*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:112px;-webkit-text-size-adjust:100%}
body{background:var(--abk-bg);color:var(--abk-text);font-family:var(--abk-font-body);font-size:17px;line-height:1.6;letter-spacing:-.01em;overflow-x:hidden}
body.nav-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%}
::selection{background:var(--abk-brand);color:#fff}
:focus-visible{outline:2px solid var(--abk-brand);outline-offset:3px;border-radius:3px}
.wrap{width:min(100% - 32px,var(--abk-maxw));margin-inline:auto}
.narrow{max-width:820px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-100px;z-index:1000;background:var(--abk-brand);color:#fff;padding:10px 14px}
.skip-link:focus{top:12px}
.topline{height:3px;background:var(--abk-brand)}
.accent{color:var(--abk-brand)!important}

/* Navigation */
nav{position:sticky;top:0;z-index:300;background:rgba(7,7,9,.97);border-bottom:1px solid var(--abk-line)}
@media(min-width:900px){nav{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;line-height:0;flex:none}
.brand-logo{display:block;width:auto;height:38px;object-fit:contain}
.navlinks{display:flex;align-items:center;gap:20px}
.nav-group{position:relative}
.nav-group-trigger,.nav-direct{border:0;background:none;color:var(--abk-text-muted);font-size:14px;padding:12px 0;white-space:nowrap}
.nav-group-trigger:hover,.nav-direct:hover,.nav-group-trigger[aria-expanded=true]{color:var(--abk-text)}
.nav-group-trigger span{font-size:11px;margin-left:4px}
.nav-menu{position:absolute;left:-16px;top:44px;display:none;min-width:190px;padding:8px;background:var(--abk-surface);border:1px solid var(--abk-line);border-radius:5px}
.nav-group.open .nav-menu{display:block}
.nav-menu a{display:block;padding:10px 11px;color:var(--abk-text-muted);font-size:14px;border-radius:3px}
.nav-menu a:hover,.nav-menu a.on{background:var(--abk-card);color:var(--abk-text)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--abk-line);background:var(--abk-card);border-radius:4px;align-items:center;justify-content:center;padding:0;touch-action:manipulation}
.burger span,.burger span::before,.burger span::after{display:block;width:18px;height:2px;background:var(--abk-text);position:relative;transition:.18s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-6px}.burger span::after{top:6px}
nav.open .burger span{background:transparent}
nav.open .burger span::before{top:0;transform:rotate(45deg)}
nav.open .burger span::after{top:0;transform:rotate(-45deg)}
.nav-cta{padding:10px 16px!important;font-size:14px!important}

.global-status{background:var(--abk-card);border-bottom:1px solid var(--abk-line);font-size:13px;color:var(--abk-text-muted)}
.global-status .wrap{min-height:42px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-block:7px}
.global-status a{margin-left:auto;color:var(--abk-text-soft)}
.global-status a:hover{color:var(--abk-brand)}

/* Type and controls */
h1,h2,h3{font-family:var(--abk-font-display);color:var(--abk-text);font-weight:700}
h1{font-size:clamp(44px,7vw,92px);line-height:.95;letter-spacing:-.035em}
h2{font-size:clamp(30px,4.3vw,52px);line-height:1.04;letter-spacing:-.025em;max-width:22ch}
h3{font-size:21px;line-height:1.2}
.lede{font-size:clamp(18px,2vw,22px);line-height:1.5;color:var(--abk-text-muted);max-width:58ch}
.section-label,.page-eyebrow{font-family:var(--abk-font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--abk-brand);margin-bottom:18px}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:3px;border:1px solid transparent;font-family:var(--abk-font-display);font-weight:600;font-size:15px;line-height:1;transition:transform .16s,border-color .16s,color .16s}
.btn:hover{transform:translateY(-1px)}
.btn-fill,.btn-fill:visited,.btn-fill:hover,.btn-fill:active{background:#0b5cfd!important;border-color:#0b5cfd!important;color:#fff!important;-webkit-text-fill-color:#fff!important;background-image:none!important;background-clip:border-box!important}
.btn-line{background:transparent;border-color:var(--abk-line);color:var(--abk-text-soft)}
.btn-line:hover{border-color:var(--abk-brand);color:var(--abk-brand)}
.fineprint,.source-note{font-size:12.5px;color:var(--abk-text-muted);margin-top:16px}
.fineprint a{color:var(--abk-text-soft);text-decoration:underline}
.status-badge{display:inline-flex;align-items:center;width:max-content;padding:5px 8px;border:1px solid var(--abk-line);border-radius:3px;font-family:var(--abk-font-mono);font-size:10px;line-height:1;letter-spacing:.09em;text-transform:uppercase;color:var(--abk-text-muted);background:var(--abk-card)}
.status-live{border-color:rgba(var(--abk-brand-rgb),.6);color:var(--abk-brand)}
.status-development{border-color:#536078;color:var(--abk-text-soft)}
.status-planned{color:var(--abk-text-muted)}

/* Home */
.home-hero{min-height:calc(100vh - 117px);position:relative;display:flex;align-items:center;border-bottom:1px solid var(--abk-line);overflow:hidden}
.home-hero #grid{position:absolute;inset:0;width:100%;height:100%;opacity:.4;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:clamp(36px,7vw,96px);align-items:center;padding-block:clamp(64px,9vw,120px)}
.hero-copy{font-size:clamp(18px,2vw,22px);color:var(--abk-text-muted);max-width:58ch;margin-top:28px}
.hero-status{display:flex;align-items:center;gap:9px;font-family:var(--abk-font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--abk-text-muted);margin-bottom:28px}
.status-dot{width:7px;height:7px;background:var(--abk-brand);border-radius:50%}
.hero-console{background:var(--abk-surface);border:1px solid var(--abk-line);border-radius:6px;overflow:hidden}
.console-head,.console-row,.console-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 17px;border-bottom:1px solid var(--abk-line)}
.console-head{font-family:var(--abk-font-mono);font-size:12px;color:var(--abk-text-soft);background:var(--abk-card)}
.console-row span{font-size:13px;color:var(--abk-text-muted)}
.console-row b{font-family:var(--abk-font-mono);font-size:13px;font-weight:500;text-align:right}
.reward-bar{height:3px;background:var(--abk-line)}
.reward-bar span{display:block;height:100%;background:var(--abk-brand)}
.console-foot{border:0;font-size:11px;color:var(--abk-text-muted)}
.flow-strip{padding:0;border-bottom:1px solid var(--abk-line);background:var(--abk-card)}
.flow-grid{min-height:62px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:14px;font-family:var(--abk-font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--abk-text-muted)}
.flow-grid i{font-style:normal;color:var(--abk-brand)}

section{padding:clamp(72px,9vw,116px) 0;border-bottom:1px solid var(--abk-line)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,7vw,88px);align-items:start}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--abk-line);border-radius:5px;overflow:hidden;margin-top:38px}
.path-card{padding:28px 24px;background:var(--abk-surface);min-height:280px;display:flex;flex-direction:column;border-right:1px solid var(--abk-line);transition:background .16s}
.path-card:last-child{border-right:0}
.path-card:hover{background:var(--abk-card)}
.path-card>span{font-family:var(--abk-font-mono);font-size:10px;letter-spacing:.13em;color:var(--abk-brand);margin-bottom:26px}
.path-card p{color:var(--abk-text-muted);font-size:15px;margin:14px 0 24px}
.path-card b{margin-top:auto;color:var(--abk-text-soft);font-size:14px}
.economics-panel{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--abk-line);background:var(--abk-surface);border-radius:5px}
.economics-panel>div{padding:25px;border-right:1px solid var(--abk-line);display:flex;flex-direction:column}
.economics-panel>div:nth-child(2){border-right:0}
.economics-panel span{font-size:13px;color:var(--abk-text-muted)}
.economics-panel b{font-family:var(--abk-font-display);font-size:48px;line-height:1;margin:14px 0 8px}
.economics-panel small{color:var(--abk-text-muted)}
.economics-panel>p{grid-column:1/-1;padding:18px 25px;border-top:1px solid var(--abk-line);font-size:14px;color:var(--abk-text-muted)}
.product-system{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--abk-line);border-radius:5px;overflow:hidden;margin-top:36px}
.surface-card{padding:24px 20px;background:var(--abk-surface);border-right:1px solid var(--abk-line)}
.surface-card:last-child{border-right:0}
.surface-card h3{margin-top:22px;font-size:18px}
.surface-card p{font-size:14px;color:var(--abk-text-muted);margin-top:9px}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:36px;border-top:1px solid var(--abk-line);border-bottom:1px solid var(--abk-line)}
.proof-grid div{padding:26px 20px;border-right:1px solid var(--abk-line)}
.proof-grid div:last-child{border:0}
.proof-grid b{display:block;font-family:var(--abk-font-display);font-size:26px;color:var(--abk-brand)}
.proof-grid span{font-size:13px;color:var(--abk-text-muted)}
.comparison-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:36px;border:1px solid var(--abk-line);border-radius:5px;overflow:hidden}
.comparison-grid div{padding:24px;border-right:1px solid var(--abk-line);background:var(--abk-surface)}
.comparison-grid div:last-child{border:0}
.comparison-grid .featured{background:var(--abk-card)}
.comparison-grid span{font-family:var(--abk-font-mono);font-size:11px;color:var(--abk-text-soft);text-transform:uppercase}
.comparison-grid p{font-size:14px;color:var(--abk-text-muted);margin-top:13px}
.milestone-list{border-top:1px solid var(--abk-line)}
.milestone-list>div{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--abk-line)}
.milestone-list span{font-family:var(--abk-font-mono);font-size:11px;color:var(--abk-brand)}
.milestone-list p{color:var(--abk-text-muted);font-size:15px}
.milestone-list b{color:var(--abk-text-soft)}

/* Generic pages */
.page-hero{padding:clamp(68px,9vw,112px) 0;border-bottom:1px solid var(--abk-line)}
.page-hero .status-badge{margin-bottom:22px}
.page-hero h1{max-width:13ch}
.page-hero .lede{margin-top:24px}
.page-eyebrow{margin-bottom:15px}
.surface-card{min-height:220px}
.steps{border-top:1px solid var(--abk-line)}
.step{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--abk-line)}
.step-index{font-family:var(--abk-font-mono);font-size:12px;color:var(--abk-brand)}
.step h3{font-size:19px}
.step p{font-size:15px;color:var(--abk-text-muted);margin-top:7px}
.codeblock{background:var(--abk-card);border:1px solid var(--abk-line);border-radius:4px;padding:20px;font-family:var(--abk-font-mono);font-size:13px;line-height:1.6;color:var(--abk-text-soft);overflow:auto;white-space:pre}
.chat-preview,.chat-window{background:var(--abk-card);border:1px solid var(--abk-line);border-radius:5px;padding:24px;display:flex;flex-direction:column;gap:12px}
.chat-line{max-width:82%;padding:13px 15px;border:1px solid var(--abk-line);border-radius:4px;font-size:15px;color:var(--abk-text-muted)}
.chat-line.user{align-self:flex-end;border-color:var(--abk-brand);color:var(--abk-text-soft)}
.chat-line.assistant{align-self:flex-start}
.chat-meta{font-family:var(--abk-font-mono);font-size:10px;color:var(--abk-text-muted);text-transform:uppercase}
.checklist{border-top:1px solid var(--abk-line);margin-top:34px}
.checklist div{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--abk-line)}
.checklist b{color:var(--abk-text-soft)}
.checklist span{color:var(--abk-text-muted);text-align:right}
.notice{padding:24px;border:1px solid var(--abk-line);border-left:3px solid var(--abk-brand);background:var(--abk-card)}
.notice p{color:var(--abk-text-muted);margin-top:8px}
.docs-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--abk-line);border-radius:5px;overflow:hidden}
.docs-grid a{padding:28px;background:var(--abk-surface);border-right:1px solid var(--abk-line);border-bottom:1px solid var(--abk-line);min-height:210px}
.docs-grid a:nth-child(3n){border-right:0}
.docs-grid a:nth-last-child(-n+3){border-bottom:0}
.docs-grid a:hover{background:var(--abk-card)}
.docs-grid span{font-family:var(--abk-font-mono);font-size:10px;color:var(--abk-brand);letter-spacing:.12em}
.docs-grid h3{margin-top:24px}
.docs-grid p{font-size:15px;color:var(--abk-text-muted);margin-top:10px}
.legal-copy h2{font-size:28px;margin:36px 0 12px}
.legal-copy h2:first-child{margin-top:0}
.legal-copy p{color:var(--abk-text-muted)}
.legal-copy a{color:var(--abk-brand);text-decoration:underline}

/* Roadmap and FAQ */
.roadmap{display:grid;grid-template-columns:repeat(6,1fr);margin-top:36px;border:1px solid var(--abk-line);border-radius:5px;overflow:hidden}
.roadmap-item{position:relative;padding:22px 18px;background:var(--abk-surface);border-right:1px solid var(--abk-line);min-height:230px}
.roadmap-item:last-child{border:0}
.roadmap-item.current{background:var(--abk-card)}
.roadmap-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.roadmap-top>span:first-child{font-family:var(--abk-font-mono);font-size:11px;color:var(--abk-brand)}
.roadmap-item h3{font-size:17px;margin-top:24px}
.roadmap-item p{font-size:13px;color:var(--abk-text-muted);margin-top:9px}
.roadmap-item i{position:absolute;right:-7px;top:50%;z-index:2;width:13px;height:13px;border-top:1px solid var(--abk-brand);border-right:1px solid var(--abk-brand);transform:rotate(45deg);background:var(--abk-surface)}
.roadmap-item.current i{background:var(--abk-card)}
.faq{margin-top:32px}
.faq details{border-top:1px solid var(--abk-line)}
.faq details:last-child{border-bottom:1px solid var(--abk-line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:20px 0;font-family:var(--abk-font-display);font-weight:600;color:var(--abk-text-soft)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--abk-brand)}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--abk-text-muted);padding:0 0 22px;max-width:70ch}

/* Waitlist */
.waitlist-section{background:var(--abk-surface)}
.wl{display:grid;grid-template-columns:1fr auto;gap:10px}
.wl input{min-width:0;padding:14px 15px;border:1px solid var(--abk-line);background:var(--abk-card);color:var(--abk-text);border-radius:3px;font-size:16px}
.wl input:focus{border-color:var(--abk-brand);outline:none}
.wl button[disabled]{opacity:.6}
.msg{min-height:24px;margin-top:12px;font-size:14px}
.msg.ok{color:var(--abk-green)}.msg.err{color:var(--abk-red)}

/* Docs */
.doc-page .page-hero h1{font-size:clamp(38px,6vw,64px);max-width:18ch}
.prose{max-width:900px;margin-inline:auto;color:var(--abk-text-muted);font-size:16px;line-height:1.75}
.prose>h2{font-size:34px;margin:52px 0 18px;color:var(--abk-text)}
.prose>h3{font-size:24px;margin:42px 0 14px;color:var(--abk-text)}
.prose>h4{font-size:19px;margin:32px 0 12px;color:var(--abk-text-soft)}
.prose p,.prose ul,.prose ol,.prose blockquote,.prose .tablewrap,.prose .codeblock{margin-bottom:22px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--abk-text-soft)}
.prose a{color:var(--abk-brand);text-decoration:underline}
.prose code{font-family:var(--abk-font-mono);font-size:.9em}
.prose p code,.prose li code{padding:2px 5px;border:1px solid var(--abk-line);background:var(--abk-card)}
.prose blockquote{padding:18px 20px;border-left:3px solid var(--abk-brand);background:var(--abk-card)}
.prose hr{border:0;border-top:1px solid var(--abk-line);margin:46px 0}
.tablewrap{overflow:auto;border:1px solid var(--abk-line);border-radius:4px}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
th,td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--abk-line)}
th{font-family:var(--abk-font-mono);font-size:11px;letter-spacing:.08em;color:var(--abk-text-soft);background:var(--abk-card)}
tr:last-child td{border-bottom:0}

/* Footer */
footer{padding:58px 0 34px;border-top:1px solid var(--abk-line)}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px}
.footer-brand p{color:var(--abk-text-muted);font-size:14px;margin:14px 0}
.footer-column h4{font-family:var(--abk-font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--abk-text-muted);margin-bottom:14px}
.footer-column a{display:block;color:var(--abk-text-muted);font-size:14px;margin-bottom:8px}
.footer-column a:hover{color:var(--abk-text-soft)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:28px;margin-top:38px;border-top:1px solid var(--abk-line);font-size:13px;color:var(--abk-text-muted)}
.footer-bottom>div{display:flex;gap:18px;flex-wrap:wrap}
.disc{margin-top:18px;color:var(--abk-text-muted);font-size:11.5px;max-width:90ch}

@media(max-width:1050px){
  .path-grid{grid-template-columns:1fr 1fr}.path-card:nth-child(2){border-right:0}.path-card:nth-child(-n+2){border-bottom:1px solid var(--abk-line)}
  .product-system{grid-template-columns:1fr 1fr}.surface-card{border-bottom:1px solid var(--abk-line)}.surface-card:nth-child(2n){border-right:0}.surface-card:last-child{grid-column:1/-1;border-bottom:0}
  .roadmap{grid-template-columns:1fr 1fr 1fr}.roadmap-item:nth-child(3n){border-right:0}.roadmap-item:nth-child(-n+3){border-bottom:1px solid var(--abk-line)}
}
@media(max-width:899px){
  html{scroll-padding-top:76px}
  .burger{display:inline-flex}
  .navlinks{position:fixed;left:0;right:0;top:75px;bottom:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 24px;background:var(--abk-bg);transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;overflow:auto}
  nav.open .navlinks{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav-group{border-bottom:1px solid var(--abk-line)}
  .nav-group-trigger{width:100%;display:flex;justify-content:space-between;padding:16px 4px;text-align:left;font-size:16px}
  .nav-menu{position:static;min-width:0;padding:0 0 12px;border:0;background:transparent}
  .nav-menu a{padding:10px 12px}
  .nav-direct{padding:16px 4px;text-align:left;border-bottom:1px solid var(--abk-line);font-size:16px}
  .nav-cta{margin-top:18px}
  .global-status .wrap{display:grid;grid-template-columns:auto 1fr;padding-block:10px}.global-status a{grid-column:1/-1;margin-left:0}
  .hero-grid,.split{grid-template-columns:1fr}
  .home-hero{min-height:0}
  .hero-console{max-width:600px}
  .flow-grid{grid-template-columns:1fr 1fr;gap:0;padding-block:8px}.flow-grid i{display:none}.flow-grid span{padding:8px}
  .comparison-grid{grid-template-columns:1fr 1fr}.comparison-grid div:nth-child(2){border-right:0}.comparison-grid div:nth-child(-n+2){border-bottom:1px solid var(--abk-line)}
  .docs-grid{grid-template-columns:1fr 1fr}.docs-grid a:nth-child(3n){border-right:1px solid var(--abk-line)}.docs-grid a:nth-child(2n){border-right:0}.docs-grid a:nth-last-child(-n+3){border-bottom:1px solid var(--abk-line)}.docs-grid a:nth-last-child(-n+2){border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}
@media(max-width:640px){
  body{font-size:16px}
  .wrap{width:min(100% - 28px,var(--abk-maxw))}
  .brand-logo{height:32px}
  .path-grid,.comparison-grid,.product-system,.proof-grid,.roadmap,.docs-grid{grid-template-columns:1fr}
  .path-card,.comparison-grid div,.surface-card,.proof-grid div,.roadmap-item,.docs-grid a{border-right:0;border-bottom:1px solid var(--abk-line)}
  .path-card:last-child,.comparison-grid div:last-child,.surface-card:last-child,.proof-grid div:last-child,.roadmap-item:last-child,.docs-grid a:last-child{border-bottom:0}
  .surface-card:last-child{grid-column:auto}
  .roadmap-item i{display:none}
  .economics-panel{grid-template-columns:1fr}.economics-panel>div{border-right:0;border-bottom:1px solid var(--abk-line)}.economics-panel>p{grid-column:1}
  .wl{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}