:root{
  --dark:#0f172a;
  --gold:#d4af37;
  --light:#f8fafc;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Montserrat',Arial,sans-serif;
  background:var(--dark);
  color:var(--light);
}
header{
  padding:25px 50px;
  background:rgba(15,23,42,.85);
  backdrop-filter:blur(10px);
  position:fixed;
  width:100%;
  top:0;
  z-index:100;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
nav a{
  color:var(--light);
  margin-left:20px;
  text-decoration:none;
  font-weight:600;
}
nav a:hover{color:var(--gold)}
.hero{
  min-height:100vh;
  background:url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4') center/cover fixed;
  display:flex;
  align-items:center;
}
.hero-box{
  margin-left:60px;
  max-width:520px;
  background:rgba(15,23,42,.85);
  padding:40px;
  border-left:6px solid var(--gold);
}
.section{
  padding:120px 60px;
}
.section1{
  padding:120px 60px;
}
.section.light{
  background:var(--light);
  color:var(--dark);
}
.section1.light1{
  background:var(--light);
  color:#feffff;
}
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:30px;
}
.card{
  background:linear-gradient(145deg,#020617,#17448d);
  padding:30px;
  position:relative;
}
.card::after{
  content:'';
  position:absolute;
  bottom:0;left:0;
  width:0;height:4px;
  background:var(--gold);
  transition:.4s;
}
.card:hover::after{width:100%}
footer{
  background:#020617;
  text-align:center;
  padding:25px;
  color:#feffff;
}
button{
  background:transparent;
  border:2px solid var(--gold);
  color:var(--gold);
  padding:12px 22px;
  cursor:pointer;
}
button:hover{
  background:var(--gold);
  color:var(--dark);
}
input,textarea{
  width:100%;
  padding:12px;
  margin-bottom:12px;
  border:none;
  background:#020617;
  color:#fff;
}