@font-face {
    font-family: "montserrat-bold";
    src: url("/font/Montserrat-Bold.ttf");
}
@font-face {
    font-family: "montserrat-light";
    src: url("/font/montserrat-Light.ttf");
}


html{
    overflow-x: hidden;
}
body{
    /* background-color: rgb(15, 15, 15); */
    background-color: white;
    margin:0;
    overflow-x: hidden;
}

.header{
    display: flex;
    border-bottom: black 2px solid;
    /* background-color: rgb(10,10,10); */
    background-color: white;
}

.logo{
    width: 350px;
    height: auto;
    margin-left: 20px;
}
.headline{
    /* color: rgb(235, 235, 235); */
    color: rgb(15, 15, 15);
    font-size: 34px;
    margin-left: calc(50vw - 370px);
    margin-top: 10px;
    transform: translateX(-50%);
}

/* content */
.content{
    margin-top:30px;
}
.about-us{
    position: relative;
    width: 60%;
    left: 50%;
    transform: translateX(-50%);
}
.motivation{
    /* color: rgb(235,235,235); */
    color: rgb(15, 15, 15);
    font-size: 20px;
    font-family: "montserrat-bold";
    text-align: justify;
}
.motivation-head{
    text-align: center;
    color:#1babd0;
    font-size: 40px;
}
.span-yellow{
    color: #efd63e;
}

.group-image{
    width: 100%;
    height:auto;
    margin-top: 20px;
    -webkit-filter: drop-shadow(5px 5px 10px #222);
    filter: drop-shadow(5px 5px 10px #222);
}

/* product */
.product{
    margin-top:60px;
    position: relative;
    width: 60%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
    font-family: "montserrat-bold";
}
.product-header{
    color:#1babd0;
    font-size: 50px;
    text-align: center;
}
.product-description{
    text-align: center;
}
.product-functions{
    /* margin: auto; */
    font-size: 30px;
    width: 100%;
}
.function{
    text-align: center;
    width: 80%;
    margin:auto;
    margin-top: 80px;
    margin-bottom: 100px;
    /* position: relative; */
}

.function-name{
    color:#1babd0;
}

/* .function::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%; 
  transform: translate(-50%, -50%);
  width: 110%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: #efd63e;
  z-index: -1;
} */

/* .product-advantages{
    position: relative;
    top: -120px;
} */

.advantages-header{
    color:#1babd0;
    font-size: 50px;
    text-align: center;
}
.advantages{
    width: 60%;
    margin:auto;
}

/* usage */
.usage{
    font-family: "montserrat-bold";
    position: relative;
    width: 60%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
    font-family: "montserrat-bold";

}
.usage-header{
    color:#1babd0;
    font-size: 50px;
    text-align: center;
}
.usage-content{
    width: 60%;
    margin:auto;
}
/* technology */
.technology{
    font-family: "montserrat-bold";
    position: relative;
    width: 60%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
    font-family: "montserrat-bold";
    margin-top:100px;
}
.technology-header{
    color:#1babd0;
    font-size: 50px;
    text-align: center;
}

.control-box{
    display: flex;
    align-items: center;
}
.control-box > img{
    width: 50%;
    -webkit-filter: drop-shadow(5px 5px 10px #222);
    filter: drop-shadow(5px 5px 10px #222);
}
.control-desc{
    width: 50%;
}
.rod-desc{
    width: 50%;
    padding-left: 20px;
}
.images{
    width: 50%;
    display: flex;
    align-items: center;
}
.images > img{
    width: 50%;
    -webkit-filter: drop-shadow(5px 5px 10px #222);
    filter: drop-shadow(5px 5px 10px #222);
}
.rod{
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
}
.rod > img{
    width:50%;
    -webkit-filter: drop-shadow(5px 5px 10px #222);
    filter: drop-shadow(5px 5px 10px #222);
}
/* decorations */
.decorations{
    overflow: hidden;
}
.background-circle{
    position: absolute;
    z-index: -1;
}
.background-circle1{
    left: -50%;
    top: 10%;  
}
.background-circle2{
    left: 50%;
    top: 100%;
}
/* footer */
footer{
    margin-top: 40px;
    height: 200px;
    border-top: white 1px solid;
    background-color: rgb(5, 5, 5);
    padding: 30px;
    color: white;
    font-family: "montserrat-light";
}
.disclaimer{
    margin-top:20px;
}
@media (max-width: 1200px) {
    .logo-container{
        margin-bottom: 30px;
    }
    .headline{
        font-size: 25px;
        margin-top: auto;
    }
}
@media (max-width: 700px) {
    .logo-container{
        margin-bottom: 30px;
    }
    .headline{
        font-size: 20px;
        margin-top: auto;
    }
    .rod, .control-box{    
        flex-wrap: wrap
    }
    .images, .rod-desc, .control-desc{    
        width: 100%;
    }
    .rod-desc{
        padding-left: 0px;
    }
}
@media (max-width: 480px) {
    body{
        overflow-x: hidden;
    }
    .logo-container{
        margin-bottom: 20px;
    }
    .headline{
        font-size:15px;
        margin-top: auto;
    }
    .about-us, .technology, .usage, .product{
        width: 80%;
    }
    .advantages, .usage-content{
        width: 100%;
    }
    .advantages-header, .usage-header, .technology-header{
        font-size: 40px;
    }
}