.rb-page{--rb-ink:#1f211f;--rb-body:#555952;--rb-muted:#858b82;--rb-line:#dfe2dc;--rb-line-strong:#c7ccc3;--rb-paper:#fff;--rb-soft:#f5f6f2;--rb-blue:#3d5d9a;--rb-green:#3f7559;--rb-amber:#8b6729;color:var(--rb-ink);margin:0 auto;max-width:960px;padding:42px 28px 72px}.rb-page *,.rb-page :after,.rb-page :before{box-sizing:border-box}.rb-nav{align-items:center;display:flex;justify-content:space-between;margin-bottom:86px}.rb-footer a,.rb-nav a{align-items:center;color:var(--rb-body);display:inline-flex;font-size:.78rem;gap:7px;text-decoration:none}.rb-footer a:hover,.rb-nav a:hover{color:var(--rb-ink);text-decoration:underline;text-underline-offset:4px}.rb-footer svg,.rb-nav svg{height:14px;width:14px}.rb-logo{height:auto;width:152px}.rb-header,.rb-prose{margin-left:auto;margin-right:auto;max-width:700px}.rb-header{margin-bottom:72px}.rb-kicker{color:var(--rb-muted);font-size:.72rem;letter-spacing:0;margin-bottom:20px}.rb-header h1{font-size:3.05rem;font-weight:650;letter-spacing:0;line-height:1.08;text-wrap:balance}.rb-intro{color:var(--rb-body);font-size:1.08rem;line-height:1.7;margin-top:24px;max-width:680px;text-wrap:pretty}.rb-intro p+p{margin-top:14px}.rb-prose{margin-top:70px}.rb-prose h2{font-size:1.7rem;font-weight:650;letter-spacing:0;line-height:1.3;margin-bottom:20px}.rb-prose>p{color:var(--rb-body);font-size:1rem;line-height:1.8;margin-top:18px;text-wrap:pretty}.rb-prose>p:first-child{margin-top:0}.rb-prose a{color:var(--rb-ink);text-decoration:underline;text-decoration-color:#a8ada5;text-underline-offset:4px}.rb-prose a:hover{text-decoration-color:currentColor}.rb-prose h3{font-size:1rem;font-weight:650;line-height:1.4}.rb-prose ul{color:var(--rb-body);font-size:.9rem;line-height:1.65;list-style:disc;margin:16px 0 0;padding-left:20px}.rb-prose li+li{margin-top:7px}.rb-prose code{background:var(--rb-soft);border-radius:3px;color:var(--rb-ink);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.83em;padding:2px 4px}.rb-prose pre{background:#222522;border-radius:6px;color:#f3f4ef;margin-top:16px;overflow-x:auto;padding:16px 18px}.rb-prose pre code{background:transparent;color:inherit;font-size:.73rem;line-height:1.65;padding:0}.rb-contract-summary{border-bottom:1px solid var(--rb-line);margin:28px 0}.rb-contract-summary>div{border-top:1px solid var(--rb-line);display:grid;gap:24px;grid-template-columns:170px 1fr;padding:17px 0}.rb-contract-summary strong{font-size:.8rem}.rb-contract-summary p{color:var(--rb-body);font-size:.84rem;line-height:1.55}.rb-graph{background-color:var(--rb-paper);background-image:linear-gradient(rgba(57,61,56,.045) 1px,transparent 0),linear-gradient(90deg,rgba(57,61,56,.045) 1px,transparent 0);background-size:28px 28px;border:1px solid var(--rb-line-strong);border-radius:8px;box-shadow:2px 3px 0 #e9ebe6;margin:58px 0 74px;overflow:hidden}.rb-graph figcaption{align-items:center;background:hsla(80,23%,97%,.92);border-bottom:1px solid var(--rb-line);color:var(--rb-muted);display:flex;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.61rem;justify-content:space-between;letter-spacing:0;padding:11px 14px;text-transform:uppercase}.rb-contracts{align-items:stretch;display:grid;grid-template-columns:1fr 70px 1fr;margin:38px auto 0;max-width:680px;padding:0 22px}.rb-node{background:hsla(0,0%,100%,.96);border:1px solid var(--rb-line-strong);border-radius:5px}.rb-contract-node{display:flex;flex-direction:column;min-height:104px;padding:16px}.rb-contract-node small{color:var(--rb-muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.58rem;text-transform:uppercase}.rb-contract-node strong{font-size:.88rem;font-weight:650;margin-top:9px}.rb-contract-node>span{color:var(--rb-muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.58rem;line-height:1.5;margin-top:6px}.rb-connector{align-items:center;display:flex;overflow:hidden;position:relative}.rb-connector:before{background:var(--rb-line-strong);content:"";height:1px;left:0;position:absolute;right:0}.rb-connector:after{border-bottom:4px solid transparent;border-left:6px solid var(--rb-line-strong);border-top:4px solid transparent;content:"";position:absolute;right:0}.rb-connector span{animation:rb-contract-flow 3.4s ease-in-out infinite;background:var(--rb-blue);border:2px solid var(--rb-paper);border-radius:50%;height:8px;position:absolute;width:8px;z-index:1}.rb-feed{height:38px;margin:0 auto;position:relative;width:1px}.rb-feed:before{background:var(--rb-line-strong);content:"";inset:0;position:absolute}.rb-feed:after{border-left:4px solid transparent;border-right:4px solid transparent;border-top:6px solid var(--rb-line-strong);bottom:0;content:"";left:-3.5px;position:absolute}.rb-feed span{animation:rb-feed-down 3.4s ease-in-out 1.25s infinite;background:var(--rb-blue);border-radius:50%;height:6px;left:-2.5px;opacity:0;position:absolute;top:0;width:6px;z-index:1}.rb-round{background:hsla(80,20%,97%,.94);border:1px solid var(--rb-line);border-radius:6px;margin:0 28px;padding:18px 22px 42px;position:relative}.rb-round-label{align-items:baseline;display:flex;gap:10px;margin-bottom:22px}.rb-round-label span{color:var(--rb-muted);font-size:.59rem;text-transform:uppercase}.rb-round-label span,.rb-round-label strong{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.rb-round-label strong{font-size:.64rem;font-weight:520}.rb-track{display:grid;gap:42px;grid-template-columns:repeat(4,minmax(0,1fr));position:relative}.rb-track-line{background:var(--rb-line-strong);height:1px;left:11%;position:absolute;right:11%;top:31px}.rb-track-line span{animation:rb-candidate-run 11s ease-in-out infinite;background:var(--rb-blue);border:3px solid #f8f9f6;border-radius:50%;box-shadow:0 0 0 1px rgba(61,93,154,.28);height:11px;left:0;position:absolute;top:-5px;width:11px;z-index:3}.rb-round-node{align-items:center;display:flex;justify-content:center;min-height:64px;padding:10px;position:relative;z-index:2}.rb-round-node strong{font-size:.78rem;font-weight:650}.rb-release-node{border-color:#aabdaf;color:var(--rb-green)}.rb-return{bottom:18px;height:12px;left:10.5%;overflow:hidden;position:absolute;right:36.5%}.rb-return i{border-bottom:1px dashed #8fa1bf;bottom:2px;left:0;position:absolute;right:0}.rb-return i:before{border-bottom:3px solid transparent;border-right:5px solid #8fa1bf;border-top:3px solid transparent;bottom:-3.5px;content:"";left:0;position:absolute}.rb-return span{animation:rb-candidate-return 11s ease-in-out infinite;background:var(--rb-blue);border-radius:50%;bottom:0;height:6px;opacity:0;position:absolute;right:0;width:6px;z-index:1}.rb-return-label{bottom:7px;color:var(--rb-blue);font-size:.56rem;left:50%;position:absolute;transform:translateX(-50%)}.rb-outcomes{border-top:1px solid var(--rb-line);display:grid;grid-template-columns:repeat(3,1fr);margin-top:30px}.rb-outcome{min-height:106px;padding:19px 20px}.rb-outcome+.rb-outcome{border-left:1px solid var(--rb-line)}.rb-outcome strong{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.63rem;font-weight:540}.rb-outcome p{color:var(--rb-body);font-size:.73rem;line-height:1.55;margin-top:8px}.rb-next strong{color:var(--rb-blue)}.rb-complete strong{color:var(--rb-green)}.rb-review strong{color:var(--rb-amber)}.rb-detail-list{border-bottom:1px solid var(--rb-line);margin:28px 0}.rb-detail-list>div{border-top:1px solid var(--rb-line);display:grid;gap:24px;grid-template-columns:170px 1fr;padding:16px 0}.rb-detail-list strong{font-size:.79rem;font-weight:650}.rb-detail-list p{color:var(--rb-body);font-size:.82rem;line-height:1.55}.rb-prose .rb-takeaway,.rb-prose blockquote{border-left:2px solid var(--rb-blue);color:var(--rb-ink);font-size:1.05rem;line-height:1.6;margin:30px 0 0;padding:3px 0 3px 19px}.rb-graph-note{margin-top:-34px}.rb-stage{border-top:1px solid var(--rb-line);padding:25px 0 7px}.rb-stage:first-of-type{margin-top:28px}.rb-stage>p{color:var(--rb-body);font-size:.9rem;line-height:1.7;margin-top:12px}.rb-runtime{background-color:var(--rb-paper);background-image:linear-gradient(rgba(57,61,56,.045) 1px,transparent 0),linear-gradient(90deg,rgba(57,61,56,.045) 1px,transparent 0);background-size:28px 28px;border:1px solid var(--rb-line-strong);border-radius:8px;margin:38px 0 70px;overflow:hidden}.rb-runtime figcaption{background:hsla(80,23%,97%,.92);border-bottom:1px solid var(--rb-line);color:var(--rb-muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.61rem;padding:11px 14px;text-transform:uppercase}.rb-runtime-row{align-items:center;display:grid}.rb-runtime-main{gap:9px;grid-template-columns:.6fr 16px 1.1fr 16px 1.1fr 16px 1.1fr;padding:34px 24px 26px}.rb-runtime-main span{align-items:center;background:hsla(0,0%,100%,.96);border:1px solid var(--rb-line-strong);border-radius:5px;display:flex;font-size:.72rem;font-weight:650;justify-content:center;min-height:64px;padding:10px;text-align:center}.rb-runtime-main i{color:var(--rb-blue);font-size:.9rem;font-style:normal;text-align:center}.rb-runtime-support{border-top:1px solid var(--rb-line);grid-template-columns:repeat(2,1fr)}.rb-runtime-support span{color:var(--rb-body);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.61rem;padding:16px;text-align:center;text-transform:uppercase}.rb-runtime-support span+span{border-left:1px solid var(--rb-line)}.rb-runtime-copy{margin-top:-30px}.rb-value-blocks{background:var(--rb-soft);border:1px solid var(--rb-line-strong);border-radius:6px;margin-top:36px;padding:26px 28px}.rb-value-blocks>p{color:var(--rb-body);font-size:.84rem;line-height:1.6;margin-top:10px}.rb-value-blocks>p:first-child{margin-top:0}.rb-closing{border-top:1px solid var(--rb-line);padding-top:56px}.rb-conclusion>p:last-child{color:var(--rb-ink);font-weight:600}.rb-footer{border-top:1px solid var(--rb-line);margin-top:76px;padding-top:22px}@keyframes rb-contract-flow{0%,14%{left:-5px;opacity:0}24%,78%{opacity:1}90%,to{left:calc(100% - 5px);opacity:0}}@keyframes rb-feed-down{0%{opacity:0;top:0}18%,78%{opacity:1}to{opacity:0;top:calc(100% - 6px)}}@keyframes rb-candidate-run{0%{left:0;opacity:0}3%{opacity:1}18%{left:33.333%}34%{left:66.666%;opacity:1}38%,45%{left:66.666%;opacity:0}48%{left:0;opacity:0}52%{left:0;opacity:1}67%{left:33.333%}82%{left:66.666%}95%{left:100%;opacity:1}to{left:100%;opacity:0}}@keyframes rb-candidate-return{0%,34%{opacity:0;right:0}38%,46%{opacity:1}46%{right:calc(100% - 6px)}48%,to{opacity:0;right:calc(100% - 6px)}}@media (max-width:720px){.rb-page{padding:30px 20px 54px}.rb-nav{margin-bottom:64px}.rb-header h1{font-size:2.35rem;line-height:1.12}.rb-intro{font-size:1rem}.rb-prose{margin-top:58px}.rb-graph{margin:48px 0 62px}.rb-runtime-main{gap:6px;grid-template-columns:1fr;padding:24px 18px}.rb-runtime-main i{transform:rotate(90deg)}}@media (max-width:560px){.rb-logo{width:128px}.rb-contracts{grid-template-columns:1fr;padding:0 16px}.rb-connector{height:34px;margin:0 auto;width:1px}.rb-connector:before{bottom:0;height:auto;right:auto;top:0;width:1px}.rb-connector:after{border-left:4px solid transparent;border-right:4px solid transparent;border-top:6px solid var(--rb-line-strong);bottom:0;right:-3.5px}.rb-connector span{display:none}.rb-round{margin:0 12px;overflow:hidden;padding:16px 14px}.rb-track{gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.rb-return,.rb-track-line{display:none}.rb-return-label{display:block;margin-top:14px;position:static;text-align:center;transform:none}.rb-outcomes{grid-template-columns:1fr}.rb-outcome{min-height:auto}.rb-outcome+.rb-outcome{border-left:0;border-top:1px solid var(--rb-line)}.rb-contract-summary>div,.rb-detail-list>div{gap:7px;grid-template-columns:1fr}.rb-runtime-support{grid-template-columns:1fr}.rb-runtime-support span+span{border-left:0;border-top:1px solid var(--rb-line)}.rb-value-blocks{padding:22px 20px}}@media (prefers-reduced-motion:reduce){.rb-page *,.rb-page :after,.rb-page :before{animation-duration:.01ms!important;animation-iteration-count:1!important}.rb-track-line span{left:66.666%;opacity:1}.rb-connector span,.rb-feed span,.rb-return span{display:none}}