:root {
            --primary: #5db9ff;
            --primary-dark: #3a9fe6;
            --primary-glow: rgba(93, 185, 255, 0.4);
            --accent: #a855f7;
            --accent-glow: rgba(168, 85, 247, 0.4);
            --success: #10b981;
            --bg-dark: #000;
            --bg-card: rgba(15, 23, 42, 0.6);
            --bg-card-hover: rgba(30, 41, 59, 0.8);
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(93, 185, 255, 0.3);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* Animated Background */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .bg-animation::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                radial-gradient(circle at 20% 80%, rgba(93, 185, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.05) 0%, transparent 40%);
            animation: bgFloat 20s ease-in-out infinite;
        }

        @keyframes bgFloat {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            33% { transform: translate(2%, 2%) rotate(1deg); }
            66% { transform: translate(-1%, 1%) rotate(-1deg); }
        }

        .grid-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(93, 185, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(93, 185, 255, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
        }

        /* Particles */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.3;
            animation: float 15s infinite ease-in-out;
        }

        .particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
        .particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 2s; }
        .particle:nth-child(3) { left: 60%; top: 30%; animation-delay: 4s; }
        .particle:nth-child(4) { left: 80%; top: 70%; animation-delay: 6s; }
        .particle:nth-child(5) { left: 40%; top: 50%; animation-delay: 8s; }
        .particle:nth-child(6) { left: 90%; top: 10%; animation-delay: 10s; background: var(--accent); }
        .particle:nth-child(7) { left: 5%; top: 60%; animation-delay: 12s; background: var(--accent); }
        .particle:nth-child(8) { left: 70%; top: 90%; animation-delay: 14s; }

        @keyframes float {
            0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
            50% { transform: translateY(-100px) scale(1.5); opacity: 0.6; }
        }

        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            position: relative;
        }

        .hero-content { max-width: 900px; position: relative; z-index: 1; }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(93, 185, 255, 0.1);
            border: 1px solid rgba(93, 185, 255, 0.2);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 32px;
            animation: fadeInUp 0.8s ease;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.2); }
        }

        .hero h1 {
            font-size: clamp(40px, 8vw, 80px);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            animation: fadeInUp 0.8s ease 0.1s both;
        }

        .hero h1 .gradient-text {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--primary) 100%);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: gradientShift 5s ease infinite;
        }

        @keyframes gradientShift {
            0%, 100% { background-position: 0% center; }
            50% { background-position: 200% center; }
        }

        .hero p {
            font-size: clamp(18px, 2.5vw, 22px);
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 48px;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.3s both;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #000;
            box-shadow: 0 4px 24px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px var(--primary-glow);
        }

        .btn-secondary {
            background: var(--bg-card);
            color: var(--text-primary);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        /* Stats */
        .stats { padding: 80px 0; position: relative; }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 40px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .stat-item:hover {
            transform: translateY(-8px);
            border-color: var(--border-hover);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .stat-item:hover::before { opacity: 1; }

        .stat-item h3 {
            font-size: 48px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .stat-item p { color: var(--text-secondary); font-size: 15px; font-weight: 500; }

        /* Sections */
        section { padding: 120px 0; position: relative; }

        .section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }

        .section-header h2 { font-size: clamp(32px, 5vw, 48px); font-weight: 700; margin-bottom: 20px; }

        .section-header p { font-size: 18px; color: var(--text-secondary); }

        /* Features */
        .features { background: linear-gradient(180deg, transparent 0%, rgba(93, 185, 255, 0.02) 50%, transparent 100%); }

        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

        .feature-card {
            padding: 40px 32px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 24px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at top right, rgba(93, 185, 255, 0.1), transparent 60%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            border-color: var(--border-hover);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .feature-card:hover::before { opacity: 1; }

        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(93, 185, 255, 0.2), rgba(168, 85, 247, 0.2));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .feature-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 12px; position: relative; z-index: 1; }

        .feature-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; position: relative; z-index: 1; }

        /* Products */
        .products { background: linear-gradient(180deg, transparent 0%, rgba(168, 85, 247, 0.02) 50%, transparent 100%); }

        .products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

        .product-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 24px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-12px);
            border-color: var(--border-hover);
            box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
        }

        .product-image {
            height: 200px;
            background: linear-gradient(135deg, rgba(93, 185, 255, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .product-image span { font-size: 72px; position: relative; z-index: 1; }

        .product-content { padding: 32px; flex: 1; display: flex; flex-direction: column; }

        .product-content h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }

        .product-content > p { color: var(--text-secondary); font-size: 15px; margin-bottom: 24px; flex: 1; }

        .product-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .product-price .price { font-size: 28px; font-weight: 700; color: var(--primary); }

        .product-price .price-period { font-size: 14px; color: var(--text-muted); }

        .product-btn {
            padding: 12px 24px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 10px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .product-btn:hover { background: var(--primary); color: #000; }

        /* Benefits */
        .benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

        .benefit-card {
            padding: 36px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            transition: all 0.4s ease;
            text-align: center;
        }

        .benefit-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-hover);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .benefit-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }

        .benefit-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

        /* Support Banner */
        .support-banner {
            background: linear-gradient(135deg, rgba(93, 185, 255, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 60px;
            text-align: center;
            margin: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .support-banner::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
            opacity: 0.5;
        }

        .support-banner h3 { font-size: 32px; font-weight: 700; margin-bottom: 16px; position: relative; z-index: 1; }

        .support-banner p { color: var(--text-secondary); font-size: 18px; max-width: 600px; margin: 0 auto 32px; position: relative; z-index: 1; }

        .support-features { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; position: relative; z-index: 1; }

        .support-feature { display: flex; align-items: center; gap: 12px; color: var(--text-secondary); }

        .support-feature svg { width: 24px; height: 24px; color: var(--success); }

        /* CTA */
        .cta-section { text-align: center; padding: 120px 24px; position: relative; }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
            opacity: 0.3;
        }

        .cta-section h2 { font-size: clamp(36px, 5vw, 52px); font-weight: 700; margin-bottom: 20px; position: relative; z-index: 1; }

        .cta-section p { font-size: 20px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 40px; position: relative; z-index: 1; }

        .cta-section .btn { position: relative; z-index: 1; }

        /* Footer */
        footer {
            background: rgba(15, 23, 42, 0.8);
            border-top: 1px solid var(--border);
            padding: 80px 0 40px;
        }

        .footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }

        .footer-section h3 { font-size: 18px; font-weight: 600; margin-bottom: 24px; color: var(--text-primary); }

        .footer-section p { color: var(--text-secondary); font-size: 14px; line-height: 1.8; }

        .footer-section ul { list-style: none; }

        .footer-section ul li { margin-bottom: 12px; }

        .footer-section ul a { color: var(--text-secondary); text-decoration: none; font-size: 14px; transition: color 0.3s ease; }

        .footer-section ul a:hover { color: var(--primary); }

        .social-links { display: flex; gap: 12px; margin-top: 24px; }

        .social-links a {
            width: 44px;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .social-links a:hover { background: var(--primary); color: #000; border-color: var(--primary); transform: translateY(-3px); }

        .footer-bottom { padding-top: 40px; border-top: 1px solid var(--border); text-align: center; }

        .footer-bottom p { color: var(--text-muted); font-size: 14px; }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid, .features-grid, .products-grid, .benefits-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-content { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .hero { padding: 100px 24px 60px; }
            .stats-grid, .features-grid, .products-grid, .benefits-grid { grid-template-columns: 1fr; }
            .hero-buttons { flex-direction: column; align-items: center; }
            .btn { width: 100%; max-width: 300px; justify-content: center; }
            .footer-content { grid-template-columns: 1fr; text-align: center; }
            .social-links { justify-content: center; }
            .support-features { flex-direction: column; gap: 16px; }
            .support-banner { padding: 40px 24px; }
        }

/* Newsletter Form */
.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form .form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    transition: all 0.3s ease;
}

.newsletter-form input[type="email"]::placeholder {
    color: #8b98a9;
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: #5db9ff;
    box-shadow: 0 0 0 3px rgba(93, 185, 255, 0.1);
    background: rgba(0, 0, 0, 0.4);
}

.newsletter-form .btn-primary {
    padding: 14px 28px;
    background: #5db9ff;
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.newsletter-form .btn-primary:hover {
    background: #4da8ee;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(93, 185, 255, 0.4);
}

.newsletter-form .privacy-note {
    text-align: center;
    font-size: 13px;
    color: #8b98a9;
    margin: 0;
    line-height: 1.5;
}

.newsletter-form .privacy-note a {
    color: #5db9ff;
    text-decoration: none;
    transition: color 0.2s;
}

.newsletter-form .privacy-note a:hover {
    color: #4da8ee;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .newsletter-form .btn-primary {
        width: 100%;
    }
}

/* Newsletter Section (im Footer z.B.) */
.newsletter-section {
    background: rgba(21, 25, 46, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    margin: 40px 0;
}

.newsletter-section h3 {
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.newsletter-section p {
    color: #b8c5d6;
    font-size: 16px;
    margin-bottom: 30px;
}

/* Success/Error Messages */
.newsletter-message {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
}

.newsletter-message.success {
    background: rgba(39, 174, 96, 0.15);
    border: 1px solid rgba(39, 174, 96, 0.3);
    color: #27ae60;
}

.newsletter-message.error {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #e74c3c;
}