:root{
  --paper:#EFEDE7; --paper-2:#E6E3DB; --card:#F6F5F1;
  --ink:#11161D; --ink-2:#3F454D; --mute:#8D8B85; --faint:#B9B7B1;
  --line:rgba(17,22,29,.12); --line-2:rgba(17,22,29,.07);
  --gold:#F7C531; --gold-hi:#FFE27A; --gold-lo:#D88E0B; --gold-ink:#94600A;
  --green:#7CFFB2; --night:#07090D; --night-2:#0E121A; --cream:#F4F1E8;
  --sans:"Inter Tight","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --serif:"Instrument Serif","Noto Serif SC","Songti SC",serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --pad:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:400;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
img{display:block;max-width:100%}
::selection{background:var(--gold);color:var(--night)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;border:0;
  background:var(--ink);color:var(--paper);font-size:15px;font-weight:450;letter-spacing:.01em;white-space:nowrap;
  transition:transform .3s var(--ease),background .3s,color .3s}
.btn:hover{transform:translateY(-1px);background:#000}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{background:rgba(17,22,29,.04)}
.btn.gold{background:var(--gold);color:var(--night)}
.btn.gold:hover{background:var(--gold-hi)}
.btn.sm{height:38px;padding:0 18px;font-size:14px}
.btn svg{width:16px;height:16px}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:72px;display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--pad);transition:background .4s,box-shadow .4s,backdrop-filter .4s}
.nav.scrolled{background:rgba(239,237,231,.78);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);box-shadow:0 1px 0 var(--line-2)}
.brand{display:flex;align-items:center;gap:10px;font-weight:500;font-size:18px;letter-spacing:-.02em}
.brand img{width:30px;height:30px}
.nav-links{display:flex;gap:30px;font-size:14px;color:var(--ink-2)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:10px}
.pill-tag{display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line);font-size:13px;color:var(--ink-2)}
.dot{width:7px;height:7px;border-radius:50%;background:#2BBF6A;box-shadow:0 0 0 3px rgba(43,191,106,.15)}
@media (max-width:860px){.nav-links,.pill-tag{display:none}}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);transition:background .2s}
.icon-btn:hover{background:rgba(17,22,29,.05)}
.icon-btn svg{width:16px;height:16px}
@media (max-width:480px){.nav .icon-btn{display:none}}
.hero-ca{display:inline-flex;align-items:center;gap:10px;max-width:100%;margin-top:26px;padding:5px 5px 5px 16px;border-radius:999px;background:rgba(255,255,255,.6);box-shadow:inset 0 0 0 1px var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hero-ca .k{font-size:12px;letter-spacing:.14em;color:var(--mute);font-weight:500}
.hero-ca .v{min-width:0;font-family:var(--mono);font-size:13.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-ca .v.soon,.ca .v.soon{font-family:var(--sans);letter-spacing:.02em}
.hero-ca .btn{height:32px;padding:0 14px;font-size:12.5px}
.hero .cta{margin-top:22px}
.hero-inner{width:100%}
.ca-short{display:none}
@media (max-width:560px){.ca-full{display:none}.ca-short{display:inline}}
.lang{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:999px;border:0;background:transparent;
  box-shadow:inset 0 0 0 1px var(--line);font-size:13px;color:var(--mute);transition:background .2s}
.lang:hover{background:rgba(17,22,29,.04)}
.lang i{font-style:normal;opacity:.4}
.lang span{transition:color .2s}
.lang span.on{color:var(--ink);font-weight:500}
html[lang="en"] .hero h1{font-size:clamp(40px,7.2vw,96px)}
html[lang="en"] .serif-lines{letter-spacing:-.015em}
@media (max-width:420px){.nav .btn.sm{padding:0 14px}.brand{font-size:16px}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:grid;place-items:center;text-align:center;padding:120px var(--pad) 90px;overflow:hidden}
.hero-inner{position:relative;z-index:2;max-width:980px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);font-weight:500}
.hero h1{margin:22px 0 0;font-weight:300;font-size:clamp(42px,8vw,104px);line-height:1.04;letter-spacing:-.045em}
.hero h1 .l1{display:block;color:var(--faint)}
.hero h1 .l2{display:block;color:#5D6268}
.ai{font-family:var(--sans);font-weight:500;background:linear-gradient(135deg,var(--gold-hi),var(--gold) 45%,var(--gold-lo));
  -webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.05em;padding-right:.04em}
.hero p.lead{max-width:560px;margin:30px auto 0;font-size:17px;color:var(--ink-2);line-height:1.75}
.hero .cta{margin-top:30px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-strip{position:absolute;left:0;right:0;bottom:28px;z-index:2;display:flex;justify-content:center;gap:clamp(14px,4vw,48px);
  font-size:13px;color:var(--mute);flex-wrap:wrap;padding:0 var(--pad)}
.hero-strip b{color:var(--ink);font-weight:500}
.load-in{animation:loadIn 1.4s var(--ease) both}
.load-in.d1{animation-delay:.12s}.load-in.d2{animation-delay:.3s}.load-in.d3{animation-delay:.45s}.load-in.d4{animation-delay:.6s}
@keyframes loadIn{from{opacity:0;filter:blur(14px);transform:translateY(14px)}to{opacity:1;filter:blur(0);transform:none}}

/* floating ambient bits */
.float-field{position:absolute;inset:0;z-index:1;pointer-events:none}
.fl{position:absolute;will-change:transform}
.fl > *{animation:bob 9s ease-in-out infinite}
.fl:nth-child(2n) > *{animation-duration:11s;animation-delay:-3s}
.fl:nth-child(3n) > *{animation-duration:13s;animation-delay:-6s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@media (max-width:640px){.fl.hide-sm{display:none}}
.chip{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:rgba(255,255,255,.55);
  box-shadow:0 10px 30px rgba(17,22,29,.08),inset 0 0 0 1px rgba(255,255,255,.7);font-size:13px;white-space:nowrap;color:var(--ink-2)}
.chip .g{color:#1E9E57;font-weight:600}.chip .y{color:var(--gold-ink);font-weight:600}
.chip.term{background:rgba(14,18,26,.88);color:#AEB6C8;font-family:var(--mono);font-size:12px;box-shadow:0 14px 30px rgba(7,9,13,.25)}
.chip.term .p{color:var(--green)}.chip.term .y{color:var(--gold)}
.badge-ai{display:inline-grid;place-items:center;padding:8px 16px;border-radius:999px;background:var(--night);color:var(--gold);font-weight:700;font-size:20px;letter-spacing:-.04em}

/* ---------- blur-to-focus text ---------- */
.fx{transition:filter .25s linear,opacity .25s linear;will-change:filter,opacity}

/* ---------- story (scroll poem) ---------- */
.story{position:relative;padding:18vh var(--pad) 22vh;max-width:1100px;margin:0 auto}
.story .grp{margin:0 0 15vh;font-size:clamp(24px,3.3vw,40px);line-height:1.28;letter-spacing:-.025em;font-weight:300}
.story .grp span{display:block}
.story .grp.a{text-align:left;padding-left:4%}
.story .grp.b{text-align:right;padding-right:8%}
.story .grp.c{text-align:center}
.story .grp.a span:nth-child(2){padding-left:1.6em}
.story .grp.b span:nth-child(2){padding-right:1.6em}
.story .grp .m{color:var(--mute)}
.story .grp:last-child{margin-bottom:0}
.story .finale{font-size:clamp(30px,4.6vw,58px);font-weight:300;letter-spacing:-.04em;text-align:center;line-height:1.14}
.story .finale .m{color:var(--faint)}

/* ---------- section scaffolding ---------- */
section{position:relative}
.kicker{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);font-weight:500}
.h2{font-weight:300;font-size:clamp(34px,5vw,64px);line-height:1.08;letter-spacing:-.04em;margin:16px 0 0}
.h2 .m{color:var(--faint)}
.reveal{opacity:0;transform:translateY(24px);filter:blur(8px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}

/* ---------- features ---------- */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100vh;align-items:stretch}
.panel{position:relative;overflow:hidden;min-height:620px;display:grid;place-items:center;padding:40px}
.panel .tex{position:absolute;inset:0;width:100%;height:100%}
.panel .shade{position:absolute;inset:0;background:radial-gradient(120% 80% at 50% 110%,rgba(0,0,0,.35),transparent 60%)}
.ftext{display:flex;flex-direction:column;justify-content:center;padding:clamp(40px,7vw,110px) clamp(24px,6vw,96px)}
.serif-lines{margin:26px 0 0;font-family:var(--serif);font-weight:300;font-size:clamp(40px,5.6vw,78px);line-height:1.12;letter-spacing:-.01em;color:#9A9993}
.serif-lines span{display:block;margin:0 0 .28em}
.serif-lines span:nth-child(2){padding-left:18%}
.serif-lines span:nth-child(3){padding-left:8%}
.ftext p{max-width:470px;margin:28px 0 0;color:var(--ink-2);font-size:16px;line-height:1.85}
.ftext code,.mono{font-family:var(--mono);font-size:.88em;background:rgba(17,22,29,.06);padding:.1em .4em;border-radius:6px}
.feature.flip .panel{order:2}
@media (max-width:860px){
  .feature{grid-template-columns:1fr;min-height:0}
  .feature.flip .panel{order:0}
  .panel{min-height:480px;margin:0 var(--pad);border-radius:24px}
  .ftext{padding:44px var(--pad) 80px}
}

/* glass ui */
.glass{position:relative;z-index:2;width:min(360px,100%);border-radius:22px;padding:18px;
  background:rgba(24,20,14,.22);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.3);
  box-shadow:0 30px 60px rgba(0,0,0,.25),inset 0 0 0 1px rgba(255,255,255,.28);color:#fff}
.glass .top{display:flex;justify-content:space-between;align-items:center;font-size:12px;opacity:.8;margin-bottom:14px}
.glass .row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.12);margin-top:8px;font-size:13.5px}
.glass .big{font-size:38px;font-weight:300;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.glass .lbl{font-size:12px;opacity:.72}
.glass .ok{color:var(--green);font-weight:600}
.glass .no{color:#FFB4A8;font-weight:600}
.glass .addr{font-family:var(--mono);font-size:12.5px}
.glass .demo{position:absolute;top:-10px;right:14px;font-size:10.5px;letter-spacing:.12em;padding:3px 8px;border-radius:999px;background:rgba(0,0,0,.45);color:rgba(255,255,255,.75)}
.tl{display:grid;grid-template-columns:20px 1fr;gap:0 12px;margin-top:6px}
.tl .rail{position:relative}
.tl .rail::before{content:"";position:absolute;left:9px;top:6px;bottom:-6px;width:2px;background:rgba(255,255,255,.25)}
.tl .rail.end::before{display:none}
.tl .node{position:relative;z-index:1;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.2);box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.tl .node.on{background:var(--gold);box-shadow:0 0 14px rgba(247,197,49,.8)}
.tl .item{padding:0 0 18px;font-size:13.5px}
.tl .item b{display:block;font-weight:600;font-size:14px}
.tl .item span{opacity:.75}

/* ---------- mechanism ---------- */
.mech{padding:18vh var(--pad) 14vh;max-width:1240px;margin:0 auto}
.mech-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.mech-head p{max-width:400px;color:var(--ink-2);margin:0}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:64px;border-top:1px solid var(--line)}
.step{padding:28px 26px 10px 0;position:relative}
.step + .step{padding-left:26px;border-left:1px solid var(--line)}
.step .n{font-size:64px;font-weight:300;letter-spacing:-.05em;color:var(--faint);line-height:1}
.step h3{margin:22px 0 8px;font-weight:500;font-size:19px;letter-spacing:-.02em}
.step p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.75}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(3){border-left:0;padding-left:0}.step:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}.step + .step{border-left:0;padding-left:0;border-top:1px solid var(--line)}}
.split{margin-top:70px;display:grid;grid-template-columns:1.1fr 1fr;gap:20px}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:24px;padding:30px;box-shadow:inset 0 0 0 1px var(--line-2)}
.card h4{margin:0;font-weight:500;font-size:15px;letter-spacing:-.01em}
.card .sub{color:var(--mute);font-size:13px;margin-top:4px}
.bar{display:flex;height:64px;border-radius:16px;overflow:hidden;margin-top:26px}
.bar .seg{display:flex;align-items:flex-end;padding:10px 14px;font-size:13px;font-weight:500}
.bar .s80{flex:80;background:linear-gradient(135deg,var(--gold-hi),var(--gold) 50%,var(--gold-lo));color:var(--night)}
.bar .s20{flex:20;background:var(--night-2);color:var(--cream)}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;font-size:14px;color:var(--ink-2)}
.legend b{display:block;color:var(--ink);font-weight:500;font-size:22px;letter-spacing:-.03em}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-2);border-radius:16px;overflow:hidden;margin-top:22px}
.stat{background:var(--card);padding:16px 18px}
.stat .k{font-size:12.5px;color:var(--mute)}
.stat .v{font-size:24px;font-weight:300;letter-spacing:-.03em;margin-top:4px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stat .v small{font-size:13px;color:var(--mute);margin-left:4px}
.live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--mute)}
.live .dot.off{background:var(--faint);box-shadow:0 0 0 3px rgba(17,22,29,.06)}

/* ---------- claim ---------- */
.claim{padding:6vh var(--pad) 16vh}
.frame{position:relative;max-width:1240px;margin:0 auto;border-radius:32px;background:var(--card);overflow:hidden;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 40px 80px -40px rgba(17,22,29,.18)}
.frame .ghostword{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:clamp(120px,24vw,340px);font-weight:500;
  letter-spacing:-.06em;color:rgba(17,22,29,.075);filter:blur(7px);white-space:nowrap;pointer-events:none;line-height:.9;text-align:center}
.frame .rules{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,transparent calc(16.66% - .5px),var(--line-2) calc(16.66% - .5px),var(--line-2) calc(16.66% + .5px),transparent calc(16.66% + .5px),
   transparent calc(83.33% - .5px),var(--line-2) calc(83.33% - .5px),var(--line-2) calc(83.33% + .5px),transparent calc(83.33% + .5px))}
.frame-inner{position:relative;z-index:1;max-width:820px;margin:0 auto;padding:clamp(56px,9vw,120px) var(--pad)}
.frame-inner .h2{text-align:center}
.frame-inner > .intro{text-align:center;color:var(--ink-2);max-width:520px;margin:20px auto 0}
.howto{list-style:none;padding:0;margin:52px 0 0;display:grid;gap:12px;counter-reset:s}
.howto li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:18px 20px;border-radius:18px;background:rgba(255,255,255,.65);box-shadow:inset 0 0 0 1px var(--line-2)}
.howto li::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-size:22px;font-weight:300;color:var(--faint);letter-spacing:-.03em;line-height:1.2}
.howto b{font-weight:500}
.howto span{display:block;color:var(--ink-2);font-size:14.5px;margin-top:2px}
.code{position:relative;margin-top:14px;border-radius:20px;background:var(--night-2);color:#C9CFDB;font-family:var(--mono);font-size:13px;line-height:1.75;
  padding:46px 22px 22px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 30px 60px -30px rgba(7,9,13,.6)}
.code .bar3{position:absolute;left:18px;top:18px;display:flex;gap:7px}.code .bar3 i{width:10px;height:10px;border-radius:50%;background:#2E3546}
.code .hl{color:var(--gold)}
.code .cm{color:var(--green)}
.copy{position:absolute;right:12px;top:10px;height:30px;padding:0 12px;border-radius:999px;border:0;background:rgba(255,255,255,.08);color:#E8EAF0;font-size:12px;font-family:var(--sans)}
.copy:hover{background:rgba(255,255,255,.16)}
.lookup{margin-top:44px;padding:26px;border-radius:22px;background:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1px var(--line-2)}
.lookup h4{margin:0;font-weight:500;font-size:17px;letter-spacing:-.02em}
.lookup .sub{color:var(--mute);font-size:13.5px;margin-top:4px}
.lk-row{display:flex;gap:10px;margin-top:16px}
.lk-row input{flex:1;min-width:0;height:48px;padding:0 18px;border-radius:999px;border:0;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line);
  font:inherit;font-size:15px;color:var(--ink);outline:none;transition:box-shadow .2s}
.lk-row input:focus{box-shadow:inset 0 0 0 1.5px var(--ink)}
.lk-row .btn{height:48px}
@media (max-width:520px){.lk-row{flex-direction:column}.lk-row input{flex:none}.lk-row .btn{justify-content:center}}
.lk-out{margin-top:14px;font-size:14.5px;color:var(--ink-2);min-height:1.6em}
.lk-out .amt{font-size:30px;font-weight:300;letter-spacing:-.03em;color:var(--ink)}
.tagok{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:500}
.tagok.y{background:rgba(43,191,106,.12);color:#18834A}.tagok.n{background:rgba(214,72,52,.1);color:#B23A28}
details.dev{margin-top:18px;border-radius:18px;box-shadow:inset 0 0 0 1px var(--line-2);background:rgba(255,255,255,.45)}
details.dev summary{cursor:pointer;list-style:none;padding:16px 20px;font-size:14.5px;font-weight:500;display:flex;justify-content:space-between}
details.dev summary::-webkit-details-marker{display:none}
details.dev summary::after{content:"+";color:var(--mute);font-weight:300;font-size:20px;line-height:1}
details.dev[open] summary::after{content:"–"}
.calltable{width:100%;border-collapse:collapse;font-size:13.5px}
.calltable td{padding:10px 20px;border-top:1px solid var(--line-2);vertical-align:top}
.calltable td:first-child{color:var(--ink-2);width:46%}
.calltable td:last-child{font-family:var(--mono);font-size:12.5px;word-break:break-all}


/* ---------- claim guide ---------- */
.frame-inner{max-width:1080px}
.frame-inner > .intro{max-width:560px}
.frame-inner .narrow,.choose,.lookup,details.dev{max-width:820px;margin-left:auto;margin-right:auto}

/* diagrams */
.diagram{margin:56px 0 0;padding:28px clamp(16px,3vw,34px) 30px;border-radius:26px;background:rgba(255,255,255,.62);box-shadow:inset 0 0 0 1px var(--line-2)}
.diagram figcaption{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 30px;margin-bottom:18px}
.diagram .cap{color:var(--ink-2);font-size:14.5px;max-width:520px}
.dg{display:block;width:100%;height:auto;margin:0 auto}
.dg-m{display:none;max-width:420px}
@media (max-width:900px){.dg-d{display:none}.dg-m{display:block}}
.dg text,.seq text{font-family:var(--sans);text-anchor:middle}
.dg .nt,.seq .nt{font-size:18px;font-weight:500;fill:var(--ink);letter-spacing:-.01em}
.dg .ns,.seq .ns{font-size:13.5px;fill:var(--mute)}
.dg .ns.dk,.seq .ns.dk{fill:#6B4A06}
.seq .nt.sm{font-size:14.5px}
.seq .ns.xs{font-size:11.5px}
.dg .mono,.seq .mono{font-family:var(--mono)}
.dg .node,.seq .node{fill:#fff;fill-opacity:.82;stroke:rgba(17,22,29,.12)}
.dg .node.gold{fill:url(#dgdGold);fill-opacity:1;stroke:rgba(152,96,10,.35)}
.dg-m .node.gold{fill:url(#dgmGold)}
.seq .node.gold{fill:url(#sqGold);fill-opacity:1;stroke:rgba(152,96,10,.35)}
.dg .node.faded{fill-opacity:.45;stroke-dasharray:4 4}
.dg .node.rec-n{fill:#F6E7E0;fill-opacity:1;stroke:rgba(184,102,74,.35)}
.seq .note{fill:var(--paper);stroke:rgba(17,22,29,.12)}
.seq .life{stroke:rgba(17,22,29,.16);stroke-dasharray:3 5}
.seq .st{font-size:13px;fill:var(--ink-2);font-weight:500}
.dg .fn{font-family:var(--mono);font-size:13px;fill:var(--ink-2)}
.dg .fn.sm{font-size:11.5px}
.dg .cue{font-size:12.5px;fill:var(--mute)}
.dg .rc,.dg .fn.rc{fill:#A5583D}
.dg .tag{fill:var(--ink)}
.dg .tagt{font-size:12px;font-weight:600;fill:var(--paper)}
.dg .lane{text-anchor:start;font-family:var(--mono);font-size:13px;fill:var(--ink-2)}
.dg .lane .lt{font-family:var(--sans);font-weight:700;fill:var(--ink)}
.dg .lane.rc .lt{fill:#A5583D}
.dg .wire,.seq .wire{fill:none;stroke:#B5B3AD;stroke-width:1.6}
.dg .dash,.seq .dash{stroke-dasharray:5 6}
.dg .flow,.seq .flow{fill:none;stroke:#D2950F;stroke-width:2.4;stroke-dasharray:6 8;animation:flow 1.1s linear infinite}
.seq .flow.thick{stroke-width:3.2}
.dg .rec{fill:none;stroke:#B8664A;stroke-width:1.8;stroke-dasharray:4 7;animation:flow 2.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-14}}
.lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.lanes > div{padding:16px 18px;border-radius:16px;background:var(--paper);font-size:14px;color:var(--ink-2);line-height:1.7}
.lanes b{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:500;font-size:15px;margin-bottom:4px}
@media (max-width:760px){.lanes{grid-template-columns:1fr}}
i.lt{display:inline-grid;place-items:center;flex:none;width:22px;height:22px;border-radius:50%;background:var(--ink);color:var(--paper);font-style:normal;font-size:12px;font-weight:600}
i.lt.rc{background:#A5583D}

/* choose a path */
.choose{margin-top:72px}
.choose h3{margin:0;text-align:center;font-weight:300;font-size:clamp(26px,3.2vw,38px);letter-spacing:-.03em}
.seg-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:26px auto 0;max-width:620px;padding:6px;border-radius:999px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line-2)}
.seg-tabs button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:6px 14px;border:0;border-radius:999px;background:transparent;color:var(--ink-2);font-size:15px;transition:background .25s,color .25s,box-shadow .25s}
.seg-tabs button small{color:var(--mute);font-size:12px}
.seg-tabs button i.lt{background:var(--faint)}
.seg-tabs button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 6px 18px rgba(17,22,29,.08)}
.seg-tabs button[aria-selected="true"] i.lt{background:var(--ink)}
@media (max-width:520px){.seg-tabs{border-radius:22px}.seg-tabs button{flex-direction:column;gap:2px;border-radius:17px;padding:10px 8px}.seg-tabs button i.lt{display:none}}
.tabpanel{margin-top:30px}
.b-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:28px;align-items:center;padding:26px;border-radius:24px;background:rgba(255,255,255,.62);box-shadow:inset 0 0 0 1px var(--line-2)}
.b-intro p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.85}
.b-intro p b{color:var(--ink);font-weight:500}
.seq{display:block;width:100%;height:auto}
@media (max-width:760px){.b-intro{grid-template-columns:1fr;padding:20px 12px}.b-intro p{padding:0 8px}.diagram{padding:22px 10px 14px}.diagram figcaption{padding:0 8px}}

.guide{list-style:none;padding:0;margin:20px 0 0;counter-reset:g}
.guide > li{position:relative;padding:26px 0 26px 64px;border-top:1px solid var(--line)}
.guide > li:first-child{border-top:0}
.guide > li::before{counter-increment:g;content:counter(g,decimal-leading-zero);position:absolute;left:0;top:22px;font-size:30px;font-weight:300;color:var(--faint);letter-spacing:-.04em;line-height:1}
.guide .gh{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.guide .gh b{font-weight:500;font-size:19px;letter-spacing:-.02em}
.guide p{margin:8px 0 0;color:var(--ink-2);font-size:15px;line-height:1.8}
.guide .code{margin-top:16px}
@media (max-width:520px){.guide > li{padding-left:0;padding-top:58px}.guide > li::before{top:22px}}
ul.plain{margin:10px 0 0;padding:0;list-style:none;display:grid;gap:8px;color:var(--ink-2);font-size:15px;line-height:1.75}
ul.plain li{padding-left:16px;position:relative}
ul.plain li::before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--gold-lo)}
ul.plain b{color:var(--ink);font-weight:500}

/* mini flows */
.mini{display:flex;align-items:center;flex-wrap:wrap;gap:8px 6px;margin-top:14px}
.actor{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);font-size:13.5px;font-weight:500;white-space:nowrap}
.actor.gold{background:linear-gradient(135deg,#FFE9A3,#F7C94A 55%,#E0A126);box-shadow:none;color:#3A2703}
.arrow{display:inline-flex;flex-direction:column;align-items:center;min-width:76px;margin-top:-14px}
.arrow em{font-style:normal;font-size:11.5px;color:var(--mute);line-height:1.2;white-space:nowrap}
.arrow em.mono{font-family:var(--mono)}
.arrow svg{width:76px;height:12px}
.arrow .a-line{stroke:#A9A7A1;stroke-width:1.5;fill:none;stroke-dasharray:4 4}
.arrow .a-head{stroke:#A9A7A1;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.arrow .g{stroke:#D2950F}
.arrow .a-line.g{stroke-dasharray:6 6;animation:flow 1.1s linear infinite}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;background:rgba(17,22,29,.06);color:var(--ink-2);white-space:nowrap}
.pill.ok{background:rgba(43,191,106,.12);color:#18834A}
.pill.gold{background:rgba(247,197,49,.22);color:#7A5205}

/* binding options + widget */
.opts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
@media (max-width:640px){.opts{grid-template-columns:1fr}}
.opt{padding:18px 20px;border-radius:18px;background:rgba(255,255,255,.65);box-shadow:inset 0 0 0 1px var(--line-2)}
.opt-h{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.opt-h b{font-weight:500;font-size:16px}
.opt p{font-size:14px;margin-top:8px}
.widget{margin-top:14px;padding:22px;border-radius:22px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--line)}
.w-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.w-row + .w-field,.w-field + .w-row{margin-top:16px}
.w-status{font-size:13.5px;color:var(--mute)}
.w-status .mono{color:var(--ink)}
.w-field{display:block;margin-top:16px}
.w-field > span{display:block;font-size:13px;color:var(--mute);margin-bottom:8px}
.w-field input,.w-field textarea{width:100%;padding:13px 18px;border:0;border-radius:16px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);font:inherit;font-size:14.5px;color:var(--ink);outline:none;resize:vertical;font-family:var(--mono)}
.w-field input{height:48px;border-radius:999px;padding:0 18px}
.w-field input:focus,.w-field textarea:focus{box-shadow:inset 0 0 0 1.5px var(--ink)}
.linkbtn{border:0;background:none;padding:0 6px;color:var(--mute);font-size:13.5px;text-decoration:underline;text-underline-offset:3px}
.linkbtn:hover{color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.w-out{margin-top:14px;font-size:14px;color:var(--ink-2);line-height:1.7;min-height:1.7em}
.w-out .err{color:#B23A28}
.w-out .okc{color:#18834A}
.w-out a{text-decoration:underline;text-underline-offset:3px}
.callout{margin-top:14px;padding:16px 20px;border-radius:18px;background:rgba(247,197,49,.12);box-shadow:inset 0 0 0 1px rgba(216,142,11,.22);font-size:14px;color:var(--ink-2);line-height:1.75}
.callout b{color:var(--ink);font-weight:500}
.callout ul{margin:6px 0 0;padding-left:18px}
.code .ptext{display:block}
.sigdata{margin-top:12px;padding:14px 18px;border-radius:16px;background:#fff;box-shadow:inset 0 0 0 1px var(--line-2)}
.sd-h{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--mute)}
.sigdata dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:10px 0 0;font-size:12.5px}
.sigdata dt{color:var(--mute)}
.sigdata dd{margin:0;font-family:var(--mono);word-break:break-all;color:var(--ink)}
@media (prefers-reduced-motion:reduce){.dg .flow,.dg .rec,.seq .flow,.arrow .a-line.g{animation:none}}

/* ---------- faq ---------- */
.faq{padding:6vh var(--pad) 16vh;max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1fr 1.6fr;gap:60px}
@media (max-width:860px){.faq{grid-template-columns:1fr;gap:30px}}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;
  font-size:clamp(17px,1.7vw,20px);letter-spacing:-.015em}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary i{flex:none;width:30px;height:30px;border-radius:50%;box-shadow:inset 0 0 0 1px var(--line);position:relative;transition:transform .35s var(--ease),background .3s}
.faq-list summary i::before,.faq-list summary i::after{content:"";position:absolute;left:50%;top:50%;width:11px;height:1.2px;background:var(--ink);transform:translate(-50%,-50%)}
.faq-list summary i::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .35s var(--ease)}
.faq-list details[open] summary i{background:var(--ink)}
.faq-list details[open] summary i::before,.faq-list details[open] summary i::after{background:var(--paper)}
.faq-list details[open] summary i::after{transform:translate(-50%,-50%) rotate(0)}
.faq-list .ans{padding:0 50px 24px 0;color:var(--ink-2);line-height:1.85}
.faq-side p{color:var(--ink-2);margin:20px 0 0;max-width:320px}

/* ---------- closing ---------- */
.closing{padding:0 var(--pad) var(--pad)}
.closer{position:relative;overflow:hidden;border-radius:32px;min-height:82vh;display:grid;place-items:center;text-align:center;color:var(--cream);padding:90px var(--pad);background:var(--night)}
.closer .tex{position:absolute;inset:0;width:100%;height:100%}
.closer .veil{position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 50%,rgba(7,9,13,.25),rgba(7,9,13,.75))}
.closer .inner{position:relative;z-index:1;max-width:760px}
.closer img.mark{width:110px;height:110px;margin:0 auto 26px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.5))}
.closer h2{margin:0;font-weight:300;font-size:clamp(36px,5.6vw,72px);line-height:1.08;letter-spacing:-.04em}
.closer h2 .m{color:rgba(244,241,232,.55)}
.closer p{color:rgba(244,241,232,.72);margin:20px auto 0;max-width:480px}
.ca{display:flex;align-items:center;gap:10px;max-width:520px;margin:34px auto 0;padding:6px 6px 6px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.ca .k{font-size:12px;letter-spacing:.14em;color:rgba(244,241,232,.55)}
.ca .v{flex:1;min-width:0;font-family:var(--mono);font-size:13px;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ca .btn{height:36px;padding:0 16px;font-size:13px}
.closer .cta{margin-top:22px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.closer .btn.ghost{color:var(--cream);box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.closer .btn.ghost:hover{background:rgba(255,255,255,.08)}

/* ---------- footer ---------- */
footer{padding:56px var(--pad) 44px;max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:30px;font-size:13.5px;color:var(--mute)}
footer .brand{color:var(--ink)}
footer nav{display:flex;gap:24px;flex-wrap:wrap}
footer nav a:hover{color:var(--ink)}
footer .disc{grid-column:1/-1;border-top:1px solid var(--line);padding-top:24px;line-height:1.8;font-size:12.5px}
@media (max-width:640px){footer{grid-template-columns:1fr}}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;z-index:99;padding:12px 18px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:14px;transition:all .35s var(--ease);pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .load-in,.fl > *{animation:none}
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .fx{filter:none!important;opacity:1!important}
}

/* ---------- vault: waiting dividends ---------- */
.wait{display:flex;justify-content:space-between;align-items:flex-end;gap:12px 18px;flex-wrap:wrap;margin-top:18px;padding:20px 22px;border-radius:18px;
  background:linear-gradient(135deg,#FFF3C4,#F9DE85 60%,#F2C14E);color:#3A2703}
.wait .k{font-size:13px;opacity:.8}
.wait .v{font-size:clamp(30px,3.4vw,42px);font-weight:300;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1;margin-top:4px;white-space:nowrap}
.wait .v small{font-size:14px;margin-left:6px;opacity:.7}
.wait .nx{text-align:right;font-size:13px;opacity:.85}
.wait .nx b{display:block;font-size:24px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-top:2px}
.wait .note{flex-basis:100%;font-size:12.5px;opacity:.75;line-height:1.6}

/* ---------- home: claim teaser ---------- */
.claim-teaser .lanes{margin-top:44px}
.teaser-cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ---------- claim page header ---------- */
.claim-head{padding:136px var(--pad) 10px;text-align:center}
.claim-head h1{font-weight:300;font-size:clamp(40px,6.6vw,84px);line-height:1.05;letter-spacing:-.045em;margin:18px 0 0}
.claim-head h1 .m{display:block;color:var(--faint)}
.claim-head .lead{max-width:620px;margin:22px auto 0;color:var(--ink-2);font-size:17px;line-height:1.75}
.vstrip{max-width:1080px;margin:42px auto 0;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:12px;text-align:left}
.vstrip .wait{margin-top:0}
.vstrip .card{padding:20px 22px;display:flex;flex-direction:column;justify-content:space-between;gap:10px}
.vstrip .card .k{font-size:13px;color:var(--mute)}
.vstrip .card .v{font-size:26px;font-weight:300;letter-spacing:-.03em;font-variant-numeric:tabular-nums;white-space:nowrap}
.vstrip .card .v small{font-size:13px;color:var(--mute);margin-left:4px}
.vstrip .card .d{font-size:12.5px;color:var(--mute);line-height:1.6}
.vmeta{max-width:1080px;margin:12px auto 0;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.vmeta .hero-ca{margin-top:0}
.jump{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:30px}
@media (max-width:820px){.vstrip{grid-template-columns:1fr}.vmeta{justify-content:center}}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:500}
body[data-page="claim"] .claim{padding-top:5vh}

#bind,#guide,#lookup,#features,#mechanism,#claim,#faq{scroll-margin-top:88px}