:root{
--navy:#030B2A;
--navy2:#0B163D;
--blue:#4FA9D9;
--silver:#B8BBC3;
--white:#ffffff;
}

body{
margin:0;
font-family:Arial;
background:var(--navy);
color:white;
}

header{
display:flex;
align-items:center;
justify-content:space-between;
padding:15px 20px;
background:var(--navy);
border-bottom:2px solid var(--blue);
}

.logo{
height:60px;
}

a{
color:var(--white);
text-decoration:none;
}

.btn{
background:var(--blue);
padding:10px 15px;
border-radius:8px;
display:inline-block;
}

.hero{
padding:80px 20px;
text-align:center;
background:linear-gradient(rgba(3,11,42,.85),rgba(3,11,42,.85));
}

.section{
padding:50px 20px;
max-width:1000px;
margin:auto;
}

.card{
background:var(--navy2);
padding:20px;
border-radius:12px;
margin:10px 0;
border:1px solid var(--blue);
}