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

        :root {
            --primary: #00D9FF;
            --secondary: #7B2CBF;
            --dark: #0A0E27;
            --darker: #060817;
            --light: #ffffff;
            --gray: #94A3B8;
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(to bottom, #060817, #0A0E27);
            color: var(--light);
            min-height: 100vh;
            line-height: 1.6;
        }

        /* Header - Matching site consistency */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 14, 39, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
        }

        nav {
            max-width: 1260px;
            margin: 0 auto;
            padding: 1.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 500;
        }

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

        /* Main Container */
        .container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 8rem 2rem 4rem;
        }

        .calculator-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .calculator-header h1 {
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }

        .calculator-header p {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Calculator Layout */
        .calculator-layout {
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 2rem;
            margin-top: 3rem;
        }

        /* Service Selection */
        .services-column {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2rem;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .section-title svg {
            width: 28px;
            height: 28px;
            stroke: var(--primary);
        }

        .service-category {
            margin-bottom: 1.5rem;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .service-category.active {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(0, 217, 255, 0.2);
        }

        .category-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            padding: 1rem 1.5rem;
            margin: 0;
            background: rgba(0, 217, 255, 0.05);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: all 0.3s ease;
        }

        .category-title:hover {
            background: rgba(0, 217, 255, 0.1);
        }

        .category-title::after {
            content: '▼';
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            color: var(--gray);
        }

        .service-category.collapsed .category-title::after {
            transform: rotate(-90deg);
        }

        .category-content {
            padding: 1rem;
            max-height: 1000px;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .service-category.collapsed .category-content {
            max-height: 0;
            padding: 0 1rem;
        }

        .service-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem;
            margin-bottom: 0.75rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .service-item:hover {
            background: rgba(0, 217, 255, 0.1);
            border-color: rgba(0, 217, 255, 0.3);
            transform: translateX(5px);
        }

        .service-item.selected {
            background: rgba(0, 217, 255, 0.15);
            border-color: var(--primary);
        }

        .service-info {
            flex: 1;
        }

        .service-name {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .service-description {
            font-size: 0.875rem;
            color: var(--gray);
        }

        .service-price {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 1rem;
        }

        .service-checkbox {
            width: 24px;
            height: 24px;
            accent-color: var(--primary);
            cursor: pointer;
        }

        /* Options Section */
        .options-section {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .option-group {
            margin-bottom: 1.5rem;
        }

        .option-label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--light);
        }

        select, input[type="number"] {
            width: 100%;
            padding: 0.75rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: var(--light);
            font-size: 1rem;
            transition: all 0.3s;
        }

        select:focus, input[type="number"]:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.08);
        }

        option {
            background: var(--dark);
            color: var(--light);
        }

        .slider-container {
            position: relative;
        }

        .slider {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.1);
            outline: none;
            -webkit-appearance: none;
        }

        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary);
            cursor: pointer;
            transition: all 0.3s;
        }

        .slider::-webkit-slider-thumb:hover {
            transform: scale(1.2);
            box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
        }

        .slider-value {
            margin-top: 0.5rem;
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* Cost Summary */
        .cost-summary {
            position: sticky;
            top: 100px;
            background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(123, 44, 191, 0.1));
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 2rem;
            height: fit-content;
        }

        .summary-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .cost-breakdown {
            margin-bottom: 1.5rem;
        }

        .cost-line {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            font-size: 0.875rem;
            color: var(--gray);
        }

        .cost-line.item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            margin-bottom: 0.5rem;
        }

        .cost-line.subtotal {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
            color: var(--light);
        }

        .cost-line.total {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 2px solid var(--primary);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        .monthly-total {
            background: rgba(0, 217, 255, 0.1);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-radius: 12px;
            padding: 1rem;
            margin: 1rem 0;
            text-align: center;
        }

        .monthly-total .label {
            font-size: 0.875rem;
            color: var(--gray);
            margin-bottom: 0.5rem;
        }

        .monthly-total .amount {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* Detailed Breakdown */
        .detailed-breakdown {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .breakdown-title {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .breakdown-section {
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
        }

        .breakdown-section h4 {
            font-size: 0.875rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .breakdown-item {
            display: flex;
            justify-content: space-between;
            padding: 0.25rem 0;
            font-size: 0.813rem;
            color: var(--gray);
        }

        /* Action Buttons */
        .action-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .btn {
            flex: 1;
            padding: 1rem;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--primary);
        }

        /* Timeline Estimate */
        .timeline-estimate {
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: 12px;
            padding: 1rem;
            margin-top: 1rem;
            text-align: center;
        }

        .timeline-estimate .label {
            font-size: 0.875rem;
            color: var(--gray);
            margin-bottom: 0.5rem;
        }

        .timeline-estimate .duration {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--success);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .calculator-layout {
                grid-template-columns: 1fr;
            }

            .cost-summary {
                position: static;
                margin-top: 2rem;
            }
        }

        @media (max-width: 768px) {
            .calculator-header h1 {
                font-size: 2.5rem;
            }

            .nav-links {
                display: none;
            }

            .container {
                padding: 6rem 1rem 2rem;
            }

            .services-column, .cost-summary {
                padding: 1.5rem;
            }
        }

        /* Print Styles */
        @media print {
            body {
                background: white;
                color: black;
            }

            header {
                position: static;
                border-bottom: 2px solid black;
            }

            .service-item {
                break-inside: avoid;
            }

            .cost-summary {
                break-inside: avoid;
                border: 2px solid black;
            }
        }

        /* Notification Modal */
        .notification-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(6, 8, 23, 0.85);
            backdrop-filter: blur(10px);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            padding: 20px;
        }

        .notification-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .notification-content {
            background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(123, 44, 191, 0.1));
            border: 2px solid rgba(0, 217, 255, 0.3);
            border-radius: 20px;
            padding: 40px;
            max-width: 500px;
            width: 100%;
            text-align: center;
            transform: translateY(20px);
            transition: transform 0.3s ease;
            box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
        }

        .notification-modal.active .notification-content {
            transform: translateY(0);
        }

        .notification-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
        }

        .notification-icon.success {
            background: linear-gradient(135deg, #10B981, #059669);
        }

        .notification-icon.error {
            background: linear-gradient(135deg, #EF4444, #DC2626);
        }

        .notification-title {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 15px;
            background: linear-gradient(135deg, #00D9FF, #7B2CBF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .notification-message {
            color: #E0E0E0;
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 30px;
        }

        .notification-button {
            background: linear-gradient(135deg, #00D9FF, #7B2CBF);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .notification-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
        }

        /* Newsletter Section */
        .newsletter-section {
            background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(123, 44, 191, 0.05) 100%);
            padding: 80px 20px;
            text-align: center;
            border-top: 1px solid rgba(0, 217, 255, 0.1);
        }

        .newsletter-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .newsletter-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .newsletter-subtitle {
            font-size: 18px;
            color: var(--gray);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .newsletter-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }

        .newsletter-input {
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: #e0e0e0;
        }

        .newsletter-input:focus {
            outline: none;
            border-color: var(--primary);
        }

        .newsletter-input::placeholder {
            color: var(--gray);
        }

        .newsletter-consent {
            display: flex;
            align-items: start;
            gap: 10px;
            font-size: 14px;
            color: #b0b0b0;
            cursor: pointer;
            text-align: left;
        }

        .newsletter-consent input[type="checkbox"] {
            margin-top: 2px;
            cursor: pointer;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .newsletter-consent span {
            flex: 1;
            line-height: 1.5;
        }

        .newsletter-consent a {
            color: #00d4ff;
            text-decoration: underline;
        }

        .newsletter-consent a:hover {
            color: #7b2ff7;
        }

        .newsletter-btn {
            padding: 1rem 2rem;
            background: linear-gradient(135deg, #00d4ff, #7b2ff7);
            border: none;
            border-radius: 8px;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .newsletter-btn:hover {
            transform: scale(1.05);
        }

        .newsletter-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        .newsletter-privacy {
            font-size: 14px;
            color: var(--gray);
        }

        /* Footer */
        footer {
            background: var(--darker);
            border-top: 1px solid rgba(0, 217, 255, 0.1);
            padding: 3rem 2rem;
            text-align: center;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .footer-content p {
            color: var(--gray);
            margin-bottom: 0.5rem;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(0, 217, 255, 0.1);
            border: 1px solid rgba(0, 217, 255, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-links a svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
            transition: fill 0.3s ease;
        }

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

        .social-links a:hover svg {
            fill: var(--dark);
        }

        @media (max-width: 768px) {
            .notification-content {
                padding: 30px 20px;
            }

            .notification-title {
                font-size: 20px;
            }

            .notification-message {
                font-size: 14px;
            }

            .newsletter-title {
                font-size: 28px;
            }

            .newsletter-subtitle {
                font-size: 16px;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .newsletter-btn {
                width: 100%;
            }
        }
