body {
  background: #f5f7fa;
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #222;
  margin: 0;
  padding: 0;
  line-height: 1.6; /* improves readability */
}

.container {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  padding: 32px 24px;
  border: 1px solid #ddd; /* subtle border for definition */
}

header {
  text-align: center;
  margin-bottom: 40px;
  border-bottom: 2px solid #2d72d9; /* underline effect */
  padding-bottom: 12px;
}

h1 {
  color: #2d72d9;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: 1.2px;
}

.subtitle {
  color: #555;
  font-size: 1.2em;
  margin-top: 0;
  font-style: italic;
}

section {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee; /* subtle separator line */
}

section:last-child {
  border-bottom: none; /* no border on last section */
  margin-bottom: 0;
  padding-bottom: 0;
}

h2 {
  color: #2d72d9;
  margin-bottom: 12px;
  font-weight: 600;
  border-left: 4px solid #2d72d9;
  padding-left: 8px;
}

p {
  margin-bottom: 1.25em; /* more space between paragraphs */
  text-align: justify; /* neat text alignment */
  text-justify: inter-word;
  font-size: 1.1em;
  color: #333;
}

ul {
  padding-left: 20px;
  margin-top: 0;
}

li {
  margin-bottom: 10px;
  font-size: 1.05em;
  line-height: 1.4;
}

footer {
  text-align: center;
  color: #888;
  font-size: 0.9em;
  margin-top: 48px;
  border-top: 1px solid #ddd;
  padding-top: 12px;
}