body{
margin:0;
font-family:Arial,sans-serif;
background:#0a0a0a;
color:white;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
}

header{
background:#000;
padding:15px 0;
position:sticky;
top:0;
z-index:999;
border-bottom:1px solid #1e3a8a;
}

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

.logo img{
height:70px;
}

nav a{
color:white;
text-decoration:none;
margin-left:25px;
font-weight:bold;
}

.hero{
height:90vh;
background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)),
url('https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=1600') center/cover;
display:flex;
align-items:center;
text-align:center;
}

.hero h1{
font-size:55px;
margin-bottom:10px;
}

.hero p{
font-size:22px;
color:#ccc;
}

.btn{
display:inline-block;
margin-top:20px;
padding:14px 28px;
background:#2563eb;
color:white;
text-decoration:none;
border-radius:8px;
font-weight:bold;
}

.section{
padding:80px 0;
}

.products{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
margin-top:40px;
}

.card{
background:#111;
border:1px solid #1d4ed8;
border-radius:14px;
overflow:hidden;
transition:.3s;
}

.card:hover{
transform:translateY(-5px);
}

.card img{
width:100%;
height:260px;
object-fit:cover;
}

.card h3,.card p,.card strong{
padding:0 20px;
}

.card button{
margin:20px;
padding:12px;
width:calc(100% - 40px);
border:none;
background:#2563eb;
color:white;
font-weight:bold;
border-radius:8px;
cursor:pointer;
}

.dark{
background:#111827;
}

.repair-form{
display:flex;
flex-direction:column;
gap:15px;
margin-top:30px;
}

.repair-form input,
.repair-form textarea{
padding:15px;
border:none;
border-radius:8px;
background:#1f2937;
color:white;
}

.repair-form textarea{
min-height:160px;
resize:vertical;
}

.repair-form button{
padding:15px;
background:#2563eb;
color:white;
border:none;
border-radius:8px;
font-size:16px;
font-weight:bold;
}

footer{
background:#000;
padding:25px 0;
text-align:center;
border-top:1px solid #1d4ed8;
}

@media(max-width:768px){

.hero h1{
font-size:34px;
}

nav{
display:none;
}

.logo img{
height:55px;
}

}