body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0b0b0b;
  color: white;
}

header {
  display: flex;
  align-items: center;
  padding: 20px;
  background: black;
}

.logo {
  width: 60px;
  margin-right: 15px;
}

header h1 {
  color: gold;
  margin: 0;
}

.hero {
  background: url('images/office.jpg') center/cover;
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay {
  background: rgba(0,0,0,0.7);
  padding: 40px;
  text-align: center;
}

.btn {
  background: gold;
  color: black;
  padding: 12px 25px;
  text-decoration: none;
  font-weight: bold;
}

.about, .services, .contact {
  padding: 50px;
  text-align: center;
}

.services .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 20px;
}

.card {
  border: 1px solid gold;
  padding: 20px;
}

.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: green;
  color: white;
  padding: 15px;
  border-radius: 50%;
}

.highlight {
  background: gold;
  color: black;
  padding: 40px;
  text-align: center;
}

footer {
  background: black;
  text-align: center;
  padding: 20px;
}