/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient(135deg, #f4f4f9, #e6e9f0);
    color: #333;
  }
  
  /* Navbar */
  .navbar {
    background: linear-gradient(90deg, #1a3d7d, #4facfe);
    padding: 15px 0;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 999;
  }
  
  .navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: auto;
  }
  
  .logo {
    font-size: 1.8rem;
    font-weight: bold;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
  }
  
  .nav-links li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
  }
  
  .nav-links li a:hover {
    color: #ffda77;
  }
  
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
  }
  
  .hamburger span {
    width: 25px;
    height: 3px;
    background-color: #fff;
  }
  
  /* Responsive Nav */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
      flex-direction: column;
      background-color: #1a3d7d;
      position: absolute;
      top: 60px;
      right: 20px;
      padding: 15px;
      border-radius: 10px;
      animation: fadeIn 0.4s ease-in-out;
    }
  
    .nav-links.show {
      display: flex;
    }
  
    .hamburger {
      display: flex;
    }
  }
  
  /* Section */
  .update-section {
    padding: 50px 0;
    text-align: center;
  }
  
  .title {
    font-size: 2.5rem;
    color: #1a3d7d;
    margin-bottom: 30px;
  }
  
  /* Radio Tiles */
  .radio-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    padding: 0 20px;
  }
  
  .radio-tile {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    background-color: white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
  }
  
  .radio-tile:hover {
    transform: translateY(-5px);
  }
  
  .radio-tile input[type="radio"] {
    display: none;
  }
  
  .tile-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .circle {
    width: 20px;
    height: 20px;
    border: 2px solid #1a3d7d;
    border-radius: 50%;
    margin-bottom: 10px;
    transition: background 0.3s, border-color 0.3s;
  }
  
  .radio-tile input[type="radio"]:checked + .tile-content .circle {
    background: #4facfe;
    border-color: #4facfe;
  }
  
  .label {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
  }
  
  /* Button */
  .next-btn {
    margin-top: 30px;
    padding: 12px 35px;
    font-size: 1.2rem;
    background: linear-gradient(45deg, #ff416c, #ff4b2b);
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: background 0.4s;
  }
  
  .next-btn:hover {
    background: linear-gradient(45deg, #ff4b2b, #ff416c);
  }
  
  /* Footer */
  .footer {
    margin-top: 50px;
    background: #1a3d7d;
    padding: 20px 0;
    text-align: center;
    color: #fff;
  }
  
  /* Animations */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }