/*
 * Header
 */

.site-header {
    position: sticky;

    top: 0;

    z-index: 1000;

    background: var(--color-background);

    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
        position: relative;

    min-height: 72px;

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

.site-header__logo {
    color: var(--color-text);

    font-size: 20px;
    font-weight: 700;

    text-decoration: none;
}

.primary-menu {
    display: flex;
    align-items: center;

    gap: var(--space-lg);

    margin: 0;
    padding: 0;

    list-style: none;
}

.primary-menu a {
    color: var(--color-text-muted);

    font-size: 15px;
    font-weight: 500;

    text-decoration: none;

    transition: color 0.2s ease;
}

.primary-menu a:hover {
    color: var(--color-text);
}


/*
 * Mobile menu button
 */

.site-header__toggle {
    display: none;

    width: 42px;
    height: 42px;

    padding: 8px;

    border: 0;

    background: transparent;

    cursor: pointer;
}

.site-header__toggle-line {
    display: block;

    width: 100%;
    height: 2px;

    margin: 5px 0;

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


/*
 * Screen reader utility
 */

.screen-reader-text {
    position: absolute;

    width: 1px;
    height: 1px;

    padding: 0;
    margin: -1px;

    overflow: hidden;

    clip: rect(0, 0, 0, 0);

    white-space: nowrap;

    border: 0;
}


/*
 * Mobile
 */

@media (max-width: 768px) {

    .site-header__toggle {
        display: block;
    }

    .site-header__navigation {
        position: absolute;

        top: 72px;
        left: 0;
        right: 0;

        display: none;

        padding: var(--space-md);

        border-bottom: 1px solid var(--color-border);

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

    .site-header__navigation.is-open {
        display: block;
    }

    .primary-menu {
        flex-direction: column;
        align-items: flex-start;

        gap: var(--space-md);
    }

}

/*
|--------------------------------------------------------------------------
| Mobile Menu Button
|--------------------------------------------------------------------------
*/

.mobile-menu-toggle {
    display: none;

    border: 0;

    padding: 8px;

    background: transparent;

    color: inherit;

    cursor: pointer;

    font-size: 28px;

    line-height: 1;
}


/*
|--------------------------------------------------------------------------
| Navigation
|--------------------------------------------------------------------------
*/

.primary-navigation__list {
    display: flex;

    align-items: center;

    gap: var(--space-lg);

    margin: 0;

    padding: 0;

    list-style: none;
}

.primary-navigation__list a {
    color: inherit;

    text-decoration: none;
}


/*
|--------------------------------------------------------------------------
| Mobile
|--------------------------------------------------------------------------
*/

@media (max-width: 768px) {

    .mobile-menu-toggle {
        display: flex;

        align-items: center;
        justify-content: center;
    }


    .primary-navigation {
        position: absolute;

        top: 100%;
        left: 0;

        width: 100%;

        padding: var(--space-md);

        background: var(--color-background);

        border-top: 1px solid var(--color-border);

        box-sizing: border-box;

        /*
         * Hidden by default.
         */

        display: none;

        z-index: 1000;
    }

    .primary-navigation a:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 3px solid var(--color-primary);

    outline-offset: 4px;
}


    .primary-navigation.is-open {
        display: block;
    }


    .primary-navigation__list {
        flex-direction: column;

        align-items: stretch;

        gap: 0;
    }


    .primary-navigation__list li {
        width: 100%;
    }


    .primary-navigation__list a {
        display: block;

        padding: 14px 8px;
    }

}