/*
CSS navigation:
1. global
2. header
3. hero section
4. about section
5. advantages section
6. stages section
7. categories section
8. instructors section
9. documents section
10. reviews section
11. final CTA section
12. footer
13. request form
*/

@media screen and (max-width: 1200px) {
    /*header*/
    .site-header__nav {
        gap: 34px;
    }
    /*header*/

    /*hero section*/
    .hero__title {
        font-size: 60px;
    }
    /*hero section*/

    /*final CTA section*/
    .final-cta__title {
        font-size: 60px;
    }
    /*final CTA section*/
}

@media screen and (max-width: 1023px) {
    /*categories section*/
    .categories__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        padding-top: 76px;
        padding-bottom: 80px;
    }

    .categories__description {
        max-width: 620px;
        font-size: 30px;
    }

    .categories__tabs {
        margin: 54px auto 0 auto;
    }

    .categories__card {
        justify-self: center;
        margin-top: 64px;
    }
    /*categories section*/

    /*instructors section*/
    .instructors__inner {
        padding-top: 76px;
        padding-bottom: 96px;
    }

    .instructors__heading {
        grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
        gap: 40px;
    }

    .instructors__description {
        font-size: 13px;
    }
    /*instructors section*/

    /*documents section*/
    .documents__list {
        gap: 38px;
    }

    .documents__item {
        grid-template-columns: 92px minmax(0, 1fr);
        gap: 16px;
    }

    .documents__icon {
        width: 86px;
    }

    .documents__text {
        font-size: 19px;
    }
    /*documents section*/

    /*reviews section*/
    .reviews,
    .reviews__inner {
        min-height: 850px;
    }

    .reviews__background {
        width: 1000px;
        bottom: -67px;
    }

    .reviews__navigation {
        top: 345px;
        right: 30px;
        left: 30px;
    }
    /*reviews section*/
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
    /*advantages section*/
    .advantages__card {
        padding:
            clamp(32px, 4.2vw, 43px)
            clamp(16px, 2.5vw, 26px)
            clamp(22px, 3vw, 28px)
            clamp(46px, 5.8vw, 60px);
    }

    .advantages__card-title {
        font-size: clamp(16px, 1.85vw, 19px);
    }

    .advantages__card-icon {
        right: calc(100% + clamp(8px, 1vw, 12px));
        width: clamp(26px, 2.9vw, 30px);
        height: auto;
    }

    .advantages__card-text {
        margin-top: clamp(12px, 1.75vw, 18px);
        font-size: clamp(12px, 1.37vw, 14px);
        line-height: 1.5;
    }
    /*advantages section*/
}

@media screen and (max-width: 767px) {
    /*advantages section*/
    .advantages__inner {
        padding-top: 54px;
        padding-bottom: 76px;
    }

    .advantages__title {
        font-size: 52px;
    }

    .advantages__scheme {
        --rail-x: 30px;
        max-width: 650px;
        margin: 68px auto 0;
    }

    .advantages__scheme::before {
        content: "";
        position: absolute;
        z-index: 0;
        top: 103px;
        bottom: 103px;
        left: calc(var(--rail-x) - 6px);
        width: 12px;
        background-color: #505050;
    }

    .advantages__rails {
        display: none;
    }

    .advantages__list {
        grid-template-columns: 90px minmax(0, 1fr);
        column-gap: 0;
        row-gap: 30px;
    }

    .advantages__card {
        grid-column: 2;
        min-height: 206px;
    }

    .advantages__card::before {
        content: "";
        position: absolute;
        z-index: -1;
        top: 50%;
        right: 100%;
        width: 68px;
        height: 12px;
        background-color: #505050;
        transform: translateY(-50%);
    }

    .advantages__arm {
        width: 70px;
        height: 70px;
    }
    /*advantages section*/

    /*instructors section*/
    .instructors__heading {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    .instructors__description {
        justify-self: start;
        max-width: 600px;
        text-align: left;
    }

    .instructors__slider-shell {
        margin-top: 60px;
    }

    .instructors__slider .swiper-slide-active .instructor-card {
        transform: translateY(18px);
    }

    .instructors__navigation {
        margin-top: 70px;
    }
    /*instructors section*/

    /*documents section*/
    .documents {
        /*background-color: #000000;*/
    }

    .documents::before {
        height: 602px;
        background-size: 2154px 602px;
    }

    .documents__inner {
        padding-top: 70px;
        padding-bottom: 64px;
    }

    .documents__list {
        grid-template-columns: minmax(0, 295px);
        justify-content: end;
        gap: 42px;
        margin-top: 58px;
    }

    .documents__item {
        width: 100%;
        grid-template-columns: 105px minmax(0, 1fr);
        gap: 24px;
    }

    .documents__icon {
        width: 96px;
        justify-self: start;
    }

    .documents__text {
        font-size: 21px;
    }
    /*documents section*/

    /*reviews section*/
    .reviews,
    .reviews__inner {
        min-height: 810px;
    }

    .reviews__inner {
        padding-top: 60px;
        padding-bottom: 92px;
    }

    .reviews__slider {
        width: 300px;
    }

    .reviews__image {
        width: 300px;
    }

    .reviews__navigation {
        top: 325px;
        right: 15px;
        left: 15px;
    }
    /*reviews section*/
}

@media screen and (max-width: 900px) {
    /*global*/
    .container {
        width: 100%;
    }
    /*global*/

    /*header*/
    .site-header {
        background-color: rgba(16, 16, 16, 0.88);
    }

    .site-header__toggle {
        display: block;
        flex: 0 0 44px;
        margin-left: auto;
    }

    .site-header__menu {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        width: 100%;
        padding: 8px 15px 16px;
        background-color: rgba(16, 16, 16, 0.94);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    }

    .site-header--open .site-header__menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
        height: calc(100dvh - var(--header-height, 64px));
        overflow-y: auto;
    }

    .site-header__nav {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
    }

    .site-header__nav > li {
        font-size: 22px;
    }

    .site-header__link > li {
        display: block;
        width: 100%;
        padding: 0;
        font-size: 22px;
    }

    .site-header__link > li > a {
        display: flex;
        align-items: center;
        width: 100%;
        min-height: 48px;
        padding: 0 5px;
    }

    .site-header__link > li::after {
        right: 5px;
        bottom: 0;
        left: 5px;
    }
    /*header*/

    /*hero section*/
    .hero {
        height: 830px;
    }

    .hero__content,
    .hero__content--right {
        width: min(100%, 520px);
        margin-left: 0;
        padding-top: 140px;
        text-align: left;
    }

    .hero__content--right {
        margin-left: auto;
        text-align: right;
    }

    .hero__title {
        font-size: 52px;
    }

    .hero__subtitle,
    .hero__content--right .hero__subtitle {
        margin-top: 30px;
        margin-bottom: 58px;
        font-size: 22px;
    }
    /*hero section*/

    /*final CTA section*/
    .final-cta {
        height: 760px;
        min-height: 760px;
    }

    .final-cta__content {
        width: min(100%, 520px);
        padding-top: 140px;
    }

    .final-cta__title {
        font-size: 52px;
    }

    .final-cta__subtitle {
        margin-top: 30px;
        margin-bottom: 58px;
        font-size: 22px;
    }
    /*final CTA section*/

    /*footer*/
    .site-footer__nav {
        gap: 24px;
    }

    .site-footer__links {
        gap: 22px;
        font-size: 11px;
    }
    /*footer*/

    /*about section*/
    .about__inner {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .about__logo {
        left: 0;
        width: 118px;
        height: auto;
        opacity: 0.5;
    }

    .about__content {
        padding-left: 100px;
    }

    .about__title {
        font-size: 52px;
    }

    .about__list {
        gap: 24px;
        margin-top: 58px;
    }

    .about__text {
        font-size: 15px;
    }
    /*about section*/

    /*advantages section*/
    .advantages__title {
        font-size: 48px;
    }
    /*advantages section*/

    /*stages section*/
    .stages__title {
        font-size: 52px;
    }

    .stages__item {
        grid-template-columns: 115px minmax(0, 1fr);
        flex-basis: 320px;
        padding: 22px 20px 22px 28px;
    }

    .stages__icon {
        width: 90px;
        max-height: 104px;
    }

    .stages__item-title {
        font-size: 18px;
    }
    /*stages section*/

    /*categories section*/
    .categories__title {
        font-size: 52px;
    }
    /*categories section*/

    /*instructors section*/
    .instructors__title {
        font-size: 52px;
    }
    /*instructors section*/

    /*documents section*/
    .documents__inner {
        padding-top: 100px;
    }

    .documents__title {
        font-size: 52px;
    }
    /*documents section*/


}

@media screen and (max-width: 620px) {
    /*global*/
    :root {
        --header-height: 60px;
    }
    /*global*/

    /*header*/
    .site-header__logo img {
        width: 122px;
        height: auto;
    }
    /*header*/

    /*global*/
    .button {
        min-width: 190px;
        min-height: 50px;
        padding: 12px 22px;
        font-size: 13px;
    }
    /*global*/

    /*hero section*/
    .hero {
        width: 100%;
        max-width: none;
        background-image: url("../img/ui/hero-slide-1.jpg");
        background-repeat: no-repeat;
        background-position: center bottom;
        background-size: auto 100%;
    }

    .hero {
        height: 606px;
    }

    .hero__track {
        display: none;
    }

    .hero__content-track {
        width: 100%;
        height: 100%;
        display: block;
        overflow: hidden;
        transform: none !important;
    }

    .hero__content-slide {
        position: absolute;
        inset: 0;
        flex: none;
        width: 100%;
        height: 100%;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.6s ease, visibility 0.6s ease;
    }

    .hero__content-slide.hero__content-slide--active {
        opacity: 1;
        visibility: visible;
    }

    .hero__inner {
        z-index: 1;
    }

    .hero__content,
    .hero__content--right {
        width: min(100%, 360px);
        margin-left: 0;
        padding-top: 118px;
        text-align: left;
    }

    .hero__title {
        font-size: 40px;
    }

    .hero__subtitle,
    .hero__content--right .hero__subtitle {
        margin-top: 22px;
        margin-bottom: 42px;
        font-size: 18px;
    }
    /*hero section*/

    /*final CTA section*/
    .final-cta {
        width: 100%;
        max-width: none;
        height: 760px;
        background-color: #ffffff;
        background-position: center bottom;
        background-size: auto 100%;
    }

    .final-cta__content {
        width: min(100%, 360px);
        padding-top: 118px;
    }

    .final-cta__title {
        font-size: 40px;
    }

    .final-cta__subtitle {
        margin-top: 22px;
        margin-bottom: 42px;
        font-size: 18px;
    }
    /*final CTA section*/

    /*footer*/
    .site-footer {
        min-height: 206px;
        margin-top: -206px;
        background-color: rgba(0, 0, 0, 0.16);
    }

    .site-footer__inner {
        padding-bottom: 14px;
    }

    .site-footer__nav {
        grid-template-columns: 1fr 1fr;
        gap: 14px 18px;
        min-height: 142px;
        padding-top: 12px;
    }

    .site-footer__logo {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .site-footer__logo img {
        width: 122px;
    }

    .site-footer__links {
        justify-content: center;
        gap: 14px;
        font-size: 10px;
    }

    .site-footer__links--left {
        grid-column: 1;
    }

    .site-footer__links--right {
        grid-column: 2;
    }

    .site-footer__bottom {
        flex-wrap: wrap;
        gap: 6px;
        padding-top: 10px;
        font-size: 10px;
    }
    /*footer*/

    /*about section*/
    .about__inner {
        padding-top: 48px;
        padding-bottom: 54px;
    }

    .about__logo {
        width: 200px;
        opacity: 0.14;
    }

    .about__content {
        padding-left: 0;
    }

    .about__title {
        font-size: 40px;
        text-align: center;
    }

    .about__list {
        grid-template-columns: 1fr;
        gap: 42px;
        margin-top: 46px;
    }

    .about__icon {
        width: 82px;
        height: 82px;
    }

    .about__item:nth-child(2) {
        margin-top: 0;
    }

    .about__item-title {
        font-size: 22px;
    }

    .about__text {
        font-size: 15px;
    }
    /*about section*/

    /*advantages section*/
    .advantages__inner {
        padding-top: 48px;
        padding-bottom: 60px;
    }

    .advantages__title {
        font-size: 40px;
    }

    .advantages__scheme {
        --rail-x: 24px;
        margin-top: 50px;
    }

    .advantages__scheme::before {
        top: 94px;
        bottom: 94px;
        left: calc(var(--rail-x) - 5px);
        width: 10px;
    }

    .advantages__list {
        grid-template-columns: 76px minmax(0, 1fr);
        row-gap: 24px;
    }

    .advantages__card {
        min-height: 188px;
        padding: 32px 18px 24px 48px;
    }

    .advantages__card::before {
        width: 59px;
        height: 10px;
    }

    .advantages__card-title {
        font-size: 16px;
    }

    .advantages__card-icon {
        right: calc(100% + 8px);
        width: 26px;
        height: 20px;
    }

    .advantages__card-text {
        margin-top: 14px;
        font-size: 13px;
    }

    .advantages__arm {
        width: 60px;
        height: 60px;
    }
    /*advantages section*/

    /*stages section*/
    .stages__inner {
        padding-top: 54px;
    }

    .stages__title {
        font-size: 40px;
    }

    .stages__scrollbar {
        height: 24px;
    }

    .stages__item {
        grid-template-columns: 100px minmax(0, 1fr);
        flex-basis: 290px;
        padding: 20px 16px 20px 20px;
    }

    .stages__icon {
        width: 82px;
        max-height: 94px;
    }

    .stages__item-title {
        font-size: 16px;
    }
    /*stages section*/

    /*categories section*/
    .categories__inner {
        padding-top: 58px;
        padding-bottom: 64px;
    }

    .categories__title {
        font-size: 40px;
    }

    .categories__description {
        grid-template-columns: 32px minmax(0, 1fr);
        gap: 10px;
        margin-top: 28px;
        font-size: 21px;
        line-height: 1.18;
    }

    .categories__description-icon {
        width: 28px;
        margin-top: 2px;
    }

    .categories__tabs {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 12px;
        width: 100%;
        margin-top: 42px;
    }

    .categories__tab {
        width: 100%;
        border-width: 2px;
    }

    .categories__tab-letter {
        font-size: clamp(44px, 14vw, 62px);
    }

    .categories__tab-badge,
    .categories__card-badge {
        top: -7px;
        right: -7px;
        width: 36px;
        height: 36px;
        font-size: 17px;
    }

    .categories__card {
        justify-self: auto;
        width: calc(100% + 30px);
        min-height: 600px;
        margin-top: 54px;
        margin-left: -15px;
        padding: 32px 24px;
    }

    .categories__card-category {
        flex-basis: 82px;
        width: 82px;
        height: 82px;
    }

    .categories__card-letter {
        font-size: 58px;
    }

    .categories__price {
        margin-left: 10px;
    }

    .categories__price-value {
        font-size: clamp(42px, 13vw, 54px);
    }

    .categories__price-currency {
        font-size: 28px;
    }

    .categories__program-title {
        margin-top: 42px;
        font-size: 24px;
    }

    .categories__program {
        margin-top: 20px;
        font-size: 13px;
    }

    .categories__button {
        width: min(100%, 252px);
    }
    /*categories section*/

    /*instructors section*/
    .instructors__inner {
        padding-top: 58px;
        padding-bottom: 76px;
    }

    .instructors__title {
        font-size: 40px;
    }

    .instructors__description {
        font-size: 13px;
        line-height: 1.5;
    }

    .instructors__slider-shell {
        margin-top: 48px;
    }

    .instructors__slider {
        width: min(290px, calc(100vw - 60px));
    }

    .instructor-card {
        width: 100%;
    }

    .instructor-card__photo {
        height: 178px;
    }

    .instructor-card__content {
        min-height: 178px;
        padding: 10px 24px 22px;
    }

    .instructor-card__name {
        font-size: 18px;
    }

    .instructor-card__details {
        font-size: 13px;
    }

    .instructors__navigation {
        gap: 12px;
        margin-top: 58px;
    }
    /*instructors section*/

    /*documents section*/
    .documents__title {
        font-size: 40px;
    }

    .documents__list {
        gap: 36px;
        margin-top: 48px;
    }

    .documents__item {
        grid-template-columns: 90px minmax(0, 1fr);
        gap: 18px;
    }

    .documents__icon {
        width: 82px;
        max-height: 106px;
    }

    .documents__text {
        font-size: 18px;
    }
    /*documents section*/

    /*reviews section*/
    .reviews,
    .reviews__inner {
        min-height: 780px;
    }

    .reviews__inner {
        padding-top: 52px;
        padding-bottom: 60px;
    }

    .reviews__slider {
        width: min(300px, calc(100vw - 48px));
    }

    .reviews__image {
        width: 100%;
    }

    .reviews__navigation {
        position: static;
        justify-content: center;
        gap: 24px;
        margin-top: 34px;
    }

    .reviews__background {
        width: 800px;
    }
    /*reviews section*/


    /*stages section*/
    .stages::before {
        bottom: -165px;
    }
    /*stages section*/



    /*request form*/
    .request-modal {
        place-items: start stretch;
        padding: 0;
    }

    .request-modal__dialog {
        width: 100%;
        min-height: 100dvh;
        max-height: none;
        padding: 68px 20px 28px;
        border: 0;
        border-radius: 0;
    }

    .request-modal__close {
        top: 12px;
        right: 12px;
    }

    .request-modal__heading {
        padding-right: 0;
    }

    .request-modal__title {
        font-size: 34px;
    }

    .request-modal__description {
        margin-top: 14px;
        font-size: 14px;
    }

    .request-form {
        margin-top: 28px;
    }

    .request-form__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .request-field--wide {
        grid-column: auto;
    }

    .request-form__footer {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
    }

    .request-form__submit {
        width: 100%;
    }

    .request-form__status {
        text-align: center;
    }
    /*request form*/
}

@media screen and (max-width: 499px) {
    /*reviews section*/
    .reviews__slider .reviews__image,
    .reviews__slider .swiper-slide-active .reviews__image {
        opacity: 1;
        transform: scale(1);
    }
    /*reviews section*/

    .reviews__background {
        width: 325px;
        bottom: 6px;
        left: 44%;
    }
    /*reviews section*/
}