:root {
            --primary: #1a3a6c;
            --secondary: #2c5282;
            --accent: #3182ce;
            --light: #f0f7ff;
            --dark: #152c52;
            --success: #38a169;
            --error: #e53e3e;
            --text: #333333;
            --light-text: #718096;
            --border: #e2e8f0;
            --background: #f8fafc;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--background);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* SEO Content Sections */
        .hero-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .hero-section h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero-section .lead-text {
            font-size: 1.3rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .value-proposition-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }
        
        .value-prop {
            background: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        
        .value-prop i {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--light);
        }
        
        .value-prop h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        
        /* Calculator Grid */
        .calculators-section {
            padding: 80px 0;
            background: white;
        }
        
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--light-text);
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .calculator-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .calculator-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .calculator-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .calculator-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        
        .calculator-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }
        
        .calculator-icon i {
            font-size: 2rem;
            color: white;
        }
        
        .calculator-card h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        .calculator-card p {
            color: var(--light-text);
            margin-bottom: 25px;
            line-height: 1.6;
        }
        
        .calculator-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        
        .calculator-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(26, 58, 108, 0.3);
        }
        
        /* Detailed Content Sections */
        .content-section {
            padding: 80px 0;
        }
        
        .content-section:nth-child(even) {
            background: var(--background);
        }
        
        .content-section h2 {
            font-size: 2.3rem;
            color: var(--primary);
            margin-bottom: 30px;
            text-align: center;
            font-weight: 700;
        }
        
        .detailed-calculator-grid {
            display: grid;
            gap: 40px;
            margin-top: 50px;
        }
        
        .calc-detail {
            background: white;
            padding: 40px;
            border-radius: 15px;
            border-left: 5px solid var(--accent);
            box-shadow: var(--shadow);
        }
        
        .calc-detail h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .calc-detail p {
            margin-bottom: 20px;
            line-height: 1.7;
            color: var(--text);
        }
        
        .calc-detail ul {
            margin-bottom: 20px;
            padding-left: 0;
        }
        
        .calc-detail li {
            list-style: none;
            padding: 8px 0;
            padding-left: 30px;
            position: relative;
            color: var(--text);
        }
        
        .calc-detail li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success);
            font-weight: bold;
        }
        
        /* Industry Examples */
        .industry-examples {
            padding: 80px 0;
            background: white;
        }
        
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }
        
        .industry-example {
            background: var(--light);
            padding: 35px;
            border-radius: 15px;
            border-top: 4px solid var(--primary);
        }
        
        .industry-example h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .example-calculation {
            background: white;
            padding: 25px;
            border-radius: 10px;
            margin-top: 20px;
        }
        
        .example-calculation p {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .example-calculation ul {
            padding-left: 0;
        }
        
        .example-calculation li {
            list-style: none;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
        }
        
        .example-calculation li:last-child {
            border-bottom: none;
        }
        
        /* FAQ Section */
        .faq-section {
            padding: 80px 0;
            background: var(--background);
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
            margin-top: 50px;
        }
        
        .faq-item {
            background: white;
            margin-bottom: 20px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .faq-item h3 {
            background: var(--primary);
            color: white;
            padding: 25px;
            margin: 0;
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .faq-item p {
            padding: 25px;
            margin: 0;
            line-height: 1.7;
            color: var(--text);
        }
        
        /* Local SEO Section */
        .local-business-section {
            padding: 60px 0;
            background: white;
        }
        
        .location-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }
        
        .location-info {
            background: var(--light);
            padding: 35px;
            border-radius: 15px;
            border-left: 5px solid var(--accent);
        }
        
        .location-info h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        .location-info p {
            margin-bottom: 20px;
            color: var(--text);
        }
        
        .location-info ul {
            padding-left: 0;
        }
        
        .location-info li {
            list-style: none;
            padding: 8px 0;
            padding-left: 25px;
            position: relative;
            color: var(--text);
        }
        
        .location-info li:before {
            content: '📍';
            position: absolute;
            left: 0;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-btn {
            background: white;
            color: var(--primary);
            padding: 18px 40px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        
        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
        }
        
        .modal-content {
            background-color: white;
            margin: 2% auto;
            padding: 0;
            border-radius: 20px;
            width: 95%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
        }
        
        .modal-header {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 25px;
            border-radius: 20px 20px 0 0;
            position: relative;
        }
        
        .modal-header h2 {
            margin: 0;
            font-size: 1.8rem;
            font-weight: 600;
        }
        
        .close {
            position: absolute;
            right: 25px;
            top: 50%;
            transform: translateY(-50%);
            color: white;
            font-size: 2rem;
            font-weight: bold;
            cursor: pointer;
            line-height: 1;
        }
        
        .close:hover {
            opacity: 0.7;
        }
        
        .modal-body {
            padding: 40px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text);
        }
        
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
        }
        
        .calculate-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 18px 35px;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }
        
        .calculate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(26, 58, 108, 0.3);
        }
        
        .result-section {
            margin-top: 30px;
            padding: 25px;
            background: var(--light);
            border-radius: 15px;
            border-left: 5px solid var(--success);
        }
        
        .result-section h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        
        .result-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        
        .result-item:last-child {
            border-bottom: none;
        }
        
        .result-item .label {
            font-weight: 600;
            color: var(--text);
        }
        
        .result-item .value {
            font-weight: bold;
            color: var(--primary);
            font-size: 1.1rem;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            
            .hero-section .lead-text {
                font-size: 1.1rem;
            }
            
            .value-proposition-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .calculator-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .industry-grid,
            .location-grid {
                grid-template-columns: 1fr;
            }
            
            .container {
                padding: 0 15px;
            }
            
            .modal-content {
                width: 98%;
                margin: 1% auto;
            }
            
            .modal-body {
                padding: 25px;
            }
        }
        
        @media (max-width: 480px) {
            .hero-section {
                padding: 50px 0;
            }
            
            .hero-section h1 {
                font-size: 1.8rem;
            }
            
            .content-section {
                padding: 50px 0;
            }
            
            .calculator-card,
            .calc-detail {
                padding: 25px;
            }
        }

body { font-family: Arial, sans-serif; margin: 20px; }
                            .result-item { display: flex; justify-content: space-between; padding: 10px; border-bottom: 1px solid #ccc; }
                            .header { text-align: center; margin-bottom: 30px; }
                            .footer { margin-top: 30px; text-align: center; font-size: 12px; color: #666; }