:root{--ink:#120c36;--muted:#5f5b85;--bg:#f7f6ff;--card:#fff;--line:#e3e0f8;--brand:#5a3cff;--brand-d:#3b22cf;--brand-l:#ece8ff;--mint:#14d39a;--mint-d:#07a273;--code:#17104a;--head:"Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;color:inherit}button:disabled{opacity:.7;cursor:wait}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.container{width:min(1080px,92%);margin:auto}
h1,h2,h3{font-family:var(--head)}
header{position:sticky;top:0;z-index:20;background:rgba(247,246,255,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
nav{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:9px;font:800 23px var(--head);letter-spacing:-.6px}.logo span{color:var(--brand)}
.mark{width:28px;height:28px;border-radius:9px;background:var(--brand);display:grid;place-items:center}.mark svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.nav-links{display:flex;align-items:center;gap:22px;font-size:15px;font-weight:500;color:var(--muted)}.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 20px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:700 15px var(--head);transition:.15s}
.btn:hover{border-color:var(--brand)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn-light{background:#fff;border-color:#fff;color:var(--brand-d)}.btn-light:hover{background:#f0ecff;border-color:#f0ecff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:8px 14px;font-size:13px}
.btn-spinner{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;display:inline-block;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.ico{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#2a16a6 0%,#5a3cff 62%,#7d5fff 100%);color:#fff;padding:60px 0 76px}
.hero::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero::after{content:"";position:absolute;width:300px;height:300px;left:-100px;bottom:-160px;border-radius:50%;background:rgba(20,211,154,.18)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
h1{font-size:clamp(38px,6.2vw,66px);line-height:1.02;font-weight:800;letter-spacing:-2.4px}
.lead{margin:20px 0 28px;color:rgba(255,255,255,.84);font-size:18px;max-width:470px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips span{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);padding:6px 13px;border-radius:99px;font-size:13px}.chips .ico{width:13px;height:13px;color:var(--mint)}
.stage{max-width:420px;width:100%;justify-self:center}
.paper{position:relative;overflow:hidden;background:#fff;color:var(--ink);border-radius:18px;padding:22px 22px 28px;transform:rotate(-1.5deg);box-shadow:0 30px 60px -18px rgba(10,4,60,.6)}
.p-top{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted)}
.p-chip{font:500 11px var(--mono);background:var(--brand-l);color:var(--brand-d);padding:2px 9px;border-radius:99px}
.p-amt{font:800 48px/1.1 var(--head);margin:10px 0 2px;letter-spacing:-1.5px}
.p-from{font-size:14px;color:var(--muted)}.p-from b{color:var(--ink)}
.paper dl{margin-top:16px;border-top:1.5px dashed var(--line)}
.paper dl div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1.5px dashed var(--line);font-size:13px}
.paper dt{color:var(--muted)}.paper dd{font-family:var(--mono);font-size:12.5px;text-align:right}
.scan{position:absolute;left:0;right:0;top:0;height:3px;background:var(--mint);box-shadow:0 0 16px var(--mint);opacity:0}
.stamp{position:absolute;right:16px;bottom:14px;border:3px solid var(--mint-d);color:var(--mint-d);padding:2px 12px;border-radius:8px;font:600 15px var(--mono);letter-spacing:.5px;opacity:0;transform:rotate(-8deg) scale(1.7)}
.run .scan{animation:sweep .9s .4s ease-in-out 1}.run .stamp{animation:stamp .35s 1.1s forwards}
@keyframes sweep{0%{top:0;opacity:1}100%{top:100%;opacity:1}}
@keyframes stamp{to{opacity:1;transform:rotate(-8deg) scale(1)}}
.link{height:40px;margin-left:34px;border-left:2px dashed rgba(255,255,255,.5);display:flex;align-items:center;padding-left:14px;font:500 12px var(--mono);color:rgba(255,255,255,.85)}
.verdict{background:var(--code);border-radius:14px;padding:16px 18px;opacity:0;transform:translateY(10px);box-shadow:0 20px 50px -15px rgba(10,4,60,.7)}
.run .verdict{animation:rise .5s 1.6s forwards}@keyframes rise{to{opacity:1;transform:none}}
.verdict pre{font:12.5px/1.7 var(--mono);color:#d9d4ff;white-space:pre-wrap}
.k{color:#a99bff}.s{color:#ffd98a}.n{color:#4ff0bd}
section{padding:72px 0}
.head{max-width:620px;margin:0 auto 36px;text-align:center}
h2{font-size:clamp(28px,4.4vw,40px);line-height:1.1;letter-spacing:-1.3px;font-weight:800}.head p{margin-top:12px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 30px -18px rgba(90,60,255,.35)}
.step b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font:700 15px var(--head);margin-bottom:16px}
.step h3{font-size:19px;margin-bottom:6px}.step p{color:var(--muted);font-size:15px}
.gs-card{max-width:880px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:0 20px 50px -25px rgba(90,60,255,.4)}
.gs{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}.gs.in{grid-template-columns:.85fr 1.15fr}
.gs-copy h2{font-size:clamp(26px,4vw,34px)}.gs-copy p{margin:12px 0 22px;color:var(--muted)}
.status{margin-top:14px;color:var(--muted);font:13px var(--mono);overflow-wrap:anywhere}
.dashboard{padding:4px 0}
.dashboard-row{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.label{color:var(--muted)}.value{overflow-wrap:anywhere;text-align:right}
.field{display:block;margin-bottom:12px}.field span{display:block;font:500 12px var(--mono);color:var(--muted);margin-bottom:5px}
.in,.key-box{width:100%;padding:11px 13px;background:#f6f4ff;color:var(--ink);border:1.5px solid var(--line);border-radius:11px;font:13px var(--mono)}
.in:focus,.key-box:focus{border-color:var(--brand);outline:0;background:#fff}
.keywrap{position:relative}.keywrap .ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--brand);width:17px;height:17px}.keywrap .key-box{padding-left:42px}
.dashboard-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.hidden{display:none!important}
dialog{margin:auto;width:min(420px,90vw);background:#fff;color:var(--ink);border:0;border-radius:20px;padding:28px;box-shadow:0 30px 80px rgba(18,12,54,.45)}
dialog::backdrop{background:rgba(18,12,54,.55);backdrop-filter:blur(3px)}
dialog h3{font-size:22px;margin-bottom:8px}dialog p{color:var(--muted);font-size:15px}
.dlg-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
footer{padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}.footer-inner a:hover{color:var(--ink)}
/* docs page */
.page-head{padding:50px 0 10px}.page-head h1{font-size:clamp(34px,5vw,50px);letter-spacing:-1.8px}.page-head p{margin-top:10px;color:var(--muted);max-width:560px;font-size:17px}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;margin-top:18px}
.panel h2{font-size:24px;letter-spacing:-.6px;margin-bottom:4px}.panel>p{color:var(--muted);font-size:15px}
.ep{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:14px 0 4px;font:14px var(--mono)}
.m{background:var(--brand-l);color:var(--brand-d);padding:3px 10px;border-radius:7px;font-weight:600}
.copy{margin-left:auto}
.sub{font:500 12px var(--mono);color:var(--muted);margin:20px 0 8px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 10px}
.tab{padding:7px 14px;border:1.5px solid var(--line);border-radius:99px;background:#fff;color:var(--muted);font:500 12px var(--mono)}
.tab[aria-selected=true]{border-color:var(--brand);color:var(--brand-d);background:var(--brand-l)}
pre.block,code.block{display:block;background:var(--code);border-radius:12px;padding:15px;font:12.5px/1.7 var(--mono);color:#d9d4ff;overflow-x:auto;white-space:pre}
.tw{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:500 12px var(--mono);color:var(--muted)}td:first-child{font-family:var(--mono);color:var(--brand-d);white-space:nowrap}
.try{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.try .panel{margin-top:0}
.out{min-height:230px}
.qr-box{display:grid;place-items:center;min-height:230px;border:2px dashed var(--line);border-radius:12px;color:var(--muted);font:12px var(--mono);padding:10px;text-align:center}
.qr-box img{max-width:200px;background:#fff;padding:8px;border-radius:8px}
@media(max-width:820px){.hero-grid,.try,.gs.in{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.hero{padding-top:40px}.copy{margin-left:0}.gs-card{padding:24px}.dashboard-row{flex-direction:column;gap:2px}.value{text-align:left}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}.stamp{opacity:1;transform:rotate(-8deg)}.verdict{opacity:1;transform:none}}