body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  transition: background-color 0.3s ease;
}

.dark-mode {
  background-color: #121212;
  color: #ffffff;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #0073e6;
  padding: 10px 20px;
  color: white;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: #ffcc00;
}

#theme-toggle {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: white;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px;
  background: linear-gradient(135deg, #0073e6, #0044cc);
  color: white;
}

.profile-pic {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid white;
  margin-right: 20px;
}

section {
  padding: 50px;
  text-align: center;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.project-card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: scale(1.05);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.skills-list li {
  background: #0073e6;
  color: white;
  padding: 10px 15px;
  border-radius: 5px;
  list-style: none;
}

footer {
  background-color: #0073e6;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
}