:root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #f8f9fa;
            --dark: #212529;
        }
        

        .ecommerce-container {
            background: white;
            border-radius: 15px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
            overflow: hidden;
            margin: 40px auto;
            max-width: 1200px;
        }
        
        .ecommerce-header {
            background: linear-gradient(to right, var(--primary), #3a5378);
            color: white;
            padding: 40px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 10% 20%, rgba(255,255,255,0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255,255,255,0.05) 0%, transparent 20%);
            pointer-events: none;
        }
        
        .ecommerce-body {
            padding: 40px;
        }
        
        .feature-icon {
            background: rgba(255, 255, 255, 0.15);
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }
        
        .card-option {
            border: 2px solid #e0e6ed;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 20px;
            transition: all 0.3s ease;
            background: #f9fbfd;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .card-option::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .card-option:hover, .card-option.selected {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
            border-color: #cbd6e2;
        }
        
        .card-option.selected {
            border-color: var(--accent);
            background: #fdedec;
        }
        
        .card-option.selected::before {
            transform: scaleX(1);
        }
        
        .card-option h5 {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .card-option ul {
            padding-left: 20px;
            color: #4a5568;
            margin-bottom: 15px;
        }
        
        .card-option ul li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 10px;
        }
        
        .card-option ul li::before {
            content: '•';
            color: var(--accent);
            position: absolute;
            left: -10px;
        }
        
        .price-display {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin: 25px 0;
            text-align: center;
        }
        
        .currency {
            font-size: 1.8rem;
            vertical-align: super;
        }
        
        .btn-ecommerce {
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 10px;
            transition: all 0.3s;
            font-size: 1.1rem;
            border: none;
            position: relative;
            overflow: hidden;
        }
        
        .btn-ecommerce::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        
        .btn-ecommerce:hover::after {
            transform: translateX(0);
        }
        
        .btn-calculate {
            background: linear-gradient(to right, var(--accent), #c0392b);
            color: white;
        }
        
        .btn-request {
            background: linear-gradient(to right, var(--secondary), #2980b9);
            color: white;
        }
        
        .form-control, .form-select {
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            padding: 14px 18px;
            transition: all 0.3s;
            font-size: 1rem;
        }
        
        .form-control:focus, .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 0.25rem rgba(231, 76, 60, 0.25);
        }
        
        .result-container {
            background: #fdedec;
            border-left: 5px solid var(--accent);
            border-radius: 12px;
            padding: 25px;
            margin-top: 25px;
        }
        
        .tech-badge {
            display: inline-block;
            background: rgba(231, 76, 60, 0.15);
            color: var(--accent);
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 5px;
        }
        
        .section-title {
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #eaeff5;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 70px;
            height: 2px;
            background: var(--accent);
        }
        
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid #eaeff5;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
            border-color: var(--accent);
        }
        
        .feature-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        .feature-card h4 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .slider-container {
            padding: 20px 15px;
        }
        
        .slider-value {
            font-weight: 600;
            color: var(--accent);
            font-size: 1.2rem;
            margin-top: 10px;
            text-align: center;
        }
        
        .range-slider {
            width: 100%;
            height: 10px;
            --webkit-appearance: none;
            background: #e0e6ed;
            border-radius: 5px;
            outline: none;
        }
        
        .range-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            background: var(--accent);
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .range-slider::-webkit-slider-thumb:hover {
            transform: scale(1.2);
            box-shadow: 0 0 10px rgba(231, 76, 60, 0.5);
        }
        
        .badge-plan {
            display: inline-block;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .plan-basic {
            background: rgba(231, 76, 60, 0.15);
            color: #e74c3c;
        }
        
        .plan-advanced {
            background: rgba(155, 89, 182, 0.15);
            color: #8e44ad;
        }
        
        .plan-premium {
            background: rgba(46, 204, 113, 0.15);
            color: #27ae60;
        }
        
        @media (max-width: 992px) {
            .ecommerce-body {
                padding: 25px;
            }
            
            .price-display {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .ecommerce-header {
                padding: 30px 15px;
            }
            
            .feature-icon {
                width: 70px;
                height: 70px;
                font-size: 1.8rem;
            }
        }

                .price-color-calculator{
         color: var(--accent);   
        }

                .bg-offer{
                    background: linear-gradient(to right, var(--accent), #c0392b); color: white;
        }