:root{
    --Strong-Cyan: hsl(171, 66%, 44%);
    --Light-Blue: hsl(233, 100%, 69%);
    --Dark-Grayish-Blue: hsl(210, 10%, 33%);
    --Grayish-Blue: hsl(201, 11%, 66%);
}
*{
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box ;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body{
    font-family: "Bai Jamjuree", serif;
}
.container{
    padding-left: 15px;
    padding-right: 15px;
    width: 50% ;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
@media (max-width:767px){
    .container{
        width: 100%;
        padding-left: 30px;
        padding-right: 30px;
    }
}
.header{
    background-image: url(../images/bg-header-desktop.png);
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 50vh;
    margin-bottom: 380px;
}
@media (max-width:767px){
    .header{
        background-image: url(../images/bg-header-mobile.png);
        margin-bottom: 450px;
    }
}
.header img {
    margin: 115px 0 50px 0;
}
.header .title h1 {
    font-size: 45px;
    margin-bottom: 20px;
}
@media (max-width:767px){
    .header .title h1 {
        font-size: 35px;
    }
    
}
.download {
    margin-top: 40px;
}
.download button {
    margin: 5px;
    width: 200px;
    height: 50px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    transition: .3s;
}
@media (max-width:767px){
    .download button {
        width: 100%;
        margin-bottom: 10px;
    }
    
}
.download button:focus {
    outline: none;
}
.download .ios {
    color: white;
    background-color: var(--Strong-Cyan);
    font-size: 15px;
    box-shadow: 0px 8px 28px -11px var(--Strong-Cyan);
}
.download .ios:hover {
    background-color: hsla(171, 66%, 44%, 0.849);
}
.download .mac {
    color: white;
    background-color: var(--Light-Blue);
    font-size: 15px;
    box-shadow: 0px 8px 28px -11px var(--Light-Blue);
}
.download .mac:hover {
    background-color: hsla(233, 100%, 69%, 0.849);
}

/* //////////////////////////// */
h2{
    margin-bottom: 25px;
    font-size: 35px;
}
p{
    font-size: 16px;
    color:var(--Grayish-Blue) ;
    line-height: 1.5;
}
.head{
    margin-bottom: 60px;
}
/* /////////////////////////////////////// */
.keep-track{
    margin-bottom:150px ;
}
@media (max-width:767px){
    .keep-track{
        margin-bottom: 50px ;
    }
    
}
.keep-track .keep-track-content{
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 50px;
}
@media (max-width:767px){
    .keep-track .keep-track-content{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}
.keep-track .keep-track-content img{
    position: relative;
    left: -50px;
}
@media (min-width:768px) and (max-width: 1100px) {
    .keep-track .keep-track-content img{
        width: 500px;
    }
    
}
@media (max-width:767px){
    .keep-track .keep-track-content img{
        position: relative;
        left: 0px;
        width: calc(100% - 60px);
    }
    
}
.keep-track .keep-track-content div{
    margin-bottom: 50px;
    max-width: 300px;
}
@media (max-width:767px){
    .keep-track .keep-track-content div{
        text-align: center;
    }
    
}
.keep-track .keep-track-content div h3{
    margin-bottom: 10px;
}

/* ///////////////////////////////////////////////// */
.access-clipboard-anywhere {
    margin-bottom: 150px;
}
.access-clipboard-anywhere .image-devices{
    text-align: center;
}
@media (max-width:767px){
    .access-clipboard-anywhere .image-devices img{
        width: calc(100% - 60px);
    }
}
@media (min-width:768px) and (max-width: 1100px) {
    .access-clipboard-anywhere .image-devices img{
        width: 100%;
    }
    
}

/* /////////////////////////////////////////// */

.supercharge-your-workflow{
    margin-bottom: 150px;
}
.supercharge-your-workflow .tools{
    display: grid;
    grid-template-columns: repeat(auto-fill , minmax(250px , 1fr ));
    justify-content: center;
    align-items: center;
    gap: 50px;
    text-align: center;
    margin-bottom: 150px;
    padding: 0 100px;
}
.supercharge-your-workflow .tools img{
    margin-bottom: 30px;
}
.supercharge-your-workflow .tools h3{
    margin-bottom: 20px;
}
.supercharge-your-workflow .companies{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    padding: 0 100px;
}
@media (max-width:767px){
    .supercharge-your-workflow .companies{
        justify-items: center;
    }
    
}

/* //////////////////////////////////////////////////////// */

.clipboard-for-ios-and-mac-os{
    margin-bottom: 150px;
}
/* //////////////////////////////////////////////////////// */

.footer{
    background-color: var(--Grayish-Blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
    padding: 25px 100px;
}
@media (max-width:767px){
    .footer{
        flex-direction: column;
        gap: 0;
    }
    
}
.footer img{
    width: 60px;
}
@media (max-width:767px){
    .footer img{
        margin-bottom: 10px;
    }
}
.footer li{
    list-style: none;
    margin: 20px 10px;
}
@media (max-width:767px){
    .footer li{
        margin: 35px;
    }
}
.footer a{
    text-decoration: none;
    color: black;
    transition: .2s;
}
.footer a:hover{
    text-decoration: none;
    color: var(--Strong-Cyan);
}
.footer .icons{
    flex: 1;
    text-align: end;
}
.footer .icons img{
    width: 20px;
    margin-left: 10px;
    cursor: pointer;
}
@media (max-width:767px){
    .footer .icons img{
        margin: 15px;
        width: 25px;
    }
}
.footer ul.top{
    display: flex;
    gap: 0px;
}
@media (max-width:767px){
    .footer ul{
        text-align: center;
        margin: -20px
    }
}