@import 'reset.css';
@import 'locomotive-scroll.min.css';

:root {
    --viewport-width: 100vw;
    --viewport-height: 100vh;
}

.p-body {
    background: black;
    color: white;
    font-family: 'UbisoftSans', sans-serif;
    font-size: 16px;
    filter: blur(0px);
    transition: filter 600ms;
}
.p-body.preload,
html.preload {
    overflow: hidden;
}
.p-body.preload {
    filter: blur(10px);
}
html.preload::before {
    content: '';
    width: 100vw;
    height: 100vh;
    background: url("../images/three-dots.svg") center no-repeat;
    background-size: 100px 100px;
    position: fixed;
    top: 0;
    left: 0;
}
.p-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.p-title {
    font-weight: bold;
    font-size: 48px;
    line-height: 58px;
    text-transform: uppercase;
}
.p-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 280px;
    height: 50px;
    background: rgba(235, 196, 9, 0.9);
    border: 2px solid rgba(235, 196, 9, 0.9);
    font-weight: bold;
    font-size: 18px;
    line-height: 50px;
    text-align: center;
    text-transform: uppercase;
    color: black;
    transition: 300ms;
    cursor: pointer;
}
.p-button:hover {
    background: black;
    color: rgba(235, 196, 9, 0.9);
}
.section {
 position: relative;
}
.section .section-trigger {
    position: absolute;
    top:0;
    bottom:0;
    left: 0;
    width: 100%;
    z-index: 0;
}

/* ---------------------------------------- Header ----------------------------------------*/

.p-header {
    position: fixed;
    z-index: 3;
    top:0;
    left: 0;
    width: 100%;
}
.header-block {
    background: black;
}
.header__burger-menu {
    display: none;
}
.header-block--2 {
    width: 100%;
    border-bottom: 2px solid white;
    height: 29px;
}
.header-block--1,
.header-block--3 {
    width: 214px;
    border-bottom: 2px solid white;
    position: absolute;
    top:0;
    height: 58px;
}
.header-block--1::before,
.header-block--3::before {
    content: '';
    width: 42px;
    height: 30px;
    background: black;
    border-bottom: 2.1px solid white;
    position: absolute;
}
.header-block--1 {
    left: 0;
    width: 139px;
}
.header-block--3 {
    right: 0;
}
.header-donload-bar {
    width: 195px;
    height: 45px;
    margin: 6px 15px 0 0;
    background: url("../images/header/diamond.svg") 3px 0px no-repeat, url("../images/header/diamond.svg") 24px 0px no-repeat;
    background-size: auto 45px;
    position: relative;
    z-index: 3;
}
.header-donload-bar__line {
    padding-left: 9px;
    position: absolute;
    width: 155px;
    height: 23px;
    left: 44px;
    top: 10px;
    background: #4E4E4E;
    font-style: normal;
    font-weight: normal;
    font-size: 12px;
    line-height: 23px;
    color: white;
    z-index: 1;
}
.header-donload-bar__percents {
    position: relative;
    z-index: 2;
}
.header-donload-bar__progress {
    display: block;
    height: 100%;
    position: absolute;
    top:0;
    bottom:0;
    left: 0;
    z-index: 1;
    background: #222;
    width: 5%;
}
.header-donload-bar__warning {
    position: absolute;
    width: 95px;
    height: 12px;
    left: 24px;
    top: 34px;
    background: #EBC409;
    font-style: normal;
    font-weight: normal;
    font-size: 10px;
    line-height: 1;
    padding-left: 3px;
    color: black;
    z-index: 2;
}
.header-donload-bar__warning::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 100%;
    width: 30px;
    height: 30px;
    background: url("../images/header/triangle.svg") -2px bottom no-repeat;
}

.header-block--1::before {
    right: -25px;
    bottom: 8.6px;
    transform: rotate(-44.8deg);
}
.header-block--3::before {
    left: -25px;
    bottom: 8.6px;
    transform: rotate(44.8deg);
}

/* ---------------------------------------- Header menu ---------------------------------------- */

.header-menu {
    position: absolute;
    z-index: 1;
    left: 125px;
    top: 190px;
}
.header-menu__list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.header-menu__item {
    font-style: normal;
    font-weight: normal;
    font-size: 18px;
    line-height: 22px;
    text-align: center;
    text-transform: uppercase;
    color: black;
    height: 35px;
    background-repeat: no-repeat;
    background-position: left center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    margin-bottom: 5px;
    position: relative;
    cursor: pointer;
    transition: height 200ms;
}
.header-menu__item:hover {
    color: #E5C514;
}
.header-menu__item--active {
    height: 47px;
    font-weight: bold;
    padding: 10px;
    margin-left: -12px;
    background-size: 100% 100%;
}
.header-menu__item--active:hover {
    color: black;
}
.header-menu__item--active::before {
    content: '';
    position: absolute;
    width: 65.5px;
    height: 104px;
    background: url("../images/menu/menu-active-item.svg") center no-repeat;
    background-size: cover;
    left: -57px;
    top: 50%;
    transform: translateY(-50%);
}
.header-menu__item--main {
    background-image: url("../images/menu/default/main.svg");
}
.header-menu__item--active.header-menu__item--main {
    width: 131px;
    background-image: url("../images/menu/active/main.svg");
}
.header-menu__item--advantages {
    background-image: url("../images/menu/default/advantages.svg");
}
.header-menu__item--active.header-menu__item--advantages {
    width: 131px;
    background-image: url("../images/menu/active/advantages.svg");
}
.header-menu__item--course {
    background-image: url("../images/menu/default/course.svg");
}
.header-menu__item--active.header-menu__item--course {
    width: 187px;
    padding: 0;
    background-image: url("../images/menu/active/course.svg");
}
.header-menu__item--structure {
    background-image: url("../images/menu/default/structure.svg");
}
.header-menu__item--active.header-menu__item--structure {
    width: 127px;
    background-image: url("../images/menu/active/structure.svg");
}
.header-menu__item--lecturers {
    background-image: url("../images/menu/default/lecturers.svg");
}
.header-menu__item--active.header-menu__item--lecturers {
    width: 108px;
    background-image: url("../images/menu/active/lecturers.svg");
}
.header-menu__item--developers {
    background-image: url("../images/menu/default/developers.svg");
}
.header-menu__item--active.header-menu__item--developers {
    width: 146px;
    background-image: url("../images/menu/active/developers.svg");
}

/* ---------------------------------------- Main section ----------------------------------------*/
.main-section {
    background: url("../images/stars/yellow-big.svg") 4% 67% no-repeat,
    url("../images/stars/green-big.svg") 48% 85% no-repeat,
    url("../images/stars/green-big.svg") 91% 15% no-repeat,
    url("../images/stars/yellow-small.svg") 51% 44% no-repeat;

}
.main-container {
    padding: 150px 15px 200px 330px;
    position: relative;
}
.main__content {
    width: 680px;
}
.main-kassandra {
    position: absolute;
    top: 17%;
    right: 9%;
    width: 470px;
    height: 580px;
    background: url("../images/main/kassandra.png") center no-repeat;
    background-size: cover;
}
.main__title {
    font-weight: bold;
    font-size: 64px;
    line-height: 120%;
    text-transform: uppercase;
    margin-bottom: 35px;
}

.main__content-desc {
    font-size: 18px;
    line-height: 150%;
    max-width: 400px;
    margin-bottom: 70px;
}


/* ---------------------------------------- Advantages ---------------------------------------- */

.advantages-section {
    background: url("../images/stars/yellow-big.svg") 6% 100% no-repeat,
    url("../images/stars/green-big.svg") 78% 53% no-repeat,
    url("../images/stars/yellow-middle.svg") 45% 62% no-repeat,
    url("../images/stars/yellow-small.svg") 70% 92% no-repeat;

}
.advantages-container {
    padding: 150px 15px 150px 330px;
    position: relative;
}
.advantages__content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: -50px;
}
.advantage {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 50%;
    margin-bottom: 25px;
}
.advantage--1,
.advantage--3 {
    width: 46%;
}

.advantage__icon {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.advantage--1 .advantage__icon,
.advantage--3 .advantage__icon {
    width: 103px;
}
.advantage--2 .advantage__icon,
.advantage--4 .advantage__icon {
    width: 145px;
}
.advantage__desc {
    font-weight: normal;
    font-size: 24px;
    line-height: 29px;
}

/* ---------------------------------------- Courses ---------------------------------------- */

.course-container,
.structure-container {
    display: flex;
    align-items: flex-start;
    position: relative;
}
.course__right,
.structure__right {
    position: relative;
    top: 0;
    height: 100vh;
    height: var(--viewport-height);
    order: 1;
    flex: 0 0 0;
    width: 1px;
    z-index: 2;
}
.course__background,
.structure__background {
    position: absolute;
    top: 0;
    left: 0;
    height: 100vh;
    height: var(--viewport-height);
    order: 0;
    width: 100vw;
    z-index: 0;
    background: url("../images/stars/yellow-big.svg") 29% 95% no-repeat,
    url("../images/stars/green-small.svg") 14% 81% no-repeat,
    url("../images/stars/yellow-middle.svg") 22% 20% no-repeat,
    url("../images/stars/green-big.svg") 84% 36% no-repeat;
}

/* Content */
.course-content__wrap,
.structure-content__wrap {
    position: absolute;
    right: 0;
    color: white;
    font-size: 20px;
    width: 100vw;
    max-width: 1440px;
    height: 100vh;
    z-index: 1;
}
.course-content__item,
.structure-content__item {
    position: absolute;
    left: 330px;
    top: 50%;
    transform: translateY(-50%);
}
.course-content__item-title,
.structure-content__item-title {
    font-style: normal;
    font-weight: bold;
    font-size: 36px;
    line-height: 120%;
    text-transform: uppercase;
    color: #F2F2F2;
    overflow: hidden;
    position: relative;
}
.course-content__item-title > span,
.structure-content__item-title > span{
    display: block;
    opacity: 0;
    position: relative;
    transition: 400ms ease-out;
}
.course-content__item--1 .course-content__item-title > span {
    transform: translate(100%, 0);
}
.course-content__item--2 .course-content__item-title > span {
    transform: translate(-100%, 0);
}
.course-content__item--3 .course-content__item-title > span {
    transform: translate(100%, 0);
}
.course-content__item--active .course-content__item-title > span {
    transform: translate(0, 0);
    opacity: 1;
}

/* Images */
.course-images__wrap,
.structure-images__wrap {
    order: 0;
    flex: 0 0 100%;
    width: 100%;
    pointer-events: none;
    position: relative;
    z-index: 1;
}
.course-images__screen,
.structure-images__screen {
    list-style: none;
    height: 100vh;
    height: var(--viewport-height);
    width: 100%;
    overflow: hidden;
    contain: strict;
    padding: 50px 0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.course-image__wrap,
.structure-image__wrap {
    position: absolute;
    top:0;
    right: 0px;
    display: block;
    background: #000;
}
.course-image--2 img,
.course-image--3 img {
    opacity: 0.5;
}

.course-image,
.structure-image {
    position: relative;
    width: 800px;
    height: 575px;
    background: #000;
    pointer-events: none;
    background: url("../images/courses/course-mask.svg") no-repeat;
    background-position: left bottom;
    background-size: 400px 500px;
}
.course-image .course-content__item-title,
.structure-image .structure-content__item-title {
    display: none;
}
/* Description */
.course-desc-container {
    padding: 175px 15px 200px 330px;
    background: url("../images/stars/yellow-big.svg") 0% 47% no-repeat,
    url("../images/stars/green-big.svg") 94% 11% no-repeat,
    url("../images/stars/yellow-small.svg") 86% 61% no-repeat;
}
.course-section__desc {
    width: 100%;
    font-size: 44px;
    line-height: 54px;
    color: #F2F2F2;
    margin: 0 auto;
}
.course-section__desc span {
    color: #F2C94C;
}

/* ---------------------------------------- Structure ---------------------------------------- */

.structure-container {
    padding: 28px 0 50px 330px;
}
.structure__background {
    background: url("../images/stars/yellow-big.svg") 80% 26% no-repeat,
    url("../images/stars/green-small.svg") 90% 80% no-repeat,
    url("../images/stars/yellow-small.svg") 9% 95% no-repeat,
    url("../images/stars/green-big.svg") 99% 9% no-repeat;
}
.structure-title {
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0), black );
    padding: 15px 0 50px 330px;
}
.structure-content__item {
    left: 780px;
    top: 51%
}
.structure-content__item-title {
    padding-left: 50px;
    font-size: 24px;
    line-height: 29px;
    color: white;
}
.structure-content__item-title::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 1px solid white;
    position: absolute;
    left: 7px;
    top: 5px;
    opacity: 0;
    transform: rotate(0);
    transition: 400ms;
}
.structure-content__item--active .structure-content__item-title::before {
    opacity: 1;
    transform: rotate(45deg);
}
.structure-content__item-title .highlight{
    color: #EBC409;
}
.structure-content__item--1 .structure-content__item-title > span {
    transform: translate(0, 100%);
}
.structure-content__item--2 .structure-content__item-title > span {
    transform: translate(0, -100%);
}
.structure-content__item--3 .structure-content__item-title > span {
    transform: translate(0, 100%);
}
.structure-content__item--active .structure-content__item-title > span {
    transform: translate(0, 0);
    opacity: 1;
}
.structure-images__screen {
    justify-content: flex-start;
}
.structure-image--1 img {
    opacity: 0.5;
}
.structure-image--2 img {
    opacity: 0.7;
}
.structure-image--3 img {
    opacity: 0.4;
}
.structure-image {
    height: 507px;
    width: 670px;
    background-position: right top;
    background: none;
    position: relative;
}
.structure-image::before {
    content: '';
    width: 400px;
    height: 500px;
    position: absolute;
    top:0;
    right: 0;
    background: url("../images/courses/course-mask.svg") center no-repeat;
    background-size: cover;
    transform: scale(1,-1);
}
.structure-image__wrap {
    left: 0;
    right: auto;
    bottom: 0;
    top: auto;
    z-index: 2;
}


/* ---------------------------------------- Lectures ---------------------------------------- */

#lecturersSection {
    width: 100vw;
    overflow: hidden;
    padding: 45px 0 45px;
    box-sizing: border-box;
    min-height: 100vh;
}
.lecturers-container {
    overflow: hidden;
    padding-bottom: 100px;
    background: url("../images/stars/yellow-big.svg") 79% 0% no-repeat,
    url("../images/stars/yellow-small.svg") 9% 80% no-repeat,
    url("../images/stars/green-big.svg") 60% 90% no-repeat;
}
.lecturers__title {
    padding-left: 330px;
    margin-bottom: 5vh;
}
.lecturers-wrap {
    height: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    padding-left: 330px;
}

.lecturer-box {
    width: 280px;
    min-width: 280px;
    margin-right: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}
.lecturer-box .lecturer-info {
    text-align: center;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: flex-start;
    margin-top: 10px;
    width: 100%;
}

.lecturer-name {
    background: url("../images/lecturers/lecturer-name-bg.svg") left center no-repeat;
    background-size: auto 100%;
    font-weight: bold;
    font-size: 24px;
    line-height: 45px;
    text-align: center;
    text-transform: uppercase;
    color: black;
    display: inline-block;
    height: 45px;
    padding: 0 10px 0 20px;

}
.lecturer-position {
    font-size: 18px;
    line-height: 1.3;
    background: white;
    color: black;
    max-width: 90%;
    text-align: center;
    padding: 5px 10px;
    margin-top: 5px;
}
.lecturer-box--1 .lecturer-info{
    transform: rotate(-0.75deg);
}
.lecturer-box--2 .lecturer-info{
    transform: rotate(0.90deg);
}
.lecturer-box--3 .lecturer-info{
    transform: rotate(-0.98deg);
}
.lecturer-box--4 .lecturer-info{
    transform: rotate(0.75deg);
}
.lecturer-box--5 .lecturer-info{
    transform: rotate(-0.80deg);
}
.lecturer-box--6 .lecturer-info{
    transform: rotate(0.80deg);
}


/* ---------------------------------------- Developers ---------------------------------------- */
.developers-container{
    padding: 50px 15px 200px 330px;
    background: url("../images/stars/yellow-big.svg") 93% 90% no-repeat,
    url("../images/stars/green-big.svg") 30% 87% no-repeat;

}
.developers__title {
    margin-bottom: 180px;
}
.developers-list {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 940px;
}



@media (max-width: 1365px) {
    .header-menu {
        left: 90px;
    }

    .main-container,
    .advantages-container,
    .course-desc-container {
        padding: 150px 15px 150px 300px;
    }

    .main-kassandra {
        width: 450px;
        height: 555px;
        top: 10%;
        right: 3%;
    }

    .course-content__item {
        left: 300px;
    }

    .structure-container {
        padding: 28px 0 50px 300px;
    }

    .structure-title {
        padding: 15px 0 50px 300px;
    }

    .structure-content__item {
        left: 700px;
    }
    .lecturers__title,
    .lecturers-wrap {
        padding-left: 300px;
    }

    .developers-container {
        padding: 50px 15px 150px 300px;
    }

}

@media (max-width: 1279px) {
    /* ---------------------------------------- Header ----------------------------------------*/
    .header-block--1 {
        width: 90px;
    }
    .header-block--3 {
        width: 260px;
    }
    .header-menu {
        left: 45px;
        top: 160px;
    }
    .header-menu__item--active.header-menu__item--main,
    .header-menu__item--active.header-menu__item--advantages {
        width: 110px;
    }
    .header-menu__item--active.header-menu__item--course {
        width: 150px;
    }
    .header-menu__item--active.header-menu__item--structure {
        width: 106px;
    }
    .header-menu__item--active.header-menu__item--lecturers {
         width: 90px;
    }
    .header-menu__item--active.header-menu__item--developers {
        width: 120px;
    }

    .header-menu__item--active {
        height: 45px;
    }
    .header-menu__item--active::before {
        width: 38px;
        height: 60px;
        left: -29px;
    }
    .header-menu__item {
        font-size: 14px;
    }

    /* ---------------------------------------- Main section ----------------------------------------*/

    .main-container {
        padding: 150px 15px 150px 210px;
    }
    .main__content {
        width: 540px;
    }
    .main-kassandra {
        width: 380px;
        height: 468px;
        top: 20%;
        right: 3%;
    }
    .main__title {
        margin-bottom: 23px;
    }
    .main__content-desc {
        margin-bottom: 47px;
    }

    /* ---------------------------------------- Advantages ---------------------------------------- */

    .advantages-container {
        padding: 100px 15px 100px 210px;
    }
    .advantage .advantage__icon {
        height: 60px;
    }
    .advantage .advantage__icon img{
        height: 100%;
        width: auto;
    }
    .advantage__desc {
        font-size: 18px;
    }
    .advantage--1, .advantage--3 {
        width: 50%;
    }
    .advantage--1 .advantage__icon,
    .advantage--3 .advantage__icon {
        width: 80px;
    }
    .advantage--2 .advantage__icon,
    .advantage--4 .advantage__icon {
        width: 110px;
    }

    /* ---------------------------------------- Courses ---------------------------------------- */
    .course-image {
        width: 577px;
        height: 423px;
        background-size: 300px 376px;
    }
    .course-image img {
        width: 527px;
        height: auto;
    }
    .course-content__wrap .course-content__item {
        left: 210px;
    }
    .course-desc-container {
        padding: 100px 15px 100px 210px;
    }
    .course-section__desc {
        font-size: 40px;
    }

    /* ---------------------------------------- Structure ---------------------------------------- */

    .structure-container {
        padding: 28px 0 50px 210px;
    }
    .structure-title {
        padding: 15px 0 50px 210px;
    }
    .structure-content__wrap .structure-content__item{
        left: 530px;
    }
    .structure-content__wrap .structure-content__item-title {
        max-width: 470px;
        width: 100%;
    }
    .structure-content__wrap .structure-content__item-title br{
        display: none;
    }

    .structure-image {
        width: 560px;
        height: 430px;
    }
    .structure-image img{
        width: 500px;
        height: auto;
    }
    .structure-image::before {
        width: 320px;
        height: 400px;
    }

    /* ---------------------------------------- Lectures ---------------------------------------- */

    #lecturersSection {
        width: auto;
        padding: 0;
        min-height: 0;
    }
    .lecturers__title, .lecturers-wrap {
        padding-left: 0;
    }
    .lecturers-container {
        padding: 100px 15px 50px 210px;
    }
    .lecturers-container {
        background: url("../images/stars/yellow-big.svg") 93% 1% no-repeat,
        url("../images/stars/green-big.svg") 10% 25% no-repeat,
        url("../images/stars/green-small.svg") 87% 51% no-repeat,
        url("../images/stars/yellow-small.svg") 90% 60% no-repeat,
        url("../images/stars/yellow-small.svg") 9% 80% no-repeat,
        url("../images/stars/green-big.svg") 73% 100% no-repeat;
    }
    .lecturers-wrap {
        flex-wrap: wrap;
    }

    .lecturer-box {
        margin: 0 50px 50px 0;
    }
    .lecturer-box:nth-child(2n) {
        margin-right: 0;
    }

    /* ---------------------------------------- Developers ---------------------------------------- */

    .developers-container {
        padding: 50px 15px 0px 210px;
    }
    .developers__title {
        margin-bottom: 160px;
    }

    .developer--1 img{
        width: 70px;
    }
    .developer--2 img{
        width: 180px;
    }
    .developer--3 img{
        width: 142px;
    }

    /******/
    .pin-spacer, #lecturersSection {
        width: auto !important;
        height: auto !important;
        position: static !important;
        padding: 0 !important;
        transform: translate3d(0px, 0, 0px) !important;
    }
    .lecturers-wrap {
        transform: translate3d(0px, 0, 0px) !important;
    }
    /*******/
}

@media (orientation: portrait) and (max-width: 1279px) {
    .course-image .course-content__item-title,
    .structure-image .structure-content__item-title {
        display: block;
    }
    .course-images__screen {
        height: 580px;
    }
    .course-content__item {
        opacity: 0;
    }
    .course-image .course-content__item-title {
        position: absolute;
        z-index: 4;
        left: -240px;
        top: 37%;
        transform: translateY(-50%);
    }
    .course-image .course-content__item-title span {
        opacity: 1;
    }

    .structure-content__item {
        opacity: 0;
    }
    .structure-images__screen {
        height: 580px;
        padding: 150px 0 0;
    }

    .structure-image .structure-content__item-title {
        position: absolute;
        z-index: 4;
        left: 350px;
        top: 35%;
        transform: translateY(-50%);
        max-width: 470px;
        width: 100%;
    }
    .structure-image .structure-content__item-title br{
        display: none;
    }
    .structure-image .structure-content__item-title::before {
        opacity: 1;
        transform: rotate(45deg);
    }
    .structure-image .structure-content__item-title span {
        opacity: 1;
    }

}

@media (max-width: 1023px) {
    .p-container {
        padding: 0 10px;
        box-sizing: border-box;
        max-width: 414px;
        margin: 0 auto;
    }
    .p-title {
        font-size: 30px;
        line-height: 36px;
    }
    /* ---------------------------------------- Header ----------------------------------------*/
    .header-block--1 {
        width: 70px;
    }
    .header-block--3 {
        width: 200px;
    }
    .header-donload-bar {
        height: 40px;
        background-size: auto 40px;
    }
    .header-donload-bar__line {
        height: 20px;
        line-height: 20px;
        left: 40px;
        top: 11px;
    }
    .header-donload-bar__warning {
        left: 26px;
        top: 31px;
    }
    .header__burger-menu {
        position: absolute;
        top: 19px;
        left: 15px;
        display: block;
        width: 40px;
        height: 20px;
        transition: 300ms;
        cursor: pointer;
    }
    .header__burger-menu--open .burger-menu__icon-bar:nth-child(1) {
        transform: rotate(45deg);
        top: -3px;
        left: 8px;
    }
    .header__burger-menu--open .burger-menu__icon-bar:nth-child(2) {
        width: 0;
        opacity: 0;
    }
    .header__burger-menu--open .burger-menu__icon-bar:nth-child(3) {
        transform: rotate(-45deg);
        top: 24px;
        left: 8px;
    }
    .burger-menu__icon-bar {
        display: block;
        position: absolute;
        height: 2px;
        border-radius: 3px;
        width: 37px;
        background: #EBC409;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: 0.25s;
    }
    .burger-menu__icon-bar:nth-child(1) {
        top: 0px;
        -webkit-transform-origin: left center;
        transform-origin: left center;
    }
    .burger-menu__icon-bar:nth-child(2) {
        top: 9px;
        -webkit-transform-origin: left center;
        transform-origin: left center;
    }
    .burger-menu__icon-bar:nth-child(3) {
        top: 17px;
        -webkit-transform-origin: left center;
        transform-origin: left center;
    }

    .header-menu {
        left: -300px;
        transition: 300ms;
    }
    .header-menu--open {
        top: 133px;
        left: 55px;
    }


    .header-menu__item {
        font-style: normal;
        font-weight: normal;
        font-size: 18px;
        line-height: 22px;
        text-align: center;
        text-transform: uppercase;
        color: black;
        height: 35px;
        background-repeat: no-repeat;
        background-position: left center;
        background-size: cover;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 5px;
        margin-bottom: 5px;
        position: relative;
        cursor: pointer;
        transition: height 200ms;
    }
    .header-menu__item:hover {
        color: #E5C514;
    }
    .header-menu__item--active {
        height: 47px;
        font-weight: bold;
        padding: 10px;
        margin-left: -12px;
        background-size: 100% 100%;
    }
    .header-menu__item--active:hover {
        color: black;
    }
    .header-menu__item--main {
        background-image: url("../images/menu/default/main.svg");
    }
    .header-menu__item--active.header-menu__item--main {
        width: 131px;
        background-image: url("../images/menu/active/main.svg");
    }
    .header-menu__item--advantages {
        background-image: url("../images/menu/default/advantages.svg");
    }
    .header-menu__item--active.header-menu__item--advantages {
        width: 131px;
        background-image: url("../images/menu/active/advantages.svg");
    }
    .header-menu__item--course {
        background-image: url("../images/menu/default/course.svg");
    }
    .header-menu__item--active.header-menu__item--course {
        width: 187px;
        padding: 0;
        background-image: url("../images/menu/active/course.svg");
    }
    .header-menu__item--structure {
        background-image: url("../images/menu/default/structure.svg");
    }
    .header-menu__item--active.header-menu__item--structure {
        width: 127px;
        background-image: url("../images/menu/active/structure.svg");
    }
    .header-menu__item--lecturers {
        background-image: url("../images/menu/default/lecturers.svg");
    }
    .header-menu__item--active.header-menu__item--lecturers {
        width: 108px;
        background-image: url("../images/menu/active/lecturers.svg");
    }
    .header-menu__item--developers {
        background-image: url("../images/menu/default/developers.svg");
    }
    .header-menu__item--active.header-menu__item--developers {
        width: 146px;
        background-image: url("../images/menu/active/developers.svg");
    }



    .header-container {
        background: rgba(0,0,0,0);
        transition: 300ms;
        width: 100vw;
        max-width: 100vw;
    }
    .header-container--open {
        position: fixed;
        left: 0;
        top: 0;

        height: 100vh;
        background: rgba(0,0,0,0.9);
        z-index: 10;
    }

    /* ---------------------------------------- Main section ----------------------------------------*/

    .main-container {
        padding: 255px 15px 100px;
        max-width: 414px;
        margin: 0 auto;
    }
    .main__content {
        width: 100%;
        position: relative;
        z-index: 2;
    }
    .main-kassandra {
        width: 170px;
        height: 209px;
        top: 70px;
        left: 25px;
        z-index: 1;
        transform: none !important;
    }
    .main__title {
        font-size: 36px;
        text-align: center;
        margin-bottom: 15px;
    }
    .main__content-desc {
        font-size: 18px;
        margin-bottom: 20px;
    }
    .main__content-button {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 30px;
    }
    .main__content-button .p-button{
        width: 100%;
        max-width: 375px;
    }


    /* ---------------------------------------- Advantages ---------------------------------------- */

    .advantages-container {
        padding: 100px 15px 0px;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }
    .advantage {
        width: 100%;
    }
    .advantage .advantage__icon {
        width: 100px;
        min-width: 100px;
        height: 57px;
        justify-content: center;
        margin-right: 20px;
    }

    /* ---------------------------------------- Courses ---------------------------------------- */
    .course-container {
        padding-top: 80px;
    }
    .course-image {
        width: 250px;
        height: 180px;
        background-size: 130px 160px;
    }
    .course-image img {
        width: 230px;
        height: auto;
    }
    .course-content__wrap .course-content__item {
        opacity: 0;
    }
    .course-desc-container {
        padding: 80px 15px 0;
    }
    .course-section__desc {
        font-size: 24px;
        line-height: 29px;
    }

    .course-image .course-content__item-title,
    .structure-image .structure-content__item-title {
        display: block;
    }
    .course-images__screen {
        height: 300px;
    }
    .course-content__item {
        opacity: 0;
    }
    .course-image .course-content__item-title {
        position: absolute;
        z-index: 4;
        left: auto;
        right: 0;
        top: 43%;
        width: 90vw;
        max-width: 375px;
        transform: translateY(-50%);
        font-size: 18px;
        line-height: 22px;
    }
    .course-image .course-content__item-title span {
        opacity: 1;
    }


    /* ---------------------------------------- Structure ---------------------------------------- */

    .structure-container {
        padding: 28px 15px 50px;
    }
    .structure-title {
        padding: 45px 15px 50px 30px;
    }

    .structure-image {
        width: 345px;
        height: auto;
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        flex-direction: column;
        padding-top: 30px;
    }
    .structure-image__wrap {
        position: static;
        margin-bottom: 30px;
    }
    .structure-image img{
        width: 303px;
        height: auto;
    }
    .structure-image::before {
        width: 194px;
        height: 256px;
        top: 0;
        right: 0;
    }

    .structure-content__wrap {
        width: 100vw;
        max-width: 414px;
    }
    .structure-content__item {
        opacity: 0;
    }
    .structure-images__wrap {
        padding-top: 100px;
    }
    .structure-images__screen {
        height: 460px;
        padding: 0;
    }

    .structure-image .structure-content__item-title {
        position: relative;
        z-index: 4;
        left: auto;
        top: auto;
        transform: translateY(0);
        max-width: 470px;
        width: 100%;
        font-size: 18px;
        line-height: 22px;
    }
    .structure-image .structure-content__item-title br{
        display: none;
    }
    .structure-image .structure-content__item-title::before {
        opacity: 1;
        transform: rotate(45deg);
    }
    .structure-image .structure-content__item-title span {
        opacity: 1;
    }

    /* ---------------------------------------- Lectures ---------------------------------------- */

    #lecturersSection {
        width: auto;
        padding: 0;
        min-height: 0;
    }
    .lecturers__title, .lecturers-wrap {
        padding-left: 0;
    }
    .lecturers__title {
        max-width: 414px;
        margin: 0 auto 40px;
    }
    .lecturers-container {
        padding: 80px 15px 50px;
        max-width: 100%;
    }
    .lecturers-wrap {
        flex-wrap: wrap;
        justify-content: center;
    }
    .lecturer-box {
        margin: 0 25px 50px;
    }
    .lecturer-box:nth-child(2n) {
        margin-right: 0;
    }

    /* ---------------------------------------- Developers ---------------------------------------- */

    .developers-container {
        padding: 50px 15px 0px;
    }
    .developers__title {
        margin-bottom: 100px;
    }

    .developer--1 img{
        width: 47px;
    }
    .developer--2 img{
        width: 120px;
    }
    .developer--3 img{
        width: 94px;
    }

    /******/
    .pin-spacer, #lecturersSection {
        width: auto !important;
        height: auto !important;
        position: static !important;
        padding: 0 !important;
        transform: translate3d(0px, 0, 0px) !important;
    }
    .lecturers-wrap {
        transform: translate3d(0px, 0, 0px) !important;
    }
    /*******/
}

.developer.developer--2 img {
    width: 11em;
}

.lecturer-box img {
    width: 100%;
    height: 100%;
}