/* No colour literals in this file. Every colour is a var() from tokens.css.
   Metrics (56px bar, 1360 wrap, 15px root, 10/14 radii, 4-up tiles, 196px card floor,
   .15s transitions, 1px hover lift, 1000/860/640/560 breakpoints) were read off the
   reference stylesheet; only the ones that stay true for our own content are used. */

*{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;color:var(--ink);background:var(--paper);color-scheme:light;font-optical-sizing:auto;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
html,body{overflow-x:hidden}
body{min-height:100vh;background:var(--paper);font-family:"Bricolage Grotesque Variable","Bricolage Grotesque",system-ui,sans-serif;font-variant-numeric:tabular-nums;line-height:1.4}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
svg{display:block}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
[hidden]{display:none!important}
.nw{white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.serif{font-family:"Instrument Serif",Georgia,serif;font-weight:400}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ---------- top bar ---------- */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:28px;height:56px;padding:0 24px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;font-size:19px;font-weight:700;letter-spacing:-.03em}
.brand .mark{width:26px;height:26px;object-fit:contain}
.grow{flex:1}
.nav{display:flex;gap:4px}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:6px;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:background .15s,color .15s}
.nav a:hover{background:var(--tint);color:var(--ink)}
.chainpill{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:13px;font-weight:600;white-space:nowrap}
.chainpill i{width:7px;height:7px;border-radius:50%;background:var(--ink)}
.social{display:flex;gap:8px}
.soc{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);transition:border-color .15s,background .15s,color .15s}
.soc svg{width:20px;height:20px}
a.soc:hover{background:var(--tint);border-color:var(--ink)}
.soc.inert{border-style:dashed;border-color:var(--line-strong);background:transparent;color:var(--ink-2);cursor:default}
.mmenu-btn{display:none;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--panel);transition:background .15s}
.mmenu-btn:hover{background:var(--tint)}
.mmenu-btn svg{width:20px;height:20px}
.mmenu{position:absolute;top:calc(100% + 8px);right:14px;z-index:50;display:flex;flex-direction:column;min-width:240px;max-width:calc(100vw - 28px);padding:6px;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:0 12px 32px color-mix(in srgb,var(--ink) 16%,transparent)}
.mmenu a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;font-weight:500;transition:background .15s}
.mmenu a:hover{background:var(--tint)}

/* ---------- contract strip ---------- */
.ca{border-bottom:1px solid var(--line);background:var(--panel)}
.ca-in{max-width:1360px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.ca-k{display:block;margin-bottom:4px;color:var(--ink-2);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.ca-v{display:block;font-size:clamp(15px,2.4vw,30px);line-height:1.2;font-weight:600;overflow-wrap:anywhere;word-break:break-all}
.ca-empty{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(22px,3vw,34px);font-weight:400;font-style:italic;color:var(--ink-2);word-break:normal;overflow-wrap:normal}
.ca-note{display:block;margin-top:4px;color:var(--ink-2);font-size:13px}
.ca-copy{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:9px;background:var(--ink);color:var(--paper);font-size:15px;font-weight:600;transition:background .15s}
.ca-copy:hover{background:var(--ink-2)}
.ca-copy svg{width:16px;height:16px}
.ca[data-state="stated"] .ca-text{flex:1;min-width:0}
.ca[data-state="absent"] .ca-in,.ca[data-state="unconfirmed"] .ca-in{border-left:0}
.ca[data-state="absent"] .ca-text,.ca[data-state="unconfirmed"] .ca-text{padding:12px 16px;border:1px dashed var(--line-strong);border-radius:10px;flex:1;min-width:0}

/* ---------- page frame ---------- */
.wrap{max-width:1360px;margin:0 auto;padding:22px 24px 60px}
.hero-panel{padding:36px 32px 28px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(100deg,var(--wash) 0%,var(--tint) 45%,var(--accent) 100%)}
.eyebrow{margin-bottom:14px;color:var(--ink-2);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:64px;line-height:1.02;letter-spacing:-.02em}
.hero h1 em{font-style:italic}
.hero p{max-width:560px;margin-top:16px;color:var(--ink-2);font-size:17px;line-height:1.5}
.hero-cta{display:flex;gap:10px;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:9px;font-size:15px;font-weight:600;transition:background .15s,border-color .15s,color .15s}
.btn-p{background:var(--ink);color:var(--paper)}
.btn-p:hover{background:var(--ink-2)}
.btn-s{border:1px solid var(--ink);background:transparent}
.btn-s:hover{background:var(--panel)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px}
.tile{padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.tile b{display:block;font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:30px;line-height:1.1;letter-spacing:-.01em}
.tile span{display:block;margin-top:2px;color:var(--ink-2);font-size:13px}
.tile em{display:block;margin-top:6px;color:var(--ink-2);font-size:12px;font-style:normal}
.tile[data-state="absent"],.tile[data-state="unconfirmed"]{border-style:dashed;border-color:var(--line-strong)}
.tile[data-state="absent"] b,.tile[data-state="unconfirmed"] b{color:var(--ink-2)}

/* ---------- sections ---------- */
.sec{margin-top:56px}
.sec-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px;margin-bottom:14px}
.sec-h h2{font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:34px;letter-spacing:-.01em;line-height:1.1}
.sec-h p{color:var(--ink-2);font-size:14px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--ink-2);font-size:13px;transition:border-color .15s,color .15s,background .15s}
.chip:hover{border-color:var(--ink-2);color:var(--ink)}
.chip .n{padding:1px 6px;border-radius:999px;background:var(--tint-2);color:var(--ink);font-size:11px}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip[aria-pressed="true"] .n{background:color-mix(in srgb,var(--paper) 18%,transparent);color:var(--paper)}
.sort{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-size:13px}
.sort select{min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--ink);font-size:13px;cursor:pointer}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:14px}
.card{display:flex;flex-direction:column;gap:8px;min-width:0;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--ink-2);transform:translateY(-1px)}
.card-logo{display:grid;place-items:center;aspect-ratio:1;border-radius:10px;background:var(--tint);font-family:"Instrument Serif",Georgia,serif;font-size:40px;overflow:hidden}
.card-sym{font-size:15px;font-weight:700;letter-spacing:-.01em}
.card-name{overflow:hidden;color:var(--ink-2);font-size:13px;text-overflow:ellipsis;white-space:nowrap}
.card-num{font-size:14px}
.card-num b{font-size:16px}
.card-foot{margin-top:auto;padding-top:4px;color:var(--ink-2);font-size:12px}
.card.ghost{border-style:dashed;border-color:var(--line-strong);background:transparent}
.card.ghost:hover{border-color:var(--line-strong);transform:none}
.card.ghost .card-logo{background:transparent;border:1px dashed var(--line-strong);color:var(--ink-2)}
.empty{grid-column:1/-1;padding:18px 0 4px;color:var(--ink-2);font-size:14px}

.steps{display:grid;gap:10px;list-style:none}
.steps li{display:grid;grid-template-columns:30px 1fr;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.steps .n{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--paper);font-size:13px;font-weight:700}
.steps b{display:block;margin-bottom:3px}
.steps p{color:var(--ink-2);font-size:14.5px;line-height:1.5}

.sheet{max-width:720px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.tabs{display:flex;gap:4px;padding:0 12px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{min-height:44px;padding:0 14px;margin-bottom:-1px;border-bottom:2px solid transparent;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:color .15s,border-color .15s}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{border-color:var(--ink);color:var(--ink)}
.panel{padding:22px 24px 24px}
.panel h3{font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:26px;line-height:1.1}
.panel > p{margin-top:6px;color:var(--ink-2);line-height:1.5}
.verify{display:flex;gap:8px;margin-top:16px}
.verify input{flex:1;min-width:0;min-height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--paper);font-size:14px}
.verify input::placeholder{color:var(--ink-2)}
.result{margin-top:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--wash);font-size:14px;line-height:1.5}
.result[data-status="match"]{border-color:var(--ink);background:var(--tint)}
.result[data-status="mismatch"]{border-color:var(--ink);border-style:double;border-width:3px}
.result .mono{overflow-wrap:anywhere}
.dl{margin-top:14px;border:1px solid var(--line);border-radius:10px;padding:4px 14px}
.dl div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.dl div:first-child{border-top:0}
.dl dt{color:var(--ink-2)}
.dl dd{text-align:right;font-weight:600;overflow-wrap:anywhere}
.dl small{display:block;color:var(--ink-2);font-weight:400;font-size:12px}
.fine{margin-top:12px;color:var(--ink-2);font-size:12.5px;line-height:1.45}

/* ---------- footer ---------- */
.footer{margin-top:72px;border-top:1px solid var(--line);background:var(--panel)}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;max-width:1360px;margin:0 auto;padding:36px 24px 26px}
.footer-brand p{max-width:340px;margin-top:10px;color:var(--ink-2);line-height:1.5}
.footer .social{margin-top:14px}
.fcol{display:grid;align-content:start;gap:2px;font-size:14.5px}
.fcol b{margin-bottom:4px;color:var(--ink-2);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.fcol a{display:flex;align-items:center;min-height:44px;color:var(--ink-2);transition:color .15s}
.fcol a:hover{color:var(--ink)}
.fcol span{display:flex;align-items:center;min-height:44px;color:var(--ink-2)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;max-width:1360px;margin:0 auto;padding:16px 24px 28px;border-top:1px solid var(--line);color:var(--ink-2);font-size:13px}

/* ---------- breakpoints ---------- */
@media (max-width:1280px){.top{gap:18px}}
@media (max-width:1000px){
  .hero h1{font-size:48px}
  .tiles{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav{display:none}
  .mmenu-btn{display:grid}
  .footer-in{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .card{padding:10px;border-radius:12px}
  .card-logo{font-size:30px}
  .hero-panel{padding:24px 18px 18px}
  .hero h1{font-size:40px}
  .hero p{font-size:15px}
  .hero-cta{flex-wrap:wrap}
  .tiles{gap:8px;margin-top:18px}
  .tile b{font-size:24px}
  .sec-h h2{font-size:30px}
  .verify{flex-direction:column}
  .panel{padding:18px 16px 20px}
}
@media (max-width:560px){
  .top{gap:8px;padding:0 14px}
  .chainpill{display:none}
  .ca-in,.wrap,.footer-in,.footer-bottom{padding-left:14px;padding-right:14px}
  .footer-in{grid-template-columns:1fr}
  .ca-copy{width:100%;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover{transform:none}
}