<script>document.body.className='hidden';</script>

<div class="cursor">
  <div class="cursor-contents">
    <div class="circle"></div>
    <div class="pointer"></div>
  </div>
</div>

<div class="page-head" role="banner">
  <div class="site-logo">
    M
  </div>
  <div class="contrast">
    <a href="#" class="contrast__link">
      <span class="contrast__switch"></span>
      <span class="contrast__label">Contrast</span> 
    </a>
  </div>
</div>

<div class="grid" role="main">

  <div class="grid__item">

    <h1 class="brand-name">Name of Page</h1>
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>

  </div>

  <div class="grid__item gallery">

    <div class="swiper">
      <div class="swiper-wrapper">
        <div class="swiper-slide" data-caption="Caption #1">
          <img src="https://www.fillmurray.com/700/1000" />
        </div>
        <div class="swiper-slide" data-caption="Caption #2">
          <img src="https://www.fillmurray.com/700/1100" />
        </div>
        <div class="swiper-slide" data-caption="Caption #3">
          <img src="https://www.fillmurray.com/700/1200" />
        </div>
      </div>
      <a class="swiper-button-prev" data-interaction="cursor-prev"></a>
      <a class="swiper-button-next" data-interaction="cursor-next"></a>
    </div>

  </div>

  <div class="page-foot" role="contentinfo">
    <p class="swiper-caption">Caption Goes Here</p>
    <p class="swiper-pagination"></p>
  </div>

</div>
/* #GLOBAL */

html {
	background: white;
	font-size: 62.5%;
	height: var(--app-height, 100vh);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	-webkit-overflow-scrolling: touch;
	-webkit-tap-highlight-color: transparent;
	-webkit-text-size-adjust: 100%;
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  background-color: transparent;
	font-variant-ligatures: common-ligatures discretionary-ligatures historical-ligatures;
  font-size: 16px;
	height: var(--app-height, 100vh);
	margin: 0;
	padding: 0;
	text-rendering: optimizeLegibility;
  
  &.hidden {
    opacity: 0;
  }
  
  &.visible {
    opacity: 1;
    cursor: none;
    transition: opacity 0.48s ease-out;
  }
}

h1,
p {
  margin: 0 0 24px;
  padding: 0;
}

/* #HEAD (left column) */

.page-head {
  border-bottom: 2px solid black;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 24px;
  position: fixed;
  bottom: -64px;
  left: 0;
  transform: rotate(-90deg);
  transform-origin: top left;
  width: 100vh;
}

.site-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  order: 1;
  stroke: black;
  transform: rotate(90deg);
  width: 32px;

  svg {
    overflow: visible;
  }
}

.contrast {
  display: flex;
  align-items: center;
  flex: 1 1 0%;
  margin-bottom: 0;
  justify-content: flex-start;
}

/* #GRID */

.grid {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.grid__item {
  box-sizing: border-box;
  padding: 24px 24px 0;
  margin-left: 64px;
}

.gallery {
  box-sizing: border-box;
  flex: 1;
  overflow: hidden;
  position: relative;
  padding: 0 24px 24px;
  text-align: center;
}

.gallery img {
  border: 2px solid black;
  box-sizing: border-box;
  height: 100%;
  max-height: 100%;
  object-fit: cover;
  object-position: top center;
  width: 100%;
  max-width: 100%;
}

/**
 * Side-by-side view for wider devices.
 */

.grid {
	display: flex;
	flex-direction: column;
	height: 100vh;
	height: var(--app-height);
}

/**
 * Grid Cells.
 */

.grid__item {
	box-sizing: border-box;
	padding: 48px 48px 0;
	margin-left: 48px;
	
	@media only screen and (min-width: 1000px) {
		margin-left: 0;
	}
}

.gallery {
	box-sizing: border-box;
	flex: 1;
	overflow: hidden;
	position: relative;
	padding: 0 24px 24px;
	text-align: center;
}


.gallery img {
	border: 2px solid black;
	box-sizing: border-box;
	height: 100%;
	max-height: 100%;
	object-fit: cover;
	object-position: top center;
	width: 100%;
	max-width: 100%;
	
	@media only screen and (min-width: 1000px) {
		width: auto;
	}
}

/**
 * Side-by-side view for wider devices.
 */
	
@media only screen and (min-width: 1000px) {

	.grid {
	  background-color: black;
	  flex-direction: row;
	  column-gap: 2px;
	  height: 100vh;
	  margin: 0 48px;
	}
	
	.grid__item {
	  background-color: white;
	  transition: width .12s;
	  width: 33.333333%;
	  height: 100vh;
	}
	
	.gallery {
		padding-top: 24px;
	}
	
	.gallery img {
		height: 100%; // Was Auto to keep aspect-ratio
		max-height: 100%;
		//object-fit: initial;
		width: auto;
		max-width: 100%;
	}
}

@media only screen and (min-width: 1000px) {
	
	.grid__item {
	  width: 50%;
	}
}

@media screen and (max-height: 600px) {

	.grid {
		height: auto;
	}
	
	.grid__item {
		height: auto;
	} 
		  
}

/* #FOOTER (right column) */

.page-foot {
  margin-left: 64px;
  padding: 0 24px;
}

.swiper-pagination {
  display: none;
}

@media only screen and (min-width: 1000px) {
  
  .page-foot {
    border-bottom: 2px solid black;
    box-sizing: border-box;
    display: flex;
    height: 64px;
    padding: 0 24px;
    position: fixed;
    bottom: -64px;
    left: 0;
    transform: rotate(-90deg);
    transform-origin: top left;
    width: 100vh;
    left: auto;
    right: 0;
    transform: rotate(90deg);
    transform-origin: top right;

    p {
      display: flex;
      align-items: center;
      margin-bottom: 0;
    }
  }

  .swiper-caption {
    flex: 1 1 0%;
  }
}

/* SWIPER */

.swiper {
	height: 100%; // Fits image in viewport
	position: relative;
	//overflow: hidden; // Removed which seems to help border getting cut off
	touch-action: pan-y;
	z-index: 1; // Fix of Webkit flickering
	-webkit-user-select: none; // Fixes issue in Safari when clicking carousel quickly, page is highlighted black.
}

.swiper-wrapper {
	box-sizing: border-box;
	display: flex;
	height: 100%;
	position: relative;
	width: 100%;
	z-index: 1;
}

.swiper-slide {
	backface-visibility: hidden;
	flex-shrink: 0;
	height: 100%;
	max-height: 100%; // Added myself
	pointer-events: none;
	position: relative;
	transform: translateZ(0);
	transition: opacity 12ms ease-out !important;
	width: 100%;
}

.swiper-slide-active {
  pointer-events: auto;
}

.swiper-button-prev,
.swiper-button-next {
	background: none;
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
	position: absolute;
	top: 0;
	width: 50%;
	z-index: 10;
	
	&:focus {
		outline: 0;
	}
}

.swiper-button-prev {
  left: 0;
}

.swiper-button-next {
  right: 0;
}

.swiper-pagination-current {
	margin-right: 4px;
}

.swiper-pagination-total {
	margin-left: 2px;
}

/* cursor */
.cursor {
  position: fixed;
  width: 100px; // was 35px
  height: 100px; // ditto
  padding: 30px; // padding added
  z-index: 1000;
  transition: transform .1s linear;
  pointer-events: none;
  backface-visibility: hidden;
  
  .cursor-contents {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    
    .circle{
      width: 100%;
      height: 100%;
      border: 3px solid black;
      border-radius: 50%;
      transition:
        width .2s linear,
        height .2s linear;
    }

    .pointer {
      position: absolute;
      width: 7px;
      height: 7px;
      background-color: black;
      border-radius: 50%;
    }
  }
  
  &.a-hover .circle {
    width: 0;
    height: 0;
  }
  
  &.cursor-prev,
  &.cursor-next {
    
    .circle {
      display: none;
    }
    
    .pointer {
      width: 30%;
      height: 30%;
      background-color: transparent;
      border: solid black;
      border-radius: 0;
      border-width: 0 6px 6px 0;
    }
  }
  
  &.cursor-prev .pointer {
    transform: rotate(135deg);
  }
  
  &.cursor-next .pointer {
    transform: rotate(-45deg);
  }
}
View Compiled
window.addEventListener("DOMContentLoaded", function(event) {
  
  document.body.className = 'visible';
  
  const caption = document.querySelector(".swiper-caption");

  const updateCaptionText = function (slider) {
    caption.textContent = slider.slides[slider.activeIndex].dataset.caption;
  }

  const swiper = new Swiper(".swiper", {
    // Disable preloading of all images
    preloadImages: false,
    // Enable lazy loading
    lazy: true,
    effect: "fade",
    fadeEffect: {
      crossFade: true
    },
    loop: true,
    autoplay: {
      delay: 1200,
      disableOnInteraction: false,
      pauseOnMouseEnter: true
    },
    navigation: {
      nextEl: ".swiper-button-next",
      prevEl: ".swiper-button-prev"
    },
    pagination: {
      el: ".swiper-pagination",
      type: "fraction"
    },
    on: {
      init: function () {
        updateCaptionText(this);
      },
      activeIndexChange: function () {
        updateCaptionText(this);
      }
    }
  });
  
  const moveCursor = function (event) {
    const mouseY = event.clientY - 50;
    const mouseX = event.clientX - 50;

    requestAnimationFrame(function(event) {
      cursor.style.transform = `translate(${mouseX}px, ${mouseY}px)`;
    })
  }

  const hoverHandler = function (event) {
    const entered = event.type === 'mouseenter';
    const className = event.target.dataset.interaction || 'a-hover'

    cursor.classList.toggle(className, entered)
  }
  

  const cursor = document.querySelector('.cursor');
  const links = document.querySelectorAll('a');

  document.body.addEventListener('mousemove', _.throttle(moveCursor, 50))
  
  links.forEach(function(link) {
    link.addEventListener('mouseenter', hoverHandler)
    link.addEventListener('mouseleave', hoverHandler)
  })
})

Run Pen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/Swiper/8.2.2/swiper-bundle.min.js
  2. https://cdn.jsdelivr.net/npm/@mig8447/lodash-debounce-throttle@4.17.5/dist/lodash-debounce-throttle.min.js