* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f5f7fa;
  color: #222;
  line-height: 1.6;
}

header {
  background: linear-gradient(to right, #003366, #0055aa);
  color: white;
  padding-bottom: 80px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 10%;
}

nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  text-align: center;
  margin-top: 80px;
  padding: 0 20px;
}

.hero h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  max-width: 700px;
  margin: auto;
  font-size: 1.2rem;
}

button {
  margin-top: 25px;
  padding: 12px 24px;
  border: none;
  background-color: white;
  color: #003366;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: translateY(-2px);
}

section {
  padding: 80px 10%;
}

section h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

#contact {
  text-align: center;
}

footer {
  text-align: center;
  padding: 25px;
  background-color: #003366;
  color: white;
}