:root{
  --bg:#05080c;
  --panel:#0b1118;
  --panel-2:#0e1520;
  --line:#182231;
  --text:#dbe7f3;
  --muted:#8296ad;
  --accent:#22d3ee;
  --accent-2:#818cf8;
  --ok:#34d399;
  --bad:#f87171;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(129,140,248,.12), transparent 60%),
    radial-gradient(800px 420px at 10% -5%, rgba(34,211,238,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height:1.6;
  min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:0 24px}

nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(5,8,12,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--mono);font-weight:700;font-size:17px;color:var(--text);display:flex;align-items:center;gap:9px}
.logo:hover{text-decoration:none}
.logo .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 14px rgba(34,211,238,.55)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14.5px}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--text);text-decoration:none}
.lang-btn{
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
  background:transparent;border:1px solid var(--line);border-radius:8px;
  padding:5px 10px;cursor:pointer;transition:.15s;
}
.lang-btn:hover{color:var(--text);border-color:var(--accent)}

.hero{padding:96px 0 56px;text-align:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;color:var(--accent);
  border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.07);
  padding:6px 14px;border-radius:999px;margin-bottom:28px;
}
.badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--ok);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1{
  font-size:clamp(38px,6vw,62px);
  font-weight:800;letter-spacing:-.03em;line-height:1.08;
}
h1 .brand{
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.subtitle{
  max-width:620px;margin:22px auto 0;color:var(--muted);font-size:18px;
}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:640px;margin:52px auto 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 12px}
.stat b{display:block;font-size:26px;letter-spacing:-.02em;font-family:var(--mono)}
.stat span{font-size:12.5px;color:var(--muted)}

section{padding:72px 0}
.section-title{font-size:30px;font-weight:800;letter-spacing:-.02em;text-align:center}
.section-sub{text-align:center;color:var(--muted);margin-top:10px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 22px;
  transition:border-color .15s,transform .15s;
}
.step:hover{border-color:rgba(34,211,238,.45);transform:translateY(-2px)}
.step-num{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.14em}
.step h3{font-size:17.5px;margin:12px 0 8px;letter-spacing:-.01em}
.step p{color:var(--muted);font-size:14.5px}
.step a{color:var(--accent)}

.snippet{
  margin-top:44px;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  text-align:left;
}
.snippet-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 18px;border-bottom:1px solid var(--line);background:var(--panel-2);
}
.snippet-head span{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.copy-btn{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  background:transparent;border:1px solid var(--line);border-radius:7px;
  padding:5px 12px;cursor:pointer;transition:.15s;
}
.copy-btn:hover{color:var(--text);border-color:var(--accent)}
.snippet pre{padding:22px;overflow-x:auto}
.snippet code{font-family:var(--mono);font-size:13.5px;line-height:1.7;color:#c9d8ea}
.tk-key{color:var(--accent)}
.tk-str{color:var(--ok)}
.tk-punc{color:#5b7089}

.records{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:36px}
.record-chip{
  font-family:var(--mono);font-size:13px;color:var(--text);
  border:1px solid var(--line);background:var(--panel);
  padding:8px 16px;border-radius:999px;
}
.record-chip em{color:var(--accent);font-style:normal;margin-right:7px}

.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:44px}
.tool-card{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px 24px;
  text-decoration:none;color:var(--text);
  transition:border-color .15s,transform .15s;
}
.tool-card:hover{border-color:rgba(34,211,238,.45);transform:translateY(-2px);text-decoration:none}
.tool-icon{font-size:32px;margin-bottom:14px}
.tool-card h3{font-size:17px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
.tool-card p{color:var(--muted);font-size:14px}

.faq-list{max-width:720px;margin:40px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:15.5px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:19px;flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 22px 18px;color:var(--muted);font-size:14.5px}

.cta-band{
  margin:24px 0 72px;
  background:linear-gradient(120deg,rgba(34,211,238,.09),rgba(129,140,248,.09));
  border:1px solid var(--line);border-radius:20px;
  padding:48px 32px;text-align:center;
}
.cta-band h2{font-size:26px;letter-spacing:-.02em}
.cta-band p{color:var(--muted);margin:10px 0 26px}
.btn-big{
  display:inline-block;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  color:#04121a;font-weight:700;font-size:15.5px;border-radius:12px;padding:14px 30px;
  transition:filter .15s;
}
.btn-big:hover{filter:brightness(1.12);text-decoration:none}
.cta-band p.cta-note{margin:18px auto 0;font-size:13px;color:var(--muted);max-width:520px}
.cta-note a{color:var(--fg)}

footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:13.5px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}
footer a:hover{color:var(--text)}

@media(max-width:760px){
  .steps{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat b{font-size:19px}
  .nav-links a.hide-mobile{display:none}
  .hero{padding:68px 0 40px}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}