.calculators-container {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        
        .utility-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        .utility-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #3498db, #2ecc71, #f1c40f, #e74c3c);
            animation: rainbow-border 3s linear infinite;
        }
        
        /* Different style for pay calculator */
        .pay-calculator-section {
            background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
        }
        
        .pay-calculator-section::before {
            background: linear-gradient(90deg, #e17055, #fdcb6e, #00b894, #6c5ce7);
        }
        
        @keyframes rainbow-border {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .utility-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
        }
        
        .utility-title {
            font-size: 1.75rem;
            color: #2c3e50;
            margin: 0;
            font-weight: 600;
        }
        
        .pay-calculator-section .utility-title {
            color: #8b4513;
        }
        
        .flash-tag {
            background: #e74c3c;
            color: white;
            padding: 0.35rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            animation: pulse 1.5s infinite;
        }
        
        .pay-flash-tag {
            background: #e17055;
            animation: bounce 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-3px); }
        }
        
        .flash-icon {
            margin-right: 0.4rem;
        }
        
        .utility-description {
            color: #5a6e7c;
            line-height: 1.6;
            margin-bottom: 2rem;
        }
        
        .pay-calculator-section .utility-description {
            color: #6d4c41;
        }
        
        .calculator-button {
            display: inline-block;
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            color: white;
            font-weight: 600;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .pay-calculator-button {
            background: linear-gradient(135deg, #e17055 0%, #d63031 100%);
            box-shadow: 0 4px 12px rgba(225, 112, 85, 0.3);
        }
        
        .calculator-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
        }
        
        .pay-calculator-button:hover {
            box-shadow: 0 8px 20px rgba(225, 112, 85, 0.4);
        }
        
        .calculator-button::after {
            content: "";
            position: absolute;
            width: 30px;
            height: 100px;
            background-color: rgba(255, 255, 255, 0.3);
            top: -30px;
            left: -100px;
            transform: rotate(45deg);
            transition: all 0.5s ease;
        }
        
        .calculator-button:hover::after {
            left: 120%;
        }
        
        @media (max-width: 768px) {
            .calculator-button:hover {
                transform: none;
                box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
            }
            
            .pay-calculator-button:hover {
                box-shadow: 0 4px 12px rgba(225, 112, 85, 0.3);
            }
            
            .calculator-button::after {
                display: none;
            }
        }
        
        .calculator-icon {
            margin-right: 0.5rem;
        }
        
        .animated-bg {
            position: absolute;
            bottom: 0;
            right: 0;
            width: 150px;
            height: 150px;
            opacity: 0.07;
            z-index: 0;
        }
        
        @media (max-width: 768px) {
            .calculators-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                margin: 1.5rem;
            }
            
            .utility-section {
                padding: 1.5rem;
            }
            
            .utility-title {
                font-size: 1.5rem;
            }
            
            .utility-header {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .flash-tag {
                margin-top: 0.5rem;
            }
        }