body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4fdf6;
  color: #2b3d2f;
}

header {
  text-align: center;
  padding: 2em;
  background-color: #d8f0e1;
}

.logo {
  width: 150px;
  margin-top: 1em;
}

.hero {
  text-align: center;
  padding: 2em;
}

.vehicle-showcase {
  display: flex;
  justify-content: space-around;
  padding: 2em;
}

.vehicle-card {
  background-color: #ffffff;
  padding: 1em;
  border-radius: 10px;
  box-shadow: 0 0 5px #aaa;
}

.eco-meter {
  padding: 2em;
  text-align: center;
}

.bar-bg {
  width: 80%;
  height: 20px;
  background: #ccc;
  margin: 0 auto;
  border-radius: 10px;
}

.bar-fill {
  width: 0%;
  height: 100%;
  background: #7bcf7c;
  border-radius: 10px;
}

.modal {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.6);
}

.modal-content {
  background-color: #fff;
  margin: 15% auto;
  padding: 2em;
  width: 50%;
  border-radius: 10px;
}

.close {
  float: right;
  font-size: 1.5em;
  cursor: pointer;
}