:root{
  --bg:#0C0C10; --surface:#15151B; --surface2:#1b1b22; --border:#26262e;
  --txt:#EDEDF2; --txt2:#9A9AA6; --teal:#2DD4BF; --indigo:#6366F1;
  --grad:linear-gradient(90deg,#2DD4BF,#6366F1);
  --maxw:1060px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Nav */
nav{position:sticky;top:0;z-index:50;background:rgba(12,12,16,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.brand svg{width:30px;height:30px;border-radius:8px}
.navright{display:flex;align-items:center;gap:18px}
.lang{font-size:14px;font-weight:600;display:flex;align-items:center;gap:7px}
.lang a{color:var(--txt2);cursor:pointer}
.lang a.active{color:var(--txt)}
.lang a:not(.active):hover{color:var(--teal)}
.lang span{opacity:.35}
.btn{display:inline-block;border-radius:8px;padding:11px 18px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:transform .12s,opacity .12s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:#fff}
.btn-ghost{background:transparent;color:var(--txt);border:1px solid var(--border)}
.btn-lg{padding:14px 26px;font-size:16px}

/* Hero */
header{text-align:center;padding:60px 0 46px}
.kicker{display:inline-block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--txt2);margin-bottom:20px}
.kicker b{color:var(--teal);font-weight:600}
h1{font-size:clamp(38px,6vw,68px);line-height:1.05;font-weight:800;letter-spacing:-.02em;margin-bottom:22px}
.sub{font-size:clamp(17px,2.2vw,21px);color:var(--txt2);max-width:680px;margin:0 auto 32px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.trust{font-size:14px;color:var(--txt2)}

/* Sections */
section{padding:70px 0;border-top:1px solid var(--border)}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:12px}
h2{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px;line-height:1.15}
.lead{font-size:18px;color:var(--txt2);max-width:680px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:26px}
.step .n{width:34px;height:34px;border-radius:9px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--txt2);font-size:15px}
.shot{margin:42px 0 0;text-align:center}
.shot img{width:100%;max-width:940px;border-radius:14px;border:1px solid var(--border);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.shot figcaption{color:var(--txt2);font-size:14px;margin-top:14px}

.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:38px}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px 24px}
.feature h3{font-size:17px;margin-bottom:6px}
.feature p{color:var(--txt2);font-size:15px}

.demo-box{margin-top:38px;aspect-ratio:16/9;background:var(--surface);border:1px dashed var(--border);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--txt2)}
.play{width:64px;height:64px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center}
.play svg{width:24px;height:24px;fill:#fff;margin-left:3px}

/* Pricing */
.price-card{max-width:420px;margin:38px auto 0;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:34px;text-align:center}
.price-card .name{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--txt2);margin-bottom:10px}
.price{font-size:52px;font-weight:800;letter-spacing:-.02em}
.price s{font-size:26px;color:var(--txt2);font-weight:500;margin-right:10px}
.price-card .note{color:var(--txt2);font-size:14px;margin:10px 0 24px}
.price-card .btn{width:100%}
.price-card .mini{font-size:13px;color:var(--txt2);margin-top:14px}

/* FAQ */
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:0 22px;margin-top:12px}
summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:600;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--teal);font-size:22px;font-weight:400}
details[open] summary::after{content:"–"}
details p{color:var(--txt2);padding:0 0 18px}

footer{border-top:1px solid var(--border);padding:40px 0;color:var(--txt2);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer a:hover{color:var(--txt)}
.fnav{display:flex;gap:20px;flex-wrap:wrap}

@media(max-width:760px){
  .steps,.feat{grid-template-columns:1fr}
  section{padding:54px 0}
  header{padding:48px 0 40px}
}