body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f9f9;
  color: #003366;
}
header, footer {
  background-color: #0077b6;
  color: white;
  text-align: center;
  padding: 1rem;
}
header img {
  height: 80px;
  margin-bottom: 0.5rem;
}
nav {
  background: #023e8a;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 0.5rem;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.hero, .services, .technologies, .contact {
  padding: 2rem;
  max-width: 1200px;
  margin: auto;
}
.hero img, .services img, .technologies img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
}
h2 {
  color: #023e8a;
}
ul {
  list-style: none;
  padding: 0;
}
ul li {
  background: white;
  margin: 0.5rem 0;
  padding: 0.75rem;
  border-radius: 5px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.tech-links a {
  display: block;
  margin: 0.5rem 0;
  padding: 0.75rem;
  background: white;
  color: #003366;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
@media (max-width: 768px) {
  header, footer, nav {
    padding: 1rem 0.5rem;
    flex-direction: column;
  }
  h1 {
    font-size: 1.5rem;
  }
  h2 {
    font-size: 1.25rem;
  }
}