/* Base Styles - SEO & Ueeshop Compatible */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', Helvetica, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.8;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
            padding: 30px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        
        /* Header & Hero Section */
        .hero-banner {
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            color: white;
            border-radius: 8px;
            padding: 35px 20px;
            text-align: center;
            margin-bottom: 35px;
        }
        .hero-title {
            font-size: 28px;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .hero-subtitle {
            font-size: 18px;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* Heading Styles - SEO Hierarchy */
        h1 {
            color: #2c3e50;
            font-size: 26px;
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #3498db;
        }
        h2 {
            color: #2980b9;
            font-size: 22px;
            margin: 35px 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h2 i {
            font-size: 20px;
        }
        h3 {
            color: #2c3e50;
            font-size: 18px;
            margin: 25px 0 15px;
        }
        
        /* Product Overview Section */
        .product-overview {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 30px;
            border-left: 4px solid #3498db;
        }
        .overview-text {
            margin-bottom: 15px;
            font-size: 16px;
        }
        
        /* Comparison Section */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
            margin: 20px 0 35px;
        }
        .flash-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 25px;
            border-top: 3px solid transparent;
            transition: all 0.3s ease;
        }
        .flash-card:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .spi-card {
            border-color: #27ae60;
        }
        .parallel-card {
            border-color: #e74c3c;
        }
        .card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid #e9ecef;
        }
        .card-icon {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: white;
        }
        .spi-icon {
            background-color: #27ae60;
        }
        .parallel-icon {
            background-color: #e74c3c;
        }
        .card-title {
            font-size: 20px;
            color: #2c3e50;
            font-weight: 600;
        }
        .card-subtitle {
            font-size: 14px;
            color: #7f8c8d;
            margin-top: 4px;
        }
        .feature-list {
            margin: 15px 0;
        }
        .feature-item {
            display: flex;
            margin-bottom: 12px;
            align-items: flex-start;
        }
        .feature-icon {
            color: #3498db;
            margin-right: 10px;
            margin-top: 4px;
            min-width: 20px;
        }
        .feature-label {
            font-weight: 600;
            color: #2c3e50;
            margin-right: 8px;
        }
        
        /* Alternative Brands Section - SEO Optimized */
        .alternatives-section {
            background: #fafafa;
            border-radius: 8px;
            padding: 25px;
            margin: 35px 0;
            border: 1px solid #e9ecef;
        }
        .brand-intro {
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        .brand-item {
            padding: 12px 18px;
            background: #ffffff;
            border-radius: 6px;
            border: 1px solid #e9ecef;
            text-align: center;
            transition: all 0.2s ease;
            font-size: 15px;
        }
        .brand-item:hover {
            background: #e8f4fd;
            border-color: #3498db;
            transform: translateY(-2px);
        }
        
        /* Key Benefits Section */
        .benefits-section {
            margin: 35px 0;
        }
        .benefits-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .benefit-item {
            padding: 20px;
            background: #e8f4fd;
            border-radius: 8px;
            border-left: 3px solid #3498db;
        }
        .benefit-title {
            font-weight: 600;
            color: #2980b9;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        /* Contact CTA - Conversion Focused */
        .cta-section {
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            color: white;
            border-radius: 8px;
            padding: 30px 20px;
            text-align: center;
            margin-top: 40px;
        }
        .cta-title {
            font-size: 20px;
            margin-bottom: 15px;
            font-weight: 600;
        }
        .cta-contact {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 10px;
        }
        .cta-email, .cta-whatsapp {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            text-decoration: none;
            display: inline-block;
            padding: 8px 15px;
            background: rgba(255,255,255,0.2);
            border-radius: 4px;
        }
        .cta-email:hover, .cta-whatsapp:hover {
            background: rgba(255,255,255,0.3);
            text-decoration: none;
        }
        .cta-note {
            font-size: 14px;
            opacity: 0.9;
        }
        
        /* Quick Summary */
        .quick-summary {
            background: #fafafa;
            border-radius: 8px;
            padding: 20px;
            margin-top: 30px;
            border: 1px solid #e9ecef;
        }
        .summary-title {
            font-size: 18px;
            color: #2c3e50;
            margin-bottom: 15px;
            font-weight: 600;
        }
        .summary-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .summary-item {
            padding: 12px;
            border-radius: 6px;
            font-size: 15px;
        }
        .summary-item.spi {
            background: #eafaf1;
            border-left: 3px solid #27ae60;
        }
        .summary-item.parallel {
            background: #fdedeb;
            border-left: 3px solid #e74c3c;
        }
        
        /* Responsive Design - Mobile SEO Friendly */
        @media (max-width: 768px) {
            .container {
                padding: 20px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            h1 {
                font-size: 22px;
            }
            h2 {
                font-size: 20px;
            }
            .summary-grid {
                grid-template-columns: 1fr;
            }
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .brand-grid {
                grid-template-columns: 1fr;
            }
            .benefits-list {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 22px;
            }
            .cta-contact {
                flex-direction: column;
                align-items: center;
            }
            .cta-email, .cta-whatsapp {
                width: 100%;
                max-width: 300px;
            }
        }