:root, .light{
    --bg-color: #f6f6f6;
    --b-g-color: #fff;
    --color-text: #282828;
    --header-color: rgba(255, 255, 255, 0.9);
    --button-color: #282828;
    --tx-color: #fff;
    --active-color: #f6f6f6;
    --scrollbar-color: #cccccc;
    --disabled-button: #d3d3d3;
    --disabled-button-text: #8f8f8f;
}
.dark{
    --bg-color: #0f0f0f;
    --b-g-color: #1a1a1a;
    --color-text: #fff;
    --header-color: rgb(26, 26, 26, 0.9);
    --button-color: #fff;
    --tx-color: #282828;
    --active-color: #242526;
    --scrollbar-color: #242526;
    --disabled-button: #303030;
    --disabled-button-text: #8f8f8f;
}
a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video {
    border: 0;
    font: inherit;
    margin: 0;
    padding: 0;
    vertical-align: baseline;
    border-spacing: 0;
}
.is_not_mac > ::-webkit-scrollbar{
    width: 7px;
    height: 7px;
}
.is_not_mac > ::-webkit-scrollbar-track{
    border-radius: 6px;
}
.is_not_mac > ::-webkit-scrollbar-thumb{
    border-radius: 5px;
    background-color: var(--scrollbar-color);
}
body{
    font-family: Raleway;
    overflow-x: hidden;
    background-color: var(--bg-color);
}
.nav-open{
    overflow: hidden;
}
header{
    display: flex;
    position: fixed;
    top: 0px;
    left: 0px;
    padding-left: 50px;
    padding-right: 20px;
    width: 100%;
    box-sizing: border-box;
    height: 60px;
    z-index: 10;
    background-color: var(--header-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.menu-toggle-section{
    display: flex;
    align-items: center;
    justify-content: center;
    display: none;
}
.menu-toggle{
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    height: 28px;
    width: 28px;
    outline: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
span.menu,
span.menu::after,
span.menu::before{
    position: absolute;
    content: '';
    width: 23px;
    height: 1.5px;
    background-color: var(--color-text);
    border-radius: 20px;
    transition: 500ms cubic-bezier(0.77,0,0.175, 1);
}
span.menu::before{
    margin-top: -8px;
}
span.menu::after{
    margin-top: 8px;
}
.menu-toggle.active > span.menu{
    background: transparent;
}
.menu-toggle.active > span.menu::after,
.menu-toggle.active > span.menu::before{
    margin-top: 0px;
}
.menu-toggle.active > span.menu::before{
    transform: rotate(-225deg);
}
.menu-toggle.active > span.menu::after{
    transform: rotate(225deg);
}
.bi-logo-wrapper{
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}
.bi-logo{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    transition: opacity 0.3s ease-in-out;
    -webkit-tap-highlight-color: transparent;
}
.bi-logo:hover{
    opacity: 0.9;
}
header nav{
    display: flex;
    -webkit-box-pack: end;
    justify-content: flex-end;
    -webkit-box-flex: 1;
    flex-grow: 1;
}
header nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
}
nav ul li {
    list-style: none;
    height: 100%;
    margin: 0px 2px;
    position: relative;
}
nav ul li::after{
    position: absolute;
    bottom: 1px;
    content: "";
    display: block;
    background-color: var(--color-text);
    height: 2px;
    width: 0%;
    border-radius: 20px;
    transition: width 0.3s, opacity 0.3s;
    opacity: 0;
}
nav ul li:hover::after{
    width: 100%;
    opacity: 1;
}
nav ul li a{
    text-decoration: none;
    color: var(--color-text);
    padding: 0px 20px;
    font-size: 14px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
}
.active-line{
    position: absolute;
    bottom: 1px;
    background-color: var(--color-text);
    height: 2px;
    width: 100%;
    border-radius: 20px;
    transition: transform 0.3s;
}
.list-company-button-section{
    display: flex;
    justify-content: center;
    align-items: center;
    padding-right: 15px;
}
.list-company-button{
    font-size: 12px;
    color: var(--tx-color);
    background-color: var(--button-color);
    font-weight: 600;
    text-decoration: none;
    border-radius: 99999px;
    padding: 11px 25px;
}
header.active .list-company-button{
    color: var(--tx-color);
    background-color: var(--button-color);
}
.options-wrapper{
    display: flex;
}
.dots{
    font-size: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text);
    cursor: pointer;
    padding: 0px 10px;
    -webkit-tap-highlight-color: transparent;
}
.main-content{
    padding-top: 110px;
}
.aboutus-section{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.aboutus-section h1{
    font-size: 60px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text);
}
.line{
    margin-top: 15px;
    height: 4px;
    width: 143px;
    background-color: var(--color-text)
}
.aboutus{
    padding: 25px 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
}
.aboutus-info{
    padding-left: 50px;
}
.aboutus-info h2{
    font-size: 25px;
    font-weight: 600;
    padding-bottom: 15px;
    color: var(--color-text);
}
.aboutus-info p{
    font-size: 18px;
    color: var(--color-text);
    line-height: 1.5em;
    margin: auto;
}
.read-more-button-wrapper{
    padding-top: 20px;
}
.read-more-button{
    background: var(--button-color);
    color: var(--tx-color);
    text-decoration: none;
    padding: 11px 25px;
    display: inline-block;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.read-more-wrapper{
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
}
.read-more-section{
    display: flex;
    flex-direction: column;
    margin: 40px;
    background: var(--b-g-color);
    box-shadow: 0px 4px 10px 4px rgba(0, 0, 0, 0.04);
    border-radius: 25px;
    max-height: 85%;
    max-width: 800px;
    overflow-y: hidden;
}
.read-more-section-header{
    display: flex;
    padding: 0px 25px;
    margin: 20px 0px;
}
.close-button-wrapper {
    display: flex;
    -webkit-box-pack: end;
    justify-content: flex-end;
    -webkit-box-flex: 1;
    flex-grow: 1;
}
.close-button-section {
    padding: 5px;
    border-radius: 50%;
    height: 22px;
    width: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    background-color: var(--active-color);
    -webkit-tap-highlight-color: transparent;
}
.icon-color{
    fill: var(--color-text);
}
.read-more{
    padding: 0px 30px;
    overflow-y: scroll;
    border-radius: 25px;
}
.more-info{
    margin-bottom: 30px;
}
.more-info h2{
    font-size: 22px;
    padding-bottom: 5px;
}
.more-info p{
    font-size: 16px;
}
.image-section{
    display: flex;
    justify-content: center;
    align-items: center;
}
.image{
    height: 380px;
    -webkit-user-drag: none;
}
.website-version-wrapper{
    width: 100%;
    padding: 15px 0px;
}
.website-version-section{
    padding: 0px 100px;
}
.version{
    color: var(--color-text);
}
.theme-switch-wrapper{
    position: fixed;
    top: 75px;
    width: 300px;
    border-radius: 20px;
    right: 0px;
    margin-right: 10px;
    background-color: var(--b-g-color);
    box-shadow: 0px 4px 10px 4px rgba(0, 0, 0, 0.04);
    transition: 0.3s opacity cubic-bezier(0.4, 0, 0.2, 1), 0.3s transform cubic-bezier(0.4, 0, 0.2, 1), 0.3s visibility cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0.6);
    transform-origin: top right;
    opacity: 0;
    visibility: hidden;
    z-index: 1;
}
.theme-switch-section{
    padding-top: 25px;
    margin-bottom: 15px;
}
.theme-switch-section h3{
    text-align: center;
    font-weight: 700;
    font-size: 20px;
    color: var(--color-text);
}
.theme-switch{
    padding-top: 10px;
}
.appearance-wrapper{
    cursor: pointer;
    padding: 12px 0px;
    margin: 0px 12px;
    border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
}
.appearance-wrapper:hover{
    background-color: var(--active-color);
}
.appearance-section{
    display: flex;
    margin-left: 12px;
}
.check-arrow-section{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20px;
    width: 20px;
}
.check-color{
    fill: var(--color-text);
}
.appearance-text{
    margin-left: 12px;
    color: var(--color-text);
}
.backdrop-background{
    position: fixed;
    top: 0px;
    width: 100%;
    height: 100%;
    transition: 0.3s ease-in-out;
    z-index: 2;
}
@media(max-width: 1100px) {
    .website-version-section{
        padding: 0px 50px;
    }
}
@media(max-width: 840px) {
    .aboutus{
        flex-direction: column-reverse;
    }
    .aboutus-info{
        padding: 0px;
    }
    .aboutus-info h2{
        text-align: center;
    }
    .more-info h2{
        text-align: unset;
    }
    .read-more-button-wrapper{
        padding-bottom: 30px;
    }
    .read-more-button-section{
        display: flex;
        justify-content: center;
    }
}
@media(max-width: 700px) {
    .list-company-button-section{
        display: none;
    }
}
@media(max-width: 630px) {
    .read-more-section{
        max-height: 100%;
        width: 100%;
        border-radius: 0px;
        margin: 0px;
    }
}
@media(max-width: 600px) {
    header{
        height: 50px;
        padding: 0px 20px;
    }
    .menu-toggle-section{
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .menu-toggle.active > span.menu::after,
    .menu-toggle.active > span.menu::before{
        background: var(--color-text);
    }
    .bi-logo-wrapper{
        margin-left: 5px;
    }
    .logo{
        height: 42px;
        width: 42px;
    }
    header nav{
        display: block;
        position: absolute;
        width: 60%;
        height: calc(100vh - 0px);
        background: var(--b-g-color);
        top: 0px;
        left: -45%;
        transition: 0.5s;
        text-align: left;
        opacity: 0;
        visibility: hidden;
    }
    header nav.active{
        transform: translateX(75%);
        -webkit-transform: translateX(75%);
        opacity: 1;
        visibility: visible;
    }
    header nav ul{
        display: block;
        padding-top: 70px;
        padding-left: 10px;
        padding-right: 10px;
        transform: translateY(80px);
        -webkit-transform: translateY(80px);
        opacity: 0;
    }
    header nav.active ul{
        transform: translate(0px);
        -webkit-transform: translateY(0px);
        transition: transform 1s, opacity 1s;
        opacity: 1;
        transition-delay: 0.2s;
    }
    header nav ul li::after{
        display: none;
        content: "";
    }
    header nav ul li a{
        padding: 15px 20px;
        justify-content: left;
        font-size: 16px;
        color: var(--color-text);
    }
    header nav ul li a.active{
        background-color: var(--active-color);
        border-radius: 10px;
    }
    .active-line{
        display: none;
    }
    .list-company-button-section{
        display: flex;
        padding: 0px 20px;
    }
    .list-company-button{
        width: 100%;
        text-align: center;
    }
    .options-wrapper {
        display: flex;
        -webkit-box-pack: end;
        justify-content: flex-end;
        -webkit-box-flex: 1;
        flex-grow: 1;
    }
    .aboutus-section h1{
        font-size: 45px;
    }
    .line{
        width: 107px;
    }
    .aboutus{
        padding: 25px;
    }
    .aboutus-info p{
        font-size: 16px;
    }
    .aboutus-info h2{
        font-size: 22px;
    }
    .more-info h2{
        font-size: 20px;
    }
    .website-version-section {
        padding: 0px 25px;
    }
    .theme-switch-wrapper{
        top: 60px;
        width: 250px;
    }
    .theme-switch-section{
        padding-top: 20px;
        margin-bottom: 10px;
    }
    .appearance-text{
        margin-left: 15px;
    }
    .appearance-wrapper:hover{
        background-color: transparent;
    }
}
@media(max-width: 550px) {
    .image-section{
        height: unset;
    }
    .image{
        width: 85%;
        height: 85%;
    }
}