:root {
            --ts-blue: #0066ff;
            --ts-blue-hover: #3385ff;
            --bg-dark: #07090c;
            --card-bg: rgba(15, 18, 22, 0.75);
            --nav-bg: rgba(10, 12, 16, 0.9);
            --text-main: #f5f5f7;
            --text-dim: #a0a0a5;
            --border: rgba(255, 255, 255, 0.08);
            --accent-green: #00ff64;
        }

        /* --- BASIS FIX FÜR ÜBERBREITE --- */
        * { box-sizing: border-box; scroll-behavior: smooth; }
        html, body { 
            width: 100%; 
            max-width: 100%; 
            overflow-x: hidden; 
            margin: 0; 
            background-color: var(--bg-dark); 
            color: var(--text-main); 
            font-family: 'Inter', sans-serif;
        }

        /* Hintergrund-Animation bleibt wie gewünscht */
        body {
            background-color: var(--bg-dark);
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 40%);
            color: var(--text-main);
            font-family: 'Inter', sans-serif;
            margin: 0;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* --- NAVIGATION --- */
        nav {
            background: var(--nav-bg); height: 70px; position: sticky; top: 0; z-index: 2000;
            display: flex; justify-content: space-between; align-items: center; padding: 0 5%;
            border-bottom: 1px solid var(--border); backdrop-filter: blur(20px);
        }

        .nav-logo { font-weight: 800; font-size: 1.3rem; display: flex; align-items: center; gap: 10px; color: white; text-decoration: none; }
        .nav-logo span { color: var(--ts-blue); }

        /* Desktop Menü - Deine ursprüngliche Optik */
        .nav-menu { display: flex; list-style: none; gap: 5px; margin: 0; padding: 0; }
        .nav-item { position: relative; }
        .nav-link {
            color: var(--text-dim); text-decoration: none; padding: 25px 12px;
            font-size: 0.75rem; font-weight: 700; text-transform: uppercase; transition: 0.3s;
            cursor: pointer; display: block;
        }
        .nav-link:hover { color: var(--ts-blue); }

        .dropdown {
            position: absolute; top: 70px; left: 0; background: #0f1216;
            min-width: 240px; border-radius: 0 0 10px 10px; border: 1px solid var(--border);
            opacity: 0; visibility: hidden; transform: translateY(10px); transition: 0.3s;
            list-style: none; padding: 10px 0; box-shadow: 0 15px 40px rgba(0,0,0,0.8);
        }
        .nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
        .dropdown-item a { padding: 12px 20px; display: block; color: var(--text-dim); text-decoration: none; font-size: 0.85rem; }
        .dropdown-item a:hover { background: rgba(0, 102, 255, 0.1); color: #fff; padding-left: 25px; }

        .mobile-toggle { display: none; font-size: 1.5rem; color: white; cursor: pointer; }

        /* --- GRID & INHALTE --- */
        .hero { padding: 80px 5% 40px; max-width: 1400px; margin: 0 auto; }
        .portal-grid {
            max-width: 1400px; margin: 0 auto 100px; padding: 0 5%;
            display: grid; grid-template-columns: 2.2fr 1fr; gap: 30px;
        }

        .section-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--ts-blue); margin-bottom: 25px; display: flex; align-items: center; gap: 15px; font-weight: 800; }
        .section-title::after { content: ""; height: 1px; flex-grow: 1; background: var(--border); }

        .card { 
            background: var(--card-bg); border-radius: 20px; border: 1px solid var(--border); 
            padding: 30px; margin-bottom: 30px; backdrop-filter: blur(10px); width: 100%;
        }

        .video-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 12px; margin: 20px 0; }
        .video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
        .dict-frame { width: 100%; height: 600px; border: none; border-radius: 12px; background: #fff; }

        .status-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
        .dot { height: 8px; width: 8px; background: var(--accent-green); border-radius: 50%; display: inline-block; margin-right: 8px; box-shadow: 0 0 10px var(--accent-green); }

        .btn { 
            background: var(--ts-blue); color: #fff; padding: 14px 24px; border-radius: 10px; 
            text-decoration: none; font-weight: 700; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 10px;
        }

        /* --- ORIGINAL BACK TO TOP --- */
        #backToTop { 
            position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; 
            background: var(--ts-blue); color: #fff; border: none; border-radius: 12px; 
            cursor: pointer; display: flex; justify-content: center; align-items: center; 
            opacity: 0; visibility: hidden; transition: 0.3s; z-index: 2000; 
        }
        #backToTop.show { opacity: 1; visibility: visible; }

        /* --- MOBILE MEDIA QUERIES --- */
        @media (max-width: 1050px) {
            .portal-grid { grid-template-columns: 1fr; }
            .mobile-toggle { display: block; }

            .nav-menu {
                position: fixed; top: 70px; right: -100%; width: 100%; height: calc(100vh - 70px);
                background: #0a0c10; flex-direction: column; padding: 20px 0; transition: 0.4s; overflow-y: auto;
            }
            .nav-menu.active { right: 0; }
            .nav-item { width: 100%; border-bottom: 1px solid var(--border); }
            .nav-link { padding: 20px 5%; font-size: 1rem; display: flex; justify-content: space-between; }
            
            .dropdown { 
                position: static; opacity: 1; visibility: visible; transform: none; display: none;
                background: rgba(0,0,0,0.3); box-shadow: none; border: none; padding-left: 20px;
            }
            .nav-item.open .dropdown { display: block; }
            
            .card { padding: 20px; }
            h1 { font-size: 2.2rem !important; }
        }