:root{
  --bg:#07080d; --panel:rgba(19,21,30,.72); --line:rgba(255,255,255,.08);
  --txt:#eef0f6; --dim:#8b90a3; --acc:#5b8cff; --acc2:#8b5cf6; --ok:#22c55e; --warn:#f59e0b;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  overflow-x:hidden;min-height:100%}
a{color:var(--dim);text-decoration:none}
.hidden{display:none!important}

/* background */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;filter:blur(60px);opacity:.55}
.orb{position:absolute;border-radius:50%;display:block}
.o1{width:520px;height:520px;background:#2b4fd0;top:-160px;left:-120px;animation:float 18s ease-in-out infinite}
.o2{width:420px;height:420px;background:#7c3aed;top:18%;right:-140px;animation:float 22s ease-in-out infinite reverse}
.o3{width:380px;height:380px;background:#0ea5e9;bottom:-160px;left:35%;animation:float 26s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(30px,-40px,0)}}

/* nav */
.nav{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;max-width:1120px;margin:0 auto}
.brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:.2px}
.brand b{font-weight:750;background:linear-gradient(92deg,#a5b4fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc2));
  box-shadow:0 0 14px rgba(91,140,255,.9)}
.navright{display:flex;align-items:center;gap:10px}
.badge{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--dim)}

/* buttons */
.btn{border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--txt);
  padding:11px 18px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;
  transition:.18s transform,.18s background,.18s box-shadow;font-family:inherit}
.btn:hover{background:rgba(255,255,255,.09);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.99)}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));border:none;
  box-shadow:0 10px 30px -10px rgba(91,140,255,.8)}
.btn.primary:hover{box-shadow:0 14px 36px -10px rgba(139,92,246,.9)}
.btn.wide{width:100%;margin-top:16px;padding:14px}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* hero */
main{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:0 22px 60px}
.hero{padding:34px 0 10px;text-align:center}
.pill{display:inline-block;font-size:12.5px;color:#c7d2fe;background:rgba(91,140,255,.13);
  border:1px solid rgba(91,140,255,.3);padding:5px 13px;border-radius:999px;margin-bottom:18px}
h1{font-size:clamp(28px,5.4vw,46px);line-height:1.12;margin:0 0 14px;letter-spacing:-.6px;font-weight:700}
.grad{background:linear-gradient(96deg,#7dd3fc,#a78bfa 55%,#f0abfc);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--dim);margin:0 auto 30px;max-width:520px}

/* card */
.card{max-width:460px;margin:0 auto;background:var(--panel);border:1px solid var(--line);
  border-radius:22px;padding:22px;backdrop-filter:blur(22px);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.06)}
.cardhead{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.lbl{font-size:12.5px;color:var(--dim);margin-bottom:6px;letter-spacing:.2px}
.amount{font-size:32px;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.chip{font-size:12px;padding:5px 10px;border-radius:8px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);color:var(--dim);white-space:nowrap}

/* steps */
.steps{display:flex;align-items:center;gap:6px;margin:4px 0 6px}
.step{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;position:relative;opacity:.45;transition:.22s}
.step i{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-style:normal;
  font-size:12.5px;font-weight:700;background:rgba(255,255,255,.08);border:1px solid var(--line)}
.step span{font-size:11px;color:var(--dim)}
.step.active,.step.done{opacity:1}
.step.active i{background:linear-gradient(135deg,var(--acc),var(--acc2));border:none;color:#fff;
  box-shadow:0 0 0 4px rgba(91,140,255,.16)}
.step.done i{background:rgba(34,197,94,.18);border-color:rgba(34,197,94,.5);color:#4ade80}

.hint{font-size:12.5px;color:var(--dim);text-align:center;margin-top:12px;min-height:18px}

/* wallet row */
.wallet{display:flex;align-items:center;gap:12px;margin-top:16px;padding:12px;
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03)}
.wico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(91,140,255,.25),rgba(139,92,246,.25));color:#c7d2fe}
.wmeta{flex:1;display:flex;flex-direction:column;line-height:1.35;min-width:0}
.wmeta b{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wmeta span{font-size:11.5px;color:var(--dim);text-transform:capitalize}
.wbal{font-size:13px;font-weight:600;color:#a5f3c8;font-variant-numeric:tabular-nums}

/* stats + how */
.stats{display:flex;justify-content:center;gap:clamp(18px,6vw,64px);margin:44px 0 10px;
  padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.stats div{text-align:center}
.stats b{display:block;font-size:20px;font-weight:700;letter-spacing:-.3px}
.stats span{font-size:12px;color:var(--dim)}

.how{margin-top:60px;text-align:center}
.how h2{font-size:21px;margin:0 0 24px;letter-spacing:-.3px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tile{text-align:left;padding:18px;border:1px solid var(--line);border-radius:16px;
  background:rgba(255,255,255,.025);transition:.2s}
.tile:hover{background:rgba(255,255,255,.05);transform:translateY(-2px)}
.tile .n{font-size:11.5px;color:var(--acc);font-weight:700;letter-spacing:1px;margin-bottom:8px}
.tile h3{margin:0 0 6px;font-size:14.5px}
.tile p{margin:0;font-size:12.8px;color:var(--dim);line-height:1.5}

footer{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:26px 22px 40px;
  display:flex;gap:8px;align-items:center;color:var(--dim);font-size:12.5px;border-top:1px solid var(--line)}
.sep{opacity:.4}

/* toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,140%);z-index:99;
  background:rgba(20,22,32,.96);border:1px solid var(--line);border-radius:14px;
  padding:13px 20px;font-size:13.5px;box-shadow:0 20px 50px -10px rgba(0,0,0,.9);
  transition:.35s cubic-bezier(.2,.9,.3,1.2);max-width:88vw;text-align:center}
.toast.show{transform:translate(-50%,0)}
.toast.ok{border-color:rgba(34,197,94,.45)}
.toast.err{border-color:rgba(239,68,68,.5)}

@media(max-width:760px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .nav{padding:14px 16px}
  main{padding:0 16px 40px}
  .card{padding:18px;border-radius:18px}
  .amount{font-size:27px}
  .stats{gap:22px;margin-top:32px}
  footer{flex-wrap:wrap;padding:22px 16px 34px}
}