body {
  font-family: Arial, sans-serif;
  max-width: 900px;
  margin: auto;
  padding: 20px;
  line-height: 1.6;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
}

/* Navigation */
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #0056b3;
}

nav a:hover {
  text-decoration: underline;
}

/* Intro section */
.intro {
  text-align: center;      /* center everything */
  margin-top: 30px;
}

/* Profile image */
.profile-img {
  display: block;          /* required for centering */
  margin: 0 auto;
  width: 180px;
  border-radius: 50%;      /* circular image */
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

/* Footer */
footer {
  margin-top: 50px;
  text-align: center;
  color: gray;
  font-size: 0.9em;
}

.contact-form button {
  margin-top: 20px;
  background-color: #0056b3;
  color: white;
  border: none;
  padding: 15px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1em;
}

.contact-form button:hover {
  background-color: #004494;
}