body {
            font-family: 'Poppins', sans-serif;
            background-color: #3d6bbb;
            color: #333;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        header {
            background-color: #240e60;
            padding: 16px 32px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.25);
        }

        .header-content {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
        }

        header h1 {
            color: #ffffff;
            font-size: 29px;
            font-weight: 1000;
        }

        nav {
            background-color: #ffffff;
            padding: 2px;
        }

        .container {
            max-width: 1000px;
            margin: 40px auto;
            padding: 0 20px;
            flex: 1;
        }

        .content {
            flex: 1;
            background: #ffffff;
            border-radius: 12px;
            padding: 36px 40px;
        }

        .content h2 {
            font-size: 30px;
            font-weight: 700;
            color: #000000;
            margin-bottom: 8px;
        }

        .content > p {
            color: #666;
            font-size: 15px;
            margin-bottom: 40px;
            line-height: 1;
        }

        .form-group {
            margin-bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 0.9rem;
            font-weight: 600;
            color: #444;
        }

        .form-group input {
            padding: 11px 14px;
            border: 1.5px solid #ddd;
            border-radius: 8px;
            font-family: 'Poppins', sans-serif;
            font-size: 15px;
            color: #333;
            outline: none;
        }

        .btn-submit {
            background-color: #240e60;
            color: #ffffff;
            border: none;
            padding: 10px 20px;
            font-family: 'Poppins', sans-serif;
            font-size: 15px;
            font-weight: 600;
            border-radius: 8px;
            margin-bottom: 39px;
            cursor: pointer;
        }

        .form-group div {
            margin-bottom: 5px;
        }

        .form-group div input[type="number"] {
            margin-left: 10px;
            width: 80px;
        }