:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --bihar-purple: #5a4fcf;
            --patna-blue: #1a4b8c;
            --light-accent: #e8eaf6;
        }
        
        body {
            background: linear-gradient(to bottom, #f9fbfd, #e6f0fa);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        
        h1, h2, h3, h4, h5 {
            color: var(--patna-blue);
            font-weight: 700;
        }
         h1 {
            color: var(--patna-white);
            font-weight: 700;
        }
        
        .patna-header {
            background: linear-gradient(rgba(26, 75, 140, 0.85), rgba(26, 75, 140, 0.92)), 
                        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><rect width="100" height="100" fill="%231a4b8c" opacity="0.8"/><path d="M30,30 Q50,10 70,30 T90,30 Q85,50 90,70 T70,90 Q50,85 30,90 T10,70 Q15,50 10,30 Z" fill="%235a4fcf" opacity="0.1"/></svg>');
            background-size: cover;
            border-radius: 0 0 30px 30px;
            padding: 3rem 0 4rem;
            margin-bottom: 3rem;
            box-shadow: 0 10px 30px rgba(26, 75, 140, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .district-badge {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 8px 20px;
            font-weight: 600;
            color: white;
        }
        
        .tool-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(90, 79, 207, 0.1);
            border: none;
            margin-bottom: 30px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            z-index: 1;
        }
        
        .tool-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(90, 79, 207, 0.2);
        }
        
        .tool-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(90deg, var(--saffron), var(--white), var(--green));
            z-index: 2;
        }
        
        .tool-card .card-header {
            background-color: white;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 20px 25px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--patna-blue);
        }
        
        .card-icon {
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            margin: 0 auto 20px;
            color: white;
            font-size: 2rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .icon-conversion {
            background: linear-gradient(135deg, var(--bihar-purple), #7b6cf6);
        }
        
        .icon-area {
            background: linear-gradient(135deg, var(--green), #1a9a0d);
        }
        
        .icon-price {
            background: linear-gradient(135deg, var(--saffron), #ffb224);
        }
        
        .conversion-box {
            background-color: #f8f9ff;
            border-radius: 15px;
            padding: 25px;
            border: 1px solid rgba(90, 79, 207, 0.1);
        }
        
        .form-control, .form-select {
            border-radius: 12px;
            padding: 12px 18px;
            border: 2px solid #e9ecef;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        .form-control:focus, .form-select:focus {
            border-color: var(--bihar-purple);
            box-shadow: 0 0 0 0.25rem rgba(90, 79, 207, 0.2);
        }
        
        .btn-patna {
            background: linear-gradient(to right, var(--patna-blue), var(--bihar-purple));
            border: none;
            border-radius: 12px;
            padding: 12px 25px;
            font-weight: 600;
            color: white;
            transition: all 0.3s;
        }
        
        .btn-patna:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(90, 79, 207, 0.3);
        }
        
        .result-box {
            background: linear-gradient(to right, #f0f5ff, #e6eeff);
            border-radius: 15px;
            padding: 20px;
            margin-top: 20px;
            border-left: 4px solid var(--bihar-purple);
            position: relative;
            overflow: hidden;
        }
        
        .unit-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-top: 20px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .unit-table th {
            background-color: var(--patna-blue);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }
        
        .unit-table td {
            padding: 15px;
            border-bottom: 1px solid #eee;
            background-color: white;
        }
        
        .unit-table tr:last-child td {
            border-bottom: none;
        }
        
        .dimension-inputs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 25px;
        }
        
        .price-summary {
            background: linear-gradient(to right, #fff9e6, #fff4d9);
            border-radius: 15px;
            padding: 25px;
            margin-top: 25px;
            border-left: 4px solid var(--saffron);
        }
        
        .feature-card {
            background: white;
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: all 0.3s;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.03);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(90, 79, 207, 0.15);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 15px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #e6eeff, #d0dcff);
            color: var(--patna-blue);
            font-size: 1.8rem;
        }
        
        .patna-info-card {
            background: linear-gradient(to bottom right, #f0f5ff, #e6eeff);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        .price-trend-card {
            background: linear-gradient(to bottom right, #fff9e6, #fff4d9);
            border-radius: 20px;
            padding: 25px;
            margin-top: 30px;
        }
        
        .trend-bar {
            height: 10px;
            border-radius: 5px;
            background: #e0e0e0;
            margin: 15px 0;
            overflow: hidden;
            position: relative;
        }
        
        .trend-fill {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            border-radius: 5px;
            background: linear-gradient(to right, var(--saffron), #ff6600);
        }
        
        .breadcrumb {
            background-color: #f8f9ff;
            border-radius: 12px;
            padding: 12px 20px;
        }
        
        .breadcrumb-item a {
            color: var(--patna-blue);
            text-decoration: none;
            font-weight: 500;
        }
        
        @media (max-width: 768px) {
            .dimension-inputs {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            .patna-header {
                padding: 2rem 0;
            }
            
            h1 {
                font-size: 1.8rem;
            }
        }
        
        /* SEO Content Styling */
        .seo-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        
        .seo-content h2 {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 25px;
        }
        
        .seo-content h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, var(--saffron), var(--green));
            border-radius: 2px;
        }
        
        .seo-section {
            margin-bottom: 30px;
        }
        
        .seo-section:last-child {
            margin-bottom: 0;
        }