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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial;
  line-height: 1.7;
  color: #2d2d2d;
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  background: #fbf5ed;
}

/* Navigation */
nav {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0d6cc;
}

nav a {
  color: #555;
  text-decoration: none;
  margin-right: 1.25rem;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
  color: #000;
}

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2rem 0 1rem;
  color: #1a1a1a;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: #1a1a1a;
}

p {
  margin-bottom: 1rem;
  color: #4a4a4a;
}

/* Bio section */
.bio {
  font-size: 1.15rem;
  color: #666;
  line-height: 1.8;
}

/* Links */
a {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #004499;
  text-decoration: underline;
}

/* Lists */
ul, ol {
  margin: 0 0 1.5rem 1.5rem;
  color: #4a4a4a;
}

li {
  margin-bottom: 0.5rem;
}

/* Sections */
section {
  margin-top: 2.5rem;
}

/* Publication/Writing cards */
.publication,
.writing-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.publication:last-child,
.writing-item:last-child {
  border-bottom: none;
}

.publication-title,
.writing-title {
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.25rem;
}

.publication-authors {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.publication-venue {
  color: #888;
  font-size: 0.9rem;
  font-style: italic;
}

.writing-date {
  color: #999;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.writing-excerpt {
  color: #555;
  margin-top: 0.5rem;
}

/* Contact info */
.contact-list {
  list-style: none;
  margin: 0;
}

.contact-list li {
  margin-bottom: 0.75rem;
}

.contact-label {
  font-weight: 500;
  color: #333;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0d6cc;
  color: #999;
  font-size: 0.85rem;
}

/* Back button */
.back-link {
  display: inline-block;
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: #1a1a1a;
  text-decoration: none;
}

/* Notes list */
.notes-list {
  margin-top: 2rem;
}

.note-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid #e0d6cc;
}

.note-item:last-child {
  border-bottom: none;
}

.note-item h2 {
  font-size: 1.25rem;
  margin: 0 0 0.25rem;
}

.note-date {
  color: #999;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.note-tags {
  margin: 0;
}

.tag {
  display: inline-block;
  background: #e8e0d6;
  color: #666;
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  margin-right: 0.4rem;
}

/* Responsive */
@media (max-width: 600px) {
  body {
    padding: 2rem 1.25rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  nav a {
    display: block;
    margin-bottom: 0.5rem;
    margin-right: 0;
  }
}