:root {
  --ink:#0a0a09;
  --surface:#11120f;
  --surface-2:#171915;
  --line:rgba(241,243,226,.14);
  --muted:#92978a;
  --paper:#eff1e6;
  --acid:#d8ff3e;
  --orange:#ff6a3d;
  --display:"Arial Black","Helvetica Neue",Arial,sans-serif;
  --body:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;min-width:320px;color:var(--paper);background:var(--ink);font-family:var(--body);font-size:16px;line-height:1.5;overflow-x:hidden}
button,input{font:inherit}
button,a{color:inherit}
button{border:0;cursor:pointer}
a{text-decoration:none}
svg{display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
::selection{color:var(--ink);background:var(--acid)}
.noise{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E")}
.topbar{display:flex;align-items:center;justify-content:space-between;width:min(100% - 48px,1440px);min-height:76px;margin:0 auto;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:11px;font-family:var(--display);font-size:14px;font-weight:900;letter-spacing:.13em}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;color:var(--ink);background:var(--acid);font-size:17px;letter-spacing:0}
.top-meta{display:flex;align-items:center;gap:9px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 0 5px rgba(216,255,62,.08)}
main{width:min(100% - 48px,1440px);margin:0 auto}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.72fr);align-items:end;gap:clamp(40px,7vw,120px);min-height:720px;padding:90px 0 72px}
.hero::after{content:"1729";position:absolute;z-index:-1;right:-3vw;top:24px;color:transparent;font-family:var(--display);font-size:clamp(180px,28vw,440px);font-weight:950;line-height:.8;letter-spacing:-.1em;-webkit-text-stroke:1px rgba(241,243,230,.035);pointer-events:none}
.kicker{margin:0;color:var(--acid);font-family:var(--mono);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em}
h1,h2,h3,p{margin-top:0}
h1{max-width:900px;margin:22px 0 28px;font-family:var(--display);font-size:clamp(58px,7.2vw,116px);font-weight:950;line-height:.84;letter-spacing:-.075em;text-transform:uppercase}
h1 em{color:var(--acid);font-style:normal}
.hero-lead{max-width:620px;margin:0;color:#b7bbae;font-size:clamp(16px,1.35vw,20px);line-height:1.7}
.number-console{position:relative;padding:24px;border:1px solid rgba(216,255,62,.24);background:linear-gradient(145deg,rgba(216,255,62,.055),transparent 52%),var(--surface);box-shadow:18px 18px 0 rgba(216,255,62,.035)}
.number-console label{display:block;margin-bottom:13px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em}
.input-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;border-bottom:2px solid var(--acid)}
.prompt{color:var(--acid);font-family:var(--mono);font-size:24px;font-weight:800}
#number-input{width:100%;min-width:0;padding:11px 0 14px;border:0;outline:0;color:var(--paper);background:transparent;font-family:var(--mono);font-size:clamp(26px,3vw,44px);font-weight:700;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.icon-button{display:grid;place-items:center;width:48px;height:48px;color:var(--ink);background:var(--acid);transition:transform .18s ease,background .18s ease}
.icon-button:hover{transform:translateX(3px);background:#e4ff78}
.icon-button svg{width:22px;height:22px}
.console-footer{display:flex;align-items:center;gap:12px;min-height:44px;padding-top:10px;color:var(--muted);font-family:var(--mono);font-size:11px}
.console-footer .input-error{margin-right:auto;color:#ff8b69}
.text-button{min-height:44px;margin-left:auto;padding:8px 0;color:var(--paper);background:transparent;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--paper)}
.preset-row{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:10px;background:var(--line);border:1px solid var(--line)}
.preset-row button{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:12px 16px;color:var(--paper);background:var(--ink);font-family:var(--mono);font-size:14px;text-align:left;transition:background .18s ease,color .18s ease}
.preset-row button:hover,.preset-row button:focus-visible{color:var(--ink);background:var(--acid)}
.preset-row span{color:var(--muted);font-size:11px;text-transform:uppercase}
.preset-row button:hover span{color:rgba(10,10,9,.6)}
.passport{padding:90px 0 120px;border-top:1px solid var(--line)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
h2{margin:10px 0 0;font-family:var(--display);font-size:clamp(38px,5vw,72px);font-weight:950;line-height:.95;letter-spacing:-.055em;text-transform:uppercase}
h2 span{color:var(--acid);font-family:var(--mono);font-weight:500}
.share-button,.small-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 15px;border:1px solid var(--line);color:var(--paper);background:transparent;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;transition:border .18s ease,color .18s ease}
.share-button:hover,.small-button:hover{color:var(--acid);border-color:rgba(216,255,62,.45)}
.share-button svg{width:18px;height:18px}
.metric-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:1px;margin-bottom:1px;background:var(--line);border:1px solid var(--line)}
.metric-card{position:relative;min-height:172px;padding:24px;background:var(--surface)}
.metric-card.accent-card{color:var(--ink);background:var(--acid)}
.metric-index{position:absolute;right:18px;top:16px;color:var(--muted);font-family:var(--mono);font-size:11px}
.accent-card .metric-index{color:rgba(10,10,9,.52)}
.metric-card p{margin:55px 0 6px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em}
.accent-card p{color:rgba(10,10,9,.6)}
.metric-card strong{display:block;overflow:hidden;font-family:var(--display);font-size:clamp(25px,3vw,46px);font-weight:950;line-height:1;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}
.analysis-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.panel{min-width:0;padding:26px;background:var(--surface)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;color:var(--paper);font-family:var(--mono);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.panel-code{color:var(--muted)}
.identity-panel{grid-column:span 5;min-height:390px}
.representation-panel{grid-column:span 7;min-height:390px}
.anatomy-panel{grid-column:span 7;min-height:410px}
.sequence-panel{grid-column:span 5;min-height:410px}
.hash-panel{grid-column:span 7;min-height:285px}
.privacy-panel{grid-column:span 5;min-height:285px}
.chip-cloud{display:flex;flex-wrap:wrap;gap:7px}
.chip{display:inline-flex;align-items:center;min-height:34px;padding:7px 10px;border:1px solid var(--line);color:#c3c7b8;background:rgba(255,255,255,.02);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.chip.positive{color:var(--acid);border-color:rgba(216,255,62,.28);background:rgba(216,255,62,.045)}
.factor-block{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.factor-block p,.word-block p,.hash-panel>p{margin-bottom:8px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.factor-block strong{display:block;overflow-wrap:anywhere;font-family:var(--mono);font-size:clamp(18px,2vw,27px);font-weight:500;line-height:1.4}
.factor-block small{display:block;margin-top:7px;color:var(--muted);font-size:11px}
.representation-list{margin:0}
.representation-list>div{display:grid;grid-template-columns:150px minmax(0,1fr) 52px;align-items:center;gap:12px;min-height:67px;border-top:1px solid var(--line)}
.representation-list>div:last-child{border-bottom:1px solid var(--line)}
.representation-list dt{color:var(--muted);font-size:11px;text-transform:uppercase}
.representation-list dd{min-width:0;margin:0;overflow:hidden;color:var(--paper);font-family:var(--mono);font-size:14px;text-overflow:ellipsis;white-space:nowrap}
.representation-list button{min-height:44px;color:var(--muted);background:transparent;font-family:var(--mono);font-size:11px;text-transform:uppercase}
.representation-list button:hover{color:var(--acid)}
.digit-frequency{display:grid;grid-template-columns:repeat(10,minmax(24px,1fr));align-items:end;gap:8px;min-height:210px;padding:18px 0 12px}
.digit-column{display:flex;align-items:center;flex-direction:column;justify-content:flex-end;gap:8px;min-width:0;height:185px}
.digit-bar{width:100%;min-height:3px;background:var(--acid);transition:height .35s ease}
.bar-level-0{height:3px;opacity:.12}.bar-level-1{height:18px}.bar-level-2{height:34px}.bar-level-3{height:50px}.bar-level-4{height:66px}.bar-level-5{height:82px}.bar-level-6{height:98px}.bar-level-7{height:114px}.bar-level-8{height:130px}.bar-level-9{height:146px}.bar-level-10{height:162px}
.digit-column b{font-family:var(--mono);font-size:12px;font-weight:500}
.digit-column small{color:var(--muted);font-family:var(--mono);font-size:11px}
.word-block{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.word-block strong{display:block;color:#d6dacd;font-size:15px;font-weight:500;line-height:1.65}
.sequence-list{display:flex;flex-direction:column}
.sequence-item{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:62px;border-top:1px solid var(--line)}
.sequence-item:last-child{border-bottom:1px solid var(--line)}
.sequence-item span{font-size:13px}
.sequence-state{display:flex;align-items:center;gap:8px;color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase}
.sequence-state::before{content:"";width:8px;height:8px;border:1px solid var(--muted);border-radius:50%}
.sequence-item.active .sequence-state{color:var(--acid)}
.sequence-item.active .sequence-state::before{border-color:var(--acid);background:var(--acid);box-shadow:0 0 0 5px rgba(216,255,62,.06)}
.panel-note{margin:20px 0 0;color:var(--muted);font-size:11px;line-height:1.6}
.hash-panel code{display:block;min-height:92px;margin:18px 0;padding:16px;border-left:2px solid var(--acid);color:var(--acid);background:rgba(216,255,62,.035);font-family:var(--mono);font-size:13px;line-height:1.7;overflow-wrap:anywhere}
.privacy-panel{display:flex;align-items:center;gap:28px;background:var(--paper);color:var(--ink)}
.privacy-symbol{display:grid;place-items:center;flex:0 0 96px;width:96px;height:96px;background:var(--acid)}
.privacy-symbol svg{width:54px;height:54px;stroke-width:1.4}
.privacy-panel .kicker{color:#4b500d}
.privacy-panel h3{margin:9px 0 12px;font-family:var(--display);font-size:26px;font-weight:950;line-height:1.05;text-transform:uppercase}
.privacy-panel p:last-child{margin:0;color:#55594f;font-size:12px;line-height:1.6}
footer{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(100% - 48px,1440px);min-height:110px;margin:0 auto;border-top:1px solid var(--line);color:var(--muted);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.07em}
.footer-brand{color:var(--paper)}
footer p{margin:0}
footer>a:last-child:hover{color:var(--acid)}
.toast{position:fixed;z-index:20;right:24px;bottom:24px;max-width:min(360px,calc(100vw - 48px));padding:13px 16px;border:1px solid rgba(216,255,62,.35);color:var(--ink);background:var(--acid);font-family:var(--mono);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.toast.visible{opacity:1;transform:translateY(0)}
.copy-fallback{position:fixed;left:-9999px;top:0;width:1px;height:1px;opacity:0}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px}
@media (max-width:1050px){
  .hero{grid-template-columns:1fr;align-items:start;min-height:auto;padding-top:72px}
  .hero-copy{max-width:900px}
  .number-console{max-width:760px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .identity-panel,.representation-panel,.anatomy-panel,.sequence-panel,.hash-panel,.privacy-panel{grid-column:span 12}
}
@media (max-width:720px){
  .topbar,main,footer{width:min(100% - 28px,1440px)}
  .topbar{min-height:66px}
  .top-meta span:last-child{display:none}
  .hero{gap:34px;padding:58px 0 48px}
  h1{font-size:clamp(48px,15vw,76px);line-height:.88;overflow-wrap:anywhere}
  .hero-lead{font-size:15px}
  .number-console{padding:18px;box-shadow:9px 9px 0 rgba(216,255,62,.035)}
  #number-input{font-size:26px}
  .preset-row{grid-template-columns:repeat(2,1fr)}
  .passport{padding:66px 0 80px}
  .section-heading{align-items:flex-start;flex-direction:column}
  .share-button{width:100%}
  .metric-grid{grid-template-columns:1fr 1fr}
  .metric-card{min-height:142px;padding:18px}
  .metric-card p{margin-top:45px}
  .analysis-grid{display:block;border:0;background:transparent}
  .panel{margin-bottom:1px;padding:20px;border:1px solid var(--line)}
  .representation-list>div{grid-template-columns:112px minmax(0,1fr) 44px}
  .digit-frequency{gap:4px;overflow-x:auto}
  .privacy-panel{align-items:flex-start;flex-direction:column}
  .privacy-symbol{width:72px;height:72px;flex-basis:72px}
  .privacy-symbol svg{width:42px;height:42px}
  footer{align-items:flex-start;flex-direction:column;justify-content:center;padding:28px 0}
}
@media (max-width:420px){
  .topbar,main,footer{width:calc(100% - 24px)}
  h1{font-size:45px}
  .kicker{letter-spacing:.08em}
  .number-console{padding:15px}
  .prompt{font-size:19px}
  .icon-button{width:44px;height:44px}
  .console-footer{align-items:flex-start;flex-wrap:wrap}
  .console-footer .input-error{order:3;width:100%}
  .preset-row{grid-template-columns:1fr}
  .preset-row button{min-height:52px}
  .metric-grid{grid-template-columns:1fr}
  .metric-card{min-height:128px}
  .metric-card strong{font-size:31px}
  .representation-list>div{grid-template-columns:1fr 44px;padding:10px 0}
  .representation-list dt{grid-column:1/-1}
  .representation-list dd{font-size:12px}
  .representation-list button{grid-column:2;grid-row:2}
  .digit-frequency{grid-template-columns:repeat(10,28px)}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}