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

html {
  font-size: 62.5%; /* Base font size for scaling */
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  color: #333;
  line-height: 1.5;
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to top left, #28b487, #7dd56f);
}

.show-modal {
  font-size: 1.6rem; /* Adjusted for better visibility on mobile */
  font-weight: 600;
  padding: 1.5rem 3rem; /* Adjusted padding for mobile devices */
  margin: 2rem; /* Reduced margin for mobile */
  border: none;
  background-color: #fff;
  color: #444;
  border-radius: 10rem;
  cursor: pointer;
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 3rem; /* Adjusted for better visibility on mobile */
  color: #333;
  cursor: pointer;
  border: none;
  background: none;
}

h1 {
  font-size: 2rem; /* Adjusted for mobile */
  margin-bottom: 1.5rem; /* Adjusted for mobile */
}

p {
  font-size: 1.6rem; /* Adjusted for mobile */
}

.hidden {
  display: none;
}

.modal {
  position: fixed; /* Changed to fixed for better positioning */
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%; /* Adjusted width for better mobile experience */
  max-width: 600px; /* Max width for larger screens */
  background-color: white;
  padding: 4rem; /* Adjusted padding for larger screens */
  border-radius: 5px;
  box-shadow: 0 3rem 5rem rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.overlay {
  position: fixed; /* Changed to fixed for better coverage */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(3px);
  z-index: 5;
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
  .show-modal {
    font-size: 1.4rem; /* Slightly smaller font size for tablets */
    padding: 1.25rem 2.5rem; /* Adjusted padding for tablets */
    margin: 1.5rem; /* Reduced margin for tablets */
  }

  .close-modal {
    font-size: 2.5rem; /* Slightly smaller close button for tablets */
  }

  .modal {
    width: 95%; /* Adjusted width for smaller screens */
    padding: 3rem; /* Reduced padding for tablets */
  }

  h1 {
    font-size: 1.8rem; /* Smaller font size for headings on mobile */
  }

  p {
    font-size: 1.4rem; /* Smaller font size for paragraphs on mobile */
  }
}

@media (max-width: 480px) {
  .show-modal {
    font-size: 1.2rem; /* Smaller font size for mobile phones */
    padding: 1rem 2rem; /* Further reduced padding for mobile phones */
    margin: 1rem; /* Further reduced margin for mobile phones */
  }

  .close-modal {
    font-size: 2rem; /* Smaller close button for mobile phones */
  }

  .modal {
    width: 100%; /* Full width for mobile phones */
    padding: 1.5rem; /* Further reduced padding for mobile phones */
  }

  h1 {
    font-size: 1.6rem; /* Smaller font size for headings on mobile phones */
  }

  p {
    font-size: 1.2rem; /* Smaller font size for paragraphs on mobile phones */
  }
}