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

body{
  background:#0f172a;
  color:white;
}

.hero{
  min-height:100vh;
  padding:30px;
  background:linear-gradient(135deg,#0f172a,#1e293b);
}

nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.admin-btn{
  background:#22c55e;
  padding:10px 20px;
  border-radius:8px;
  text-decoration:none;
  color:white;
}

.hero-content{
  text-align:center;
  margin-top:80px;
}

.hero-content h1{
  font-size:50px;
}

.hero-content p{
  margin-top:15px;
  color:#cbd5e1;
}

.card{
  background:white;
  color:black;
  width:350px;
  margin:40px auto;
  padding:25px;
  border-radius:16px;
}

.card input,
.card select,
.card button{
  width:100%;
  padding:14px;
  margin-top:15px;
  border-radius:8px;
  border:1px solid #ddd;
}

.card button{
  background:#2563eb;
  color:white;
  border:none;
  cursor:pointer;
}

.features{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  padding:50px;
  background:#111827;
}

.feature{
  background:#1e293b;
  padding:25px;
  border-radius:14px;
}