One page scroll navigation with css transforms

index.html

<div class="wrapper active-page1">
  <div class="page page1">
    <h2>First page</h2>
  </div>
  <div class="page page2">
    <h2>Second page</h2>
  </div>
  <div class="page page3">
    <h2>Third page</h2>
  </div>
  <div class="page page4">
    <h2>Fourth page</h2>
    <p class="check-out">Check out my other <a href="http://codepen.io/suez/public/" target="_blank">pens</a></p>
  </div>
</div>
<div class="nav-panel">
  <div class="scroll-btn up"></div>
  <div class="scroll-btn down"></div>
  <nav>
    <ul>
      <li data-target="1" class="nav-btn nav-page1 active"></li>
      <li data-target="2" class="nav-btn nav-page2"></li>
      <li data-target="3" class="nav-btn nav-page3"></li>
      <li data-target="4" class="nav-btn nav-page4"></li>
    </ul>
  </nav>
</div>

One page scroll navigation with css transforms.markdown

One page scroll navigation with css transforms

Just playing around

A Pen by Nikolay Talanov on CodePen.

License.

script.js

'use strict';
$(document).ready(function() {
  var $wrap = $(".wrapper"),
      pages = $(".page").length,
      scrolling = false,
      currentPage = 1,
      $navPanel = $(".nav-panel"),
      $scrollBtn = $(".scroll-btn"),
      $navBtn = $(".nav-btn");

  /*****************************
  ***** NAVIGATE FUNCTIONS *****
  *****************************/
  function manageClasses() {
    $wrap.removeClass(function (index, css) {
      return (css.match (/(^|\s)active-page\S+/g) || []).join(' ');
    });
    $wrap.addClass("active-page" + currentPage);
    $navBtn.removeClass("active");
    $(".nav-btn.nav-page" + currentPage).addClass("active");
    $navPanel.addClass("invisible");
    scrolling = true;
    setTimeout(function() {
      $navPanel.removeClass("invisible");
      scrolling = false;
    }, 1000);
  }
  function navigateUp() {
    if (currentPage > 1) {
      currentPage--;
      if (Modernizr.csstransforms) {
        manageClasses();
      } else {
        $wrap.animate({"top": "-" + ( (currentPage - 1) * 100) + "%"}, 1000);
      }
    }
  }

  function navigateDown() {
    if (currentPage < pages) {
      currentPage++;
      if (Modernizr.csstransforms) {
        manageClasses();
      } else {
        $wrap.animate({"top": "-" + ( (currentPage - 1) * 100) + "%"}, 1000);
      }
    }
  }

  /*********************
  ***** MOUSEWHEEL *****
  *********************/
  $(document).on("mousewheel DOMMouseScroll", function(e) {
    if (!scrolling) {
      if (e.originalEvent.wheelDelta > 0 || e.originalEvent.detail < 0) {
        navigateUp();
      } else { 
        navigateDown();
      }
    }
  });

  /**************************
  ***** RIGHT NAVIGATION ****
  **************************/

  /* NAV UP/DOWN BTN PAGE NAVIGATION */
  $(document).on("click", ".scroll-btn", function() {
    if ($(this).hasClass("up")) {
      navigateUp();
    } else {
      navigateDown();
    }
  });

  /* NAV CIRCLE DIRECT PAGE BTN */
  $(document).on("click", ".nav-btn:not(.active)", function() {
    if (!scrolling) {
      var target = $(this).attr("data-target");
      if (Modernizr.csstransforms) {
        $wrap.removeClass(function (index, css) {
          return (css.match (/(^|\s)active-page\S+/g) || []).join(' ');
        });
        $wrap.addClass("active-page" + target);
        $navBtn.removeClass("active");
        $(this).addClass("active");
        $navPanel.addClass("invisible");
        currentPage = target;
        scrolling = true;
        setTimeout(function() {
          $navPanel.removeClass("invisible");
          scrolling = false; 
        }, 1000);
      } else {
        $wrap.animate({"top": "-" + ( (target - 1) * 100) + "%"}, 1000);
      }
    }
  });

});

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

style.css

@import "bourbon";

$lgtBlue: #43bed6;
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.inner {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
}
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
body {
  @media (max-width: 767px) {
    & {
      font-size: 70%;
    }
  }
}
.wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: transform 1.5s;
  perspective: 3000;
  transform-style: preserve-3d;
  
  .page {
    position: relative;
    width: 100%;
    height: 100%;
    transform: rotateX(180deg) scale(0.3);
    backface-visibility: hidden;
    transition: transform 1s ease-in-out;
    will-change: transform;
    
    h2 {
      color: #fff;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translateX(-50%) translateY(-50%);
      text-transform: uppercase;
      font-size: 3em;
    }
    
    &.page1 {
      @include linear-gradient(10deg, #66a6b8 20%, #5471B9 80%);
    }
    
    &.page2 {
      @include linear-gradient(45deg, #f29c54 0%, #DB4367 100%);
    }
    
    &.page3 {
      @include linear-gradient(135deg, #23af56 0%, #67A79A 100%);
    }
    
    &.page4 {
      @include linear-gradient(160deg, #412F2F 15%, #6B2686 85%);
    }
  }
  
  @for $i from 1 through 10 {
    &.active-page#{$i} {
      transform: translateY(-($i - 1)*100%);
      
      .page.page#{$i} {
        transform: scale(1);
      }
    }
  }

}

.nav-panel {
  position: fixed;
  top: 50%;
  right: 2%;
  transform: translateY(-50%);
  z-index: 1000;
  transition: opacity 0.5s, transform 0.5s cubic-bezier(0.57, 1.2, 0.68, 2.6);
  will-change: transform, opacity;

  &.invisible {
    opacity: 0;
    transform: translateY(-50%) scale(0.5);
  }

  ul {
    list-style-type: none;

    .nav-btn {
      position: relative;
      overflow: hidden;
      width: 1em;
      height: 1em;
      margin-bottom: 0.5em;
      border: 0.12em solid #fff;
      border-radius: 50%;
      cursor: pointer;
      transition: border-color, transform 0.3s;
      will-change: border-color, transform;

      &:after {
        @extend .inner;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        transform: translateX(-50%) translateY(-50%) scale(0.3);
        background-color: #fff;
        opacity: 0;
        transition: transform, opacity 0.3s;
        will-change: transform, opacity;
      }

      &.active:after, &:hover:after {
        transform: translateX(-50%) translateY(-50%) scale(0.7);
        opacity: 1;
      }
      &:hover {
        border-color: yellow;
        transform: scale(1.2);
      }
      &:hover:after {
        background-color: yellow;
      }
    }
  }

  .scroll-btn {
    position: absolute;
    left: 0;
    width: 1em;
    height: 1em;
    border: 0.2em solid #fff;
    border-left: none;
    border-bottom: none;
    cursor: pointer;
    transform-origin: 50% 50%;
    transition: border-color 0.3s;

    &.up {
      top: -1.6em;
      transform: rotate(-45deg);
    }
    &.down {
      bottom: -1.2em;
      transform: rotate(135deg);
    }

    &:hover {
      border-color: yellow;
    }
  }

}

.check-out {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: #fff;
  
  a {
    color: rgba(255,170,170,1);
    text-decoration: none;
    padding-bottom: 0.3rem;
    border-bottom: 0.2rem solid;
  }
}