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

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

header {
  background: #020617;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  color: #38bdf8;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: white;
  transition: 0.3s;
}

nav a:hover {
  color: #38bdf8;
}

.hero {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  background: linear-gradient(to right, #0f172a, #1e293b);
}

.hero h2 {
  font-size: 48px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 20px;
  color: #94a3b8;
}

.btn {
  margin-top: 20px;
  padding: 12px 25px;
  background: #38bdf8;
  color: black;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: #0ea5e9;
}

.section {
  padding: 60px 50px;
  text-align: center;
}

.cards {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 10px;
  width: 250px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  background: #334155;
}

footer {
  background: #020617;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  color: #94a3b8;
}