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

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  color: #222;
  line-height: 1.6;
}

header {
  background-color: #0a0a23;
  color: #ffffff;
  padding: 20px 0;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

header h1 {
  font-size: 24px;
}

nav a {
  color: #00ffcc;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
}

.hero {
  background-color: #e3f2fd;
  text-align: center;
  padding: 60px 20px;
}

.section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}

.services-list {
  list-style: none;
  padding-left: 0;
  margin-top: 20px;
}

.services-list li {
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid #0a0a23;
}

footer {
  background-color: #0a0a23;
  color: #ffffff;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}

@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    display: block;
    margin: 10px 0;
  }
}