body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f6f9fc;
  color: #333;
}
header {
  background-color: #171d3f;
  color: white;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header img {
  height: 50px;
  margin-right: 1rem;
}
.logo-container {
  display: flex;
  align-items: center;
}
header h1 {
  margin: 0;
  font-size: 1.5rem;
}
nav a {
  margin: 0 1rem;
  color: white;
  text-decoration: none;
  font-weight: 500;
}
.hero {
  background: linear-gradient(135deg, #004aad, #0080ff);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
}
.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.btn {
  background: #00c897;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  text-transform: uppercase;
  cursor: pointer;
  font-weight: bold;
}
section {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: auto;
}
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.card h3 {
  margin-top: 0;
  color: #004aad;
}
footer {
  background: #222;
  color: #ccc;
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
}