<section class="Interstitial-wrapper">
  <div class="Canvas">

    <header class="Canvas-header">
      <figure class="Canvas-header-logo"></figure>
      <div class="Canvas-header-menu"></div>
    </header>

    <main class="Canvas-slides">
      <div class="swiper-container">
        <div class="swiper-wrapper">

          <div class="Car Car--niva swiper-slide">
            <h1 class="Car-name" data-swiper-parallax="-100">Niva<small>&nbsp;4x4</small></h1>
            <p class="Car-moto" data-swiper-parallax="-150">Always broken, but</p>
            <p class="Car-moto" data-swiper-parallax="-200">never broken down.</p>
            <a class="Car-link" data-swiper-parallax="-250" href="https://en.wikipedia.org/wiki/LADA_4x4" target="_blank">Read more &rarr;</a>
            <figure class="Car-image" data-swiper-parallax="-400"></figure>
            <div class="Car-decor one" data-swiper-parallax="-700"></div>
            <div class="Car-decor two" data-swiper-parallax="-600"></div>
            <div class="Car-decor three" data-swiper-parallax="-500"></div>
          </div>

          <div class="Car Car--riva swiper-slide">
            <h1 class="Car-name" data-swiper-parallax="-100">Riva<small>&nbsp;(VAZ 2105)</small></h1>
            <p class="Car-moto" data-swiper-parallax="-150">You’d expect a luxury car</p>
            <p class="Car-moto" data-swiper-parallax="-200">to have all these features.</p>
            <a class="Car-link" data-swiper-parallax="-250" href="https://en.wikipedia.org/wiki/Lada_Riva" target="_blank">Read more &rarr;</a>
            <figure class="Car-image" data-swiper-parallax="-400"></figure>
            <div class="Car-decor one" data-swiper-parallax="-700"></div>
            <div class="Car-decor two" data-swiper-parallax="-600"></div>
            <div class="Car-decor three" data-swiper-parallax="-500"></div>
          </div>

        </div>

        <div class="swiper-pagination"></div>
      </div>
    </main>

  </div>
</section>
// ================
// VARIABLES
// ================
$theme1:     #E74824; // "Pomegranate"
$theme2:     #6D889F; // "Bermuda Grey"

$black:      #000000;
$white:      #FFFFFF;
$grey:       #EFF0F2;
$border:     #E9ECEF;
$text-dark:  #212529;
$text-light: #495057;

$canvas-w: 646px;
$canvas-h: 456px;
$spacing:  20px;

$logo: "https://image.ibb.co/bMgqOv/lada_logo_2x.png";
$niva: "https://preview.ibb.co/cnSrVa/niva_clearcut_2x.png";
$riva: "https://image.ibb.co/cgiLOv/riva_clearcut.png";


// ================
// CODEPEN CONTEXT ONLY
// ================
html, body { height: 100%; }

body {
  color: $text-dark;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: $theme1;
  font-family: "Source Sans Pro", sans-serif;
  transition: background-color .5s ease-in-out;
  -webkit-font-smoothing: antialiased;
}

.Interstitial-wrapper {
  box-sizing: border-box;
  width: ($canvas-w + ($spacing*2));
  padding: $spacing;
  margin: 0 auto;
}


// ================
// BEGIN EXPERIMENT
// ================
.Canvas {
  position: relative;
  background-color: $white;
  width: 100%;
  border-radius: 5px;
  overflow: hidden;
  height: 456px;
  box-shadow: 
    0 10px 20px transparentize($black, 0.81), 
    0 6px 6px transparentize($black, 0.77);
}

.Canvas-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: $spacing - 5px;
  box-sizing: border-box;
  z-index: 20;
}

.Canvas-header-logo {
  width: 62px;
  height: 22px;
  background: transparent url($logo) 0 0 no-repeat;
  background-size: 62px 22px;
}

.Canvas-slides {
  width: 100%;
  height: 100%;
}

.swiper-wrapper {
  transition-timing-function: cubic-bezier(0.190, 1.000, 0.220, 1.000); // easeOutExpo
}

.swiper-container {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
}

.Car {
  padding-top: $spacing*3;
  padding-left: $spacing*2;
  padding-right: $spacing*2;
  box-sizing: border-box;
}

.Car-name,
.Car-moto,
.Car-link {
  position: relative;
  z-index: 3;
  user-select: none;
}

.Car-name {
  font-size: 64px;
  font-weight: 900;
  line-height: 69px;
  height: $spacing*4;
  font-style: italic;
  text-transform: uppercase;
  
  small { font-size: 34px; }
}

.Car-moto {
  font-size: 16px;
  line-height: $spacing;
  font-weight: 600;
  
  & + .Car-moto {
    margin-left: 30px;
    margin-bottom: 8px;
  }
}

.Car-link {
  display: inline-block;
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
  margin-left: $spacing*3;
}

.Car-decor {
  top: 0;
  position: absolute;
  z-index: 1;
}

.Car-image {
  position: absolute;
  top: $spacing*6;
  right: 5px;
  z-index: 2;
}

// ================
// MODIFIER: NIVA
// ================
.Car--niva {
  .Car-link { color: $theme1; }
  
  .Car-image {
    width: 512px;
    height: 266px;
    background: transparent url($niva) 0 0 no-repeat;
    background-size: 512px 266px;
  }
  
  .Car-decor {
    width: $spacing*3;
    height: 100%;
    
    &::before {
      width: $spacing*3;
      height: 100%;
      display: block;
      content: '';
      background: $theme1;
      transform: skewX(30deg);
    }
    
    &.one   { right: 40px; }
    &.two   { right: 130px; }
    &.three { right: 220px; }
  }
}

// ================
// MODIFIER: RIVA
// ================
.Car--riva {
  .Car-link { color: $theme2; }
  
  .Car-image {
    width: 499px;
    height: 233px;
    top: $spacing*7;
    background: transparent url($riva) 0 0 no-repeat;
    background-size: 499px 233px;
  }
  
  .Car-decor {
    &::before {
      display: block;
      content: '';
      width: 190px;
      height: 190px;
      background: radial-gradient(circle at 111% -6%, #597389, #8babcd);
      transform: rotate(45deg);
    }
    
    &.one {
      width: 165px;
      height: 165px;
      top: 60px;
      right: 200px;
    }
    &.two {
      width: 162px;
      height: 162px;
      top: 200px;
      right: 80px;
    }
    &.three {
      width: 190px;
      height: 190px;
      top: 24px;
      right: 24px;
    }
  }
}


// ================
// CUSTOMISE SWIPER CONTROLS
// ================
.swiper-container-horizontal > .swiper-pagination {
  bottom: 24px;
  background: $grey;
  border-radius: 3px;
  width: auto;
  left: 50%;
  overflow: hidden;
  box-shadow: 0 2px 6px 0 transparentize($black, 0.93);
  border: solid 1px $border;
  transform: translateX(-50%);

  // === Bullet
  .swiper-pagination-bullet {
    background: none;
    width: auto;
    height: auto;
    opacity: 1;
    margin: 0;

    // === Fake Buttons
    &::before {
      display: block;
      font-size: 16px;
      line-height: 1;
      font-weight: 700;
      padding: 10px 30px;
      color: $text-light;
      cursor: pointer;
    }
    
    // === Fake Button Content
    &:nth-child(1)::before { content: 'NIVA'; }
    &:nth-child(2)::before { content: 'RIVA'; }

    // === Active Bullet
    &.swiper-pagination-bullet-active::before { background: $white; }
  }
}
View Compiled
$(document).ready(function () {
    //initialize swiper when document ready  
    var mySwiper = new Swiper ('.swiper-container', {
      autoplay: 1600,
      loop: true,
      parallax: true,
      pagination: '.swiper-pagination',
      paginationClickable: true,
      grabCursor: true,
      speed: 900,
      
      onTransitionStart(mySwiper) {
        if ($(".swiper-slide-active").hasClass("Car--riva")) {
          $("body").css("background-color", "#6D889F");
        } else {
          $("body").css("background-color", "#E74824");
        }
      }
    }); 
  });

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.4.2/css/swiper.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.4.2/js/swiper.jquery.min.js