:root{
  --bg:#0b0d10;
  --panel:#11151a;
  --panel2:#151a20;
  --line:#262d35;
  --text:#f4f7fa;
  --muted:#9ba6b2;
  --accent:#39d98a;
  --accent-dark:#132b21;
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit}
.wrap{width:min(1120px,calc(100% - 40px));margin:auto}
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(11,13,16,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{text-decoration:none;display:flex;align-items:baseline;gap:10px}
.brand-main{font-weight:900;letter-spacing:.08em}
.brand-sub{font-size:.78rem;color:var(--accent);font-weight:800;letter-spacing:.16em}
nav{display:flex;gap:24px}
nav a{text-decoration:none;color:var(--muted);font-size:.94rem}
nav a:hover{color:var(--text)}
.hero{padding:96px 0 80px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}
.eyebrow{color:var(--accent);font-size:.78rem;font-weight:900;letter-spacing:.18em;margin-bottom:12px}
h1{font-size:clamp(3.4rem,8vw,6.8rem);line-height:.86;margin:0 0 24px;letter-spacing:-.055em}
h2{font-size:clamp(2rem,4vw,3rem);line-height:1.05;margin:0 0 14px;letter-spacing:-.035em}
h3{margin:0 0 8px}
.lead{font-size:1.2rem;color:var(--muted);max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.meta{color:var(--muted);font-size:.88rem;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 20px;border-radius:12px;
  text-decoration:none;font-weight:800;border:1px solid var(--line);
  transition:.18s ease
}
.btn:hover{transform:translateY(-1px);border-color:#46515d}
.primary{background:var(--accent);color:#06140d;border-color:var(--accent)}
.primary:hover{filter:brightness(1.05);border-color:var(--accent)}
.secondary{background:var(--panel2)}
.full{width:100%;margin-top:16px}
.device-card{
  width:min(380px,100%);margin:auto;padding:28px;
  background:linear-gradient(145deg,#171c22,#0f1216);
  border:1px solid #303843;border-radius:30px;
  box-shadow:0 30px 80px rgba(0,0,0,.35)
}
.device-title,.device-foot{text-align:center;font-weight:900;letter-spacing:.16em}
.device-title{font-size:1.15rem}
.device-foot{font-size:.7rem;color:var(--muted);margin-top:20px}
.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.keys span{
  aspect-ratio:1;background:#20262d;border:1px solid #343d47;
  border-radius:13px;box-shadow:inset 0 -5px 0 rgba(0,0,0,.25)
}
.keys span:nth-child(5){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 0 24px rgba(57,217,138,.13)}
.section{padding:82px 0}
.alt{background:#0e1115}
.section-head{max-width:760px;margin-bottom:34px}
.section-head p,.card p,.download-card p,.step p,.support p{color:var(--muted)}
.download-card{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);padding:28px
}
.featured{border-color:#315243}
.pill{
  display:inline-block;background:var(--accent-dark);color:var(--accent);
  border:1px solid #255b43;border-radius:999px;padding:5px 10px;
  font-size:.75rem;font-weight:800;margin-bottom:12px
}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.chip-icon{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-dark);color:var(--accent);font-weight:900;
  border:1px solid #255b43;margin-bottom:20px
}
.steps{display:grid;gap:14px}
.step{
  display:flex;gap:18px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--line);border-radius:15px;padding:20px
}
.step>span{
  flex:0 0 36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-dark);color:var(--accent);font-weight:900
}
.step p{margin:0}
.support{display:flex;align-items:center;justify-content:space-between;gap:30px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.86rem}
.footer-row{display:flex;justify-content:space-between;gap:20px}
@media(max-width:760px){
  nav{display:none}
  .hero{padding-top:70px}
  .hero-grid{grid-template-columns:1fr;gap:45px}
  .device-card{max-width:320px}
  .cards{grid-template-columns:1fr}
  .download-card,.support{align-items:stretch;flex-direction:column}
}