* {
  box-sizing: border-box;
}

body {
  font-family: Georgia, "Times New Roman", Times, serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  background-color: #fff;
  padding: 40px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  min-height: 100vh;
}

nav {
  padding-bottom: 15px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
  border-bottom: 1px solid #000;
}

nav ul li {
  display: inline-block;
  margin: 0 2px;
}

nav a {
  display: inline-block;
  text-decoration: none;
  color: #333;
  background-color: rgb(170, 170, 238);
  padding: 5px 15px;
  font-size: 0.9rem;
  transition: background-color 0.2s;
  border: 1px solid #000;
  margin-bottom: -1px;
  cursor: pointer;
}

nav a:hover {
  background-color: #ddd;
}

nav a.active {
  background-color: #fff;
  border-bottom: 1px solid #fff;
  position: relative;
  z-index: 1;
}

.profile-header {
  display: flex;
  gap: 30px;
  margin-bottom: 40px;
  border-bottom: 1px solid #eee;
  padding-bottom: 30px;
}

.profile-photo {
  flex-shrink: 0;
}

.profile-photo img {
  width: 150px;
  height: 200px;
  object-fit: cover;
  border: 1px solid #ccc;
  padding: 3px;
  background: #fff;
}

.profile-info {
  flex-grow: 1;
}

.profile-info h1 {
  margin-top: 0;
  margin-bottom: 5px;
  font-size: 1.8rem;
  color: #000;
}

.profile-info h2 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1.1rem;
  font-weight: normal;
  color: #660066;
}

.affiliation {
  font-style: italic;
  margin-bottom: 15px;
  color: #444;
}

.contact-details {
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.social-links {
  margin-top: 10px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid #ccc;
  border-radius: 50%;
  margin-right: 5px;
  color: #555;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}

.social-links a:hover {
  background-color: #0056b3;
  color: #fff;
  border-color: #0056b3;
}

a {
  color: #0000ee;
  text-decoration: none;
}

.bio-section {
  margin-bottom: 40px;
  text-align: justify;
}

.news-header {
  background-color: #a52a2a;
  color: #fff;
  display: inline-block;
  padding: 2px 8px;
  font-weight: bold;
  font-size: 0.9rem;
  letter-spacing: 1px;
  margin-bottom: 15px;
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.news-list {
  list-style: disc;
  padding-left: 20px;
}
.news-list li {
  margin-bottom: 12px;
}

.date {
  font-weight: bold;
  color: #333;
  margin-right: 5px;
}

.pub-list li {
  margin-bottom: 15px;
}
.pub-title {
  font-weight: bold;
  font-size: 1.05em;
}

@media (max-width: 768px) {
  .profile-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .profile-photo img {
    width: 150px;
  }
  .container {
    padding: 20px;
  }
  nav ul li {
    display: block;
    margin: 5px 0;
  }
  nav a {
    display: block;
    margin-bottom: 0;
  }
}