@font-face{font-family:Archivo;src:url(/fonts/archivo.woff2) format('woff2');font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:Martian;src:url(/fonts/martian-400.woff2) format('woff2');font-display:swap}

:root{
  --paper:#F4F6FA; --white:#FFFFFF; --ink:#0E1C4F; --line:#2B3FD4; --cobalt:#1B2FD9;
  --muted:#56628A; --void:#D2342C; --rule:#C9CFDD; --copybg:#ECEEF3;
  --w70:rgba(255,255,255,.74); --w45:rgba(255,255,255,.48); --w20:rgba(255,255,255,.22);
  --foil:linear-gradient(115deg,#9EE8DD 0%,#C5B5FF 18%,#FFD0B0 34%,#A9D8FF 52%,#D8FFC9 68%,#C9B2FF 84%,#9EE8DD 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}
body{font-family:Archivo,system-ui,sans-serif;font-stretch:100%;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
ol{list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--line);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--white);padding:8px 14px;z-index:10}
.skip:focus{left:8px}
.wrap{max-width:1360px;margin:0 auto;padding:0 40px}
h2{font-stretch:112%;font-weight:720;font-size:clamp(30px,3.4vw,48px);line-height:1.04;letter-spacing:-.018em}

/* microprinting: a rule from afar, text up close */
.micro{height:9px;overflow:hidden;white-space:nowrap;font-size:6px;line-height:9px;letter-spacing:.08em;opacity:.72;user-select:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:46px;padding:0 20px;border-radius:2px;border:1.5px solid var(--ink);background:var(--ink);color:var(--white);font-weight:620;font-stretch:108%;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}
.btn:hover{background:var(--line);border-color:var(--line);color:var(--white)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;padding:20px 0 16px}
.mark{display:flex;align-items:center;gap:12px;text-decoration:none}
.mark svg{width:30px;height:30px}
.mark b{font-stretch:125%;font-weight:800;font-size:21px;letter-spacing:.02em}
.top nav{display:flex;align-items:center;gap:28px}
.top nav a:not(.btn){text-decoration:none;color:var(--muted);font-size:15px}
.top nav a:not(.btn):hover{color:var(--ink)}
.top nav .btn{height:42px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.18fr) 34px minmax(0,.82fr);gap:0 52px;align-items:center;padding:56px 0 72px}
h1{font-stretch:112%;font-weight:780;font-size:clamp(40px,5.5vw,84px);line-height:.95;letter-spacing:-.025em}
h1 span{display:block;white-space:nowrap}
.lede{margin-top:28px;max-width:44ch;font-size:19px;color:var(--muted)}
.lede strong{color:var(--ink);font-weight:620}
.find{margin-top:40px;max-width:600px}
.serial{display:flex;gap:10px;padding:6px;border:1px solid var(--ink);box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 4px var(--ink);background:var(--white)}
.serial:focus-within{border-color:var(--line);box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 4px var(--line)}
.serial input{flex:1;min-width:0;border:0;background:transparent;padding:0 14px;height:48px;font-family:Martian,monospace;font-size:14px;letter-spacing:.03em}
.serial input:focus{outline:none}
.serial input::placeholder{color:#7F89A8}
.serial .btn{height:48px}
.serial .btn[disabled]{opacity:.6;cursor:progress}
.status{margin-top:12px;min-height:24px;font-size:15px;color:var(--muted)}
.status.err{color:var(--void)}
.tries{font-size:15px;color:var(--muted)}
.tries button{border:0;background:none;padding:0;margin-left:8px;text-decoration:underline;text-underline-offset:3px;cursor:pointer;color:var(--ink)}

/* the security strip */
.foil{align-self:stretch;position:relative;background:var(--foil);background-size:100% 320%;background-position:50% var(--fy,40%);transition:background-position .25s linear;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(14,28,79,.12)}
.foil::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(255,255,255,.35) 3px 4px);mix-blend-mode:soft-light}
.foil i{position:absolute;inset:0;writing-mode:vertical-rl;font-style:normal;font-size:7px;letter-spacing:.3em;line-height:34px;text-align:center;color:rgba(14,28,79,.42);white-space:nowrap;overflow:hidden}

.plate{position:relative;aspect-ratio:1;width:100%}
.plate canvas{position:absolute;inset:0;width:100%;height:100%}
.portrait{position:absolute;left:50%;top:50%;width:30%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;overflow:hidden;background:var(--white);box-shadow:0 0 0 1.5px var(--ink),0 0 0 7px var(--white),0 0 0 8px var(--ink);display:grid;place-items:center}
.portrait img,.pic img{width:100%;height:100%;object-fit:cover;display:block}
.portrait b{font-stretch:125%;font-weight:800;font-size:clamp(40px,5vw,72px)}
.plate figcaption{position:absolute;left:0;right:0;bottom:-34px;text-align:center;font-size:13px;color:var(--muted)}

/* result */
.result{padding:72px 0 104px}
.result h2{max-width:24ch}
.grid{margin-top:40px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start}
.note{position:relative;background:var(--white);border:1.5px solid var(--ink);padding-bottom:28px}
.engrave{display:block;width:100%;height:64px;border-bottom:1px solid var(--ink)}
.note-body{display:grid;grid-template-columns:132px minmax(0,1fr);gap:28px;padding:28px 32px 0}
.pic{width:132px;aspect-ratio:1;border-radius:50%;overflow:hidden;box-shadow:0 0 0 1.5px var(--ink),0 0 0 6px var(--white),0 0 0 7px var(--ink);display:grid;place-items:center;background:var(--paper)}
.pic b{font-stretch:125%;font-weight:800;font-size:48px}
.note h3{font-stretch:125%;font-weight:800;font-size:clamp(30px,3.4vw,48px);line-height:1;letter-spacing:-.01em;word-break:break-word}
.note .sym{margin-top:6px;color:var(--muted)}
.serialno{display:block;margin-top:18px;font-family:Martian,monospace;font-size:13px;letter-spacing:.06em;color:var(--void);word-break:break-all}
.facts{margin:26px 32px 0;display:grid;grid-template-columns:1.5fr .7fr 1fr 1fr;border-top:1px solid var(--ink)}
.facts div{padding:14px 14px 0 0}
.facts dt{font-size:13px;color:var(--muted)}
.facts dd{margin-top:2px;font-weight:620;font-stretch:108%;font-variant-numeric:tabular-nums}
.note .acts{display:flex;gap:10px;margin:26px 32px 0;flex-wrap:wrap}
.note .links{display:flex;gap:18px;flex-wrap:wrap;margin:16px 32px 0;font-size:14px;color:var(--muted)}
.note .links a{text-underline-offset:3px}
.tag{display:inline-block;margin-left:10px;padding:1px 9px;border:1px solid var(--line);color:var(--line);font-size:13px;border-radius:999px;vertical-align:1px}

.copies h3{font-weight:660;font-stretch:108%;font-size:18px}
.copies > p{margin-top:4px;color:var(--muted);font-size:15px}
.copy{position:relative;margin-top:14px;padding:16px 18px;background:var(--copybg);border:1px solid #CDD2DE;color:#6B7390;overflow:hidden}
.copy .row{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.copy b{font-weight:650;color:#4E5674;word-break:break-word}
.copy code{font-family:Martian,monospace;font-size:12px}
.copy .when{font-variant-numeric:tabular-nums;font-weight:620;color:#4E5674;white-space:nowrap}
.copy .warn{margin-top:6px;font-size:14px;color:var(--void)}
.copy a{font-size:14px;white-space:nowrap}
.stamp{position:absolute;left:58%;top:50%;transform:translate(-50%,-50%) rotate(-7deg);border:3px solid var(--void);color:var(--void);font-stretch:125%;font-weight:800;font-size:38px;line-height:1;letter-spacing:.16em;padding:6px 8px 4px 16px;opacity:.24;mix-blend-mode:multiply;pointer-events:none}
.more{margin-top:12px;width:100%;height:44px;border:1px dashed var(--muted);background:none;color:var(--ink);cursor:pointer}
.elsewhere{margin-top:22px;font-size:15px;color:var(--muted)}
.none{margin-top:14px;padding:16px 18px;border:1px dashed var(--rule);color:var(--muted)}

/* lineage: the echo field */
.lineage{background:var(--cobalt);color:var(--white);padding:80px 0 40px}
.lineage-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:end}
.lineage-head p{color:var(--w70);max-width:46ch;justify-self:end}
.field{position:relative;margin-top:28px;height:300px}
.axis{position:absolute;left:0;right:0;bottom:56px;height:1.5px;background:var(--w45)}
.tick{position:absolute;bottom:22px;transform:translateX(-50%);font-size:13px;color:var(--w45);font-variant-numeric:tabular-nums}
.tick::before{content:"";position:absolute;left:50%;bottom:26px;width:1px;height:10px;background:var(--w45)}
.zero{position:absolute;left:0;bottom:56px;transform:translate(-2px,50%)}
.zero .dot{width:26px;height:26px;border-radius:50%;background:var(--white);box-shadow:0 0 0 8px rgba(255,255,255,.14)}
.zero .lab{position:absolute;left:0;bottom:44px;white-space:nowrap}
.zero .lab b{display:block;font-stretch:112%;font-size:22px;font-weight:720;line-height:1.1}
.zero .lab span{font-size:14px;color:var(--w70)}
.e{position:absolute;transform:translate(-50%,50%);opacity:0;transition:opacity .5s}
.e.on{opacity:1}
.e .ring{width:16px;height:16px;border-radius:50%;border:2px solid var(--white);position:relative;background:var(--cobalt)}
.e.far .ring{border-style:dashed;border-color:var(--w70)}
.e .ring::before,.e .ring::after{content:"";position:absolute;inset:-2px;border-radius:50%;border:1.5px solid var(--white);opacity:0}
.e.on:not(.still) .ring::before{animation:ripple 1.6s cubic-bezier(.2,.6,.3,1) 1}
.e.on:not(.still) .ring::after{animation:ripple 1.6s cubic-bezier(.2,.6,.3,1) .25s 1}
@keyframes ripple{0%{transform:scale(1);opacity:.8}100%{transform:scale(4.2);opacity:0}}
.e .stem{position:absolute;left:50%;bottom:16px;width:1px;background:var(--w20)}
.e .tag{position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap;font-size:13px;line-height:1.25;text-align:center;color:var(--w70)}
.e .tag b{display:block;color:var(--white);font-weight:640;font-size:14px}
.e.far .tag{color:var(--w45)}
.field-empty{position:absolute;left:0;right:0;top:40%;text-align:center;color:var(--w70)}

/* engine */
.engine{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px;padding:104px 0 96px;align-items:start}
.engine-copy p{margin-top:18px;color:var(--muted);max-width:46ch}
.engine-copy .small{font-size:15px}
.register{background:var(--white);border:1.5px solid var(--ink)}
.register-head{display:flex;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--ink);font-size:13px;color:var(--muted)}
.register li{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--rule)}
.register li:last-child{border-bottom:0}
.register li.empty{display:block;color:var(--muted)}
.register .ic{width:44px;height:44px;border-radius:50%;overflow:hidden;background:var(--paper);display:grid;place-items:center;box-shadow:0 0 0 1px var(--rule)}
.register .ic img{width:100%;height:100%;object-fit:cover}
.register .ic b{font-stretch:125%;font-weight:800}
.register .nm{font-weight:650;word-break:break-word}
.register .sub{font-size:13.5px;color:var(--muted)}
.register .sub code{font-family:Martian,monospace;font-size:12px}
.verdict{text-align:right;font-weight:650;font-stretch:108%;white-space:nowrap}
.verdict small{display:block;font-weight:400;font-size:13px;color:var(--muted)}
.verdict.v-root{color:var(--line)}
.verdict.v-root::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--line);margin-right:8px;box-shadow:0 0 0 3px rgba(43,63,212,.16);vertical-align:1px}
.verdict.v-copy{color:var(--void)}
.register li.pending .verdict{color:var(--muted)}

/* method */
.method{padding:96px 0 104px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;margin-top:44px}
.steps li{counter-increment:s;border-top:1.5px solid var(--ink);padding-top:20px}
.steps li::before{content:counter(s);display:block;font-stretch:125%;font-weight:800;font-size:56px;line-height:1;color:transparent;-webkit-text-stroke:1.2px var(--ink);margin-bottom:18px}
.steps b{font-weight:660;font-stretch:108%;font-size:19px}
.steps p{margin-top:8px;color:var(--muted);font-size:16px}
.fine{margin-top:44px;font-size:14px;color:var(--muted);max-width:80ch}

/* the $ROOT note */
.token{padding:0 0 110px}
.note-big{position:relative;background:var(--white);border:1.5px solid var(--ink);overflow:hidden}
.note-big-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:center;padding:44px 140px 48px 48px}
.denom{font-stretch:125%;font-weight:820;font-size:clamp(64px,9vw,136px);line-height:.9;letter-spacing:-.02em}
.note-line{margin-top:18px;font-size:19px;color:var(--muted);max-width:40ch}
.ca-row{margin-top:24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.ca-row code{font-family:Martian,monospace;font-size:14px;letter-spacing:.06em;color:var(--void);word-break:break-all}
.note-big .acts{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.seal{position:relative;aspect-ratio:1;width:100%}
.seal canvas{position:absolute;inset:0;width:100%;height:100%}
.seal-core{position:absolute;left:50%;top:50%;width:34%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:var(--white);box-shadow:0 0 0 1.5px var(--ink),0 0 0 6px var(--white),0 0 0 7px var(--ink);display:grid;place-items:center;color:var(--ink)}
.seal-core svg{width:56%;height:56%}
.foil-note{position:absolute;top:0;bottom:0;right:56px;width:34px}

.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:22px;padding-bottom:36px;font-size:14px;color:var(--muted)}

@media (max-width:1060px){
  .top nav a:not(.btn){display:none}
  .hero{grid-template-columns:minmax(0,1fr);gap:0;padding-top:28px}
  h1{font-size:clamp(34px,10.4vw,64px)}
  .foil{height:18px;order:3;margin-top:34px;background-size:320% 100%;background-position:var(--fy,40%) 50%}
  .foil i{writing-mode:horizontal-tb;line-height:18px}
  .plate{order:2;max-width:440px;margin:36px auto 30px}
  .grid,.engine,.lineage-head{grid-template-columns:minmax(0,1fr)}
  .lineage-head p{justify-self:start}
  .engine{gap:36px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .note-big-body{grid-template-columns:minmax(0,1fr);padding:36px 28px 40px}
  .seal{max-width:220px}
  .foil-note{position:relative;right:auto;width:auto;height:18px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .note-body{grid-template-columns:minmax(0,1fr)}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .serial .btn{padding:0 14px}
  .stamp{font-size:26px;left:62%}
  .field{height:300px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .register li{grid-template-columns:36px minmax(0,1fr);}
  .register .ic{width:36px;height:36px}
  .verdict{grid-column:2;text-align:left}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .foil{transition:none}
  .e{transition:none}
  .e .ring::before,.e .ring::after{animation:none!important}
}