* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background-color: #121212;
    color: #ffffff;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  a {
    text-decoration: none;
    color: #4ea8de;
    transition: color 0.3s;
  }
  .message{
    color: #e8ecef;
  }
  
  a:hover {
    color: #1f8ea3;
  }
  
  section {
    padding: 60px 20px;
    margin-bottom: 40px;
  }
  
  h1, h2, h3 {
    margin-bottom: 10px;
  }
  
  button {
    background-color: transparent;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
  }
  
  .theme-toggle-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 30px;
    z-index: 999;
  }
  
  .profile-img {
    border-radius: 50%;
    height:200px;
    width: 200px;
    margin-bottom: 20px;
    border: 4px solid #4ea8de;
    box-shadow: 0 0 10px rgba(78, 168, 222, 0.5);
  }
  
  .hero {
    text-align: center;
  }
  
  .cta-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4ea8de;
    color: white;
    border-radius: 5px;
    margin-top: 20px;
    transition: background-color 0.3s ease;
  }
  
  .cta-btn:hover {
    background-color: #1f8ea3;
  }
  
  .timeline {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .timeline-card {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    flex: 1 1 45%;
  }
  
  .skills-grid, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .skill-card, .project-card {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    text-align: left;
    transition: transform 0.3s ease;
  }
  
  .skill-card:hover, .project-card:hover {
    transform: translateY(-5px);
  }
  
  .project-card img {
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 15px;
  }
  
  .project-link {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 15px;
    background-color: #4ea8de;
    color: white;
    border-radius: 5px;
  }
  
  .icon {
    width: 40px;
    height: 40px;
  }
  
  .icon-set {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
  }
  
  .icon-label {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .contact-form input,
  .contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    border: 1px solid #333;
    border-radius: 5px;
    background-color: #1e1e1e;
    color: white;
  }
  
  .contact-form button {
    width: 100%;
    padding: 12px;
    background-color: #4ea8de;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
  }
  
  .light-mode {
    background-color: #f5f5f5;
    color: #222;
  }
  
  .light-mode .theme-toggle-btn {
    color: #222;
  }
  
  .light-mode .timeline-card,
  .light-mode .skill-card,
  .light-mode .project-card,
  .light-mode .contact-form input,
  .light-mode .contact-form textarea {
    background-color: #ffffff;
    color: #222;
    border: 1px solid #ccc;
  }
  
  .light-mode .cta-btn,
  .light-mode .project-link,
  .light-mode .contact-form button {
    background-color: #1f8ea3;
  }
  
  @media (max-width: 768px) {
    .timeline {
      flex-direction: column;
    }
  
    .theme-toggle-btn {
      top: 10px;
      right: 10px;
      font-size: 24px;
    }
  }