:root{--blue:#2F80FF;--blue2:#6BC7FF;--green:#34D399;--danger:#ff6b7d;--bg:var(--hvt-bg,#f5f7fb);--surface:var(--hvt-surface,#fff);--text:var(--hvt-text,#101828);--muted:var(--hvt-muted,#52606d);--line:var(--hvt-line,rgba(47,128,255,.22));--mono:"IBM Plex Mono",monospace;--sans:"Space Grotesk",system-ui,sans-serif;--display:"Michroma","Space Grotesk",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 var(--sans)}a{color:var(--blue)}button,input,textarea,select{font:inherit}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.hero{padding:70px 0 42px;background:radial-gradient(circle at 80% 10%,rgba(47,128,255,.16),transparent 42%),var(--bg)}.eyebrow,.panel-kicker{color:var(--blue);font:700 13px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase}.hero h1{font:400 clamp(34px,5.7vw,68px)/1.05 var(--display);max-width:980px;margin:14px 0 18px;letter-spacing:-.035em}.lede{font-size:clamp(17px,2vw,21px);max-width:820px;color:var(--muted)}.boundary{margin-top:22px;border:1px solid rgba(52,211,153,.45);background:rgba(52,211,153,.08);padding:14px 16px;border-radius:12px;max-width:900px}.studio{padding-bottom:70px}.stepper{display:grid;grid-template-columns:repeat(6,1fr);list-style:none;padding:0;margin:0 0 22px;gap:8px}.stepper li{font:700 12px/1.25 var(--mono);color:var(--muted);border-top:2px solid var(--line);padding-top:9px}.stepper li span{display:inline-grid;place-items:center;width:22px;height:22px;border:1px solid var(--line);border-radius:50%;margin-right:6px}.stepper li.active{color:var(--blue);border-color:var(--blue)}.stepper li.done{color:var(--green);border-color:var(--green)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:clamp(22px,4vw,42px);box-shadow:0 18px 60px rgba(12,30,66,.09)}.panel h2,.terms h2{font:400 clamp(26px,3vw,38px)/1.15 var(--display);margin:6px 0 10px}.panel h3{font:700 20px/1.25 var(--sans);margin:30px 0 10px}.panel-copy{color:var(--muted);max-width:780px}.grid{display:grid;gap:18px;margin:24px 0}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}label{display:grid;gap:8px;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:11px;padding:13px 14px;background:var(--bg);color:var(--text)}input:focus,textarea:focus,select:focus{outline:3px solid rgba(47,128,255,.2);border-color:var(--blue)}.seed-row,.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.seed-row button,.choice{border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:999px;padding:9px 13px;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:12px 18px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-weight:800}.btn.primary{background:var(--blue);color:#fff}.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}.btn.danger{background:transparent;color:var(--danger);border-color:rgba(255,107,125,.5)}.btn:focus-visible,.seed-row button:focus-visible,.choice:focus-visible{outline:3px solid rgba(47,128,255,.28);outline-offset:2px}.error{margin-top:16px;padding:12px 14px;border:1px solid rgba(255,107,125,.5);background:rgba(255,107,125,.08);border-radius:10px;color:var(--text)}.entity{border:1px solid var(--line);background:var(--bg);border-radius:14px;padding:20px}.entity-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.confidence{font:700 12px/1.2 var(--mono);color:var(--green);text-transform:uppercase}.facts{display:grid;gap:12px;margin:18px 0 0}.fact{border-left:3px solid var(--blue);padding-left:13px}.fact p{margin:0 0 4px}.fact small{color:var(--muted)}.confirm{grid-template-columns:22px 1fr;align-items:start;margin-top:20px;font-weight:500}.confirm input{width:18px;height:18px;margin-top:3px}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}.choice{border-radius:14px;text-align:left;padding:17px}.choice[aria-checked=true]{border-color:var(--blue);box-shadow:0 0 0 2px rgba(47,128,255,.2)}.choice strong{display:block;font-size:17px;margin-bottom:5px}.choice span{display:block;color:var(--muted);font-size:14px}.contract{display:grid;grid-template-columns:170px 1fr;border:1px solid var(--line);border-radius:14px;overflow:hidden}.contract dt,.contract dd{margin:0;padding:12px 14px;border-bottom:1px solid var(--line)}.contract dt{font:700 13px/1.5 var(--mono);color:var(--blue);background:rgba(47,128,255,.06)}.architecture{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:stretch}.arch-node{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--bg);position:relative}.arch-node:not(:last-child)::after{content:"→";position:absolute;right:-9px;top:50%;color:var(--blue);z-index:2}.arch-node b{display:block;color:var(--blue);font:700 12px/1.3 var(--mono);text-transform:uppercase}.arch-node span{display:block;font-size:14px;margin-top:6px}pre{background:#08111f;color:#dce9ff;border-radius:14px;padding:18px;overflow:auto;max-height:420px;font:13px/1.55 var(--mono)}.test-result{padding:13px 15px;border:1px solid var(--line);border-radius:10px;margin-top:14px}.test-result.pass{border-color:rgba(52,211,153,.6);background:rgba(52,211,153,.08)}.test-result.fail{border-color:rgba(255,107,125,.6);background:rgba(255,107,125,.08)}.brief{border:1px solid var(--line);border-radius:14px;padding:26px;background:var(--bg)}.brief h3{margin-top:0}.brief table{width:100%;border-collapse:collapse}.brief td,.brief th{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:9px}.brief ul{padding-left:20px}.terms{padding-bottom:70px}.contract-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.contract-grid div{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--surface)}.contract-grid strong,.contract-grid span{display:block}.contract-grid strong{color:var(--blue)}.contract-grid span{color:var(--muted);font-size:14px;margin-top:5px}footer{border-top:1px solid var(--line);padding:24px 0 42px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-inner nav{display:flex;gap:14px;flex-wrap:wrap}.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}
@media(max-width:760px){.stepper{grid-template-columns:repeat(3,1fr)}.grid.two,.choice-grid,.contract-grid{grid-template-columns:1fr}.architecture{grid-template-columns:1fr}.arch-node:not(:last-child)::after{content:"↓";right:50%;top:auto;bottom:-14px}.contract{grid-template-columns:1fr}.contract dt{border-bottom:0}.hero{padding-top:48px}.panel{padding:22px 18px}}
@media(prefers-reduced-motion:no-preference){.panel.active{animation:rise .24s ease}@keyframes rise{from{opacity:.4;transform:translateY(8px)}to{opacity:1;transform:none}}}