* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
  color: #333;
  padding: 20px;
  line-height: 1.6;
}

header {
  text-align: center;
  margin-bottom: 50px;
  color: white;
  background: rgb(102, 126, 234);
  padding: 50px;
}

header h1 {
  font-size: 40px;
  margin-bottom: 15px;
  font-weight: 600;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin: 0 auto;
  padding: 30px;
  max-width: 1200px;
}

.gallery img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.4s ease;
  cursor: pointer;
}

.gallery img:hover {
  transform: translateY(-10px) scale(1.02);
}

@media (max-width: 768px) {
  .gallery {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    padding: 20px;
    gap: 16px;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .page-header p {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery img {
    border-radius: 4px;
  }
}