body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
}

.gallery {
  padding: 40px 20px;
  max-width: 1200px;
  margin: auto;
}

.heading {
  font-size: 2.5rem;
  color: #2c3e50;
  text-align: center;
  margin-bottom: 40px;
}

.gallery-section {
  margin-bottom: 60px;
}

.gallery-section h2 {
  font-size: 1.8rem;
  color: #34495e;
  margin-bottom: 20px;
  border-left: 5px solid #007acc;
  padding-left: 15px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.back-home-btn {
    display: inline-block;
    margin: 20px auto;
    padding: 12px 24px;
    background-color: #003366;
    color: white;
    text-decoration: none;
    font-size: 16px;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.back-home-btn:hover {
    background-color: #0055aa;
    transform: translateY(-2px);
}