:root {
            --primary-blue: #3b82f6;
            --primary-pink: #ec4899;
            --light-bg: #f8fafc;
            --dark-text: #1f2937;
            --card-bg: #ffffff;
            --border-color: #e5e7eb;
            --text-muted: #6b7280;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --free-tier: #6b7280;
            --premium-tier: #3b82f6;
            --pro-tier: #8b5cf6;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.6;
        }

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

        /* Header */
        header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
        }

        .logo span:first-child {
            color: var(--primary-blue);
        }

        .logo span:last-child {
            color: var(--primary-pink);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }

        nav a {
            color: var(--dark-text);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover {
            color: var(--primary-pink);
        }

        .auth-buttons {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 8px 20px;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-login {
            background-color: transparent;
            color: var(--dark-text);
            border: 1px solid var(--border-color);
        }

        .btn-login:hover {
            background-color: var(--light-bg);
        }

        .btn-primary {
            background-color: var(--primary-blue);
            color: white;
        }

        .btn-primary:hover {
            background-color: #2563eb;
        }

        /* Hero Section */
        .pricing-hero {
            padding: 80px 0 50px;
            text-align: center;
        }

        .pricing-hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary-blue), var(--primary-pink));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .pricing-hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            color: var(--text-muted);
        }

        /* Billing Toggle */
        .billing-toggle {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 40px;
        }

        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 60px;
            height: 30px;
        }

        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #e5e7eb;
            transition: .4s;
            border-radius: 34px;
        }

        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 22px;
            width: 22px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        input:checked + .toggle-slider {
            background-color: var(--primary-blue);
        }

        input:checked + .toggle-slider:before {
            transform: translateX(30px);
        }

        .toggle-label {
            font-weight: 600;
            color: var(--text-muted);
        }

        .toggle-label.active {
            color: var(--primary-blue);
        }

        .discount-badge {
            background-color: var(--success);
            color: white;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 10px;
        }

        /* Pricing Cards */
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .pricing-card {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 40px 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            position: relative;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 2px solid transparent;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .pricing-card.popular {
            border-color: var(--primary-blue);
            transform: scale(1.05);
        }

        .pricing-card.popular:hover {
            transform: scale(1.05) translateY(-5px);
        }

        .popular-badge {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(to right, var(--primary-blue), var(--primary-pink));
            color: white;
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .plan-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            text-align: center;
        }

        .plan-name.free {
            color: var(--free-tier);
        }

        .plan-name.premium {
            color: var(--premium-tier);
        }

        .plan-name.pro {
            color: var(--pro-tier);
        }

        .plan-description {
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 25px;
        }

        .plan-price {
            text-align: center;
            margin-bottom: 25px;
        }

        .price-amount {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
        }

        .price-period {
            color: var(--text-muted);
            font-size: 1rem;
        }

        .plan-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .plan-features li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .plan-features li i {
            width: 20px;
            text-align: center;
        }

        .fa-check {
            color: var(--success);
        }

        .fa-times {
            color: var(--text-muted);
        }

        .fa-star {
            color: var(--warning);
        }

        .btn-plan {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-free {
            background-color: #f3f4f6;
            color: var(--dark-text);
        }

        .btn-free:hover {
            background-color: #e5e7eb;
        }

        .btn-premium {
            background: linear-gradient(to right, var(--primary-blue), var(--primary-pink));
            color: white;
        }

        .btn-premium:hover {
            opacity: 0.9;
        }

        .btn-pro {
            background-color: var(--pro-tier);
            color: white;
        }

        .btn-pro:hover {
            background-color: #7c3aed;
        }

        /* Feature Comparison */
        .feature-comparison {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            margin-bottom: 60px;
            overflow-x: auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: #f9fafb;
            font-weight: 600;
        }

        .comparison-table th:first-child {
            width: 30%;
        }

        .comparison-table th:not(:first-child) {
            text-align: center;
        }

        .feature-category {
            background-color: #f3f4f6;
            font-weight: 600;
            color: var(--dark-text);
        }

        .plan-header {
            text-align: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .plan-header.free {
            color: var(--free-tier);
        }

        .plan-header.premium {
            color: var(--premium-tier);
        }

        .plan-header.pro {
            color: var(--pro-tier);
        }

        .feature-value {
            text-align: center;
        }

        .feature-value i {
            font-size: 1.2rem;
        }

        .fa-check-circle {
            color: var(--success);
        }

        .fa-times-circle {
            color: var(--text-muted);
        }

        /* FAQ Section */
        .faq-section {
            margin-bottom: 60px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 20px;
        }

        .faq-item {
            background-color: var(--card-bg);
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }

        .faq-question {
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-answer {
            color: var(--text-muted);
            display: none;
        }

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

        .faq-toggle {
            background: none;
            border: none;
            color: var(--primary-blue);
            cursor: pointer;
            font-size: 1.2rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-pink));
            color: white;
            border-radius: 15px;
            padding: 60px 40px;
            text-align: center;
            margin-bottom: 60px;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            background-color: white;
            color: var(--primary-blue);
            padding: 14px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        /* Footer */
        footer {
            background-color: #1e293b;
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-logo span:first-child {
            color: var(--primary-blue);
        }

        .footer-logo span:last-child {
            color: var(--primary-pink);
        }

        .footer-about p {
            color: #cbd5e1;
            margin-bottom: 20px;
        }

        .footer-links h3 {
            margin-bottom: 20px;
            font-size: 1.2rem;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark-text);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            nav ul {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--card-bg);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }

            nav ul.active {
                display: flex;
            }

            .auth-buttons {
                display: none;
            }

            .pricing-hero h1 {
                font-size: 2.2rem;
            }

            .pricing-cards {
                grid-template-columns: 1fr;
            }

            .pricing-card.popular {
                transform: scale(1);
            }

            .pricing-card.popular:hover {
                transform: translateY(-5px);
            }

            .feature-comparison {
                padding: 20px;
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 40px 20px;
            }

            .cta-section h2 {
                font-size: 2rem;
            }
        }