*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Poppins',Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#0d0018,#2b0040);
  color:#fff;
}
header{
  background:linear-gradient(135deg,#9b2fb2,#ff3cac);
  padding:26px 16px 18px 16px;
  text-align:center;
  position:relative;
  box-shadow:0 20px 35px rgba(0,0,0,.28);
  border-bottom:1px solid rgba(255,255,255,.22);
}
header img{
  height:90px;
  width:auto;
  display:block;
  margin:0 auto 8px auto;
}
header h1{
  margin:6px 0 2px 0;
  font-size:34px;
  letter-spacing:1px;
  font-weight:800;
}
header p{
  margin:0;
  font-size:15px;
  opacity:.9;
}
nav{
  margin-top:14px;
}
nav a{
  color:#fff;
  text-decoration:none;
  margin:0 14px;
  font-weight:600;
  padding:8px 18px;
  border-radius:999px;
  transition:.25s ease;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
nav a:hover,nav a.active{
  background:#fff;
  color:#7c1fa3;
}
main{
  padding:26px 16px;
  max-width:1000px;
  margin:0 auto;
}
.card{
  background:rgba(255,255,255,.1);
  border-radius:22px;
  padding:20px;
  box-shadow:0 16px 50px rgba(0,0,0,.35);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);
}
h2{
  margin-top:0;
  font-size:26px;
}
.btn{
  display:inline-block;
  background:#fff;
  color:#7c1fa3;
  padding:10px 20px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  margin-top:8px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  transition:.25s ease;
}
.btn:hover{
  transform:translateY(-2px) scale(1.02);
}
.footer{
  text-align:center;
  padding:18px 0 24px 0;
  font-size:13px;
  opacity:.85;
}