/* falapi.io — dark generation studio theme */
:root{
  --bg:#08080f;
  --bg-2:#0d0d1a;
  --panel:rgba(22,22,38,.62);
  --panel-solid:#14141f;
  --stroke:rgba(255,255,255,.08);
  --stroke-strong:rgba(255,255,255,.16);
  --txt:#eef0ff;
  --txt-dim:#9aa0c0;
  --txt-mute:#6b7096;
  --violet:#8b5cf6;
  --cyan:#22d3ee;
  --pink:#e879f9;
  --grad:linear-gradient(120deg,#8b5cf6 0%,#22d3ee 100%);
  --grad-soft:linear-gradient(120deg,rgba(139,92,246,.18),rgba(34,211,238,.18));
  --radius:18px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.7);
  --glow:0 0 40px -8px rgba(139,92,246,.55);
  font-synthesis-weight:none;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* animated aurora background */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(60% 50% at 15% 10%,rgba(139,92,246,.20),transparent 60%),
  radial-gradient(55% 45% at 85% 20%,rgba(34,211,238,.16),transparent 60%),
  radial-gradient(50% 50% at 50% 100%,rgba(232,121,249,.12),transparent 60%),
  var(--bg);}
.aurora::before,.aurora::after{content:"";position:absolute;width:60vw;height:60vw;border-radius:50%;filter:blur(90px);opacity:.5;}
.aurora::before{background:radial-gradient(circle,rgba(139,92,246,.6),transparent 60%);top:-20vw;left:-10vw;animation:float1 22s ease-in-out infinite;}
.aurora::after{background:radial-gradient(circle,rgba(34,211,238,.5),transparent 60%);bottom:-25vw;right:-10vw;animation:float2 26s ease-in-out infinite;}
@keyframes float1{50%{transform:translate(20vw,10vh) scale(1.15)}}
@keyframes float2{50%{transform:translate(-15vw,-8vh) scale(1.2)}}
.grid-overlay{position:fixed;inset:0;z-index:-1;background-image:
  linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 75%);}

a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(8,8,15,.55);border-bottom:1px solid var(--stroke)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.03em;white-space:nowrap;flex-shrink:0}
.brand .dot{width:32px;height:32px;border-radius:10px;background:var(--grad);box-shadow:var(--glow);display:grid;place-items:center;font-size:17px;color:#fff;flex-shrink:0}
.brand .word{white-space:nowrap;display:inline-flex;align-items:baseline}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.brand .tld{color:var(--txt-mute);font-weight:700}
.nav-links{display:flex;gap:24px;margin-left:14px;color:var(--txt-dim);font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--txt)}
.nav-right{margin-left:auto;display:flex;gap:12px;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:none;cursor:pointer;font:inherit;font-weight:600;
  padding:11px 20px;border-radius:12px;color:#fff;background:var(--grad);box-shadow:var(--glow);transition:transform .15s,box-shadow .2s,filter .2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 50px -6px rgba(139,92,246,.7);filter:brightness(1.06)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--stroke-strong);box-shadow:none}
.btn.ghost:hover{border-color:var(--violet);background:rgba(139,92,246,.08)}
.btn.small{padding:8px 14px;font-size:13.5px;border-radius:10px}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* generic panels */
.card{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.pill{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;border:1px solid var(--stroke-strong);
  font-size:12.5px;color:var(--txt-dim);background:rgba(255,255,255,.03)}
.pill .g{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}

/* hero */
.hero{padding:88px 0 40px;text-align:center;position:relative}
.hero h1{font-size:clamp(36px,6vw,68px);line-height:1.02;letter-spacing:-.035em;font-weight:850;margin:22px auto 18px;max-width:14ch}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:clamp(16px,2.2vw,20px);color:var(--txt-dim);max-width:56ch;margin:0 auto 30px}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{margin-top:26px;color:var(--txt-mute);font-size:13.5px;display:flex;gap:22px;justify-content:center;flex-wrap:wrap}

/* prompt showcase */
.promptbox{max-width:720px;margin:44px auto 0;position:relative}
.promptbox .frame{display:flex;gap:12px;align-items:center;padding:14px 14px 14px 20px;border-radius:16px;background:var(--panel-solid);
  border:1px solid var(--stroke-strong);box-shadow:var(--shadow)}
.promptbox input{flex:1;background:none;border:none;outline:none;color:var(--txt);font:inherit;font-size:16px}
.promptbox input::placeholder{color:var(--txt-mute)}

/* section */
.section{padding:64px 0}
.section h2{font-size:clamp(26px,4vw,40px);letter-spacing:-.03em;font-weight:800;margin:0 0 10px;text-align:center}
.section .lead{color:var(--txt-dim);text-align:center;max-width:56ch;margin:0 auto 40px}

/* model grid */
.models{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.model{padding:20px;border-radius:16px;position:relative;overflow:hidden;transition:transform .2s,border-color .2s}
.model:hover{transform:translateY(-3px);border-color:var(--stroke-strong)}
.model .tag{position:absolute;top:16px;right:16px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan)}
.model h3{margin:0 0 6px;font-size:18px;font-weight:700}
.model .kindico{width:38px;height:38px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--stroke);display:grid;place-items:center;font-size:19px;margin-bottom:14px}
.model p{color:var(--txt-dim);font-size:13.5px;margin:0 0 14px;min-height:38px}
.model .price{font-weight:700;font-size:14px}
.model .price b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;align-items:stretch}
.plan{padding:26px 22px;border-radius:18px;display:flex;flex-direction:column;position:relative;transition:transform .2s,border-color .2s}
.plan:hover{transform:translateY(-4px)}
.plan.feat{border-color:rgba(139,92,246,.5);box-shadow:var(--glow)}
.plan.feat::before{content:"Популярный";position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.03em}
.plan .name{font-weight:700;font-size:16px;color:var(--txt-dim)}
.plan .cr{font-size:34px;font-weight:850;letter-spacing:-.03em;margin:8px 0 2px}
.plan .cr span{font-size:15px;color:var(--txt-mute);font-weight:600}
.plan .rub{font-size:26px;font-weight:800;margin:14px 0 2px}
.plan .per{color:var(--txt-mute);font-size:13px;margin-bottom:18px}
.plan ul{list-style:none;padding:0;margin:0 0 20px;font-size:13.5px;color:var(--txt-dim);display:grid;gap:8px}
.plan ul li::before{content:"✦ ";color:var(--cyan)}
.plan .btn{margin-top:auto}

/* api teaser */
.api-split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.code{background:#0a0a14;border:1px solid var(--stroke);border-radius:16px;padding:20px;font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:13px;line-height:1.7;color:#cbd0f0;overflow-x:auto;box-shadow:var(--shadow)}
.code .k{color:var(--violet)}.code .s{color:#7ee7c7}.code .c{color:var(--txt-mute)}.code .n{color:var(--cyan)}

/* footer */
.footer{border-top:1px solid var(--stroke);padding:40px 0;color:var(--txt-mute);font-size:13.5px;margin-top:40px}
.footer .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between;align-items:center}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(4,4,10,.7);backdrop-filter:blur(6px);z-index:100;display:none;place-items:center;padding:20px}
.modal-bg.open{display:grid}
.modal{width:100%;max-width:400px;padding:30px;border-radius:20px}
.modal h3{margin:0 0 6px;font-size:22px;letter-spacing:-.02em}
.modal p.mut{color:var(--txt-dim);font-size:14px;margin:0 0 22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--txt-dim);margin-bottom:6px}
.input{width:100%;padding:12px 14px;border-radius:11px;background:var(--panel-solid);border:1px solid var(--stroke-strong);color:var(--txt);font:inherit;font-size:15px;outline:none;transition:border-color .15s}
.input:focus{border-color:var(--violet)}
.tabs{display:flex;gap:8px;margin-bottom:20px;background:var(--panel-solid);padding:5px;border-radius:12px}
.tabs button{flex:1;padding:9px;border:none;background:none;color:var(--txt-dim);font:inherit;font-weight:600;border-radius:8px;cursor:pointer}
.tabs button.on{background:var(--grad);color:#fff}
.err{color:#ff8b9a;font-size:13.5px;margin:8px 0 0;min-height:18px}

@media(max-width:760px){
  .nav-links{display:none}
  .api-split{grid-template-columns:1fr}
  .hero{padding:56px 0 20px}
}