/* =========================================================
   KUIPERS BADKAMERS - NAVIGATIE
   Mobile first
   ========================================================= */

:root {
    --header-height: 4.7rem;
}


/* ---------------------------------------------------------
   PAGINA
   --------------------------------------------------------- */

html {
    overflow-x: clip;
    scrollbar-gutter: stable;
    scroll-padding-top: var(--header-height);
}

body {
    overflow-x: clip;

    /*
     * Ruimte reserveren voor de vaste header
     */
    padding-top: var(--header-height);
}


/* ---------------------------------------------------------
   HEADER
   --------------------------------------------------------- */

.site-header {
    position: fixed;
    z-index: 100;

    top: 0;
    right: 0;
    left: 0;

    width: 100%;

    background:
        color-mix(
            in srgb,
            var(--color-bg) 96%,
            transparent
        );

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

.header-inner {
    min-height: var(--header-height);

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

    gap: 1rem;
}


/* ---------------------------------------------------------
   MOBIELE NAVIGATIE
   --------------------------------------------------------- */

.main-nav {
    position: fixed;
    z-index: 102;

    top: var(--header-height);
    right: 0;
    left: auto;

    width: min(90vw, 25rem);

    height: calc(100dvh - var(--header-height));
    max-height: calc(100dvh - var(--header-height));

    overflow-x: hidden;
    overflow-y: auto;

    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;

    padding: 1rem;

    background: var(--color-surface);

    box-shadow:
        -1rem 2rem 4rem
        rgba(0, 0, 0, .15);

    transform: translate3d(100%, 0, 0);

    transition:
        transform var(--transition);

    will-change: transform;
}


/* Menu geopend */

body.menu-open {
    overflow-y: hidden;
}

body.menu-open .main-nav {
    transform: translate3d(0, 0, 0);
}


/* ---------------------------------------------------------
   OVERLAY
   --------------------------------------------------------- */

.menu-overlay {
    position: fixed;
    z-index: 99;

    inset: var(--header-height) 0 0 0;

    background: rgba(9, 18, 16, .42);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity var(--transition),
        visibility var(--transition);
}

body.menu-open .menu-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}


/* ---------------------------------------------------------
   HAMBURGER
   --------------------------------------------------------- */

.menu-toggle {
    position: relative;
    z-index: 103;

    width: 2.9rem;
    height: 2.9rem;

    display: grid;
    place-items: center;

    flex: 0 0 auto;

    padding: 0;

    border: 1px solid var(--color-line);
    border-radius: 50%;

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

    cursor: pointer;
}

.menu-icon {
    width: 1.15rem;

    display: grid;
    gap: 4px;
}

.menu-icon i {
    display: block;

    width: 100%;
    height: 1px;

    background: currentColor;

    transition:
        transform var(--transition),
        opacity var(--transition);
}

body.menu-open .menu-icon i:nth-child(1) {
    transform:
        translateY(5px)
        rotate(45deg);
}

body.menu-open .menu-icon i:nth-child(2) {
    opacity: 0;
}

body.menu-open .menu-icon i:nth-child(3) {
    transform:
        translateY(-5px)
        rotate(-45deg);
}


/* ---------------------------------------------------------
   MENU LIJST
   --------------------------------------------------------- */

.nav-list,
.submenu {
    margin: 0;
    padding: 0;

    list-style: none;
}

.nav-list > .nav-item {
    border-bottom:
        1px solid var(--color-line);
}


/* ---------------------------------------------------------
   LINKS + SUBMENU BUTTONS
   --------------------------------------------------------- */

.nav-list a,
.submenu-toggle {
    width: 100%;
    min-height: 3rem;

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

    gap: .8rem;

    padding: .65rem .4rem;

    border: 0;

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

    font: inherit;
    font-size: .92rem;
    font-weight: 650;

    line-height: 1.3;

    text-align: left;
    text-decoration: none;

    cursor: pointer;
}

.nav-list a:hover,
.nav-list a:focus-visible,
.submenu-toggle:hover,
.submenu-toggle:focus-visible {
    color: var(--color-primary-2);
}


/* ---------------------------------------------------------
   CTA
   --------------------------------------------------------- */

.nav-cta {
    justify-content: center !important;

    margin: .75rem 0;
    padding-inline: 1rem !important;

    border-radius: 999px;

    background:
        var(--color-primary) !important;

    color:
        var(--color-white) !important;
}


/* ---------------------------------------------------------
   MOBIELE SUBMENU'S
   --------------------------------------------------------- */

.submenu {
    display: grid;

    grid-template-rows: 0fr;
    grid-auto-rows: 0fr;

    overflow: hidden;

    opacity: 0;

    transition:
        grid-template-rows var(--transition),
        grid-auto-rows var(--transition),
        opacity var(--transition);
}

.submenu > li {
    min-height: 0;

    overflow: hidden;
}

.has-submenu.is-open > .submenu {
    grid-template-rows: 1fr;
    grid-auto-rows: 1fr;

    opacity: 1;
}


/* Niveau 2 */

.submenu a,
.submenu .submenu-toggle {
    padding-left: 1rem;

    font-size: .84rem;
    font-weight: 550;
}


/* Niveau 3 */

.submenu .submenu .submenu-toggle,
.submenu .submenu a {
    padding-left: 1.8rem;
}


/* ---------------------------------------------------------
   PIJLTJE
   --------------------------------------------------------- */

.chevron {
    width: .55rem;
    height: .55rem;

    flex: 0 0 .55rem;

    border-right:
        1.5px solid currentColor;

    border-bottom:
        1.5px solid currentColor;

    transform: rotate(45deg);

    transition:
        transform var(--transition);
}

.has-submenu.is-open
> .submenu-toggle
.chevron {
    transform: rotate(225deg);
}


/* =========================================================
   DESKTOP
   ========================================================= */

@media (min-width: 1000px) {

    :root {
        --header-height: 5.5rem;
    }


    /* -----------------------------------------------------
       HEADER
       ----------------------------------------------------- */

    .site-header {
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);

        background:
            color-mix(
                in srgb,
                var(--color-bg) 88%,
                transparent
            );
    }

    .header-inner {
        min-height: var(--header-height);
    }


    /* -----------------------------------------------------
       BODY
       ----------------------------------------------------- */

    body.menu-open {
        overflow-y: visible;
    }


    /* -----------------------------------------------------
       HAMBURGER
       ----------------------------------------------------- */

    .menu-toggle {
        display: none;
    }


    /* -----------------------------------------------------
       OVERLAY
       ----------------------------------------------------- */

    .menu-overlay {
        display: none;
    }


    /* -----------------------------------------------------
       NAVIGATIE TERUG IN HEADER
       ----------------------------------------------------- */

    .main-nav {
        position: static;

        width: auto;
        height: auto;
        max-height: none;

        overflow: visible;

        overscroll-behavior: auto;

        padding: 0;

        background: transparent;

        box-shadow: none;

        transform: none;

        transition: none;

        will-change: auto;
    }


    /* -----------------------------------------------------
       HOOFDMENU
       ----------------------------------------------------- */

    .nav-list {
        display: flex;
        align-items: center;

        gap: .15rem;
    }

    .nav-list > .nav-item {
        position: relative;

        border: 0;
    }


    /* -----------------------------------------------------
       LINKS
       ----------------------------------------------------- */

    .nav-list a,
    .submenu-toggle {
        min-height: 2.75rem;

        padding:
            .55rem
            .8rem;

        font-size: .8rem;
    }


    /* -----------------------------------------------------
       CTA
       ----------------------------------------------------- */

    .nav-cta {
        margin:
            0
            0
            0
            .4rem;

        padding-inline:
            1.1rem !important;
    }


    /* -----------------------------------------------------
       DESKTOP SUBMENU
       ----------------------------------------------------- */

    .submenu {
        position: absolute;

        top: calc(100% + .55rem);
        left: 0;

        min-width: 15rem;

        display: block;

        padding: .45rem;

        overflow: visible;

        background:
            var(--color-surface);

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

        border-radius: .8rem;

        box-shadow:
            0 1.5rem 4rem
            rgba(0, 0, 0, .12);

        opacity: 0;
        visibility: hidden;

        transform:
            translate3d(
                0,
                -.4rem,
                0
            );

        transition:
            opacity var(--transition),
            visibility var(--transition),
            transform var(--transition);
    }


    /* Niveau 2 openen */

    .has-submenu:hover > .submenu,
    .has-submenu:focus-within > .submenu {
        opacity: 1;
        visibility: visible;

        transform:
            translate3d(
                0,
                0,
                0
            );
    }


    /* Submenu-items normale hoogte */

    .submenu > li {
        position: relative;

        min-height: auto;

        overflow: visible;
    }


    /* -----------------------------------------------------
       NIVEAU 3
       ----------------------------------------------------- */

    .submenu .submenu {
        top: -.45rem;

        left: calc(100% + .45rem);

        transform:
            translate3d(
                -.4rem,
                0,
                0
            );
    }

    .submenu
    .has-submenu:hover
    > .submenu,

    .submenu
    .has-submenu:focus-within
    > .submenu {
        transform:
            translate3d(
                0,
                0,
                0
            );
    }


    /* -----------------------------------------------------
       SUBMENU LINKS
       ----------------------------------------------------- */

    .submenu .submenu-toggle,
    .submenu a {
        min-height: 2.5rem;

        padding:
            .55rem
            .7rem;

        border-radius: .45rem;
    }

    .submenu .submenu .submenu-toggle,
    .submenu .submenu a {
        padding-left: .7rem;
    }


    /* -----------------------------------------------------
       PIJLTJE
       ----------------------------------------------------- */

    .submenu .chevron {
        transform: rotate(-45deg);
    }

    .submenu
    .has-submenu:hover
    > .submenu-toggle
    .chevron,

    .submenu
    .has-submenu:focus-within
    > .submenu-toggle
    .chevron {
        transform: rotate(-45deg);
    }


    /* -----------------------------------------------------
       Desktop hover/focus
       ----------------------------------------------------- */

    .submenu-toggle {
        pointer-events: none;
    }

    .submenu-toggle .chevron {
        display: none;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    .main-nav,
    .menu-overlay,
    .menu-icon i,
    .submenu,
    .chevron {
        transition-duration: .01ms !important;
    }
}

@media (prefers-color-scheme: dark) {

  /* hover/focus was --color-primary-2: te weinig contrast op de donkere header */
  .nav-list a:hover,
  .nav-list a:focus-visible,
  .submenu-toggle:hover,
  .submenu-toggle:focus-visible {
    color: var(--color-link);
  }

  /* CTA viel weg tegen de header; zelfde kleur als .button-primary in dark mode.
     !important nodig omdat de basisregel ook !important gebruikt. */
  .nav-cta {
    background: var(--color-primary-2) !important;
  }
  .nav-cta:hover,
  .nav-cta:focus-visible {
    background: #2f6158 !important;
  }

  /* schaduwen van mobiel paneel en desktop-submenu waren onzichtbaar op donker */
  .main-nav {
    box-shadow: -1rem 2rem 4rem rgba(0, 0, 0, .5);
  }
  .submenu {
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .45);
  }
}