* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #fcfcfb 0%, #e3e3e1 100%);
  
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #2a4566 0%, #1a305c 100%);
            color: white;
            padding: 40px;
            text-align: center;
            position: relative;
            margin-top: 40px;
        }

        .header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .header p {
            font-size: 1.2em;
            opacity: 0.9;
        }

        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .close-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }

        .content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            padding: 40px;
        }

        .form-section {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #726a31;
            font-size: 1.1em;
        }

        select, input[type="number"] {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        select:focus, input[type="number"]:focus {
            outline: none;
            border-color: #1c2d58;
            box-shadow: 0 0 0 3px rgba(184, 151, 93, 0.1);
        }

        .radio-group {
            display: flex;
            gap: 20px;
            margin-top: 10px;
        }

        .radio-option {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .radio-option:hover {
            border-color: #1d2c66;
            background: rgba(184, 151, 93, 0.05);
        }

        .radio-option input[type="radio"]:checked + label {
            color: #1d2b68;
            font-weight: 600;
        }

        .radio-option input[type="radio"] {
            margin: 0;
        }

        .calculate-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #354391 0%, #1e2f71 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.2em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .calculate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(46, 204, 113, 0.3);
        }

        .results {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .results h2 {
            color: #89773e;
            margin-bottom: 25px;
            font-size: 1.8em;
            text-align: center;
        }

        .cost-summary {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 25px;
            border-left: 5px solid #1a2664;
        }

        .cost-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            padding: 8px 0;
            border-bottom: 1px solid #e0e0e0;
        }

        .cost-item:last-child {
            border-bottom: none;
            font-weight: 600;
            font-size: 1.2em;
            color: #27ae60;
        }

        .timeline {
            margin-top: 30px;
        }

        .timeline h3 {
            color: #17335e;
            margin-bottom: 20px;
            font-size: 1.4em;
        }

        .timeline-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            padding: 15px;
            background: rgba(184, 151, 93, 0.05);
            border-radius: 8px;
            border-left: 4px solid #935529;
        }

        .timeline-step {
            background: #b8975d;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-weight: 600;
        }

        .timeline-content {
            flex: 1;
        }

        .timeline-title {
            font-weight: 600;
            color: #b8975d;
            margin-bottom: 5px;
        }

        .timeline-duration {
            color: #7f8c8d;
            font-size: 0.9em;
        }

        .total-duration {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: white;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            font-size: 1.3em;
            font-weight: 600;
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .content {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px;
            }
            
            .header h1 {
                font-size: 2em;
            }
            
            .radio-group {
                flex-direction: column;
            }
        }