:root{
  --bg:#0a0912; --panel:rgba(255,255,255,.05); --line:rgba(255,255,255,.13);
  --txt:#f2f0ff; --muted:#9a94b6; --acc:#7c5cff; --acc2:#00e5ff; --ok:#2ef2a0;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Space Grotesk',system-ui,sans-serif;color:var(--txt);background:var(--bg);
  min-height:100vh;padding:56px 16px 260px;overflow-x:hidden}
a{color:var(--acc2)}
code{background:rgba(124,92,255,.16);color:#cdbcff;padding:2px 7px;border-radius:6px;font-size:13px}
.bg-glow{position:fixed;inset:0;background:
  radial-gradient(680px 400px at 12% 8%, rgba(124,92,255,.3), transparent 65%),
  radial-gradient(680px 400px at 88% 92%, rgba(46,242,160,.2), transparent 65%);
  animation:drift 17s ease-in-out infinite alternate}
@keyframes drift{to{transform:scale(1.15) translate(24px,-18px)}}

.wrap{position:relative;width:min(1000px,100%);margin:0 auto}
.head{text-align:center;margin-bottom:30px;animation:up .7s cubic-bezier(.2,.8,.2,1) both}
.pill{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ok);
  border:1px solid var(--line);padding:7px 15px;border-radius:99px;background:var(--panel)}
h1{font-size:clamp(32px,6.5vw,54px);margin:16px 0 8px;letter-spacing:-.02em}
h1 span{background:linear-gradient(90deg,var(--acc),var(--ok));-webkit-background-clip:text;background-clip:text;color:transparent}
.head p{color:var(--muted);font-size:15px}
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-bottom:22px}
.card{padding:26px;border-radius:22px;background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(16px);transition:.4s cubic-bezier(.2,.8,.2,1);
  animation:up .7s cubic-bezier(.2,.8,.2,1) both}
.card:nth-child(2){animation-delay:.08s}.card:nth-child(3){animation-delay:.16s}
.card:hover{transform:translateY(-7px);border-color:var(--ok);box-shadow:0 26px 56px rgba(0,0,0,.5)}
.ico{font-size:26px;display:block;margin-bottom:12px}
.card h3{font-size:18.5px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.2px;line-height:1.65}

.glass{background:var(--panel);border:1px solid var(--line);border-radius:24px;
  backdrop-filter:blur(18px);box-shadow:0 26px 60px rgba(0,0,0,.5)}
.demo{padding:24px;animation:up .7s .24s cubic-bezier(.2,.8,.2,1) both}
.row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;flex-wrap:wrap}
.row span{color:var(--acc2);font-weight:600}
.ghost,.danger{margin-top:14px;margin-right:10px;padding:13px 24px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--txt);
  font-family:inherit;font-size:14px;cursor:pointer;transition:.3s}
.ghost:hover{border-color:var(--acc2);transform:translateY(-3px)}
.danger{border-color:rgba(255,95,126,.5);color:#ff95ae}
.danger:hover{background:rgba(255,95,126,.16);border-color:#ff5f7e}

/* ---- Banner ---- */
.banner{position:fixed;left:50%;bottom:20px;transform:translate(-50%,150%);z-index:300;
  width:min(1100px,calc(100vw - 24px));border-radius:26px;
  background:rgba(13,11,26,.94);border:1px solid var(--line);backdrop-filter:blur(24px);
  box-shadow:0 40px 90px rgba(0,0,0,.7);transition:transform .7s cubic-bezier(.2,.9,.2,1);
  overflow:hidden}
.banner.show{transform:translate(-50%,0)}
.banner-main{display:flex;align-items:center;gap:20px;padding:22px 24px;flex-wrap:wrap}
.emoji{font-size:38px;animation:bounce 2.6s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-8px) rotate(-8deg)}}
.text{flex:1;min-width:260px}
.text h2{font-size:19px;margin-bottom:6px}
.text p{color:var(--muted);font-size:14.2px;line-height:1.6}
.text a{font-weight:600;text-decoration:none;border-bottom:1px dashed currentColor;cursor:pointer}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:14px 24px;border-radius:15px;font-family:inherit;font-size:14.5px;font-weight:700;
  cursor:pointer;transition:.3s cubic-bezier(.34,1.56,.64,1)}
.btn.ghost{margin:0;background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn.ghost:hover{border-color:var(--acc2);transform:translateY(-3px)}
.btn.accept{border:none;color:#07110c;background:linear-gradient(90deg,var(--ok),var(--acc2));
  box-shadow:0 16px 36px rgba(46,242,160,.35)}
.btn.accept:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(46,242,160,.5)}

.detail{padding:4px 24px 24px;border-top:1px dashed rgba(255,255,255,.14);
  animation:slideIn .5s cubic-bezier(.2,.8,.2,1)}
@keyframes slideIn{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}
.opt{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 4px;
  border-bottom:1px solid rgba(255,255,255,.07);cursor:pointer}
.opt b{font-size:15px;display:block}
.opt small{color:var(--muted);font-size:13px}
.opt.locked{opacity:.75;cursor:not-allowed}
.sw{width:54px;height:30px;border:none;border-radius:99px;background:rgba(255,255,255,.16);
  position:relative;cursor:pointer;transition:.35s;flex:none}
.sw i{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;
  transition:.45s cubic-bezier(.34,1.56,.64,1);box-shadow:0 4px 10px rgba(0,0,0,.35)}
.sw.on,.sw[aria-checked=true]{background:linear-gradient(90deg,var(--acc),var(--acc2))}
.sw.on i,.sw[aria-checked=true] i{left:27px}
.sw:disabled{cursor:not-allowed;opacity:.85}
.detail-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}

.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,140%);z-index:400;
  padding:14px 28px;border-radius:99px;background:linear-gradient(90deg,var(--ok),var(--acc2));
  color:#07110c;font-weight:700;font-size:14.5px;box-shadow:0 20px 46px rgba(46,242,160,.4);
  transition:.6s cubic-bezier(.2,.9,.2,1)}
.toast.show{transform:translate(-50%,0)}

@media (max-width:820px){
  body{padding-bottom:340px}
  .banner-main{padding:18px}
  .actions{width:100%}
  .actions .btn{flex:1;min-width:130px}
  .detail{padding:4px 18px 20px}
}
@media (max-width:480px){
  .actions .btn{min-width:100%}
  .emoji{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}