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

body{
background:#000;
color:#fff;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 8%;
background:#111;
position:sticky;
top:0;
z-index:1000;
}

.logo{
font-size:28px;
font-weight:bold;
color:#ff8c00;
}

nav a{
color:white;
text-decoration:none;
margin:0 15px;
}

.call-btn{
background:#ff8c00;
padding:10px 20px;
color:white;
text-decoration:none;
border-radius:5px;
}

.hero{
height:90vh;
background:url("images/hero.jpg");
background-size:cover;
background-position:center;
display:flex;
align-items:center;
}

.overlay{
padding:8%;
max-width:700px;
}

.hero h1{
font-size:60px;
margin:15px 0;
}

.hero span{
color:#ff8c00;
}

.hero-buttons{
margin-top:30px;
}

.btn-primary,
.btn-secondary{
padding:15px 30px;
text-decoration:none;
margin-right:15px;
display:inline-block;
}

.btn-primary{
background:#ff8c00;
color:white;
}

.btn-secondary{
border:1px solid #ff8c00;
color:white;
}

.services,
#projects,
#about,
#contact{
padding:80px 8%;
}

h2{
margin-bottom:30px;
color:#ff8c00;
}

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

.card{
background:#111;
padding:30px;
border-radius:10px;
}

.why-us{
display:grid;
grid-template-columns:1fr 1fr;
padding:80px 8%;
gap:40px;
}

.why-image{
background:url("images/project1.jpg");
background-size:cover;
height:350px;
}

.project-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
}

.project-grid img{
width:100%;
height:220px;
object-fit:cover;
}

form{
display:flex;
flex-direction:column;
gap:15px;
}

input,
textarea{
padding:15px;
background:#111;
border:none;
color:white;
}

button{
padding:15px;
background:#ff8c00;
color:white;
border:none;
cursor:pointer;
}

footer{
background:#111;
padding:20px;
text-align:center;
}

.whatsapp{
position:fixed;
bottom:25px;
right:25px;
width:60px;
height:60px;
background:#25d366;
display:flex;
justify-content:center;
align-items:center;
font-size:30px;
color:white;
border-radius:50%;
text-decoration:none;
}

@media(max-width:768px){

.hero h1{
font-size:36px;
}

.why-us{
grid-template-columns:1fr;
}

.project-grid{
grid-template-columns:1fr 1fr;
}

header{
flex-direction:column;
gap:15px;
}

}