.header_container {
    width: 100vw;
    max-width: 100vw;
    height: 50px;

    transition: height .3s ease, background-color 1s ease, backdrop-filter 1s ease, opacity 1s ease;

    position: fixed;
    top: 0px;
    left: 0px;

    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);

    animation: header_load 1s forwards;

    z-index: 9999;
}

.header_container span {
    user-select: none;
}

@keyframes header_load {
    from{
        top: -50px;
    }
    to{
        top: 0px;
    }
}

.header_container:hover {
    height: 60px;
    background-color: var(--header-hover);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header_container.force-hover {
    height: 60px;
    background-color: var(--header-hover);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 100%;
}

.header {
    width: 100%;
    height: 100%;
    opacity: 80%;

    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;

    transition: 1s ease;
}

.header:hover {
    opacity: 100%;
}

.header.force-hover {
    opacity: 100%;
}

.header_bottom_line {
    width: 75%;
    height: 1px;

    position: absolute;
    bottom: 0px;

    opacity: 50%;
    transition: .7s ease;

    background-color: var(--color-white);
}

.header_container:hover .header_bottom_line {
    width: 80%;
    height: 2px;
    opacity: 60%;
}

.header_button_txt_container {
    width: fit-content;
    height: fit-content;

    display: flex;
    gap: 10px;
}

.header_button_txt_container span {
    font-size: var(--small-font-size);
    font-family: var(--bebas-font);
    color: var(--text-color);
    line-height: 1;
    text-align: center;

    cursor: pointer;
}

.header_button_txt_container a {
    transition: scale .5s ease, opacity .2s ease;
    opacity: .8;
}

.header_button_txt_container a:hover {
    scale: 1.05;
    opacity: 1;
}

.header_button_txt_container figure {
    width: 1px;
    height: 100%;

    background-color: var(--color-white);

    cursor: default;
}

.header_socials_container {
    width: fit-content;
    height: fit-content;

    gap: 10px;
    filter: brightness(var(--filter-brightness));

    display: flex;
    flex-direction: row;

    position: absolute;
    right: 20px;
}

.header_socials {
    width: 1.5rem;
    height: 1.5rem;

    cursor: pointer;
    
    transition: transform .5s ease;
}

.header_socials:hover {
    transform: scale(1.05);
}