body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  background-color: #e0e0e0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 24px auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.navbar-heading {
  color: #333;
  font-size: 2.1em;
  font-weight: bold;
  line-height: 1.1;
  text-align: left;
  min-width: 120px;
}

.navbar-heading span:last-child {
  font-size: 1.2em !important;
  color: #888 !important;
  font-weight: 500;
}

.navbar {
  background-color: #333;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 12px;
  border-radius: 6px;
}

.navbar a {
  color: white;
  padding: 14px 20px;
  display: block;
  text-align: center;
  text-decoration: none;
}

.navbar a:hover {
  background-color: #575757;
}

.container {
  width: 100%;
  max-width: 900px;
  padding: 20px;
  box-sizing: border-box;
}


.section {
  margin-bottom: 40px;
}

.profile-photo {
  width: 300px;
  height: auto;
  /* border-radius: 50%; */
  margin-top: 0;
  flex-shrink: 0;
  align-self: flex-end;
}

.icons {
  display: flex;
  gap: 20px;
  font-size: 40px;
  margin-top: 10px;
}

.icons a {
  color: #1976d2;
  transition: color 0.3s ease;
}

.icons a:hover {
  color: #63a4ff;
}

@media screen and (max-width: 600px) {
  .icons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .navbar-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 8px;
    gap: 8px;
  }
  .navbar-heading {
    margin-bottom: 8px;
    font-size: 1.5em;
  }
  .navbar-heading span:last-child {
    font-size: 1.1em !important;
  }
  .navbar {
    width: 100%;
    justify-content: flex-start;
    padding: 0 4px;
  }
  .navbar a {
    text-align: left;
    width: 100%;
    padding: 10px 8px;
  }
}
.greeting-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  text-align: left;
  gap: 40px;
  margin: 0 auto;
  width: 100%;
}

.greeting-text {
  max-width: 400px;
  text-align: left;
  flex: 1;
}

.greeting-text p {
  font-size: 2em;
  font-weight: bold;
  margin: 0 0 10px 0;
}

@media screen and (max-width: 600px) {
  .greeting-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }
  .greeting-text {
    text-align: center;
  }
  .profile-photo {
    width: 180px;
    align-self: center;
  }
}

.contact-intro {
  font-size: 1.35em;
  font-weight: 500;
  color: #222;
  margin-bottom: 0;
}

.research-list {
  list-style: disc inside;
  margin-top: 18px;
  margin-bottom: 0;
  padding-left: 0;
}
.research-list li {
  margin-bottom: 14px;
  font-size: 1.25em;
}
.research-topic {
  font-weight: bold;
  font-size: 1.15em;
}
.research-desc {
  font-weight: normal;
  font-size: 0.98em;
  color: #444;
  margin-left: 6px;
}