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

body{
background:#f4f7fb;
color:#111;
}

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

header{
background:#001d70;
padding:15px 0;
position:sticky;
top:0;
z-index:1000;
}

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

.logo{
width:170px;
background:white;
padding:6px;
border-radius:10px;
}

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

.hero{
height:90vh;
background:url('logo.jpg') center/cover;
display:flex;
align-items:center;
justify-content:center;
}

.overlay{
background:rgba(0,0,0,.75);
width:100%;
height:100%;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
color:white;
}

.hero h1{
font-size:64px;
margin-bottom:20px;
}

.hero p{
font-size:22px;
margin-bottom:30px;
}

.btn{
background:#0066ff;
color:white;
padding:15px 35px;
text-decoration:none;
border-radius:10px;
display:inline-block;
font-weight:bold;
}

.services,
.products,
.contact,
.reviews{
padding:80px 0;
}

h2{
text-align:center;
margin-bottom:50px;
font-size:40px;
color:#001d70;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:30px;
}

.card,
.product,
.review-box{
background:white;
padding:25px;
border-radius:15px;
box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.card h3,
.product h3{
margin-bottom:15px;
color:#001d70;
}

.product img{
width:100%;
height:220px;
object-fit:cover;
border-radius:10px;
margin-bottom:15px;
}

.product span{
display:block;
margin:15px 0;
font-size:20px;
font-weight:bold;
}

.product button{
width:100%;
padding:12px;
background:#001d70;
color:white;
border:none;
border-radius:8px;
font-weight:bold;
cursor:pointer;
}

.review-box{
margin-bottom:20px;
text-align:center;
}

.contact{
text-align:center;
background:white;
}

.contact p{
margin-bottom:10px;
font-size:18px;
}

.map iframe{
margin-top:30px;
width:100%;
height:400px;
border:none;
border-radius:15px;
}

footer{
background:black;
color:white;
text-align:center;
padding:25px;
}

@media(max-width:768px){

.nav{
flex-direction:column;
}

nav{
margin-top:15px;
}

.hero h1{
font-size:42px;
}

.hero p{
font-size:18px;
}

}