:root {
  --text: #1a1a1a;
  --muted: #555;
  --accent: #0b6cff;
  --bg: #f9fafb;
  --card: #ffffff;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Noto Serif Tamil", serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

header, section, footer {
  max-width: 780px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  padding-top: 2rem;
  padding-bottom: 0.5rem;
}

h1 {
  margin: 0 0 0.25rem 0;
  font-size: 2rem;
  color: #2c3e50;
}

h2 {
  margin-top: 1.75rem;
  font-size: 1.25rem;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}

li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.6rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}

footer {
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-bottom: 2rem;
}