:root{
  --ink:#0A0B0D; --surface:#121418; --raised:#1A1D22; --border:#262A31;
  --accent:#3B9EFF; --accent-deep:#2C7BE5;
  --text:#F5F7FA; --text-2:#9AA3AF; --text-3:#626A75;
  --success:#3DD68C; --warning:#FFB020; --danger:#FF4D4D;
  --max:1160px; --radius:12px;
  --font-head:"Chakra Petch",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--font-body);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-head);font-weight:600;line-height:1.15;margin:0;letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}
h3{font-size:1.05rem}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(10,11,13,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-name{font-family:var(--font-head);font-weight:700;font-size:1.14rem;letter-spacing:.2em}
.nav{display:flex;gap:26px;margin-left:auto;font-size:.9rem;color:var(--text-2)}
.nav a:hover{color:var(--text)}
.hdr-act{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.lang button{background:none;border:0;color:var(--text-3);font:500 .76rem/1 var(--font-mono);
  letter-spacing:.08em;padding:8px 10px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--raised);color:var(--accent)}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:8px;
  color:var(--text);padding:6px 10px;cursor:pointer;font-size:1.1rem;line-height:1.4}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:9px;
  font-weight:500;font-size:.92rem;border:1px solid transparent;cursor:pointer;
  transition:background .15s,border-color .15s,transform .1s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#FFFFFF;font-weight:600}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--raised);border-color:#33383F}

/* hero */
.hero{padding:88px 0 76px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 320px at 22% -8%,rgba(59,158,255,.12),transparent 68%)}
.hero .wrap{position:relative;z-index:1;max-width:820px}
.hero .lead{color:var(--text-2);font-size:1.1rem;margin:20px 0 32px;max-width:62ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:40px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface);
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;
  font-size:.8rem;color:var(--text-2)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--success);flex-shrink:0}

/* sections */
section{padding:76px 0;border-top:1px solid var(--border)}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head p{color:var(--text-2);margin-top:14px}

/* product cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:14px;transition:border-color .15s}
.card:hover{border-color:#343A43}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.card h3{font-family:var(--font-mono);font-size:.95rem;font-weight:500;letter-spacing:.01em}
.card .desc{color:var(--text-2);font-size:.9rem;flex:1}
.tag{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  padding:4px 9px;border-radius:5px;white-space:nowrap}
.tag-live{background:rgba(59,158,255,.16);color:var(--accent)}
.tag-soon{background:var(--raised);color:var(--text-3)}
.fw{display:flex;gap:6px;flex-wrap:wrap}
.fw span{font-family:var(--font-mono);font-size:.68rem;color:var(--text-3);
  border:1px solid var(--border);border-radius:5px;padding:3px 7px}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--border)}
.price{font-family:var(--font-head);font-size:1.35rem;font-weight:600}
.price small{font-size:.72rem;color:var(--text-3);font-weight:400;font-family:var(--font-body)}

/* features */
.feats{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.feat h3{margin-bottom:9px}
.feat p{color:var(--text-2);font-size:.92rem}
.feat-ico{width:38px;height:38px;border-radius:9px;background:var(--raised);
  display:grid;place-items:center;margin-bottom:15px;color:var(--accent)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.step{padding:26px 24px;border-right:1px solid var(--border);background:var(--surface)}
.step:last-child{border-right:0}
.step-n{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);letter-spacing:.14em;margin-bottom:11px}
.step h3{font-size:.98rem;margin-bottom:8px}
.step p{color:var(--text-2);font-size:.87rem}

/* faq */
.faq{max-width:760px}
details{border-bottom:1px solid var(--border);padding:18px 0}
summary{cursor:pointer;font-weight:500;list-style:none;display:flex;
  justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.25rem;line-height:1;flex-shrink:0}
details[open] summary::after{content:"\2212"}
details p{color:var(--text-2);font-size:.93rem;margin-top:12px;max-width:66ch}

/* cta band */
.band{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:48px 40px;text-align:center}
.band p{color:var(--text-2);margin:14px auto 28px;max-width:52ch}
.band .hero-cta{justify-content:center}

/* footer */
footer{border-top:1px solid var(--border);padding:44px 0 34px;color:var(--text-3);font-size:.85rem}
.foot-grid{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap;margin-bottom:32px}
.foot-col h4{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--text-2);margin:0 0 13px;font-weight:500}
.foot-col a{display:block;margin-bottom:8px;color:var(--text-3)}
.foot-col a:hover{color:var(--accent)}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid var(--border);font-size:.8rem}
.disclaimer{max-width:64ch;line-height:1.6}

@media(max-width:820px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    gap:0;background:var(--ink);border-bottom:1px solid var(--border);padding:8px 24px 18px}
  .nav.open{display:flex}
  .nav a{padding:11px 0;border-bottom:1px solid var(--border)}
  .burger{display:block;order:3}
  .hdr .wrap{gap:12px}
  .hdr-act .btn-ghost{display:none}
  .step{border-right:0;border-bottom:1px solid var(--border)}
  .band{padding:36px 24px}
  section{padding:56px 0}
}