*, *:before, *:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Helvetica, Arial, sans-serif;
}
.slide-index{
    z-index: 0;
}
.slide-index .s--active{
    z-index: 5;
}
.slider-index {
    position: relative;
    height: 100%;
}
.slider__slides {
    z-index: 1;
    position: relative;
    height: 100%;
    overflow: hidden;
}
.slider__control--right {
    left: 95%;
}
.slider__control:hover {
    background-color: #2da6ff;
}
.slider__control-line {
    position: absolute;
    left: 23px;
    top: 50%;
    width: 3px;
    height: 14px;
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.slider__control-line:nth-child(2) {
    -webkit-transform: translateY(1px) rotate(-135deg);
    transform: translateY(1px) rotate(-135deg);
}
.slider__control--right .slider__control-line {
    left: 37px;
    -webkit-transform-origin: 1px 0;
    transform-origin: 1px 0;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.slider__control--right .slider__control-line:nth-child(2) {
    -webkit-transform: translateY(1px) rotate(135deg);
    transform: translateY(1px) rotate(135deg);
}
.slider__control-line:after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #e2e2e2;
    -webkit-transition: background-color 0.3s;
    transition: background-color 0.3s;
}
.slider__control:hover .slider__control-line:after {
    background-color: #fff;
}
.slider__control.a--rotation .slider__control-line:after {
    -webkit-animation: arrowLineRotation 0.49s;
    animation: arrowLineRotation 0.49s;
}
.slider__control.a--rotation .slider__control-line:nth-child(1):after {
    -webkit-animation: arrowLineRotationRev 0.49s;
    animation: arrowLineRotationRev 0.49s;
}

@-webkit-keyframes arrowLineRotation {
    to {
        -webkit-transform: rotate(180deg);
        transform: rotate(180deg);
    }
}

@keyframes arrowLineRotation {
    to {
        -webkit-transform: rotate(180deg);
        transform: rotate(180deg);
    }
}
@-webkit-keyframes arrowLineRotationRev {
    to {
        -webkit-transform: rotate(-180deg);
        transform: rotate(-180deg);
    }
}
@keyframes arrowLineRotationRev {
    to {
        -webkit-transform: rotate(-180deg);
        transform: rotate(-180deg);
    }
}
.slide-index {
    overflow: hidden;
    position: absolute;
    left: 50%;
    top: 0;
    width: 150vmax;
    height: 100%;
    -webkit-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    -webkit-transition: -webkit-clip-path 0s 1s;
    transition: clip-path 0s 1s, -webkit-clip-path 0s 1s;
    -webkit-clip-path: circle(30px at 170vw 70%);
    clip-path: circle(30px at 170vw 70%);
}
.slide-index.s--prev {
    -webkit-clip-path: circle(30px at 10vw 70%);
    clip-path: circle(30px at 10vw 70%);
}
.slide-index.s--active {
    z-index: 1;
    -webkit-transition: -webkit-clip-path 1.5s;
    transition: clip-path 1s, -webkit-clip-path 1.5s;
    -webkit-clip-path: circle(120vmax at 120vw 50%);
    clip-path: circle(120vmax at 120vw 50%);
}
.slide-index.s--active.s--active-prev {
    -webkit-clip-path: circle(120vmax at 30vw 70%);
    clip-path: circle(120vmax at 30vw 70%);
}
.slide__inner {
    position: absolute;
    left: 50%;
    top: 0;
    width: 100vw;
    height: 100%;
    margin-left: -50vw;
}
.slide__content {
    position: absolute;
    left: 5%;
    top: 50%;
    margin-left: -30px;
    margin-top: 48px;
    max-width: 480px;
    color: #fff;
}
.slide__heading {
    margin-bottom: 20px;
    font-size: 60px;
}
.slide__text {
    font-size: 25px;
}
.slide__text a {
    color: inherit;
}
.conversion-card .captcha{
    max-width: 30px;
    width: 100%;
    margin-top: 30px;
}
.conversion-card .captcha img{
    width: 100%;
}
.navbar-course{
    width: 200px;
    position: relative;
    overflow: hidden;
}
.navbar-course-child{
    margin-left: 42%;
}
.navbar-course-child-green{
    color: #439700;
}
.navbar-course-child-blue{
    color: #073E75;
}
.header-index{
    height: 500px;
    overflow: hidden;
}
.rate-link{
    padding-top: 8px;
}
.header-slider{
    height: 100%;
}
@media screen and (min-width: 1920px) {
    .navbar-course{
        width: 300px;
    }
    .navbar-course-child{
        margin-left: 48%;
    }
    .rate-link{
        right: 63%;
        width: 500px;
        position: relative;
    }
}

@media screen and (max-width: 1800px) {
    .navbar-course{
        width: 300px;
    }
    .navbar-course-child{
        margin-left: 85%;
    }
}

@media screen and (max-width: 1600px) {
    .navbar-course{
        width: 360px;
    }
    .rate-link{
        right: 25%;
    }
}

@media screen and (max-width: 1500px) {
    .navbar-course{
        width: 267px;
    }
    .rate-link{
        right: 68%;
    }
}

@media screen and (max-width: 1440px) {
    .header-slider .slider-caption-inner{
        padding: 20px;
    }
    .header-slider .slider-caption h1{
        font: 300 calc(30rem / 16) 'Roboto', sans-serif;
    }
}

@media screen and (max-width: 1400px) {
    .nav-two .nav-link {
        font: 500 calc(13rem / 16) 'Roboto', sans-serif;
    }
    .rate-link {
        position: relative;
        width: 450px;
        right: 70%;
    }
}

@media screen and (max-width: 1024px) {
    .header-slider .slider-caption-inner{
        padding: 20px;
    }
    .header-slider .slider-caption h1{
        font-size: calc(20rem / 16);
    }
}

body{
    overflow-x: hidden;
}
@media screen and (max-width: 768px) {
    .header-slider .slider-caption h1{
        font: 300 calc(30rem / 16) 'Roboto', sans-serif;
    }
    .header-index .header-slider .slider-caption{
        width: 100%;
    }
    .header-index {
        height: 50vh;
    }
    .header-slider img {
        object-fit: cover;
    }
}