:root{
  --bg:#07080c;--bg2:#0c0e15;--card:rgba(18,20,30,.78);--card2:#12141d;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --text:#eef0f6;--muted:#8b91a3;--gold:#f5c518;--gold2:#ffdf5d;--bnb:#f3ba2f;--ok:#22c55e;--warn:#f59e0b;--bad:#ef4444;
  --r:16px;--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  background-image:radial-gradient(900px 500px at 15% -10%,rgba(245,197,24,.13),transparent 60%),
                   radial-gradient(800px 500px at 100% 0%,rgba(80,110,255,.10),transparent 60%);background-attachment:fixed;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono);font-size:.82rem;word-break:break-all}
.gold{color:var(--gold)}
.grad{background:linear-gradient(90deg,var(--gold),var(--gold2));-webkit-background-clip:text;background-clip:text;color:transparent}
.ok{color:var(--ok)}
.kw-hide{display:none!important}
.kw-tiny{font-size:.74rem;color:var(--muted)}
.kw-muted{color:var(--muted)}
.kw-link{color:var(--gold);text-decoration:none;font-weight:600}
.kw-link:hover{text-decoration:underline}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,8,12,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.brand img{border-radius:10px}
.brand b{color:var(--gold)}
.links{display:flex;gap:4px;margin-left:12px}
.links a{color:var(--muted);text-decoration:none;font-weight:500;font-size:.9rem;padding:8px 12px;border-radius:10px;transition:.2s}
.links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line2);background:transparent;cursor:pointer;flex-direction:column;
  align-items:center;justify-content:center;gap:4px}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px}
#hdrConnect .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
#hdrConnect.on .dot{background:var(--ok);box-shadow:0 0 0 3px rgba(34,197,94,.2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;font:inherit;font-weight:700;
  cursor:pointer;transition:.18s;white-space:nowrap;color:var(--text)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:linear-gradient(180deg,var(--gold2),var(--gold));color:#141006;padding:15px 18px;font-size:1.02rem;box-shadow:0 8px 30px -8px rgba(245,197,24,.55)}
.btn-primary:hover:not(:disabled){filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line2)}
.btn-ghost:hover:not(:disabled){border-color:rgba(245,197,24,.6);background:rgba(245,197,24,.06)}
.btn-sm{padding:9px 14px;font-size:.86rem}
.btn-xs{padding:6px 10px;font-size:.74rem;border-radius:9px}
.btn-wide{width:100%}
.linkbtn{background:none;border:0;padding:0;color:var(--gold);font:inherit;font-weight:600;font-size:.78rem;cursor:pointer}
.linkbtn:hover{text-decoration:underline}
.kw-spin{display:inline-block;width:1em;height:1em;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:start;padding-top:64px;padding-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.04em;color:var(--muted);
  border:1px solid var(--line2);border-radius:999px;padding:6px 12px;background:rgba(255,255,255,.03)}
.live{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.05;letter-spacing:-.035em;margin:22px 0 18px;font-weight:800}
.lead{font-size:1.08rem;color:#b8bdcc;max-width:34rem;margin:0 0 24px}
.lead b{color:var(--text)}
.trust{list-style:none;padding:0;margin:0 0 30px;display:grid;grid-template-columns:repeat(2,minmax(0,max-content));gap:10px 26px}
.trust li{display:flex;align-items:center;gap:9px;font-weight:500;font-size:.93rem}
.trust i{font-style:normal;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(34,197,94,.14);color:var(--ok);font-size:.75rem;font-weight:800}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats>div{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:12px 16px;min-width:9.5rem}
.hero-stats .k,.stat .k,.crow .k{display:block;font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.02em;margin-bottom:2px}
.hero-stats b{font-size:1.2rem;letter-spacing:-.01em}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-head h2,.card-head h3{margin:0;font-size:1.1rem;letter-spacing:-.01em}
.card-head h3{font-size:1rem}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:600;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:4px 10px}
.bridge-card{box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(245,197,24,.06);background:linear-gradient(180deg,rgba(24,26,38,.92),rgba(16,18,27,.92))}
.box{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.box-head{display:flex;justify-content:space-between;font-size:.76rem;color:var(--muted);font-weight:600;margin-bottom:10px}
.box-head b{color:var(--text)}
.box-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.kb-chain{display:inline-flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap}
.kb-chain img,.kb-chain .kb-bnb{width:34px;height:34px;border-radius:50%;flex:none}
.kb-chain small{display:block;font-size:.7rem;font-weight:500;color:var(--muted)}
.kb-bnb,.bnb-dot{display:inline-flex;align-items:center;justify-content:center;background:var(--bnb);color:#1a1405;font-size:.6rem;font-weight:800}
.bnb-dot{width:22px;height:22px;border-radius:50%;font-size:.5rem}
.amount{display:flex;align-items:center;gap:8px;flex:1 1 10rem;min-width:0;justify-content:flex-end}
.amount input{flex:1;min-width:0;background:transparent;border:0;outline:0;text-align:right;color:var(--text);font:800 1.85rem Inter,sans-serif;letter-spacing:-.02em;padding:0}
.amount input::placeholder{color:rgba(139,145,163,.45)}
.receive{font-size:1.85rem;font-weight:800;letter-spacing:-.02em;text-align:right;flex:1 1 8rem;word-break:break-all}
.receive small{font-size:.9rem;color:var(--muted);font-weight:600}
.swap-wrap{display:flex;justify-content:center;margin:-10px 0;position:relative;z-index:2}
.swap{width:42px;height:42px;border-radius:12px;border:4px solid #151724;background:var(--gold);color:#141006;display:inline-flex;align-items:center;
  justify-content:center;cursor:pointer;transition:transform .3s}
.swap:hover{transform:rotate(180deg)}
.recip{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line2)}
.recip-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:3px}
.recip-addr{color:var(--text)}
#kbRecipBox{margin-top:8px}
.input{width:100%;background:rgba(0,0,0,.25);border:1px solid var(--line2);border-radius:10px;padding:10px 12px;color:var(--text);outline:0}
.input:focus{border-color:rgba(245,197,24,.6)}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0 6px}
.facts div{background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:12px;padding:9px 12px}
.facts dt{font-size:.7rem;color:var(--muted);font-weight:600}
.facts dd{margin:2px 0 0;font-weight:700;font-size:.86rem}
.err{color:var(--bad);font-size:.82rem;min-height:1.2rem;margin:6px 0}
.alert{border-radius:12px;padding:12px 14px;font-size:.84rem;line-height:1.55;border:1px solid;margin-bottom:12px}
.alert-warn{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.35)}
.alert-bad{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.4)}
.alert-info{background:rgba(255,255,255,.03);border-color:var(--line2);color:#c3c7d4;margin:14px 0 0}
.pick{margin-top:14px;border:1px solid var(--line2);border-radius:12px;padding:12px;background:rgba(0,0,0,.2)}
.pick button{display:flex;align-items:center;gap:10px;width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:10px;
  padding:10px 12px;margin-bottom:8px;cursor:pointer;color:var(--text);font:inherit;font-weight:600}
.pick button:hover{border-color:rgba(245,197,24,.6)}
.pick img{width:24px;height:24px;border-radius:6px}

/* progress */
.progress{margin-top:14px}
.prog-title{font-weight:700;margin-bottom:10px}
.steps{list-style:none;margin:0 0 10px;padding:0}
.steps li{display:flex;gap:12px;align-items:flex-start;padding:7px 0}
.steps li i{width:20px;height:20px;border-radius:50%;border:2px solid var(--line2);flex:none;margin-top:1px;display:inline-flex;align-items:center;justify-content:center}
.steps li b{display:block;font-size:.88rem;color:var(--muted)}
.steps li span{display:block;word-break:break-all}
.steps li.kb-active i{border-color:var(--gold);border-right-color:transparent;animation:spin .7s linear infinite}
.steps li.kb-active b,.steps li.kb-done b{color:var(--text)}
.steps li.kb-done i{background:var(--ok);border-color:var(--ok)}
.steps li.kb-done i::after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg)}
.steps li.kb-fail i{background:var(--bad);border-color:var(--bad)}
.steps li.kb-fail b{color:var(--bad)}

/* sections */
.section{padding-top:64px}
.sec-head{margin-bottom:20px}
.sec-head h2{font-size:1.75rem;letter-spacing:-.025em;margin:0 0 6px}
.sec-head p{color:var(--muted);margin:0;max-width:40rem}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:14px}
.stat b{display:block;font-size:1.55rem;letter-spacing:-.02em;margin:4px 0}
.bar{height:6px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;margin-top:10px}
.bar div{height:100%;width:0;background:linear-gradient(90deg,var(--ok),#4ade80);transition:width .8s}
.contracts{padding:6px 20px}
.crow{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.crow:last-child{border-bottom:0}
.crow>div:first-child{min-width:0;flex:1 1 18rem}
.crow .mono a{color:var(--text);text-decoration:none}
.crow .mono a:hover{color:var(--gold)}
.verified{color:var(--ok);font-weight:700;margin-left:6px}
.row{display:flex;gap:8px;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.kw-list{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.kw-item{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-size:.86rem;flex-wrap:wrap}
.kw-item:last-child{border-bottom:0}
.kb-hist-main{min-width:0;flex:1 1 11rem}
.kb-hist-main b{font-size:.88rem}
.kb-st,.dirtag{font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap;border:1px solid}
.kb-st-ok{color:var(--ok);border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.08)}
.kb-st-wait{color:var(--warn);border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.08)}
.kb-st-fail{color:var(--bad);border-color:rgba(239,68,68,.4);background:rgba(239,68,68,.08)}
.dir-out{color:var(--gold);border-color:rgba(245,197,24,.4);background:rgba(245,197,24,.07)}
.dir-in{color:#7aa2ff;border-color:rgba(122,162,255,.4);background:rgba(122,162,255,.07)}
.how-h{display:flex;align-items:center;gap:8px;font-weight:700;margin-bottom:10px}
.how-h img{width:22px;height:22px;border-radius:50%}
.how ol{margin:0;padding-left:1.2rem;color:#b8bdcc;line-height:1.75}
.how b{color:var(--text)}
.faq{padding:4px 20px}
.faq details{border-bottom:1px solid var(--line);padding:15px 0}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--gold);font-weight:700;font-size:1.1rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq summary::-webkit-details-marker{display:none}
.faq p{color:#b8bdcc;margin:10px 0 0;font-size:.92rem}
.foot{margin-top:80px;border-top:1px solid var(--line);padding:30px 0 40px;background:rgba(0,0,0,.25)}
.foot-in{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none;font-size:.88rem}
.foot-links a:hover{color:var(--gold)}

/* responsive */
@media(max-width:980px){
  .hero{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:36px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:820px){
  .links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:rgba(7,8,12,.97);border-bottom:1px solid var(--line);padding:10px 16px;margin:0}
  .links.open{display:flex}
  .burger{display:flex}
  .grid2{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:520px){
  .wrap{padding:0 16px}
  .stats{grid-template-columns:minmax(0,1fr)}
  .trust{grid-template-columns:minmax(0,1fr)}
  .facts{grid-template-columns:minmax(0,1fr)}
  #hdrLabel{max-width:7.5rem;overflow:hidden;text-overflow:ellipsis}
  .card{padding:16px}
  .hero-stats>div{flex:1 1 40%;min-width:0}
}

/* phone polish: get the bridge card on screen fast; stats live in Transparency */
.brand span{white-space:nowrap}
@media(max-width:980px){
  .hero .trust,.hero .hero-stats{display:none}
  .lead{font-size:.98rem;margin-bottom:6px}
  h1{margin:16px 0 12px}
}
@media(max-width:520px){
  .brand{font-size:1rem}
  .brand img{width:30px;height:30px}
  .nav-in{gap:10px}
  #hdrConnect{padding:8px 11px}
  h1{font-size:2rem}
}