:root{
  --bg:#07070c; --panel:#0f0f17; --panel2:#14141f; --line:rgba(255,255,255,.08);
  --text:#f3f3f7; --mute:#9a9ab0; --a1:#ff9a5c; --a2:#ff5c7a; --a3:#8b6cff; --ok:#4ade80;
  --grad:linear-gradient(135deg,var(--a1),var(--a2) 55%,var(--a3));
  --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
code{font-family:'JetBrains Mono',monospace;background:rgba(255,255,255,.07);padding:.1em .4em;border-radius:6px;font-size:.9em}
b{font-weight:700}

.bg-grid{position:fixed;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 0%,#000 10%,transparent 70%);opacity:.5;pointer-events:none;z-index:0}
.glow{position:fixed;width:640px;height:640px;border-radius:50%;filter:blur(120px);opacity:.28;pointer-events:none;z-index:0}
.g1{background:var(--a2);top:-240px;left:-160px}
.g2{background:var(--a3);top:120px;right:-220px}

/* NAV */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 24px));z-index:50;display:flex;align-items:center;justify-content:space-between;padding:10px 14px 10px 18px;background:rgba(15,15,23,.65);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:999px;transition:.3s}
.nav.scrolled{background:rgba(10,10,16,.88)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:18px}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo.small{font-size:16px}
.links{display:flex;gap:26px;color:var(--mute);font-size:14px}
.links a:hover{color:var(--text)}
.nav-actions{display:flex;gap:10px;align-items:center}
.chip{background:rgba(74,222,128,.1);color:var(--ok);border:1px solid rgba(74,222,128,.3);border-radius:999px;padding:7px 13px;font:600 13px Inter;cursor:pointer}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:0;border-radius:999px;padding:12px 22px;font:600 15px Inter;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;color:var(--text)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px -8px rgba(255,92,122,.6)}
.btn-primary:hover{box-shadow:0 12px 40px -6px rgba(255,92,122,.8);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn.sm{padding:7px 14px;font-size:13px}

/* HERO */
main{position:relative;z-index:1}
.hero{text-align:center;padding:150px 20px 40px;max-width:980px;margin:0 auto}
.pill{display:inline-flex;gap:8px;align-items:center;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);font-size:13px;color:var(--mute)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
h1{font-size:clamp(42px,7.5vw,84px);line-height:1.02;letter-spacing:-.045em;font-weight:800;margin:22px 0 18px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2vw,21px);color:var(--mute);max-width:660px;margin:0 auto 30px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fine{font-size:12.5px;color:var(--mute);margin-top:14px;text-align:center}

.demo{margin:56px auto 0;text-align:left;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:22px;box-shadow:0 40px 120px -30px rgba(139,108,255,.35);overflow:hidden;max-width:760px}
.demo-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--mute)}
.demo-bar i{width:11px;height:11px;border-radius:50%;background:#2c2c3c}
.demo-bar i:nth-child(1){background:#ff5f57}.demo-bar i:nth-child(2){background:#febc2e}.demo-bar i:nth-child(3){background:#28c840}
.demo-title{margin-left:10px;flex:1}
.live{display:flex;gap:6px;align-items:center;color:var(--ok)}
.demo-body{padding:22px;min-height:230px;font-size:15px;display:flex;flex-direction:column;gap:14px}
.bub{max-width:88%;padding:11px 15px;border-radius:16px;white-space:pre-wrap}
.bub.u{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}
.bub.a{align-self:flex-start;background:rgba(255,255,255,.07);border-bottom-left-radius:5px}
.caret::after{content:"▍";animation:blink 1s infinite;color:var(--a1)}
@keyframes blink{50%{opacity:0}}
.demo-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.meter{padding:14px 18px;display:flex;flex-direction:column;border-right:1px solid var(--line)}
.meter:last-child{border:0}
.meter span{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute)}
.meter b{font:500 20px 'JetBrains Mono',monospace;margin-top:2px}
.meter b.ok{color:var(--ok)}

.strip{display:grid;grid-template-columns:repeat(4,1fr);max-width:900px;margin:70px auto 0;padding:0 20px;gap:10px;text-align:center;position:relative;z-index:1}
.strip b{display:block;font-size:30px;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip span{color:var(--mute);font-size:13px}

/* SECTIONS */
.section{max-width:1080px;margin:0 auto;padding:110px 20px 0;position:relative;z-index:1}
.section.narrow{max-width:760px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--a1);margin-bottom:10px}
h2{font-size:clamp(30px,4.5vw,48px);letter-spacing:-.035em;line-height:1.08;margin-bottom:12px}
.sub{color:var(--mute);margin-bottom:34px;font-size:17px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(255,154,92,.4)}
.card h3{font-size:20px;margin:14px 0 8px;letter-spacing:-.02em}
.card p{color:var(--mute);font-size:15px}
.num{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;font-weight:800}

/* CALC */
.calc{display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:24px;overflow:hidden}
.calc-in{padding:30px;display:flex;flex-direction:column;gap:24px}
.calc-out{padding:30px;background:radial-gradient(circle at 80% 0,rgba(139,108,255,.22),transparent 60%),rgba(255,255,255,.02);border-left:1px solid var(--line);display:flex;flex-direction:column;gap:20px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:rgba(255,255,255,.05);padding:5px;border-radius:14px}
.seg button{border:0;background:transparent;color:var(--mute);padding:10px 6px;border-radius:10px;font:600 13.5px Inter;cursor:pointer;transition:.2s}
.seg button small{display:block;font-weight:400;font-size:11px;opacity:.8}
.seg button.on{background:var(--grad);color:#fff}
.slider{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--mute)}
.slider span{display:flex;justify-content:space-between}
.slider b{color:var(--text)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:9px;background:rgba(255,255,255,.1);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,122,69,.35);cursor:grab}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,122,69,.35)}
.big span{color:var(--mute);font-size:14px;display:block}
.big b{font-size:clamp(44px,6vw,64px);letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.rows{display:grid;gap:10px}
.rows div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.rows span{color:var(--mute)}
.bar{height:8px;border-radius:9px;background:rgba(255,255,255,.08);overflow:hidden}
.bar div{height:100%;width:10%;background:var(--grad);border-radius:9px;transition:width .4s}
.calc-out small{color:var(--mute);font-size:12.5px}

/* PRICING */
.topup{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tier{position:relative;text-align:left;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1.5px solid var(--line);border-radius:var(--r);padding:26px 22px;color:var(--text);cursor:pointer;transition:.2s;font-family:inherit}
.tier:hover{transform:translateY(-3px);border-color:rgba(255,154,92,.5)}
.tier.sel{border-color:var(--a1);box-shadow:0 0 0 4px rgba(255,154,92,.15),0 20px 50px -20px rgba(255,92,122,.5)}
.tier em{position:absolute;top:-11px;left:18px;background:var(--grad);font-style:normal;font-size:11px;font-weight:700;padding:3px 10px;border-radius:99px}
.t-amt{display:block;font-size:42px;font-weight:800;letter-spacing:-.04em}
.t-sub{color:var(--mute);font-size:14px}
.custom{display:flex;gap:14px;align-items:center;justify-content:space-between;margin-top:18px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);padding:14px 16px 14px 22px;border-radius:99px}
.custom label{display:flex;gap:12px;align-items:center;color:var(--mute);font-size:14px}
.custom input{background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);border-radius:99px;padding:10px 16px;width:130px;font:500 15px Inter;outline:none}
.custom input:focus{border-color:var(--a1)}
.rates-h{margin:46px 0 14px;font-size:18px}
.rates-h small{color:var(--mute);font-weight:400}
.rates{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rate{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.rate h4{font-size:17px}.rate p{color:var(--mute);font-size:13px;margin-bottom:12px}
.rate div{display:flex;justify-content:space-between;font:500 14px 'JetBrains Mono',monospace;padding:4px 0}
.rate span{color:var(--mute);font-family:Inter}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:"+";font-size:24px;color:var(--a1);transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--mute);margin-top:10px}
.footer{position:relative;z-index:1;max-width:760px;margin:110px auto 0;padding:36px 20px 60px;text-align:center;border-top:1px solid var(--line);color:var(--mute);font-size:13px}
.footer .logo{justify-content:center;margin-bottom:12px;color:var(--text)}

/* OVERLAYS */
.overlay{position:fixed;inset:0;z-index:100;background:rgba(5,5,10,.78);backdrop-filter:blur(10px);display:grid;place-items:center;padding:14px;animation:fade .2s}
.overlay[hidden]{display:none}
@keyframes fade{from{opacity:0}}
.console{width:min(860px,100%);height:min(760px,100%);background:var(--panel);border:1px solid var(--line);border-radius:22px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 40px 120px -20px rgba(0,0,0,.8)}
.c-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);gap:10px;flex-wrap:wrap}
.c-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.c-tools select{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line);border-radius:99px;padding:7px 12px;font:500 13px Inter;outline:none}
.c-tools select option{background:#14141f}
.bal{font:600 13px 'JetBrains Mono',monospace;color:var(--ok);background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.3);padding:6px 12px;border-radius:99px}
.bal.low{color:#fbbf24;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.35)}
.x{background:none;border:0;color:var(--mute);font-size:18px;cursor:pointer;padding:6px 10px}
.x:hover{color:#fff}
.login{margin:auto;text-align:center;padding:30px;max-width:420px}
.login h3{font-size:26px;letter-spacing:-.03em;margin-bottom:8px}
.login p{color:var(--mute);margin-bottom:20px}
.login a{color:var(--a1);text-decoration:underline}
.login form{display:flex;gap:8px}
.login input{flex:1;min-width:0;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:99px;padding:13px 18px;color:var(--text);font:500 15px 'JetBrains Mono',monospace;outline:none;text-transform:uppercase}
.login input:focus{border-color:var(--a1)}
.err{color:#ff7a8a;font-size:13.5px;margin-top:12px;min-height:20px}
.chat{display:flex;flex-direction:column;flex:1;min-height:0}
.chat[hidden],.login[hidden]{display:none}
.msgs{flex:1;overflow-y:auto;padding:22px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}
.empty{margin:auto;text-align:center;color:var(--mute)}
.empty h4{color:var(--text);font-size:22px;letter-spacing:-.03em;margin-bottom:14px}
.ideas{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:520px}
.ideas button{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);border-radius:99px;padding:8px 14px;font:500 13px Inter;cursor:pointer}
.ideas button:hover{border-color:var(--a1)}
.m{max-width:90%;padding:12px 16px;border-radius:16px;font-size:15px;line-height:1.6;word-wrap:break-word}
.m.u{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px;white-space:pre-wrap}
.m.a{align-self:flex-start;background:rgba(255,255,255,.06);border-bottom-left-radius:5px}
.m.a p{margin:.4em 0}.m.a p:first-child{margin-top:0}.m.a p:last-child{margin-bottom:0}
.m.a pre{background:#0a0a10;border:1px solid var(--line);padding:12px;border-radius:10px;overflow-x:auto;margin:.6em 0;font:13px/1.5 'JetBrains Mono',monospace}
.m.a ul{padding-left:20px;margin:.4em 0}
.m.err{color:#ff9aa8;background:rgba(255,92,122,.1);border:1px solid rgba(255,92,122,.3)}
.cost{align-self:flex-start;margin:-8px 0 0 6px;font:500 11.5px 'JetBrains Mono',monospace;color:var(--mute)}
.typing{display:inline-flex;gap:4px}.typing i{width:7px;height:7px;border-radius:50%;background:var(--mute);animation:bounce 1.2s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes bounce{30%{transform:translateY(-5px);background:var(--a1)}}
.composer{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);align-items:flex-end}
.composer textarea{flex:1;resize:none;max-height:160px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:18px;padding:12px 16px;color:var(--text);font:15px Inter;outline:none}
.composer textarea:focus{border-color:var(--a1)}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:34px;max-width:460px;width:100%;text-align:center;animation:pop .35s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{transform:scale(.88);opacity:0}}
.confetti{font-size:54px;margin-bottom:6px}
.modal h3{font-size:26px;letter-spacing:-.03em}
.modal p{color:var(--mute);margin:8px 0}
.keybox{display:flex;gap:10px;align-items:center;justify-content:space-between;background:rgba(255,255,255,.05);border:1px dashed var(--a1);border-radius:14px;padding:14px 16px;margin:18px 0 8px}
.keybox code{background:none;font-size:17px;color:var(--a1);letter-spacing:.04em}
.modal .btn-primary{margin-top:16px;width:100%}
.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,30px);background:#1c1c2a;border:1px solid var(--line);padding:12px 20px;border-radius:99px;font-size:14px;opacity:0;pointer-events:none;transition:.3s;z-index:200}
.toast.show{opacity:1;transform:translate(-50%,0)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .links{display:none}
  .cards3,.rates{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr}.calc-out{border-left:0;border-top:1px solid var(--line)}
  .topup{grid-template-columns:repeat(2,1fr)}
  .strip{grid-template-columns:repeat(2,1fr);gap:24px}
  .custom{border-radius:24px}
  .hero{padding-top:120px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}