:root {
  --bg: #fcfcfc;
  --text: #111827;
  --accent: #000000;
  --hover: #f3f4f6;
  --border: #e5e7eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --text: #f9fafb;
    --accent: #ffffff;
    --hover: #1f2937;
    --border: #374151;
  }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main.container {
  max-width: 768px;
  margin: 0 auto;
  padding: 60px 24px;
}

h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 2.5rem;
  letter-spacing: -0.03em;
  color: var(--accent);
}

h2, h3 {
  font-weight: 700;
  margin-top: 2rem;
  letter-spacing: -0.01em;
  color: var(--accent);
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

li a {
  display: block;
  color: var(--text);
  text-decoration: none;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  font-weight: 500;
}

li a:hover {
  background-color: var(--hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border-color: var(--text);
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

p a, span a, div > a:not(li a) {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 500;
  transition: color 0.2s ease;
}

p a:hover, span a:hover, div > a:not(li a):hover {
  color: #6b7280;
}