:root {
    --blue: rgba(1, 38, 159);
    --gray: #aaa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--gray);
    background-image: linear-gradient(to right, rgba(256, 256, 256, 0.8), rgba(256, 256, 256, 0.8)), url('../../assets/pattern-1.png');
    background-attachment: fixed;
}

#setting {
    padding: 10px 30px;
    background-color: var(--blue);
}

.setting-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.symbols {
    display: flex;
}

.symbols .symbol-img {
    width: 40px;
    border-radius: 5px;
    padding: 5px;
    transition: .2s all ease-in;
    cursor: pointer;
}

.symbols .symbol-img:hover {
    background-color: #fff;
}

.symbol-img img {
    width: 100%;
}

#header {
    position: relative;
    height: fit-content;
}

#header .carousel-item {
    height: 900px;
}

#header .carousel-item img {
    max-width: 100%;
}

.pointer {
    width: 150px;
    height: 40px;
    position: relative;
    background: var(--blue);
    color: white;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    box-shadow: 5px 5px 10px #000;
}

.pointer:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 0;
    border-left: 20px solid white;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
}

.pointer:before {
    content: "";
    position: absolute;
    right: -20px;
    bottom: 0;
    width: 0;
    height: 0;
    border-left: 20px solid var(--blue);
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
}

.pointer:hover {
    background: yellow;
}

.pointer:after:hover {
    border-left: 20px solid yellow;
}

.pointer:before:hover {
    border-left: 20px solid yellow;
}

.on-slider {
    position: absolute;
    width: 550px;
    height: fit-content;
    top: 0px;
    right: 80px;
    z-index: 20;
    padding: 5px;
    border-radius: 10px;
}


.square-head {
    padding: 5px 15px;
    border-bottom-left-radius: 20px;
    border-top-right-radius: 20px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid orangered;
    cursor: pointer;
    transition: 0.3s all linear;
    background-color: #fff;
}

.square-head:hover {
    background-color: var(--blue);
    color: #fff;
}

.square-head.active {
    background-color: var(--blue);
    color: #fff;
}

.square {
    width: 95%;
    border-radius: 10px;
    border: 1px solid #fff;
    height: fit-content;
    background-color: #fff;
    margin: 0 auto 10px;
    transition: 0.3s all ease;
    font-size: 14px;
    box-shadow: 1px 1px 10px #bbb;

}

.square a {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    padding: 5px 15px;
    color: #555;
}

.square:hover a {
    color: orangered;
}

.square:hover {
    border: 1px solid orangered;
}

.square:hover i {
    color: orangered;
}

.square i {
    font-size: 20px;
    line-height: inherit;
    transition: 0.3s all ease;
}

.card-link {
    width: 95% !important;
    text-align: center;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s all linear;
    height: 130px;
    border: 2px solid #fff;
    color: #008cff;
}

.card-link:hover {
    background-color: var(--blue);
    box-shadow: 1px 1px 5px #bbb;
    border: 2px solid #fff;
}

.card-link:hover a {
    color: #fff;

}

video {
    width: 45%;
    margin-left: 30px;
    margin-top: 10px;
}

.card-link i {
    font-size: 30px;
    margin-bottom: 10px;
}

.card-link .card-text {
    font-size: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px
}

#links .card-body {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

#news {
    /*background-color: #ddd;*/
}

#news h4, #platforms h4, #useful-source h4 {
    padding: 10px;
    border-bottom: 3px solid var(--blue);
    margin-bottom: 30px;
}

.img-wrapper {
    overflow: hidden;
    height: 188px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#content img{
    max-width: 100%;
}

.news-card img {
    transition: 0.3s all ease;
}

.news-card img:hover {
    transform: scale(1.1);
}

.news-card .card-body {
    padding: 15px;
}

.news-card .card-text-header {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    line-height: 24px;
    color: #333;
    cursor: pointer;
    transition: 0.5s all ease;
    text-align: center;
    min-height: 48px;
}

.news-card.card-text-header:hover {
    color: blue;
}

.news-card .card-text-body {
    font-size: 14px;
    margin-bottom: 0;
    height: 68px;
    overflow: hidden;
}

.news-card .more {
    display: block;
    padding: 5px 10px;
    background-color: var(--blue);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
}

.news-card .more:hover {
    background-color: #0d6efd;
}

.news-card .news-date {
    font-size: 12px;
}

.new-img-wrapper img {
    width: 100% !important;
}

.new-content {
    font-size: 18px;
    margin-top: 15px;
    font-family: "Roboto", serif;
}


table {
    font-family: Roboto, serif;
    font-weight: 600;
}

#content table td {
    font-size: 14px;
    padding: 10px;
}

table td a, table td a:hover {
    color: #000;
}

#statistics {
    min-height: 200px;
    position: relative;
}

canvas {
    min-height: 200px;
    position: absolute;
    z-index: 2;
    top: 0;
}

#statistics .row {
    align-items: center;
    justify-content: space-between;
}

.statistic-item {
    height: 100%;
    background-color: transparent;
    width: 70%;
    margin: 0 auto;
    color: #fff;
}

.stat-item-header, .stat-item-body {
    margin: 0;
    text-align: center;
}

.stat-item-header {
    font-size: 40px;
}

.stat-item-body {
    font-size: 20px;
    text-transform: uppercase;
}

footer {
    background: linear-gradient(to right, var(--blue), var(--blue)), url("../../assets/hexagon.png");
    background-size: cover;
}

footer .content {
    width: fit-content;
}

footer .text-header {
    margin: 0;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
}

.text-down {
    width: 60px;
    background-color: #000;
    height: 2px !important;
    margin: 10px;
    opacity: 1;
}

.contact {
    color: #fff;
    font-size: 14px;
}

.social-links {
    display: flex;
}

.social-btn {
    cursor: pointer;
    height: 40px;
    width: 40px;
    font-family: 'Titillium Web', sans-serif;
    color: #333;
    border-radius: 10px;
    box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.1);
    background: white;
    margin: 5px;
    transition: 1s;
}

.social-btn span {
    width: 0px;
    overflow: hidden;
    transition: 1s;
    text-align: center;
}

.social-btn:hover {
    width: 150px;
    border-radius: 5px;
}

.social-btn:hover span {
    padding: 2px;
    width: max-content;
}

#twitter svg {
    fill: #1da1f2;
}

#linkedin svg {
    fill: #0e76a8;
}

#github {
    fill: #333;
}

#useful-source {
    padding: 15px;
}

#useful-source .useful-card {
    padding: 10px;
    transition: 0.3s all linear;
    background-color: transparent;
}

#useful-source .useful-card a {
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, .5);
    border-radius: 15px;
    padding: 5px;
}

.useful-card img {
    max-width: 100%;
    max-height: 80px;
}

#useful-source .useful-card:hover {
    transform: translateY(-10%)
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

footer iframe {
    width: 100%;
    height: 280px;
}

footer input::placeholder {
    color: #fff !important;
}

footer input:focus {
    border-color: #fff !important;
    box-shadow: #fff !important;
}

footer textarea::placeholder {
    color: #fff !important;
}

footer textarea:focus {
    border-color: #fff !important;
    box-shadow: #fff !important;
}

footer section {
    height: 50px;
    background-color: #000;
    color: #fff;
    display: flex;
    align-items: center;
}

@media (max-width: 1240px) {
    .on-slider {
        position: relative;
        width: 550px;
        margin: 0 auto;
        top: 20px;
        right: 0;
    }

    video {
        display: block;
        width: 85%;
        margin: 0 auto !important;
    }
}

@media (max-width: 992px) {
    .col-md-4 {
        margin-top: 10px;
        margin-bottom: 10px;
    }


    #header .carousel-item {
        height: 400px;
    }

    /*.on-slider {*/
    /*    position: relative;*/
    /*    width: 550px;*/
    /*    margin: 0 auto;*/
    /*    top: 20px;*/
    /*    right: 0;*/
    /*}*/
    .img-wrapper {
        height: 140px;
    }

    .card-text {
        font-size: 14px;
    }

    .card-text-body {
        font-size: 13px;
        min-height: 68px !important;
    }

    .card-text-header {
        min-height: 48px !important;
    }
}

@media (max-width: 550px) {
    #header .carousel-item {
        height: 300px;
    }

    .on-slider {
        width: 90%;
        top: 20px;
        right: 0;
    }

    .symbols {
        width: 100%;
    }

    .btn.btn-primary {
        width: fit-content !important;
    }
}

.useful-links {
    display: flex;
    justify-content: space-between;
    gap: 5px;
    flex-wrap: wrap;
    padding: 5px 0;
}

.setting-card {
    width: 150px;
    height: inherit;
    background-color: #fff;
    border-radius: 10px;
    padding: 5px;
}

.setting-card img {
    width: 100%;
}

.test-mode {
    width: 100%;
    padding: 0 50px;
}

.test-mode p {
    text-align: center;
    margin-bottom: 0;
    font-size: 18px;
}

.content-height {
    height: 700px;
}

.content-height img {
    width: 100%;
}

.oval {
    margin: 40px auto;
    width: 70%;
    height: 100px;
    background-color: #0d6efd;
    border-radius: 20px;
    box-shadow: 0 15px 10px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.oval a {
    color: #fff;
}

.library-wrapper {
    width: 90%;
    height: 70px;
    margin: 20px auto;
    box-shadow: 0 0 10px #555;
    border-radius: 15px;
    background-color: #fff;
    padding: 5px;
    border: 1px solid transparent;
    transition: 0.01s all linear;
}

.library-wrapper:hover {
    border: 1px solid orangered;
    cursor: pointer;
}

.library-wrapper img {
    height: 100%;
    margin-left: 15px;
}

.library-wrapper a {
    display: inline-block;
    margin-left: 20px;
    color: #000;
}


.library-wrapper:hover a {
    color: orangered;
}

.page-item{
    border-radius: 0;
}

.page-link {
    line-height: normal;
}

.page-link:hover {
    border-radius: 5px;
}