:root{--ink:#101922;--ink-deep:#0b1219;--panel:#18242f;--line:#24333f;--paper:#e9eef2;--muted:#8ea0ae;--send:#f0a22e;--receive:#58d3c2;--measure:62ch;--gutter:clamp(1.25rem, 5vw, 4rem);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis-weight:none;-webkit-font-smoothing:antialiased;font-family:Archivo,ui-sans-serif,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--ink);color:var(--paper);margin:0;font-size:clamp(1rem,.96rem + .2vw,1.0625rem);line-height:1.6}a{color:inherit}:focus-visible{outline:2px solid var(--send);outline-offset:3px;border-radius:2px}.wrap{width:100%;max-width:68rem;padding-inline:var(--gutter);margin:0 auto}.masthead{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-block:1.5rem;display:flex}.wordmark{letter-spacing:-.015em;align-items:center;gap:.6rem;font-size:1.0625rem;font-weight:800;text-decoration:none;display:flex}.wordmark img{width:26px;height:26px;display:block}.masthead nav{align-items:center;gap:1.5rem;font-size:.9375rem;font-weight:500;display:flex}.masthead nav a{color:var(--muted);text-decoration:none}.masthead nav a:hover{color:var(--paper)}.hero{padding-block:clamp(3rem,8vw,6rem) clamp(3rem,7vw,5rem)}.hero h1{letter-spacing:-.035em;max-width:21ch;margin:0;font-size:clamp(2.25rem,1.3rem + 4.2vw,4rem);font-weight:800;line-height:1.04}.hero h1 span{display:block}.hero h1 span:last-child{color:var(--muted)}.hero p{max-width:var(--measure);color:var(--muted);margin:1.5rem 0 0}.path{border:1px solid var(--line);background:linear-gradient(180deg, var(--panel), var(--ink-deep));border-radius:10px;grid-template-columns:1fr auto 1fr;align-items:stretch;gap:0;margin-block:clamp(2.5rem,6vw,4rem);display:grid;overflow:hidden}.station{min-width:0;padding:clamp(1.25rem,3vw,1.75rem)}.station-head{align-items:center;gap:.5rem;font-size:.9375rem;font-weight:600;display:flex}.lamp{width:8px;height:8px;box-shadow:0 0 0 4px color-mix(in srgb, currentColor 18%, transparent);background:currentColor;border-radius:50%;flex:none}.station-send .station-head{color:var(--send)}.station-receive .station-head{color:var(--receive)}.station dl{gap:.5rem;margin:1.125rem 0 0;display:grid}.station dl>div{border-top:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:1rem;padding-top:.5rem;display:flex}.station dt{color:var(--muted);font-size:.875rem}.station dd{text-align:right;overflow-wrap:anywhere;margin:0;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.8125rem}.link{--run:clamp(4rem, 12vw, 9rem);width:var(--run);border-inline:1px solid var(--line);place-items:center;display:grid;position:relative}.link span{color:var(--muted);background:var(--ink-deep);z-index:1;text-align:center;padding:.25rem .5rem;font-size:.75rem;line-height:1.3;position:relative}.link:before{content:"";inset-inline:0;background:linear-gradient(90deg, var(--send), var(--receive));opacity:.45;height:1px;position:absolute;top:50%}.link:after{content:"";background:var(--paper);width:5px;height:5px;box-shadow:0 0 10px 2px color-mix(in srgb, var(--receive) 70%, transparent);will-change:transform;border-radius:50%;animation:2.6s cubic-bezier(.4,0,.6,1) infinite travel;position:absolute;top:calc(50% - 2px);left:-3px}@keyframes travel{0%{opacity:0;transform:translate(0)}12%{opacity:1}88%{opacity:1}to{transform:translateX(var(--run));opacity:0}}@media (prefers-reduced-motion:reduce){.link:after{animation:none;left:50%;transform:none}}.actions{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}.download{background:var(--paper);color:var(--ink-deep);font:inherit;border-radius:7px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;display:inline-block}.download:hover{background:#fff}.meta{color:var(--muted);margin:0;font-size:.875rem}section{border-top:1px solid var(--line);padding-block:clamp(3rem,7vw,4.5rem)}h2{letter-spacing:-.02em;margin:0 0 2rem;font-size:clamp(1.375rem,1.2rem + .8vw,1.75rem);font-weight:700}.roles{grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);display:grid}.role h3{align-items:center;gap:.5rem;margin:0 0 .75rem;font-size:1.125rem;font-weight:600;display:flex}.role-send h3{color:var(--send)}.role-receive h3{color:var(--receive)}.role p{color:var(--muted);max-width:46ch;margin:0 0 .875rem}.role p:last-child{margin-bottom:0}.role strong{color:var(--paper);font-weight:500}.capabilities{gap:0;margin:0;display:grid}.capabilities>div{border-top:1px solid var(--line);grid-template-columns:14rem 1fr;align-items:baseline;gap:1.5rem;padding-block:1.125rem;display:grid}.capabilities>div:first-child{border-top:0;padding-top:0}.capabilities dt{font-weight:600}.capabilities dd{color:var(--muted);max-width:52ch;margin:0}.steps{counter-reset:step;gap:1.5rem;margin:0;padding:0;list-style:none;display:grid}.steps li{counter-increment:step;grid-template-columns:2rem 1fr;align-items:start;gap:1.25rem;display:grid}.steps li:before{content:counter(step);font-variant-numeric:tabular-nums;color:var(--send);border:1px solid var(--line);border-radius:50%;place-items:center;width:2rem;height:2rem;font-size:.875rem;font-weight:600;display:grid}.steps h3{margin:.2rem 0 .4rem;font-size:1.0625rem;font-weight:600}.steps p{color:var(--muted);max-width:54ch;margin:0}.steps a{color:var(--paper)}footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:1rem 2rem;padding-block:2.5rem 3.5rem;font-size:.875rem;display:flex}footer nav{gap:1.5rem;display:flex}footer p{max-width:40ch;margin:0}@media (width<=46rem){.path{grid-template-columns:1fr}.link{--run:4.5rem;width:auto;height:var(--run);border-inline:0;border-block:1px solid var(--line)}.link:before{inset-inline:auto;background:linear-gradient(180deg, var(--send), var(--receive));width:1px;height:auto;top:0;bottom:0;left:50%}.link:after{animation-name:travel-down;top:-3px;left:calc(50% - 2px)}@keyframes travel-down{0%{opacity:0;transform:translateY(0)}12%{opacity:1}88%{opacity:1}to{transform:translateY(var(--run));opacity:0}}.roles{grid-template-columns:1fr}.capabilities>div{grid-template-columns:1fr;gap:.25rem}}