@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  transition: all 0.7s ease; /* Hinzugefügte Übergangseigenschaft für alle Elemente */
}
.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.3rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}
.header::before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(30px);
    z-index: -1;
}
.header::after{
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .4), transparent);
    transition: .5s;
}
.header:hover::after{
    left: 100%;
}
.logo{
    font-size: 2rem; /*1 rem = 16px*/
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}
.navbar a{
    position: relative;
    font-size: 1.15rem;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    margin-left: 2rem;
}
.navbar a#off{
    display: none;
}
.navbar a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 5px;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .5s;
}
.navbar a:hover:after {
    transform: scaleX(1);
}
.navbar .btnLogin-popup {
    width: 130px;
    height: 50px;
    background: transparent;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1em;
    color: #fff;
    font-weight: 500;
    margin-left: 40px;
    transition: .5s;
}
.navbar .btnLogin-popup:hover {
    background: #fff;
    color: #162938;
}
#check {
    display: none;
}
.icons{
    position: absolute;
    right: 5%;
    font-size: 2.8rem;
    color: #fff;
    cursor: pointer;
    display: none;
}
@media (max-width:992px){
    .header{
        padding: 1.3rem 5%;
    }
    .navbar a#off{
        display: none;
    }
}
@media (max-width:1075px){
    .logo{
        font-size: 1.2rem; /*1 rem = 16px*/
        color: #fff;
        font-weight: 500;
    }
    .icons{
        display: inline-flex;
    }
    #check:checked~.icons #menu-icon{
        display: none;
    }
    .icons #close-icon{
        display:none;
    }
    #check:checked~.icons #close-icon{
        display: block;
    }
    .navbar{
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: 0;
        background: rgba(0, 0, 0, .1);
        backdrop-filter: blur(30px);
        box-shadow: 0.5rem rgba(0, 0, 0, .1);
        overflow: hidden;
        transition: .6s ease;
    }
    #check:checked~.navbar{
        height: 17.7rem;
    }
    .navbar a{
        display: block;
        font-size: 1.1rem;
        margin: 1.5rem 0;
        text-align: center;
        transform: translateY(-50px);
        opacity: 0;
        transition: .6s ease;
    }
    .navbar a#off{
        display: block;
        font-size: 1.1rem;
        margin: 1.5rem 0;
        text-align: center;
        transform: translateY(-50px);
        opacity: 0;
        transition: .6s ease;
    }
    .navbar .btnLogin-popup{
        display: none;
    }
    #check:checked~.navbar a{
        transform: translateY(0);
        opacity: 1;
        transition-delay: calc(.15s * var(--i));
    }
}