/* DARK design system. Black canvas, hairline borders, a light serif for display, a tracked sans for UI,
   mono for anything that lives on chain, and one signal colour: Ethereum blue. No shadows, no gradients. */
@font-face{font-family:'Source Serif 4';src:url('./assets/fonts/source-serif-4.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'Source Serif 4';src:url('./assets/fonts/source-serif-4-italic.woff2') format('woff2');font-weight:300;font-style:italic;font-display:swap}
@font-face{font-family:'Inter Tight';src:url('./assets/fonts/inter-tight.woff2') format('woff2');font-weight:400 600;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('./assets/fonts/jetbrains-mono.woff2') format('woff2');font-weight:400 500;font-display:swap}

:root{
  color-scheme:dark;
  --bg:#000;--panel:#000;--raised:#111;
  --line:#252525;--line-2:#313131;--line-3:#3d3d3d;--line-4:#525252;
  --fg:#fff;--fg-body:#e5e5e5;--fg-2:#c5c5c5;--fg-3:#8a8a8a;--fg-4:#7a7a7a;
  --accent:#627eea;--accent-hover:#7b93f0;--accent-ink:#000;--accent-deep:#2d44a6;--accent-shadow:#15204d;
  --glow:0 0 8px 0 rgba(98,126,234,.45);
  --ok:#627eea;--warn:#c5c5c5;--bad:#ff8080;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'Inter Tight',Inter,system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace;
  --r-btn:4px;--r-tag:2px;
  --max:1280px;--gutter:48px;
  --section:104px;--block:56px;--gap:24px;
  --t:.18s;
}
*{box-sizing:border-box}
html{scroll-padding-top:80px;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg-body);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
[hidden]{display:none!important}
::selection{background:var(--accent);color:#000}
h1,h2,h3,h4,p,dl,dd,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{font-family:var(--serif);font-weight:300;color:var(--fg)}
h1{font-size:clamp(44px,6.1vw,86px);line-height:.96;letter-spacing:-.03em}
h2{font-size:clamp(34px,3.7vw,52px);line-height:1.04;letter-spacing:-.025em}
h3{font-size:clamp(24px,2.2vw,30px);line-height:1.15;letter-spacing:-.015em}
h1 em,h2 em{font-style:italic;color:var(--accent)}
h4{font-size:15px;font-weight:500;color:var(--fg);letter-spacing:.01em}
p{color:var(--fg-2)}
.lede{font-size:18px;line-height:1.55;max-width:46ch}
.muted{color:var(--fg-3)}
.small{font-size:14px;line-height:1.6}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:var(--fg)}
strong{color:var(--fg);font-weight:500}
code,.mono{font-family:var(--mono);font-size:.92em}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:wait;opacity:.5}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
main:focus{outline:0}
svg.i{width:1em;height:1em;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;z-index:20;top:12px;left:16px;padding:10px 16px;background:var(--accent);color:#000;border-radius:var(--r-btn);transform:translateY(-200%)}
.skip:focus{transform:none}
.frame{width:min(var(--max),calc(100% - 2*var(--gutter)));margin-inline:auto}
#bgField,#bgRings{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
#landing,#wallet{position:relative;z-index:1}
.art-toggle{background:var(--bg)}

/* --- labels, tags, pills ----------------------------------------------------------------- */
.eyebrow{display:inline-flex;gap:.6em;font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-4);line-height:1.4}
.eyebrow::before{content:'[';color:var(--line-4)}
.eyebrow::after{content:']';color:var(--line-4)}
.eyebrow.accent{color:var(--accent)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-3);border:1px solid var(--line-4);border-radius:var(--r-tag);padding:3px 7px;line-height:1.3;white-space:nowrap;transition:color var(--t),border-color var(--t)}
.tag.accent{color:var(--accent);border-color:var(--accent);box-shadow:var(--glow)}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-2);border:1px solid var(--line-3);border-radius:9999px;padding:5px 12px;white-space:nowrap;line-height:1.4}
.pill b{font-weight:500;color:var(--fg)}
.pill.live{border-color:var(--accent);color:var(--accent)}
.pill.live::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:var(--glow)}
.pill.off{border-color:var(--line-4);color:var(--fg-3)}
.pill:empty{display:none}

/* --- buttons ------------------------------------------------------------------------------ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;padding:12px 20px;border:1px solid var(--line-4);border-radius:var(--r-btn);font-size:14px;font-weight:500;letter-spacing:.04em;color:var(--fg);text-decoration:none;background:none;transition:background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);white-space:nowrap}
.btn:hover{border-color:var(--fg-2);color:var(--fg)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:var(--glow)}
.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn.ghost{border-color:var(--accent);color:var(--accent);letter-spacing:.08em}
.btn.ghost:hover{box-shadow:var(--glow);color:var(--accent-hover)}
.btn.small{min-height:38px;padding:8px 14px;font-size:13px}
.btn:disabled{box-shadow:none}
.btn:active{transform:translateY(1px)}
.link{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--fg);text-decoration:none;padding-bottom:6px;border-bottom:1px solid var(--line-4);transition:border-color var(--t),color var(--t)}
.link:hover{border-color:var(--accent);color:var(--accent)}

/* --- navigation --------------------------------------------------------------------------- */
.site-nav{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
.site-nav .frame{height:64px;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg);font-size:13px;font-weight:600;letter-spacing:.28em;text-transform:uppercase}
.brand:hover{color:var(--fg)}
.mark{width:26px;height:26px;border-radius:var(--r-btn);background:var(--accent);box-shadow:var(--glow);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:300;font-size:19px;line-height:1;color:#000;letter-spacing:0}
.mark::before{content:'D'}
.site-nav nav{display:flex;gap:28px;margin-left:auto}
.site-nav nav a,.nav-link{font-size:12px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;color:var(--fg-2);transition:color var(--t)}
.site-nav nav a:hover,.nav-link:hover{color:var(--fg)}
.site-nav nav a[aria-current]{color:var(--accent)}
.site-nav .status{display:flex;gap:10px;align-items:center}

/* --- hero ---------------------------------------------------------------------------------- */
.hero{padding:88px 0 72px;overflow:clip}
.hero .frame{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.hero-copy{display:grid;gap:28px;justify-items:start;position:relative}
.hero-copy::before{content:'';position:absolute;inset:-60px -80px -60px -120px;background:radial-gradient(ellipse at 45% 50%,#000 48%,rgba(0,0,0,0) 74%);z-index:-1;pointer-events:none}
.hero-copy h1{max-width:14ch}
.hero-copy .lede{font-size:19px;color:var(--fg-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-status{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--fg-3)}

/* The sample transfer: a real ElGamal ciphertext, viewed two ways. */
.card{background:var(--panel);border:1px solid var(--line-2);padding:32px}
.sample{display:grid;gap:22px}
.sample-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.segment{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-2);border-radius:var(--r-btn);overflow:hidden}
.segment button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 14px;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);transition:color var(--t),background var(--t)}
.segment button+button{border-left:1px solid var(--line-2)}
.segment button:hover{color:var(--fg)}
.segment button[aria-pressed=true]{color:var(--accent);background:rgba(98,126,234,.08)}
.segment button:focus-visible{outline-offset:-3px}
.record{display:grid}
.record>div{display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;min-height:56px;padding:12px 0;border-top:1px solid var(--line)}
.record dt,.kv dt{font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-4)}
.record dd{display:flex;align-items:center;gap:12px;min-width:0;flex-wrap:wrap;font-family:var(--mono);font-size:15px;color:var(--fg-3);transition:color var(--t)}
.record dd.revealed{color:var(--fg)}
.record dd .value{overflow-wrap:anywhere}
.record dd .unit{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.cipher{font-family:var(--mono);letter-spacing:.04em;color:var(--fg-4);overflow-wrap:anywhere;transition:color var(--t)}
.ring-row{display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:start;padding:14px 0;border-top:1px solid var(--line)}
.ring-row dt{padding-top:6px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips li{font-family:var(--mono);font-size:11px;color:var(--fg-3);border:1px solid var(--line-2);border-radius:var(--r-tag);padding:4px 7px;letter-spacing:.02em;transition:color var(--t),border-color var(--t),box-shadow var(--t)}
.chips li.sender,.chips li.recipient{color:var(--accent);border-color:var(--accent);box-shadow:var(--glow)}
.chips li[data-role]::after{content:attr(data-role);margin-left:8px;color:var(--accent);letter-spacing:.14em;text-transform:uppercase;font-size:9px}
.caption{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;line-height:1.5;color:var(--fg-3);padding-top:14px;border-top:1px solid var(--line)}
.caption .tag{align-self:flex-start}
.caption>span:first-child{flex:1 1 300px}
details.fold{border-top:1px solid var(--line)}
details.fold summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;cursor:pointer;list-style:none;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-2)}
details.fold summary::-webkit-details-marker{display:none}
details.fold summary:hover{color:var(--fg)}
details.fold summary .i{transition:transform var(--t)}
details.fold[open] summary .i{transform:rotate(45deg)}
.code{background:var(--panel);border:1px solid var(--line-2);border-radius:var(--r-btn);padding:18px 20px;font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--fg-2);overflow-wrap:anywhere;white-space:pre-wrap}
.code p{font-family:var(--sans);font-size:14px;color:var(--fg-3);margin-bottom:12px;white-space:normal}

/* The one artwork: a ledger line that is readable only inside the key window. */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background:var(--bg)}
.band canvas{display:block;width:100%;height:92px}
.band-controls{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);display:flex;justify-content:flex-end;pointer-events:none}
.band-controls button{pointer-events:auto}
.art-toggle{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-3);border-radius:var(--r-btn);color:var(--fg-3);background:var(--bg);transition:color var(--t),border-color var(--t)}
.art-toggle:hover{color:var(--fg);border-color:var(--fg-2)}

/* --- sections ------------------------------------------------------------------------------- */
section.block{padding:var(--section) 0}
section.block+section.block{border-top:1px solid var(--line)}
.intro{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;margin-bottom:var(--block)}
.intro p{font-size:17px;line-height:1.6;max-width:52ch}
.intro>div:first-child{display:grid;gap:18px;justify-items:start}
.stack{display:grid;gap:18px;max-width:64ch;margin-bottom:var(--block)}

/* comparison: identical ledger cards in two visibility states */
.sides{display:grid;grid-template-columns:1fr 1fr;background:var(--panel)}
.ledger{padding:32px;border:1px solid var(--line-2);display:grid;gap:8px;align-content:start}
.ledger+.ledger{border-left:0}
.ledger header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.ledger .kv>div{display:grid;grid-template-columns:132px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line);align-items:baseline}
.ledger .kv dd{font-size:15px;color:var(--fg-2);min-width:0;overflow-wrap:anywhere}
.ledger .kv dd.mono{font-family:var(--mono);font-size:14px}
.ledger .kv dd.amount{font-family:var(--serif);font-size:44px;line-height:1;letter-spacing:-.02em;color:var(--fg);display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.ledger .amount .unit{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.ledger .amount .cipher{font-size:18px;line-height:1.5;letter-spacing:.06em}
.ledger.private{border-left-color:var(--line-2)}
.ledger.private .amount{align-items:center}
.note{font-size:13px;color:var(--fg-4);margin-top:16px}

/* journey: enter, move privately, leave */
.journey{display:grid;grid-template-columns:2fr 1fr 2fr;border:1px solid var(--line-2);border-bottom:0;background:var(--panel)}
.journey-group{padding:16px 20px 0;display:grid;gap:8px;align-content:start}
.journey-group+.journey-group{border-left:1px solid var(--line-2)}
.journey-tabs{display:flex;gap:4px;margin:0 -8px}
.journey-tabs button{padding:12px 8px 14px;font-size:13px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color var(--t),border-color var(--t)}
.journey-tabs button:hover{color:var(--fg)}
.journey-tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}
.action-panel{border:1px solid var(--line-2);display:grid;grid-template-columns:1fr 1fr;background:var(--panel)}
.route{padding:32px;border-right:1px solid var(--line-2);display:grid;gap:22px;align-content:start}
.route-map{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}
.node{border:1px solid var(--line-2);border-radius:var(--r-btn);padding:14px 16px;display:grid;gap:6px;min-width:0}
.node .side{font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-4)}
.node b{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--fg);overflow-wrap:anywhere}
.node[data-side=private]{border-color:var(--accent);box-shadow:var(--glow)}
.node[data-side=private] .side{color:var(--accent)}
.hop{display:grid;align-content:center;justify-items:center;gap:6px;min-width:72px}
.hop .wire{width:100%;height:1px;background:var(--line-4);position:relative}
.hop .wire::after{content:'';position:absolute;right:-1px;top:-4px;border:4px solid transparent;border-left-color:var(--fg-2)}
.hop.cross .wire{background:repeating-linear-gradient(90deg,var(--line-4) 0 4px,transparent 4px 8px)}
.hop span{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-4);text-align:center}
.sees{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sees div{display:grid;gap:8px;align-content:start}
.sees ul li{font-size:14px;line-height:1.5;color:var(--fg-2);padding:8px 0;border-top:1px solid var(--line)}
.sees .public .eyebrow{color:var(--fg-2)}
.sees .hidden-list .eyebrow{color:var(--accent)}
.action-copy{padding:32px;display:grid;gap:16px;align-content:start}
.action-copy p{font-size:16px;max-width:48ch}
.action-copy .link{justify-self:start;margin-top:8px}

/* protocol and status */
.quad{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-2);background:var(--panel)}
.quad>section{padding:32px;display:grid;gap:16px;align-content:start}
.quad>section:nth-child(2n){border-left:1px solid var(--line-2)}
.quad>section:nth-child(n+3){border-top:1px solid var(--line-2)}
.quad h3{font-size:24px}
.rows li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.55;color:var(--fg-2)}
.rows li b{font-weight:500;color:var(--fg)}
.rows li.mono{font-family:var(--mono);font-size:13px;overflow-wrap:anywhere}
.rows li .mono{overflow-wrap:anywhere}
.rows.plain li{grid-template-columns:1fr}
.rows li a{text-decoration-color:var(--line-4)}
.rows li a:hover{text-decoration-color:var(--accent);color:var(--accent)}
.mini{width:100%;border-collapse:collapse;font-size:14px}
.mini td{padding:10px 0;border-top:1px solid var(--line);color:var(--fg-2)}
.mini td:last-child{text-align:right;font-family:var(--mono);color:var(--fg)}

/* faq */
.faq{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.faq-list{background:var(--panel)}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 0;cursor:pointer;list-style:none;font-size:17px;font-weight:500;color:var(--fg)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .i{color:var(--fg-3);transition:transform var(--t)}
.faq details[open] summary .i{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;max-width:62ch;font-size:16px}

/* closing: the one accent divider on the page */
.closing{padding:0 0 var(--section)}
.closing .bar{height:6px;background:var(--accent);box-shadow:var(--glow);margin-bottom:var(--section)}
.closing .frame{display:grid;gap:26px;justify-items:center;text-align:center}
.closing h2{max-width:16ch}
.closing p{max-width:48ch;font-size:17px}
.site-footer{border-top:1px solid var(--line);padding:28px 0}
.site-footer .frame{display:flex;gap:24px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--fg-3)}
.site-footer nav{margin-left:auto;display:flex;gap:22px}
.site-footer nav a{font-size:11px;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;color:var(--fg-3)}
.site-footer nav a:hover{color:var(--fg)}

/* --- wallet --------------------------------------------------------------------------------- */
.wallet-main{padding:48px 0 72px;min-height:70vh}
.wallet-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.wallet-head h1{font-size:clamp(34px,4vw,54px)}
.wallet-head>div:first-child{display:grid;gap:12px;justify-items:start}
.wallet-head p{font-size:16px;max-width:52ch}
.demo-line{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--fg-3)}
.onboard{display:grid;grid-template-columns:1.1fr .9fr;background:var(--panel)}
.onboard>*{border:1px solid var(--line-2);padding:36px}
.onboard>*+*{border-left:0}
.onboard-main{display:grid;gap:22px;align-content:start}
.onboard-main h2{font-size:clamp(30px,3vw,40px)}
.onboard-main p{font-size:16px;max-width:52ch}
.choice{display:flex;gap:12px;flex-wrap:wrap}
.onboard-side{display:grid;gap:22px;align-content:start}
.steps{counter-reset:s;display:grid}
.steps li{counter-increment:s;display:grid;grid-template-columns:34px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.5;color:var(--fg-2)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--accent);padding-top:3px}
.steps li b{color:var(--fg);font-weight:500}
.gate{max-width:560px;margin:24px auto;padding:36px;border:1px solid var(--line-2);display:grid;gap:18px;background:var(--panel)}
.grid{display:grid;grid-template-columns:1.25fr 1fr;gap:var(--gap)}
.col{display:grid;gap:var(--gap);align-content:start}
.card h2{font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-4);margin-bottom:18px;line-height:1.4}
.card h2::before{content:'[ ';color:var(--line-4)}
.card h2::after{content:' ]';color:var(--line-4)}
.big{font-family:var(--serif);font-size:clamp(44px,4.6vw,60px);line-height:1;letter-spacing:-.025em;color:var(--fg);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.big small{font-family:var(--sans);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.cipher-line{margin-top:12px;font-family:var(--mono);font-size:12px;color:var(--fg-4);overflow-wrap:anywhere;line-height:1.6}
.cipher-line b{font-weight:500;color:var(--fg-3)}
.hint{font-size:14px;color:var(--fg-3);line-height:1.6;overflow-wrap:anywhere}
.hint b{color:var(--fg);font-weight:500}
.stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.stat .l{font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-4)}
.stat .v{font-family:var(--mono);font-size:14px;margin-top:6px;color:var(--fg);overflow-wrap:anywhere}
.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto;scrollbar-width:none}
.tabs button{padding:12px 2px 13px;font-size:12px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-3);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:color var(--t),border-color var(--t)}
.tabs button:hover{color:var(--fg)}
.tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}
.form{display:grid;gap:16px}
.form label{display:grid;gap:8px;font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-4)}
.form input,.form select,.gate input{width:100%;background:var(--bg);color:var(--fg);border:1px solid var(--line-3);border-radius:var(--r-btn);padding:12px 14px;font-size:15px;outline:none;caret-color:var(--accent);transition:border-color var(--t)}
.form input::placeholder{color:var(--fg-4)}
.form input:focus,.form select:focus,.gate input:focus{border-color:var(--accent);box-shadow:var(--glow)}
.form input.mono,.gate input.mono{font-family:var(--mono);font-size:13px}
.row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.wallet-main button:not(.tabs button):not(.art-toggle){display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:42px;padding:10px 16px;border:1px solid var(--line-4);border-radius:var(--r-btn);font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--fg);transition:border-color var(--t),background var(--t),color var(--t)}
.wallet-main button:not(.tabs button):hover{border-color:var(--fg-2)}
.wallet-main button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);box-shadow:var(--glow)}
.wallet-main button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.wallet-main button.primary:disabled{box-shadow:none}
.status{font-size:14px;line-height:1.6;color:var(--fg-3);min-height:20px;white-space:pre-wrap;overflow-wrap:anywhere}
.status.ok{color:var(--accent)}.status.bad{color:var(--bad)}.status.warn{color:var(--warn)}
.list{display:grid}
.item{display:grid;grid-template-columns:1fr auto;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:var(--fg)}
.item:first-child{border-top:0}
.item .m{font-size:12px;color:var(--fg-3);margin-top:4px;font-family:var(--mono)}
.item .mono,.item span{overflow-wrap:anywhere}
.amt{font-family:var(--mono);font-size:13px;color:var(--fg-2)}
.amt.in{color:var(--accent)}
.ring{display:flex;flex-wrap:wrap;gap:6px}
.ring>div{font-family:var(--mono);font-size:11px;color:var(--fg-3);border:1px solid var(--line-2);border-radius:var(--r-tag);padding:4px 7px}
.ring>div.me{color:var(--accent);border-color:var(--accent);box-shadow:var(--glow)}
.sep{height:1px;background:var(--line);margin:20px 0}
.address-copy{font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--fg);overflow-wrap:anywhere}
.key-output:not(:empty){border:1px solid var(--line-2);border-radius:var(--r-btn);padding:12px 14px;margin-top:12px;font-family:var(--mono);font-size:12px}
.how{display:grid;gap:10px}
.how div{font-size:14px;color:var(--fg-3);line-height:1.55;padding-top:10px;border-top:1px solid var(--line)}
.how div:first-child{border-top:0;padding-top:0}
.how b{color:var(--fg);font-weight:500}
.wallet-loading{max-width:520px;padding:32px 0;display:grid;gap:14px}
.wallet-loading>div{height:14px;border:1px solid var(--line-2)}
.wallet-loading>div:nth-child(2){width:60%}
.wallet-loading p{font-size:14px;color:var(--fg-3)}
.wallet-footer,.site-footer{background:var(--panel)}
.wallet-footer{border-top:1px solid var(--line);padding:24px 0 40px}
.wallet-footer p{font-size:13px;color:var(--fg-3);overflow-wrap:anywhere;line-height:1.7}
.wallet-footer p+p{margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--fg-4)}

/* --- responsive ----------------------------------------------------------------------------- */
@media(max-width:1100px){
  :root{--gutter:32px;--section:88px;--block:44px}
  .hero{padding:64px 0 56px}
  .hero .frame{gap:48px}
  .intro{gap:32px}
  .route,.action-copy,.quad>section,.ledger,.onboard>*{padding:26px}
  .journey{grid-template-columns:1.6fr 1fr 1.6fr}
}
@media(max-width:860px){
  .hero .frame{grid-template-columns:1fr;gap:40px}
  .hero-copy h1{max-width:none}
  .sides,.action-panel,.quad,.onboard,.faq,.intro{grid-template-columns:1fr}
  .ledger+.ledger{border-left:1px solid var(--line-2);border-top:0}
  .route{border-right:0;border-bottom:1px solid var(--line-2)}
  .quad>section:nth-child(2n){border-left:0}
  .quad>section:nth-child(n+2){border-top:1px solid var(--line-2)}
  .onboard>*+*{border-left:1px solid var(--line-2);border-top:0}
  .journey{grid-template-columns:1fr}
  .journey-group+.journey-group{border-left:0;border-top:1px solid var(--line-2)}
  .grid{grid-template-columns:1fr}
  .faq{gap:28px}
}
@media(max-width:767px){
  :root{--gutter:20px;--section:64px;--block:32px;--gap:16px}
  html{scroll-padding-top:68px}
  body{font-size:16px}
  .site-nav .frame{height:58px;gap:16px}
  .site-nav nav{gap:18px}
  .site-nav nav a[data-optional]{display:none}
  .brand{letter-spacing:.22em}
  .hero{padding:44px 0 40px}
  .hero-copy{gap:22px}
  .hero-copy .lede{font-size:17px}
  .hero-cta .btn{flex:1 1 auto}
  .card,.ledger,.route,.action-copy,.quad>section,.onboard>*{padding:20px}
  .sample{gap:18px}
  .segment button{font-size:11px;letter-spacing:.12em;padding:10px 8px}
  .record>div,.ring-row,.ledger .kv>div{grid-template-columns:1fr;gap:6px}
  .record dd{font-size:14px}
  .ledger .amount{font-size:38px}
  .band canvas{height:72px}
  .journey-group{padding:14px 16px 0}
  .journey-tabs{flex-wrap:wrap}
  .route-map{grid-template-columns:1fr;gap:8px}
  .hop{min-width:0;grid-template-columns:1fr auto;align-items:center;gap:10px;padding:0 8px}
  .hop .wire{height:28px;width:1px;justify-self:center;grid-row:1;grid-column:1/-1}
  .hop .wire::after{right:-4px;top:auto;bottom:-1px;border:4px solid transparent;border-top-color:var(--fg-2)}
  .hop.cross .wire{background:repeating-linear-gradient(180deg,var(--line-4) 0 4px,transparent 4px 8px)}
  .hop span{grid-row:1;grid-column:1/-1;justify-self:end;background:var(--bg);padding:0 6px}
  .sees{grid-template-columns:1fr}
  .rows li{grid-template-columns:1fr;gap:4px}
  .faq summary{font-size:16px;padding:16px 0}
  .closing .bar{margin-bottom:var(--section)}
  .site-footer nav{margin-left:0;width:100%;justify-content:space-between}
  .wallet-main{padding:32px 0 56px}
  .wallet-head{margin-bottom:24px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .tabs{gap:18px}
  .item{grid-template-columns:1fr}
  .choice .wallet-main button,.choice button{flex:1 1 auto}
  .gate{padding:22px}
  .site-nav #keyPill{display:none}
  #wallet .site-nav .frame{flex-wrap:wrap;height:auto;min-height:58px;padding:10px 0}
  #wallet .site-nav .status{width:100%;margin-left:0!important;flex-wrap:wrap;gap:6px}
  .pill{font-size:10px;padding:4px 9px;letter-spacing:.1em}
}
@media(max-width:380px){
  :root{--gutter:16px}
  h1{font-size:40px}
  .segment button{letter-spacing:.08em;font-size:10px}
  .stats{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:0s!important;animation:none!important}
}
@supports(scrollbar-color:auto){*{scrollbar-color:#444 #000;scrollbar-width:thin}}