* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', sans-serif;
        }

        body {
            background: #f2f5f7;
            color: #333;
        }

        header {
            background: linear-gradient(135deg, #766d0f, #89940d);
            color: #fff;
            padding: 40px 20px;
            text-align: center;
        }

        header h1 {
            font-size: 2.2rem;
        }

        .container {
            max-width: 600px;
            margin: 40px auto;
            padding: 25px;
            background: #fff;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        label {
            display: block;
            margin-top: 15px;
            font-weight: bold;
        }

        input, select {
            width: 100%;
            padding: 12px;
            margin-top: 5px;
            border-radius: 8px;
            border: 1px solid #ccc;
            font-size: 1rem;
        }

        button {
            margin-top: 25px;
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #6d760f, #89940d);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
        }

        button:hover {
            opacity: 0.9;
        }

        .result {
            margin-top: 30px;
            padding: 20px;
            background: #f0fdfa;
            border-left: 5px solid #8f940d;
            border-radius: 8px;
            display: none;
        }

        .price {
            font-size: 2rem;
            font-weight: bold;
            color: #0f766e;
            margin-top: 10px;
        }

        footer {
            text-align: center;
            margin: 30px 0;
            color: #777;
            font-size: 0.9rem;
        }