*{box-sizing:border-box;margin:0;padding:0}
body{
font-family:Arial;
background:#0b0b0b;
color:#fff;
line-height:1.6;
}

.container{
max-width:1100px;
margin:auto;
padding:20px;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
flex-wrap:wrap;
}

.logo{
font-size:24px;
font-weight:bold;
}

nav{
display:flex;
gap:15px;
flex-wrap:wrap;
}

nav a{
color:#fff;
text-decoration:none;
font-size:14px;
}

.hero{
text-align:center;
padding:60px 20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.card{
background:#111;
padding:20px;
border-radius:10px;
text-align:center;
}

footer{
text-align:center;
padding:20px;
background:#111;
margin-top:40px;
font-size:14px;
}

/* mobile تحسين */
@media(max-width:600px){
.hero h1{
font-size:22px;
}
nav{
justify-content:center;
}
}