CodePen Embed - Creative Menu Hover Effect

<!-- #Cursor -->
<div class="cursor"></div>
<div id="cursor">
  <div class="cursor-circle"></div>
</div>

<!-- Menu Images -->
<!-- Image 1 -->
<div id="m-img-1" class="menu-image-wrapper">
  <img class="menu-image" src="https://i.imgur.com/UvhprL6.jpg" alt="">
  <img class="menu-image-back" src="https://i.imgur.com/UvhprL6.jpg" alt="">
</div>
<!-- Image 2 -->
<div id="m-img-2" class="menu-image-wrapper">
  <img class="menu-image" src="https://i.imgur.com/DBUqTeA.jpg" alt="">
  <img class="menu-image-back" src="https://i.imgur.com/DBUqTeA.jpg" alt="">
</div>
<!-- Image 4 -->
<div id="m-img-3" class="menu-image-wrapper">
  <img class="menu-image" src="https://i.imgur.com/hnFzX7G.jpg" alt="">
  <img class="menu-image-back" sr="https://i.imgur.com/hnFzX7G.jpg" alt="">
</div>
<!-- Image 4 -->
<div id="m-img-4" class="menu-image-wrapper">
  <img class="menu-image" src="https://i.imgur.com/33Blll8.jpg" alt="">
  <img class="menu-image-back" src="https://i.imgur.com/33Blll8.jpg" alt="">
</div>

<!-- #Navbar -->
<nav id="navbar" class="flexbox">
  <div class="navbar-inner">
    <div class="navbar-left flexbox-left">
      <div id="nav-button" cursor-class="arrow">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
      </div>
    </div>
    <div class="navbar-center">
            
    </div>
    <div class="navbar-right flexbox-right">
      <p>NO</p>
    </div>
  </div>
</nav>

<!-- #Menu -->
<div class="menu-wrapper flexbox">

  <!-- Menu Right -->
  <ul class="menu flexbox-col-left-start">
    <li id="m-item-w-1" class="menu-item flexbox">
      <h1 id="m-item-1" class="menu-item-inner" cursor-class="arrow">Home</h1>
    </li>
    <li id="m-item-w-2" class="menu-item flexbox">
      <h1 id="m-item-2" class="menu-item-inner" cursor-class="arrow">Projects</h1>
    </li>
    <li id="m-item-w-3" class="menu-item flexbox">
      <h1 id="m-item-3" class="menu-item-inner" cursor-class="arrow">Tasks</h1>
    </li>
    <li id="m-item-w-4" class="menu-item flexbox">
      <h1 id="m-item-4" class="menu-item-inner" cursor-class="arrow">Profile</h1>
    </li>
  </ul>

  <div class="menu-background"></div>

</div>

<!-- #Header -->
<header id="header" class="flexbox">

  <!-- Header Inner -->
  <div class="header-wrapper flexbox">
    <h1 class="header-title">OeMn</h1>
    <h1 class="header-title">pneu</h1>
    <div class="header-overlay"></div>
    <img class="header-image" src="https://alien.haldenvgs.net/images/header.gif" alt="">
  </div>

  <!-- Header Blur -->
  <img class="header-image-blur" src="https://alien.haldenvgs.net/images/header.gif" alt="">

</header>

<!-- #Main -->
<main class="flexbox-col">

</main>

/* -
-*-~*~-*-*-~*~-*-*-~*~* |
●▬▬▬▬▬▬▬๑۩۩๑▬▬▬▬▬▬▬●
Made by ~
Areal Alien ❥ 雷克斯
●▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬●
──────▄▀▄─────▄▀▄
─────▄█░░▀▀▀▀▀░░█▄
─▄▄──█░░░░░░░░░░░█──▄▄
█▄▄█─█░░▀░░┬░░▀░░█─█▄▄█
-*-~*~-*-*-~*~-*-*-~*~* |
- */
:root {
  --bc: #fcffff;
  --bc-dark: rgba(8, 8, 10, 1);
  --primary: rgb(232, 62, 97);
  --white: #ffffff;
  --black: #000000;
  /* Sizes */
  --heading: 3.4rem;
  --heading-large: 7.5rem;
  --heading-medium: 2rem;
  --paragraph: 1.1rem;
  /* Fonts */
  --font-main: "Poppins";
  --font-title: 'Bodoni Moda', serif;
}
* {
  user-select: none;
  box-sizing: border-box;
  cursor: none;
}
html, body {
  margin: 0;
  width: 100%;
  color: var(--black);
  background-color: var(--bc-dark);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
main {
  height: 100vh;
}
h1 {
  margin: 0;
  font-size: var(--heading);
}
/* Classes */
/* Global classes */
.flexbox {
  display: flex;
  justify-content: center;
  align-items: center;
}
.flexbox-left {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.flexbox-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.flexbox-col {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}
.flexbox-col-left {
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: flex-start;
}
.flexbox-col-right {
  display: flex;
  justify-content: flex-end;
  flex-direction: column;
  align-items: flex-end;
}
.flexbox-left-start {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}
.flexbox-right-start {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}
.flexbox-space {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.flexbox-col-left-start {
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: flex-start;
}
/* Navbar */
#navbar {
  top: 2em;
  width: 100%;
  height: 5em;
  position: absolute;
  z-index: 80;
}
.navbar-inner {
  width: calc(75% - 5em);
  height: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.navbar-left {
  height: 100%;
  position: relative;
}
.navbar-right p {
  font-weight: 200;
  color: var(--white);
}
/* Nav Button */
#nav-button {
  margin: 0;
  width: 2em;
  height: 1.5em;
  position: relative;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  -moz-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  -o-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  transition: .35s cubic-bezier(.175,.685,.32,1.175);
  z-index: 110;
}
#nav-button span {
  left: 0;
  width: 100%;
  height: 2px;
  display: block;
  position: absolute;
  background: var(--white);
  border-radius: 19px;
  opacity: 1;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  -moz-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  -o-transition: .35s cubic-bezier(.175,.685,.32,1.175);
  transition: .35s cubic-bezier(.175,.685,.32,1.175);
}
#nav-button span:nth-child(1) {
  top: 0;
  width: 100%;
}
#nav-button span:nth-child(2),#nav-button span:nth-child(3) {
  top: 0.75em;
  width: 35%;
}
#nav-button span:nth-child(4) {
  top: 1.5em;
  width: 65%;
}
#nav-button.open span:nth-child(1) {
  top: 2em;
  width: 0;
}
#nav-button.open span:nth-child(2) {
  width: 100%;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
}
#nav-button.open span:nth-child(3) {
  width: 100%;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
#nav-button.open span:nth-child(4) {
  top: 18px;
  width: 0;
  left: 50%;
}
/* Header */
#header {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
}
.header-wrapper {
  width: 50%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.header-title {
  color: var(--white);
  font-weight: 300;
  font-family: var(--font-title);
  letter-spacing: -.35em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: calc(var(--heading-large) - 3.2rem);
  z-index: 4;
}
.header-overlay {
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: rgba(0, 0, 0, .45);
  z-index: 3;
}
.header-image {
  min-width: 80%;
  min-height: 100%;
  position: absolute;
  object-fit: cover;
  z-index: 2;
}
.header-image-blur {
  top: 2em;
  min-width: 95%;
  height: 100%;
  position: absolute;
  transform: scale(.9, .9);
  filter: blur(3rem);
  opacity: .75;
  z-index: 1;
}
/* Menu */
.menu-wrapper {
  top: 0;
  width: 100%;
  height: 100vh;
  position: absolute;
  transition: opacity .25s ease-in-out;
  pointer-events: none;
  opacity: 0;
  z-index: 50;
}
.menu {
  top: calc(5em);
  width: calc(75% - 5em);
  height: calc(100vh - 5em);
  padding: 0;
  position: relative;
  list-style-type: none;
  overflow: scroll;
}
.menu-background {
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: var(--bc-dark);
  opacity: 1;
  z-index: 50;
}
.menu-item {
  margin: 2em 0;
  padding: 0;
  position: relative;
  z-index: 55;
}
.menu-item-inner {
  position: relative;
  display: inline-block;
  color: transparent;
  font-weight: 900;
  font-size: calc(var(--heading-large) - .75rem);
  letter-spacing: 0;
  line-height: 1em;
  -webkit-text-stroke: .1rem var(--white);
  transform: skew(0);
  transition: color .3s cubic-bezier(.175,.885,.32,1.275), letter-spacing .3s cubic-bezier(.175,.885,.32,1.275), transform .3s cubic-bezier(.175,.885,.32,1.275), all .3s cubic-bezier(.175,.885,.32,1.275), opacity .1s ease-in-out;
  z-index: 55;
}
.menu-item-inner:hover {
  color: var(--white);
  letter-spacing: .05em;
  transform: skew(-15deg);
  -webkit-text-stroke: .1rem transparent;
}
#m-item-1 {
  opacity: 1;
}
#m-item-2 {
  opacity: 1;
}
#m-item-3 {
  opacity: 1;
}
#m-item-4 {
  opacity: 1;
}
/* Menu Images */
.menu-image-wrapper {
  top: -14.25em;
  left: -20em;
  width: 40em;
  display: none;
  position: fixed;
  will-change: transform;
  pointer-events: none;
  z-index: 54;
}
.menu-image {
  width: 100%;
  position: absolute;
  z-index: 53;
}
.menu-image-back {
  left: 0;
  top: 2em;
  width: 100%;
  position: absolute;
  transform: scale(.9, .9);
  filter: blur(2rem);
  opacity: .75;
  z-index: 52;
}
#m-img-1 {
  opacity: 0;
  transition: opacity .25s ease-in-out;
}
#m-img-2 {
  opacity: 0;
  transition: opacity .25s ease-in-out;
}
#m-img-3 {
  opacity: 0;
  transition: opacity .25s ease-in-out;
}
#m-img-4 {
  opacity: 0;
  transition: opacity .25s ease-in-out;
}
/* Selection */
::selection {
  color: var(--white);
  background: var(--primary);
}
/* Scrollbar */
::-webkit-scrollbar-track {
  background-color: var(--bc-dark);
}
::-webkit-scrollbar {
  width: 8px;
  background-color: var(--bc-dark);
}
::-webkit-scrollbar-thumb {
  background-color: var(--primary);
}
/* Cursor */
#cursor {
  top: 0;
  left: 0;
  position: fixed;
  pointer-events: none;
  will-change: transform;
  mix-blend-mode: difference;
  transition: transform .05s linear;
  z-index: 99;
}
.cursor {
  top: -4px;
  left: -4px;
  width: 8px;
  height: 8px;
  position: fixed;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 1);
  transform: translate(-50%, -50%);
  will-change: transform;
  transition: opacity .15s ease-in-out;
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 99;
}
@media (hover: hover) and (pointer: fine) {
  .cursor-circle {
    width: 64px;
    height: 64px;
    margin-top: -50%;
    margin-left: -50%;
    border-radius: 50%;
    mix-blend-mode: difference;
    border: solid 1px rgba(255, 255, 255, 1);
    transition: opacity 0.3s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), width 0.3s cubic-bezier(0.25, 1, 0.5, 1), height 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  }
  #cursor.arrow .cursor-circle{
    width: 128px;
    height: 128px;
    background-color: var(--primary);
    border-color: var(--primary);
  }
  #cursor.arrow::after{
    content: '';
    position: absolute;
    left: -50%;
    top: -50%;
    width: 100%;
    height: 100%;
    background-image: url('https://alien.haldenvgs.net/images/cursor.svg');
    background-repeat: no-repeat;
    background-position: center;
  }
  #cursor.subtle .cursor-circle{
    opacity: 0.16;
  }
  #cursor.overlay .cursor-circle{
    width: 48px;
    height: 48px;
    background-color: rgba(227, 222, 193, 0.08);
    border-color: transparent;
  }
}
/* -
-*-~*~-*-*-~*~-*-*-~*~-* |
　　　　@media rules　　　　|
-*-~*~-*-*-~*~-*-*-~*~-* |
- */
@media only screen and (max-width: 1660px) {
  :root {
    /* Sizes */
    --heading: 3rem;
  }
}
@media only screen and (max-width: 1456px) {
  :root {
    /* Sizes */
    --heading: 2.8rem;
  }
  /* Menu */
  .menu-item {
    margin: 1.5em 0;
  }
  .menu-item-inner {
    font-size: calc(var(--heading-large) - 1.5rem);
    line-height: 1em;
  }
}
@media only screen and (max-width: 1220px) {

}
@media only screen and (max-width: 1024px) {
  :root {
    /* Sizes */
    --heading: 2.4rem;
  }
  /* Navbar */
  .navbar-inner {
    width: calc(85% - 5em);
  }
  /* Header */
  .header-title {
    font-size: calc(var(--heading-large) - 3.75rem);
  }
  .header-wrapper {
    width: 90%;
  }
  /* Menu */
  .menu {
    width: calc(85% - 5em);
  }
  .menu-item {
    margin: 1em 0;
  }
  .menu-item-inner {
    font-size: calc(var(--heading-large) - 3rem);
    line-height: 1em;
  }
  /* Menu Image */
  .menu-image-wrapper {
    top: -10em;
    left: -15em;
    width: 30em;
    position: fixed;
    will-change: transform;
    pointer-events: none;
    z-index: 54;
  }
}
@media only screen and (max-width: 756px) {
  :root {
    /* Sizes */
    --heading: 2.2rem;
  }
  /* Navbar */
  .navbar-inner {
    width: calc(100% - 5em);
  }
  /* Header */
  .header-title {
    font-size: calc(var(--heading-large) - 4rem);
  }
  .header-wrapper {
    width: 100%;
  }
  /* Menu */
  .menu {
    width: calc(100% - 5em);
  }
  .menu-item-inner {
    font-size: calc(var(--heading-large) - 3.5rem);
  }
  /* Menu Image */
  .menu-image-wrapper {
    top: -8.5em;
    left: -12.5em;
    width: 25em;
    position: fixed;
    will-change: transform;
    pointer-events: none;
    z-index: 54;
  }
}
@media only screen and (max-width: 576px) {
  /* Menu */
  .menu-item-inner {
    font-size: calc(var(--heading-large) - 5rem);
  }
  /* Menu Image */
  .menu-image-wrapper {
    display: none;
  }
  /* Header */
  .header-title {
    font-size: calc(var(--heading-large) - 4.5rem);
  }
}
@media only screen and (max-width: 496px) {
  :root {
    /* Sizes */
    --heading: 1.75rem;
  }
}

// navbar button
let navBtn = $('#nav-button');
let menu = $('.menu-wrapper');
let menuImage = $('.menu-image-wrapper');

navBtn.click(function() {
    if(navBtn.hasClass('open')) {
        navBtn.toggleClass('open');
        navBtn.css("transform", "rotate(0deg)");
        menu.css("opacity", "0");
        menu.css("pointer-events", "none");
        menu.css("z-index", "50");
        menuImage.css("display", "none");
        $('body').css("overflow", "auto");
        setTimeout(function() {
            menu.css("pointer-events", "none");
            menu.css("z-index", "50");
        }, 275);
    } else {
        navBtn.toggleClass('open');
        navBtn.css("transform", "rotate(180deg)");
        menu.css("opacity", "1");
        menuImage.css("display", "inline-block");
        $('body').css("overflow", "hidden");
        setTimeout(function() {
            menu.css("pointer-events", "auto");
            menu.css("z-index", "auto");
        }, 275);
    }
});


// Cursor
const cursorInner = document.querySelector('.cursor');
const cursor = document.querySelector('#cursor');
const cursorCircle = cursor.querySelector('.cursor-circle');

const menuImage1 = document.querySelector('#m-img-1');
const menuImage2 = document.querySelector('#m-img-2');
const menuImage3 = document.querySelector('#m-img-3');
const menuImage4 = document.querySelector('#m-img-4');

const menuItem1 = document.querySelector("#m-item-1");
const menuItem2 = document.querySelector("#m-item-2");
const menuItem3 = document.querySelector("#m-item-3");
const menuItem4 = document.querySelector("#m-item-4");

menuItem1.addEventListener('mouseenter', e => {
    menuImage1.style.opacity = "1";
    menuItem2.style.opacity = ".12";
    menuItem3.style.opacity = ".12";
    menuItem4.style.opacity = ".12";
});
menuItem1.addEventListener('mouseleave', e => {
    menuImage1.style.opacity = "0";
    menuItem2.style.opacity = "1";
    menuItem3.style.opacity = "1";
    menuItem4.style.opacity = "1";
});
menuItem2.addEventListener('mouseenter', e => {
    menuImage2.style.opacity = "1";
    menuItem1.style.opacity = ".12";
    menuItem3.style.opacity = ".12";
    menuItem4.style.opacity = ".12";
});
menuItem2.addEventListener('mouseleave', e => {
    menuImage2.style.opacity = "0";
    menuItem1.style.opacity = "1";
    menuItem3.style.opacity = "1";
    menuItem4.style.opacity = "1";
});
menuItem3.addEventListener('mouseenter', e => {
    menuImage3.style.opacity = "1";
    menuItem1.style.opacity = ".12";
    menuItem2.style.opacity = ".12";
    menuItem4.style.opacity = ".12";
});
menuItem3.addEventListener('mouseleave', e => {
    menuImage3.style.opacity = "0";
    menuItem1.style.opacity = "1";
    menuItem2.style.opacity = "1";
    menuItem4.style.opacity = "1";
});
menuItem4.addEventListener('mouseenter', e => {
    menuImage4.style.opacity = "1";
    menuItem1.style.opacity = ".12";
    menuItem2.style.opacity = ".12";
    menuItem3.style.opacity = ".12";
});
menuItem4.addEventListener('mouseleave', e => {
    menuImage4.style.opacity = "0";
    menuItem1.style.opacity = "1";
    menuItem2.style.opacity = "1";
    menuItem3.style.opacity = "1";
});

const mouse = { x: -100, y: -100 }; // mouse pointer's coordinates
const pos = { x: 0, y: 0 }; // cursor's coordinates
const speed = 0.1; // between 0 and 1

const updateCoordinates = e => {
    mouse.x = e.clientX;
    mouse.y = e.clientY;
}

window.addEventListener('mousemove', updateCoordinates);


function getAngle(diffX, diffY) {
    return Math.atan2(diffY, diffX) * 180 / Math.PI;
}

function getSqueeze(diffX, diffY) {
    const distance = Math.sqrt(
        Math.pow(diffX, 2) + Math.pow(diffY, 2)
    );
    const maxSqueeze = 0.15;
    const accelerator = 1500;
    return Math.min(distance / accelerator, maxSqueeze);
}


const updateCursor = () => {
    const diffX = Math.round(mouse.x - pos.x);
    const diffY = Math.round(mouse.y - pos.y);

    pos.x += diffX * speed;
    pos.y += diffY * speed;

    const angle = getAngle(diffX, diffY);
    const squeeze = getSqueeze(diffX, diffY);

    const scale = 'scale(' + (1 + squeeze) + ', ' + (1 - squeeze) +')';
    const rotate = 'rotate(' + angle +'deg)';
    const translate = 'translate3d(' + pos.x + 'px ,' + pos.y + 'px, 0)';

    menuImage1.style.transform = translate;
    menuImage2.style.transform = translate;
    menuImage3.style.transform = translate;
    menuImage4.style.transform = translate;

    cursorInner.style.transform = translate;
    cursor.style.transform = translate;
    cursorCircle.style.transform = rotate + scale;
};

function loop() {
    updateCursor();
    requestAnimationFrame(loop);
}

requestAnimationFrame(loop);



const cursorModifiers = document.querySelectorAll('[cursor-class]');

cursorModifiers.forEach(curosrModifier => {
    curosrModifier.addEventListener('mouseenter', function() {
        const className = this.getAttribute('cursor-class');
        cursor.classList.add(className);
        cursorInner.style.opacity = "0";
    });

    curosrModifier.addEventListener('mouseleave', function() {
        const className = this.getAttribute('cursor-class');
        cursor.classList.remove(className);
        cursorInner.style.opacity = "1";
    });
});

This Pen is owned by Areal Alien ♡ on CodePen.

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