:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fbfbf9;--surface:#f3f3ef;--surface-2:#eaeae4;--card:#fff;--line:#e5e5df;--line-strong:#cfcfc7;--ink:#1b2228;--ink-2:#55606b;--ink-3:#8a939c;--accent:#2d5f8a;--accent-hover:#24507a;--accent-soft:#e8eff6;--accent-line:#bfd2e3;--rust:#b9562b;--rust-soft:#f8ebe4;--good:#2e7d4f;--warn:#a86a12;--warn-soft:#fbf3e3;--bad:#b3413a;--bad-soft:#fbedec;--n-topic:#2f6ba8;--n-entity:#c2611f;--n-goal:#2e9e6a;--n-expertise:#b0306a;--n-style:#7b8590;--sans:"Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--serif:"Instrument Serif", Georgia, "Times New Roman", serif;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--shadow-1:0 1px 2px #1b22280d;--shadow-2:0 10px 28px -14px #1b222838, 0 1px 2px #1b22280d;--shadow-3:0 24px 60px -24px #1b222859, 0 2px 6px #1b222814}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.55}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.wordmark{font-family:var(--serif);letter-spacing:-.005em;color:var(--ink);font-style:italic}.logomark{background:var(--accent);border-radius:8px;flex:none;place-items:center;width:28px;height:28px;display:inline-grid}.topnav{justify-content:space-between;align-items:center;height:64px;display:flex}.topnav .brand{align-items:center;gap:9px;text-decoration:none;display:flex}.topnav .brand .wordmark{font-size:24px}.topnav .links{align-items:center;gap:6px;display:flex}.btn{border:1px solid 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18px;font-size:58px;font-weight:400;line-height:1.05}.hero h1 em{color:var(--accent);font-style:italic}.hero p.lede{color:var(--ink-2);max-width:54ch;margin:0 0 26px;font-size:18px}.hero .cta{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.hero .fine{color:var(--ink-3);margin-top:12px;font-size:13px}.demo{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-2);border-radius:20px;padding:18px}.demo .q{letter-spacing:-.01em;margin:0 0 10px;font-size:20px;font-weight:500}.demo .srcs{grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px;display:grid}.demo .src{background:var(--surface);color:var(--ink-2);border-radius:10px;padding:8px 10px;font-size:12px;line-height:1.3}.demo .src b{color:var(--ink);margin-bottom:2px;font-weight:500;display:block}.demo .ans{color:var(--ink);font-size:14px;line-height:1.6}.cite{background:var(--surface);border:1px solid var(--line);min-width:18px;height:18px;font:600 11px/1 var(--mono);color:var(--ink-2);vertical-align:2px;border-radius:6px;justify-content:center;align-items:center;margin:0 1px 0 2px;padding:0 5px;display:inline-flex}.demo .learned{background:var(--surface);color:var(--ink-2);border-radius:12px;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;padding:10px 12px;font-size:12.5px;display:flex}.demo .learned b{color:var(--ink);align-items:center;gap:6px;font-weight:600;display:inline-flex}.nchip{background:var(--card);border:1px solid var(--line);height:24px;color:var(--ink);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:0 9px 0 7px;font-size:12px;display:inline-flex}.nchip .dot{border-radius:50%;width:8px;height:8px}.nchip .dot.square{border-radius:2px}.nchip .dot.diamond{border-radius:2px;transform:rotate(45deg)scale(.85)}.nchip .dot.hex{clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);border-radius:0}.section{border-top:1px solid var(--line);padding:56px 0}.section h2{letter-spacing:-.02em;text-wrap:balance;margin:0 0 10px;font-size:30px;font-weight:600}.section .sub{color:var(--ink-2);max-width:62ch;margin:0 0 28px;font-size:16px}.steps{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.step{border:1px solid var(--line);background:var(--card);border-radius:16px;padding:20px}.step .k{font:600 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.step h3{margin:0 0 6px;font-size:17px;font-weight:600}.step p{color:var(--ink-2);margin:0;font-size:14px}.loop{grid-template-columns:1fr 1fr;align-items:center;gap:40px;display:grid}.loop p{color:var(--ink-2);font-size:16px}.loop .big{font-family:var(--serif);color:var(--ink);letter-spacing:-.01em;margin:0 0 14px;font-size:30px;line-height:1.25}.diff{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.diff .row{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:16px 18px}.diff .row b{margin-bottom:4px;display:block}.diff .row span{color:var(--ink-2);font-size:14px}.plans{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:16px;display:grid}.plan{border:1px solid var(--line);background:var(--card);border-radius:18px;flex-direction:column;gap:12px;padding:22px;display:flex}.plan.hot{border-color:var(--accent-line);box-shadow:0 0 0 4px var(--accent-soft), var(--shadow-2)}.plan .name{align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.plan .tag{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border-radius:5px;padding:2px 6px;font-size:11px;font-weight:600}.plan .price{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:38px;font-weight:600;line-height:1}.plan .price small{color:var(--ink-3);letter-spacing:0;margin-left:4px;font-size:14px;font-weight:500}.plan .blurb{color:var(--ink-2);margin:0;font-size:14px}.plan ul{flex-direction:column;gap:7px;margin:4px 0 0;padding:0;font-size:14px;list-style:none;display:flex}.plan li{align-items:flex-start;gap:8px;display:flex}.plan li:before{content:"";background:var(--accent);border-radius:50%;flex:none;width:6px;height:6px;margin-top:8px}.plan .buy{margin-top:auto;padding-top:8px}.paypal-slot{min-height:46px}.note{color:var(--ink-3);font-size:13px}.notice{background:var(--warn-soft);color:#6e4a0f;border-radius:12px;align-items:flex-start;gap:10px;padding:10px 14px;font-size:13.5px;line-height:1.45;display:flex}.notice.info{background:var(--accent-soft);color:#234a6a}.notice.good{color:#1f5a38;background:#e6f3ea}.cards{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.card{border:1px solid var(--line);background:var(--card);border-radius:16px;padding:20px}.card h3{margin:0 0 4px;font-size:16px;font-weight:600}.card p{color:var(--ink-2);margin:0 0 12px;font-size:14px}.stat{flex-direction:column;gap:2px;display:flex}.stat b{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:24px;font-weight:600}.stat span{color:var(--ink-3);font-size:12px}.stats{flex-wrap:wrap;gap:26px;margin-bottom:12px;display:flex}.pill{background:var(--surface);color:var(--ink-2);border-radius:999px;align-items:center;gap:6px;padding:2px 9px;font-size:12.5px;font-weight:500;display:inline-flex}.pill.on{color:var(--good);background:#e6f3ea}.pill.off{background:var(--bad-soft);color:var(--bad)}.prose{max-width:70ch}.prose h1{letter-spacing:-.02em;margin:40px 0 8px;font-size:34px}.prose h2{margin:28px 0 6px;font-size:20px}.prose p{color:var(--ink-2)}footer{border-top:1px solid var(--line);color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;gap:16px;padding:28px 0 40px;font-size:13px;display:flex}footer a{color:var(--ink-2)}@media (max-width:860px){.hero{grid-template-columns:1fr;padding:48px 0 32px}.hero h1{font-size:42px}.steps,.plans,.cards,.diff,.loop,.demo .srcs{grid-template-columns:1fr}.topnav .links 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