* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* Header Navigation */
        .header {
            background: linear-gradient(135deg, rgba(237, 240, 243, 0.8) 0%, rgb(110, 172, 230) 50%, rgba(4, 12, 239, 0.8) 100%);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            max-width: 2560px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 90px;
            position: relative;
        }

        /* Logo Bereich */
        .logo {
            height: 120px;
            width: auto;
            cursor: pointer;
            transition: all 0.3s ease;
            object-fit: contain;
            -webkit-font-smoothing: antialiased;
            image-rendering: -webkit-optimize-contrast;
            image-rendering: crisp-edges;
            margin-top: 40px;
        }

        .logo:hover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }

        .nvarbar a{
            text-decoration: none;
        }

        /* Desktop Navigation */
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 0;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            color: rgb(255, 255, 255);
            text-decoration: none;
            padding: 1rem 1.5rem;
            display: block;
            font-weight: 530;
            font-size: 1.25rem;
            transition: all 0.3s ease;
            position: relative;
            border-radius: 5px;
            margin: 0 0.25rem;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        .nav-link.active {
            background: rgba(255, 255, 255, 0.15);
        }

        /* Hover Unterline Effekt */
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 8px;
            left: 50%;
            background: rgb(24, 30, 211);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 60%;
        }

        /* Mobile Menu Button */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 5px;
            background: none;
            border: none;
            gap: 4px;
            position: relative;
        }

        .hamburger-line {
            width: 25px;
            height: 3px;
            background: white;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        /* Mobile Menu Button Animation */
        .mobile-menu-btn.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Mobile Navigation */
        .mobile-menu {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: linear-gradient(135deg, rgba(237, 240, 243, 0.8) 0%, rgb(110, 172, 230) 50%, rgb(87, 164, 236) 100%);
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .mobile-menu.active {
            max-height: 300px;
        }

        .mobile-nav-menu {
            list-style: none;
            padding: 1rem 0;
            margin: 0;
        }

        .mobile-nav-link {
            color: white;
            text-decoration: none;
            display: block;
            padding: 1rem 2rem;
            font-weight: 500;
            transition: all 0.3s ease;
            border-left: 4px solid transparent;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: rgba(255, 255, 255, 0.1);
            border-left-color: #170dcb;
            padding-left: 2.5rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

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

            .nav-container {
                height: 90px;
                padding: 0 1rem;
            }

            .logo {
                height: 75px;
                margin-top: 0px;
            }
        }

        @media (max-width: 480px) {
            .nav-container {
                padding: 0 0.5rem;
            }

            .logo {
                height: 75px;
                margin-top: 0px;
            }

            .mobile-nav-link {
                padding: 0.8rem 1.5rem;
                font-size: 0.95rem;
            }
        }

        /* Tablet specific */
        @media (min-width: 769px) and (max-width: 1024px) {
            .nav-container {
                padding: 0 1.5rem;
            }

            .nav-link {
                padding: 1rem 1.2rem;
                font-size: 0.95rem;
            }
        }