/* ==========================================================
   3) Navigation – Desktop
========================================================== */

.nav {
    margin-top: 15px;
    position: relative;
    z-index: 2500;
}

.nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 25px;
}

.nav a {
    color: #fff;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 6px;
    transition: background .25s ease, transform .25s ease;
}

.nav a:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-2px);
}

.nav ul li.active a {
    background: rgba(255,255,255,0.28);
}


/* ==========================================================
   4) Burger-Menü – Optimiert
========================================================== */

.nav-toggle {
    display: none;
}

/* Klickfläche */
.nav-toggle-label {
    display: none;
    cursor: pointer;
    position: relative;   /* statt absolute */
    float: right;
    margin-top: -35px;     /* Abstand unter der Grafik */
    width: 42px;
    height: 42px;
    padding: 8px;
    border-radius: 8px;
    transition: background .3s ease;
}

.nav-toggle-label:hover {
    background: rgba(255,255,255,0.15);
}

/* Linien */
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: #fff;
    height: 3px;
    width: 28px;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: .35s ease;
}

.nav-toggle-label span {
    top: 50%;
    transform: translate(-50%, -50%);
}

.nav-toggle-label span::before {
    content: "";
    top: -9px;
}

.nav-toggle-label span::after {
    content: "";
    top: 9px;
}

/* Animation – Burger → X */
.nav-toggle:checked + .nav-toggle-label span {
    background: transparent;
}

.nav-toggle:checked + .nav-toggle-label span::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span::after {
    top: 0;
    transform: translateX(-50%) rotate(-45deg);
}


/* ==========================================================
   5) Navigation – Responsive (optimiert)
========================================================== */

@media (max-width: 900px) {

    .nav-toggle-label {
        display: block;
    }

    .nav ul {
        display: none;
        flex-direction: column;
        background: rgba(0,0,0,0.92);
        padding: 28px;
        margin-top: 15px;
        border-radius: 14px;
        gap: 20px;
        box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        position: absolute;
        right: 15px;
        top: 65px;
        z-index: 2500;
        animation: fadeIn .35s ease forwards;
    }

    .nav-toggle:checked ~ nav ul {
        display: flex;
    }

    .nav a {
        padding: 14px 18px;
        font-size: 1.15rem;
        border-radius: 8px;
        transition: background .25s ease, transform .25s ease;
    }

    .nav a:hover {
        background: rgba(255,255,255,0.22);
        transform: translateX(4px);
    }
}

/* Fade-In Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ==========================================================
   Navigation – Scroll-Effekt (optimiert)
========================================================== */

header.scrolled {
    padding-bottom: 10px;
    background: rgba(179, 0, 0, 0.95);
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    transition: all .3s ease;
}

header.scrolled .nav-toggle-label span,
header.scrolled .nav-toggle-label span::before,
header.scrolled .nav-toggle-label span::after {
    background: #fff;
}

header.scrolled .nav a {
    padding: 8px 14px;
    font-size: 0.95rem;
}

header.scrolled .header-banner img {
    max-width: 600px;
    transition: max-width .3s ease;
}