:root{
  --bg:#0b0d12;
  --panel:#111521;
  --panel2:#0f1420;
  --text:#e9eefc;
  --muted:#a9b3d1;
  --line:rgba(255,255,255,.10);
  --accent:#7c5cff;
  --accent2:#22d3ee;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 10%, rgba(124,92,255,.18), transparent 55%),
              radial-gradient(900px 500px at 80% 20%, rgba(34,211,238,.12), transparent 60%),
              var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
.container{max-width:1100px; margin:0 auto; padding:0 20px}

.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,13,18,.65);
  border-bottom:1px solid var(--line);
}
.header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px;
}
.brand{display:flex; flex-direction:column; gap:2px}
.logo{
  font-weight:800; letter-spacing:.5px;
  font-size:18px;
}
.tag{color:var(--muted); font-size:12px}
.nav{display:flex; gap:16px; color:var(--muted); font-size:13px}
.nav a:hover{color:var(--text)}

.hero{padding:56px 0 24px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:22px;
  align-items:stretch;
}
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr; }
  .nav{display:none}
}

h1{
  margin:0 0 14px;
  font-size:42px;
  line-height:1.08;
}
@media (max-width: 520px){
  h1{font-size:34px}
}

.accent{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lead{
  margin:0 0 18px;
  color:var(--muted);
  font-size:16px;
  line-height:1.65;
  max-width: 62ch;
}

.cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0 18px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  box-shadow: none;
  font-weight:650;
  font-size:14px;
  transition: transform .12s ease, background .12s ease, border .12s ease;
}
.btn:hover{transform: translateY(-1px); border-color: rgba(255,255,255,.18)}
.btn.primary{
  background: linear-gradient(90deg, rgba(124,92,255,.9), rgba(34,211,238,.55));
  border-color: rgba(255,255,255,.10);
  box-shadow: var(--shadow);
}
.btn.primary:hover{filter: brightness(1.04)}
.btn.ghost{color:var(--text)}
.trust{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.pill{
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  padding:8px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.03);
}

.section{padding:42px 0}
.section.alt{background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent)}
h2{
  margin:0 0 18px;
  font-size:26px;
}
h3{margin:0 0 10px; font-size:16px}
p{margin:0; color:var(--muted); line-height:1.6}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
}
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.grid2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
}
@media (max-width: 920px){
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
}

.preview{padding:0; overflow:hidden}
.preview-top{
  display:flex; gap:8px;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.20)}
.preview-body{padding:16px}
.mock{display:grid; grid-template-columns: 1fr 1fr; gap:14px}
.mock-box{height:160px;border-radius:14px;background: rgba(124,92,255,.14); border:1px solid rgba(255,255,255,.10)}
.mock-big{height:160px;border-radius:14px;background: rgba(34,211,238,.12); border:1px solid rgba(255,255,255,.10)}
.mock-line{
  height:10px; border-radius:999px;
  background: rgba(255,255,255,.10);
  margin-top:10px;
}
.w90{width:90%} .w80{width:80%} .w75{width:75%} .w70{width:70%} .w65{width:65%} .w60{width:60%}

.note{
  margin-top:14px;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.25);
  color: var(--muted);
  font-size:13px;
}

.center{display:flex; justify-content:center; margin-top:18px}

.faq{display:grid; gap:12px}
details summary{
  cursor:pointer;
  font-weight:650;
  color:var(--text);
  list-style:none;
}
details summary::-webkit-details-marker{display:none}
details p{margin-top:10px}

.footer{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
}
.footer-links a:hover{color:var(--text)}
.sep{opacity:.5; margin:0 6px}