/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  max-width: 740px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  color: #1a1a1a;
  line-height: 1.7;
  background: #fff;
}

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #666;
  margin-bottom: 1rem;
}

p.subtitle {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  color: #555;
  line-height: 1.5;
}

/* Header */
header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #e0e0e0;
}

/* Bio */
.bio {
  margin-bottom: 3rem;
}

.bio p {
  font-size: 1.05rem;
  color: #333;
  margin-bottom: 1.5rem;
}

.bio em {
  font-style: italic;
}

/* Book Links */
.book-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  display: inline-block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  background: #1a1a1a;
  color: #fff;
}

.btn:hover {
  background: #333;
}

.btn-outline {
  background: transparent;
  color: #1a1a1a;
  border: 1px solid #1a1a1a;
}

.btn-outline:hover {
  background: #1a1a1a;
  color: #fff;
}

/* Publications */
.section {
  margin-bottom: 3rem;
}

.pub-count {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
  color: #999;
  margin-top: -0.5rem;
  margin-bottom: 1.25rem;
}

ul {
  list-style: none;
}

li {
  padding: 0.6rem 0;
  border-bottom: 1px solid #f0f0f0;
  line-height: 1.5;
}

li:last-child {
  border-bottom: none;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.date {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  display: block;
  color: #999;
  font-size: 0.8rem;
  margin-top: 0.15rem;
}

.empty {
  color: #999;
  font-style: italic;
}

/* Responsive */
@media (max-width: 600px) {
  body { padding: 2rem 1rem; }
  h1 { font-size: 1.6rem; }
  .book-links { flex-direction: column; }
  .btn { text-align: center; }
}