:root{--paper:#edefe5;--ink:#20271f;--muted:#626b5d;--line:#cdd2c3;--lime:#d2ef91;--white:#f9faf5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #537734;outline-offset:5px}.wrap{width:min(1360px,calc(100% - 104px));margin:auto}.header{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.5px}.beta{align-self:flex-start;font:10px monospace;letter-spacing:1px;background:var(--lime);padding:4px 6px;margin:2px 0 0 4px}.header nav{display:flex;gap:30px;font-size:13px}.header nav a:hover,.text-link:hover{text-decoration:underline;text-underline-offset:6px}.header-download{font-size:13px;border-bottom:1px solid var(--ink);padding:12px 0;display:flex;gap:40px}.hero{display:grid;grid-template-columns:1fr 1.06fr;min-height:670px;align-items:center;gap:20px}.hero-copy{padding:56px 0 60px}.eyebrow{font:11px/1.6 'Consolas',monospace;letter-spacing:1.5px;margin:0 0 28px;display:flex;align-items:center;gap:9px}.status-dot{display:inline-block;width:6px;height:6px;background:#60813a;border-radius:50%;flex:none}h1{font-size:clamp(75px,8.4vw,132px);line-height:.98;font-weight:500;letter-spacing:-8px;margin:34px 0 28px}em{font-style:normal;color:#657d46}.lead{font-size:20px;line-height:1.55;color:var(--muted);margin:0 0 34px}.hero-actions{display:flex;align-items:center;gap:28px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;border:0;border-radius:3px;padding:19px 24px;font-size:14px;min-height:54px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.dark{background:var(--ink);color:var(--white)}.dark:hover{background:#394a2d}.light{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.text-link{font-size:13px;display:inline-flex;gap:22px}.micro{font:11px/1.7 'Consolas',monospace;color:var(--muted)}.hero .micro{margin-top:20px}.micro span{margin:0 9px}.art{position:relative;min-width:0;height:560px;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 55%,#e0e3d5 0,transparent 68%)}.sculpture{width:112%;max-width:none;filter:drop-shadow(0 35px 24px #26351a22)}.art-caption{position:absolute;font:9px 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b{font-size:22px;color:#7b896c;font-weight:400}.section{padding-top:104px;padding-bottom:104px}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:0 60px;align-items:end;margin-bottom:50px}.section-heading .eyebrow{grid-column:1/-1}.section-heading h2{margin:0}.section-heading>p:last-child{max-width:380px;justify-self:end;font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 4px}h2{font-size:clamp(36px,4.1vw,60px);font-weight:400;line-height:1.08;letter-spacing:-2.5px}h3{font-size:22px;font-weight:500;letter-spacing:-.5px;line-height:1.25}.feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px}.feature-visual{background:#e2e6d8;padding:22px 28px;min-width:0}.visual-bar{display:flex;justify-content:space-between;font:10px monospace;letter-spacing:1px;color:var(--muted)}.visual-stage{height:285px;position:relative;display:grid;place-items:center;overflow:hidden}.ground-grid{position:absolute;inset:80px -100px -50px;background-image:linear-gradient(#9aa58b40 1px,transparent 1px),linear-gradient(90deg,#9aa58b40 1px,transparent 1px);background-size:30px 30px;transform:perspective(250px) rotateX(55deg)}.demo-cube{width:125px;height:125px;position:relative;transform-style:preserve-3d;transform:rotateX(-24deg) rotateY(-32deg);transition:transform .8s}.demo-cube i,.demo-cube b,.demo-cube span{position:absolute;width:125px;height:125px;border:1px solid #4e653d;background:#a9ba8c}.demo-cube i{transform:translateZ(62px);background:#9bae7d}.demo-cube b{transform:rotateY(90deg) translateZ(62px);background:#788c5f}.demo-cube span{transform:rotateX(90deg) translateZ(62px);background:#c6d6ae}.axis-label{position:absolute;top:30px;left:20px;font:10px monospace;color:var(--muted)}.measure{position:absolute;bottom:15px;font:9px monospace;letter-spacing:1px}.feature-visual>p{font-size:14px;line-height:1.6;min-height:44px;margin-bottom:8px}.feature{width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:26px 1fr 20px;gap:12px;background:transparent;padding:25px 10px;transition:background .2s}.feature:first-child{border-top:1px solid var(--line)}.feature.active{background:#e1e7d5}.feature-num{font:11px monospace;color:var(--muted);padding-top:5px}.feature strong{font-size:21px;font-weight:500;letter-spacing:-.5px}.feature small{display:block;color:var(--muted);font-size:13px;line-height:1.65;margin-top:12px;max-width:360px}.feature b{font-weight:400;color:#6d8058}.section-footnote{font-size:12px;line-height:1.7;color:var(--muted);max-width:750px;margin-top:26px}.start-section{background:#20291f;color:#f1f3e9}.start-section .eyebrow,.start-section .micro{color:#b8c4a8}.start-section .section-heading>p:last-child{color:#b9c3b0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:58px 0 90px}.steps article{border-top:1px solid #56634c;padding-top:24px}.step-number{font:12px monospace;color:var(--lime)}.steps h3{margin-top:32px}.steps p,.teacher p{font-size:14px;line-height:1.8;color:#bec8b6}.steps a{font-size:12px;border-bottom:1px solid #93a67e;padding-bottom:6px;display:inline-block;margin-top:12px}.teacher{border-top:1px solid #56634c;padding-top:58px;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.teacher h3{font-size:34px;margin:16px 0}.teacher>div>p{max-width:420px}.teacher .text-link{color:var(--lime);margin-top:18px}.prompt-card{padding:30px;background:#2c3629;border:1px solid #56634c}.prompt-card #teacher-prompt{color:#eef3e4;font-size:19px;line-height:1.6;margin:28px 0}.prompt-card .button{font-size:12px;padding:14px 18px;min-height:46px}.prompt-card p.micro{margin-bottom:0;font-size:10px;line-height:1.7}.download-main{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.download-main h2{font-size:clamp(65px,7.5vw,110px);letter-spacing:-5px;margin:0}.download-card{background:var(--white);border:1px solid var(--line);padding:32px;min-width:0}.download-title{display:flex;gap:14px;align-items:center}.download-title>span{font-size:23px;font-weight:600}.download-title small{display:block;font:10px monospace;margin-top:8px;color:var(--muted)}.download-title .download-arrow{margin-left:auto;font-size:37px;font-weight:400}.download-card>p{font-size:14px;line-height:1.7;color:var(--muted);margin:28px 0}.full{width:100%}.download-meta{display:flex;justify-content:space-between;gap:12px;font:10px/1.6 monospace;color:var(--muted);margin:14px 0 26px}.download-card details{font-size:12px;border-top:1px solid var(--line);padding-top:18px;line-height:1.7}.download-card details code{display:block;overflow-wrap:anywhere;font-size:10px;margin-bottom:12px}.download-card details a{text-decoration:underline}.feedback-section{background:#dce4d0}.feedback-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.report-tips{padding-left:20px;font-size:14px;line-height:1.7}.report-tips li{padding:6px 0}.muted{font-size:12px;line-height:1.7;color:var(--muted);max-width:340px}#feedback-contact{display:inline-block;margin-top:20px;text-decoration:underline}label{display:block;font-size:12px;margin-bottom:8px}input,select,textarea{display:block;width:100%;background:#f3f6ed;color:var(--ink);border:1px solid #b9c6ab;border-radius:3px;padding:13px 14px;font-size:13px;margin-bottom:20px;min-width:0}textarea{resize:vertical;line-height:1.6}input::placeholder,textarea::placeholder{color:#73806b}.form-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px}.form-bottom label{max-width:140px;margin:0}.form-bottom input{margin:8px 0 0}.form-bottom .button{align-self:end}.feedback-layout form>.micro{margin-top:18px}#report-result{margin-top:25px;border-top:1px solid #b9c6ab;padding-top:22px}#report-result textarea{font-family:Consolas,monospace}.faq{max-width:1000px}.faq h2{margin:0 0 40px}.faq details{border-bottom:1px solid var(--line);padding:24px 0}.faq details:first-of-type{border-top:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding-right:30px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:0}details[open]>summary:after{content:'−'}.faq summary{font-size:17px}.faq details p{font-size:14px;line-height:1.8;max-width:760px;color:var(--muted);margin:18px 0 0}.footer{padding-top:32px;padding-bottom:30px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:25px}.footer>span{font-size:13px;color:var(--muted)}.footer>a:nth-of-type(2){margin-left:auto;font-size:12px}.footer small{flex-basis:100%;font:10px monospace;color:var(--muted);margin-top:16px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 22px;font-size:13px;border-radius:4px;z-index:20;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw}#toast.show{opacity:1}.skip{position:fixed;top:-70px;background:var(--ink);color:white;padding:15px;z-index:30}.skip:focus{top:10px}[hidden]{display:none!important}.feature-visual[data-mode=material] .demo-cube i{background:linear-gradient(135deg,#d4bb7c,#8c743c)}.feature-visual[data-mode=material] .demo-cube b{background:#7b642f}.feature-visual[data-mode=material] .demo-cube span{background:#e1cf9a}.feature-visual[data-mode=motion] .demo-cube{transform:rotateX(-24deg) rotateY(35deg) translateY(-15px)}.feature-visual[data-mode=simulation] .demo-cube{transform:scale(.7) rotateX(-24deg) rotateY(-32deg) translateY(-30px);filter:drop-shadow(75px 30px 0 #73845a)}
@media(min-width:1600px){.hero{min-height:750px}.art{height:650px}}@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.header nav{gap:18px}.hero{min-height:590px}h1{letter-spacing:-5px}.art{height:450px}.feature-layout{gap:30px}.feature{padding:21px 8px}.feature strong{font-size:19px}.teacher{gap:36px}.download-main{gap:45px}.feedback-layout{gap:40px}.art-label{left:0;font-size:10px}.steps{gap:25px}}@media(max-width:700px){.wrap{width:calc(100% - 36px)}.header{height:78px}.brand{font-size:18px;gap:6px}.brand img{width:26px;height:26px}.header nav{display:none}.header-download{gap:18px}.beta{font-size:8px}.hero{grid-template-columns:1fr;gap:0}.hero-copy{padding:45px 0 15px}h1{font-size:91px;letter-spacing:-6px;margin-top:25px}.eyebrow{font-size:9px;letter-spacing:1.1px;margin-bottom:22px}.lead{font-size:18px}.hero-actions{gap:22px}.button{padding:17px 20px;font-size:13px;gap:18px}.hero .micro{font-size:9px}.art{height:370px;margin:0 -6px 16px}.sculpture{width:100%;height:100%}.art-caption{font-size:8px;left:8px}.top{top:2px}.art-label{bottom:43px;left:8px}.art-axis{bottom:35px}.ribbon>div{gap:12px;padding:20px 0;font-size:8px;letter-spacing:.7px}.ribbon b{font-size:17px}.ribbon span:last-child,.ribbon b:last-of-type{display:none}.section{padding-top:65px;padding-bottom:65px}.section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:32px}.section-heading .eyebrow{margin-bottom:0}.section-heading>p:last-child{justify-self:start;font-size:14px}.section-heading h2,h2{font-size:40px;letter-spacing:-1.7px}.feature-layout,.teacher,.download-main,.feedback-layout{grid-template-columns:1fr;gap:32px}.visual-stage{height:230px}.feature-visual{padding:20px}.feature-visual>p{min-height:0}.feature{padding:22px 8px}.feature strong{font-size:20px}.feature small{font-size:13px}.steps{grid-template-columns:1fr;gap:30px;margin:35px 0 55px}.steps h3{margin:15px 0}.steps p{margin:10px 0}.steps a{margin-top:4px}.teacher{padding-top:35px}.teacher h3{font-size:30px}.prompt-card{padding:24px}.prompt-card #teacher-prompt{font-size:18px}.download-main h2{font-size:75px;letter-spacing:-4px}.download-card{padding:23px}.download-title>span{font-size:22px}.download-title small{font-size:9px}.download-meta{font-size:9px}.form-bottom{gap:15px}.form-bottom .button{font-size:12px}.faq summary{font-size:16px;line-height:1.5}.footer{gap:18px}.footer>span{font-size:11px}.footer small{margin-top:4px}}
@media(max-width:700px){h1{font-size:clamp(68px,23vw,91px)}.download-main h2{font-size:clamp(58px,19vw,75px)}.hero-actions,.form-bottom{flex-wrap:wrap}.header{gap:12px}}@media(max-width:360px){.beta{display:none}.brand{font-size:16px}.form-bottom label{max-width:100px}.form-bottom .button{gap:12px;padding:17px 14px}.art-label{font-size:9px}}
.guide{max-width:960px}.guide h1{font-size:clamp(54px,7vw,95px);letter-spacing:-4px}.guide-index{display:flex;flex-wrap:wrap;gap:14px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;margin:40px 0;font-size:13px}.guide section{padding:35px 0;border-bottom:1px solid var(--line)}.guide section h2{font-size:32px;letter-spacing:-1px}.guide section p,.guide section li{font-size:16px;line-height:1.85}.guide section li{padding:6px 0}.guide section a{text-decoration:underline;text-underline-offset:3px}.guide ol{padding-left:23px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.legal{max-width:960px}.legal h1{font-size:clamp(38px,5.5vw,76px);letter-spacing:-2px;overflow-wrap:anywhere}.legal p{line-height:1.8;overflow-wrap:anywhere}.legal section{padding:25px 0;border-top:1px solid var(--line)}.legal a,.download-conditions a{text-decoration:underline;text-underline-offset:3px}.legal>.text-link{margin-bottom:40px}.download-conditions{margin:22px 0;max-width:440px}.download-conditions label{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.6}.download-conditions input{width:19px;height:19px;flex:none;accent-color:#537734;margin-top:2px}.download-conditions p{font-size:12px;line-height:1.7}.button[aria-disabled=true]{opacity:.55}.footer nav{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:600px){.legal h1{letter-spacing:-1px}.footer nav{font-size:12px;gap:14px}}
@media print{.header,.footer,.legal>.text-link{display:none}.legal{width:100%;padding:0}.legal h1{font-size:30px}.legal section{break-inside:avoid}body{background:white;color:black}}

.mac-download{border-top:1px solid var(--line,#b8bdb0);margin-top:24px;padding-top:24px}.download-note{font-size:12px;line-height:1.6}.file-hash{display:block;overflow-wrap:anywhere;word-break:break-all;font-size:11px}

/* legal-footer-v2 */
.footer nav{flex:1 1 560px;min-width:0;line-height:1.7;column-gap:20px;row-gap:10px}.footer nav a{overflow-wrap:anywhere}.footer small{line-height:1.8;overflow-wrap:anywhere}@media(max-width:600px){.footer nav{flex-basis:100%;gap:10px 16px}}