.flightzone_article-content h2,
    .flightzone_article-content h3 {
        color: #212529;
        margin-top: 2.5rem;
        margin-bottom: 1.25rem;
        font-weight: 600;
    }

    .flightzone_article-content h2 {
        font-size: 2rem;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid #e9ecef;
    }

    .flightzone_article-content h3 {
        font-size: 1.5rem;
        color: #495057;
    }

    .flightzone_article-content p,
    .flightzone_article-content li {
        font-size: 1rem;
        margin-bottom: 1.25rem;
        color: #495057;
    }

    .flightzone_article-content ul,
    .flightzone_article-content ol {
        padding-left: 1.5rem;
    }

    .flightzone_article-content strong {
        color: #212529;
    }

    .flightzone_article-table {
        margin-top: 1.5rem;
        margin-bottom: 2rem;
        font-size: 0.95rem;
    }
    .flightzone_article-table th {
        background-color: #f8f9fa;
        font-weight: 600;
        vertical-align: middle;
    }
    .flightzone_article-table td {
        vertical-align: middle;
    }

    .flightzone_article-faq .accordion-button {
        font-weight: 600;
        font-size: 1.1rem;
    }
    .flightzone_article-faq .accordion-button:not(.collapsed) {
        background-color: #e7f1ff;
        color: #0d6efd;
    }
    .flightzone_article-faq .accordion-body {
        font-size: 0.95rem;
    }

    .flightzone_article-tip-box {
        background-color: #e9f5ff;
        border-left: 5px solid #0d6efd;
        padding: 1.5rem;
        margin: 2rem 0;
        border-radius: 0.25rem;
    }
    .flightzone_article-tip-box p:last-child {
        margin-bottom: 0;
    }

    .flightzone_article-warning-box {
        background-color: #fff3cd;
        border-left: 5px solid #ffc107;
        padding: 1.5rem;
        margin: 2rem 0;
        border-radius: 0.25rem;
    }
    .flightzone_article-warning-box p:last-child {
        margin-bottom: 0;
    }

    /* Calculator Styles */
    .flightzone_article-calculator-widget {
        background-color: #f0f4f8; /* Softer background */
        border: 1px solid #d1d9e6;
        padding: 1.5rem;
        margin: 2.5rem 0;
        border-radius: 0.5rem; /* Slightly more rounded */
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    .flightzone_article-calculator-widget h4 {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
        font-weight: 600;
        margin-bottom: 1.5rem; /* More space below title */
        color: #003366; /* Darker blue for title */
        text-align: center;
    }
    .flightzone_article-calculator-widget .form-label {
        font-weight: 500;
        margin-bottom: 0.3rem;
        font-size: 0.9rem;
        color: #334e68; /* Subtler label color */
    }
    .flightzone_article-calculator-widget .form-control,
    .flightzone_article-calculator-widget .form-select {
        font-size: 0.95rem;
        margin-bottom: 1rem; /* More space below inputs */
        border-color: #b0bec5; /* Softer border for inputs */
    }
    .flightzone_article-calculator-widget .btn-primary {
        font-size: 1rem;
        padding: 0.6rem 1.2rem;
        background-color: #0056b3; /* Standard Bootstrap primary */
        border-color: #004a99;
        width: 100%; /* Full width button */
    }
     .flightzone_article-calculator-widget .btn-primary:hover {
        background-color: #004a99;
        border-color: #003d80;
    }
    .flightzone_article-calculator-results {
        margin-top: 2rem; /* More space above results */
        padding: 1.5rem;
        background-color: #ffffff;
        border: 1px solid #d1d9e6;
        border-radius: 0.375rem;
    }
    .flightzone_article-calculator-results h5 {
        font-weight: 600;
        color: #003366;
        margin-bottom: 1rem;
    }
    .flightzone_article-calculator-results p {
        margin-bottom: 0.75rem;
        font-size: 0.95rem;
        line-height: 1.6;
    }
    .flightzone_article-calculator-results strong {
        color: #0056b3;
        font-weight: 600;
    }
    .flightzone_article-calculator-disclaimer {
        font-size: 0.85rem; /* Slightly larger disclaimer */
        color: #546e7a; /* Softer disclaimer color */
        margin-top: 1.5rem;
        text-align: center;
    }
    .flightzone_article-input-group h5 {
        font-size: 1.1rem;
        font-weight: 600;
        color: #004a99;
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid #b0bec5;
    }