:root {
    --ff-primary: 'Rubik', sans-serif;

    --ff-body: var(--ff-primary);
    --ff-heading: var(--ff-primary);

    --fw-regular: 300;
    --fw-bold: 500;

    --fs-300: ;
    --fs-400: 0.5rem;
    --fs-500: ;
    --fs-600: ;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Rubik', sans-serif;
    font-weight: 300;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 50px;
}

header {
    height: 260px;
    position: relative;

    display: flex;
    align-items: center;
    justify-content: space-between;

    transition: height 0.5s ease-out, background-color 0.5s ease-out;
}

.hidden {
    display: none;
}

header h1.title {
    font-size: 2rem;
    flex-shrink: 0;
}

header .primary-navigation {
    display: flex;
    gap: 0rem 1rem;
    justify-content: flex-end;

    font-size: 1rem;
    text-transform: uppercase;
    flex-wrap: wrap;
}

header .primary-navigation li {
    padding: 0px 3px;
}

header .nav-button {
    display: none;
    border: 0;
    background-color: white;
    cursor: pointer;

    position: absolute;
    right: 0px;
    top: 83px;
}

header .nav-button img {
    display: none;
    width: 35px;
    height: 35px;
    transform: scaleX(-1);
    transition: transform 0.4s ease-out;
}

@media (max-width: 920px) {
    header h1.title {
        font-size: 1.8rem;
    }

    header .primary-navigation {
        max-width: 360px;
        font-size: 0.9rem;
    }

    header .primary-navigation>* {
        text-align: right;
        min-width: 70px;
    }
}

@media (max-width: 660px) {

    header {
        height: 200px;
    }

    header h1.title {
        font-size: 1.5rem;
    }

    header .primary-navigation {
        display: none;
    }

    header .nav-button {
        display: block;
    }

    header .nav-button img {
        display: block;
    }

    /* mobile menue active */
    header.mobile-menue-active {
        height: 100vmax;
        width: 100%;
        background-color: white;
    }

    header.mobile-menue-active h1.title {
        display: none;
    }

    header.mobile-menue-active nav {
        width: 100%;
    }

    header.mobile-menue-active .primary-navigation {
        display: flex;
        flex-direction: column;
        font-size: 1.4rem;
        gap: 1.4rem 0rem;
        max-width: none;
    }

    header.mobile-menue-active .primary-navigation>* {
        text-align: center;
    }

    header.mobile-menue-active .nav-button img {
        transform: scaleX(1);
    }
}