* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
  }
  
  .underline-nav {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 10px 0;
    text-align: center;
  }
  .underline-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .underline-nav li {
    display: inline-block;
    margin: 0 20px;
  }
  .underline-nav a {
    position: relative;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 18px;
    padding-bottom: 5px;
  }
  .underline-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: #00aaff;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
  }
  .underline-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
  }
  
  
  .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
  }
  
  
  header {
    background-color: #333;
    color: white;
    padding: 40px 0;
    text-align: center;
  }
  header h1 {
    font-size: 2.5rem;
  }
  
  
  section {
    margin: 40px 0;
  }
  h2 {
    color: #1e2a38;
    margin-bottom: 10px;
  }
  
  
  .skills ul {
    list-style-type: square;
    padding-left: 20px;
  }
  
  
  .project {
    background: white;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 5px solid #00aaff;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  }
  
  
  form {
    display: flex;
    flex-direction: column;
  }
  form input, form textarea {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  form button {
    padding: 10px;
    background-color: #00aaff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  form button:hover {
    background-color: #007acc;
  }
  
  
  footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: white;
  }