:root{--bg: #0f2740;--bg2: #133150;--bg3: #1a3b5e;--ink: #e9eef3;--muted: #a9bccd;--faint: #8ea4b9;--line: #34587d;--grid: rgba(233, 238, 243, .06);--blue: #8fd0f0;--teal: #7fd6bc;--yellow: #f2c14e;--red: #ff8f78;--brown: #c9a27e;--mark: #ff8f78;--focus: #f2c14e;--serif: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;--sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;--r: 3px;--header-h: 56px;color-scheme:dark}:root[data-theme=light]{--bg: #f2f4f1;--bg2: #e8ece8;--bg3: #dde3de;--ink: #14212d;--muted: #4a5866;--faint: #5d6a76;--line: #b9c4cb;--grid: rgba(31, 78, 121, .07);--blue: #1f4e79;--teal: #1f6b5a;--yellow: #8a5a00;--red: #b3261e;--brown: #7a5f48;--mark: #b3261e;--focus: #1f4e79;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 8px)}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:var(--blue);text-underline-offset:3px}a:hover{color:var(--ink)}:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}.skip{position:absolute;left:-9999px;top:8px;background:var(--bg2);color:var(--ink);padding:8px 12px;z-index:100}.skip:focus{left:16px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:var(--muted)}.wrap{max-width:1120px;margin:0 auto;padding:0 24px}h1,h2,h3{font-family:var(--sans);font-weight:650;font-stretch:78%;line-height:1.05;letter-spacing:-.01em;margin:0}.kicker{font-size:.92rem;font-weight:500;color:var(--muted);margin:0}.sec-head{display:flex;flex-direction:column;gap:10px;margin-bottom:32px;max-width:40rem}.sec-head h2{font-size:clamp(1.8rem,4vw,2.6rem)}.sec-head p{margin:0;color:var(--muted);max-width:60ch}section.block{padding:96px 0;border-top:1px solid var(--line)}.prose{max-width:62ch}.prose p{margin:0;font-size:1.15rem;line-height:1.6}@media(max-width:560px){body{font-size:16px}.wrap{padding:0 16px}section.block{padding:64px 0}}header.site{position:sticky;top:0;z-index:50;height:var(--header-h);background:color-mix(in srgb,var(--bg) 92%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}header.site .wrap{height:100%;display:flex;align-items:center;gap:12px}.brand{font-weight:700;font-stretch:78%;font-size:1.25rem;color:var(--ink);text-decoration:none;white-space:nowrap;display:inline-flex;align-items:center;min-height:44px}.brand em{font-style:normal}.brand .short{display:none}nav.primary{margin-left:auto}nav.primary ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}nav.primary a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--muted);text-decoration:none;font-size:.92rem;white-space:nowrap;border-bottom:2px solid transparent}nav.primary a:hover{color:var(--ink)}nav.primary a[aria-current]{color:var(--ink);border-bottom-color:var(--mark)}.btn{font:inherit;font-size:.9rem;color:var(--ink);background:transparent;border:1px solid var(--line);min-height:44px;padding:0 16px;border-radius:var(--r);display:inline-flex;align-items:center;gap:8px;cursor:pointer;text-decoration:none}.btn:hover{border-color:var(--blue);color:var(--ink)}.btn[aria-pressed=true]{border-color:var(--yellow);color:var(--yellow)}.btn.solid{background:var(--blue);color:var(--bg);border-color:var(--blue);font-weight:600}.btn.solid:hover{background:var(--ink);border-color:var(--ink);color:var(--bg)}.btn svg{width:16px;height:16px;flex:none}.theme-btn{flex:none}@media(max-width:600px){.brand .full{display:none}.brand .short{display:inline}nav.primary a{padding:0 8px;font-size:.88rem}.theme-btn{padding:0;width:44px;justify-content:center}.theme-btn .lbl{display:none}}.hero{padding:88px 0 64px}.hero h1{font-size:clamp(3.4rem,12vw,7.5rem);font-weight:750;font-stretch:68%;letter-spacing:-.02em;line-height:.92;margin:0 0 22px}.hero h1 em{font-style:normal}.lede{font-size:clamp(1.2rem,2.4vw,1.5rem);line-height:1.4;max-width:36ch;margin:0;color:var(--ink)}@media(max-width:560px){.hero{padding:48px 0 40px}}.sheet{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;border-bottom:1px solid var(--line)}.titleblock{margin:48px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1.5px solid var(--ink);background:var(--bg)}.titleblock div{padding:12px 14px 14px;border-left:1px solid var(--line);display:flex;flex-direction:column-reverse;justify-content:flex-end;gap:4px;min-width:0}.titleblock div:first-child{border-left:0}.titleblock dt{font-size:.82rem;color:var(--muted);line-height:1.3}.titleblock dd{margin:0;font-weight:650;font-stretch:78%;font-size:1.5rem;line-height:1.1;color:var(--ink);overflow-wrap:anywhere}.titleblock div:nth-child(-n+3) dd{color:var(--mark)}.titleblock dd a{color:inherit}.index{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--ink)}.index li{position:relative;display:grid;grid-template-columns:3rem minmax(0,1fr) minmax(0,14rem);gap:24px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}.index li:hover{background:var(--bg2)}.idx-sheet{font-weight:600;font-stretch:78%;font-size:1.1rem;color:var(--muted);padding-top:6px}.idx-main{display:flex;flex-direction:column;gap:6px}.idx-main h3{font-size:clamp(1.7rem,3.4vw,2.3rem)}.idx-main h3 a{color:var(--ink);text-decoration:none}.idx-main h3 a:after{content:"";position:absolute;inset:0}.idx-main h3 a:focus-visible{outline:none}.index li:has(h3 a:focus-visible){outline:2px solid var(--focus);outline-offset:2px}.index li:hover h3 a{text-decoration:underline;text-decoration-thickness:2px}.idx-main p{margin:0;color:var(--muted);max-width:56ch}.idx-main .idx-domain{color:var(--blue);font-size:.92rem}.idx-metric{margin:0;padding-top:8px;display:flex;flex-direction:column;gap:2px;text-align:right}.idx-metric b{font-weight:650;font-stretch:78%;font-size:1.6rem;color:var(--mark);line-height:1.1}.idx-metric span{font-size:.85rem;color:var(--muted)}@media(max-width:860px){.titleblock{grid-template-columns:repeat(2,minmax(0,1fr))}.titleblock div{border-left:0;border-top:1px solid var(--line)}.titleblock div:nth-child(-n+2){border-top:0}.titleblock div:nth-child(2n){border-left:1px solid var(--line)}.titleblock div:last-child:nth-child(odd){grid-column:1 / -1}}@media(max-width:720px){.index li{grid-template-columns:2rem minmax(0,1fr);gap:4px 12px;padding:20px 0}.idx-metric{grid-column:2;text-align:left;flex-direction:row;align-items:baseline;gap:8px;padding-top:6px}.idx-metric b{font-size:1.3rem}.idx-sheet{padding-top:4px}}.ideas{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}.ideas li{border-top:1.5px solid var(--ink);padding:18px 0 32px;display:flex;flex-direction:column;gap:10px}.ideas h3{font-size:1.6rem}.ideas p{margin:0;color:var(--muted);max-width:52ch}.ideas a{margin-top:auto;display:inline-flex;align-items:center;min-height:44px}.base-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;max-width:48rem}.base-list li{display:grid;grid-template-columns:minmax(0,16rem) minmax(0,1fr);gap:24px;padding:18px 0;border-top:1px solid var(--line)}.base-list h3{font-size:1.2rem;font-stretch:85%}.base-list p{margin:0;color:var(--muted)}@media(max-width:720px){.ideas{grid-template-columns:minmax(0,1fr)}.ideas li{padding-bottom:20px}.base-list li{grid-template-columns:minmax(0,1fr);gap:6px}}.links2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.lcard{display:flex;flex-direction:column;gap:6px;min-height:44px;padding:24px 28px;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}.lcard:hover{border-color:var(--blue);color:var(--ink)}.lcard b{font-family:var(--serif);font-weight:400;font-size:1.5rem}.lcard span{color:var(--muted);font-size:.95rem}@media(max-width:560px){.links2{grid-template-columns:minmax(0,1fr);gap:12px}.lcard{padding:18px 20px}}.crumb{padding-top:28px}.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;list-style:none;margin:0;padding:0;font-size:.9rem;color:var(--muted)}.crumb li{display:inline-flex;align-items:center;min-height:44px}.crumb li+li:before{content:"/";margin-right:6px;color:var(--faint)}.crumb a{color:var(--muted);display:inline-flex;min-height:44px;align-items:center}.crumb a:hover{color:var(--ink)}.p-head{padding-top:24px;padding-bottom:72px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px;align-items:start}.p-head h1{font-size:clamp(2.6rem,8vw,4.6rem);letter-spacing:-.01em;margin:10px 0 20px}.p-head .prose p{color:var(--ink)}.tldr{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:16px}.tldr dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 16px;font-size:.95rem}.tldr dt{font-size:.85rem;color:var(--muted);padding-top:3px}.tldr dd{margin:0}.tldr .head-metric{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:2px}.tldr .head-metric b{font-weight:650;font-stretch:78%;font-size:2rem;color:var(--mark);line-height:1.1}.tldr .head-metric span{font-size:.85rem;color:var(--muted)}.chips{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}.chips li{font-family:var(--mono);font-size:.74rem;border:1px solid var(--line);border-radius:var(--r);padding:3px 10px;color:var(--muted)}.chips li[hidden]{display:none}.chip-more{font:inherit;font-family:var(--mono);font-size:.74rem;border:1px dashed var(--line);border-radius:var(--r);padding:3px 10px;color:var(--blue);background:transparent;cursor:pointer;min-height:28px}.chip-more:hover{border-color:var(--blue)}@media(max-width:860px){.p-head{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:48px}}.built{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;max-width:62ch}.built li{position:relative;padding-left:26px}.built li:before{content:"";position:absolute;left:0;top:.78em;width:12px;height:0;border-top:1.5px solid var(--blue)}details.more{margin-top:14px;max-width:62ch}details.more summary{cursor:pointer;min-height:44px;display:inline-flex;align-items:center;gap:10px;color:var(--blue);list-style:none}details.more summary::-webkit-details-marker{display:none}details.more summary:before{content:"";width:8px;height:8px;border-right:1.5px solid var(--blue);border-bottom:1.5px solid var(--blue);transform:rotate(-45deg);transition:transform .2s}details.more[open] summary:before{transform:rotate(45deg)}details.more .built{margin-top:8px}.results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:0;padding:0;max-width:820px}.results div{border-top:1px solid var(--line);padding-top:12px;min-width:0}.results dt{font-weight:650;font-stretch:78%;font-size:clamp(1.6rem,4vw,2.2rem);color:var(--mark);overflow-wrap:anywhere;line-height:1.15}.results dd{margin:4px 0 0;font-size:.88rem;color:var(--muted)}@media(max-width:480px){.results{grid-template-columns:minmax(0,1fr);gap:12px}}.lesson{max-width:46rem;border-left:3px solid var(--mark);padding:6px 0 6px 24px}.lesson p{margin:0;font-weight:500;font-size:clamp(1.25rem,2.6vw,1.6rem);line-height:1.4}.pn{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.pn a{display:flex;flex-direction:column;gap:4px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink);min-height:44px}.pn a:hover{border-color:var(--blue)}.pn a span{font-size:.85rem;color:var(--muted)}.pn a b{font-family:var(--serif);font-weight:400;font-size:1.4rem}.pn a.next{text-align:right;background:var(--blue);border-color:var(--blue);color:var(--bg)}.pn a.next span{color:var(--bg);opacity:.8}.pn a.next:hover{background:var(--ink);border-color:var(--ink)}.pn-back{margin-top:20px}.pn-back a{display:inline-flex;align-items:center;min-height:44px}@media(max-width:560px){.pn{grid-template-columns:minmax(0,1fr);gap:12px}.pn a.next{order:-1}}.essay{border-top:1px solid var(--line)}.essay-grid{max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px}.stage{position:sticky;top:var(--header-h);height:calc(100vh - var(--header-h));display:flex;flex-direction:column;justify-content:center;gap:10px}.stage canvas{display:block;margin:0 auto;width:min(100%,calc(100vh - var(--header-h) - 110px));aspect-ratio:1 / 1}.figcap{margin:0 auto;max-width:560px;text-align:center;font-family:var(--serif);color:var(--muted);font-size:.98rem;min-height:1.6em}.chapter{padding:10vh 0}.step{min-height:50vh;display:flex;flex-direction:column;justify-content:center;gap:14px;transition:opacity .4s}html.js .step{opacity:.55}html.js .step.is-active{opacity:1}.step h2{font-size:clamp(1.9rem,3.4vw,2.6rem)}.step p{font-family:var(--serif);font-size:1.25rem;line-height:1.5;margin:0;max-width:32ch}.step .num{color:var(--mark);font-weight:600}.step strong{font-weight:600;color:var(--blue)}@media(max-width:860px){.essay-grid{grid-template-columns:minmax(0,1fr);gap:0;padding:0 16px}.stage{top:var(--header-h);height:46vh;z-index:5;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 0}.stage canvas{width:100%;height:calc(46vh - 52px);aspect-ratio:auto}.figcap{font-size:.85rem}.chapter{padding:4vh 0 8vh}.step{min-height:46vh}.step p{font-size:1.12rem}}.vid{margin:0;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:32px;align-items:center}.vid-frame{position:relative;aspect-ratio:16 / 9;background:#0b0b0c;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}.vid-frame video{width:100%;height:100%;display:block;object-fit:cover}.vid-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px;text-align:center;color:#c9cacd}.vid-ph[hidden]{display:none}.vid-ph svg{width:64px;height:64px}.vid-ph .ph-ring{fill:none;stroke:#58c4dd;stroke-width:2;stroke-dasharray:150;stroke-dashoffset:150;animation:draw 3.2s ease-in-out infinite}.vid-ph .ph-axis{stroke:#3a3d44;stroke-width:1}.vid-ph p{margin:0;font-family:var(--serif);font-size:1rem}@keyframes draw{50%{stroke-dashoffset:0}to{stroke-dashoffset:-150}}.vid figcaption{display:flex;flex-direction:column;gap:10px}.vid h3{font-size:1.6rem}.vid ol{margin:0;padding-left:20px;color:var(--muted);display:flex;flex-direction:column;gap:4px}@media(max-width:860px){.vid{grid-template-columns:minmax(0,1fr);gap:18px}}.method{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}.lenses{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.lens-text{font-family:var(--serif);font-size:1.15rem;margin:0 0 20px;min-height:3em;max-width:40ch}.loop{position:relative;width:min(100%,440px);aspect-ratio:1 / 1;margin:0 auto}.loop svg.ring{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.loop .ring-path{fill:none;stroke:var(--line);stroke-width:.4}.loop .ring-arc{fill:none;stroke:var(--blue);stroke-width:.6;stroke-dasharray:1 2.2}.loop .token-g{transform-box:view-box;transform-origin:50px 50px;transition:transform .65s cubic-bezier(.6,.05,.3,1)}.loop .token{fill:var(--yellow)}.loop .token.fail{fill:var(--red)}.loop-btn{position:absolute;transform:translate(-50%,-50%);font:inherit;font-size:.86rem;line-height:1.2;min-height:44px;min-width:44px;max-width:168px;padding:6px 12px;border-radius:var(--r);border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;text-align:center;transition:border-color .2s,color .2s,background .2s}.loop-btn:hover{border-color:var(--blue)}.loop-btn[aria-pressed=true]{border-color:var(--blue);color:var(--blue)}.loop-btn.lens-on{background:var(--bg3)}.loop-btn.is-run{border-color:var(--yellow);color:var(--yellow)}.loop-btn.is-fail{border-color:var(--red);color:var(--red)}.loop-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:52%;text-align:center;display:flex;flex-direction:column;gap:6px}.loop-center h3{font-size:1.4rem;color:var(--blue)}.loop-center p{margin:0;font-size:.9rem;color:var(--ink)}.runlog{list-style:none;margin:18px 0 0;padding:0;font-family:var(--mono);font-size:.8rem;display:flex;flex-direction:column;gap:6px}.runlog:empty{display:none}.runlog li{color:var(--muted)}.runlog li.fail{color:var(--red)}.runlog li.pass{color:var(--teal)}.runlog li b{color:var(--ink);font-weight:500}@media(max-width:860px){.method{grid-template-columns:minmax(0,1fr);gap:24px}}@media(max-width:520px){.loop{aspect-ratio:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.loop svg.ring{display:none}.loop-btn{position:static;transform:none;max-width:none;width:100%;padding:6px 4px;font-size:.82rem}.loop-center{position:static;transform:none;width:auto;grid-column:1 / -1;text-align:left;padding:10px 0 0;order:10}}.also{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}.also li{border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;font-size:.95rem}footer.contact{border-top:1px solid var(--line);padding:96px 0 40px}footer.contact h2{font-size:clamp(2.2rem,6vw,3.8rem);margin-bottom:14px}footer.contact p{font-size:1.1rem;max-width:40ch;margin:0 0 22px}.mail{font-family:var(--serif);font-size:clamp(1.25rem,3.5vw,1.8rem);overflow-wrap:anywhere}.mail.btn.solid{font-family:var(--sans);font-size:1rem}.foot-note{margin-top:64px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;font-size:.9rem;color:var(--muted)}.foot-links{display:flex;flex-wrap:wrap;gap:4px 18px;list-style:none;margin:0;padding:0}@media(max-width:560px){footer.contact{padding:64px 0 32px}.foot-note{margin-top:40px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.step,html.js .step{opacity:1}.vid-ph .ph-ring{stroke-dashoffset:0}}.hx{display:grid;grid-template-columns:minmax(0,15rem) minmax(0,1fr);gap:24px;align-items:start}.hx-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.hx-list button{width:100%;min-height:44px;text-align:left;background:none;border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;color:var(--muted);font:inherit;cursor:pointer;display:flex;flex-direction:column;gap:2px}.hx-list button b{font-weight:500;color:var(--ink)}.hx-list button span{font-family:var(--mono);font-size:.72rem}.hx-list button:hover{border-color:var(--blue)}.hx-list button[aria-selected=true]{border-color:var(--yellow);background:var(--bg2)}.hx-list button[aria-selected=true] b{color:var(--yellow)}.hx-panel{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:16px;min-width:0}.hx-panel h3{font-size:1.6rem}.hx-panel p{margin:0;max-width:62ch}.hx-panel .why{color:var(--muted)}.hx-panel pre{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-family:var(--mono);font-size:.8rem;line-height:1.55;overflow-x:auto;color:var(--muted)}.hx-panel pre .k{color:var(--blue)}.hx-panel pre .s-pass{color:var(--teal)}.hx-panel pre .s-fail{color:var(--red)}.hx-panel pre .s-error{color:var(--yellow)}.hx-note{font-size:.8rem;color:var(--faint)}@media(max-width:720px){.hx{grid-template-columns:minmax(0,1fr)}.hx-list{flex-direction:row;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}.hx-list li{flex:0 0 auto;scroll-snap-align:start}.hx-list button{width:auto;min-width:0}.hx-list button span{display:none}.hx-list{scrollbar-width:thin;scrollbar-color:var(--line) transparent}}.verdicts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:900px}.verdicts li{border:1px solid var(--line);border-top:3px solid var(--c);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:6px}.verdicts code{font-family:var(--mono);font-size:1rem;color:var(--c)}.verdicts p{margin:0;color:var(--muted);font-size:.95rem}.verdicts .v-pass{--c: var(--teal)}.verdicts .v-fail{--c: var(--red)}.verdicts .v-error{--c: var(--yellow)}@media(max-width:720px){.verdicts{grid-template-columns:minmax(0,1fr)}}.links2.one{grid-template-columns:minmax(0,1fr);max-width:560px}@media(max-width:720px){:root{--gut: 20px;--header-h: 52px}.wrap,.essay-grid{padding-left:var(--gut);padding-right:var(--gut)}section.block{padding:48px 0;border-top:0}section.block+section.block{padding-top:8px}.essay{border-top:0}.sec-head{margin-bottom:20px;gap:8px}.sec-head h2{font-size:1.75rem}.prose p{font-size:1.08rem}nav.primary a{padding:0 9px;font-size:.9rem}.hero{padding:36px 0 24px}.hero h1{font-size:3.6rem;margin:0 0 16px}.lede{font-size:1.15rem}.lcard{padding:18px 20px}.lcard b{font-size:1.3rem}.crumb{padding-top:12px}.p-head{gap:20px;padding-top:4px;padding-bottom:32px}.p-head h1{font-size:2.4rem;margin:8px 0 14px}.tldr{padding:18px;gap:14px}.stage{height:48vh;padding:4px 0}.stage canvas{height:calc(48vh - 12px)}.figcap{display:none}.chapter{padding:2vh 0 6vh}.step{min-height:36vh;gap:10px}.step h2{font-size:1.6rem}.step p{font-size:1.05rem;max-width:none}.vid h3{font-size:1.35rem}.results{grid-template-columns:minmax(0,1fr);gap:0}.results div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0}.results dt{font-size:1.4rem}.results dd{margin:0;text-align:right}.lesson{padding-left:16px}.lesson p{font-size:1.2rem}.pn{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pn a{padding:14px}.pn a b{font-size:1.05rem}.pn a.next{order:0;background:transparent;color:var(--ink);border-color:var(--blue)}.pn a.next span{color:var(--blue);opacity:1}.pn a:only-child{grid-column:1 / -1}.pn-back{display:none}.lenses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;padding:3px;border:1px solid var(--line);border-radius:var(--r)}.lenses .btn{border:0;justify-content:center}.lenses .btn[aria-pressed=true]{background:var(--bg3)}#run-btn{width:100%;justify-content:center}.loop-btn{border-radius:var(--r)}.also{flex-direction:column;gap:0}.also li{border:0;border-top:1px solid var(--line);border-radius:0;padding:14px 0}footer.contact{padding:48px 0 28px}footer.contact h2{font-size:2rem}footer.contact p{font-size:1.05rem}footer.contact a.mail{display:flex;justify-content:center;align-items:center;min-height:48px;border-radius:var(--r);background:var(--blue);color:var(--bg);font-family:var(--sans);font-size:1rem;font-weight:600;text-decoration:none}.foot-note{margin-top:32px}}.stage{margin:0}.btn.big{min-height:48px;padding:0 22px;font-size:1rem}.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}.hero-cta{margin-top:28px}.hero-cta .cta-note{margin:0}.hero-sm{padding:64px 0 24px}.hero-sm h1{font-size:clamp(2.6rem,8vw,4.8rem)}.hire-meta{margin:18px 0 0}.nav-cta{flex:none;min-height:44px;padding:0 16px;font-size:.88rem}.nav-cta[aria-current=page]{background:var(--ink);border-color:var(--ink)}.menu-btn{display:none;flex:none;padding:0;width:44px;justify-content:center}.menu-btn svg{width:20px;height:20px}@media(max-width:860px){.menu-btn{display:inline-flex}nav.primary{position:absolute;top:var(--header-h);left:0;right:0;margin:0;display:none;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gut, 20px) 16px}nav.primary.open{display:block}nav.primary ul{flex-direction:column;gap:0}nav.primary a{width:100%;min-height:48px;padding:0;font-size:1.05rem;border-bottom:1px solid var(--line)}nav.primary a[aria-current]{border-bottom-color:var(--yellow)}header.site .wrap{gap:8px}.brand{margin-right:auto}}@media(max-width:380px){.nav-cta{padding:0 12px;font-size:.82rem}}.hx-panels{min-width:0}.hx-panel[hidden]{display:none}details.transcript{margin-top:4px}.transcript-list{margin:6px 0 0;padding-left:20px;color:var(--muted);font-size:.92rem;display:flex;flex-direction:column;gap:4px}.offers{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.offer{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:14px}.offer-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}.offer h3{font-size:1.6rem}.offer-len{color:var(--muted);white-space:nowrap}.offer dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 14px}.offer dt{font-size:.85rem;color:var(--muted);padding-top:4px}.offer dd{margin:0}.offer-proof{margin:auto 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:0 14px}.offer-proof span{color:var(--muted);font-size:.92rem}.offer-proof a{display:inline-flex;align-items:center;min-height:44px}.steps4{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.steps4 li{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:16px}.steps4 .n{font-weight:650;font-stretch:78%;font-size:2rem;color:var(--blue);line-height:1}.steps4 h3{font-size:1.25rem}.steps4 p{margin:4px 0 0;color:var(--muted);font-size:.95rem}.book h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:12px}.book p{font-family:var(--serif);font-size:1.15rem;max-width:46ch;margin:0 0 22px}.faq{margin:0;display:flex;flex-direction:column;gap:0;max-width:46rem}.faq div{border-top:1px solid var(--line);padding:18px 0}.faq dt{font-family:var(--serif);font-size:1.25rem;margin-bottom:6px}.faq dd{margin:0;color:var(--muted)}.lesson{margin:28px 0 0}.empty-note{font-family:var(--serif);font-size:1.3rem;color:var(--muted);margin:0}.posts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.posts a{display:flex;flex-direction:column;gap:4px;padding:20px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}.posts a b,.posts .post-title{font-family:var(--serif);font-weight:400;font-size:1.5rem;margin:0;line-height:1.25}.posts a span:last-child{color:var(--muted)}.post{padding-top:32px;padding-bottom:64px;max-width:760px}.post h1{font-size:clamp(2.2rem,6vw,3.4rem);margin:10px 0 16px}.post-body{margin-top:32px;font-size:1.08rem}.post-body h2{font-size:1.8rem;margin:40px 0 12px}.post-body pre{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;overflow-x:auto;font-size:.85rem}.post-body code{font-family:var(--mono);font-size:.9em}.post-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.95rem}.post-body th,.post-body td{text-align:left;vertical-align:top;padding:10px 12px;border-top:1px solid var(--line)}.post-body th{font-size:.85rem;font-weight:600;color:var(--muted);border-top:0}.post-body td:first-child{font-weight:600;white-space:nowrap}.post-body td:last-child{color:var(--muted)}.post-body blockquote{margin:24px 0;padding:4px 0 4px 18px;border-left:3px solid var(--blue)}@media(max-width:640px){.post-body thead{display:none}.post-body tr,.post-body td{display:block}.post-body tr{border-top:1px solid var(--line);padding:12px 0}.post-body td{border:0;padding:2px 0;white-space:normal}}footer.contact .cta-row{margin-top:4px}.foot-note a{color:var(--muted)}.foot-note a:hover{color:var(--ink)}@media(max-width:860px){.offers{grid-template-columns:minmax(0,1fr)}.steps4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.hero-sm{padding:32px 0 8px}.hero-sm h1{font-size:2.5rem}.offer{padding:20px}.offer h3{font-size:1.35rem}.steps4{grid-template-columns:minmax(0,1fr);gap:12px}.steps4 li{flex-direction:row;gap:16px}.steps4 .n{font-size:1.6rem;min-width:1.2em}.cta-row .btn.big{flex:1 1 100%;justify-content:center}.faq dt{font-size:1.1rem}.crumb{padding-top:12px}}.audience{margin:14px 0 0;color:var(--muted);font-size:1.05rem;max-width:48ch}.venture-line{margin:8px 0 0;color:var(--muted);font-size:.95rem;max-width:60ch}.venture-line a{color:var(--ink, inherit)}.cta-note{margin:12px 0 0;color:var(--muted);font-size:.92rem}.trust-line{margin:14px 0 0;color:var(--muted);font-family:var(--serif);font-size:1.1rem;max-width:52ch}.h1-sub{display:block;margin-top:10px;font-family:var(--sans);font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.4;color:var(--muted);letter-spacing:0}.figtext{margin:0 0 40px;max-width:62ch;font-family:var(--serif);font-size:.95rem;color:var(--muted)}.more-link{margin:28px 0 0}.more-link a{display:inline-flex;align-items:center;min-height:44px}.chips li:has(>.chip-more){border:0;padding:0}.prose.where p,.prose.bio p{margin:0 0 14px}.quotes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.quotes li{border-left:3px solid var(--blue);padding:4px 0 4px 20px}.quotes blockquote{margin:0}.quotes blockquote p{margin:0;font-family:var(--serif);font-size:1.2rem;line-height:1.45}.quotes .who{margin:10px 0 0;color:var(--muted);font-size:.9rem}@media(max-width:720px){.offer-top{flex-direction:column;align-items:flex-start;gap:4px}.quotes{grid-template-columns:minmax(0,1fr)}.figtext{margin-bottom:24px}.foot-note{gap:10px}.foot-note a{display:inline-flex;align-items:center;min-height:32px}.foot-links{line-height:2}}@media(min-width:721px){.hero{padding:72px 0 56px}.hero h1{font-size:clamp(3.4rem,9vw,7rem)}.hero-cta{margin-top:20px}#work.block{padding-top:40px}}.nav-cta .short{display:none}@media(max-width:900px){.nav-cta .full{display:none}.nav-cta .short{display:inline}}@media(pointer:coarse){.chip-more{position:relative}.chip-more:after{content:"";position:absolute;inset:-9px -4px}.foot-links a{display:inline-block;padding:8px 0}.brand{padding:8px 10px 8px 0}}.post-body pre span[style*="#6A737D" i]{color:#9aa4ae!important}.photo{margin:0}.photo img{display:block;width:100%;height:auto;border:1.5px solid var(--ink)}.photo figcaption{margin-top:6px;font-size:.8rem;color:var(--muted)}.hero-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end}.photo-portrait{width:clamp(140px,18vw,220px)}.photo-portrait img{aspect-ratio:1 / 1;object-fit:cover}.base-grid,.bio-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}.base-grid:has(.photo),.bio-grid:has(.photo){grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}.photo-rice{max-width:340px;justify-self:end}.photo-rice img{aspect-ratio:3 / 4;object-fit:cover}@media(max-width:720px){.photo-rice{max-width:none;justify-self:stretch}.photo-rice img{aspect-ratio:4 / 3;object-position:50% 70%}}@media(max-width:720px){.hero-top{grid-template-columns:minmax(0,1fr);gap:20px}.hero-top .photo-portrait{order:-1;width:112px}.base-grid:has(.photo),.bio-grid:has(.photo){grid-template-columns:minmax(0,1fr)}}.wrap{max-width:1080px}section.block{padding:64px 0}.sec-head{margin-bottom:24px;max-width:46rem}.sec-head p{max-width:64ch}.more-link{margin-top:20px}@media(min-width:721px){.hero{padding:56px 0 48px}.hero-top{grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:48px;align-items:center}.lede{max-width:30ch;font-size:clamp(1.3rem,2.4vw,1.65rem)}.audience{max-width:52ch}.photo-portrait{width:100%}.titleblock{margin-top:40px}}.hero-top .hero-cta{margin-top:24px}.index li{grid-template-columns:2.5rem minmax(0,1fr) 13rem;gap:0 28px;padding:22px 0;align-items:stretch}.idx-main p{max-width:62ch}.idx-metric{text-align:left;border-left:1px solid var(--line);padding:6px 0 0 20px;justify-content:flex-start}@media(max-width:720px){.index li{grid-template-columns:2rem minmax(0,1fr);gap:4px 12px}.idx-metric{border-left:0;padding:6px 0 0}}footer.contact{padding:56px 0 32px}.contact-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px 48px;align-items:end}.contact-grid h2{margin-bottom:12px}.contact-grid p{margin:0;max-width:46ch}.contact-grid .cta-row{justify-content:flex-end}.foot-note{margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}@media(max-width:860px){.contact-grid{grid-template-columns:minmax(0,1fr)}.contact-grid .cta-row{justify-content:flex-start}}.ideas{gap:0 40px}.base-list{max-width:none}.base-grid:not(:has(.photo)) .base-list li{grid-template-columns:minmax(0,18rem) minmax(0,1fr)}.hero-sm{padding:48px 0 16px}.contact-grid{grid-template-columns:minmax(0,1fr) auto}footer.contact .contact-grid h2{font-size:clamp(2rem,4.2vw,3rem)}.contact-grid .cta-row{flex-wrap:nowrap}@media(max-width:860px){.contact-grid{grid-template-columns:minmax(0,1fr)}.contact-grid .cta-row{flex-wrap:wrap}}.index li{grid-template-columns:2.5rem minmax(0,1fr) 14rem}.idx-side{border-left:1px solid var(--line);padding:4px 0 0 20px;display:flex;flex-direction:column}.idx-side .idx-metric{border-left:0;padding:0}@media(max-width:720px){.index li{grid-template-columns:2rem minmax(0,1fr)}.idx-side{grid-column:2;border-left:0;padding:10px 0 0;flex-direction:row;align-items:center;gap:16px}.idx-side .pfig{width:46%;margin:0;flex:none}}@media(min-width:721px){.hero-top:has(.board){grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px}}@media(max-width:720px){.hero-top .board{order:2}}