body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f1724;
  color: #f1f5f9;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  background: #1e293b;
}

header .logo {
  font-size: 22px;
  font-weight: bold;
  color: #38bdf8;
  text-decoration: none;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 500;
}

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

.programming-hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(120deg, #1e293b, #0f1724);
}

.programming-hero h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.programming-hero p {
  color: #94a3b8;
}

.programming-list {
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 40px 20px;
}

.course {
  background: #1e293b;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  width: 250px;
  transition: transform 0.3s ease;
}

.course:hover {
  transform: translateY(-5px);
}

.course i {
  font-size: 40px;
  color: #38bdf8;
  margin-bottom: 10px;
}

.course h2 {
  margin-bottom: 8px;
  font-size: 20px;
}

.course p {
  color: #94a3b8;
  font-size: 14px;
}

.footer {
  text-align: center;
  padding: 20px;
  background: #1e293b;
  margin-top: 40px;
}