/**
 * landing.css – Seitenspezifische Styles für die Landingpage
 */

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

        :root {
            --bg: #0a0a0a;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --text: #ffffff;
            --text-muted: #94a3b8;
            --accent: #6366f1;
            --accent-light: #818cf8;
            --accent-glow: rgba(99, 102, 241, 0.15);
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.15);
            --radius: 12px;
            --radius-lg: 20px;
            --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
            --container: 1140px;
            --header-h: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover, a:focus-visible {
            color: var(--text);
        }

        /* ── Header ── */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            padding: 0 env(safe-area-inset-right) 0 env(safe-area-inset-left);
        }

        .header.scrolled {
            background: rgba(10, 10, 10, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 1px 0 var(--border);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text);
            text-decoration: none;
        }

        .logo span {
            color: var(--accent);
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            gap: 6px;
            z-index: 1001;
        }

        .hamburger b {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
            font-size: 0;
        }

        .hamburger.active b:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .hamburger.active b:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active b:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* ── Mobile Menu Overlay ── */
        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(10, 10, 10, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu a {
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 0.875rem 2rem;
            border-radius: var(--radius);
            transition: color 0.2s ease, background 0.2s ease;
            text-align: center;
        }

        .mobile-menu a:hover,
        .mobile-menu a:focus-visible {
            color: var(--text);
            background: var(--bg-card);
        }

        .mobile-menu a.active {
            color: var(--accent-light);
        }

        /* ── Hero ── */
        .hero {
            position: relative;
            min-height: 100vh;
            min-height: 100dvh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: calc(var(--header-h) + 2rem) 1.25rem 4rem;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            width: 6px;
            height: 6px;
            background: #22c55e;
            border-radius: 50%;
            display: inline-block;
            font-style: normal;
        }

        .hero h1 {
            font-size: clamp(2.25rem, 6vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
        }

        .hero h1 em {
            font-style: normal;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            background: var(--accent);
            color: var(--text);
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            text-decoration: none;
            min-height: 44px;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--accent-light);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: 0 8px 32px var(--accent-glow);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary svg {
            width: 18px;
            height: 18px;
            transition: transform 0.2s ease;
        }

        .btn-primary:hover svg {
            transform: translateX(3px);
        }

        /* ── Section Base ── */
        .section {
            padding: clamp(4rem, 8vw, 7rem) 0;
        }

        .section-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 3.5rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        .section-header h2 {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .section-header p {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ── Features ── */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .feature-card {
            padding: 2rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-glow);
            border-radius: 12px;
            margin-bottom: 1.25rem;
            color: var(--accent-light);
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .feature-card p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ── How It Works ── */
        .steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            position: relative;
        }

        .step {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
        }

        .step-number {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 2px solid var(--accent);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-light);
            background: var(--bg);
            position: relative;
        }

        .step-content h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.375rem;
            letter-spacing: -0.01em;
        }

        .step-content p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .step-connector {
            display: none;
        }

        /* ── CTA Bottom ── */
        .cta-bottom {
            text-align: center;
            padding: clamp(4rem, 8vw, 6rem) 0;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: clamp(2.5rem, 5vw, 4rem);
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            position: relative;
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            position: relative;
            color: var(--text-muted);
            margin-bottom: 2rem;
            font-size: 1.0625rem;
            line-height: 1.6;
        }

        .cta-box .btn-primary {
            position: relative;
        }

        /* ── Footer ── */
        .footer {
            border-top: 1px solid var(--border);
            padding: 2.5rem 0;
            padding-bottom: calc(2.5rem + env(safe-area-inset-bottom));
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.5rem 1.5rem;
            list-style: none;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 0.25rem 0;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
        }

        .footer-links a:hover,
        .footer-links a:focus-visible {
            color: var(--text);
        }

        .footer-copy {
            font-size: 0.8125rem;
            color: var(--text-muted);
            opacity: 0.6;
        }

        /* ── Animations ── */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-content {
            animation: fadeUp 0.8s ease-out;
        }

        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        /* ── Responsive ── */
        @media (min-width: 480px) {
            .container { padding: 0 1.5rem; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (min-width: 768px) {
            :root { --header-h: 80px; }
            .container { padding: 0 2rem; }

            .steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
                text-align: center;
            }

            .step {
                flex-direction: column;
                align-items: center;
            }

            .step-connector {
                display: block;
                position: absolute;
                top: 26px;
                height: 2px;
                background: var(--border);
            }

            .step-connector-1 {
                left: calc(33.33% / 2 + 26px + 0.75rem);
                right: calc(66.66% - 33.33% / 2 + 26px + 0.75rem);
            }

            .step-connector-2 {
                left: calc(33.33% + 33.33% / 2 + 26px + 0.75rem);
                right: calc(33.33% / 2 - 26px - 0.75rem + 33.33%);
                right: calc(100% - 66.66% - 33.33% / 2 + 26px + 0.75rem);
            }
        }

        @media (min-width: 960px) {
            .features-grid { grid-template-columns: repeat(4, 1fr); }
        }

        @media (min-width: 1280px) {
            .container { padding: 0 2.5rem; }
        }

        @media (min-width: 1920px) {
            :root { --container: 1320px; }
            body { font-size: 17px; }
        }

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

        /* ── Focus Visible ── */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ── Selection ── */
        ::selection {
            background: var(--accent);
            color: var(--text);
        }
        /* ── Video Section ── */
        .video-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: #000;
        }

        .video-wrap video {
            display: block;
            width: 100%;
            height: auto;
            object-fit: contain;
            background: #000;
        }

        @media (max-width: 479px) {
            .video-wrap {
                border-radius: var(--radius);
            }
        }

        @media (min-width: 768px) {
            .video-wrap {
                max-width: 800px;
            }
        }

        @media (min-width: 1280px) {
            .video-wrap {
                max-width: 900px;
            }
        }