* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

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

header {
  background: #1e88e5;
  color: white;
  padding: 20px 0;
}

header h1 {
  text-align: center;
  margin-bottom: 10px;
}

nav {
  text-align: center;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  background: linear-gradient(to right, #42a5f5, #64b5f6);
  color: white;
  padding: 60px 20px;
  text-align: center;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: white;
  color: #1e88e5;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

.about, .services {
  padding: 40px 20px;
  background: #fff;
  margin: 20px 0;
}

.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.card {
  flex: 1 1 30%;
  background: #e3f2fd;
  padding: 20px;
  border-radius: 10px;
  min-width: 260px;
}

footer {
  background: #1e88e5;
  color: white;
  text-align: center;
  padding: 15px 0;
}