.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 212, 0, .72);
    border-bottom: 3px solid rgba(17, 17, 17, .7);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .16);
    backdrop-filter: blur(12px);
}

.hero-header-page .site-header {
    position: fixed;
    left: 0;
    right: 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 78px;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    min-width: 0;
    color: var(--brand-black);
    font-weight: 900;
    letter-spacing: -.03em;
    text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
    color: var(--brand-black);
    background: transparent;
}

.brand-logo {
    display: inline-flex;
    width: 88px;
    height: 44px;
    align-items: center;
}

.brand-logo img {
    max-height: 58px;
    width: auto;
    object-fit: contain;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
    order: 3;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: .65rem;
    color: var(--brand-black);
}

.nav-links>a,
.nav-links>a.btn,
.nav-toggle,
.accessibility-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: .68rem 1rem;
    color: var(--brand-black);
    background: rgba(255, 231, 106, .78);
    border: 2px solid var(--brand-black);
    border-radius: 999px;
    box-shadow: none;
    font: inherit;
    font-weight: 900;
    text-decoration: none !important;
    cursor: pointer;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.nav-links>a:hover,
.nav-links>a:focus-visible,
.nav-links>a[aria-current="page"],
.nav-toggle:hover,
.nav-toggle:focus-visible,
.accessibility-toggle:hover,
.accessibility-toggle:focus-visible,
.accessibility-toggle[aria-pressed="true"] {
    color: var(--brand-yellow);
    background: var(--brand-black);
    border-color: var(--brand-yellow);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
}

.accessibility-toggle {
    gap: .5rem;
}

.toggle-shortcut-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.6rem;
    min-height: 1.6rem;
    padding: 0 .35rem;
    margin-left: .1rem;
    color: currentColor;
    background: transparent;
    border: 2px solid currentColor;
    border-radius: .4rem;
    font: inherit;
    font-size: .9rem;
    font-weight: 900;
    line-height: 1;
}

/* Einheitlicher Hover für Header-Navigation im normalen Modus */
html:not(.accessibility-mode) .nav-links > a:hover,
html:not(.accessibility-mode) .nav-links > a:focus-visible,
html:not(.accessibility-mode) .nav-links > a.btn:hover,
html:not(.accessibility-mode) .nav-links > a.btn:focus-visible {
    color: var(--brand-yellow);
    background: #000000;
    border-color: #000000;
    text-decoration: none;
    transform: none;
}

/* Aktive Seite beim Hover ebenfalls einheitlich schwarz/gelb */
html:not(.accessibility-mode) .nav-links > a[aria-current="page"]:hover,
html:not(.accessibility-mode) .nav-links > a[aria-current="page"]:focus-visible,
html:not(.accessibility-mode) .nav-links > a.btn[aria-current="page"]:hover,
html:not(.accessibility-mode) .nav-links > a.btn[aria-current="page"]:focus-visible {
    color: var(--brand-yellow);
    background: #000000;
    border-color: #000000;
}

@media (max-width: 980px) {
    .nav {
        flex-wrap: wrap;
    }

    .nav-links {
        order: 4;
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 820px) {
    .nav {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .brand {
        gap: .45rem;
        font-size: .95rem;
    }

    .brand-logo {
        width: 64px;
        height: 38px;
        flex: 0 0 auto;
    }

    .brand-logo img {
        max-height: 44px;
    }

    .brand>span:last-child {
        min-width: 0;
        line-height: 1.08;
    }

    .nav-actions {
        justify-self: end;
        gap: .5rem;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .accessibility-toggle,
    .nav-toggle {
        padding-inline: .8rem;
    }

    .toggle-shortcut-key {
        display: none;
    }

    .nav-links {
        display: flex;
        position: fixed;
        left: 50%;
        right: auto;
        top: 78px;
        width: min(460px, calc(100vw - 24px));
        max-height: 0;
        padding: 0 1rem;
        background: rgba(255, 212, 0, .94);
        border: 2px solid var(--brand-black);
        border-radius: 22px;
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        overflow: hidden;
        visibility: hidden;
        opacity: 0;
        transform: translate(-50%, -.75rem);
        pointer-events: none;
        transition: max-height .22s ease, padding .22s ease, opacity .18s ease, transform .18s ease, visibility .18s ease;
        backdrop-filter: blur(12px);
    }

    .nav-links.open {
        max-height: 420px;
        padding: 1rem;
        visibility: visible;
        opacity: 1;
        transform: translate(-50%, 0);
        pointer-events: auto;
    }

    .nav-links>a,
    .nav-links>a.btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width:520px) {
    .toggle-text {
        display: none;
    }

    .brand>span:last-child {
        max-width: 13ch;
        line-height: 1.1;
    }
}

.shortcut-hint {
  display: none;
}