html, body {
      height: 100%;
      margin: 0;
      padding: 0;
      background: #f4f4f4;
      font-family: 'Poppins', sans-serif;
    }
    .vertical-nav {
      position: fixed;
      width: 15%;
      height: 100vh;
      background-color: #073767;
      top: 0;
      left: 0;
      box-shadow: 2px 0 12px rgba(0,0,0,0.2);
      list-style-type: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      z-index: 10;
    }
    .logo-container {
      height: 100px;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #ffd966;
      font-size: 18pt;
    }
    .vertical-nav li {
      margin: 0;
      padding: 0;
    }
    .vertical-nav a {
      display: block;
      color: #ffd966;
      padding: 18px 24px;
      text-decoration: none;
      font-size: 18pt;
      border-bottom: 1px solid #eee;
      transition: background 0.3s, color 0.3s, transform 0.3s, filter 0.3s, opacity 0.3s;
    font-family: Arial;
    }
    .vertical-nav:hover li:not(:hover) a {
      filter: blur(2px);
      opacity: 0.3;
      pointer-events: none;
    }
    .vertical-nav a:hover {
      filter: blur(0);
      opacity: 1;
      background: #ffd966;
      color: #073767;
      transform: scale(1.1);
      z-index: 1;
      pointer-events: auto;
      position: relative;
    }
    .footer {
      position: fixed;
      left: 0;
      bottom: 0;
      width: 13.4%;
      background: black;
      color: white;
      text-align: left;
      padding: 12px;
      font-size: 14.4px;
      z-index: 10;
    font-family: italic;
    }
    .image-section {
      margin-left: 15%;
      height: 100vh;
      width: 85%;
      position: relative;
      background-image: url('Indroduction.1.jpg');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
       transition: background-image 1s ease-in-out;
    }
    .image-title {
      color: white;
      font-size: 60pt;
      font-family: 'Faster One', cursive;
      text-shadow: 2px 2px 8px #000, 0 0 20px #000;
      z-index: 2;
      text-align: center;
      width: 100%;
      user-select: none;
    }
    .text-section {
      margin-left: 15%;
      width: 85%;
      background: #fff;
      color: #222;
      padding: 40px 30px 30px 30px;
      box-sizing: border-box;
      font-size: 1.1em; /* Slightly Larger */
      line-height: 1.8; /* More Spacing */
    }
    .text-section h2 {
         font-size: 24pt;
        color: #073767;
        font-family: Verdana, Geneva, sans-serif;
        font-weight: bold;
    }
      
    .text-section p {
         font-size: 18pt;
        color: #073767;
        font-family: Arial;
      }