*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Segoe UI, sans-serif;
}

body{
background:#0f1117;
color:white;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 8%;
background:#111827;
border-bottom:1px solid #222;
}

.brand{
display:flex;
align-items:center;
gap:12px;
font-size:1.3rem;
font-weight:700;
}

.brand img{
width:42px;
height:42px;
}

.download-nav{
color:white;
text-decoration:none;
padding:10px 18px;
background:#7c3aed;
border-radius:10px;
}

.hero{
display:flex;
align-items:center;
justify-content:space-between;
padding:80px 8%;
gap:50px;
flex-wrap:wrap;
}

.hero-text{
flex:1;
min-width:300px;
}

.hero-text h1{
font-size:3rem;
margin-bottom:20px;
}

.hero-text p{
color:#cbd5e1;
line-height:1.8;
margin-bottom:30px;
}

.hero-image{
flex:1;
text-align:center;
}

.hero-image img{
width:100%;
max-width:900px;
border-radius:20px;
box-shadow:0 0 40px rgba(124,58,237,.4);
}

.buttons{
display:flex;
gap:15px;
}

.btn{
padding:14px 24px;
border-radius:10px;
text-decoration:none;
font-weight:600;
}

.primary{
background:#7c3aed;
color:white;
}

.secondary{
border:1px solid #555;
color:white;
}

.features{
padding:80px 8%;
}

.features h2{
text-align:center;
margin-bottom:40px;
font-size:2rem;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
}

.card{
background:#171c28;
padding:25px;
border-radius:16px;
border:1px solid #222;
}

.download{
text-align:center;
padding:80px 8%;
}

.download-btn{
display:inline-block;
margin-top:20px;
padding:18px 35px;
background:#7c3aed;
color:white;
text-decoration:none;
border-radius:12px;
font-size:1.1rem;
font-weight:700;
}

footer{
text-align:center;
padding:30px;
border-top:1px solid #222;
color:#94a3b8;
}