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

body{
    line-height:1.6;
    color:#333;
}

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

header{
    background:#fff;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
    position:sticky;
    top:0;
    z-index:100;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 0;
}

.logo{
    height:70px;
}

nav a{
    text-decoration:none;
    color:#1c3553;
    margin-left:25px;
    font-weight:bold;
}

nav a:hover{
    color:#0077b6;
}

.hero{
    background:linear-gradient(rgba(0,40,80,.75),rgba(0,40,80,.75)),
    url('https://images.unsplash.com/photo-1554224155-6726b3ff858f');
    background-size:cover;
    background-position:center;
    color:white;
    text-align:center;
    padding:120px 20px;
}

.hero h1{
    font-size:48px;
    margin-bottom:20px;
}

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

.btn{
    background:#0077b6;
    color:white;
    padding:12px 30px;
    text-decoration:none;
    border-radius:5px;
}

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

.about h2{
    color:#1c3553;
    margin-bottom:20px;
}

.features{
    background:#f5f7fa;
    padding:60px 0;
}

.features .container{
    display:flex;
    gap:25px;
    flex-wrap:wrap;
}

.feature-box{
    flex:1;
    min-width:250px;
    background:white;
    padding:25px;
    border-radius:10px;
    text-align:center;
    box-shadow:0 3px 15px rgba(0,0,0,0.1);
}

.page-banner{
    background:#1c3553;
    color:white;
    text-align:center;
    padding:70px 20px;
}

.services{
    padding:60px 0;
}

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

.service-card{
    background:white;
    padding:25px;
    border-radius:10px;
    box-shadow:0 3px 15px rgba(0,0,0,0.1);
}

.service-card h3{
    color:#1c3553;
    margin-bottom:15px;
}

.contact-section{
    padding:60px 0;
}

.contact-info{
    margin-bottom:30px;
}

.contact-form{
    display:flex;
    flex-direction:column;
}

.contact-form input,
.contact-form textarea{
    padding:12px;
    margin-bottom:15px;
    border:1px solid #ccc;
    border-radius:5px;
}

.contact-form button{
    background:#0077b6;
    color:white;
    border:none;
    padding:12px;
    cursor:pointer;
    border-radius:5px;
}

footer{
    background:#1c3553;
    color:white;
    text-align:center;
    padding:20px;
    margin-top:50px;
}

@media(max-width:768px){

.nav{
    flex-direction:column;
}

nav{
    margin-top:15px;
}

.hero h1{
    font-size:32px;
}

.features .container{
    flex-direction:column;
}

}