/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
}

/* Header */
header {
  background-color: #800000; /* IIT Madras maroon */
  color: #fff;
  text-align: center;
  padding: 20px 0;
}

header h1 {
  margin: 0;
}

/* Main Content */
main {
  padding: 20px;
  max-width: 1200px;
  margin: auto;
}

.video-section,
.pdf-section {
  margin-bottom: 40px;
}

h2 {
  color: #800000; /* IIT Madras maroon */
}

/* Video */
video {
  width: 100%;
  max-width: 700px;
  display: block;
  margin: 0 auto;
}

/* PDF Section */
.pdf-section iframe {
  border: 1px solid #ccc;
}

/* Download Button */
.download-button {
  display: block; /* Make the button a block element */
  background-color: #800000; /* IIT Madras maroon */
  color: #fff;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin: 20px auto; /* Center the button */
}

.download-button:hover {
  background-color: #5a0000; /* Darker shade for hover effect */
}

/* Footer */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 10px 0;
}

footer p {
  margin: 0;
}

/* General Styles for Mobile */
@media (max-width: 768px) {
  /* Main Container */
  main {
    padding: 10px;
  }

  /* Video Section */
  video {
    width: 100%;
    max-width: 100%; /* Ensure video takes full width on small screens */
    height: auto; /* Maintain aspect ratio */
  }

  /* PDF Section */
  .pdf-section iframe {
    width: 100%;
    height: 300px; /* Adjust height for smaller screens */
  }

  /* Header */
  header h1 {
    font-size: 1.5rem; /* Reduce font size for small screens */
    padding: 10px;
  }

  /* Section Headers */
  h2 {
    font-size: 1.2rem; /* Adjust section heading size */
  }

  /* Download Button */
  .download-button {
    padding: 10px 15px;
    font-size: 14px; /* Make button slightly smaller */
    margin-top: 15px;
  }

  /* Footer */
  footer p {
    font-size: 14px;
  }
}

/* Styles for Tablets (portrait and landscape) */
@media (min-width: 769px) and (max-width: 1024px) {
  video {
    width: 100%;
    max-width: 90%;
    height: auto; /* Ensure proper scaling */
  }

  .pdf-section iframe {
    width: 100%;
    height: 400px; /* Adjust height for tablet screens */
  }

  .download-button {
    font-size: 15px;
    padding: 12px 18px;
  }

  footer p {
    font-size: 15px;
  }
}

.software-domain-section {
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  margin-top: 20px;
}

.software-domain-section h2 {
  color: #333;
  font-size: 1.5em;
  margin-bottom: 10px;
}

.software-domain-section ul {
  list-style-type: disc;
  padding-left: 20px;
}

.software-domain-section li {
  margin-bottom: 10px;
}