body {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 16px;
  line-height: 1.6;
  max-width: 800px;
  margin: 50px auto;
  padding: 0 25px;
  color: #222;
  background: #fafafa;
}
a {
  color: #1a5a96;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
nav {
  margin-bottom: 35px;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 15px;
}
nav a {
  margin-right: 22px;
}
h1 {
  font-size: 26px;
  font-weight: normal;
  margin-bottom: 25px;
  color: #111;
}
.container {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}
.photo {
  width: 200px;
  flex-shrink: 0;
}
.photo img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid #e0e0e0;
}
.bio {
  flex: 1;
}
.bio p {
  margin: 0 0 14px 0;
}
.links {
  margin-top: 20px;
}
.links a {
  margin-right: 15px;
}
hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 35px 0;
}
.section-title {
  font-weight: bold;
  margin-bottom: 18px;
  color: #111;
}
.project {
  margin-bottom: 28px;
}
.project-title {
  font-weight: bold;
  color: #111;
}
.project p {
  margin: 6px 0 10px 0;
  color: #444;
}
.placeholder-link {
  color: #999;
  cursor: default;
}
footer {
  margin-top: 35px;
  padding: 20px 0;
  font-size: 14px;
  border-top: 1px solid #e0e0e0;
  color: #555;
}
footer a {
  margin-right: 15px;
}
@media (max-width: 600px) {
  body {
    margin: 25px auto;
    padding: 0 15px;
  }
  h1 {
    font-size: 22px;
    text-align: center;
  }
  nav {
    margin-bottom: 25px;
  }
  nav a {
    margin-right: 12px;
    display: inline-block;
    margin-bottom: 8px;
  }
  .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .photo {
    width: 150px;
    margin-bottom: 15px;
  }
  .links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  .links a {
    margin-right: 0;
  }
}