body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #222;
}
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}
.site-header {
  background: #0F1E3D;
  color: #fff;
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  height: 50px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: #fff;
  text-decoration: none;
}
.hero {
  background: #2F5C8A;
  color: #fff;
  text-align: center;
  padding: 80px 20px;
}
.btn-primary {
  display: inline-block;
  margin-top: 20px;
  background: #fff;
  color: #2F5C8A;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
}
.services .service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.service-card {
  background: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
.portfolio .gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.portfolio img {
  width: 100%;
  border-radius: 8px;
}
.contact form {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}
.contact input, .contact textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}
.contact button {
  background: #0F1E3D;
  color: #fff;
  padding: 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}
.site-footer {
  background: #0F1E3D;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 20px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-top: 10px;
  }
  .hero {
    padding: 50px 20px;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .btn-primary {
    padding: 12px 24px;
  }
}