:root{
  --bg:#08060f; --bg2:#0f0b1c; --card:rgba(255,255,255,.045); --line:rgba(255,255,255,.1);
  --text:#efeaf8; --muted:#a39db8; --a:#7c3aed; --b:#a78bfa; --c:#f472b6;
  --grad:linear-gradient(120deg,#8b5cf6,#c084fc 55%,#f472b6);
  --r:22px; --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand{font-family:"Space Grotesk",Inter,sans-serif;letter-spacing:-.02em;line-height:1.08}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(var(--max),100% - 40px);margin-inline:auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* glow background */
.glow{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
   radial-gradient(900px 600px at 8% -5%,rgba(124,58,237,.35),transparent 60%),
   radial-gradient(800px 600px at 100% 30%,rgba(244,114,182,.16),transparent 60%),
   radial-gradient(700px 500px at 0% 90%,rgba(139,92,246,.18),transparent 60%),var(--bg)}

/* nav */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(8,6,15,.6);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem}
.logo{width:32px;height:32px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-size:1rem;color:#fff;font-weight:700}
nav ul{display:flex;gap:30px;list-style:none}
nav ul a{color:var(--muted);font-size:.95rem;transition:.2s}
nav ul a:hover{color:#fff}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid var(--line);transition:.25s;cursor:pointer}
.btn.primary{background:var(--grad);border:0;color:#fff;box-shadow:0 10px 40px -10px rgba(139,92,246,.8)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 48px -8px rgba(139,92,246,1)}
.btn.ghost{color:var(--muted)}.btn.ghost:hover{color:#fff;border-color:rgba(255,255,255,.3)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* hero */
.hero{padding:90px 0 60px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:.8rem;color:var(--muted);margin-bottom:26px}
.pill i{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 10px #4ade80}
.hero h1{font-size:clamp(2.6rem,6vw,4.8rem);font-weight:700}
.hero p.lead{margin:26px 0 36px;font-size:1.2rem;color:var(--muted);max-width:30em}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center;position:relative}
.hero-visual::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.55),transparent 65%);top:50%;left:50%;transform:translate(-50%,-50%);filter:blur(20px)}

/* phone */
.phone{position:relative;width:min(290px,70vw);aspect-ratio:9/19;border-radius:42px;padding:9px;background:#1b1230;border:1px solid rgba(255,255,255,.14);box-shadow:0 40px 90px -20px rgba(91,33,182,.7),inset 0 0 0 2px #0d0818}
.phone::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);width:84px;height:22px;background:#0d0818;border-radius:20px;z-index:2}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:34px;background:#fff}
.float{animation:float 6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px)}}

/* strip */
.strip{padding:28px 0;border-block:1px solid var(--line);background:rgba(255,255,255,.02)}
.strip .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 40px;color:var(--muted);font-family:"Space Grotesk";font-size:1.05rem}
.strip span::before{content:"✦ ";color:var(--b)}

/* sections */
section{padding:100px 0}
.eyebrow{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--b);font-weight:600;margin-bottom:14px}
.title{font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}
.sub{color:var(--muted);font-size:1.1rem;max-width:38em}
.center{text-align:center}.center .sub{margin-inline:auto}

.overview{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(167,139,250,.5);background:rgba(255,255,255,.07)}
.card .ic{width:46px;height:46px;border-radius:14px;background:var(--grad);display:grid;place-items:center;font-size:1.3rem;margin-bottom:18px}
.card h3{font-size:1.25rem;margin-bottom:8px}.card p{color:var(--muted);font-size:.95rem}

/* feature rows */
.feature{padding:70px 0}
.feature .wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.feature.rev .copy{order:2}
.feature .copy h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin:6px 0 20px}
.feature .copy p{color:var(--muted);font-size:1.12rem;max-width:30em}
.feature .vis{display:flex;justify-content:center;position:relative}
.feature .vis::before{content:"";position:absolute;inset:10% 10%;background:radial-gradient(circle,rgba(139,92,246,.4),transparent 65%);filter:blur(30px)}
.num{font-family:"Space Grotesk";font-size:.85rem;letter-spacing:.2em;color:var(--b);font-weight:600}

/* cta band */
.band{margin:40px 0 100px;border-radius:32px;padding:80px 30px;text-align:center;border:1px solid var(--line);
  background:radial-gradient(600px 300px at 50% 0%,rgba(139,92,246,.45),transparent 70%),var(--bg2)}
.band h2{font-size:clamp(2rem,4.4vw,3.4rem);margin-bottom:34px}
.btn.white{background:#fff;color:#4c1d95;font-size:1.05rem;padding:16px 34px;font-family:"Space Grotesk";font-weight:700}
.btn.white:hover{transform:translateY(-2px);box-shadow:0 14px 50px -10px rgba(255,255,255,.4)}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.chips span{padding:6px 16px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.9rem}

/* contact + footer */
.contact .box{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
footer{border-top:1px solid var(--line);padding:50px 0 40px;color:var(--muted);font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot ul{list-style:none;display:grid;gap:8px}
.foot a:hover{color:#fff}
.copy-line{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:.82rem}

/* legal */
.legal{padding:70px 0 90px}
.legal .doc{max-width:820px}
.legal h1{font-size:clamp(2rem,4.5vw,3.2rem);margin-bottom:34px}
.legal h2{font-size:1.4rem;margin:38px 0 12px}
.legal h3{font-size:1.05rem;margin:20px 0 6px;color:var(--b)}
.legal p,.legal li{color:#cfc9e0;margin-bottom:10px}
.legal ul{padding-left:22px;margin-bottom:12px}
.legal a{color:var(--b);text-decoration:underline}
.legal .sec{counter-increment:s}

/* reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .8s,transform .8s}
.rv.in{opacity:1;transform:none}

@media(max-width:900px){
  .hero .wrap,.feature .wrap{grid-template-columns:1fr;gap:40px;text-align:center}
  .feature.rev .copy{order:0}.feature .copy p,.hero p.lead{margin-inline:auto}
  .cta{justify-content:center}
  .overview{grid-template-columns:repeat(2,1fr)}
  section{padding:70px 0}.feature{padding:40px 0}.hero{padding-top:50px}
  .burger{display:block}
  nav ul{position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:rgba(8,6,15,.97);border-bottom:1px solid var(--line);display:none;padding:10px 20px}
  nav ul.open{display:flex}nav ul li a{display:block;padding:14px 0}
  .nav>.btn{display:none}
}
@media(max-width:520px){.overview{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.float{animation:none}.rv{opacity:1;transform:none}}

/* language switch */
.nav-r{display:flex;align-items:center;gap:14px}
.lang{position:relative;display:inline-block;width:76px;height:36px;border-radius:999px;background:var(--card);border:1px solid var(--line);flex:none;transition:border-color .2s}
.lang:hover{border-color:rgba(167,139,250,.6)}
.lang .fl{position:absolute;top:50%;width:22px;height:22px;transform:translateY(-50%);border-radius:50%;overflow:hidden;opacity:.55}
.lang .fl svg{width:100%;height:100%;display:block}
.lang .fl.cz{left:7px}.lang .fl.en{right:7px}
.lang .knob{position:absolute;top:3px;left:3px;width:28px;height:28px;border-radius:50%;background:#fff;box-shadow:0 2px 10px rgba(124,58,237,.6);display:grid;place-items:center;transition:transform .3s cubic-bezier(.4,0,.2,1)}
.lang .knob svg{width:22px;height:22px;border-radius:50%;display:block}
.lang .knob .k-en{display:none}
.lang.is-en .knob{transform:translateX(40px)}
.lang.is-en .knob .k-cz{display:none}.lang.is-en .knob .k-en{display:block}
.lang.go .knob{transform:translateX(40px)}.lang.is-en.go .knob{transform:none}
@media(max-width:900px){.nav-r .btn{display:none}}