/* ── Header ──────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix( in srgb, white 88%, transparent );
    backdrop-filter: saturate( 160% ) blur( 10px );
    border-bottom: 1px solid var(--border);
}

.site-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-block: 1.25rem;
}

#site-header-logo {
    width: 150px;
    height: auto;
    display: block;
    flex-shrink: 0;
}

#site-header-logo:hover {
    cursor: pointer;
}

/* ── Navigation ──────────────────────────── */
.main-navigation {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.main-navigation ul {
    display: flex;
    justify-content: flex-end;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    display: block;
    padding: 0.5rem 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: 4px;
    transition: background 0.15s;
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
    background: color-mix( in srgb, var(--text-muted) 8%, transparent );
}

/* ── Dropdown-Untermenüs ─────────────────── */
.main-navigation ul ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 100%;
    width: max-content;  
    max-width: 280px;
    background: var(--surface-muted);
    border: 1px solid var(--border);
    border-top: 2px solid var(--brand);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px -8px rgba( 0, 0, 0, 0.15 );
    padding: 0.25rem 0;
    z-index: 100;
}

.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul,
.main-navigation li.focus > ul {
    display: block;
}

.main-navigation ul ul a {
    padding: 0.5rem 1rem;
    font-size: 0.88rem;
    border-radius: 0;
}

.main-navigation ul ul a:hover {
    background: var(--surface-muted);
    color: var(--brand);
}

/* Chevron bei Items mit Untermenü */
.main-navigation .menu-item-has-children > a::after {
    content: "\F282";
    font-family: "bootstrap-icons";
    font-size: 0.75rem;
    margin-left: 0.3rem;
    vertical-align: -0.05em;
    display: inline-block;
    transition: transform 0.2s ease;
}

.main-navigation .menu-item-has-children:hover > a::after,
.main-navigation .menu-item-has-children:focus-within > a::after {
    transform: rotate( 180deg );
}

/* ── CTA-Button ──────────────────────────── */
.header-cta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.1rem;
    background: var(--brand);
    color: var(--surface);
    border: 1.5px solid var(--brand);
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.header-cta:hover {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
}

/* ── Hamburger-Button ────────────────────── */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.menu-toggle .bar {
    width: 22px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.toggled .menu-toggle .bar:nth-child(1) { transform: translateY( 7px ) rotate( 45deg ); }
.toggled .menu-toggle .bar:nth-child(2) { opacity: 0; }
.toggled .menu-toggle .bar:nth-child(3) { transform: translateY( -7px ) rotate( -45deg ); }

/* ── Mobil ───────────────────────────────── */
@media ( max-width: 768px ) {
    .menu-toggle {
        display: flex;
    }

    .main-navigation ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface-muted);
        border-bottom: 1px solid var(--border);
        padding: 1rem var(--gutter);
        gap: 0;
    }

    .main-navigation.toggled ul {
        display: flex;
    }

    /* Untermenüs statisch eingerückt */
    .main-navigation ul ul {
        position: static;
        display: none;
        border: none;
        border-left: 2px solid var(--brand);
        box-shadow: none;
        padding: 0;
        margin-left: 1rem;
        min-width: 0;
        white-space: normal;
    }

    .main-navigation li.is-open > ul,
    .main-navigation li.focus > ul {
        display: flex;
        flex-direction: column;
    }

    /* Chevron auf Mobil ausblenden */
    .main-navigation .menu-item-has-children > a::after {
        display: none;
    }

    .header-cta {
        display: none;
    }
}