body {
  margin: 0;
  padding: 0;
  font-family: 'Georgia', serif;
  height: 100vh;
  overflow: hidden;
}

.image-grid {
  position: fixed;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-auto-rows: 200px;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.image-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.25);
  z-index: 1;
}

.card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-image: url('images/paper.avif');
  background-size: cover;
  padding: 60px 80px;
  text-align: center;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 2;
  color: #333;
}

.card h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.card p {
  font-size: 1.5rem;
  margin: 0;
}