.darken-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    z-index: 1;
    pointer-events: none;
    transition: background-color 0.5s ease;
}

.darken-background.show {
    background-color: rgba(0, 0, 0, 0.5);
}

body,
ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

.side-bar>ul ul {
    display: none;
}

body {
    height: 5000px;
    background-color: #444;
}

:root {
    --side-bar-width: 270px;
    --side-bar-height: 90vh;
}

.side-bar {
    position: fixed;
    background-color: #057cfc;
    width: var(--side-bar-width);
    min-height: var(--side-bar-height);
    margin-top: calc((100vh - var(--side-bar-height)) / 2);
    z-index: 2;
}

.side-bar__icon-box {
    display: flex;
    justify-content: flex-end;
}

.side-bar__icon-1 {
    position: relative;
    width: 23px;
    height: 17px;
    margin: 15px;
    margin-top: 20px;
    transition: .5s;
}

:root {
    --side-bar__icon: .5s;
}

.side-bar__icon-1>div {
    position: absolute;
    width: 100%;
    height: 20%;
    background-color: white;
    transition: all var(--side-bar__icon);
}

.side-bar__icon-1>div:nth-of-type(1) {
    top: 0;
    width: auto;
    left: 0;
    right: 0;
    transition: all var(--side-bar__icon), left calc(var(--side-bar__icon) / 2) calc(var(--side-bar__icon) / 2), right calc(var(--side-bar__icon) / 2) calc(var(--side-bar__icon) / 2), height calc(var(--side-bar__icon) / 2) 0s;
}

.side-bar__icon-1>div:nth-of-type(2) {
    top: 40%;
    transform-origin: bottom left;
}

.side-bar__icon-1>div:nth-of-type(3) {
    top: 80%;
    left: auto;
    right: 0;
    transform-origin: bottom right;
}


.side-bar:hover .side-bar__icon-1 {
    transform: translate(-198px, 0);
}

.side-bar:hover .side-bar__icon-1>div:nth-of-type(2) {
    transform: rotate(45deg);
    width: 70.5%;
    height: 25%;
}

.side-bar:hover .side-bar__icon-1>div:nth-of-type(3) {
    top: 40%;
    transform: rotate(-45deg);
    width: 70.5%;
    height: 25%;
}

.side-bar:hover .side-bar__icon-1>div:nth-of-type(1) {
    left: 41%;
    right: 41%;
    height: 100%;
    transition: all var(--side-bar__icon), left calc(var(--side-bar__icon) / 2) 0s, right calc(var(--side-bar__icon) / 2) 0s, height calc(var(--side-bar__icon) / 2) calc(var(--side-bar__icon) / 2);
}

.side-bar ul>li>a {
    display: block;
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 50px;
    transition: .5s;
}

.side-bar>ul>li {
    position: relative;
}

.side-bar ul>li:hover>a {
    background-color: #1f45dd;
    border-bottom: 1px solid #4cabf4;
    color: blue;
}

.side-bar>ul>li:hover>ul {
    display: block;
    position: absolute;
    background-color: #888;
    top: 0;

    left: 100%;

    width: 100%;
}

.side-bar {
    border-radius: 20px;
    transform: translate(calc(var(--side-bar-width) * -0.8), 0);
    transition: .5s;
}

.side-bar:hover {
    transform: translate(-20px, 0);
}

body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    padding: 20px;
    transition: background-color 0.5s;
}

.container {
    max-width: 800px;
    margin: auto;
    background: #fff;

    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.5s;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
}

p {
    font-size: 1.2rem;
    line-height: 1.6;
}

.benefits {
    margin-top: 20px;
}

.benefit-item {
    margin-bottom: 10px;
}

.main-content {
    max-width: 800px;
    margin: auto;
}

.main-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.main-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.main-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}