@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

body {
    margin: 0;
    overflow: hidden;
    user-select: none;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-attachment: fixed;
    background-image: url(../image/about.jpg);
}

.navtop {
    display: flex;
    height: 90px;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.1));
    z-index: 100;
}

.logo img {
    height: 60px;
    width: 80%;
}

button {
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    background-color: transparent;
}

.circle-wrapper {
    width: 50px;
    height: 50px;
    right: 1%;
    position: relative;
}

.c2 {
    margin-left: -17%;
}

.circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    animation: spin 10s linear infinite;
    border: 3px dashed #fff;
}

@keyframes spin {
    100% {
        transform: rotateZ(360deg);
    }
}

.circle-wrapper .off {
    border: none;
    position: absolute;
    transform: translate(12%, -115%);
}

.off:hover {
    opacity: 0.8;
}

.menu {
    display: flex;
}

.menu div a {
    font-family: "Bebas Neue", sans-serif;
    font-size: 18px;
    color: white;
}

.menu div .first {
    color: #1ADDFF;
}

.menu div a:hover {
    color: #1ADDFF;
}

input[type=checkbox] {
    display: none;
}

.menubar {
    display: none;
    font-size: 24px;
    user-select: none;
}

.cover {
    position: absolute;
    top: 0%;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    margin: 0%;
    z-index: -1;
}

.vertical {
    top: 0;
    margin-left: 88%;
    height: 100%;
    position: absolute;
    border-left: 1px solid rgb(255, 255, 255, 0.4);
    z-index: 10;
}

hr.row {
    width: 100%;
    top: 12%;
    margin-left: 0;
    border: 1px solid rgb(255, 255, 255, 0.5);
    position: absolute;
    z-index: 90;
}

hr.row2 {
    width: 100%;
    top: 83%;
    margin-left: 0;
    border: 1px solid rgb(255, 255, 255, 0.5);
    position: absolute;
    z-index: 90;
}

.title b {
    margin-left: 13%;
    top: 81%;
    position: absolute;
    font-family: "Bebas Neue", sans-serif;
    font-size: 90px;
    font-weight: 500;
    letter-spacing: 2px;
    color: rgb(255, 255, 255, 0.4);
    z-index: 10;
}

.page {
    position: absolute;
    z-index: 3;
    top: 50%;
    right: 2.5%;
    text-align: end;
    z-index: 10;
}

.pa1 {
    font-family: "Rubik", sans-serif;
    color: #10a7e8;
    font-size: 38px;
    font-weight: 800;
}

.pa2 {
    font-family: "Rubik", sans-serif;
    color: white;
    font-size: 13px;
    font-weight: 600;
    margin-top: -20px;
}

/* slide*/
img {
    vertical-align: middle;
    transition: filter 0.3s ease;
}

.slideshow-container {
    max-width: 850px;
    position: relative;
    margin: auto;
    margin-top: -1.7%;
}

.numbertext {
    color: #f2f2f2;
    font-size: 15px;
    padding: 8px 12px;
    position: absolute;
    font-family: "Bebas Neue", sans-serif;
    top: 0;
}

.prev,
.next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    text-decoration: none;
    z-index: 11;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover,
.next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.do {
    margin-top: -20px;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 5px;
    background-color: #eee;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active,
.dot:hover {
    background-color: #aaa;
}


.description {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 200px 100px 0 100px;
    box-sizing: border-box;
    text-align: center;
    font-size: 20px;
    opacity: 0;
    z-index: 10;
    font-family: "Roboto Mono", monospace;
    display: flex;
}

.mySlides:hover .description {
    display: block;
    opacity: 1;
}

.mySlides:hover img {
    filter: brightness(0.8);
}

.fade-in {
    opacity: 0.4;
    transition: opacity 1s ease-in-out;
}

.fade-in.show {
    opacity: 1;
}

@media (max-width: 1200px) {
    .menu {
        display: none;
        position: fixed;
        padding-top: 20px;
        margin-top: 10px;
        background-color: rgba(0, 0, 0, 0.9);
        left: 0;
        text-align: left;
        width: 100%;
        height: 120%;
        z-index: 10;
        border-top: 1px solid #c1c1c1;
    }

    .menu div {
        margin-top: 20px;
        text-align: start;
        margin-left: 2%;
    }

    .menu div a {
        color: white;
        font-family: 'Roboto', sans-serif;
        font-size: 20px;
        text-decoration: none;
    }

    .navtop button {
        display: none;
    }

    .menu div:hover {
        color: #068FFF;
    }

    input[type=checkbox]:checked~.menu {
        display: block;
    }

    .menubar {
        display: block;
    }

    .circle-wrapper {
        display: none;
    }
}

@media (max-width: 760px) {
    .menu div {
        margin-left: 5%;
    }
}

@media screen and (max-width: 678px) {
    .thumbnail {
        justify-content: start;
    }

    .slider .list .item .content h2 {
        font-size: 60px;
    }

    .arrows {
        top: 15%;
    }
}