* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Onest';
}

html {
    scroll-behavior: smooth
}

body {
    background: linear-gradient(90deg, #002147, #003B92);
}

html,
body {
    overflow-x: hidden;
}

.container {
    max-width: 1920px;
    padding: 0 48px;
    margin: 0 auto;
}

/* общие классы элементов */
.btn {
    display: inline-block;
    padding: 17px 20px 17px 24px;
    font-size: 20px;
    line-height: 24px;
    color: #003B92;
    text-decoration: none;
    font-weight: 500;
    background-color: #D2FC6B;
    border-width: 2px;
    border-style: solid;
    border-color: #D2FC6B;
    border-radius: 88px;
    transition: 0.2s all;
}

.btn_wrap {
    display: flex;
    justify-content: center;
}

.btn .btn_wrap {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
}

.wrap {
    margin: 80px 0;
    display: grid;
}

.wrap_item {
    padding: 32px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(7px);
}

.wrap_item .item_img {
    width: 120px;
    height: 120px;
    border-radius: 100%;
    overflow: hidden;
}

.wrap_item .item_img img {
    width: 100%;
    height: 100%;
}

.wrap_item .item_title {
    color: #fff;
    font-size: 32px;
    font-weight: 800;
}

.wrap_item .item_subtitle {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.wrap_item .item_descr {
    font-size: 24px;
    font-weight: 200;
    line-height: 32px;
    color: #fff;
}

.title {
    font-weight: 700;
    font-size: 80px;
    line-height: 96px;
    color: #fff;
    text-align: center;
}

.subttitle {
    line-height: 32px;
    font-weight: 200;
    color: #fff;
    font-size: 24px;
}

/* главный блок */
.main {
    position: relative;
}

.main .main_bg {
    position: absolute;
    z-index: -1;
}

.main_bg_left {
    top: 20%;
    left: -300px;
}

.main .main_bg_right {
    bottom: 0;
    right: -300px;
}

/* шапка */
.header {
    position: relative;
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 5;
}

.header .header_logo {
    display: block;
    height: 56px;
}

.header .header_logo img {
    height: 100%;
}

.header_menu {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.header_menu .menu_item {
    padding: 10px 20px;
    display: block;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 35px;
    transition: 0.2s all;
}

/* мобильное меню */
.mobail_menu {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: start;
    gap: 24px;
    z-index: 5;
}

.mobail_menu.show {
    display: flex;
}

.mobail_menu .menu_item {
    border: none;
    background-color: transparent;
    padding: 0;
    font-size: 18px;
    font-weight: 500;
}

.mobail_menu .menu_item-wrap {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.mobail_nav {
    display: none;
}

/* промо экран */
.promo {
    padding: 96px 0 200px 0;
    min-height: 500px;
}

.promo .promo_partner {
    display: flex;
    justify-content: center;
}

.promo .promo_partner .item_wrap {
    display: flex;
    gap: 24px;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 100px;
    padding: 16px 32px;
    flex-wrap: wrap;
}

.promo .promo_partner .partner_item {
    width: 64px;
    height: 64px;
    border-radius: 100%;
    overflow: hidden;
    cursor: pointer;
}

.promo .promo_partner .partner_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.promo .subttitle {
    margin-top: 64px;
    font-size: 32px;
    text-align: center;
}

.promo .title {
    margin-top: 32px;
    font-size: 160px;
}

.promo .promo_info {
    margin-top: 64px;
    color: #D2FC6B;
    text-align: center;
    font-size: 48px;
    font-weight: 700;
}

.promo .promo_btn {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 64px;
}

.promo .promo_btn .btn_prog {
    padding-left: 61px;
    padding-right: 65px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(255, 255, 255, 0.03);
    color: #fff;
}

/* блок about */
.about {
    position: relative;
}

.about .about_wrap {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about .about_wrap {
    margin: 0;
}

.about .about_wrap .wrap_item .item_img {
    height: auto;
    width: 160px;
    border-radius: 0;
}

.about .about_wrap .wrap_item .item_subtitle {
    font-size: 24px;
    margin-top: 48px;
}

.about .about_wrap .wrap_item .item_descr {
    margin-top: 12px;
}

.about .about_btn {
    margin-top: 48px;
}

/* блок спикеры */
.speaker {
    position: relative;
    padding-top: 200px;
}

.speaker .speaker_bg {
    position: absolute;
    z-index: -1;
}

.speaker_bg.right {
    top: 0;
    right: -400px;
}

.speaker_bg.left {
    bottom: 0;
    left: -400px;
}

.speaker .speaker_wrap {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.speaker .speaker_wrap .wrap_item .item_title {
    margin-top: 32px;
}

.speaker .speaker_wrap .wrap_item .item_subtitle {
    margin-top: 8px;
}

.speaker .speaker_wrap .wrap_item .item_descr {
    margin-top: 12px;
}

.speaker .speaker_info {
    text-align: center;
    color: #fff;
    font-weight: 700;
    font-size: 24px;
    line-height: 32px;
}

.speaker .speaker_btn {
    margin: 32px auto 64px auto;
}

/* блок "что будет" */
.plan {
    padding-top: 200px;
    position: relative;
    /* margin-top: 200px; */
}

.plan .plan_bg {
    position: absolute;
    z-index: -1;
}

.plan .plan_bg.right {
    top: 0;
    right: -200px;
}

.plan .plan_bg.left {
    bottom: 0;
    left: -200px;
}

.plan .plan_info {
    margin-top: 48px;
}

.plan .plan_info .info_wrap {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.plan .plan_info .info_wrap .info_item {
    padding: 9px 20px;
    border-radius: 46px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 24px;
    line-height: 36px;
    font-weight: 400;
    backdrop-filter: blur(7px);
}

.plan .plan_info .info_img {
    margin-top: 80px;
}

.plan .plan_info .info_img img {
    width: 100%;
    height: auto;
}

.instruction {
    margin: 80px 0;
}

.instruction .wrap {
    padding: 0 152px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.instruction .instruction_item {
    width: 356px;
}

.instruction .instruction_item .item_step {
    font-size: 100px;
    line-height: 110%;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

.instruction .instruction_item .item_desc {
    margin-top: 20px;
    color: #fff;
    font-size: 24px;
    font-weight: 200;
}

.instruction .instruction_item .item_desc span {
    color: #D2FC6B;
}

.plan_btn {
    margin-bottom: 64px;
}

/* блок программа конференции */
.programm {
    margin-top: 200px;
}

.programm .programm_wrap {
    position: relative;
}

.programm .programm_wrap .wrap_bg {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
}

.programm .programm_wrap .wrap_item .item_time {
    display: inline-block;
    padding: 14px 18px;
    font-size: 24px;
    color: #fff;
    line-height: 36px;
    font-weight: 400;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 46px;
}

.programm .programm_wrap .wrap_item .item_descr {
    margin-top: 24px;
    font-size: 32px;
    line-height: 36px;
    font-weight: 400;
}

.programm .programm_wrap .wrap_item .item_img {
    width: 64px;
    height: 64px;
}

.programm .programm_wrap .wrap_item .item_info {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 24px;
}

.programm .programm_wrap .wrap_item .item_title {
    font-weight: 700;
    font-size: 24px;
}

.programm .programm_wrap .wrap_item .item_subtitle {
    margin-top: 8px;
}

.programm .programm_wrap {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* блок организаторы */
.org {
    margin-top: 200px;
}

.org .org_logo {
    display: flex;
    justify-content: center;
}

.org .org_logo .wrap {
    margin: 80px 0 48px 0;
}

.org .org_logo .wrap_item {
    padding: 20px 64px;
}

.org .org_descr {
    text-align: center;
    color: #fff;
    font-size: 32px;
    font-weight: 400;
    line-height: 36px;
}

.org .org_btn {
    margin-top: 32px;
}

/* подвал */
.footer {
    margin-top: 200px;
    padding: 48px 0;
    background-color: #000;
}

.footer .container {
    padding: 0 32px;
}

.footer .footer_wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer .header_logo {
    height: 64px;
}

.footer .header_menu .menu_title {
    color: #fff;
    font-weight: 700;
    font-size: 24px;
    line-height: 32px;
    margin-right: 16px;
}

.footer .header_menu {
    display: flex;
}

.hide {
    display: none;
}

.show {
    display: block;
}

.substrate {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(33, 33, 33, 0.3);
    backdrop-filter: blur(8px);
    z-index: 4;
}

/* Hover эффект на декстопе */
@media (hover: hover) {
    .btn:hover {
        background-color: #bfe955;
        border-color: #bfe955;
    }

    .header_menu .menu_item:hover {
        background-color: rgba(255, 255, 255, 0.3);
    }

    .promo .promo_btn .btn_prog:hover {
        background-color: rgba(255, 255, 255, 0.3);
    }
}

/* адаптив */
/* Экран до 1440 */
@media(max-width: 1919px) {
    .container {
        max-width: 1440px;
    }

    .instruction .wrap {
        padding: 0;
    }
}

/* Экран до 1280 */
@media(max-width: 1439px) {
    .container {
        max-width: 1280px;
    }

    .promo .title {
        font-size: 130px;
    }

    .speaker .speaker_wrap {
        grid-template-columns: repeat(2, 1fr);
    }

    .bg_right {
        right: -150px;
    }

    .bg_left {
        left: -150px;
    }
}

@media(max-width: 1279px) {
    .container {
        max-width: 1024px;
    }

    .title {
        font-size: 65px;
        line-height: 80px;
    }

    .promo .title {
        margin-top: 32px;
        font-size: 110px;
    }

    .promo .subttitle {
        margin-top: 56px;
        font-size: 28px;
    }

    .promo .promo_info {
        margin-top: 56px;
        font-size: 40px;
    }

    .instruction .instruction_item {
        width: 45%;
    }

    .promo .promo_partner .partner_item {
        width: 56px;
        height: 56px;
    }

    .promo .promo_partner .item_wrap {
        gap: 20px;
    }

    .wrap_item .item_img {
        width: 90px;
        height: 90px;
    }

    .wrap_item .item_title {
        font-size: 28px;
    }

    .wrap_item .item_subtitle {
        font-size: 18px;
    }

    .about .about_wrap .wrap_item .item_subtitle {
        font-size: 20px;
    }

    .wrap_item .item_descr {
        font-size: 20px;
    }

    .footer .footer_wrap {
        flex-direction: column;
        align-items: start;
        justify-content: start;
        gap: 24px;
    }

    .programm .programm_wrap {
        grid-template-columns: repeat(1, 1fr);
    }

    .programm .programm_wrap .wrap_item .item_time {
        font-size: 20px;
    }

    .header_menu {
        display: none;
    }

    .mobail_nav {
        display: block;
    }

    .about .about_wrap {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media(max-width: 1023px) {
    .container {
        max-width: 768px;
        padding: 0 12px;
    }

    .footer {
        margin-top: 120px;
        padding: 24px 0;
    }

    .org {
        margin-top: 120px;
    }

    .footer .footer_wrap {
        gap: 12px;
    }

    .footer .header_menu .menu_title {
        font-size: 20px;
        margin-right: 6px;
    }

    .header_menu {
        gap: 6px;
    }

    .mobail_menu {
        gap: 24px;
    }

    .footer .header_logo {
        height: 54px;
    }

    .title {
        font-size: 52px;
    }

    .wrap {
        margin: 40px 0;
    }

    .programm {
        margin-top: 120px;
    }

    .plan {
        padding-top: 120px;
    }

    .speaker .speaker_info {
        font-size: 20px;
        line-height: 28px;
    }

    .about .about_wrap .wrap_item .item_img {
        width: 120px;
    }

    .about .about_wrap .wrap_item .item_subtitle {
        margin-top: 24px;
    }

    .speaker .speaker_wrap {
        grid-template-columns: repeat(1, 1fr);
    }

    .wrap_item .item_img {
        width: 120px;
        height: 120px;
    }

    .promo {
        padding: 120px 0;
    }

    .promo .title {
        font-size: 80px;
    }

    .promo .promo_info {
        font-size: 32px;
        line-height: 28px;
    }

    .promo .subttitle {
        font-size: 24px;
    }

    .speaker {
        padding-top: 120px;
    }

    .instruction .instruction_item {
        width: 100%;
    }

    .instruction .instruction_item .item_step {
        font-size: 45px;
    }

    .instruction .instruction_item .item_desc {
        margin-top: 8px;
        font-size: 16px;
    }

    .instruction .wrap {
        gap: 12px;
    }

    .org .org_logo .wrap {
        margin: 40px 0 24px 0;
    }

    .org .org_descr {
        font-size: 24px;
        line-height: 28px;
    }

    .org .org_logo .wrap_item {
        padding: 10px 32px;
    }

    .org .org_logo .wrap_item .img {
        display: flex;
        justify-content: center;
        width: 100%;
    }

    .org .org_logo .wrap_item .img img {
        width: 100%;
        height: auto;
    }

    .plan .plan_info {
        margin-top: 24px;
    }

    .plan .plan_info .info_wrap {
        flex-direction: column;
    }

    .plan .plan_info .info_wrap .info_item {
        text-align: center;
        font-size: 20px;
        line-height: 24px;
    }

    .plan .plan_info .info_img {
        margin-top: 40px;
    }

    .instruction {
        margin-top: 40px;
    }

    .main_bg {
        height: auto;
        width: 350px;
    }

    .main_bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .main_bg_left {
        left: -200px;
    }

    .main .main_bg_right {
        right: -200px;
    }

    .speaker .speaker_bg {
        height: auto;
        width: 350px;
    }

    .speaker .speaker_bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .speaker_bg.right {
        right: -200px;
    }

    .speaker_bg.left {
        bottom: 20%;
        left: -200px;
    }

    .plan .plan_bg {
        height: auto;
        width: 170px;
    }

    .plan .plan_bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .plan .plan_bg.right {
        right: -100px;
    }

    .plan .plan_bg.left {
        left: -100px;
        bottom: 20%;
    }

    .programm .programm_wrap .wrap_bg {
        height: auto;
        width: 80%;
        top: 20%;
    }

    .programm .programm_wrap .wrap_bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

@media(max-width: 767px) {
    .container {
        padding: 0 16px;
    }

    .promo .promo_btn {
        flex-wrap: wrap;
        flex-direction: column;
    }

    .btn .btn_wrap {
        text-align: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 6px;
    }

    .btn {
        padding: 9px 8px 9px 12px;
        width: 100%;
        font-size: 16px;
    }

    .promo {
        padding: 80px 0;
    }

    .promo .title {
        font-size: 68px;
        line-height: 68px;
        margin-top: 16px;
    }

    .about .about_wrap .wrap_item .item_subtitle {
        margin-top: 12px;
    }

    .about .about_wrap .wrap_item .item_descr {
        margin-top: 6px;
    }

    .about .about_wrap .wrap_item .item_subtitle {
        margin-top: 6px;
    }

    .promo .promo_info {
        font-size: 22px;
        line-height: 32px;
    }

    .promo .subttitle,
    .promo .promo_info {
        margin-top: 28px;
    }

    .promo .promo_partner .partner_item {
        width: 32px;
        height: 32px;
    }

    .promo .promo_partner .item_wrap {
        gap: 12px;
        padding: 8px 16px;
    }

    .header .header_logo {
        height: 40px;
    }

    .header {
        padding: 12px 0;
    }

    .mobail_menu {
        margin-top: 12px;
        gap: 24px;
    }

    .mobail_menu .menu_item {
        font-size: 16px;
        font-weight: 400;
    }

    .title {
        font-size: 40px;
        line-height: 52px;
    }

    .wrap_item {
        padding: 16px;
    }

    .speaker .speaker_wrap .wrap_item .item_title {
        margin-top: 16px;
        font-size: 24px;
    }

    .wrap_item .item_subtitle {
        font-size: 14px;
        margin-top: 6px;
    }

    .about .about_wrap .wrap_item .item_subtitle {
        font-size: 18px;
    }

    .speaker .speaker_wrap .wrap_item .item_descr {
        font-size: 18px;
        line-height: 24px;
        margin-top: 6px;
    }

    .speaker {
        padding-top: 80px;
    }

    .plan {
        padding-top: 80px;
    }

    .org {
        margin-top: 80px;
    }

    .speaker .speaker_info {
        font-size: 18px;
        line-height: 24px;
    }

    .programm {
        margin-top: 80px;
    }

    .programm .programm_wrap .wrap_item .item_time {
        font-size: 16px;
        padding: 6px 8px;
    }

    .programm .programm_wrap .wrap_item .item_descr {
        margin-top: 12px;
        font-size: 20px;
        line-height: 22px;
    }

    .programm .programm_wrap .wrap_item .item_info {
        margin-top: 12px;
        gap: 12px;
    }

    .programm .programm_wrap .wrap_item .item_title {
        font-size: 18px;
        line-height: 22px;
    }

    .programm .programm_wrap .wrap_item .item_subtitle {
        margin-top: 6px;
        font-size: 12px;
    }

    .footer {
        margin-top: 80px;
    }

    .footer .container {
        /* max-width: 80%; */
        padding: 0 12px;
    }

    .footer .header_logo {
        height: 44px;
    }

    .footer .footer_wrap {
        gap: 18px;
    }
}