/**
 * Hauptstyles für Rätsel Winter 2025
 * Mobile-first, responsive Design für die Stadtrallye-Anwendung
 */

/* === Reset und Basis-Styles === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px; /* Basis für rem-Einheiten */
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* === Layout-Container === */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* === Top-Bar === */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 1rem;
    font-size: 0.875rem;
    background: rgba(10, 31, 52, 0.95);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar .skip-link {
    color: #fff;
    text-decoration: underline;
}

.music-toggle {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    color: #fff;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.music-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* === Header & Navigation === */
.header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-inverse);
    position: sticky;
    top: 40px; /* Top-Bar Höhe berücksichtigen */
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
    margin-top: 0;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.header__brand {
    flex-grow: 1;
}

.header__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-1);
    color: var(--color-text-inverse);
}

.header__subtitle {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-light);
}

/* Navigation */
.nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-toggle__line {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-text-inverse);
    margin: 4px 0;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    list-style: none;
    padding: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-menu li {
    margin-bottom: var(--space-2);
}

.nav-link {
    display: block;
    color: var(--color-text-inverse);
    text-decoration: none;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .header__nav .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: #0f2436;
        flex-direction: column;
        gap: 0;
        display: none;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .header__nav .nav-menu.nav-menu--open {
        display: flex;
    }

    .header__nav .nav-link {
        padding: 0.75rem 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 0;
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        display: flex;
        gap: var(--space-2);
        background: none;
        box-shadow: none;
        padding: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        margin-bottom: 0;
    }
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    padding: var(--space-16) 0 var(--space-20);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(26, 75, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(196, 30, 58, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero__content {
    text-align: center;
    position: relative;
    z-index: var(--z-base);
}

.hero__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-tight);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-6);
    max-width: 400px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    padding: var(--space-4);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--color-neutral-200);
}

.stat__number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
}

.stat__label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
    font-weight: var(--font-weight-medium);
}

/* === Kalender-Section === */
.calendar-section {
    padding: var(--space-20) 0;
    background-color: var(--color-bg-primary);
}

.section-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Kalender-Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--calendar-door-size), 1fr));
    gap: var(--calendar-door-gap);
    margin-bottom: var(--space-12);
    padding: var(--space-4);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

/* Türchen */
.calendar-door {
    aspect-ratio: 1;
    background-color: var(--door-locked);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
}

.calendar-door::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.calendar-door:hover::before {
    transform: translateX(100%);
}

.calendar-door__number {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    margin-bottom: var(--space-1);
}

.calendar-door__icon {
    font-size: var(--font-size-md);
    opacity: 0.8;
}

/* Door States */
.calendar-door--locked {
    background-color: var(--door-locked);
    cursor: not-allowed;
}

.calendar-door--locked .calendar-door__number {
    color: var(--color-text-muted);
}

.calendar-door--available {
    background: linear-gradient(135deg, var(--door-available), var(--color-primary-dark));
    border-color: var(--color-primary-light);
    transform: scale(1);
}

.calendar-door--available:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.calendar-door--solved {
    background: linear-gradient(135deg, var(--door-solved), var(--color-secondary-dark));
    border-color: var(--color-secondary-light);
}

.calendar-door--current {
    background: linear-gradient(135deg, var(--door-current), var(--color-accent-dark));
    border-color: var(--color-accent-light);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Stage Indikatoren */
.stage-indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.stage-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-neutral-200);
}

.stage-indicator__icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.stage-indicator__text {
    flex-grow: 1;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.stage-indicator__progress {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* === Zeit-Section === */
.time-section {
    background-color: var(--color-bg-tertiary);
    padding: var(--space-10) 0;
}

.time-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    text-align: center;
}

.current-time,
.next-puzzle {
    padding: var(--space-6);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--color-neutral-200);
}

.time-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    font-weight: var(--font-weight-medium);
}

.time-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    font-family: var(--font-family-mono);
}

/* === Regeln-Section === */
.rules-section {
    padding: var(--space-20) 0;
    background-color: var(--color-bg-primary);
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.rule-card {
    text-align: center;
    padding: var(--space-8);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-base);
    border: 1px solid var(--color-neutral-200);
    transition: transform var(--transition-base);
}

.rule-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.rule-card__icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    line-height: 1;
}

.rule-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.rule-card__text {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* === Fortschritt-Section === */
.progress-section {
    padding: var(--space-20) 0;
    background-color: var(--color-bg-tertiary);
}

.progress-display {
    max-width: 600px;
    margin: 0 auto;
}

.progress-bar {
    position: relative;
    height: 20px;
    background-color: var(--color-neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-inner);
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    width: 0%;
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
}

.progress-bar__text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.achievement-list {
    display: grid;
    gap: var(--space-4);
}

.achievement {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
}

.achievement__icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.achievement__text {
    flex-grow: 1;
    font-weight: var(--font-weight-medium);
}

/* === Footer === */
.footer {
    background-color: var(--color-neutral-800);
    color: var(--color-text-inverse);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-text-inverse);
}

.footer__text {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-relaxed);
}

.footer__text a {
    color: var(--color-accent-light);
    text-decoration: none;
}

.footer__text a:hover {
    text-decoration: underline;
}

.footer__bottom {
    border-top: 1px solid var(--color-neutral-600);
    padding-top: var(--space-6);
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* === Modals === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: none;
}

.modal.is-open {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalEnter var(--transition-base);
}

@keyframes modalEnter {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) var(--space-6) var(--space-4);
    border-bottom: 1px solid var(--color-neutral-200);
}

.modal__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.modal__close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
}

.modal__body {
    padding: var(--space-6);
}

.modal__footer {
    padding: var(--space-4) var(--space-6) var(--space-6);
    border-top: 1px solid var(--color-neutral-200);
}

.modal__actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
}

.modal--small .modal__content {
    max-width: 400px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px; /* Touch-friendly */
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border-color: var(--color-neutral-300);
}

.btn--secondary:hover {
    background-color: var(--color-neutral-200);
    border-color: var(--color-neutral-400);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
}

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* === Responsive Design === */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero {
        padding: var(--space-12) 0 var(--space-16);
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .calendar-grid {
        gap: var(--space-2);
        padding: var(--space-3);
    }
    
    .modal__content {
        margin: var(--space-2);
        border-radius: var(--radius-lg);
    }
    
    .modal__actions {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .calendar-door::before,
    .calendar-door:hover::before {
        transform: none;
    }
    
    .modal__content {
        animation: none;
    }
    
    .calendar-door--current {
        animation: none;
    }
}

/* === 🎵 Christmas Music Player === */
.music-player {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.music-player__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
    gap: var(--space-4);
}

.music-player__controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.music-player__btn {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.music-player__btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.music-player__btn:active {
    transform: scale(0.95);
}

.music-player__icon {
    font-size: 14px;
}

.music-player__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    color: white;
}

.music-player__track {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.music-player__status {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.music-player__volume {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: white;
}

.music-player__volume-icon {
    font-size: var(--font-size-sm);
}

.music-player__volume-slider {
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.music-player__volume-slider::-webkit-slider-thumb {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.music-player__volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Responsive für kleinere Bildschirme */
@media (max-width: 640px) {
    .music-player__container {
        padding: 0 var(--space-3);
        gap: var(--space-2);
    }
    
    .music-player__volume {
        /* Zeige nur Volume Icon auf mobil, verstecke Slider */
        gap: 0;
    }
    
    .music-player__volume-slider {
        display: none; /* Verstecke Slider auf mobil */
    }
    
    .music-player__volume-icon {
        font-size: var(--font-size-base);
        cursor: help;
        position: relative;
    }
    
    /* Tooltip für mobile Nutzer */
    .music-player__volume-icon::after {
        content: "Nutze Geräte-Lautstärke";
        position: absolute;
        top: -35px;
        right: 0;
        background: rgba(0, 0, 0, 0.8);
        color: white;
        padding: 4px 8px;
        border-radius: 4px;
        font-size: 10px;
        white-space: nowrap;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease;
        z-index: 1001;
    }
    
    .music-player__volume-icon:hover::after {
        opacity: 1;
    }
    
    .music-player__info {
        max-width: 150px;
        overflow: hidden;
    }
    
    .music-player__track {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* === Mobile Kalender Layout === */
@media (max-width: 768px) {
    .calendar-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.5rem;
        padding: var(--space-3);
    }
    
    .calendar-day, .calendar-tile {
        font-size: 0.8rem;
        padding: 0.5rem;
    }
    
    .calendar-day .calendar-icon, .calendar-tile .calendar-icon {
        font-size: 0.9rem;
        margin-bottom: 0.15rem;
    }

    /* Fallback: Icons ganz verstecken falls sie trotzdem zu groß sind */
    .calendar-day .calendar-icon {
        display: none;
    }
}

/* === Print Styles === */
@media print {
    .header,
    .footer,
    .modal,
    .nav-toggle,
    .btn {
        display: none !important;
    }
    
    .hero,
    .calendar-section,
    .rules-section {
        padding: var(--space-4) 0 !important;
        page-break-inside: avoid;
    }
    
    .calendar-grid {
        display: block !important;
    }
    
    .calendar-door {
        display: inline-block !important;
        width: 60px !important;
        height: 60px !important;
        margin: var(--space-2) !important;
    }
}
/* ============================================================================
   BURGER MENÜ - Mobile Navigation
   ============================================================================ */

/* Menü standardmäßig verstecken auf mobil */
.nav-links,
#mobileNav {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

/* Wenn offen */
.nav-links.is-open,
#mobileNav.is-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* Burger Button States */
.burger.is-active {
  /* Optional: Burger-Icon Animation zu X */
}

/* Body Lock beim geöffneten Menü (verhindert Scrollen) */
body.nav-open {
  overflow: hidden;
}

/* Optional: Overlay/Backdrop */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-in-out;
  z-index: 999;
}

.nav-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Desktop: Menü immer sichtbar */
@media (min-width: 1024px) {
  .nav-links,
  #mobileNav {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-overlay {
    display: none;
  }
}