body {
  font-family: "Roboto", "Segoe UI", Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  line-height: 1.7;
  scroll-behavior: smooth;
  background: #fdfdfd;
}
h1, h2, h3 { font-weight: 600; color: #222; }
a { color: #0073e6; text-decoration: none; }
header {
  color: #fff;
  background-image: url('./images/header-bg.jpg');
  background-color: rgba(91, 163, 146, .73);
  padding: 20px 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}
header h1 { margin: 10px 0 5px; font-size: 2rem; color: #fff }
header p { margin: 0 0 15px; font-size: 1.1rem; }
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
nav ul li { margin: 5px 15px; }
nav a { color: #fff; font-weight: bold; }
nav a:hover { border-bottom: 2px solid #fff; }
section {
  padding: 60px 20px;
  max-width: 1000px;
  margin: auto;
}
section:nth-child(even) { background: #f7faff; }
section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
  border-bottom: 3px solid #0073e6;
  display: inline-block;
  padding-bottom: 5px;
}
.profile-img {
  display: block;
  margin: 30px auto;
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  border: 0.5px solid #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.pub-img {
  max-width: 200px;
  margin: 15px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.contact-form {
  max-width: 600px;      /* keeps it nicely contained */
  margin: 0 auto;        /* center horizontally */
  padding: 20px;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 15px;             /* spacing between fields */
}

.contact-form input,
.contact-form textarea,
.contact-form button {
  width: 100%;           /* make them responsive */
  box-sizing: border-box;
  padding: 12px 15px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.contact-form button {
  background: #007bff;
  color: white;
  font-weight: bold;
  cursor: pointer;
  border: none;
  transition: background 0.3s;
}

.contact-form button:hover {
  background: #0056b3;
}

footer {
  background: #222;
  color: #ddd;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}
footer a { color: #ddd; margin: 0 8px; }
footer a:hover { color: #fff; }