:root {
    
    --Dark-Blue: hsl(233, 26%, 24%);
    --Lime-Green: hsl(136, 65%, 51%);
    --Bright-Cyan: hsl(192, 70%, 51%);

    
    --Grayish-Blue: hsl(233, 8%, 62%);
    --Light-Grayish-Blue: hsl(220, 16%, 96%);
    --Very-Light-Gray: hsl(0, 0%, 98%);
    --White: hsl(0, 0%, 100%);
}

@font-face {
    font-family: PsBold;
    src: url(../font/PublicSans-Bold.ttf);
 }

@font-face {
    font-family: PsRegular;
    src: url(../font/PublicSans-Regular.ttf);
 }

@font-face {
    font-family: PsLight;
    src: url(../font/PublicSans-Light.ttf);
 }

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "PsLight";
}

body {
    font-size: 8px;
}

.none {
    display: none;
}

.container {
    width: 100%;
    position: relative;
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    outline: none;
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.nav {
    background-color: var(--White);
    padding: 2.5rem 5rem;
    display: flex;
    
    justify-content: center;
    position: relative;
    
}

.empty {
    margin: 0 auto;
}

.hide {
    display: none;
}

.dropdown {
    z-index: 9;
    position: absolute;
    width: 100%;
    margin-top: 8rem;
    display: none;
}

.dropdown .nav-list {
    width: 80%;
    border-radius: 1.5rem;
    padding: 5rem;
    color: var(--Grayish-Blue);
    margin: 0 auto;
    list-style-type: none;
    background-color: var(--White);
}

.dropdown .nav-list .mg-r-1 {
    margin-bottom: 3rem;
}

.dropdown .nav-list .nav-text {
    font-size: 2.5rem;
    text-align: center;
}

.dropdown .nav-list .nav-text:hover {
    color: var(--Dark-Blue);
    transition: 1s;
}

.show {
    display: block;
}

.nav-logo {
    width: 15rem; 
    
}

.button {
    outline: none;
    border: none;
    color: var(--White);
    background-image: linear-gradient(to right, var(--Lime-Green), var(--Bright-Cyan));
    padding: 1rem 2rem;
    border-radius: 2.5rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.button:hover, .button:focus {
    opacity: 0.8;
    box-shadow: 3px 3px 5px 0px hsl(233, 8%, 62%,0.8);
    transition: all 0.5s;
}

.col-a {
    padding: 0 5rem 8rem 5rem;
    background-color: var(--Very-Light-Gray);
}

.col-a .section-a {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column-reverse;
}

.col-a .section-a .sec-b .bg-img .bg-sm-device {
    width: 100vw;
}

.col-a .section-a .sec-b .bg-img {
    background-image: url("/image/images/bg-intro-mobile.svg");
    background-repeat: no-repeat;
    background-position: top right;
    background-size: 100% 120%;
    
}
/* .bg-static{
      background-image: url("/image/images/bg-intro-mobile.svg");
    background-repeat: no-repeat;
    background-position: top right;
    background-size: 100% 120%;

} */

.col-a .section-a .sec-a {
    text-align: center;
}

.col-a .section-a .sec-a h1 {
    color: var(--Dark-Blue);
    padding: 3rem 0
}

.col-a .section-a .sec-a h5 {
    color: var(--Grayish-Blue);
    padding-bottom: 2.5rem;
}

.img-a {
    width: 10rem;
    height: 10rem;
}

.col-b {
    background-color: var(--Light-Grayish-Blue);
    padding: 10rem 5rem;
}

.col-b .section-a {
    text-align: center;
}

.col-b .section-a h2 {
    padding-bottom: 1.5rem;
    color: var(--Dark-Blue);
}

.col-b .section-a h5 {
    color: var(--Grayish-Blue);
    padding-bottom: 6rem;
}

.col-b .section-b {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.col-b .section-b h3 {
    color: var(--Dark-Blue);
    padding: 2rem 0;
}

.col-b .section-b p {
    color: var(--Grayish-Blue);
    font-size: 1.8rem;
    line-height: 2.5rem;
}

.col-c {
    padding: 10rem 5rem;
    background-color: var(--Very-Light-Gray);
}

.col-c .section-a {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.col-c .section-a .sec-a {
    background-color: var(--White);
}

.col-c .sec-a .flex-img {
    width: 100%;
    height: 28rem;
    border-radius: 1rem 1rem 0 0;
}

.col-c h2 {
    padding-bottom: 3rem;
    color: var(--Dark-Blue);
}

.col-c .section-a .sec-a h6 {
    color: var(--Grayish-Blue);
    margin: 2rem;
}

.col-c .section-a .sec-a p {
    color: var(--Grayish-Blue);
    font-size: 1.4rem;
    margin: 2rem;
    line-height: 2.5rem;
}

.col-c .section-a .sec-a h4 {
    color: var(--Dark-Blue);
    margin: 2rem;
    cursor: pointer;
}
.col-c .section-a .sec-a h4:hover {
    color: var(--Lime-Green);
    transition: 0.5s
}

.footer {
    background-color: var(--Dark-Blue);
    padding: 3rem 5rem;
}

.footer .section-a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer .footer-logo {
    width: 13.9rem; 
    height: 2rem;
    margin-bottom: 3rem;
    cursor: pointer;
    filter: brightness(0) invert(1);
}

.footer .section-a .sec-a .mg-r-1 {
    margin-right: 1rem;
    margin-bottom: 0;
}

.footer .section-a .sec-a .media-icon {
    margin-bottom: 2rem;
}

.footer .section-a .sec-a .sm-icon {
    color: var(--White);
    margin-right: .5rem;
    font-size: 2.5rem;
    cursor: pointer;
}

.footer .section-a .sec-a .sm-icon:hover {
    color: var(--Lime-Green);
    transition: 0.5s;
}

.footer .section-a .sec-b p {
    margin-bottom: 1rem;
    color: var(--Light-Grayish-Blue);
}

.footer .section-a .sec-c p {
    color: var(--Grayish-Blue);
}

.footer .section-a .sec-c .button {
    margin-bottom: 3rem;
}

.footer .section-a .sec-c .right {
    margin: 1rem 0;
}

.footer .section-a p {
    font-size: 1.5rem;
}

.footer .section-a .sec-b p:hover {
    color: var(--Lime-Green);
    transition: 0.5s;
    cursor: pointer;
}

.attribution {
    font-size: 1.4rem; 
    text-align: center;
    color: var(--Grayish-Blue);
}
.attribution a {
    color: var(--Light-Grayish-Blue);
}

h1 {
    font-family: PsBold;
    font-size: 5.5rem;
}

.attribution a:hover {
    color: var(--Lime-Green);
    font-size: 1.6rem;
    transition: 0.5s;
    display: inline-block;
    -ms-transform: rotate(-5deg);
    transform: rotate(-5deg);
}

h2 {
    font-size: 4rem;
}

h3 {
    font-size: 2.2rem;
}

h4 {
    font-size: 2rem;
    line-height: 2.5rem;
}

h5 {
    font-size: 1.8rem;
    line-height: 2.5rem;
}

p {
    font-family: PsLight;
    font-size: 1.8rem;
    line-height: 2.5rem;
}

h6 {
    font-size: 1.3rem;
}

.menu-open, .menu-close {
    /* margin: .5rem 0; */
    height: 2rem;
    width: 2rem;
}

.mg-r-1 {
    margin-bottom: 3rem;
}

@media only screen and (min-width: 300px) {
    html {
        font-size: 7px;
    }

    h1 {
        font-size: 4.5rem;
    }
}

@media only screen and (min-width: 350px) {
    html {
        font-size: 7px;
    }

    h1 {
        font-size: 5rem;
    }
}

@media only screen and (min-width: 400px) {
    h1 {
        font-size: 5.8rem;
    }
}

@media only screen and (min-width: 500px) {
    html {
        font-size: 8px;
    }
}

@media only screen and (min-width: 700px) {
    html {
        font-size: 10px;
    }
    h1 {
        font-size: 6rem;
    }
}

@media only screen and (min-width: 900px) {
    html {
        font-size: 12px;
    }
}





@media only screen and (min-width: 900px) {
    html {
        font-size: 7.2px;
    }

    .block {
        display: none;
    }

    .none {
        display: inherit;
    }
 
    .nav {
        align-items: center;
        position: relative;
        
        padding: 2rem 8rem;
    }

    .nav-color {
        background-color: var(--White);
    }
    
    .nav-list {
        font-family: PsLight;
        color: var(--Grayish-Blue);
        list-style-type: none;
        font-size: 1.5rem;
    }
    
    .nav-text {
        margin-right: 2rem;
        display: inline;
        padding: 2.2rem 0;
        cursor: pointer;
        border-bottom: 3px solid hsla(136, 65%, 51%, 0);
    }

    .dropdown .nav-text:hover {
        border-bottom: 3px solid hsla(136, 65%, 51%, 1);
        color: var(--Dark-Blue);
        transition: 1s;
    }
    
    .nav-logo {
        width: 17rem; 
        
    }

    .dropdown {
        display: block;
        margin: 0 auto;
        z-index: 0;
        position: relative;
        width: unset;
        position: unset;
    }

    .dropdown .nav-list {
        padding: 0;
        border-radius: 0;
        width: unset;
        margin: 0 auto;
    }

    .dropdown .nav-list .nav-text {
        font-size: 1.7rem;
        text-align: unset;
    }
    
    .dropdown .nav-list .mg-r-1 {
        margin-bottom: unset;
    }

    .col-a {
        padding: 0 8rem 0 8rem;
        
    }

    .col-a .section-a {
        display: flex;
        justify-content: unset;
        align-items: unset;
        flex-direction: row;
    }
    
    .col-a .section-a .sec-a {
        padding: 16rem 0;
        flex: calc(47% - 8rem);
        
        text-align: unset;
        
    }

    .col-a .section-a .sec-a h1 {
        padding-bottom: 2rem;
        padding-top: 0;
    }
    
    .col-a .section-a .sec-b {
        position: relative;
        flex: calc(53% + 8rem);
        
    }

    .col-a .section-a .sec-b .bg-img .bg-desktop {
        position: absolute;
        top: 0;
        right: 0;
        width: 80%;
        height: 125%;
        z-index: 1;
    }

    .col-a .section-a .sec-b .bg-img {
        background-image: url("/image/images/bg-intro-desktop.svg");
        background-repeat: no-repeat;
        background-position: top right;
        background-size:100% 100%;
        position: absolute;
        width: 100%;
        height: 100%;
        right: -8rem;
        
    }

    .img-a {
        width: 7.5rem;
        height: 7.5rem;
    }

    .col-b {
        padding: 12rem 8rem;
    }
    
    .col-b .section-a {
        text-align: unset;
        width: 70rem;
    }
    
    .col-b .section-b {
        flex-direction: row;
        text-align: unset;
    }

    .col-b .section-b .flex {
        flex: 25%;
        width: 25%;
    }
    
    .col-c {
        padding: 12em 8rem;
    }
    
    .col-c .section-a {
        text-align: unset;
        flex-direction: row;
    }

    .col-c .section-a .flex {
        flex: 25%;
        width: 25%;
    }
    
    .col-c .section-a .sec-a h4 {
        color: var(--Dark-Blue);
        margin: 2rem;
    }

    .col-c .sec-a .flex-img {
        height: 22rem;
    }
    
    .footer {
        padding: 3rem 8rem;
    }
    
    .footer .section-a {
        text-align: unset;
        flex-direction: row;
    }
    
    .footer .footer-logo {
        margin-bottom: 3rem;
    }

    path:hover {
        fill: var(--Lime-Green);
        transition: 0.5s;
    }
    
    .footer .section-a .sec-c .button {
        margin-bottom: 3rem;
    }
    
    .footer .section-a .sec-a {
        flex: 30%;
        margin-bottom: 2rem;
    }
    
    .footer .section-a .sec-b {
        flex: 15%;
    }
    
    .footer .section-a .sec-c {
        flex: 40%;
        display: flex;
        justify-content: flex-end;
    }
    
    .footer .section-a .sec-c .right {
        text-align: end;
    }
    
    .mg-r-1 {
        margin-right: 2rem;
        margin-bottom: 0;
    }

    h1 {
        font-size: 5.5rem;
    }

    @media only screen and (min-width: 1550px) {
        h1 {
            font-size: 6.5rem;
        }
        .container-fix {
            max-width: 1400px;
            margin: 0 auto;
        }
        .col-a .section-a .sec-b .bg-img {
            right: 0rem;
            
        }
        .col-a .section-a .sec-a {
            flex: 47rem;
        }
        
        .col-a .section-a .sec-b {
            flex: 53rem;
        }
        .nav {
            padding: 2rem 0rem;
        }
    }
}

@media only screen and (min-width: 1200px) {
    html {
        font-size: 10px;
    }
}