body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background: #f8f8f8;
  color: #333;
}

header {
  background: url('img/header.jpg') no-repeat center center/cover;
  height: 80vh;
  position: relative;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

header .overlay {
  background-color: rgba(0,0,0,0.6);
  padding: 2rem;
  width: 100%;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin: 0 1rem;
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.btn {
  margin-top: 1rem;
  display: inline-block;
  background: #007BFF;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
}

section {
  padding: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.why-us ul {
  list-style: none;
  padding: 0;
}

.map #map {
  width: 100%;
  height: 400px;
  margin-top: 1rem;
}