html {
    overflow-y: auto !important;
}

body {
    display: flex;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    overflow: hidden;
    color: #fff;
}

ul {
    position: relative;
    list-style-type: none;
    padding: 0;
    margin: 0;
}

h1, h2 {
    font-size: 81px;
    line-height: 95px;
    font-weight: bold;
    margin: 0;
}

h3 {
    font-size: 48px;
    line-height: 56px;
    font-weight: bold;
    margin: 0;
}

h4 {
    font-size: 36px;
    line-height: 43px;
    font-weight: bold;
    margin: 0 0 30px 0;
}

.section {
    padding-top: 40px;
    padding-bottom: 40px;
}

@media (max-width: 991px) {
    .section {
        padding-top: 30px;
        padding-bottom: 30px;
    }
}

.fluid-img {
    width: 100%;
}

.mining-text {
    font-size: 20px;
    line-height: 36px;
    margin-bottom: 20px;
}

.mining-text:last-of-type {
    margin-bottom: 0;
}

.mining-text.bold {
    font-weight: bold;
}

h1 span,
h2 span,
h3 span,
h4 span {
    color: #F58D2D;
}

@media (max-width: 991px) {
    h1, h2 {
        font-size: 36px;
        line-height: 42px;
    }

    h3 {
        font-size: 34px;
        line-height: 41px;
    }
}

a {
    color: #fff;
    font-weight: bold;
    font-size: 16px;
    line-height: 19px;
    letter-spacing: 0.1em;
    -webkit-transition: .2s;
    -moz-transition: .2s;
    -ms-transition: .2s;
    -o-transition: .2s;
    transition: .2s;
}
a:hover {
    text-decoration: none;
    color: #F58D2D;
}

button:focus {
    outline: none;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
}

.flex-row {
    display: flex;
    position: relative;
    margin: 0 -15px;
    flex-wrap: wrap;
}

.col {
    padding-left: 15px;
    padding-right: 15px;
}


.mining-btn {
    display: inline-flex;
    position: relative;
    justify-content: center;
    align-items: center;
    border: none;
    overflow: hidden;
    background-color: #F58D2D;
    -webkit-box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
    -moz-box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
    box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
    -webkit-border-radius: 12px;
    -moz-border-radius: 12px;
    border-radius: 12px;
    font-size: 20px;
    line-height: 23px;
    letter-spacing: 0.1em;
    color: #fff;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    padding: 18px 40px;
}
.mining-btn:focus {
    background-color: #F58D2D;
    color: #fff;
    text-decoration: none;
}
.mining-btn:hover {
    background-color: #fff;
    color: #F58D2D;
}

.promo-code-action-block {
    display: inline-flex;
    margin-left: -5px;
    margin-right: -5px;
}

@media (max-width: 1199px) {
    .head-section .promo-code-action-block,
    .promo-section .promo-code-action-block {
        flex-direction: column;
    }
}

@media (max-width: 991px) {
    .head-section {
        margin-bottom: 30px !important;
    }
    .promo-code-action-block {
        flex-direction: column;
    }
}

@media (max-width: 767px) {
    .head-section {
        margin-bottom: 20px !important;
    }
    .promo-code-action-block {
        width: 290px;
        margin-left: auto;
        margin-right: auto;
    }
    .promo-code-action-block > * {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

.promo-code-action-block .mining-btn {
    margin: 5px;
}

.promo-code-block {
    display: flex;
    position: relative;
    overflow: hidden;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    -webkit-border-radius: 12px;
    -moz-border-radius: 12px;
    border-radius: 12px;
    padding: 7px 11px;
    border: 2px solid #F58D2D;
    margin: 5px;
    color: #F58D2D;
    -webkit-box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
    -moz-box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
    box-shadow: 0 8px 10px rgba(252, 211, 64, 0.12);
}
.promo-code-block__head-text {
    font-size: 16px;
    line-height: 19px;
    font-weight: 500;
}
.promo-code-block__body-text {
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    line-height: 23px;
    letter-spacing: 0.02em;
}



.header {
    position: relative;
    color: #fff;
    padding: 20px 0;
    z-index: 2;
}

.header::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #222;
    z-index: 1;
}

.header__logo-col,
.header__promo-code-col {
    display: inline-flex;
    position: relative;
    align-items: center;
    padding-left: 15px;
    padding-right: 15px;
    z-index: 2;
}

.header__promo-code-col {
    flex-grow: 1;
}

.header__promo-code-col .promo-code-block {
    border-color: #999;
    padding: 4px 9px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
}

.header__promo-code-col .promo-code-block__head-text {
    font-size: 13px;
    line-height: 15px;
}

.header__promo-code-col .promo-code-block__body-text {
    font-size: 16px;
    line-height: 19px;
}

@media (max-width: 767px) {
    .header .flex-row {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: center;
    }
    .header__logo-col img {
        width: 122px;
    }
    .header {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

@media (max-width: 400px) {
    .header__promo-code-col .promo-code-block {
        display: none;
    }
}



/* head section */
.head-section {
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
    background: linear-gradient(180.97deg, rgba(34, 34, 34, 0) 0.83%, #222222 99.17%);
}
.head-section::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-image: url(../images/head-section_bg.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: 100% 100%;
}

.head-section .flex-row {
    min-height: 670px;
}

.head-section__content-col {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: 40px;
    padding-bottom: 40px;
    z-index: 1;
}

.head-section__title {
    margin-bottom: 20px;
}

.head-section__subtitle {
    font-size: 30px;
    line-height: 35px;
    margin-bottom: 25px;
}

@media (max-width: 767px) {
    .head-section__title {
        margin-bottom: 10px;
    }
    .head-section__subtitle {
        font-size: 20px;
        line-height: 23px;
        margin-bottom: 15px;
    }
}

.head-section__icons-col {
    display: inline-flex;
    position: relative;
    flex-direction: column;
    justify-content: flex-end;
}

.head-section__person-block {
    position: absolute;
    right: -15px;
    width: 460px;
    z-index: 0;
}

.head-section__person-block img {
    position: absolute;
}

.head-section__person-top-img {
    position: absolute;
    bottom: 100%;
    width: 213px;
    left: 25%;
    margin-bottom: -28px;
}

.head-section__person-main-img {
    position: relative !important;
    width: 100%;
}

.head-section__person-layer-img {
    position: absolute;
    width: 100%;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.head-section__person-coin1 {
    width: 400px;
    left: 0;
    bottom: 0;
    margin-bottom: -100px;
    margin-left: -220px;
    z-index: 2;
}

.head-section__person-coin2 {
    width: 135px;
    right: 0;
    top: 0;
    z-index: 2;
}

.head-section__person-coin3 {
    width: 88px;
    margin-left: 10px;
    margin-bottom: 10px;
    left: 0;
    bottom: 100%;
    z-index: 2;
}

@media (max-width: 1199px) {
    .head-section__person-block {
        right: -50px;
        width: 420px;
    }
    .head-section__person-coin1 {
        width: 400px;
        margin-bottom: -100px;
        margin-left: -180px;
    }
    .head-section__person-coin3 {
        margin-left: 20px;
    }
}

@media (max-width: 991px) {
    .head-section .flex-row {
        min-height: auto;
    }
    .head-section__person-block {
        right: auto;
        left: 50%;
        width: 215px;
        margin-left: -90px;
    }
    .head-section__person-top-img {
        width: 114px;
        margin-bottom: -5px;
    }
    .head-section__person-coin1 {
        width: 150px;
        margin-bottom: -30px;
        margin-left: -90px;
    }
    .head-section__person-coin2 {
        width: 73px;
    }
    .head-section__person-coin3 {
        width: 47px;
        margin-left: 0;
        margin-bottom: 0;
    }
}

@media (max-width: 767px) {
    .head-section__content-col {
        text-align: center;
        align-items: stretch;
        padding-top: 30px;
        padding-bottom: 15px;
    }
    .head-section__icons-col {
        height: 290px;
    }
}



/* mining section */
.mining-section .flex-row {
    align-items: center;
}
.mining-section__img-col {
    height: 430px;
}
.mining-section__img-col img {
    position: absolute;
    left: 15px;
    top: -35%;
    width: 155%;
    margin-left: -27%;
}
.mining-section__content-col {
    padding-left: 80px;
}

@media (max-width: 1199px) {
    .mining-section__img-col {
        height: 350px;
    }
    .mining-section__img-col img {
        top: -37%;
    }
}

@media (max-width: 991px) {
    .mining-section__img-col {
        height: 280px;
    }
    .mining-section__img-col img {
        top: -33%;
    }
}

@media (max-width: 767px) {
    .mining-section__img-col {
        order: 1;
        height: 235px;
    }
    .mining-section__img-col img {
        left: 50%;
        top: 0;
        height: 360px;
        width: auto;
        margin-top: -86px;
        margin-left: -200px;
    }
    .mining-section__content-col {
        padding-left: 15px;
        padding-bottom: 30px;
    }
}



/* solution section */
.solution-section {
    padding-top: 100px;
    padding-bottom: 100px;
}
.solution-section h3 {
    max-width: 700px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}
.solution-section .col-xs-12 > * {
    position: relative;
    z-index: 1;
}
.d-flex {
    display: flex;
}
.justify-center {
    justify-content: center;
}
.solution-section__icons-block {
    position: absolute !important;
    z-index: 0 !important;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.solution-section__icon1 {
    position: absolute;
    width: 550px;
    top: -220px;
    left: -300px;
}
.solution-section__icon2 {
    position: absolute;
    width: 550px;
    bottom: -220px;
    right: -300px;
}
@media (max-width: 991px) {
    .solution-section h3 {
        margin-bottom: 15px;
    }
    .solution-section__icon1 {
        width: 250px;
        top: -170px;
        left: -50px;
    }
    .solution-section__icon2 {
        width: 250px;
        bottom: -150px;
        right: -50px;
    }
}



/* offer section */
.offer-section {
    position: relative;
    overflow: hidden;
}
.offer-section .flex-row {
    align-items: flex-end;
}
.offer-section .mining-text {
    line-height: 30px;
    margin-bottom: 10px;
}
.offer-section .mining-text:last-child {
    margin-bottom: 0;
}
.offer-section__list li {
    position: relative;
    padding-left: 35px;
}
.offer-section__list li::before {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 5px;
    width: 20px;
    height: 20px;
    background-size: 100% 100%;
    background-image: url(../images/offer-section_list-icon.svg);
}
.offer-section__img-block {
    position: relative;
    height: 423px;
}
.offer-section__bg-img {
    position: absolute;
    left: 120px;
    margin-left: -170px;
    margin-top: 30px;
    top: 0;
    width: 600px;
}
.offer-section__person-img {
    position: absolute;
    width: 300px;
    bottom: -50px;
    left: 50%;
    margin-left: -120px;
    z-index: 1;
}
@media (max-width: 1199px) {
    .offer-section__img-block {
        height: 340px;
    }
    .offer-section__bg-img {
        margin-top: 0;
        width: 500px;
    }
}
@media (max-width: 991px) {
    .offer-section__img-block {
        height: 240px;
    }
    .offer-section__bg-img {
        margin-top: -20px;
        width: 400px;
    }
    .offer-section__person-img {
        width: 220px;
        margin-left: -80px;
    }
}
@media (max-width: 767px) {
    .offer-section .mining-text {
        font-size: 16px;
        line-height: 22px;
        margin-bottom: 20px;
    }
    .offer-section__list {
        margin-bottom: 30px;
    }
    .offer-section__list li::before {
        top: 0;
    }
    .offer-section__bg-img {
        margin-top: -10px;
        width: 380px;
        left: 50%;
        margin-left: -180px;
    }
}



/* about section */
.black-layout-block {
    background: linear-gradient(180deg, #333333 -50%, #111111 100%);
}
.about-section__item {
    display: flex;
    position: relative;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    -webkit-border-radius: 40px;
    -moz-border-radius: 40px;
    border-radius: 40px;
    width: 290px;
    padding: 20px;
    height: 100%;
    background: linear-gradient(325.11deg, rgba(50, 50, 50, 0.3) 1.85%, rgba(34, 34, 34, 0) 125.17%);
}
.about-section__item img {
    margin: 20px auto;
    height: 100px;
}
.about-section__item h5 {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    margin: 0;
    flex-grow: 1;
}
.about-section__col:nth-child(2)::before {
    content: "";
    display: block;
    position: absolute;
    right: 100%;
    top: 50%;
    margin: 0 12px;
    border-top: 9px solid transparent;
    border-left: 11px solid #333;
    border-bottom: 9px solid transparent;
}
.about-section__col:nth-child(2)::after {
    content: "";
    display: block;
    position: absolute;
    left: 100%;
    top: 50%;
    margin: 0 12px;
    border-top: 9px solid transparent;
    border-left: 11px solid #333;
    border-bottom: 9px solid transparent;
}
.about-section__col:nth-child(2) .about-section__item {
    margin-left: auto;
    margin-right: auto;
}
.about-section__col:nth-child(3) .about-section__item {
    margin-left: auto;
}
.about-section__col:last-child::after,
.about-section__col:last-child::before {
    display: none;
}

@media (max-width: 1199px) {
    .about-section__col:nth-child(2)::before {
        margin: 0 -4px;
    }
    .about-section__col:nth-child(2)::after {
        margin: 0 -4px;
    }
}
@media (max-width: 991px) {
    .about-section h4 {
        text-align: center;
    }
    .about-section__col {
        margin-bottom: 40px;
    }
    .about-section__col:last-child {
        padding-bottom: 0;
    }
    .about-section__item {
        margin-left: auto !important;
        margin-right: auto !important;
    }
    .about-section__col:nth-child(2)::after,
    .about-section__col:nth-child(2)::before {
        -webkit-transform: rotate(90deg);
        -moz-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
        -o-transform: rotate(90deg);
        transform: rotate(90deg);
    }
    .about-section__col:nth-child(2)::before {
        right: auto;
        left: 50%;
        top: auto;
        bottom: calc(100% + 11px);
        margin: 0 0 0 -9px;
    }
    .about-section__col:nth-child(2)::after {
        left: 50%;
        top: calc(100% + 11px);
        margin: 0 0 0 -9px;
    }
}



/* promo section */
.promo-section {
    position: relative;
    overflow: hidden;
    padding-bottom: 80px;
}
.promo-section h3 {
    margin-bottom: 30px;
}
.promo-section .flex-row {
    align-items: center;
}
.promo-section__img-col {
    position: relative;
    height: 360px;
    margin-top: auto;
}
.promo-section__img {
    position: absolute;
    right: 15px;
    margin-right: -130px;
    width: 660px;
    top: -100px;
}
@media (max-width: 991px) {
    .promo-section__img-col {
        height: 280px;
    }
    .promo-section__img {
        margin-right: -120px;
        width: 500px;
        top: -80px;
    }
}
@media (max-width: 767px) {
    .promo-section {
        text-align: center;
        padding-bottom: 40px;
    }
    .promo-section h3 {
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    .promo-section__img-col {
        margin-top: 30px;
        height: 250px;
    }
    .promo-section__img {
        right: auto;
        left: 50%;
        margin-right: 0;
        margin-left: -180px;
        width: 400px;
        top: -45px;
    }
}



/* footer */
.footer {
    position: relative;
    margin-top: auto;
    padding: 20px 0;
    background-color: #222;
    z-index: 2;
}

.footer__logo-col {
    display: inline-flex;
    position: relative;
    align-items: center;
    padding-left: 15px;
    padding-right: 15px;
}

.footer__logo-col {
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer__rights-text {
    color: #999999;
    font-size: 12px;
    line-height: 14px;
    font-weight: normal;
    margin-top: 5px;
}

@media (max-width: 767px) {
    .footer__logo-col img {
        width: 122px;
    }
    .footer {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .footer__logo-col {
        order: 1;
    }
    .footer__logo-col {
        min-width: 100%;
        max-width: 100%;
    }
}
