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

/* Body Styles */
body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background-color: #f3f4f6;
  font-family: Arial, sans-serif;
  color: #333;
}

/* Header Styles */
header {
  width: 100%;
  padding: 1.5rem;
  background-color: #2563EB;
  color: #ffffff;
  text-align: center;
  border-bottom: 4px solid #1d4bb8;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1rem;
  margin: 0;
}

/* Main Container */
main {
  width: 100%;
  max-width: 800px;
  padding: 1.5rem;
}

/* About Section */
section {
  background-color: #ffffff;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

section h2 {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 1rem;
}

section p {
  font-size: 1rem;
  line-height: 1.6;
  color: #555;
}

section a {
  color: #2563EB;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.3s ease;
}

section a:hover {
  color: #1d4bb8;
}

ul {
  list-style-type: none;
  padding: 0;
  margin-top: 0.5rem;
}

li {
  font-size: 1rem;
}

/* Canvas Container */
#canvas {
  border: 2px solid #2563EB;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  margin-top: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.75rem;
  }

  header p, section p, li {
    font-size: 0.95rem;
  }

  #canvas {
    width: 100%;
    height: auto;
  }
}