body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #111;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

header {
  margin-bottom: 2.5rem;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.3rem;
}

.subtitle {
  color: #444;
  font-size: 0.95rem;
}

h2 {
  margin-top: 2.5rem;
  font-size: 1.4rem;
  border-bottom: 1px solid #e5e5e5;
  padding-bottom: 0.3rem;
}

p {
  margin: 0.8rem 0;
}

ul {
  padding-left: 1.2rem;
}

li {
  margin: 0.4rem 0;
}

a {
  color: #0056d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.pub {
  margin-top: 1.5rem;
}

.pub .title {
  font-weight: 600;
}

.pub .meta {
  font-size: 0.9rem;
  color: #444;
}

.pub .authors {
    font-size: 0.95rem;
    color: #333;
}

.me {
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 2px;
  }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-text {
  flex: 1;
}

.header-photo img {
  width: 80px;
  height: auto;
  border-radius: 6px;   /* subtle rounding, not too “profile-pic” */
  object-fit: cover;
}

.header-photo img {
  filter: grayscale(5%);
}

.header-photo img {
  width: 250px;
}

footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #666;
}