body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #333;
  color: #fff;
  padding: 20px 0;
  text-align: center;
}

nav a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 60px 20px;
  background: #4d5c6a;
  color: white;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background: #fff;
  color: #5981ac;
  text-decoration: none;
  border-radius: 5px;
}

.features {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 40px 20px;
}

.feature-box {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 200px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 20px;
  background: #222;
  color: #fff;
}

@media (max-width: 768px) {
  .features {
    flex-direction: column;
    align-items: center;
  }

  .feature-box {
    width: 80%;
    margin-bottom: 20px;
  }

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

.btn:hover {
  background-color: #4d6885;
  color: white;
  transition: 0.3s;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: 0.3s;
}