:20px;background:white;padding:2px;border-radius:5px}.model.selected{background:#eaf0fb;border-color:#a9bfe1}.quiet-label{font-size:9px;color:var(--muted)}.model-stage{height:520px;position:relative;border-radius:42% 42% 34px 34px;background:var(--model-color);isolation:isolate;overflow:hidden;touch-action:pan-y;user-select:none;cursor:grab;--drag:0px}.model-stage.dragging{cursor:grabbing}.model-wash{position:absolute;inset:0;background:var(--model-color);z-index:-1;pointer-events:none}.model-counter{position:absolute;left:28px;top:33px;font-size:9px;font-weight:600}.drag-label{position:absolute;top:60px;left:0;right:0;text-align:center;font-size:7px;letter-spacing:1.7px;color:var(--muted)}.model-stage>#model-mascot{position:absolute;width:62%;height:63%;left:19%;bottom:23%;transform:translateX(var(--drag));filter:drop-shadow(0 15px 9px #58719120);z-index:3;pointer-events:none}.model-stage.settling>#model-mascot{transition:transform .45s var(--ease)}.model-neighbor{position:absolute;width:29%;height:35%;bottom:29%;opacity:.38;filter:blur(1px);pointer-events:none;transform:translateX(calc(var(--drag)*.4))}.neighbor-prev{left:-10%}.neighbor-next{right:-10%}.model-floor{position:absolute;width:76%;height:20%;border-radius:50%;bottom:112px;left:12%;background:#ffffff6b;box-shadow:0 9px 0 #ffffff30;z-index:-1}.model-caption{position:absolute;bottom:30px;left:28px;z-index:4}.model-caption>.quiet-label{font-size:7px;letter-spacing:1.3px}.model-caption strong{display:block;font-size:29px;letter-spacing:-1px;margin-top:4px;font-weight:650}.model-caption p{font-size:10px;color:var(--muted);margin-top:6px}.model-arrows{position:absolute;right:23px;bottom:34px;display:flex;gap:6px;z-index:5}.model-arrows button{height:35px;width:35px;border-radius:50%;background:#fffc;font-size:18px}.model-arrows button:hover{background:white}.closing{position:relative;isolation:isolate;height:640px;border-radius:42px;overflow:hidden;background:#edf1fb;max-width:1450px;margin:auto}.closing-copy{position:absolute;top:10%;left:20px;right:20px;text-align:center}.closing h2{font-size:clamp(42px,5vw,75px);margin:17px 0 25px}.closing .button{font-size:12px;padding:13px 22px;min-height:48px}.closing-note{position:absolute;bottom:24px;left:35px;font-size:7px;letter-spacing:1.6px;color:#4b5d7b}footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:45px 5%;max-width:1450px;margin:auto}footer>.brand{font-size:42px}footer p{font-size:11px;color:var(--muted)}footer>a:last-child{font-size:11px}.footer-dot{color:var(--blue)}.motion-off *, .motion-off *:before,.motion-off *:after{animation:none!important;transition:none!important}.motion-off{scroll-behavior:auto}
@keyframes blink{0%,43%,47%,100%{transform:scaleY(1)}45%{transform:scaleY(.1)}}
@media(max-width:1000px){.nav{padding:22px 4%}.nav nav{gap:18px;margin-right:5px;font-size:11px}.hero h1{font-size:7vw}.section{padding:90px 25px}.models{padding-top:10px;gap:35px}.model-list{grid-template-columns:repeat(2,1fr)}.model-stage{height:470px}.scene-stage{aspect-ratio:1.6}.scene-copy{top:12%;width:43%}.scene-copy h3{font-size:30px}.scene-copy p{font-size:11px}.scene-bubble{font-size:9px}.closing{height:600px}}
@media(max-width:640px){:root{scroll-padding-top:95px}.nav{padding:18px 22px;gap:10px}.brand{font-size:28px;gap:7px}.brand-eyes{padding:9px 8px;gap:4px;border-radius:9px}.brand-eyes i{height:9px;width:4px}.nav nav{display:none}.nav-actions{gap:6px}.button.small{font-size:10px;padding:10px 15px;min-height:39px;gap:14px}main{padding:0 10px}.hero{min-height:640px;height:calc(100svh - 10px);max-height:900px;border-radius:0 0 35px 35px}.hero .world-video,.hero .video-poster{object-position:42% 50%}.hero-copy{top:18%;left:18px;right:18px}.hero-copy .eyebrow{font-size:6px;letter-spacing:1.3px}.hero h1{font-size:52px;line-height:.98;max-width:320px;margin:19px auto}.hero-copy>p:last-child{font-size:13px;line-height:1.6;max-width:280px;margin:auto}.hero-copy>p:last-child br{display:none}.eyebrow{font-size:7px;letter-spacing:1.4px}.section{padding:72px 12px}h2{font-size:40px;letter-spacing:-.05em}.section-intro h2{margin:17px 0}.section-intro>p:last-child{font-size:12px}.scene-tabs{gap:5px;margin:26px 0 20px}.scene-tabs button{padding:12px 11px;font-size:9px;gap:0}.scene-tabs button>span{display:none}.scene-stage{aspect-ratio:auto;height:540px;border-radius:26px}.scene:after{background:linear-gradient(#edf2fb 35%,#edf2fb00 64%)}.scene .world-video,.scene .video-poster{height:70%;top:auto;bottom:0;object-position:60% 50%}.scene-copy{left:25px;right:25px;top:28px;width:auto}.scene-copy h3{font-size:31px;margin:14px 0}.scene-copy p{font-size:11px;line-height:1.7}.scene-copy p br{display:none}.scene-copy .eyebrow{font-size:7px}.scene-bubble{font-size:8px;right:18px;bottom:42px;padding:12px 14px;border-radius:12px}.scene-caption{font-size:6px;bottom:20px;left:24px;letter-spacing:1px}.world-note{font-size:7px;margin-top:14px}.models{grid-template-columns:1fr;padding-top:5px;gap:30px}.model-copy h2{font-size:44px;margin:17px 0}.model-copy>p:not(.eyebrow){font-size:12px}.desktop{display:none}.model-list{grid-template-columns:repeat(3,1fr);gap:6px;margin-top:23px}.model{font-size:9px;padding:11px 8px;gap:5px;border-radius:12px}.model img{width:18px;height:18px}.model-stage{height:440px;border-radius:42% 42% 26px 26px}.model-counter{top:28px;left:25px}.model-caption{left:25px;bottom:28px}.model-caption strong{font-size:27px}.model-caption p{font-size:9px}.model-arrows{right:20px;bottom:32px}.model-arrows button{width:31px;height:31px}.closing{height:590px;border-radius:28px}.closing .world-video,.closing .video-poster{object-position:50% 50%}.closing-copy{top:11%}.closing h2{font-size:45px;margin-top:17px}.closing .button{font-size:10px;gap:20px;min-height:43px;padding:11px 18px}.closing-note{left:23px;bottom:20px;font-size:6px}footer{padding:34px 25px;gap:23px;flex-wrap:wrap}footer>.brand{font-size:35px}footer p{order:3;flex-basis:100%;font-size:9px}footer>a:last-child{font-size:10px}}
@media(prefers-reduced-motion:reduce){html:not(.motion-enabled){scroll-behavior:auto}html:not(.motion-enabled) *,html:not(.motion-enabled) *:before,html:not(.motion-enabled) *:after{animation:none!important;transition:none!important}}

.motion-off .world-video{visibility:hidden}.button:disabled{cursor:default;opacity:.7;transform:none}.video-poster{pointer-events:none}

.model-counter{left:0;right:0;top:30px;text-align:center}

.download-nav{max-width:1400px;margin:auto;padding:27px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px}.back-link{font-size:12px;color:var(--muted)}.download-main{max-width:1400px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:8%;padding:35px 5% 60px;min-height:calc(100svh - 200px)}.download-art{position:relative;min-height:540px;align-self:stretch;border-radius:40px;overflow:hidden;background:#edf2fc}.download-art>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:42% 50%}.download-art-caption{position:absolute;top:45px;left:30px;right:30px;text-align:center;font-size:8px;letter-spacing:1.7px}.download-copy h1{font-size:clamp(45px,4.4vw,68px);line-height:1.03;letter-spacing:-.055em;font-weight:650;margin:24px 0}.download-copy h1 span{color:var(--blue)}.download-intro{font-size:14px;line-height:1.8;color:var(--muted)}.download-platforms{display:grid;gap:12px;margin:30px 0 18px}.store-button{display:flex;align-items:center;gap:15px;border:1px solid #dce4f1;background:#f2f5fb;color:var(--ink);padding:18px 21px;border-radius:20px;min-height:80px;text-align:left;width:100%;font-size:19px;font-weight:600;transition:background .2s,transform .2s}.store-button svg{width:28px;height:28px;flex-shrink:0;fill:currentColor}.store-button small{display:block;font-size:10px;font-weight:450;color:var(--muted);margin-bottom:5px}.store-button .store-arrow{margin-left:auto;font-size:20px;font-weight:400}.store-button:not(:disabled):hover{background:#e5edfb;transform:translateY(-2px)}.store-button:disabled{cursor:default;color:#6a7790;background:#f5f7fb}.download-status{font-size:11px;line-height:1.7;color:var(--muted);max-width:360px}.download-explore{display:inline-flex;gap:30px;font-size:12px;margin-top:33px;color:var(--blue);font-weight:550}.download-page footer{border-top:1px solid var(--line);margin:0 5%;padding:30px 0}.download-page footer .brand{font-size:28px}.download-page footer .brand-eyes{display:none}
@media(max-width:700px){.download-nav{padding:22px 24px}.back-link{font-size:10px}.download-main{display:flex;flex-direction:column;gap:34px;padding:12px 24px 50px}.download-copy{order:0;width:100%}.download-copy h1{font-size:47px;margin:19px 0}.download-intro{font-size:12px}.download-platforms{margin-top:24px}.store-button{min-height:75px;font-size:18px;padding:16px 18px;border-radius:17px}.download-art{order:1;min-height:280px;max-height:280px;width:100%;border-radius:28px}.download-art>img{object-position:50% 64%}.download-art-caption{top:23px;font-size:6px}.download-explore{margin-top:23px}.download-page footer{margin:0 24px}}

/* The original TuanTuan mascot, with a separate home link beside its playful tap target. */
.brand-motion{display:block;flex:none;width:52px;height:52px;margin:-8px -5px -8px -8px;padding:0;background:none;color:var(--blue);border-radius:12px}.brand-motion svg{display:block;width:100%;height:100%;overflow:visible}.brand>a{color:inherit}.brand-motion:hover{color:#3656a3}@media(max-width:640px){.brand-motion{width:44px;height:44px;margin:-6px -4px -6px -6px}}

.wander{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:grid;place-items:center;width:44px;height:44px;font-size:24px;border-radius:50%}.wander span{animation:nudge 2s ease-in-out infinite}@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}@media(prefers-reduced-motion:reduce){.wander span{animation:none}}
/* Original sticker artwork sits on the text baseline, without changing its line height. */
.sticker-word{white-space:nowrap;color:inherit}.inline-sticker{position:relative;display:inline-block;width:.95em;height:.95em;margin:0 .12em 0 .02em;vertical-align:-.1em;line-height:1;letter-spacing:0;overflow:hidden;isolation:isolate}.inline-sticker img{display:block;width:100%;height:100%;object-fit:contain}.sticker-animated img{position:absolute;width:200%;height:200%;max-width:none;left:-50%;top:-59%}h2 .sticker-word{color:inherit}.download-copy h1 .sticker-word{color:var(--ink)}.button .button-label{display:inline-flex;align-items:center;gap:9px;font-size:inherit}.button .sticker-badge{width:27px;height:27px;margin:0;padding:3px;border-radius:50%;background:#fff;flex-shrink:0;transition:transform .3s var(--ease)}.button:hover .sticker-badge{transform:rotate(-12deg) scale(1.12)}.button:active{transform:scale(.97)}.sticker-burst{position:fixed;inset:0;z-index:50;overflow:hidden;pointer-events:none}.sticker-particle{position:absolute;width:34px;height:34px;object-fit:contain;will-change:transform,opacity}@media(max-width:640px){.button.small .sticker-badge{width:23px;height:23px}.button .button-label{gap:6px}.button.small{gap:12px}.hero h1 .inline-sticker{width:.8em;height:.8em}}@media(prefers-reduced-motion:reduce){.sticker-animated img{position:static;width:100%;height:100%}.button:hover .sticker-badge{transform:none}}

.scene-tabs{position:relative;isolation:isolate;width:fit-content;max-width:100%;margin-left:auto;margin-right:auto}.scene-indicator{position:absolute;left:0;top:0;z-index:-1;background:var(--blue);border-radius:28px;pointer-events:none;transition:transform .52s var(--ease),width .52s var(--ease),height .52s var(--ease)}.scene-tabs.has-indicator button{background:transparent}.scene-tabs.has-indicator button[aria-selected=true]{background:transparent;border-color:transparent}.scene-tabs.has-indicator button:hover{transform:none}.scene-tabs.has-indicator button:not([aria-selected=true]):hover{background:#4164b20a}.reveal-pending{opacity:0;transform:translateY(18px)}
.model-stage{--preview-prev:0;--preview-next:0}.model-neighbor{transform:translateX(calc(var(--drag)*.75)) scale(calc(1 + var(--preview)*.55));opacity:calc(.38 + var(--preview)*.45);filter:blur(calc(1px - var(--preview)*1px))}.neighbor-prev{--preview:var(--preview-prev);transform-origin:50% 65%}.neighbor-next{--preview:var(--preview-next);transform-origin:50% 65%}.model-stage.settling .model-neighbor{transition:transform .45s var(--ease),opacity .45s var(--ease),filter .45s var(--ease)}
@media(prefers-reduced-motion:reduce){.reveal-pending{opacity:1;transform:none}}