:root{--paper:#f5f4ef;--ink:#172320;--muted:#67736d;--line:#d9ded6;--green:#d4f35b;--purple:#d7d0ff;--white:#fffefa;--mono:"DM Mono",monospace;--sans:"DM Sans",sans-serif;--display:"Manrope",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}.shell{max-width:1380px;margin:0 auto;padding:0 58px}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font:500 10px var(--mono);letter-spacing:.08em}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand b{font-weight:500;color:#718079}.brand-mark{width:21px;height:20px;display:flex;align-items:flex-end;gap:3px;transform:skewY(-28deg)}.brand-mark i{display:block;width:4px;background:var(--ink);border-radius:2px}.brand-mark i:nth-child(1){height:11px}.brand-mark i:nth-child(2){height:17px}.brand-mark i:nth-child(3){height:14px}.topbar-right{display:flex;align-items:center;gap:9px;color:var(--muted)}.status-dot{width:7px;height:7px;border-radius:50%;background:#83a834;box-shadow:0 0 0 3px #e3ecc9}.hero{padding:68px 0 56px;border-bottom:1px solid var(--line)}.eyebrow,.section-index,.section-note,.panel-kicker,.type-pill,.hero-stamp,.code-top,.panel-foot,.variation-card .panel-kicker,footer,.run-link small{font:500 10px var(--mono);letter-spacing:.08em}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--muted)}.eyebrow-rule{width:42px;height:1px;background:#9eaaa1}.hero h1{font:500 clamp(58px,8vw,106px)/.96 var(--display);letter-spacing:-.075em;margin:25px 0 27px}.hero h1 em,.method h2 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.07em;color:#66776c}.hero-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:30px}.hero-bottom>p{max-width:465px;margin:0;font-size:16px;line-height:1.65;color:#45534c}.hero-stamp{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.hero-stamp span{border:1px solid var(--line);border-radius:2px;padding:8px 10px;color:#69766e;font-size:9px}.experiment{padding:48px 0 55px;border-bottom:1px solid var(--line)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:23px}.section-index{color:#718078}.section-heading h2,.method h2{font:600 26px/1.25 var(--display);letter-spacing:-.045em;margin:9px 0 0}.section-note{color:#929d95;font-size:9px}.scenario-tabs{display:flex;gap:8px;overflow-x:auto;padding:1px 1px 16px;scrollbar-width:thin}.scenario-tab{flex:0 0 auto;border:1px solid var(--line);background:transparent;color:#536058;border-radius:3px;padding:11px 14px;font:500 12px var(--sans);cursor:pointer;transition:.18s}.scenario-tab:hover{border-color:#7f8b82;color:var(--ink)}.scenario-tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:var(--white)}.workbench{display:grid;grid-template-columns:1fr 1fr;gap:14px}.work-panel{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:4px;padding:21px 22px 15px;box-shadow:0 2px 10px #243a2710}.panel-head{display:flex;justify-content:space-between;align-items:center}.panel-kicker{font-size:9px;color:#819087}.panel-head h3{font:600 20px var(--display);letter-spacing:-.04em;margin:7px 0 0}.type-pill{padding:6px 8px;border:1px solid var(--line);border-radius:2px;font-size:9px;color:#607067}.type-pill.purple{background:#f0edff;border-color:#e3defe;color:#7165aa}.panel-help{font-size:12px;line-height:1.55;color:var(--muted);margin:12px 0 13px;min-height:38px}.state-panel textarea{display:block;width:100%;height:273px;resize:vertical;background:#fbfaf6;border:1px solid #e4e7e0;border-radius:2px;padding:15px;color:#26332d;font:13px/1.75 var(--mono);outline:none}.state-panel textarea:focus{border-color:#93a18f;box-shadow:0 0 0 3px #d4f35b44}.panel-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#8a958e;font-size:9px;margin-top:12px}.copy-button{display:inline-flex;align-items:center;gap:7px;padding:9px 11px;border:1px solid #cfd6cc;border-radius:3px;background:var(--white);font:600 11px var(--sans);color:var(--ink);cursor:pointer;transition:.18s}.copy-button:hover{background:var(--green);border-color:var(--green)}.copy-button span{font-size:14px}.code-window{height:273px;border-radius:3px;overflow:hidden;background:#1c2925;color:#dbe5dc}.code-top{height:34px;border-bottom:1px solid #36433e;display:flex;align-items:center;gap:7px;padding:0 12px;color:#889a8e;font-size:9px}.code-top>span:first-child{display:flex;gap:4px;margin-right:6px}.code-top i{width:6px;height:6px;background:#52645a;border-radius:50%}.code-top span:last-child{margin-left:auto;color:#6d7e73}.code-window pre{height:calc(100% - 34px);overflow:auto;margin:0;padding:16px 17px;font:11px/1.65 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;scrollbar-color:#56655d #1c2925}.code-window code{color:#dbe5dc}.experiment-bottom{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.variation-card{min-height:82px;display:flex;align-items:center;gap:14px;background:#e9eee5;border:1px solid #dbe3d8;padding:14px 18px;border-radius:3px}.variation-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--green);font:20px var(--sans)}.variation-card p{margin:5px 0 0;color:#44534a;font-size:12px;line-height:1.5}.run-link{min-height:82px;display:flex;align-items:center;justify-content:space-between;padding:13px 19px;background:var(--green);border:1px solid #c4e249;border-radius:3px;color:var(--ink);text-decoration:none;transition:.18s}.run-link:hover{background:#c9ed46;transform:translateY(-1px)}.run-link small{display:block;font-size:9px;color:#4d5b43;margin-bottom:5px}.run-link b{font:700 15px var(--display);letter-spacing:-.02em}.run-link b span{font:400 14px var(--sans)}.run-arrow{font-size:21px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,12px);padding:11px 15px;background:var(--ink);color:white;border-radius:3px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:4}.toast.show{opacity:1;transform:translate(-50%,0)}.method{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;padding:49px 0}.method h2{font-size:29px;margin-top:13px}.method h2 em{font-size:31px}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.steps li{border-top:1px solid #bfc9c0;padding-top:15px}.step-number{font:10px var(--mono);color:#86958b}.steps b{display:block;font:600 13px var(--display);margin:10px 0 7px}.steps p{font-size:12px;line-height:1.6;color:#68756d;margin:0}.steps strong{font-weight:600;color:#39473f}.boundary-note{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:13px;border-top:1px solid var(--line);padding:20px 0 27px}.boundary-mark{display:grid;place-items:center;width:22px;height:22px;border:1px solid #c4cdc4;border-radius:50%;font:italic 14px Georgia;color:#66766c}.boundary-note p{font-size:11px;line-height:1.65;color:#68756d;margin:0;max-width:760px}.boundary-note p b{color:var(--ink)}.boundary-note a{font-size:11px;color:#33443a;text-decoration:none;white-space:nowrap;border-bottom:1px solid #aab7ad;padding-bottom:3px}footer{height:57px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:#839087;font-size:9px}footer a{color:#526259;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0} @media(max-width:920px){.shell{padding:0 28px}.hero{padding:53px 0 43px}.workbench{grid-template-columns:1fr}.state-panel textarea,.code-window{height:230px}.method{grid-template-columns:1fr;gap:25px}.method-title br{display:none}}@media(max-width:600px){.shell{padding:0 17px}.topbar{height:62px}.topbar-right{font-size:8px;gap:7px}.hero{padding:42px 0 35px}.hero h1{font-size:64px}.hero-bottom{display:block}.hero-bottom>p{font-size:14px}.hero-stamp{justify-content:flex-start;margin-top:19px}.hero-stamp span{font-size:8px;padding:7px}.section-heading{display:block}.section-heading h2{font-size:22px}.section-note{display:block;margin-top:10px}.experiment{padding:36px 0 39px}.work-panel{padding:17px 15px 13px}.panel-head h3{font-size:18px}.panel-help{min-height:0}.state-panel textarea,.code-window{height:240px}.experiment-bottom{grid-template-columns:1fr}.variation-card,.run-link{min-height:73px}.method{padding:39px 0;gap:21px}.method h2{font-size:26px}.steps{grid-template-columns:1fr;gap:20px}.steps li{display:grid;grid-template-columns:38px 1fr;padding-top:12px}.steps b{margin-top:0}.boundary-note{grid-template-columns:25px 1fr;align-items:start}.boundary-note a{grid-column:2;justify-self:start;margin-top:2px}footer{height:auto;min-height:62px;gap:9px;flex-wrap:wrap;padding:13px 0;font-size:8px}footer span:nth-child(2){display:none}}