@media (min-width: 320px) {
    /*HIDDEN PARALLAX ELEMENTS*/
    .wrapper_airplane1,
    .wrapper_airplane2,
    .wrapper_pin1,
    .wrapper_pin2 {
        display: none;
    }

    /*HIDDEN PARALLAX ELEMENTS*/
    header {
        position: relative;
        height: 400px;
        padding: 20px 0;
    }

    .logo img {
        width: 120px;
    }

    .wrapper_logo > .logo {
        margin-right: 10px;
    }

    .descriptor {
        font-size: 0.45rem;
    }

    .button {
        font-size: 9px;
        padding-top: 5px;
        padding-bottom: 5px;
    }

    .headers {
        margin-top: 15px;
    }

    h1 {
        font-weight: bold;
        font-size: 0.7rem;
    }

    p.sub_h1 {
        margin: 20px 0;
        font-size: 0.7rem;
    }

    .main_bg {
        bottom: -35px;
    }

    #bullets-mob {
        position: relative;
        height: 375px;
        padding: 0px;
    }

    #course_mobile {
        padding: 0px;
    }

    h2.second_heading {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    h2.second_heading span {
        font-size: 2.5rem;
    }

    .card_number {
        position: absolute;
        top: -45px;
        left: 30%;
        z-index: 1
    }

    .figure_btn_mob img {
        width: 160px;
    }

    .figure_btn_mob p {
        position: absolute;
        left: 23px;
        top: 10px;
        color: white;
        font-family: 'Montserrat', arial;
        font-weight: 400;
        font-size: 0.8rem;
    }

    .card-title {
        font-size: 1.4rem;
    }

    .card-text {
        font-size: 0.8rem;
        padding: 15px 10px;
    }

    .wrapper {
        z-index: 2;
        position: relative;
    }

    .advantage_mob {
        position: relative;
        font-family: Georgia;
        font-style: italic;
        font-size: 0.9rem;
        color: #292929;
    }

    .advantage_mob p span {
        color: #3674b7;
    }

    .advantage_lock {
        margin-top: 50px;
        text-align: right;
    }

    .advantage_drotik {
        margin-top: 70px;
        text-align: right;
    }

    .slide {
        margin: 0;
        max-width: 720px;
        border-radius: 15px;
        -webkit-box-shadow: 0px 8px 5px 0px rgba(0, 0, 0, 0.10);
        -moz-box-shadow: 0px 8px 5px 0px rgba(0, 0, 0, 0.10);
        box-shadow: 0px 8px 5px 0px rgba(0, 0, 0, 0.10);
        background: white;
    }

    .slide h4 {
        font-family: 'Gilroy';
        font-weight: 900;
        font-size: 1.4rem;
        padding: 10px 20px;
    }

    .slide p {
        font-family: 'Montserrat', arial;
        font-weight: 400;
        font-size: 1rem;
        padding: 25px;
        padding-bottom: 30px;
    }

    .advantage_camera > img.figure {
        position: absolute;
        top: 30%;
        right: -50px;
    }

    .advantage_lock > img.figure {
        position: absolute;
        bottom: 20px;
        left: -90px;
    }

    .advantage_book > img.figure {
        position: absolute;
        top: 22%;
        right: -50px;
    }

    .play_mob {
        position: absolute;
        left: 38%;
        bottom: 16%;
    }

    ul.head_bullets li:nth-child(1) {
        width: 200px;
        border-radius: 7px;
        height: 110px;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 175px;
        height: 110px;
        top: 110px;
        right: 13%;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 150px;
        height: 100px;
        top: 220px;
        right: 17%;
    }

    ul.head_bullets li > div {
        font-size: 0.7rem;
        margin-left: 30px;
        margin-right: 70px;
    }

    footer h2 {
        font-weight: bold;
        font-size: 1.2rem;
    }

    footer h2 span {
        font-size: 1.2rem;
    }

    footer h3 {
        font-size: 1.2rem;
    }

    footer h4 {
        font-size: 1.2rem;
    }

    section {
        padding-top: 20px;
    }

    footer {
        padding-top: 50px;
        padding-bottom: 20px;
        background: #fff;
    }

    ul.head_bullets {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (min-width: 375px) {
    header {
        height: 460px;
    }

    .logo img {
        width: 120px;
    }

    .descriptor {
        font-size: 0.5rem;
    }

    .button {
        font-size: 9px;
    }

    .headers {
        margin-top: 15px;
    }

    h1 {
        font-size: 0.9rem;
    }

    p.sub_h1 {
        font-size: 0.8rem;
    }

    .main_bg {
        bottom: -20px;
    }

    #bullets-mob {
        height: 500px;
        padding: 0px;
    }

    #course_mobile {
        padding: 0px;
    }

    h2.second_heading {
        font-size: 1.1rem;
        margin-bottom: 25px;
    }

    h2.second_heading span {
        font-size: 3rem;
    }

    .card-text {
        font-size: 0.85rem;
        padding: 15px 10px;
    }

    .card_number {
        top: -45px;
        left: 35%;
        z-index: 1
    } 

    .advantage_mob {
        font-size: 0.8rem;
        color: #292929;
    }

    .advantage_mob p span {
        color: #3674b7;
    }

    .advantage_lock,
    .advantage_drotik {
        margin-top: 50px;
        text-align: right;
    }

    .slide {
        margin: 0 30px;
    }

    .slide h4 {
        font-size: 1.2rem;
        padding: 10px 20px;
    }

    .slide p {
        font-size: 0.9rem;
        padding: 20px;
        padding-bottom: 30px;
    }

    .advantage_camera > img.figure {    
        top: 33%;
        right: -50px;
    }

    .advantage_lock > img.figure {
        bottom: -20px;
        left: -50px;
    }

    .advantage_book > img.figure {
        top: 15%;
        right: -50px;
    }

    .play_mob {
        left: 40%;
        bottom: 18%;
    }

    ul.head_bullets li:nth-child(1) {
        width: 285px;
        border-radius: 7px;
        height: 155px;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 235px;
        height: 145px;
        top: 150px;
        right: 8%;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 200px;
        height: 148px;
        top: 290px;
        right: 14%;
    }

    ul.head_bullets li > div {
        font-size: 0.85rem;
        margin-left: 30px;
        margin-right: 70px;
    }
}

@media (min-width: 425px) {

    header {
        height: 525px;
    }

    .logo img {
        width: 65px;
    }

    .descriptor {
        font-size: 0.50rem;
    }

    .button {
        font-size: 9px;
    }

    .headers {
        margin-top: 40px;
    }

    h1 {
        font-size: 1.6rem;
    }

    p.sub_h1 {
        font-size: 0.9rem;
    }

    #bullets-mob {
        height: 500px;
        padding: 0px;
    }

    #course_mobile {
        padding: 0px;
    }

    h2.second_heading {
        font-size: 1.3rem;
        margin-bottom: 25px;
    }

    .card-text {
        font-size: 0.85rem;
        padding: 15px 10px;
    }

    .card_number {
        top: -45px;
        left: 35%;
        z-index: 1
    }

    .advantage_mob {    
        font-size: 0.9rem;
        color: #292929;
    }

    .advantage_mob p span {
        color: #3674b7;
    }

    .advantage_lock,
    .advantage_drotik {
        margin-top: 50px;
        text-align: right;
    }


    .slide h4 {
        font-size: 1.4rem;
        padding: 10px 20px;
    }

    .slide p {
        font-size: 0.9rem;
        padding: 20px;
        padding-bottom: 30px;
    }

    .advantage_camera > img.figure {
        top: 33%;
        right: -30px;
    }

    .advantage_lock > img.figure {
        bottom: -20px;
        left: -75px;
    }

    .advantage_book > img.figure {
        top: 33%;
        right: -75px;
    }

    .play_mob {
        left: 40%;
        bottom: 18%;
    }

    ul.head_bullets li:nth-child(1) {
        width: 285px;
        border-radius: 7px;
        height: 155px;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 240px;
        height: 150px;
        top: 150px;
        right: 11%;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 220px;
        height: 148px;
        top: 290px;
        right: 14%;
    }

    ul.head_bullets li > div {
        font-size: 0.85rem;
        margin-left: 30px;
        margin-right: 70px;
    }

}

@media (min-width: 576px) {
    header {
        height: 600px;
    }

    .logo img {
        width: 90px;
    }

    .descriptor {
        font-size: 0.60rem;
    }

    .button {
        font-size: 10px;
    }

    h1 {
        font-size: 2rem;
    }

    .advantage_mob {
        font-size: 1.35rem;
        color: #292929;
    }

    .play_mob {
        left: 43%;
        bottom: 21%;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 240px;
        height: 150px;
        top: 150px;
        right: 20%;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 220px;
        height: 148px;
        top: 290px;
        right: 22%;
    }

    h2.second_heading {
        font-size: 1.7rem;
        margin-bottom: 25px;
    }

    h2.second_heading span {
        font-size: 3rem;
    }

    .card-title {
        font-size: 2rem;
    }

    .card-text {
        font-size: 1rem;
        padding: 20px 30px;
    }

    footer h2 {
        font-weight: bold;
        font-size: 2rem;
    }

    footer h2 span {
        font-size: 1.5rem;
    }

    footer h3 {
        font-size: 1.6rem;
    }

    footer h4 {
        font-size: 1.2rem;
    }

    .slide p {
        font-size: 1.5rem;
        padding: 20px 35px;
        padding-bottom: 30px;
    }

    .slide h4 {
        font-size: 1.8rem;
        padding: 10px 35px;
    }

}


@media (min-width: 768px) {
    header {
        height: 750px;
    }

    #bullets-mob {
        height: 600px;
        padding: 0px;
    }

    .button {
        font-size: 12px;
        margin: 5px 0;
    }

    p.sub_h1 {
        font-size: 1.2rem;
        margin: 40px 0;
    }

    ul.head_bullets li:nth-child(1) {
        width: 400px;
        border-radius: 7px;
        height: 217px;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 350px;
        height: 220px;
        top: 170px;
        right: 18%;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 300px;
        height: 201px;
        top: 370px;
        right: 22%;
    }

    ul.head_bullets li > div {
        font-size: 1.1rem;
        margin-left: 30px;
        margin-right: 104px;
    }

    h2.second_heading {
        font-size: 2.2rem;
        margin-bottom: 25px;
    }

    .card-text {
        font-size: 1.5rem;
        padding: 20px 20px;
    }

    .advantage_mob {
        font-size: 1.5rem;
        color: #292929;
    }

    .play_mob {
        left: 44%;
        bottom: 23%;
    }

    footer h2 {
        font-weight: bold;
        font-size: 2.5rem;
    }

    footer h2 span {
        font-size: 2.5rem;
    }

    footer h3 {
        font-size: 2.2rem;
    }

    footer h4 {
        font-size: 1.8rem;
    }
}


@media (min-width: 992px) {
    .container {
        max-width: 900px;
    }

    header {
        height: auto;
    }

    footer {
        padding-bottom: 50px;
        background: url(../img/footer_bg.png);
        background-position: bottom center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    ul.head_bullets {
        justify-content: flex-end;
    }

    .main_bg {
        width: 100%;
    }

    .logo img {
        width: 130px;
    }

    h1 {
        font-size: 2.1rem;
        font-weight: normal;
    }

    p.sub_h1 {
        font-size: 1rem;
        margin: 20px 0;
    }

    ul.head_bullets li > div {
        font-size: 0.79rem;
        margin-left: 30px;
        margin-right: 60px;
    }

    ul.head_bullets li:nth-child(1) {
        width: 214px;
        border-radius: 7px;
        height: 115px;
        z-index: 3;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 200px;
        height: 125px;
        z-index: 2;
        top: 110px;
        right: 0;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 192px;
        height: 128px;
        z-index: 1;
        top: 230px;
        right: 0;
    }

    .card-title {
        font-size: 1.7rem;
    }

    .card-text {
        font-size: 1rem;
        padding: 25px 0px;
    }

    .slick-prev {
        left: 350px;
    }

    .slick-next {
        right: 350px;
    }

    .advantage_1 {
        left: 0px;
        top: 20px;
    }

    .advantage_1 img {
        position: absolute;
        right: 0;
        bottom: 0px;
    }

    .advantage_2 {
        left: 0px;
        top: 300px;
    }

    .advantage_3 {
        text-align: right;
        right: 0px;
        top: 20px;
    }

    .advantage_3 img {
        position: absolute;
        left: -25px;
        bottom: -50px;
    }

    .advantage_4 {
        text-align: right;
        right: 0px;
        top: 300px;
    }

    #course {
        height: 750px;
        position: relative;
    }

    .cloud {
        position: absolute;
        left: 33%;
        z-index: 3;
    }

    .play {
        position: absolute;
        top: 356px;
        left: 25%;
        z-index: 2;
    }

    footer h2 {
        font-weight: normal;
    }

    .macbook img {
        position: absolute;
        left: 5%;
        z-index: 1;
        top: 150px;
        width: 65%;
    }

    img.stamp {
        right: -60px;
        bottom: -60px;
    }

    .slide {
        margin: 0 30px;       
        display: flex;
        align-items: center;
    }

    .slide h4 {
        font-size: 2rem;
        padding: 0 15px;
    }

    .slide p {
        font-weight: 400;
        font-size: 0.9rem;
        padding: 0px 15px;
    }

}


@media (min-width: 1024px) {
    .container {
        max-width: 900px;
    }

    .logo img {
        width: 130px;
    }

    h1 {
        font-size: 2.1rem;
    }

    h2.second_heading {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }

    h2.second_heading span {
        font-size: 4rem;
    }

    p.sub_h1 {
        font-size: 1rem;
        margin: 20px 0;
    }

    ul.head_bullets li > div {
        font-size: 0.79rem;
        margin-left: 30px;
        margin-right: 60px;
    }

    ul.head_bullets li:nth-child(1) {
        width: 214px;
        border-radius: 7px;
        height: 115px;
        z-index: 3;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 200px;
        height: 125px;
        z-index: 2;
        top: 110px;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 192px;
        height: 128px;
        z-index: 1;
        top: 230px;
    }

    .card-title {
        font-size: 1.7rem;
    }

    .card-text {
        font-size: 1rem;
        padding: 25px 0px;
    }

    .slick-prev {
        left: 350px;
    }

    .slick-next {
        right: 350px;
    }

    .advantage_1 {
        left: 0px;
        top: 20px;
    }

    .advantage_1 img {
        right: 0;
        bottom: 0px;
    }

    .advantage_2 {
        left: 0px;
        top: 300px;
    }

    .advantage_3 {
        text-align: right;
        right: 0px;
        top: 20px;
    }

    .advantage_3 img {
        left: -25px;
        bottom: -50px;
    }

    .advantage_4 {
        text-align: right;
        right: 0px;
        top: 300px;
    }

    #course {
        height: 750px;
        position: relative;
    }

    .cloud {
        left: 33%;
        z-index: 3;
    }

    .play {
        top: 344px;
        left: 25%;
        z-index: 2;
    }

    img.stamp {
        right: -60px;
        bottom: -60px;
    }

}

@media (min-width: 1100px) {

    /*VISIBLE PARALLAX ELEMENTS*/
    .wrapper_airplane1,
    .wrapper_airplane2,
    .wrapper_pin1,
    .wrapper_pin2 {
        display: block;
    }

    /*VISIBLE PARALLAX ELEMENTS*/
    .container {
        max-width: 900px;
    }

    .button {
        width: 100%;
        font-size: 12px;
        padding-top: 10px;
        padding-bottom: 10px;
        color: white;
        border-radius: 25px;
    }

    div.wrapper_airplane2 {
        bottom: 100px;
        right: 15px;
    }

    p.figure_btn_title {
        font-weight: 400;
        font-size: 1.2rem;
        top: 32px;
        left: 25%;
    }

    header {
        padding-top: 50px;
        padding-bottom: 150px;
    }

    .main_bg {
        width: 100%;
    }

    .wrapper_logo > .logo {
        margin-right: 15px;
    }

    .descriptor {
        font-size: 0.8rem;
    }

    .headers {
        margin-top: 100px;
    }

    h1 {
        font-size: 2.2rem;
    }

    p.sub_h1 {
        font-size: 1rem;
        margin: 20px 0;
    }

    ul.head_bullets li > div {
        font-size: 0.79rem;
        margin-left: 30px;
        margin-right: 60px;
    }

    ul.head_bullets li:nth-child(1) {
        width: 214px;
        border-radius: 7px;
        height: 115px;
        z-index: 3;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 200px;
        height: 125px;
        z-index: 2;
        top: 110px;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 192px;
        height: 128px;
        z-index: 1;
        top: 230px;
    }

    .advantage_1 {
        left: 0px;
        top: 20px;
    }

    .advantage_1 img {
        right: -10px;
        bottom: -10px;
    }

    .advantage_2 {
        left: 0px;
        top: 300px;
    }


    .advantage_3 {
        text-align: right;
        right: 0px;
        top: 20px;
    }

    .advantage_3 img {
        left: -35px;
        bottom: -55px;
    }

    .advantage_4 {
        text-align: right;
        right: 0px;
        top: 300px;
    }

    #course {
        height: 750px;
    }

    .cloud {
        left: 33%;
        z-index: 3;
    }

    .play {
        top: 339px;
        left: 26%;
        z-index: 2;
    }

    .macbook img {
        left: 8%;
        z-index: 1;
        top: 150px;
        width: 86%;
    }

    .slick-prev {
        left: 350px;
    }

    .slick-next {
        right: 350px;
    }

    section {
        padding-top: 75px;
    }
}


@media (min-width: 1440px) {
    .button {
        width: 100%;
        font-size: 12px;
        padding-top: 10px;
        padding-bottom: 10px;
        color: white;
        border-radius: 25px;
    }

    div.wrapper_airplane2 {
        bottom: 100px;
        right: 15px;
    }

    p.figure_btn_title {
        font-weight: 400;
        font-size: 1.2rem;
        top: 32px;
        left: 25%;
    }

    header {
        padding-top: 50px;
        padding-bottom: 290px;
    }

    .main_bg {

        width: 100%;
    }

    .wrapper_logo > .logo {
        margin-right: 15px;
    }

    .descriptor {
        font-size: 0.9rem;
    }

    .headers {
        margin-top: 150px;
    }

    h1 {
        font-size: 1.8rem;
    }

    p.sub_h1 {
        font-size: 1.3rem;
        margin: 40px 0;
    }

    ul.head_bullets li > div {
        font-size: 1.1rem;
        margin-left: 30px;
        margin-right: 60px;
    }

    ul.head_bullets li:nth-child(1) {
        width: 285px;
        border-radius: 7px;
        height: 155px;
        z-index: 3;
    }

    ul.head_bullets li:nth-child(2) {
        border-radius: 7px;
        width: 265px;
        height: 165px;
        z-index: 2;
        top: 150px;
    }

    ul.head_bullets li:nth-child(3) {
        border-radius: 7px;
        width: 265px;
        height: 178px;
        z-index: 1;
        top: 290px;
    }

    section {
        padding-top: 75px;
    }

    h2.second_heading {
        font-weight: 500;
        margin-bottom: 45px;
    }

    h2.second_heading span {
        font-size: 4rem;
    }

    .card-title {
        font-size: 2rem;
    }

    .card-text {
        font-size: 1.1rem;
        padding: 25px 25px;
    }

    #course {
        height: 750px;
    }

    .cloud {
        left: 35%;
        z-index: 3;
    }
    
    .play {
        top: 340px;
        left: 31%;
        z-index: 2;
    }
    
    .macbook img {
        left: 17%;
        z-index: 1;
        top: 150px;
        width: 65%;
    }
    
    .advantage_1 {
        left: 100px;
        top: 20px;
    }
    
    .advantage_1 img {
        right: -10px;
        bottom: -10px;
    }
    
    .advantage_2 {
        left: 100px;
        top: 300px;
    }
    
    .advantage_3 {
        text-align: right;
        right: 100px;
        top: 20px;
    }
    
    .advantage_3 img {
        left: -35px;
        bottom: -60px;
    }
    
    .advantage_4 {
        text-align: right;
        right: 100px;
        top: 300px;
    }
    
    .container {
        max-width: 1200px;
    }
}