/* --- Grundvariablen & Setup --- */
:root {
    --bg-dropdown: #ffffff;
    --nav-bg-mobile: #ffffff;
    --text-color: #000000; /* Falls nicht definiert */
    --accent-color: #007bff; /* Deine Primärfarbe */
}

/* Versteckte Elemente */
.invisible {
    position: absolute;
    left: -100000px;
}

/* Container-Fix: Muss Dropdowns erlauben */
.nav-main-container {
    position: relative;
    z-index: 1000;
    overflow: visible !important;
}

/* --- Desktop Navigation (Ab 768px) --- */
.mod_navigation.nav-main {
    display: flex;
    z-index: 1000;
}

.mod_navigation.nav-main ul.level_1 {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: row;
    align-items: center;
}

/* Level 1 Items */
.mod_navigation.nav-main ul.level_1 > li {
    position: relative;
    padding: 15px 20px;
}

.mod_navigation.nav-main a, 
.mod_navigation.nav-main strong {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    display: inline-block;
    transition: color 0.3s ease;
}

/* Pfeil-Indikator für Submenüs */
.mod_navigation.nav-main li.submenu > a,
.mod_navigation.nav-main li.submenu > strong {
    padding-right: 20px;
}

.mod_navigation.nav-main li.submenu > a::before,
.mod_navigation.nav-main li.submenu > strong::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--text-color);
    transition: transform 0.3s ease;
}

.mod_navigation.nav-main li.submenu:hover > a::before {
    transform: translateY(-50%) rotate(180deg);
}

/* Hover-Unterstrich Level 1 */
.mod_navigation.nav-main ul.level_1 > li > a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.mod_navigation.nav-main ul.level_1 > li:hover > a::after {
    width: 100%;
}

/* --- Dropdown Level 2 (Desktop) --- */
.mod_navigation.nav-main ul.level_2 {
    position: absolute;
    top: 100%;
    left: 0;
    width: 220px;
   background: rgba(10, 45, 74, 0.3);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex; /* Flex-Box für vertikale Ausrichtung */
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    padding: 10px 0;
    list-style: none;
}

.mod_navigation.nav-main li:hover > ul.level_2 {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mod_navigation.nav-main ul.level_2 li {
    width: 100%;
}

.mod_navigation.nav-main ul.level_2 a,
.mod_navigation.nav-main ul.level_2 strong {
    padding: 10px 20px;
    display: block;
    width: 100%;
}

.mod_navigation.nav-main ul.level_2 a:hover {
    background: #f8f9fa;
    color: var(--accent-color);
}

/* --- Mobile Menü-Toggle (Hamburger) --- */
.menu-toggle {
    display: none;
    z-index: 1001;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
}

/* --- Mobile Optimierung (Max-Width: 767px) --- */
@media (max-width: 767px) {
    .menu-toggle { 
        display: block; 
        position: fixed; 
        top: 15px; 
        right: 15px; 
    }
    
    .hamburger, .hamburger::before, .hamburger::after {
        content: '';
        display: block;
        background: var(--text-color);
        height: 3px;
        width: 30px;
        transition: all 0.3s ease-in-out;
    }
    .hamburger::before { transform: translateY(-8px); }
    .hamburger::after { transform: translateY(5px); }
    
    .menu-is-open .hamburger { background: transparent; }
    .menu-is-open .hamburger::before { transform: rotate(45deg) translateY(0); }
    .menu-is-open .hamburger::after { transform: rotate(-45deg) translateY(-3px); }

    .mod_navigation.nav-main {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: var(--nav-bg-mobile);
        z-index: 1000;
        padding: 80px 40px;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.77,0.2,0.05,1.0);
        display: block; /* Mobile kein Inline-Flex */
    }

    .menu-is-open .mod_navigation.nav-main {
        transform: translateX(0);
    }

    .mod_navigation.nav-main ul.level_1 {
        flex-direction: column;
        align-items: flex-start;
    }

    .mod_navigation.nav-main ul.level_1 > li {
        font-size: 1.5rem;
        margin-bottom: 20px;
        width: 100%;
        padding: 0;
    }

    /* Submenüs mobil direkt anzeigen */
    .mod_navigation.nav-main ul.level_2 {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        margin-top: 10px;
        display: block;
        border-left: 2px solid var(--accent-color);
        width: 100%;
    }
}