/* ==========================================================================
   Ars Legis – Hauptnavigation (ersetzt jQuery FlexNav)
   Desktop (ab 992px): horizontale Leiste mit Dropdowns
   Mobil (bis 991px):  Hamburger-Button, aufklappbares Menü mit Akkordeon
   ========================================================================== */

:root {
    --nav-blue: #014492;
    --nav-blue-dark: #00336e;
    --nav-orange: #f4942e;
    --nav-light: #eff2f7;
    --nav-line: #dde3f1;
}

/* body hatte height:101% – damit würde "position: sticky" nach einer
   Bildschirmhöhe aufhören zu greifen */
body {
    height: auto;
    min-height: 101%;
}

.site-nav,
.site-nav *,
.site-nav *::before,
.site-nav *::after {
    box-sizing: border-box;
}

.site-nav {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1000;
    margin: 0;
    padding: 0;
    background: #fff;
    border-bottom: 1px solid var(--nav-line);
    box-shadow: 0 2px 10px rgba(1, 68, 146, .07);
    font-family: 'Raleway', Helvetica, Arial, sans-serif;
}

.site-nav__inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* alte globale Regeln (nav ul, ul, li …) neutralisieren */
.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 0;
    height: auto;
    float: none;
}

.site-nav li {
    position: relative;
    margin: 0;
    padding: 0;
    border: 0;
    float: none;
    display: block;
    width: auto;
}

.site-nav a {
    text-decoration: none;
}

.site-nav a:focus-visible,
.site-nav button:focus-visible {
    outline: 2px solid var(--nav-orange);
    outline-offset: 2px;
}

/* ---------- Hamburger-Button ---------- */
.site-nav__toggle {
    display: none;
    align-items: center;
    gap: .6rem;
    margin: 0 0 0 auto;
    padding: 0 18px;
    height: 54px;
    border: 0;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    cursor: pointer;
}

.site-nav__burger,
.site-nav__burger span,
.site-nav__burger span::before,
.site-nav__burger span::after {
    display: block;
}

.site-nav__burger {
    position: relative;
    width: 24px;
    height: 18px;
}

.site-nav__burger span,
.site-nav__burger span::before,
.site-nav__burger span::after {
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform .25s ease, top .25s ease, opacity .2s ease;
}

.site-nav__burger span {
    top: 8px;
}

.site-nav__burger span::before {
    content: "";
    top: -8px;
}

.site-nav__burger span::after {
    content: "";
    top: 8px;
}

/* Hamburger -> X */
.site-nav__toggle[aria-expanded="true"] .site-nav__burger span {
    background: transparent;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__burger span::before {
    top: 0;
    transform: rotate(45deg);
    background: #fff;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__burger span::after {
    top: 0;
    transform: rotate(-45deg);
    background: #fff;
}

/* ---------- Untermenü-Button (Pfeil) ---------- */
.site-nav__sub-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
}

.site-nav__sub-toggle::before {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform .2s ease;
}

.site-nav .is-open > .site-nav__sub-toggle::before {
    transform: translateY(2px) rotate(-135deg);
}

/* ==========================================================================
   DESKTOP
   ========================================================================== */
@media screen and (min-width: 992px) {

    .site-nav__menu {
        display: flex;
        flex-wrap: wrap;
        align-items: stretch;
        padding: 0 6px;
    }

    .site-nav__menu > .site-nav__item {
        display: flex;
        align-items: center;
    }

    .site-nav__menu > li > .site-nav__link {
        position: relative;
        display: block;
        padding: 16px 12px 14px;
        color: var(--nav-blue);
        font-size: 15px;
        font-weight: 500;
        letter-spacing: .05em;
        text-transform: uppercase;
        transition: color .2s ease;
    }

    .site-nav__menu > li.has-sub > .site-nav__link {
        padding-right: 4px;
    }

    /* Unterstrich-Animation */
    .site-nav__menu > li > .site-nav__link::after {
        content: "";
        position: absolute;
        left: 12px;
        right: 12px;
        bottom: 8px;
        height: 2px;
        background: var(--nav-blue);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform .25s ease;
    }

    .site-nav__menu > li > .site-nav__link:hover,
    .site-nav__menu > li > .site-nav__link.current {
        color: var(--nav-blue-dark);
    }

    .site-nav__menu > li:hover > .site-nav__link::after,
    .site-nav__menu > li:focus-within > .site-nav__link::after,
    .site-nav__menu > li > .site-nav__link.current::after {
        transform: scaleX(1);
    }

    .site-nav__menu > li > .site-nav__sub-toggle {
        width: 26px;
        height: 40px;
        color: var(--nav-blue);
    }

    /* Dropdown */
    .site-nav__sub {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 250px;
        padding: 6px 0;
        background: #fff;
        border-top: 3px solid var(--nav-blue);
        box-shadow: 0 14px 30px rgba(0, 0, 0, .14);
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
        z-index: 10;
    }

    .site-nav__item:hover > .site-nav__sub,
    .site-nav__item:focus-within > .site-nav__sub,
    .site-nav__item.is-open > .site-nav__sub {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        transition: opacity .2s ease, transform .2s ease, visibility 0s;
    }

    /* letzte Menüpunkte: Dropdown nach links öffnen */
    .site-nav__menu > li:nth-last-child(-n+2) > .site-nav__sub {
        left: auto;
        right: 0;
    }

    .site-nav__sub .site-nav__item {
        display: flex;
        align-items: center;
    }

    .site-nav__sub .site-nav__link {
        flex: 1 1 auto;
        display: block;
        padding: 10px 20px;
        color: var(--nav-blue);
        font-size: 15px;
        line-height: 1.35;
        border-left: 3px solid transparent;
        transition: background-color .15s ease, border-color .15s ease;
    }

    .site-nav__sub .site-nav__link:hover,
    .site-nav__sub .site-nav__link:focus {
        background: var(--nav-light);
        color: var(--nav-blue-dark);
    }

    .site-nav__sub .site-nav__link.current {
        border-left-color: var(--nav-orange);
        color: #000;
    }

    .site-nav__sub .site-nav__sub-toggle {
        width: 34px;
        height: 34px;
        color: var(--nav-blue);
        transform: rotate(-90deg);
    }

    /* 3. Ebene: seitlich ausklappen */
    .site-nav__sub .site-nav__sub {
        top: -9px;
        left: 100%;
    }
}

/* ==========================================================================
   MOBIL
   ========================================================================== */
@media screen and (max-width: 991.98px) {

    .site-nav {
        background: var(--nav-blue);
        border-bottom: 0;
    }

    .site-nav__inner {
        display: flex;
        flex-direction: column;
    }

    .site-nav__toggle {
        display: flex;
    }

    .site-nav__menu {
        display: none;
        max-height: calc(100vh - 54px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-top: 1px solid rgba(255, 255, 255, .2);
        padding-bottom: 8px;
    }

    .site-nav.is-open .site-nav__menu {
        display: block;
        animation: site-nav-in .25s ease;
    }

    .site-nav__menu li {
        border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .site-nav__menu .site-nav__link {
        display: block;
        padding: 14px 20px;
        color: #fff;
        font-size: 16px;
        border-left: 4px solid transparent;
    }

    .site-nav__menu > li > .site-nav__link {
        text-transform: uppercase;
        letter-spacing: .05em;
        font-weight: 500;
    }

    .site-nav__menu li.has-sub > .site-nav__link {
        padding-right: 64px;
    }

    .site-nav__menu .site-nav__link:hover,
    .site-nav__menu .site-nav__link:focus {
        background: rgba(255, 255, 255, .08);
        color: #fff;
    }

    .site-nav__menu .site-nav__link.current {
        border-left-color: var(--nav-orange);
    }

    .site-nav__sub-toggle {
        position: absolute;
        top: 0;
        right: 0;
        width: 56px;
        height: 50px;
        color: #fff;
        border-left: 1px solid rgba(255, 255, 255, .12);
    }

    .site-nav__sub {
        display: none;
        background: rgba(0, 0, 0, .18);
    }

    .site-nav__item.is-open > .site-nav__sub {
        display: block;
    }

    .site-nav__sub .site-nav__link {
        padding-left: 36px;
        font-size: 15px;
    }

    .site-nav__sub .site-nav__sub .site-nav__link {
        padding-left: 52px;
    }

    .site-nav__sub li:last-child {
        border-bottom: 0;
    }
}

@keyframes site-nav-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav *,
    .site-nav *::before,
    .site-nav *::after {
        transition: none !important;
        animation: none !important;
    }
}