/* =====================================================
   CONWELL AG - MASTER STYLES
   ===================================================== */

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    }

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -moz-osx-font-smoothing: grayscale;
}

/* Verhindert Scrollen wenn Mobile-Menu offen */
body.no-scroll {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ACCESSIBILITY - Focus States */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--ikb-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--ikb-accent);
    outline-offset: 2px;
}

/* MAIN CONTENT */
main {
    flex: 1;
    padding: calc(var(--header-height) + 2rem) var(--spacing-lg) var(--spacing-xxl);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    /* ReSharper disable once Html.AttributeNotResolved */
}

/* =====================================================
   SKIP LINK - ACCESSIBILITY
   ===================================================== */

.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-skip-link);
    background: var(--ikb-primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-xl);
    transition: top var(--transition-normal);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

    .skip-link:focus,
    .skip-link:focus-visible {
        top: 0;
        outline: 3px solid var(--ikb-accent);
        outline-offset: 2px;
    }

/* =====================================================
   HEADER
   ===================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: var(--z-header);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* =====================================================
   LOGO
   ===================================================== */

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--logo-gap);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

   /* .header-logo:hover {
        opacity: 0.8;
    }
*/

.header-logo:hover .logo-mark {
    transform: scale(1.08);
}

.logo-mark {
    transition: transform var(--transition-normal);
}




.logo-mark {
    width: var(--logo-mark-size);
    height: auto;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    align-items: center;
}

.logo-wordmark {
    width: var(--logo-text-width);
    height: auto;
}

/* Responsive Logo */
@media (max-width: 768px) {
    :root {
        --logo-mark-size: 32px;
        --logo-text-width: 120px;
        --logo-gap: 8px;
    }
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    background: var(--carbon);
    color: var(--ash);
    padding: var(--spacing-xxl) 0 0;
    margin-top: auto;
}

.footer-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-xxl);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xxl);
}



.footer-column {
    display: flex;
    flex-direction: column;
}



/* Footer Brand Column */
.footer-brand {
    padding-right: var(--spacing-xl);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 1rem;
    color: var(--crimson);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--ash);
    margin-bottom: var(--spacing-lg);
}

.footer-seit {
    font-size: 0.8125rem;
    color: var(--dim-gray);
    font-style: italic;
}

/* Footer Columns */
.footer-column-title {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--ash);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-normal), padding-left var(--transition-normal);
    display: inline-block;
    position: relative;
}

    .footer-link:hover {
        color: var(--crimson);
        padding-left: 0.5rem;
    }

    .footer-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 1px;
        background: var(--crimson);
        transition: width var(--transition-normal);
    }

    .footer-link:hover::before {
        width: 0.25rem;
    }

/* Footer Contact */
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact-item {
    font-size: 0.9375rem;
    color: var(--ash);
    line-height: 1.6;
}

    .footer-contact-item strong {
        color: var(--white);
        font-weight: var(--font-weight-medium);
    }

.footer-contact-link {
    color: var(--ash);
    text-decoration: none;
    transition: color var(--transition-normal);
}

    .footer-contact-link:hover {
        color: var(--crimson);
    }

/* Footer Bottom */
.footer-bottom {
    background: var(--charcoal);
    border-top: 1px solid rgba(180, 180, 180, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--ash);
}

.footer-copyright {
    margin: 0;
}

.footer-legal-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer-legal-link {
    color: var(--ash);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-normal);
}

    .footer-legal-link:hover {
        color: var(--crimson);
    }

/* Footer Responsive */
@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
        padding-right: 0;
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--charcoal);
    }
}

@media (max-width: 640px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .footer-brand {
        padding-bottom: var(--spacing-lg);
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-legal-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
}



/* =====================================================
   UTILITY CLASSES - RESPONSIVE
   ===================================================== */

.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}


@media (max-width: 1024px) {

    /*@media (max-width: 1200px) {*/
        .mobile-only {
            display: block !important;
        }

        .desktop-only {
            display: none !important;
        }

        .nav-desktop {
            display: none !important;
        }

        .burger-button {
            display: flex !important;
        }
    }


    /* =====================================================
   DESKTOP NAVIGATION
   ===================================================== */

    .nav-desktop {
        display: flex;
        align-items: center;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        list-style: none;
    }

    .nav-item {
        position: relative;
    }

    .nav-link {
        display: flex;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
        color: var(--gray-700);
        text-decoration: none;
        font-weight: var(--font-weight-medium);
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

        .nav-link:hover {
            color: var(--ikb-primary);
            background: rgba(0, 47, 167, 0.05);
        }

    .nav-item.has-dropdown .nav-link::after {
        content: '▾';
        margin-left: 0.35rem;
        font-size: 0.75rem;
        transition: transform var(--transition-fast);
    }

    .nav-item.has-dropdown:hover .nav-link::after {
        transform: rotate(180deg);
    }

    /* Active Navigation Link */
    .nav-link[aria-current="page"] {
        color: var(--ikb-primary);
        background: rgba(0, 47, 167, 0.1);
        font-weight: var(--font-weight-semibold);
    }

    /* =====================================================
   MEGA DROPDOWN
   ===================================================== */

    .mega-dropdown {
        position: absolute;
        top: calc(100% + 8px);
        left: 50%;
        background: var(--white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-lg);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
        transition-delay: 0.15s;
        transform: translateX(-50%) translateY(-10px);
        z-index: var(--z-dropdown);
        will-change: opacity, transform;
    }

    /*.nav-item.has-dropdown:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transition-delay: 0;
    transform: translateX(-50%) translateY(0) translateZ(0);
}*/



    .nav-item.has-dropdown:hover .mega-dropdown,
    .nav-item.has-dropdown.hover-intent .mega-dropdown {
        opacity: 1;
        visibility: visible;
        transition-delay: 0;
        transform: translateX(-50%) translateY(0) translateZ(0);
    }










    /* Multi-Column Dropdown (Leistungen) */
    .multi-column {
        display: flex;
        gap: var(--spacing-xl);
        min-width: 600px;
    }

    .mega-column {
        flex: 1;
    }

    .mega-column-title {
        font-size: 0.85rem;
        font-weight: var(--font-weight-semibold);
        color: var(--ikb-primary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: var(--spacing-sm);
    }

    /* Simple Dropdown (Über Conwell, Kontakt, Ressourcen) */
    .simple-dropdown {
        min-width: 320px;
    }

    .submenu-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .submenu-item {
        display: block;
    }

    .submenu-link {
        display: block;
        padding: 0.75rem 1rem;
        min-height: 44px;
        color: var(--gray-700);
        text-decoration: none;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        font-size: 0.95rem;
    }

        .submenu-link:hover {
            color: var(--ikb-primary);
            background: rgba(0, 47, 167, 0.05);
            transform: translateX(4px);
        }

        /* Active Submenu Link */
        .submenu-link[aria-current='page'] {
            color: var(--ikb-primary);
            background: rgba(0, 47, 167, 0.1);
            font-weight: var(--font-weight-semibold);
        }

        .submenu-link:focus-visible {
            outline: 2px solid var(--ikb-primary);
            outline-offset: 2px;
        }


    /* Touch Device Support */
    .nav-item.has-dropdown.touch-active .mega-dropdown {
        opacity: 1;
        visibility: visible;
        transition-delay: 0;
        transform: translateX(-50%) translateY(0) translateZ(0);
    }







    /* =====================================================
   MOBILE NAVIGATION
   ===================================================== */

    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.4);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-slow), visibility var(--transition-slow);
        z-index: calc(var(--z-mobile-nav) - 1);
        -webkit-backdrop-filter: blur(4px);
        backdrop-filter: blur(4px);
    }

        .nav-overlay.active {
            opacity: 1;
            visibility: visible;
        }

    .burger-button {
        display: none;
        flex-direction: column;
        justify-content: space-around;
        width: 48px;
        height: 48px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 6px;
        z-index: calc(var(--z-mobile-nav) + 1);
        transition: transform var(--transition-fast);
    }

        .burger-button:hover {
            transform: scale(1.1);
        }

    .burger-line {
        width: 100%;
        height: 3px;
        background: var(--ikb-primary);
        border-radius: 2px;
        transition: all var(--transition-normal);
    }

    .burger-button.active .burger-line:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }

    .burger-button.active .burger-line:nth-child(2) {
        opacity: 0;
    }

    .burger-button.active .burger-line:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    .nav-mobile {
        position: fixed;
        top: 0;
        right: -100%;
        /*right: 0;*/
        width: 85%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-lg);
        overflow-y: auto;
        transition: right var(--transition-slow);
        z-index: var(--z-mobile-nav);
    }

        .nav-mobile.active {
            right: 0;
        }

    .mobile-menu-header {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding-bottom: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        border-bottom: 1px solid var(--gray-100);
    }

    .mobile-close-button {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        color: var(--ikb-primary);
        cursor: pointer;
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }

        .mobile-close-button:hover {
            background: rgba(0, 47, 167, 0.05);
            transform: scale(1.05);
        }

        .mobile-close-button:active {
            transform: scale(0.95);
        }

        .mobile-close-button svg {
            width: 24px;
            height: 24px;
        }

    .mobile-menu {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .mobile-item {
        border-bottom: 1px solid var(--gray-100);
        padding-bottom: var(--spacing-xs);
    }

    .mobile-item-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-link {
        display: flex;
        align-items: center;
        min-height: 48px;
        padding: var(--spacing-md);
        color: var(--gray-700);
        text-decoration: none;
        font-weight: var(--font-weight-medium);
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
    }

        .mobile-link:hover {
            color: var(--ikb-primary);
            background: rgba(0, 47, 167, 0.05);
        }

    .accordion-toggle {
        background: transparent;
        border: none;
        color: var(--ikb-primary);
        font-size: 1.2rem;
        cursor: pointer;
        padding: var(--spacing-sm);
        transition: transform var(--transition-normal);
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
    }

        .accordion-toggle:hover {
            background: rgba(0, 47, 167, 0.05);
        }

        .accordion-toggle.active {
            transform: rotate(180deg);
        }

    .mobile-submenu {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }

        .mobile-submenu.active {
            max-height: 1000px;
        }

    .mobile-submenu-content {
        padding: var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);
    }

    .mobile-submenu-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .mobile-submenu-item {
        display: block;
    }

    .mobile-submenu-link {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        color: var(--gray-600);
        text-decoration: none;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        font-size: 0.9rem;
    }

        .mobile-submenu-link:hover {
            color: var(--ikb-primary);
            background: rgba(0, 47, 167, 0.05);
        }

    .submenu-section-mobile {
        margin-top: var(--spacing-md);
    }

    .submenu-section-title-mobile {
        font-size: 0.8rem;
        font-weight: var(--font-weight-semibold);
        color: var(--ikb-primary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: var(--spacing-sm);
        padding: 0 var(--spacing-md);
    }

    /* Mobile Menu Breakpoint */
    @media (max-width: 1024px) {
        /*@media (max-width: 1200px) {*/

            .burger-button {
                display: flex;
            }
        }



    /* =====================================================
   ACCESSIBILITY - REDUCED MOTION
   ===================================================== */

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

    /* =====================================================
   ACCESSIBILITY - HIGH CONTRAST MODE
   ===================================================== */

    @media (prefers-contrast: high) {
        .nav-link,
        .mobile-link,
        .submenu-link {
            border: 1px solid currentColor;
        }

        .mega-dropdown,
        .nav-mobile {
            border: 2px solid currentColor;
        }
    }




    /* =====================================================
   PRINT STYLES
   ===================================================== */

    @media print {
        /* Header vereinfachen */
        .header {
            position: static;
            box-shadow: none;
            border-bottom: 2px solid var(--gray-900);
        }

        /* Navigation verstecken */
        .nav-desktop,
        .burger-button,
        .nav-mobile,
        .nav-overlay,
        .skip-link {
            display: none !important;
        }

        /* Main Content optimieren */
        main {
            padding: 1rem 0;
            max-width: 100%;
        }

        /* Footer optimieren */
        .footer {
            background: var(--white);
            color: var(--gray-900);
            border-top: 2px solid var(--gray-900);
            page-break-before: always;
        }

        .footer-logo,
        .footer-column-title {
            color: var(--gray-900);
        }

        .footer-description,
        .footer-contact-item,
        .footer-link,
        .footer-contact-link {
            color: var(--gray-700);
        }

        .footer-bottom {
            border-top: 1px solid var(--gray-300);
            background: transparent;
        }

        .footer-link::before {
            display: none;
        }

        /* Links sichtbar machen */
        a[href]:after {
            content: " (" attr(href) ")";
            font-size: 0.8em;
            color: var(--gray-600);
        }

        .header-logo[href]:after,
        .nav-link[href]:after,
        .footer-link[href]:after {
            content: "";
        }

        /* Seitenumbrüche optimieren */
        h1, h2, h3 {
            page-break-after: avoid;
        }

        img {
            max-width: 100% !important;
            page-break-inside: avoid;
        }
    }


    /* =====================================================
   DARK MODE SUPPORT
   ===================================================== */
    @media (prefers-color-scheme: dark) {
        :root {
            /* Dark Mode Farben */
            --dm-background: #0A0A0A;
            --dm-surface: #1A1A1A;
            --dm-surface-elevated: #2D2D2D;
            --dm-text-primary: #E8E8E8;
            --dm-text-secondary: #B4B4B4;
            --dm-border: #2D2D2D;
        }

        /* Body & Background */
        body {
            background-color: var(--dm-background);
            color: var(--dm-text-primary);
        }

        /* Header */
        .header {
            background: var(--dm-surface);
            border-bottom: 1px solid var(--dm-border);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        /* Navigation bleibt IKB-fokussiert */
        .nav-link {
            color: var(--dm-text-primary);
        }

            .nav-link:hover {
                color: var(--ikb-primary);
                background: rgba(0, 47, 167, 0.15);
            }

        /* Mega Dropdown */
        .mega-dropdown {
            background: var(--dm-surface-elevated);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--dm-border);
        }

        .mega-column-title {
            color: var(--ikb-primary);
        }

        .submenu-link {
            color: var(--dm-text-secondary);
        }

            .submenu-link:hover {
                color: var(--ikb-primary);
                background: rgba(0, 47, 167, 0.15);
            }

        /* Mobile Navigation */
        .nav-mobile {
            background: var(--dm-surface);
            border-left: 1px solid var(--dm-border);
        }

        .mobile-menu-header {
            border-bottom: 1px solid var(--dm-border);
        }

        .mobile-item {
            border-bottom: 1px solid var(--dm-border);
        }

        .mobile-link {
            color: var(--dm-text-primary);
        }

            .mobile-link:hover {
                color: var(--ikb-primary);
                background: rgba(0, 47, 167, 0.15);
            }

        .mobile-submenu-link {
            color: var(--dm-text-secondary);
        }

            .mobile-submenu-link:hover {
                color: var(--ikb-primary);
                background: rgba(0, 47, 167, 0.15);
            }

        /* Main Content */
        main {
            background-color: var(--dm-background);
        }

        /* Footer bleibt dunkel wie gehabt - passt perfekt */
        /* Keine Änderungen nötig */
    }