body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
  text-align: center;
}

header {
  background-color: #333;
  color: white;
  padding: 2rem 1rem;
}

.intro {
  padding: 2rem;
}

.links button {
  margin: 1rem;
  padding: 0.8rem 1.5rem;
  background-color: #0066cc;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.links button:hover {
  background-color: #005bb5;
}

/* MODAL STYLES */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 5%;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.7);
}

.modal-content {
  background-color: #fff;
  margin: auto;
  padding: 1rem;
  border-radius: 5px;
  width: 80%;
  max-width: 800px;
  text-align: left;
  position: relative;
}

.close {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 1.5rem;
  color: #333;
  cursor: pointer;
}

.download-btn {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.6rem 1.2rem;
  background-color: #28a745;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
}

.download-btn:hover {
  background-color: #218838;
}