:root{
  --bg:#0b0e14; --bg-2:#11151f; --panel:#151b27; --border:#222b3a;
  --text:#e6edf3; --muted:#8b97a8; --accent:#4f9cf9; --accent-2:#7c5cff;
  --green:#3fb950; --amber:#d29922; --red:#f85149; --code:#0d1117;
  --radius:12px; --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
code,pre,.mono{font-family:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.muted{color:var(--muted)}

.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem 1.5rem;border-bottom:1px solid var(--border);position:sticky;top:0;
  background:rgba(11,14,20,.85);backdrop-filter:blur(8px);z-index:10}
.brand{font-weight:700;font-size:1.15rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--accent);font-size:1.3rem}
.nav nav{display:flex;align-items:center;gap:1.25rem}
.nav nav a{color:var(--muted);font-weight:500}
.nav nav a:hover,.nav nav a.active{color:var(--text);text-decoration:none}

main{max-width:var(--maxw);margin:0 auto;padding:2.5rem 1.5rem}
.footer{max-width:var(--maxw);margin:3rem auto 2rem;padding:1.5rem;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:var(--muted);font-size:.9rem}

.btn{display:inline-block;background:var(--accent);color:#fff;padding:.7rem 1.2rem;border-radius:10px;
  font-weight:600;border:0;cursor:pointer;font-size:.95rem}
.btn:hover{background:#3b8af0;text-decoration:none}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);background:var(--bg-2)}
.btn-sm{padding:.45rem .85rem;font-size:.85rem;border-radius:8px}
button.link{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;padding:0}
button.link:hover{color:var(--text)}
form.inline{display:inline}

/* hero */
.hero{text-align:center;padding:3rem 0 2rem}
.hero h1{font-size:2.9rem;margin:0 0 1rem;background:linear-gradient(120deg,#fff,#9fc6ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.25rem;color:var(--muted);max-width:640px;margin:0 auto 1.8rem}
.hero .cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.pill{display:inline-block;padding:.25rem .7rem;border:1px solid var(--border);border-radius:999px;
  font-size:.8rem;color:var(--muted);margin-bottom:1.2rem}

.engines{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin:2rem auto;max-width:720px}
.engines span{background:var(--panel);border:1px solid var(--border);border-radius:8px;
  padding:.35rem .7rem;font-size:.82rem;color:var(--muted)}
.engines span.live{color:var(--green);border-color:#1f3a26}

pre{background:var(--code);border:1px solid var(--border);border-radius:var(--radius);
  padding:1rem 1.2rem;overflow-x:auto;font-size:.86rem;line-height:1.55}
pre .c{color:var(--muted)} pre .k{color:var(--accent)} pre .s{color:#7ee787} pre .n{color:#f0b86e}
code.inline{background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:.1rem .4rem;font-size:.85em}

.grid{display:grid;gap:1.2rem}
.cols-2{grid-template-columns:1fr 1fr}
@media(max-width:760px){.cols-2{grid-template-columns:1fr}.hero h1{font-size:2.1rem}}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem}
.section-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 .4rem}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:1rem;margin-top:1.5rem}
.plan{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column}
.plan.hl{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.plan .name{font-weight:700;font-size:1.1rem}
.plan .price{font-size:2rem;font-weight:700;margin:.3rem 0}
.plan .price small{font-size:.9rem;color:var(--muted);font-weight:400}
.plan .tag{color:var(--muted);font-size:.85rem;min-height:2.4em}
.plan ul{list-style:none;padding:0;margin:1rem 0;flex:1}
.plan li{padding:.3rem 0;font-size:.88rem;color:var(--text)}
.plan li::before{content:"✓";color:var(--green);margin-right:.5rem}
.badge{display:inline-block;background:var(--accent);color:#fff;font-size:.7rem;padding:.15rem .5rem;border-radius:999px;margin-left:.4rem;vertical-align:middle}

table.cmp{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}
table.cmp th,table.cmp td{padding:.6rem .8rem;border-bottom:1px solid var(--border);text-align:left}
table.cmp th{color:var(--muted);font-weight:600}
table.cmp .win{color:var(--green);font-weight:600}

/* forms */
.auth{max-width:400px;margin:2rem auto}
.auth h1{font-size:1.6rem;text-align:center}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem}
.field input{width:100%;background:var(--bg-2);border:1px solid var(--border);border-radius:9px;
  padding:.7rem .8rem;color:var(--text);font-size:.95rem}
.field input:focus{outline:0;border-color:var(--accent)}
.error{background:#2d1518;border:1px solid #5c2327;color:#ffb3b3;padding:.7rem .9rem;border-radius:9px;margin-bottom:1rem;font-size:.9rem}
.ok{background:#13261a;border:1px solid #1f5132;color:#86efac;padding:.7rem .9rem;border-radius:9px;margin-bottom:1rem;font-size:.9rem}
.full{width:100%}
.center{text-align:center}

/* dashboard */
.keyrow{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.keyrow code{flex:1;min-width:240px;background:var(--code);border:1px solid var(--border);border-radius:8px;
  padding:.65rem .8rem;font-size:.85rem;overflow-x:auto;white-space:nowrap}
.meter{height:10px;background:var(--bg-2);border-radius:999px;overflow:hidden;border:1px solid var(--border);margin:.6rem 0}
.meter > span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.meter.warn > span{background:var(--amber)} .meter.over > span{background:var(--red)}
.stat{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted)}
.big{font-size:1.8rem;font-weight:700;color:var(--text)}

/* docs */
.doc-layout{display:grid;grid-template-columns:200px 1fr;gap:2rem}
@media(max-width:760px){.doc-layout{grid-template-columns:1fr}}
.doc-nav{position:sticky;top:80px;align-self:start;font-size:.9rem}
.doc-nav a{display:block;color:var(--muted);padding:.25rem 0}
.doc-nav a:hover{color:var(--text);text-decoration:none}
.doc-nav .grp{color:var(--text);font-weight:600;margin:.8rem 0 .3rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}
.doc section{margin-bottom:2.5rem;scroll-margin-top:80px}
.doc h2{border-bottom:1px solid var(--border);padding-bottom:.4rem}
.params{width:100%;border-collapse:collapse;font-size:.88rem;margin:.6rem 0}
.params th,.params td{padding:.45rem .6rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.params th{color:var(--muted)}
.params .req{color:var(--amber);font-size:.75rem}
.tagline-live{color:var(--green);font-size:.8rem}
.tagline-proxy{color:var(--amber);font-size:.8rem}