body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2937;
  background: #ffffff;
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: #0f172a;
  color: white;
}

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

nav a:hover {
  text-decoration: underline;
}

.hero {
  padding: 100px 40px;
  background: #0f172a;
  color: white;
}

.container {
  padding: 60px 40px;
  max-width: 1000px;
  margin: auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  padding: 20px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #0f172a;
  color: white;
  margin-top: 40px;
}
.logo img {
  height: 50px;
  width: auto;
}