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

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

header {
  background: #0d47a1;
  color: #fff;
  padding: 20px 0;
}

header h1 {
  float: left;
  margin-left: 20px;
}

nav {
  float: right;
  margin-right: 20px;
}

nav ul {
  list-style: none;
}

nav ul li {
  display: inline;
  margin-left: 20px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  background: #1976d2;
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.hero .btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 25px;
  background: #fff;
  color: #1976d2;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

.services, .about, .contact {
  padding: 40px 0;
  background: #fff;
}

.services h2, .about h2, .contact h2 {
  text-align: center;
  margin-bottom: 30px;
}

.service-box {
  margin-bottom: 20px;
  padding: 20px;
  background: #f1f1f1;
  border-radius: 8px;
}

footer {
  background: #0d47a1;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}