/* General page and container styles */
    body, html {
      margin: 0;
      overflow: hidden; /* Prevent the default scrollbars */
      font-family: sans-serif;
    }
    
    
    .centre {
      margin: auto;
      width: 50%;
      border: 3px solid orange;
      padding: 10px;
    }
    
    .half {
      width: 49.99999%;
    }
    
    .contentPadding70{
      padding:70px;
    }
    
    #homeHeroRIGHT{
      float: right;
    }
     
    #homeHeroLEFT{
      float: left;
    }
     
     

    /* Main scroll container - horizontally scrollable with snap behavior */
    .horizontal-scroll-container {
      display: flex;
      flex-direction: row;
      overflow-x: scroll;
      scroll-snap-type: x mandatory;
      width: 100vw;
      height: 100vh;
      scroll-behavior: smooth;
    }

    /* Each section acts as a full-screen panel */
    .panel {
      flex: 0 0 100vw;         /* Each panel takes up full viewport width */
      height: 100vh;           /* Full height */
      scroll-snap-align: start;/* Snaps into place when scrolling */
      overflow-y: auto;        /* Allows vertical scrolling within each section */
      box-sizing: border-box;
      padding-top: 3rem; /* adjusted size from 2rem to give space for the nav*/
      padding-left: 0rem; /* adjusted size from 2rem so that there is no gap on the left to the image*/
      background: #f0f0f0;
      border-right: 1px solid #ccc;
    }
    
    /* --- Section 1 --- */
    
    .box-border {
      border: 3px solid orange;
      padding: 5px;
    }

    .img2 {
      float: right;
    }

    .clearfix::after {
      content: "";
      clear: both;
      display: table;
    }
    
    /*-- Section 1 --- */
    
    /* ----- section 3 only start---->
    /*container for image and overlay*/
    #section3 .s3-banner {
      position:relative;
      width:100vw;
    }
    /*the image itself (keeps aspect ratio)*/
    #section3 .s3-image{
      width: 100%;
      height: auto;
      display: block;
    }
    /* overlay content centered over the image*/
    #section3 .s3-overlay{
      position: absolute; /*sits on top of the image only */
      top:50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      text-align: center;
      padding: 1rem 2rem;
      background: rgba(0, 0, 0, 0.4); /* semi-transparent background for readability */
      border-radius: 8px;
    }
    
    /* Optional: Overlay to darken background for text readability */
    .hero {
      width: 100vw; /* full width of viewport, height adjusts based on width */
      height: 35vw; /*maintain aspect ratio*/
      display: block; /*removes unwanted spacing under the image */
      background-color: rgba(254, 153, 0, 1); /* AKA "orange" AKA "#FE9900" *//* For browsers that do not support gradients */
      background-image: linear-gradient(orange, #FF7701);
      z-index: 1;
    }
    /* ----- section 2 gallery ----*/
    
    label:hover {
      color: white;
    }
  
    img{
      border-radius:0px;
    }
    
    /* ----- section 3 only end----*/
    .section-text{
      margin-top: 2rem;
      padding-bottom: 2rem;
    }
    /*responsive image banner background*/
    .image-banner{
      width: 100%;
      padding-top: 40%; /*adjust this to control the aspect ratio (eg 40%=2.5:1) (eg 56.25%=16:9*/
      background-image:url('https://www.coventry.ac.uk/globalassets/media/global/00-course-images-2223/eec/signposts/frank-whittle-building-767-460.jpg');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat; 
    }
    
    /*image elements as wide as viewport (100vw), maintains its aspect ration and appears at top of section. after image ends, scrolling continues with rest of section's content*/
    .section-image {
      width: 100vw; /* full width of viewport, height adjusts based on width */
      height: auto; /*maintain aspect ratio*/
      display: block; /*removes unwanted spacing under the image */
    }
    /* Inner content that’s taller to allow vertical scroll inside a section */
    .inner-scroll {
      min-height: 150vh;
    }

    /* Navigation buttons container */
    .nav-buttons {
      position: fixed;
      top: 50%;
      left: 10px;
      right: 10px;
      display: flex;
      justify-content: space-between;
      z-index: 10;
      pointer-events: none; /* Prevent clicks unless specifically enabled */
    }

    /* Navigation buttons */
    .nav-buttons button {
      pointer-events: auto; /* Re-enable click events for buttons */
      padding: 1rem;
      font-size: 1.5rem;
      background: rgba(255, 255, 255, 0.8);
      border: none;
      cursor: pointer;
      border-radius: 50%;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    }

    /* Dot indicators container */
    .dot-indicators {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 10px;
      z-index: 10;
    }

    /* Individual dot style */
    .dot-indicators .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #ccc;
      cursor: pointer;
    }

    /* Active dot */
    .dot-indicators .dot.active {
      background: #333;
    }
    
    /*Website title header*/
    .site-header{
      position: fixed;
      top: 0;
      width: 100%;
      background: white;
      z-index: 30;
      text-align: center;
      padding: 0.5rem 0;
      padding-top:0.8rem; 
      box-shadow: none; /*0 1px 4px rgba(0,0,0,0.1); (border-bottom: 1px solid #ccc)*/
    }
    .site-header h1{
      margin:0;
      font-size:1.8rem;
      color: #FE9900; /*orange*/
    }
    
    /*Top Navigation Bar*/
    nav{
      position: fixed;
      top: 2rem; /* changed from "0" when added header to move the nav bar down slightly so they dont overlap*/
      left: 0;
      width: 100%;
      height:1.5rem;
      background: rgba(255, 255, 255, 0.9);
      display: flex;
      justify-content: center;
      gap: 2rem;
      padding: 1rem 0;
      padding-bottom: 0.5rem;
      z-index: 20;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    nav a {
      text-decoration: none;
      color: #333;
      font-weight: bold;
      padding: 0.5rem 1rem;
      border-radius: 5px;
      transition: background 0.3s;
    }
    nav a:hover{
      background:#ddd;
    }