:root{
  --bg:#f8fafc; --card:#fff; --muted:#64748b; --text:#1f2937;
  --accent:#22c55e; --accent-2:#ef4444; --danger:#ef4444;
  --border:#e2e8f0; --radius:14px; --shadow:0 8px 24px rgba(2,6,23,.06);
  --maxw:1120px;
}
*{box-sizing:border-box}
html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(34,197,94,.18), transparent 50%),
    radial-gradient(900px 500px at 100% 0, rgba(239,68,68,.16), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  line-height:1.55
}
html,body{overflow-x:clip}
@supports not (overflow:clip){html,body{overflow-x:hidden}}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:24px}

header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:16px;justify-content:space-between;padding:8px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.brand img{height:30px}
.brand .name{font-size:1.05rem;color:var(--text)}
.nav .cta{display:flex;gap:10px}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem .8rem;border:1px solid var(--border);border-radius:12px;font-weight:700;position:relative;overflow:hidden;font-size:.92rem}
.btn.primary{background:#22c55e;color:#fff;border:0;box-shadow:none}
.btn.secondary:hover{background:#e2e8f0;border-color:#e2e8f0}
header .cta .btn{justify-content:center;text-align:center}
.btn::after{content:none!important}

.hero{padding:48px 0 28px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.eyebrow{color:var(--accent);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}
.h1{font-size:clamp(28px,5vw,44px);line-height:1.1;font-weight:900;margin:.25rem 0 .75rem}
.lead{font-size:clamp(16px,2.2vw,18px);color:var(--muted)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}

.demo{border:1px solid var(--border);border-radius:16px;background:var(--card);box-shadow:var(--shadow);padding:18px;position:relative;overflow:hidden}
.demo h3{margin:0 0 10px;font-size:1rem;color:var(--text)}
.row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:10px 8px;border-radius:10px}
.row+.row{border-top:1px dashed var(--border)}
.sym{font-weight:800;letter-spacing:.5px}
.price{opacity:.95}
.pct{font-weight:800}
.pct.pos,.price.pos{color:var(--accent)}
.pct.neg,.price.neg{color:var(--danger)}
.badge{font-size:.78rem;color:#fff;background:#22c55e;border-radius:999px;padding:.25rem .55rem;font-weight:800;position:relative}
.live-ring{position:absolute;left:-6px;top:-6px;right:-6px;bottom:-6px;border-radius:999px;border:2px solid rgba(34,197,94,.25);pointer-events:none}

.coin{position:absolute;font-size:22px;opacity:.45;filter:drop-shadow(0 4px 10px rgba(0,0,0,.08));user-select:none;pointer-events:none;z-index:0;contain:layout;will-change:transform}
section>:not(.coin),.hero>:not(.coin),footer>:not(.coin){position:relative;z-index:1}

section{padding:56px 0;position:relative}
.section-title{font-size:1.6rem;font-weight:900;letter-spacing:-.02em;margin:0 0 18px}
.muted{color:var(--muted)}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.feature svg{width:26px;height:26px}
.feature h3{margin:.5rem 0 .35rem;font-size:1.05rem}

.how{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{border:1px solid var(--border);border-radius:16px;padding:18px;background:var(--card);box-shadow:var(--shadow)}
.step .n{font-weight:900;color:var(--accent)}

.faq{display:grid;gap:12px}
details{border:1px solid var(--border);border-radius:12px;padding:12px 14px;background:var(--card);box-shadow:var(--shadow);overflow:hidden}
summary{cursor:pointer;font-weight:800;outline:none;list-style:none;display:flex;align-items:center;gap:.6rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"";margin-left:auto;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);transition:transform .28s ease}
details[open] summary::after{transform:rotate(45deg)}
details .faq-content{overflow:hidden;height:0;opacity:.88}

.contacts{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px}
.contact-row{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.contact-row .chip{
  display:inline-flex;align-items:center;gap:.45rem;
  background:#f1f5f9;border:1px solid var(--border);border-radius:999px;
  padding:.35rem .6rem;font-weight:700;font-size:.92rem
}
.chip code{font-weight:800}
.chip.clickable{cursor:pointer;user-select:none}
.chip.clickable:hover{background:#e2e8f0;border-color:#dbe3ee}
.chip.copied{background:#d1fae5;border-color:#a7f3d0}
.chip .icon{width:18px;height:18px;display:inline-block;vertical-align:-2px}

footer{border-top:1px solid var(--border);padding:26px 0;color:var(--muted);font-size:.95rem;position:relative}
footer .container{display:flex;justify-content:center;text-align:center}

@media (max-width:920px){.hero-grid{grid-template-columns:1fr}.contacts{grid-template-columns:1fr}}
@media (max-width:840px){.feature-grid,.how{grid-template-columns:1fr 1fr}}
@media (max-width:540px){
  .feature-grid,.how{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center}
  header .cta .btn{width:auto}
}

.reveal{opacity:0;transform:translateY(12px)}
.btn.primary:hover{background:#16a34a}
.btn.primary:active{background:#15803d}

@media (max-width:640px){
  header .container{padding:8px 14px}
  .nav{padding:2px 0;gap:10px}
  .brand img{height:20px}
  .brand .name{font-size:.93rem}
  .nav .cta{flex:1;justify-content:flex-end;min-width:0;gap:8px}
  .nav .cta .btn{
    display:inline-flex;align-items:center;justify-content:center;
    height:36px;padding:0 .7rem;border-radius:10px;
    font-size:.75rem;line-height:1;white-space:nowrap;-webkit-tap-highlight-color:transparent
  }
  .nav .cta .btn.primary{border:0}
}

@media (max-width:360px){.brand .name{display:none}}