*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:Arial,Helvetica,sans-serif;
background:#0b0b0b;
color:#e6e6e6;
line-height:1.6;
}

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

header{
border-bottom:1px solid #222;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
}

.logo{
font-weight:700;
letter-spacing:1px;
}

nav a{
margin-left:20px;
text-decoration:none;
color:#ccc;
font-size:0.95rem;
}

nav a:hover{
color:white;
}

.burger{
display:none;
font-size:1.5rem;
cursor:pointer;
}

.hero{
padding:80px 20px;
}

.hero h1{
font-size:2.5rem;
margin-bottom:10px;
}

.hero p{
color:#aaa;
max-width:600px;
}

h2{
margin-bottom:20px;
margin-top:40px;
}

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

.card{
background:#121212;
padding:20px;
border:1px solid #222;
border-radius:6px;
transition:all 0.2s ease;
}

.card:hover{
border-color:#444;
}

.card h3 {
    margin-bottom: 6px;
}

.card p {
    margin-bottom: 10px;
}

button{
margin-top:10px;
padding:8px 14px;
border:none;
background:#333;
color:#bbb;
border-radius:4px;
}

footer{
margin-top:80px;
padding:40px 20px;
border-top:1px solid #222;
color:#777;
font-size:0.9rem;
}

@media(max-width:768px){

nav{
display:none;
flex-direction:column;
background:#0b0b0b;
position:absolute;
top:60px;
right:20px;
border:1px solid #222;
padding:15px;
}

nav.active{
display:flex;
}

nav a{
margin:10px 0;
}

.burger{
display:block;
}

}