:root{
  --black:#0B0F14;
  --navy:#0F1C2E;
  --gray:#6B7280;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial;
  color:var(--black);
  line-height:1.6;
  background:white;
}

header{
  display:flex;
  justify-content:space-between;
  padding:22px 60px;
  border-bottom:1px solid #eee;
  position:sticky;
  top:0;
  background:white;
}

.logo{
  font-weight:800;
  letter-spacing:3px;
}

nav a{
  margin-left:18px;
  text-decoration:none;
  color:var(--black);
  font-size:13px;
}

nav .cta{
  background:var(--navy);
  color:white;
  padding:8px 14px;
}

.hero{
  position:relative;
  padding:170px 60px;
  background:url('https://images.unsplash.com/photo-1501700493788-fa1a4fc9fe62') center/cover;
  color:white;
}

.overlay{
  position:absolute;
  inset:0;
  background:rgba(10,15,20,0.75);
}

.hero .container{
  position:relative;
  z-index:2;
}

.hero h1{
  font-size:58px;
  max-width:900px;
}

.hero p{
  max-width:700px;
  color:#ddd;
}

.btn{
  display:inline-block;
  margin-top:25px;
  padding:14px 22px;
  background:white;
  color:black;
  text-decoration:none;
}

.section{
  padding:110px 60px;
}

.dark{
  background:var(--navy);
  color:white;
}

.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:30px;
}

.card{
  border:1px solid #eee;
  padding:24px;
  background:white;
}

.muted{
  color:var(--gray);
}

footer{
  padding:50px;
  text-align:center;
  border-top:1px solid #eee;
}