body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #111;
    color: #fff;
}
header.hero {
    background: url('images/hero.jpg') no-repeat center center/cover;
    height: 80vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
header.hero .overlay {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    text-align: center;
}
header.hero h1 {
    font-size: 3rem;
    margin: 0;
}
header.hero p {
    font-size: 1.5rem;
}
nav {
    background-color: #222;
    padding: 1rem;
    text-align: center;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
}
main {
    padding: 2rem;
}
.bio-photo {
    width: 300px;
    border-radius: 12px;
    margin-bottom: 1rem;
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  background-color: #111;
  display: flex;
  gap: 20px;
}

nav li {
  position: relative;
}

nav a {
  text-decoration: none;
  color: white;
  padding: 15px 20px;
  display: block;
}

nav .dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  background-color: #222;
  min-width: 160px;
  z-index: 1;
}

nav .dropdown-content li {
  border-top: 1px solid #333;
}

nav .dropdown:hover .dropdown-content {
  display: block;
}
.intro-text {
  background-color: #111;
  color: #eee;
  padding: 40px 20px;
  max-width: 800px;
  margin: 40px auto;
  text-align: center;
}

.intro-text h2 {
  font-size: 2em;
  margin-bottom: 15px;
  color: #fff;
}