body{
font-family: Arial, sans-serif;
margin:0;
color:#333;
}

.container{
width:90%;
max-width:1100px;
margin:auto;
}

header{
background:#0f2a44;
color:white;
padding:15px 0;
}

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

nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:bold;
}

.hero{
background:linear-gradient(rgba(15,42,68,.85),rgba(15,42,68,.85)),
url('https://images.unsplash.com/photo-1581578731548-c64695cc6952');
background-size:cover;
color:white;
text-align:center;
padding:120px 20px;
}

.hero h2{
font-size:36px;
margin-bottom:15px;
}

.btn{
display:inline-block;
margin-top:20px;
padding:14px 28px;
background:#ff7a00;
color:white;
text-decoration:none;
border-radius:6px;
font-weight:bold;
}

.section{
padding:70px 0;
text-align:center;
}

.light{
background:#f5f5f5;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
margin-top:40px;
}

.card{
padding:25px;
border-radius:10px;
box-shadow:0 3px 10px rgba(0,0,0,.1);
background:white;
}

.project{
padding:40px;
background:#eaeaea;
border-radius:10px;
}

.contact form{
display:grid;
gap:15px;
max-width:500px;
margin:auto;
}

input, textarea{
padding:12px;
border:1px solid #ccc;
border-radius:5px;
}

button{
background:#0f2a44;
color:white;
border:none;
padding:14px;
border-radius:6px;
font-weight:bold;
cursor:pointer;
}

footer{
background:#0f2a44;
color:white;
text-align:center;
padding:20px 0;
margin-top:40px;
}

.whatsapp{
margin-top:25px;
}