body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #F5F5F5;
  color: #212121;
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background-color: #1A237E;
}
.navbar .logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #FFFFFF;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}
.nav-links li a {
  text-decoration: none;
  color: #FFFFFF;
  font-weight: bold;
}
.nav-links li a.active {
  color: #FFC107;
}
.hero {
  text-align: center;
  padding: 100px 20px;
  background: url('https://source.unsplash.com/1600x600/?digital,marketing') no-repeat center center/cover;
  color: white;
}
.hero h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}
.hero p {
  font-size: 1.2em;
  margin-bottom: 20px;
}
.btn {
  background-color: #FFC107;
  padding: 10px 20px;
  color: #212121;
  font-weight: bold;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover {
  background-color: #00ACC1;
  color: white;
}
.content {
  padding: 50px 20px;
  max-width: 1100px;
  margin: auto;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.why-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
footer {
  background-color: #212121;
  color: #F5F5F5;
  text-align: center;
  padding: 15px;
  margin-top: 50px;
}