/* Reset */

*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial, Helvetica, sans-serif;
}

/* Header */

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 40px;
background:#0b5ed7;
color:white;
}

.logo{
font-size:22px;
font-weight:bold;
}

nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:bold;
transition:0.3s;
}

nav a:hover{
color:#ffd700;
}

/* Hero Section */

.hero{
text-align:center;
padding:100px 20px;
background:#f4f4f4;
}

.hero h1{
font-size:40px;
margin-bottom:20px;
}

.hero p{
font-size:18px;
margin-bottom:30px;
}

/* Button */

.btn{
background:green;
color:white;
padding:12px 25px;
text-decoration:none;
border-radius:5px;
display:inline-block;
transition:0.3s;
}

.btn:hover{
background:#0a8f3d;
}

/* Services */

.service-container{
display:flex;
justify-content:center;
gap:20px;
padding:50px 20px;
flex-wrap:wrap;
}

.box{
border:1px solid #ddd;
padding:20px;
width:250px;
background:white;
text-align:center;
border-radius:8px;
box-shadow:0 3px 10px rgba(0,0,0,0.1);
transition:0.3s;
}

.box:hover{
transform:translateY(-5px);
}

/* CTA */

.cta{
text-align:center;
padding:60px 20px;
background:#eee;
}

.cta h2{
margin-bottom:20px;
}

/* Footer */

footer{
text-align:center;
padding:20px;
background:#222;
color:white;
}

/* Mobile Responsive */

@media(max-width:768px){

header{
flex-direction:column;
}

nav{
margin-top:10px;
}

.service-container{
flex-direction:column;
align-items:center;
}

.hero h1{
font-size:28px;
}

}
.hero{
background:url("https://images.unsplash.com/photo-1509395176047-4a66953fd231");
background-size:cover;
background-position:center;
padding:150px 20px;
text-align:center;
color:white;
}

.btn{
background:green;
padding:12px 25px;
color:white;
text-decoration:none;
border-radius:5px;
}
body{
font-family: Arial;
}

.hero{
background:url('../images/solar.jpg');
background-size:cover;
padding:120px 0;
}

.hero h1{
font-size:50px;
font-weight:bold;
}

.card{
box-shadow:0 0 10px rgba(0,0,0,0.2);
border:none;
}

.card:hover{
transform:scale(1.05);
transition:0.3s;
}