header{
    position: fixed;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    overflow: hidden;
    padding: 0.5rem 11rem;
    z-index: 100;
    transform: translateY(-50px);
    opacity: 0;
    transition: 0.3s ease-in-out;
    animation: fadeDown 1s ease-in-out forwards;
    animation-delay: 1.6s;
    backdrop-filter: blur(12px); 
}

.overl{
    background-color: #03001476;
}

@keyframes fadeDown {
    0%{
        transform: translateY(-50px);
        opacity: 0;
    }
    100%{
        transform: translateY(0px);
        opacity: 1;
    }
}

.border-bottom{
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    opacity: 0; 
    background: linear-gradient(to left,transparent 5%, #4b4861 50%, transparent 95%);
}

.border-bottom.visib {
  opacity: 1;
}

.img-header{
    width: 80px;
}

.menu-principal{
    display: flex;
    align-items: center;
    gap: 1rem;
}


.link{
    position: relative;
    font-size: 1rem;
    padding: 5px 16px;
    border-radius: 30px;
    color: rgb(145 142 160);
    transition: 0.3s ease-in-out;
    border: 1px solid transparent;
}

.link.active{
    color: white;
    font-weight: 500;
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.09) 10.51%, rgba(255, 255, 255, 0) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.link:hover{
    color: white;
    border-radius: 30px;
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.09) 10.51%, rgba(255, 255, 255, 0) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.link:hover::before{
    content: '';
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0) 2.56%, rgba(255, 255, 255, 0.4) 51.48%, rgba(255, 255, 255, 0) 97.44%);
    height: 1px;
    position: absolute;
    left: 25%;
    top: 0px;
    width: 50%;
}

.link.active:before{
     content: '';
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0) 2.56%, rgba(255, 255, 255, 0.4) 51.48%, rgba(255, 255, 255, 0) 97.44%);
    height: 1px;
    position: absolute;
    left: 25%;
    top: 0px;
    width: 50%;
}