body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f7f9fb;
  color: #333;
}

.hero {
  background: url('images/tall-building.jpg') center/cover no-repeat;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero .overlay {
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  border-radius: 12px;
}

.btn {
  background: #ffc107;
  color: #000;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 6px;
  margin-top: 1rem;
  display: inline-block;
}

section {
  padding: 3rem 1rem;
  text-align: center;
}

.services ul {
  list-style: none;
  padding: 0;
  font-size: 1.1rem;
  line-height: 2;
}

.projects .project-gallery {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.project-card {
  width: 300px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 0 10px #ccc;
  overflow: hidden;
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.project-card h3 {
  margin: 1rem 0 0.5rem;
}

footer {
  background: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}