:root{
  --bg0:#0b0f17;
  --bg1:#0e1423;
  --card:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.10);
  --text:#e9edff;
  --muted:rgba(233,237,255,.72);
  --muted2:rgba(233,237,255,.55);
  --purple:#7c5cff;
  --blue:#63b3ff;
  --shadow:0 28px 70px rgba(0,0,0,.55);
  --shadow2:0 14px 40px rgba(0,0,0,.45);
  --r1:22px;
  --r2:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 18% 8%, rgba(124,92,255,.22), transparent 62%),
    radial-gradient(860px 520px at 86% 18%, rgba(99,179,255,.18), transparent 62%),
    linear-gradient(180deg,var(--bg0),var(--bg1));
}
a{color:inherit}
img{max-width:100%;display:block}
.container{max-width:1120px;margin:0 auto;padding:26px 18px 64px}

.header{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .logo-img{width:40px;height:40px;border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.45)}
.brand b{font-size:16px;letter-spacing:.2px}
.brand span{display:block;font-size:12px;color:var(--muted2);margin-top:1px}

.nav{display:flex;gap:16px;align-items:center;color:var(--muted);font-size:14px}
.nav a{text-decoration:none;opacity:.92}
.nav a:hover{opacity:1}

.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--muted);font-size:13px;
}

.hero{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:34px;align-items:center;
  padding:44px 0 18px;
}

.h1{margin:10px 0 12px;font-size:46px;line-height:1.12;letter-spacing:-.4px}
.lead{margin:0 0 18px;color:var(--muted);font-size:16px;line-height:1.9;max-width:56ch}

.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 16px;border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  text-decoration:none;color:var(--text);
  box-shadow:var(--shadow2);
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
.btn.primary{
  border-color:rgba(124,92,255,.40);
  background:linear-gradient(135deg, rgba(124,92,255,.95), rgba(99,179,255,.85));
}
.btn .sub{display:block;font-size:11px;color:rgba(255,255,255,.78);margin-top:1px}
.btn .main{display:block;font-weight:800;letter-spacing:.2px}

.badge-row{display:flex;gap:10px;align-items:center;margin-top:14px;color:var(--muted2);font-size:12px;flex-wrap:wrap}
.badge-row .dot{width:6px;height:6px;border-radius:99px;background:rgba(255,255,255,.18)}
.badge-row b{color:var(--text)}

.card{
  border:1px solid var(--stroke);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035));
  border-radius:var(--r1);
  box-shadow:var(--shadow);
}
.pad{padding:16px}
.section{margin-top:18px}
.section h2{margin:0 0 10px;font-size:20px;letter-spacing:-.2px}
.section p{margin:0;color:var(--muted);line-height:1.9}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.feature{
  padding:16px;border-radius:var(--r2);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
}
.feature b{display:block;margin-bottom:6px}
.feature span{color:var(--muted);line-height:1.8;font-size:14px}

.services{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.services .pill{
  padding:9px 12px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--muted);font-size:13px;
}

.faq{margin-top:12px;display:grid;gap:10px}
details{
  border:1px solid var(--stroke);
  border-radius:var(--r2);
  background:rgba(255,255,255,.04);
  overflow:hidden;
}
summary{cursor:pointer;list-style:none;padding:14px 16px;font-weight:700}
summary::-webkit-details-marker{display:none}
details .ans{padding:0 16px 14px;color:var(--muted);line-height:1.9}

/* Phone mockup stack (3D) */
.phone-stage{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center}
.phone-stack{position:relative;width:430px;height:520px;perspective:1200px}
.phone{
  position:absolute;
  width:285px;height:585px;
  border-radius:44px;
  background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 35px 95px rgba(0,0,0,.65);
  transform-style:preserve-3d;
  overflow:hidden;
}
.phone::before{
  content:"";
  position:absolute;inset:10px;
  border-radius:36px;
  background:rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.10);
}
.phone::after{
  content:"";
  position:absolute;
  inset:-40px -60px auto auto;
  width:240px;height:240px;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.22), transparent 60%);
  transform:rotate(18deg);
  pointer-events:none;
}
.phone .screen{
  position:absolute;inset:14px;
  border-radius:34px;overflow:hidden;
  transform:translateZ(18px);
}
.phone img{width:100%;height:100%;object-fit:cover}

.phone.back{transform:translateX(92px) translateY(8px) rotateY(-18deg) rotateZ(7deg) scale(.92);opacity:.92}
.phone.front{transform:translateX(-28px) translateY(-16px) rotateY(14deg) rotateZ(-4deg);border-color:rgba(124,92,255,.24)}

.glow{
  position:absolute;left:0;right:0;bottom:-10px;height:140px;
  background:radial-gradient(closest-side at 50% 100%, rgba(124,92,255,.18), transparent 75%);
  pointer-events:none;
}

.footer{
  margin-top:50px;
  padding:18px 16px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  border:1px solid var(--stroke);
  border-radius:var(--r1);
  background:rgba(255,255,255,.035);
}
.footer small{color:var(--muted2);line-height:1.8}
.footer a{text-decoration:none;border-bottom:1px dashed rgba(255,255,255,.28)}
.footer a:hover{border-bottom-color:rgba(255,255,255,.55)}

@media (max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:26px}
  .phone-stage{min-height:460px}
  .phone-stack{width:380px;height:500px}
  .h1{font-size:38px}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:420px){
  .phone-stack{width:330px;height:480px}
  .phone{width:260px;height:540px}
  .phone.back{transform:translateX(76px) translateY(10px) rotateY(-18deg) rotateZ(7deg) scale(.92)}
  .h1{font-size:34px}
}