body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: url("uni_bg.jpeg") no-repeat center center fixed;
  background-size: cover;
}

header {
  position: relative;
  height: 80px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  border-bottom: none;
  overflow: hidden;
  background: transparent;
}

header .header-image {
  max-height: 60px;
  max-width: 100%;
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

header h1 {
  margin: 0;
  font-size: 36px;
  color: white;
  text-align: center;
  flex: 1;
  z-index: 1;
  text-shadow: 1px 1px 2px black, -1px -1px 2px black, 1px -1px 2px black,
    -1px 1px 2px black;
}

main {
  text-align: center;
  margin-top: 20px;
}

.header-button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  display: block;
  width: 300px; /* Width for consistency */
  box-sizing: border-box;
  text-align: center;
  margin: 10px auto; /* Center button and add vertical margin */
}

.header-button:hover {
  background-color: #0056b3;
}

/* Adjust margins for better spacing */
#erp-button {
  margin-bottom: 0px; /* Reduce bottom margin for "ERP" button */
}
#contribute-button {
  margin-top: 0px; /* Reduce top margin for "Contribute" button */
}

.button-group {
  display: flex;
  justify-content: center; /* Center the button group */
  gap: 10px; /* Space between the buttons */
  margin-left: auto;
  margin-right: auto;
  width: 300px; /* Same width as ERP button */
}

.button-group-item {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 0; /* Adjust padding to make buttons consistent */
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  text-align: center;
  flex: 1; /* Ensure buttons stretch to fit container */
  box-sizing: border-box;
  width: 100%; /* Full width within container */
}

.menu-content {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 20px;
  z-index: 1000;
  width: 80%;
  max-width: 600px;
}

.menu-step {
  display: none;
}

.menu-step.show {
  display: block;
}

.menu-select {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.nav-button {
  background-color: #28a745;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  margin: 10px;
}

.nav-button:hover {
  background-color: #218838;
}

.submit-button {
  background-color: #17a2b8;
  color: white;
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 10px;
  display: none;
}

.submit-button:hover {
  background-color: #138496;
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9); /* Darker background */
  z-index: 999;
}

/* Popup styles */
.popup {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 20px;
  z-index: 1000;
  width: 80%;
  max-width: 600px;
  text-align: center;
}

.popup-show {
  display: block;
}

.popup label {
  display: block;
  margin: 10px 0;
}

.popup button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 10px;
}

.popup button:hover {
  background-color: #0056b3;
}

/* Popup link styling */
.popup-link {
  color: inherit; /* Inherit color from surrounding text or set a specific color */
  text-decoration: none; /* Remove underline */
}

.popup-link:hover {
  text-decoration: underline; /* Optional: Add underline on hover */
}

/* Footer Styles */
footer {
  background-color: rgba(0, 0, 0, 0.7); /* Slightly darker overlay */
  color: white;
  padding: 10px;
  text-align: center;
  position: fixed;
  bottom: 0;
  width: 100%;
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.3);
  z-index: 1000; /* Ensure footer is above other content */
}

.footer-text {
  font-size: 10px; /* Smaller text size */
  color: white;
  margin: 0;
}

.footer-text a {
  color: #ddd; /* Less prominent color */
  text-decoration: none;
}

.footer-text a:hover {
  color: #bbb; /* Subtle color change on hover */
  text-decoration: underline;
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
  header {
    height: auto;
    padding: 10px;
  }

  header .header-image {
    max-height: 50px;
    left: 10px;
  }

  header h1 {
    font-size: 28px;
  }

  .header-button {
    width: 70%;
  }

  .button-group {
    width: 90%; /* Adjust for smaller screens */
  }

  .footer-text {
    font-size: 8px; /* Even smaller text size on smaller screens */
  }
}

@media (max-width: 480px) {
  header .header-image {
    max-height: 40px;
  }

  header h1 {
    font-size: 24px;
  }

  .header-button {
    width: 70%;
  }

  .button-group {
    width: 70%; /* Full width on very small screens */
  }

  .footer-text {
    font-size: 7px; /* Smallest text size on very small screens */
  }
}