/* --- VARIABLEN & RESET (Globales Design) --- */
        :root {
            --bg-dark: #050505;
            --bg-gradient: linear-gradient(180deg, #050505 0%, #121212 100%);
            --accent-gradient: linear-gradient(135deg, #ffd27a 0%, #ffb86b 100%);
            --glass-bg: rgba(255, 255, 255, 0.03);
            --glass-border: rgba(255, 255, 255, 0.06);
            --glass-highlight: rgba(255, 255, 255, 0.1);
            --glass-input: rgba(0, 0, 0, 0.2);
            --text-main: #eaeaea;
            --text-muted: #a0a0a0;
            --font-main: 'Inter', sans-serif;
            --container-width: 800px; /* Etwas schmaler für besseren Fokus auf das Formular */
        }

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

        html {
            scrollbar-width: none;
            -ms-overflow-style: none;
            scroll-behavior: smooth;
        }
        
        html::-webkit-scrollbar {
            display: none;
        }

        body {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            font-family: var(--font-main);
            background: var(--bg-gradient);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* --- LAYOUT UTILITIES --- */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s ease;
        }

        /* --- HEADER --- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--glass-border);
            background: rgba(5, 5, 5, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .header-inner {
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1100px; /* Header Container Breite anpassen */
            margin: 0 auto;
            padding: 0 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }
        
        .brand .logo {
            height: 32px;
            width: auto;
        }

        .nav {
            display: flex;
            gap: 4px;
        }

        .nav a {
            position: relative;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 99px;
            transition: color 0.3s ease, background 0.3s ease;
        }

        .nav a:hover, .nav a.active {
            color: #fff;
            background: var(--glass-bg);
        }

        /* --- CONTENT PAGE STYLES --- */
        main {
            padding-top: 140px;
            padding-bottom: 80px;
            flex: 1 1 auto;
        }

        h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(to bottom right, #ffffff, #b0b0b0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-align: center;
            margin-top: 100px;
        }

        p.intro {
            color: var(--text-muted);
            margin-bottom: 48px;
            font-size: 1.1rem;
            text-align: center;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* --- FORMULAR STYLES --- */
        .form {
            background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
            border: 1px solid var(--glass-border);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
        }

        .form label {
            display: block;
            margin-bottom: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #d0d0d0;
        }

        /* Label Text optisch vom Input trennen */
        .form label span {
            display: block;
            margin-bottom: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .form input[type="text"], 
        .form input[type="number"], 
        .form select, 
        .form textarea {
            width: 100%;
            padding: 14px 16px;
            border-radius: 12px;
            border: 1px solid var(--glass-border);
            background: var(--glass-input);
            color: #fff;
            font-family: var(--font-main);
            font-size: 1rem;
            transition: all 0.2s ease;
            margin-top: 6px;
        }

        .form input:focus, 
        .form select:focus, 
        .form textarea:focus {
            outline: none;
            border-color: #ffd27a;
            background: rgba(0, 0, 0, 0.4);
            box-shadow: 0 0 0 4px rgba(255, 210, 122, 0.1);
        }

        /* Remove default number input spinners (Chrome, Edge, Firefox) */
        .form input[type="number"]::-webkit-outer-spin-button,
        .form input[type="number"]::-webkit-inner-spin-button {
            -webkit-appearance: none;
            margin: 0;
        }
        .form input[type="number"] {
            -moz-appearance: textfield; /* Firefox */
            appearance: textfield;
        }
        
        /* Select Dropdown Styling */
        .form select option {
            background: #1a1a1a;
            color: #fff;
        }

        .form-actions {
            display: flex;
            gap: 16px;
            margin-top: 32px;
            align-items: center;
        }

        /* --- BUTTONS --- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.2s ease;
            border: none;
        }

        .btn:active {
            transform: scale(0.96);
        }

        .btn.primary {
            background: var(--accent-gradient);
            color: #101010;
            box-shadow: 0 4px 12px rgba(255, 184, 107, 0.2);
        }

        .btn.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 184, 107, 0.3);
        }

        .btn.secondary {
            background: transparent;
            color: var(--text-muted);
            padding: 12px 16px;
        }

        .btn.secondary:hover {
            color: #fff;
            background: var(--glass-bg);
        }

        /* --- HIDDEN STATE --- */
        .hidden {
            display: none;
        }

        #thanks {
            text-align: center;
            padding: 60px 20px;
            background: var(--glass-bg);
            border-radius: 24px;
            border: 1px solid var(--glass-border);
        }

        #thanks h2 {
            font-size: 2rem;
            margin-bottom: 16px;
            color: #fff;
        }

        #thanks p {
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        /* --- FOOTER --- */
        .site-footer {
            margin-top: 80px;
            border-top: 1px solid var(--glass-border);
            padding: 40px 0;
            background: rgba(0,0,0,0.2);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                height: auto;
                padding: 16px 24px;
                gap: 16px;
            }
            .nav {
                flex-wrap: wrap;
                justify-content: center;
            }
            .form {
                padding: 24px;
            }
            .form-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn {
                width: 100%;
            }
            main {
                padding-top: 160px;
            }
            h1 {
                margin-top: 200px;
            }
        }