header {
    box-sizing: border-box;
    height: 120px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 100;
    background: white;
    transition: 0.5s;
    position: fixed;
    top: 0;
    left: 0;
}

body.logged-in header {
    top: 32px;
}

body.scroll-down header {
    height: 80px;
    box-shadow: 0 0 25px rgba(0,0,0,0.10);
}

header .innerwidth {
    display: flex;
    justify-content: space-between;
    max-width: initial;
    width: calc(100% - 80px);
}

header .logo {
    height: 46px;
    background: white;
    display: flex;
    position: relative;
    gap: 45px;
    align-items: center;
}

header .logo a {
    display: block;
    background: url('../images/logo.svg') no-repeat center center;
    background-size: contain;
    text-indent: -9999px;
    width: 160px;
    height: 46px;
}

header .logo .calcon-25-jahre {
    background: url('../images/25-jahre-calcon.svg') no-repeat center center;
    background-size: contain;
    width: 90px;
    height: 90px;
    display: block;
    transition: 0.3s;
}

body.scroll-down header .logo .calcon-25-jahre {
    width: 64px;
    height: 64px;
}

@media (max-width: 768px) {
    header {
        height: 80px;
        box-shadow: 0 0 25px rgba(0,0,0,0.10);
    }

    body.logged-in header {
        top: 46px;
    }
    
    body.scroll-down header {
        top: -80px;
        box-shadow: initial;
    }

    header .logo {
        gap: 18px;
    }

    header .logo .calcon-25-jahre {
        width: 60px;
        height: 60px;
    }
}