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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #ffffff;
            background: linear-gradient(135deg, #0c0e27 0%, #1a1d3a 50%, #2d1b69 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            padding: 20px 0;
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(12, 14, 39, 0.9);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .nav-links a {
            color: #ffffff;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 8px 16px;
            border-radius: 6px;
        }

        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero Section */
        .hero {
            padding: 140px 0 100px;
            text-align: center;
            background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            color: #cbd5e1;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            padding: 16px 32px;
            color: #764ba2;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
            border: none;
            cursor: pointer;
            background-color: white;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background: rgba(0, 0, 0, 0.2);
        }

        .features h2 {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 60px;
            color: #ffffff;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            padding: 40px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
            backdrop-filter: blur(20px);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            color: #a78bfa;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .feature-card p {
            color: #cbd5e1;
            line-height: 1.7;
        }

        /* Pricing Section */
        .pricing {
            padding: 100px 0;
        }

        .pricing h2 {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .pricing-toggle {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 60px;
            gap: 20px;
        }

        .toggle-switch {
            position: relative;
            width: 60px;
            height: 30px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .toggle-switch.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

        .toggle-slider {
            position: absolute;
            top: 3px;
            left: 3px;
            width: 24px;
            height: 24px;
            background: white;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .toggle-switch.active .toggle-slider {
            transform: translateX(30px);
        }

        .pricing-cards {
            display: flex;
            justify-content: center;
            max-width: 400px;
            margin: 0 auto;
        }

        .pricing-card {
            padding: 40px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
            border-radius: 20px;
            border: 1px solid #667eea;
            text-align: center;
            position: relative;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
            width: 100%;
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .price {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin: 20px 0;
        }

        .price-period {
            color: #cbd5e1;
            font-size: 1rem;
        }

        .features-list {
            list-style: none;
            padding: 30px 0;
            text-align: left;
        }

        .features-list li {
            padding: 10px 0;
            color: #cbd5e1;
            display: flex;
            align-items: center;
        }

        .features-list li:before {
            content: "✓";
            color: #10b981;
            font-weight: bold;
            margin-right: 12px;
        }

        /* FAQ Section */
        .faq {
            padding: 100px 0;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq h2 {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 60px;
            color: #ffffff;
        }

        .faq-item {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
            border-radius: 12px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
        }

        .faq-question {
            padding: 25px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #ffffff;
        }

        .faq-answer {
            padding: 0 25px 25px;
            color: #cbd5e1;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* Footer */
        footer {
            padding: 60px 0 40px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-content {
            color: #cbd5e1;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .pricing-cards {
                max-width: 100%;
            }
        }

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

        .fade-in {
            animation: fadeInUp 0.6s ease-out;
        }

        /* Loading spinner */
        .spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #ffffff;
            animation: spin 1s ease-in-out infinite;
            margin-right: 8px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Email input + CTA layout */
        .hero-cta {
            display: flex;
            gap: 12px;
            justify-content: center;
            align-items: center;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .email-input {
            width: min(420px, 90vw);
            padding: 14px 16px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            outline: none;
            font-size: 1rem;
            backdrop-filter: blur(8px);
        }

        .email-input::placeholder {
            color: #cbd5e1;
        }

        .error-text {
            width: 100%;
            text-align: center;
            color: #ef4444;
            font-size: 0.95rem;
            margin-top: 6px;
            min-height: 1.2em;
        }

        .success-text {
            width: 100%;
            text-align: center;
            color: #10b981;
            font-size: 0.95rem;
            margin-top: 6px;
            min-height: 1.2em;
        }

        /* Contact Section */
        .contact {
            padding: 100px 0;
            background: rgba(0, 0, 0, 0.2);
        }

        .contact h2 {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffffff;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .contact-card {
            padding: 28px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(18px);
        }

        .contact-row {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #cbd5e1;
            margin: 10px 0;
        }

        .contact-row i {
            color: #a78bfa;
        }

        .contact-row a {
            color: #cbd5e1;
            text-decoration: none;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .contact-form .email-input {
            width: 100%;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }