.header {
    box-shadow: 0px 4px 4px 0px #2C2A2A05;
    border: 1px solid #E6E4E4;
    font-family: 'Factor A', sans-serif;
    margin-bottom: 2px;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-left: auto;
    margin-right: auto;
    max-width: 1245px;
    padding-top: 14px;
    padding-bottom: 9px;
}

.nav-list {
    display: flex;
    list-style: none;
    font-size: 18px;
    font-weight: 500;
    height: 100%;
    align-items: center; 
}

.burger__menu {
    display: none;
}

.nav-list__item {
    height: 100%;
}

.nav-list__item:not(:last-child){
    margin-right: 25px;
}

.nav-list__link {
    text-decoration: none;
    color: #222222;
    height: 100%; 
    display: flex; 
    align-items: center;
    position: relative; 
    padding: 0 5px; 
    box-sizing: border-box; 
}

.nav-list__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -27px;
    width: 100%;
    height: 2px;
    background-color: #15C678;
    transform: scaleX(0);
}

.nav-list__link:hover::after {
    transform: scaleX(1);
}

.burger-menu {
    display: none;
}

.container {
    max-width: 1245px;
    margin-left: auto;
    margin-right: auto;
}

.students-section__container {
    font-family: 'Halvar', sans-serif;
    background: url(../images/students_images/main-background.png) center center;
    margin-bottom: 73px;
}

.students-label p{
    margin: 0;
    color: #FFFFFF;
    font-size: 130px;
    font-weight: 800;
    letter-spacing: 4px;
}

.students-label {
    line-height: 1;
    max-width: 800px;
}

.students-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 139px;
    position: relative;
    padding-bottom: 149px;
}

.students-decoration {
    position: absolute;
    right: -81px;
    bottom: 1px;
}

.outer__container {
    background: linear-gradient(90deg, #15C678 0%, #44E0AF 100%);
}

.inner-container {
    background: url(../images/numbers1.png) left top no-repeat;
}

.inner-two-container {
    background: url(../images/numbers2.png) right top no-repeat;
}

.outer__container--cybersecurity {
    margin-bottom: 36px;
}

.cybersecurity__header {
    font-family: 'Halvar', sans-serif;
}

.cybersecurity__title {
    color: #FFFFFF;
    font-size: 50px;
    font-weight: 800;
}

.cybersecurity--green {
    color: #05544B;
}

.cybersecurity__wrapper {
    display: flex;
    justify-content: space-between;
    padding-top: 60px;
    padding-bottom: 70px;
    position: relative;
}

.cybersecurity__title {
    margin: 0;
}

.cybersecurity__graphic {
    position: absolute;
    right: -37px;
    top: 40px;
}

.container--cybersecurity {
    margin-bottom: 38px;
}

.cyber-promo-text__container {
    margin-bottom: 67px;
}

.cyber-promo-text {
    font-family: 'Factor A', sans-serif;
    font-size: 20px;
    font-weight: 700;
    position: relative;
    padding-left: 38px;
    color: #343434;
    max-width: 1000px;
    line-height: 1.25;
}

.cyber-promo-text p {
    margin: 0;
}

.cyber-promo-text::before {
    content: "";
    position: absolute;
    left: -10px;
    top: -15px;
    bottom: -15px;
    width: 10px; 
    background-color: #1DCA81; 
}

.categories {
    display: grid;
    grid-template-columns: 600px 600px;
    justify-content: space-between;
    font-family: 'Halvar', sans-serif;
    font-size: 35px;
}

.category-card {
    max-width: 598px;
    margin-bottom: 28px;
    border: 1px solid #E6E4E4;
    text-decoration: none;
    transition: transform 0.3s ease; 
}

.category-card:hover {
    box-shadow: 5px 5px 0px #F51691;
    border: #E6E4E4;
    transform: scale(1.02);
}

.category-card__content {
    background: url(../images/category-background.png) no-repeat center;
    padding: 16px 0 19px 39px;
    z-index: 3;
    position: relative;
}

.category-card__title {
    color: #040404;
    margin: 0;
}

.category-card__img-container {
    max-height: 407px;
}

.outer__container--cybersecurity-info {
    margin-bottom: 54px;
}

.cybersecurity-info__header {
    font-family: 'Halvar', sans-serif;
}

.cybersecurity-info__title {
    color: #FFFFFF;
    font-size: 50px;
    font-weight: 800;
}

.cybersecurity-info--green {
    color: #05544B;
}

.cybersecurity-info__wrapper {
    display: flex;
    justify-content: space-between;
    padding-top: 66px;
    padding-bottom: 70px;
    position: relative;
}

.cybersecurity-info__title {
    margin: 0;
}

.cybersecurity-info__graphic {
    position: absolute;
    right: -8px;
    top: 10px;
}

.cyber-materials__wrapper {
    margin-bottom: 104px;
}

.cyber-materials__content {
    font-family: 'Factor A', sans-serif;
    font-size: 20px;
    font-weight: 700;
    position: relative;
    padding-left: 38px;
    color: #343434;
    max-width: 890px;
    line-height: 1.25;
}

.cyber-materials__content p {
    margin: 0;
}

.cyber-materials__content::before {
    content: "";
    position: absolute;
    left: 7px;
    top: -21px;
    bottom: -19px;
    width: 10px; 
    background-color: #1DCA81; 
}

.container--cyber-materials .owl-carousel {
    margin-bottom: 26px;
}

.container--cyber-materials .slide {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 21px 36px;
    padding-left: 2px;
    padding-right: 2px;
}

.card-info {
    font-family: 'Halvar', sans-serif;
    flex: 1;
    min-width: calc(16.666% - 10px);
    border: 1px solid #D1CFCF;
    display: flex;
    flex-direction: column;
}

.card-info__content {
    background: url(../images/category-background.png) no-repeat center;
    flex-grow: 1;
    display: flex;
    align-items: center;
    padding: 11px 16px 11px 25px;
}

.card-info__title {
    color: #525252;
    margin: 0;
}

.container--cyber-materials {
    margin-bottom: 110px;
}

.first-slider-nav {
    display: flex;
    justify-content: center;
    gap: 35px;
}

.first-slider-prev {
    border: none;
    background: #346EFF;
    padding: 20px 13px;
    cursor: pointer;
}

.first-slider-prev:hover {
    background: #10CF90;
}

.first-slider-next {
    border: none;
    background: #346EFF;
    padding: 20px 13px;
    cursor: pointer;
}

.first-slider-next:hover {
    background: #10CF90;
}

.outer__container--advice {
    background: #3783E7;
}

.inner-container__advice {
    background: url(../images/students_images/numbers1.png) left top no-repeat;
}

.inner-two-container__advice {
    background: url(../images/students_images/numbers2.png) right top no-repeat;
}

.advice__wrapper {
    display: flex;
    position: relative;
    padding-top: 30px;
    padding-bottom: 37px;
}

.advice__header {
    color: #FFFFFF;
    max-width: 770px;
}

.advice__title {
    font-family: 'Halvar', sans-serif;
    margin: 0;
    font-size: 50px;
    font-weight: 800;
    margin-bottom: 20px;
}

.advice__header p {
    font-family: 'Factor A', sans-serif;
    margin: 0;
    font-size: 20px;
}

.advice__graphic {
    position: absolute;
    right: -32px;
    top: -80px;
}

.outer__container--video-cards {
    background: #1D1036;
    padding-top: 74px;
    padding-bottom: 40px;
    margin-bottom: 38px;
}

.second-slider {
    margin: 0 auto;
    margin-bottom: 47px;
}

.second-slider .item {
    font-family: 'Halvar', sans-serif;

    color: #FFFFFF;

    text-align: center;
    display: flex;
    max-width: 610px;
    position: relative;
    max-height: 100%;

    box-sizing: border-box;
}

.second-slider-nav {
    text-align: center;
}

.video-card__title {
    font-size: 45px;
    margin: 0;
    max-width: 340px;
    text-align: left;
}

.video-card__header {
    position: absolute;
    padding-top:21px;
    padding-left:41px;
}

.video-card__controls {
    position: absolute;
    bottom: 114px;
    left: 155px;
}

.video-card__play-button {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: none;
    background: #AB3DF4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 20px;
    cursor: pointer;
}

.video-card__play-icon {
    width: 46px !important;
}

.second-slider-nav {
    display: flex;
    justify-content: center;
    gap: 31px;
}

.second-slider-prev {
    border: none;
    background: #346EFF;
    padding: 20px 13px;
    cursor: pointer;
}

.second-slider-prev:hover {
    background: #5958FC;
}

.second-slider-next {
    border: none;
    background: #346EFF;
    padding: 20px 13px;
    cursor: pointer;
}

.second-slider-next:hover {
    background: #5958FC;
}

.ib-skills__wrapper {
    font-family: 'Halvar', sans-serif;
    position: relative;
    padding-top: 61px;
    padding-bottom: 70px;
}

.ib-skills__title {
    font-size: 50px;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0;
}

.ib-skills--green {
    color: #05544B;
}

.ib-skills__graphic {
    position: absolute;
    right: 0;
    top: -3px;
}

.outer__container--ib-skills {
    margin-bottom: 40px;
}

.skills__list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.skills-card {
    position: relative;
    color: #FFFFFF;
    display: block;
    width: 100%;
    height: 100%;
}

.skills-card__image-wrap {
    position: absolute;
    right: -36px;
    top: 30px;
}

.skills-card_wrapper {
    position: relative;
    padding: 17px 36px;
}

.skills-card__wrapper--first {
    background-color: #02A345;
    grid-column: span 2;
    max-width: 724px;
    width: 100%;
}

.skills-card__wrapper--second {
    background-color: #62A6FF;
    width: 353px;
    max-width: 100%;
}

.skills-card--second__background {
    background: url(../images/students_images/skills_background.png) center no-repeat;
    
}

.skills-card__wrapper--third {
    background-color: #8956FF;
    grid-column: 1 / -1;
    padding: 38px 40px;
}

.skills-card__subtitle {
    font-family: 'Halvar', sans-serif;
    margin: 0;
    font-size: 25px;
    font-weight: 800;
}

.skills-card__title {
    font-family: 'Halvar', sans-serif;
    font-size: 40px;
    font-weight: 800;
}

.skills-card__text {
    font-family: 'Factor A', sans-serif;
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
}

.skills-card__title-wrap {
    display: inline-block;
    border: 2px solid #FFFFFF;
    padding: 10px 20px;
    line-height: 1;
    margin-bottom: 16px;
}

.skills-card--first .skills-card__heading-wrap {
    max-width: 500px;
    margin-bottom: 40px;
}

.skills-card--first .skills-card__description {
    max-width: 470px;
}

.skills-card--second .skills-card__title{
    font-size: 30px;
}

.skills-card--second .skills-card__heading-wrap {
    margin-bottom: 23px;
}

.skills-card--third .skills-card__heading-wrap {
    max-width: 635px;
    margin-bottom: 22px;
}

.skills-card--third .skills-card__description {
    max-width: 635px;
    
}

.skills-card--third .skills-card__image-wrap {
    top: 8px;
}

.container__skills {
    margin-bottom: 74px;
}

@media (max-width: 1410px) {
    .students-decoration {
        right: 0px;
    }
}

@media (max-width: 1371px) {
    .header__container {
        padding-left: 20px;
        padding-right: 20px; 
        max-width: -webkit-fill-available;
        width: 100%;
    }
}

@media (max-width: 968px) {
    .nav-list {
        font-size: 15px;
    }
}

@media (max-width: 868px) {
    .header__nav {
        display: none;
    }
    .burger-menu {
        display: inline-block;
        cursor: pointer;
        background-color: #000000;
        border: 2px solid #32D69A;
        border-radius: 5px;
    }
    .burger-menu__button {
        position: relative;
        width: 43px;
        height: 41px;
    }
    .burger-menu__lines,
    .burger-menu__lines::before,
    .burger-menu__lines::after {
        position: absolute;
        width: 30px;
        height: 3px;
        background-color: #FFFFFF;
        transition: all 0.3s ease;
        border-radius: 5px;
    }
    .burger-menu__lines {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    .burger-menu__lines::before {
        content: '';
        top: -8px;
    }
    .burger-menu__lines::after {
        content: '';
        top: 8px;
    }
    .header {
        margin-bottom: 0;
    }
    .header__container {
        padding-bottom: 37px;
    }
}
@media (max-width: 1270px) {
    .categories {
        grid-template-columns: 600px;
        justify-content: center;
    }
}
@media (max-width: 720px) {
    .categories {
        grid-template-columns: 100%;
    }
}
@media (max-width: 550px) {
    .categories {
        gap: 22px;
    }
    .categories__container {
        margin-bottom: 26px;
    }
    .category-card {
        max-width:100%;
    }
}
@media(max-width: 1160px) {
    .cybersecurity__title {
        font-size: 45px;
    }
}

@media (max-width: 1025px) {
    .cybersecurity__title {
        font-size: 35px;
    }
}
@media (max-width: 968px) {
    .cybersecurity__title {
        font-size: 35px;
    }
    .cybersecurity__title span {
        display:block;
    }
    .cybersecurity-img {
        width:100px;
        margin-right:25px;
    }
}
.advice_mobile_text {
    display:none;
}
@media(max-width: 862px) {
    .advice__title {
        font-size:28px;
    }
    .advice__header p {
        font-size:14px;
        max-width:282px;
    }
    .advice-img {
        width:108px;
    }
    .advice__graphic {
        position:absolute;
        top: 16px;
        right: 4px
    }
    .inner-container__advice {
        background:none;
    }
    .inner-two-container__advice {
        background-position: 317px  0;
    }
    .advice_mobile_text {
        display: block;
    }
    .advice_desktop {
        display:none;
    }
    .video-card__title {
        font-size:16px;
    }
    .video-card__header {
        padding-left:19px;
        max-width: 70%;
    }
    .skills__list {
        grid-template-columns: 1fr;
        gap:20px 0px;
    }
    .skills-card__wrapper--first {
        width:100%;
    }
    main {
        max-width: 100%;
        overflow:hidden;
    }
    .skills-card__wrapper--second {
        width:100%;
    }
    .container__skills {
        box-sizing: border-box;
    }
    .skills-card_wrapper {
        box-sizing: border-box;
    }
}