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

body{
background:#f5f7fa;
color:#333;
}

header{
position:fixed;
width:100%;
background:#0a2540;
padding:15px 8%;
z-index:1000;
}

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

.logo{
color:#fff;
}

.nav-links{
display:flex;
list-style:none;
}

.nav-links li{
margin-left:25px;
}

.nav-links a{
color:#fff;
text-decoration:none;
font-weight:bold;
}

.menu-btn{
display:none;
color:white;
font-size:25px;
cursor:pointer;
}

.hero{
height:100vh;
display:flex;
justify-content:center;
align-items:center;
text-align:center;
background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),
url("https://images.unsplash.com/photo-1498050108023-c5249f4df085?w=1600");
background-size:cover;
background-position:center;
color:white;
}

.hero h1{
font-size:55px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
margin-bottom:30px;
}

.btn{
background:#ff9800;
padding:14px 35px;
text-decoration:none;
color:white;
border-radius:30px;
font-weight:bold;
}

section{
padding:80px 10%;
text-align:center;
}

.about p{
max-width:800px;
margin:auto;
line-height:1.8;
}

.service-container{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
margin-top:40px;
}

.card{
background:white;
padding:35px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,.1);
transition:.4s;
}

.card:hover{
transform:translateY(-10px);
}

.card i{
font-size:50px;
color:#ff9800;
margin-bottom:20px;
}

.why{
background:#0a2540;
color:white;
}

.features{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
margin-top:40px;
}

.contact form{
max-width:600px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}

input,
textarea{
padding:15px;
border:1px solid #ccc;
border-radius:5px;
font-size:16px;
}

textarea{
height:150px;
}

button{
padding:15px;
background:#ff9800;
color:white;
border:none;
cursor:pointer;
font-size:18px;
border-radius:5px;
}

footer{
background:#0a2540;
color:white;
padding:20px;
text-align:center;
}

@media (max-width:768px){

    .menu-btn{
        display:block;
        z-index:1001;
    }

    .nav-links{
        position:absolute;
        top:70px;
        right:-100%;
        width:250px;
        background:#0a2540;
        display:flex;
        flex-direction:column;
        transition:0.35s ease;
        padding:20px 0;
        box-shadow:0 10px 20px rgba(0,0,0,.2);
    }

    .nav-links.active{
        right:0;
    }

    .nav-links li{
        margin:15px 25px;
    }

    .nav-links a{
        display:block;
        padding:10px 0;
    }

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