*, ::before, ::after{
  margin: 0;
  border: 0 solid;
  box-sizing: inherit;
}

:root {
  --primaryColor: #fff;
  --fontFamily: "Roboto Variable";
  --backgroundColor: #111;
  --secondaryBackgroundColor: #333;
  --viewportMaxWidth: 1200px;
  --borderRadius: 15px;
}

@font-face {
  font-family: "Roboto Variable";
  src: url("https://cdn.aerohaptic.de/font/Roboto-VariableFont_wdth,wght.ttf") format('truetype');
  font-weight: 100 900;
  font-stretch: 75% 125%;
  font-style: normal;
  font-display: swap;
}



html{
  scrollbar-width: thin;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth;
}

body{
  margin: 0;
  border: 0 solid;
  box-sizing: border-box;
  
  font-family: var(--fontFamily), Arial, sans-serif;
  text-align: center;
  background-color: var(--backgroundColor);
  color: var(--primaryColor);
}


.flex-center{
  display: flex;
  justify-content: center;
  align-items: center;
}

.border-radius{
  border-radius: var(--borderRadius);
}

.full-width{
  width: 100%;
}

.unselectable {
  user-select: none;
  -moz-user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

.normal-text-link{
  color: inherit;
  text-decoration: none;
}



header{
  height: 80px;
  width: 100%;
  background-color: var(--backgroundColor);
  display: flex;
  justify-content: center;
}

#header-content{
  padding: 12px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 50px;
  width: 60%;
  min-width: 500px;
  max-width: var(--viewportMaxWidth);
}

#header-logo{
  height: 100%;
}

#header-logo img{
  height: 100%;
}

#header-content nav{
  height: 100%;
  align-items: center;
  display: flex;
  gap: 10px;
}

#header-content nav a{
  padding: 5px;
  border: 1px transparent;
}

#header-content nav a:hover{
  border-bottom: 1px solid var(--primaryColor);
  border-top: 1px solid transparent;
}

#container{
  display: flex;
  flex-direction: column;
  gap: 50px;
  align-items: center;
  margin-bottom: 50px;
  min-height: calc(100vh - 80px - 50px - 30px);
}

#backdrop{
  height: 50vh;
  min-height: 300px;
  max-height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background-image: url(https://cdn.aerohaptic.de/img/logo/banner_bg.webp);
  background-position: center;
  background-size: cover;
  background-blend-mode: color;
  background-color: rgba(0,0,0,0.5);
}

#backdrop img{
  width: 600px;
  max-width: 75%;
  max-height: 70%;
  object-fit: contain;
}

#container .sections{
  gap: 30px;
  flex-direction: column;
  max-width: var(--viewportMaxWidth);
  width: 100%;
  padding: 10px 25px;
}

footer{
  height: 30px;
  width: 100%;
  background-color: var(--secondaryBackgroundColor);
  gap: 25px;
}

footer a{
  opacity: 0.6;
  transition: all ease-in-out 0.25s;
}

footer a:hover{
  opacity: 1;
}



@media screen and (min-width: 768px) {
  
}

@media screen and (max-width: 767px) {
  #header-content nav{
    display: none;
  }
}