/* Aufklapp-Menü „Ratgeber“ in der Kopfzeile (ab 769 px) und Themenliste im Handy-Menü.
   Markup erzeugt scripts/ratgeber-nav.mjs (npm run nav:sync), Verhalten in js/nav-mega.js. */

/* ---------- Desktop ---------- */
.nav-links > li.nav-mega {
    gap: 0.1rem;
}

.nav-mega-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 44px;
    margin: 0 -0.5rem 0 0;
    padding: 0;
    background: none;
    border: 0;
    border-radius: var(--ww-radius-sm);
    color: var(--ww-text);
    cursor: pointer;
}

/* Trefferfläche 44 × 44 px, ohne den Abstand in der Leiste zu vergrößern */
.nav-mega-toggle::after {
    content: '';
    position: absolute;
    top: 0;
    left: -7px;
    width: 44px;
    height: 44px;
}

.nav-mega-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

.nav-mega.is-open .nav-mega-toggle svg {
    transform: rotate(180deg);
}

.nav-mega-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--ww-bg);
    border-top: 1px solid var(--ww-border);
    box-shadow: 0 24px 48px -12px rgba(26, 58, 79, 0.22);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0s linear 0.16s;
}

.nav-mega.is-open .nav-mega-panel {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0s;
}

.nav-mega-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.75rem 2rem 1rem;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem 2.5rem;
}

.nav-mega-title {
    margin: 0 0 0.25rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--ww-primary);
}

.nav-mega-title a {
    display: flex;
    align-items: center;
    min-height: 44px;
    font-family: var(--ww-font-serif);
    font-size: 1.1875rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--ww-text);
}

.nav-mega-title a:hover {
    color: var(--ww-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.nav-mega-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-mega-group li a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 44px;
    margin: 0 -0.6rem;
    padding: 0.35rem 0.6rem;
    border-radius: var(--ww-radius-md);
    font-size: var(--ww-fs-min);
    line-height: 1.3;
    color: var(--ww-text);
    transition: background-color 0.15s ease;
}

.nav-mega-group li a:hover {
    background: var(--ww-primary-light);
}

.nav-mega-group li a[aria-current="page"] {
    font-weight: 600;
    background: var(--ww-primary-light);
}

.nav-mega-tools {
    align-self: start;
    background: var(--ww-bg-warm);
    border: 1px solid #f0e3a8;
    border-radius: var(--ww-radius-lg);
    padding: 0.5rem 1.25rem 0.75rem;
}

.nav-mega-tools li a svg {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    color: var(--ww-secondary);
}

.nav-mega-tools li a:hover {
    background: #fff;
}

.nav-mega-foot {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.5rem 2rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.5rem;
}

.nav-mega-foot p {
    margin: 0;
    font-size: var(--ww-fs-min);
    color: var(--ww-text-light);
}

a.nav-mega-all {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.6rem 1.25rem;
    border-radius: var(--ww-radius-md);
    background: var(--ww-secondary);
    color: #fff;
    font-size: var(--ww-fs-min);
    font-weight: 600;
}

a.nav-mega-all:hover {
    background: var(--ww-secondary-hover);
    color: #fff;
}

a.nav-mega-all svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 1150px) {
    .nav-mega-inner {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem 2rem;
    }
}

@media (max-width: 768px) {
    .nav-mega-toggle,
    .nav-mega-panel {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-mega-panel,
    .nav-mega.is-open .nav-mega-panel,
    .nav-mega-toggle svg {
        transition: none;
        transform: none;
    }
}

/* ---------- Kleines Menü „Rechner“ ---------- */
.nav-links > li.nav-mega--klein {
    position: relative;
}

.nav-mega--klein .nav-mega-panel {
    left: -1rem;
    right: auto;
    width: 31rem;
    padding: 0.75rem;
    border: 1px solid var(--ww-border);
    border-radius: 0 0 var(--ww-radius-lg) var(--ww-radius-lg);
}

.nav-drop-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-drop-list a {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    min-height: 44px;
    padding: 0.6rem 0.75rem;
    border-radius: var(--ww-radius-md);
    color: var(--ww-text);
    transition: background-color 0.15s ease;
}

.nav-drop-list a:hover,
.nav-drop-list a[aria-current="page"] {
    background: var(--ww-primary-light);
}

.nav-drop-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--ww-secondary);
    color: #fff;
}

.nav-drop-icon svg {
    width: 22px;
    height: 22px;
}

.nav-drop-text {
    display: grid;
    gap: 0.1rem;
}

.nav-drop-text strong {
    font-size: var(--ww-fs-min);
    font-weight: 600;
    line-height: 1.35;
}

.nav-drop-text span {
    font-size: var(--ww-fs-min);
    line-height: 1.4;
    color: var(--ww-text-light);
}

.nav-drop-foot {
    padding: 0.6rem 0.75rem 0.25rem;
}

/* Mit zwei aufklappbaren Reitern wird die Leiste breiter: unter 1180 px gilt das Handy-Menü */
@media (max-width: 1180px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-header-cta,
    .nav-right > a.btn-primary {
        display: none !important;
    }
}

/* ---------- Handy-Menü ---------- */
/* Die Kopfzeile klebt oben. Wird das aufgeklappte Menü höher als der Bildschirm, scrollt es in sich,
   sonst wären die unteren Einträge nicht erreichbar. */
.mobile-menu.active {
    max-height: calc(100vh - 72px);
    max-height: calc(100dvh - 72px);
    overflow-y: auto;
    overscroll-behavior: contain;
}

@media (max-width: 768px) {
    .mobile-menu.active {
        max-height: calc(100vh - 64px);
        max-height: calc(100dvh - 64px);
    }
}

@media (max-width: 480px) {
    .mobile-menu.active {
        max-height: calc(100vh - 60px);
        max-height: calc(100dvh - 60px);
    }
}

.mobile-mega-details > summary,
.mobile-mega-group > summary {
    list-style: none;
    cursor: pointer;
}

.mobile-mega-details > summary::-webkit-details-marker,
.mobile-mega-group > summary::-webkit-details-marker {
    display: none;
}

.mobile-mega-details > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 0.75rem 0;
    font-family: var(--ww-font-sans);
    font-size: var(--ww-fs-lead);
    font-weight: 500;
    color: var(--ww-text);
}

.mobile-mega-details > summary.active {
    font-weight: 600;
}

.mobile-mega-details > summary::after,
.mobile-mega-group > summary::after {
    content: '';
    flex-shrink: 0;
    width: 9px;
    height: 9px;
    margin: 0 0.4rem 0.3rem 1rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.mobile-mega-details[open] > summary::after,
.mobile-mega-group[open] > summary::after {
    transform: rotate(-135deg);
    margin-bottom: -0.2rem;
}

.mobile-menu-links .mobile-mega-list {
    list-style: none;
    margin: 0 0 0.75rem;
    padding: 0;
}

.mobile-menu-links .mobile-mega-list li {
    border-bottom: 0;
}

.mobile-mega-list > li + li {
    border-top: 1px solid var(--ww-border-light);
}

a.mobile-mega-all {
    display: flex;
    align-items: center;
    min-height: 48px;
    font-size: var(--ww-fs-min);
    font-weight: 600;
    color: var(--ww-link);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mobile-mega-group > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding-left: 0.75rem;
    font-size: var(--ww-fs-min);
    font-weight: 600;
    color: var(--ww-text);
}

.mobile-mega-group ul {
    list-style: none;
    margin: 0 0 0.5rem;
    padding: 0 0 0 1.5rem;
    border-left: 3px solid var(--ww-primary);
    margin-left: 0.75rem;
}

.mobile-mega-group ul a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.25rem 0;
    font-size: var(--ww-fs-min);
    line-height: 1.35;
    color: var(--ww-text);
}

.mobile-mega-group ul a[aria-current="page"] {
    font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
    .mobile-mega-details > summary::after,
    .mobile-mega-group > summary::after {
        transition: none;
    }
}

.mobile-mega-list--flach a.mobile-mega-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 48px;
    padding-left: 0.75rem;
    font-size: var(--ww-fs-min);
    color: var(--ww-text);
}

.mobile-mega-list--flach a.mobile-mega-link svg {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    color: var(--ww-secondary);
}

.mobile-mega-list--flach a.mobile-mega-link[aria-current="page"] {
    font-weight: 600;
}