*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
html {
    scroll-behavior: smooth;
  }
body{
    font-family: 'Poppins', sans-serif;
}
p {
    color: #555;
}
.container  {
    max-width:  1300px;
    margin: auto;
    padding-left: 25px;
    padding-right: 25px;
}
.row{   
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-around;
}
.col-2{
    flex-basis: 50%;
    min-width: 300px;
}
.col-2 img {
	max-height: 100vh;
	margin-bottom: -7px;
	padding: 0;
	margin-top: 15px;
}
.col-2 h1{
    font-size: 50px;
    line-height: 60px;
    margin: 25px 0;
}
.btn   {
    display: inline-block;
    background: #ff523b;
    color: #fff;
    padding: 8px 30px;
    margin : 30px 0;
    border-radius: 30px;
    transition: background 0.5s;

}
.btn:hover{
    background: #563434;
}
header{
    background: radial-gradient(#fff,#466082);
}
.categories{
    margin: 70px 0;
}
.col-3{
    flex-basis:30%;
    min-width: 250px;
    margin-bottom: 30px;
}
.col-3 img {
    width: 100%;
}
.small-container{
    max-width: 1080px;
    margin:auto;
    padding-left:25px;
    padding-right:25px;
    text-align:center;
}
.col-4{
    flex-basis:25%;
    padding:10px;
    min-width:200px;
    margin-bottom:50px;
    transition: transform 0.5s;
  
}
.col-4 img{
    width: 100%;
}
.title{
    text-align: center;
    margin:0 auto 35px;
    position: relative;
    line-height: 60px;
    color:#555;

}
.title::after{
    content: '';
    background: #ff523b;
    width: 80px;
    height: 5px;
    border-radius: 5px;
    position: absolute;
    bottom: 0;
    left:50%;
    transform: translateX(-50%);

}
h4{
    color: #555;
    font-weight: normal;

}
.col-4 p{
    font-size: 14px;
}
.col-4:hover{
    transform: translateY(-5px);
}

/*--- logos --- */

.logos .col-2, .logos .col-3{
    transition: transform 1s;
    text-align:center;
}
.logos .col-2:hover,.logos .col-3:hover {
    
    transform: rotate(360deg);
    -webkit-transform: rotate(360deg);    
}
.logos{
    margin:25px auto;
}
.logos .col-2{
    text-align:center;
}
.col-5{
    width:150px;
    margin-bottom:78px;
    text-align:center;
}
.logos .col-2 img{

    cursor:pointer;
}
.col-3 img{
   
    cursor:pointer;
}
.rectangle-200{
    max-height:200px;
    max-width:200px;
}
.rectangle-222{
    max-height:222px;
    max-width:222px;
}
/*--- cs50 --- */
.cs50{
    margin:25px auto;
    
}

/*--- footer --- */
footer{
    position :relative;     
    background: #000;
    color: #8a8a8a;
    font-size: 14px;
    padding: 60px 0 20px;

}
footer p{
    color: #8a8a8a;
}
footer h3{
    color: #fff;
    margin-bottom: 20px;
}
footer .col-1,footer .col-2,footer .col-3,footer. col-4{
    min-width: 250px;
    margin-bottom: 20px;
}
footer .col-1{
    flex-basis: 30%;
}
footer .col-2{
    flex: 1;
    text-align: center;
}
footer .col-2 img{
    width: 180px;
    margin-bottom: 20px;
}
footer .col-3, footer .col-4{
    flex-basis: 12%;
    text-align: center;
}
ul{
    list-style-type: none;
}
.app-logo{
    margin-top: 20px;
}
.app-logo img{
    width: 140px;
}
footer hr{
    border: none;
    background: #b5b5b5;
    height: 1px;
    margin: 20px 0;
}
footer .link{
    color: #ff7800;
    text-decoration:none;
}
.copyright{
    text-align: center;
}
#fota{
    transition: opacity 1.5s
}

  .video-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
  }
  .responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
  }
  .float{
	position:fixed;
	width:60px;
	height:60px;
	bottom:230px;
    right:20px;
    top: unset;
	background-color:#0C9;
	color:#FFF;
	border-radius:50px;
	text-align:center;
    box-shadow: 2px 2px 3px #999;
    transition: visibility 0.5s,opacity 0.5s;
}
.my-float{
	margin-top:22px;
}
@media screen and (max-width: 600px) {
    .rectangle-200{
        max-width:140px;
    }
    .rectangle-222{
        max-width:200px;
    }    
    .margin-top-35{
        margin-top:35px;

    }
    .title {
        font-size: 18px;
        line-height:30px;
    }
    .title:after{
        bottom: -8px;
    }
 

  }

  @media screen and (max-width: 800px) {
    .float {
        position: absolute;
        width: 40px;
        height: 40px;
        bottom: unset;
        top: 11px;
        box-shadow: none; 
        left: 50%;
        transform: translateX(-50%);
    }    
    .my-float{
        margin-top:11px;
    }   
}