@font-face{font-family:Public Sans;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_astro/public-sans-latin-wght-normal.DdeTHZLK.woff2) format("woff2")}:root{--ink: #0d1117;--ink-2: #151b24;--ink-line: #2a3442;--on-ink: #eef2f6;--on-ink-muted: #9eabb9;--green: #3ddc97;--blue: #6cb2ff;--paper: #f5f7f9;--white: #ffffff;--text: #10161d;--text-muted: #4a5562;--rule: #d6dce2;--field: #77818d;--green-deep: #0b7a50;--blue-deep: #1558c0;--sans: "Public Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;--max: 1160px;--bg: var(--paper);--fg: var(--text);--fg-muted: var(--text-muted);--line: var(--rule);--link: var(--blue-deep);--accent: var(--green-deep);--btn-bg: var(--green-deep);--btn-fg: #ffffff;color-scheme:light}.dark{--bg: var(--ink);--fg: var(--on-ink);--fg-muted: var(--on-ink-muted);--line: var(--ink-line);--link: var(--blue);--accent: var(--green);--btn-bg: var(--green);--btn-fg: #06140d;background:var(--bg);color:var(--fg)}.white{--bg: var(--white);background:var(--bg)}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{max-width:100%;display:block}img{height:auto}::selection{background:var(--green);color:#06140d}h1,h2,h3{font-weight:700;margin:0;letter-spacing:-.02em;text-wrap:balance}h1{font-size:clamp(2.6rem,5.6vw,4.5rem);line-height:1.02;letter-spacing:-.03em}h2{font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.15}h3{font-size:1.2rem;line-height:1.3;letter-spacing:-.01em}p{margin:0 0 1em}p:last-child{margin-bottom:0}ul,ol,dl,dd{margin:0;padding:0}ul,ol{list-style:none}a{color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em;transition:color .12s}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}.skip{position:absolute;left:-999px;top:8px;z-index:10;padding:8px 14px;background:var(--green);color:#06140d}.skip:focus{left:8px}.muted{color:var(--fg-muted)}.label{font-size:13px;font-weight:700;line-height:1.4;color:var(--fg-muted)}.kicker{margin:0 0 14px;font-size:15px;font-weight:700;color:var(--accent)}.measure{max-width:66ch}.lede-text{font-size:clamp(1.1rem,1.7vw,1.35rem);line-height:1.5;color:var(--fg-muted);max-width:46ch}.btn{display:inline-block;padding:.75em 1.25em;background:var(--btn-bg);color:var(--btn-fg);font:700 15px/1.2 var(--sans);text-decoration:none;border:2px solid var(--btn-bg);border-radius:2px;cursor:pointer;transition:background-color .12s,color .12s}.btn:hover{background:transparent;color:var(--fg)}.btn:disabled{opacity:.6;cursor:wait}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;margin-top:28px}.inline-list{display:flex;flex-wrap:wrap;gap:8px 28px}.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 32px;padding-top:18px;padding-bottom:18px}.site-header .name{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;color:var(--fg);text-decoration:none}.site-header .name span{color:var(--accent)}.site-header ul{display:flex;gap:28px}.site-header nav a{display:block;padding:6px 0;font-size:15px;font-weight:600;color:var(--fg-muted);text-decoration:none;border-bottom:2px solid transparent}.site-header nav a:hover{color:var(--fg)}.site-header nav a[aria-current=page]{color:var(--fg);border-bottom-color:var(--accent)}.site-footer{padding:40px 0 48px;border-top:1px solid var(--line)}.site-footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;font-size:14px}.site-footer ul{display:flex;flex-wrap:wrap;gap:8px 24px}.site-footer .disclaimer{margin-top:20px;max-width:80ch;font-size:13px;line-height:1.5;color:var(--fg-muted)}.backdrop{position:absolute;top:0;right:0;width:34%;height:100%;max-width:none;pointer-events:none}.sat-swing{transform-origin:420px 391px;animation:sat-swing 14s ease-in-out infinite alternate}@keyframes sat-swing{0%{transform:rotate(-4deg)}to{transform:rotate(5deg)}}.beam{animation:beam 1.8s linear infinite}@keyframes beam{to{stroke-dashoffset:-13}}.sat-float{transform-box:fill-box;transform-origin:center;animation:sat-float 11s ease-in-out infinite alternate}@keyframes sat-float{0%{transform:translate(-14px,8px) rotate(-4deg)}to{transform:translate(16px,-10px) rotate(4deg)}}.hero{position:relative;overflow:hidden}.hero-inner{position:relative;padding-top:88px}.hero-art-box{position:absolute;inset:0;pointer-events:none}.hero-art{position:absolute;top:24px;left:calc(50% + 24px);width:660px;max-width:none;overflow:visible;pointer-events:none}.story-radio{position:absolute;width:1px;height:1px;opacity:0}.story-panels{position:relative;max-width:calc(50% - 8px);min-height:512px;padding-bottom:56px}.story{display:none}.story .sub{margin-top:14px;max-width:50ch;font-size:16px;line-height:1.6;color:var(--fg-muted)}.story h1,.story h2{font-size:clamp(2.6rem,5.6vw,4.5rem);line-height:1.02;letter-spacing:-.03em;margin-bottom:20px}#story-0:checked~.story-panels .story:nth-child(1),#story-1:checked~.story-panels .story:nth-child(2),#story-2:checked~.story-panels .story:nth-child(3),#story-3:checked~.story-panels .story:nth-child(4),#story-4:checked~.story-panels .story:nth-child(5){display:block}.story-tabs{position:relative;z-index:1;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:20px}.story-tabs:before{content:"";position:absolute;z-index:-1;inset:0 -100vw;background:var(--bg)}.story-tabs label{display:block;padding:14px 0 26px;border-top:3px solid var(--line);color:var(--fg-muted);cursor:pointer;transition:color .12s,border-color .12s}.story-tabs label:hover{color:var(--fg)}.story-tabs .k{display:block;font-size:12px;font-weight:700;margin-bottom:6px}.story-tabs .t{display:block;font-size:15px;line-height:1.35}#story-0:checked~.story-tabs label:nth-child(1),#story-1:checked~.story-tabs label:nth-child(2),#story-2:checked~.story-tabs label:nth-child(3),#story-3:checked~.story-tabs label:nth-child(4),#story-4:checked~.story-tabs label:nth-child(5){border-top-color:var(--accent);color:var(--fg)}#story-0:focus-visible~.story-tabs label:nth-child(1),#story-1:focus-visible~.story-tabs label:nth-child(2),#story-2:focus-visible~.story-tabs label:nth-child(3),#story-3:focus-visible~.story-tabs label:nth-child(4),#story-4:focus-visible~.story-tabs label:nth-child(5){outline:2px solid var(--accent);outline-offset:4px}.masthead{position:relative;overflow:hidden}.masthead .wrap{position:relative;padding-top:56px;padding-bottom:64px}.masthead .crumb{display:inline-block;margin-bottom:18px;font-size:14px;font-weight:600}.masthead h1{margin-bottom:20px;max-width:62%}.masthead-grid h1{max-width:none}.masthead-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:32px 64px;align-items:end}.section{padding:72px 0}.section-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 24px;margin-bottom:28px}.section-head p{margin:6px 0 0}.section>.wrap>h2{margin-bottom:14px}.spec{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 40px;padding:36px 0}.spec dt{font-size:13px;font-weight:700;color:var(--fg-muted);margin-bottom:2px}.spec dd{font-size:16px;line-height:1.45}.pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.panel{background:var(--white);border:1px solid var(--rule);border-top:4px solid var(--green-deep);padding:28px 28px 32px;border-radius:2px}.panel.alt{border-top-color:var(--blue-deep)}.panel.alt .kicker{color:var(--blue-deep)}.panel h2{margin-bottom:18px}.panel li{padding:14px 0;border-top:1px solid var(--rule);font-size:16px;line-height:1.55}.panel li strong{display:block;font-size:15px}.panel .more{margin-top:18px;font-size:15px;font-weight:600}.tile{position:relative;display:block;overflow:hidden;border-radius:4px;border:1px solid var(--ink-line);background:var(--ink-2);color:#fff;text-decoration:none;outline:2px solid transparent;outline-offset:3px;transition:outline-color .12s}.tile img{width:100%;aspect-ratio:16 / 10;object-fit:cover;object-position:top left;transition:transform .2s ease-out}.tile:after{content:"";position:absolute;inset:52% 0 0;background:linear-gradient(to bottom,#0d111700,#0d1117f2 68%)}.tile-text{position:absolute;z-index:1;left:20px;right:20px;bottom:16px}.tile-title{display:block;font-size:1.55rem;font-weight:700;line-height:1.15;letter-spacing:-.02em}.tile-cap{display:block;margin-top:4px;font-size:15px;color:#d3dbe4}.tile:hover,.tile:focus-visible{outline-color:var(--green)}.tile:hover img{transform:scale(1.03)}.shelf-section{overflow-x:clip}.shelf{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding-left:6px;margin-right:calc((100% - 100vw)/2);padding:6px 24px 20px 6px;margin-left:-6px;scrollbar-width:thin;scrollbar-color:var(--ink-line) transparent}.shelf>li{flex:0 0 min(82vw,500px);scroll-snap-align:start}.shelf-ctrl{display:flex;gap:8px}.shelf-ctrl[hidden]{display:none}.shelf-ctrl button{width:40px;height:40px;background:var(--ink-2);color:var(--fg);border:1px solid var(--line);border-radius:2px;font:700 18px/1 var(--sans);cursor:pointer}.shelf-ctrl button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.shelf-ctrl button:disabled{opacity:.35;cursor:default}.tile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 24px}.tile-grid .about{margin-top:14px;font-size:16px;line-height:1.5;color:var(--fg-muted)}.tile-grid .links{margin-top:8px;display:flex;flex-wrap:wrap;gap:4px 20px;font-size:14px;color:var(--fg-muted)}.code-window{background:var(--ink);color:var(--on-ink);border:1px solid var(--ink-line);border-radius:4px;overflow:hidden}.code-bar{display:flex;justify-content:space-between;gap:16px;padding:9px 16px;background:var(--ink-2);border-bottom:1px solid var(--ink-line);font-size:13px;font-weight:600;color:var(--on-ink-muted)}.code-file:before{content:"";display:inline-block;width:8px;height:8px;margin-right:8px;background:var(--green)}.code-body{margin:0;padding:16px;overflow-x:auto;font:14px/1.7 ui-monospace,SF Mono,Menlo,Consolas,monospace}.code-body .ln{display:block;white-space:pre}.t-c{color:#8794a3}.t-k{color:var(--blue)}.t-n,.t-s{color:var(--green)}.t-o{color:var(--on-ink-muted);border-top:1px solid var(--ink-line);margin-top:10px;padding-top:10px}.code-pair{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:24px;align-items:start;margin:32px 0 0}.figure-note{margin:12px 0 0;font-size:14px;color:var(--fg-muted)}.inline-figure{margin:24px 0 0;max-width:66ch}.inline-figure img{width:100%;border-radius:4px}.feature{position:relative;overflow:clip;display:flex;align-items:flex-end;min-height:min(86vh,820px);background:#000}.feature-bg{position:absolute;inset:-10% 0}.feature-bg img{width:100%;height:100%;object-fit:cover;animation:photo-drift 44s ease-in-out infinite alternate}.feature-bg.focus-top img{object-position:center 25%}.feature-bg.focus-bottom img{object-position:center 75%}@keyframes photo-drift{0%{scale:1.03;translate:-1.2% 0}to{scale:1.13;translate:1.4% -1%}}@supports (animation-timeline: view()){.feature{view-timeline:--feature block}.feature-bg{animation:photo-parallax linear both;animation-timeline:--feature}}@keyframes photo-parallax{0%{translate:0 -6%}to{translate:0 6%}}.feature:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,#000000e0,#00000073 42%,#00000040)}.orbit-arcs{position:absolute;z-index:1;inset:0;width:100%;height:100%;max-width:none;pointer-events:none}.feature .wrap{position:relative;z-index:2;padding-top:180px;padding-bottom:84px}.feature h2{font-size:clamp(2.2rem,5.2vw,4.2rem);font-weight:800;line-height:1;letter-spacing:-.01em;text-transform:uppercase;max-width:15ch;margin-bottom:20px}.feature .lede-text{color:#dfe5ec}.photo-credit{position:absolute;z-index:2;left:16px;right:16px;bottom:10px;margin:0;text-align:right;font-size:12px;line-height:1.4;color:#b9c3ce}.masthead .photo-credit{color:#aab5c1}.btn-line{display:inline-flex;align-items:center;gap:14px;padding:15px 20px;border:1px solid rgba(240,240,250,.45);border-radius:4px;background:#00000080;color:#fff;font:700 13px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;transition:background-color .2s,color .2s}.btn-line:after{content:"→";font-size:16px}.btn-line:hover{background:#fff;color:#000}.black{--bg: #000;background:#000}.tech{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:40px 64px;align-items:center}.tech h2{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800;line-height:1.02;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:18px}.specs{margin-top:28px;border-top:1px solid var(--line)}.specs>div{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:13px 0;border-bottom:1px solid var(--line)}.specs dt{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted)}.specs dd{font-size:1.15rem;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}.gps-diagram{width:100%;height:auto}.orbit-static{display:none}.scale-note{margin:4px 0 0;text-align:center;font-size:13px;color:var(--fg-muted)}.source-note{margin-top:16px;font-size:13px;color:var(--fg-muted)}.segments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:64px}.segment{margin:0}.segment-media{position:relative;overflow:hidden;aspect-ratio:4 / 3;border:1px solid var(--line);border-radius:4px;background:var(--ink)}.segment-media img{width:100%;height:100%;object-fit:cover;animation:photo-drift 38s ease-in-out infinite alternate}.segment-media .code-window{position:absolute;inset:0;border:0;border-radius:0}.segment-media .code-body{font-size:12px;padding:12px 14px;overflow:hidden}.segment h3{margin:16px 0 4px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.segment p{margin:0;font-size:16px;line-height:1.5}.segment .pictured{margin-top:6px;font-size:13px;color:var(--fg-muted)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 32px;margin:0 0 56px}.stats dt{order:2;margin-top:6px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted)}.stats dd{font-size:clamp(3rem,7vw,5.5rem);font-weight:200;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.stats>div{display:flex;flex-direction:column}.masthead-photo{position:absolute;inset:-6% 0}.masthead-photo img{width:100%;height:100%;object-fit:cover;object-position:center 66%;opacity:.9;animation:photo-drift 50s ease-in-out infinite alternate}.masthead.has-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0d1117d9,#0d111759)}.masthead.has-photo .wrap{z-index:1}.facts{border-top:1px solid var(--line)}.facts>div{padding:10px 0;border-bottom:1px solid var(--line)}.facts dt{font-size:13px;font-weight:700;color:var(--fg-muted)}.facts dd{font-size:15px;line-height:1.45}.band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:16px 48px;padding:40px 0 48px;border-top:1px solid var(--line)}.band:first-child{border-top:0}.band h2{font-size:1.45rem}.band h2+.label{margin-top:6px}.band .rail{border-left:4px solid var(--green-deep);padding-left:16px;align-self:start}.band.alt .rail{border-left-color:var(--blue-deep)}.entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 32px;padding:24px 0;border-top:1px solid var(--line)}.entry:first-child{border-top:0;padding-top:0}.entry:last-child{padding-bottom:0}.entry .when{text-align:right;font-size:14px;color:var(--fg-muted);white-space:nowrap;padding-top:3px;font-variant-numeric:tabular-nums}.entry .who{font-size:15px;color:var(--fg-muted);margin:2px 0 10px}.entry .body{grid-column:1 / -1;max-width:66ch;font-size:16px}.entry .body ul{margin-top:8px}.entry .body li,.prose ul li{position:relative;padding-left:1.1em;margin:4px 0}.entry .body li:before,.prose ul li:before{content:"–";position:absolute;left:0;color:var(--fg-muted)}.prose{max-width:66ch}.prose h2{font-size:1.45rem;margin:2em 0 .5em;padding-top:1em;border-top:1px solid var(--line)}.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}.prose h3{margin:1.5em 0 .4em}.prose ul,.prose ol{margin:0 0 1em}.prose ol{list-style:decimal;padding-left:1.3em}.prose ol li{margin:4px 0;padding-left:.2em}.prose code{font:.9em ui-monospace,Menlo,Consolas,monospace;background:#e7ebef;padding:.1em .3em}.figure{margin:0 0 56px}.figure img{width:100%;border-radius:4px;border:1px solid var(--line)}.figure figcaption{margin-top:10px;font-size:14px;color:var(--fg-muted)}.article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:16px 48px}.article .prose{grid-column:2}.next{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-weight:600}.form{display:grid;gap:20px;max-width:560px}.form label{display:grid;gap:6px;font-size:14px;font-weight:700}.form input,.form textarea{font:400 17px/1.4 var(--sans);color:var(--text);background:var(--white);border:1px solid var(--field);border-radius:2px;padding:10px 12px;width:100%;min-height:44px}.form input:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.form .hp{position:absolute;left:-9999px;width:1px}.form .btn{justify-self:start}.form .btn:hover{color:var(--green-deep)}.form .status{margin:0;min-height:1.6em;font-size:15px}.form .status.ok,.form .status.err{font-weight:700}@media(max-width:900px){.hero-inner{padding-top:16px}.hero-art-box{position:relative;inset:auto;height:190px;overflow:hidden}.hero-art{top:-64px;left:calc(50% - 210px);width:500px}.story-panels{max-width:none;min-height:0;padding-bottom:40px}.story-tabs{grid-auto-columns:62%;overflow-x:auto;scrollbar-width:none;margin-right:-24px;padding-right:24px}.masthead .wrap{padding-top:40px;padding-bottom:48px}.masthead-grid{grid-template-columns:minmax(0,1fr)}.backdrop{display:none}.masthead h1{max-width:none}.section{padding:52px 0}.spec{grid-template-columns:repeat(2,minmax(0,1fr))}.pair,.tile-grid,.code-pair,.tech,.segments{grid-template-columns:minmax(0,1fr)}.feature{min-height:560px}.feature .wrap{padding-top:120px;padding-bottom:88px}.orbit-arcs{opacity:.5}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.segments{margin-top:48px;gap:36px}.band,.article{grid-template-columns:minmax(0,1fr);padding:32px 0 40px}.article{padding:0}.article .prose{grid-column:1}}@media(max-width:520px){.wrap{padding:0 16px}.site-header ul{gap:20px}.spec{grid-template-columns:minmax(0,1fr);gap:18px}.entry{grid-template-columns:minmax(0,1fr)}.entry .when{text-align:left;grid-row:2;padding:0}.story-tabs{margin-right:-16px;padding-right:16px}.shelf{padding-right:16px}.tile-title{font-size:1.3rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}.orbit-moving{display:none}.orbit-static{display:block}.tile:hover img{transform:none}}.print-line{display:none}@media print{@page{size:Letter;margin:.45in .5in}:root,.dark{--bg: #fff;--fg: #000;--fg-muted: #333;--line: #999;--link: #000;--accent: #000;--text: #000;--text-muted: #333;--rule: #999;--paper: #fff}body,.dark,.white{background:#fff;color:#000}body{font-size:8.4pt;line-height:1.28}.site-header,.site-footer .row,.skip,.no-print,.actions,.backdrop,.kicker,.lede-text,.masthead-photo,.photo-credit{display:none!important}.print-line{display:block;margin:0;font-size:8.4pt}.wrap{max-width:none;padding:0}.masthead .wrap{padding:0 0 4pt;border-bottom:1.5pt solid #000}.masthead h1{font-size:20pt;margin-bottom:2pt}.section{padding:0}.band{grid-template-columns:.95in minmax(0,1fr);gap:0 12pt;padding:3.5pt 0}.band:first-child{border-top:0}.band h2{font-size:10.5pt}.band .rail{border-left:0;padding-left:0}.entry{padding:2.5pt 0;gap:0 16pt}.entry h3{font-size:9.2pt}.entry .who,.entry .when,.entry .body,.facts dd,.facts dt{font-size:8.4pt;line-height:1.28}.entry .who{margin:0 0 1pt}#projects .who{display:none}.entry .when{padding-top:1pt}.entry .body{max-width:none}.entry .body ul{margin-top:0}.entry .body li{margin:.5pt 0}.facts{border-top:0}.facts>div{display:grid;grid-template-columns:1.25in minmax(0,1fr);gap:0 8pt;padding:1.5pt 0;border-bottom:0}.measure,.prose{max-width:none}p{margin-bottom:2.5pt}a{text-decoration:none}.site-footer{padding:3pt 0 0;border-top:1.5pt solid #000}.site-footer .disclaimer{margin-top:0;max-width:none;font-size:7pt}}