:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --teal: #008080;
            --gold: #FFD700;
            --light-green: #e6f7e6;
            --light-blue: #e6f0ff;
            --light-orange: #fff0e6;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        
        .hero-section {
            background: linear-gradient(135deg, rgba(46,125,50,0.1), rgba(19,136,8,0.05));
            border-radius: 16px;
            padding: 3rem 2rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(90deg, var(--saffron), var(--white), var(--green));
            z-index: 1;
        }
        
        .district-header {
            position: relative;
            z-index: 2;
        }
        
        .tool-card {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
            border: none;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            position: relative;
            margin-bottom: 30px;
            height: 100%;
        }
        
        .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:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        
        .card-header {
            background-color: white;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 1.5rem;
            position: relative;
        }
        
        .card-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-bottom: 15px;
            color: white;
            font-size: 1.8rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .icon-convert {
            background: linear-gradient(135deg, #FF9933, #FF6600);
        }
        
        .icon-area {
            background: linear-gradient(135deg, #138808, #0B5E08);
        }
        
        .icon-price {
            background: linear-gradient(135deg, #000080, #1A237E);
        }
        
        .card-title {
            color: #2c3e50;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .card-body {
            padding: 1.5rem;
            background-color: white;
        }
        
        .form-label {
            font-weight: 600;
            color: #555;
        }
        
        .form-control, .form-select {
            border-radius: 12px;
            padding: 10px 15px;
            border: 1px solid #ddd;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .form-control:focus, .form-select:focus {
            border-color: var(--saffron);
            box-shadow: 0 0 0 0.25rem rgba(255, 153, 51, 0.25);
        }
        
        .btn-primary {
            background-color: var(--green);
            border-color: var(--green);
            border-radius: 12px;
            padding: 10px 20px;
            font-weight: 600;
        }
        
        .btn-primary:hover {
            background-color: #0d7806;
            border-color: #0d7806;
        }
        
        .result-card {
            background-color: var(--light-green);
            border-radius: 12px;
            padding: 20px;
            margin-top: 20px;
            border-left: 4px solid var(--green);
        }
        
        .unit-info {
            background-color: var(--light-blue);
            border-radius: 16px;
            padding: 25px;
            margin-top: 30px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .info-table th {
            background-color: var(--light-orange);
        }
        
        .info-table th, .info-table td {
            padding: 12px 15px;
        }
        
        .district-map {
            height: 300px;
            border-radius: 16px;
            overflow: hidden;
            background: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.1)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23e0e0e0"/><text x="50" y="50" font-family="Arial" font-size="10" fill="%23999999" text-anchor="middle" dominant-baseline="middle">Gopalganj District Map</text></svg>');
            background-size: cover;
            background-position: center;
            margin-top: 20px;
        }
        
        .seo-content {
            background-color: white;
            border-radius: 16px;
            padding: 25px;
            margin: 30px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .seo-content h2 {
            color: var(--navy);
            border-bottom: 2px solid var(--green);
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 2rem 1rem;
            }
            
            .hero-section h1 {
                font-size: 2rem;
            }
            
            .hero-section h2 {
                font-size: 1.5rem;
            }
        }